WO2018045729A1 - 蒸汽阀、壶盖及液体加热容器 - Google Patents

蒸汽阀、壶盖及液体加热容器 Download PDF

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Publication number
WO2018045729A1
WO2018045729A1 PCT/CN2017/075364 CN2017075364W WO2018045729A1 WO 2018045729 A1 WO2018045729 A1 WO 2018045729A1 CN 2017075364 W CN2017075364 W CN 2017075364W WO 2018045729 A1 WO2018045729 A1 WO 2018045729A1
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust pipe
pipe
lid
water
intake pipe
Prior art date
Application number
PCT/CN2017/075364
Other languages
English (en)
French (fr)
Inventor
何新华
马向阳
陈炜杰
李家勋
Original Assignee
广东美的生活电器制造有限公司
美的集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201621048427.XU external-priority patent/CN206560351U/zh
Priority claimed from CN201610815618.2A external-priority patent/CN107802185B/zh
Priority claimed from CN201621048490.3U external-priority patent/CN206333739U/zh
Priority claimed from CN201621048534.2U external-priority patent/CN206333770U/zh
Priority claimed from CN201621048465.5U external-priority patent/CN206560316U/zh
Application filed by 广东美的生活电器制造有限公司, 美的集团股份有限公司 filed Critical 广东美的生活电器制造有限公司
Priority to JP2017563224A priority Critical patent/JP6649965B2/ja
Priority to KR1020177032948A priority patent/KR101971565B1/ko
Publication of WO2018045729A1 publication Critical patent/WO2018045729A1/zh

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/21Water-boiling vessels, e.g. kettles
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/21Water-boiling vessels, e.g. kettles
    • A47J27/21166Constructional details or accessories
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/21Water-boiling vessels, e.g. kettles
    • A47J27/21166Constructional details or accessories
    • A47J27/21175Covers
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00Parts, details or accessories of cooking-vessels
    • A47J36/38Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S220/00Receptacles
    • Y10S220/912Cookware, i.e. pots and pans

Definitions

  • the invention relates to the technical field of liquid heating containers, in particular to a steam valve, a kettle lid and a liquid heating container.
  • the liquid heating container comprises a lid and a body of the kettle.
  • a sealed assembly between the lid and the body prevents the hot water in the pot from overflowing and scalding the person after the liquid heating container is accidentally poured.
  • a steam valve is disposed in the lid for discharging the liquid heating container when the water is boiled.
  • the existing steam valves are sealed by a sealing hammer, that is, a sealing weight is added to the exhaust pipe of the steam valve, and when the liquid heating container is dumped, the sealing weight is moved to The exhaust port seals the exhaust port to prevent water from escaping in the body.
  • the sealing weight is often caused by poor sealing or improper sealing, which often leads to water leakage.
  • the present invention provides a steam valve including an exhaust pipe, an intake pipe, and a counterweight, wherein the exhaust pipe has one end open and the other end is closed, and the exhaust pipe is provided with a supply port.
  • a freely rotating portion of the exhaust pipe about its axial direction; an intake pipe communicating with the exhaust pipe and extending laterally along the exhaust pipe; a weight member connecting the exhaust pipe and along The exhaust pipe extends laterally; the angle between the weight member and the intake pipe in the circumferential direction of the exhaust pipe is greater than 90° and less than or equal to 180°, and the weight member surrounds the free rotating portion
  • the weight of the rotating moment is greater than the weight of the intake tube about the freely rotating portion.
  • the intake pipe is arranged in a flat shape.
  • the length of the intake pipe is between 3 cm and 5 cm.
  • the intake pipe is integrally formed with the exhaust pipe.
  • the intake pipe extends outward in the radial direction of the exhaust pipe and is on the same plane of rotation as the weight member.
  • an angle ⁇ between the weight member and the intake pipe in the circumferential direction of the exhaust pipe is 170° or more and 180° or less.
  • the side wall of the exhaust pipe is provided with a boss, and the weight member is detachably mounted on the boss.
  • an outer surface of the exhaust pipe is provided with a water seal structure
  • the water seal structure includes at least a first water retaining ring disposed on an outer side wall of the exhaust pipe and/or disposed at the exhaust pipe opening The second water retaining ring of the end face.
  • the first water blocking ring is plural and arranged one by one along the axial direction of the exhaust pipe.
  • the second water blocking ring has a plurality of and is distributed along a radial direction of the exhaust pipe.
  • the length of the intake pipe is L0 ⁇ [20 mm, 60 mm].
  • the intake pipe is arranged in a flat shape.
  • the cross section of the intake pipe is arranged in an ellipse.
  • a wear layer is disposed on the open end of the exhaust pipe and/or the freely rotating portion.
  • the present invention also provides a kettle cover, comprising a cover body, upper and lower cover plates at upper and lower ends of the cover body, and a steam valve;
  • the steam valve includes an exhaust pipe, an intake pipe and a counterweight, wherein One end of the exhaust pipe is closed at one end, and the exhaust pipe is provided with a free rotating portion for rotating the exhaust pipe about its axial direction; an intake pipe communicating with the exhaust pipe and along the row a lateral extension of the air pipe; a weight member connecting the exhaust pipe and extending laterally along the exhaust pipe; an angle between the weight member and the intake pipe in the circumferential direction of the exhaust pipe More than 90° is less than or equal to 180°, and a weight moment of the weight member rotating around the free rotating portion is greater than a weight moment of the intake pipe rotating around the free rotating portion;
  • the cover body is provided with one end and a seat
  • a steam passage communicating with the open end of the exhaust pipe and communicating with the outside at the other end is provided with a rotating mounting portion for mounting the freely rotating portion.
  • the intake pipe is arranged in a flat shape.
  • the length of the intake pipe is between 3 cm and 5 cm.
  • the intake pipe is integrally formed with the exhaust pipe.
  • the intake pipe extends outward in the radial direction of the exhaust pipe and is on the same plane of rotation as the weight member.
  • an angle ⁇ between the weight member and the intake pipe in the circumferential direction of the exhaust pipe is 170° or more and 180° or less.
  • the side wall of the exhaust pipe is provided with a boss, and the weight member is detachably mounted on the boss.
  • the exhaust pipe is a plastic piece
  • the weight member is a metal piece
  • the weight member is fixed on the exhaust pipe by overmolding.
  • the weight member has a fan shape, and the center end of the weight is connected to the exhaust pipe.
  • the cover body is provided with a accommodating groove for accommodating the steam valve, and the accommodating groove has a cylindrical shape with one end closed to the other end, and an open end surface of the exhaust pipe abuts at the capacity
  • the closed end end surface of the groove is provided, and the closed end end surface of the accommodating groove is provided with a vent hole communicating with the exhaust pipe and the steam passage.
  • the end surface of the closed end of the accommodating groove is provided with at least one water sump
  • the end surface of the open end of the exhaust pipe is provided with at least one first water retaining ring embedded in the water sump.
  • the side of the exhaust pipe is provided with at least one second water retaining ring extending toward the inner side wall of the accommodating groove.
  • the exhaust pipe is provided with a sealing weight, and the sealing weight is from the closed end of the exhaust pipe toward the open end of the exhaust pipe when the exhaust pipe is inclined at an angle greater than 90 degrees. Moving to seal the vent hole of the closed end of the accommodating groove.
  • the air guiding mechanism is a plurality of ribs extending along the axial direction of the exhaust pipe and distributed along the circumferential direction of the exhaust pipe, and the air guiding channels are formed between adjacent ribs.
  • the sealing weight is arranged in a column shape or a sphere shape.
  • the freely rotating portion is a rotating shaft disposed at an end surface of the closed end of the exhaust pipe
  • the rotating mounting portion is a shaft hole disposed in the lower cover, and the rotating shaft is inserted into the shaft hole
  • the steam valve is rotatably mounted to the lower cover.
  • the exhaust pipe is provided with a sleeve extending from the closed end surface thereof, and the sleeve is disposed around the elastic member.
  • the cover body further comprises a water outlet valve, a second accommodating groove for accommodating the water outlet valve, and a water outlet passage connecting the water outlet valve and the outer portion, and the steam passage is in communication with the water outlet passage.
  • the freely rotating portion is a shaft hole disposed at a closed end of the exhaust pipe
  • the rotating mounting portion is a rotating shaft disposed on the lower cover plate and embedded in the shaft hole; or the free rotating portion is disposed at a bearing at an open end of the exhaust pipe, wherein the rotating mounting portion is a bearing hole provided on the cover body to mount the bearing.
  • an outer surface of the exhaust pipe is provided with a water seal structure
  • the water seal structure includes at least a first water retaining ring disposed on an outer side wall of the exhaust pipe and/or disposed at the exhaust pipe opening The second water retaining ring of the end face.
  • the first water blocking ring is plural and arranged one by one along the axial direction of the exhaust pipe.
  • the second water blocking ring has a plurality of and is distributed along a radial direction of the exhaust pipe.
  • the cover body is provided with a accommodating groove for accommodating the steam valve, and the accommodating groove has a cylindrical shape with one end closed to the other end, and an open end surface of the exhaust pipe abuts at the capacity
  • the closed end end surface of the groove is provided, and the closed end end surface of the accommodating groove is provided with a vent hole communicating with the exhaust pipe and the steam passage.
  • the sum of the volumes forming the sealed space between the water sealing mechanism and the inner wall of the accommodating groove is V0, and the total volume between the exhaust pipe and the inner wall of the accommodating groove is V1, V0/ V1 ⁇ [0.5,0.95].
  • the end surface of the closed end of the accommodating groove is provided with at least one water sump, and the second water retaining ring is embedded in the water sump.
  • a sealing weight is disposed in the exhaust pipe, and the sealing weight is from a closed end of the exhaust pipe toward an open end of the exhaust pipe when the exhaust pipe is inclined to a preset angle Moving to seal the vent hole of the closed end of the accommodating groove.
  • an elastic member is disposed between the lower cover and the end surface of the closed end of the exhaust pipe, and the elastic member is disposed around the first rotating shaft.
  • the cover body further comprises a water outlet valve, a second accommodating groove for accommodating the water outlet valve, and a water outlet passage connecting the water outlet valve and the outer portion, and the steam passage is in communication with the water outlet passage.
  • the intake pipe has a cross-sectional area S ⁇ [20 mm 2 , 120 mm 2 ].
  • the length of the intake pipe is L0 ⁇ [20 mm, 60 mm].
  • the cross section of the intake pipe is arranged in an ellipse.
  • a wear layer is disposed on the open end of the exhaust pipe and/or the freely rotating portion.
  • the cover body is provided with a accommodating groove for accommodating the steam valve, and the accommodating groove has a cylindrical shape with one end closed to the other end, and an open end surface of the exhaust pipe abuts at the capacity
  • the closed end end surface of the groove is provided, and the closed end end surface of the accommodating groove is provided with a vent hole communicating with the exhaust pipe and the steam passage.
  • the length L0 of the intake pipe, the radius of the lower cover plate is R, L0 / R ⁇ [0.6, 0.9].
  • the rotating mounting portion is provided with a wear layer.
  • a weight moment of the weight member rotating around the freely rotating portion is greater than a weight moment of the intake pipe rotating around the free rotating portion and a friction between the exhaust pipe and the cover body when the exhaust pipe is rotated The sum of the moments.
  • the weight m1 of the weight member is greater than or equal to 10 g and less than or equal to 50 g.
  • the mass m2 of the intake pipe is greater than or equal to 5 g and less than or equal to 20 g.
  • the weight of the weight member is G1
  • the weight of the air inlet tube is G2, G1/G2 ⁇ [0.5, 12].
  • a distance between a center of gravity of the weight member and an axis of the exhaust pipe is L1
  • a distance between a center of gravity of the intake pipe and an axis of the exhaust pipe is L2, L1/L2 ⁇ [2,20].
  • the cover body has an upper cover, a lower cover and a bracket, and the bracket is located between the upper cover and the lower cover, and is provided with a receiving groove for receiving the steam valve, the capacity
  • the groove has a cylindrical shape with one end closed at the other end, and the open end end surface of the exhaust pipe abuts the closed end end surface of the accommodating groove, and the closed end end surface of the accommodating groove is provided with the exhaust gas. a tube and a venting opening of the steam passage.
  • an elastic member is disposed between the lower cover and the end surface of the closed end of the exhaust pipe.
  • the elastic member is a spring
  • the inner diameter of the spring is D ⁇ [10 mm, 20 mm]
  • the exhaust pipe is provided with a sleeve extending from the closed end surface thereof, and the sleeve is disposed around the elastic member.
  • the bracket is further provided with a water outlet valve, a second accommodating groove for accommodating the water outlet valve, and a water outlet passage connecting the water outlet valve and the outer portion, and the steam passage is in communication with the water outlet passage.
  • the present invention also provides a liquid heating container comprising a body and a lid, the lid comprising a lid body, upper and lower lids at upper and lower ends of the lid body, and a steam valve;
  • the steam valve including the row a gas pipe, an intake pipe and a counterweight, wherein the exhaust pipe has one end open and the other end is closed, and the exhaust pipe is provided with a free rotating portion for the exhaust pipe to rotate around the axial direction thereof;
  • the intake pipe, and The exhaust pipe is in communication and extends along a lateral direction of the exhaust pipe; a weight member connecting the exhaust pipe and extending laterally along the exhaust pipe; the weight member and the The angle ⁇ of the intake pipe in the circumferential direction of the exhaust pipe is greater than 90° and less than or equal to 180°, and the weight moment of the weight member rotating around the free rotating portion is greater than the weight of the intake pipe rotating around the free rotating portion a torque;
  • the cover body is provided with a steam passage having one end communicating with the open end of the exhaust pipe and the
  • a sealing ring is disposed between the lower cover and the cover body, and the cover is sealingly connected to the inner wall of the body through the sealing ring.
  • the lid and the body of the kettle are connected by a snap structure, and the buckle structure comprises a hook that is retractable on the lid and a slot that is disposed on the inner wall of the body.
  • the steam valve is freely rotated under the belt action of the weight member by providing the weight member and the free active portion in the exhaust pipe, and when the overflow prevention liquid heating container is dumped, the weight member is rotated downward.
  • the air intake pipe is moved upward, thereby raising the position of the intake pipe, reducing the probability that the water in the liquid heating container enters the exhaust hole, and improving the anti-overflow effect of the liquid heating container.
  • FIG. 1 is a schematic structural view of an embodiment of an anti-overflow kettle according to the present invention.
  • Figure 2 is a cross-sectional view of the lid of Figure 1;
  • FIG. 3 is a schematic view showing the internal structure of the lid of Figure 1, wherein the lower cover of the lid is removed;
  • FIG. 4a is a schematic structural view of an embodiment of the steam valve of the present invention in FIG. 3;
  • Figure 4b is a schematic structural view of another embodiment of the steam valve of the present invention.
  • Figure 5a is a schematic structural view of another view of Figure 4a;
  • Figure 5b is a schematic structural view of another view of Figure 4b;
  • Figure 6a is a cross-sectional view of the steam valve of Figure 4a;
  • Figure 6b is a cross-sectional view of the steam valve of Figure 4b;
  • Figure 7 is a cross-sectional view showing another embodiment of the steam valve of the present invention assembled to the lid;
  • Figure 8a is a cross-sectional view showing the positional structure of the water and the lid after the lid of Figure 1 is poured 180°, wherein the steam valve used is the steam valve of Figure 4a;
  • Figure 8b is a cross-sectional view showing the positional structure of the water and the lid after the lid of Figure 1 is poured 180°, wherein the steam valve used is the steam valve of Figure 4b.
  • the directional indication is only used to explain in a certain posture (as shown in the drawing)
  • the relative positional relationship between the components, the motion situation, and the like if the specific posture changes, the directional indication also changes accordingly.
  • first”, “second”, etc. in the embodiments of the present invention, the description of the "first”, “second”, etc. is used for the purpose of description only, and is not to be construed as an Its relative importance or implicit indication of the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. It is also within the scope of protection required by the present invention.
  • the present invention provides a steam valve, a pot cover to which the steam valve is mounted, and a liquid heating vessel having the lid.
  • the liquid heating container 10 includes a lid 10a, a body 10b, and a power supply base 10c, wherein the lid 10a has a lid body 10', and an upper cover 11 attached to the upper end of the lid body 10' and The lower cover 12 is mounted to the lower end of the cover body 10'.
  • the liquid heating vessel is exemplified by a kettle in the following.
  • the cover body 10' has a bracket 13 having a receiving slot 130 for mounting a steam valve 15, the receiving slot 130 is open at one end, and the other end is closed in a cylindrical shape, and the closed end of the receiving slot 130 is provided with a The vent hole 131 through which the steam valve 15 communicates.
  • a button 16 is disposed on the lid 10a.
  • the lid body 10' is provided with a lever 17, a water outlet valve 18, and a second receiving groove 100 for receiving the water outlet valve 18.
  • the button 16 is connected to one end of the lever 17, and the other end of the lever 17 It is used to drive the outlet valve 18 to open (the closing of the outlet valve 18 is completed by a compression spring and a baffle mounted at its upper end).
  • the cover body 10' is further provided with a steam passage 14 and a water outlet passage communicating with the steam passage 14, one end of which communicates with the outside to maintain the air pressure in the body.
  • One end of the water outlet channel is a spout, and the other end is in communication with the second accommodating groove 100.
  • the overflow prevention kettle 10 When the overflow prevention kettle 10 is boiled, the water in the body 10b evaporates, and the water vapor enters the steam valve 15 from the through hole opened in the lower cover 12, and then enters the steam passage 14 through the vent hole 131, and finally the water vapor
  • the operating member (not shown) is pressed against the body 10b so that the operating member presses the button 16 and the water outlet valve 18 is opened by the lever 17, and the body 10b is The water enters the second accommodating groove 100 and flows out of the spout 141.
  • the steam valve 15 includes an exhaust pipe 151, a weight member 152, and an intake pipe 153.
  • the exhaust pipe 151 has one end opening and the other end is closed, and the exhaust pipe 151 is provided with a free rotating portion for rotating the exhaust pipe 151 in the axial direction thereof.
  • the intake pipe 153 is connected to the exhaust pipe 151, communicates with the exhaust pipe 151, and extends in the lateral direction of the exhaust pipe 151.
  • the weight member 152 is connected to the exhaust pipe 151 and extends laterally along the exhaust pipe 151.
  • the angle ⁇ between the weight member 152 and the intake pipe 153 in the circumferential direction of the exhaust pipe 151 is greater than 90° and less than or equal to 180°, and the weight moment of the weight member 152 rotating around the freely rotating portion is greater than that of the intake pipe 153.
  • the exhaust pipe 151 includes a pipe body and an end plate, the upper end of which is open, and the lower end is sealed by the end plate.
  • the weight member 152 may be installed on the side wall of the exhaust pipe 151 or may be installed at the lower end of the exhaust pipe 151; similarly, the intake pipe 153 may be installed on the side wall of the exhaust pipe 151 or may be installed in the exhaust pipe 151. The lower end.
  • mounting both the intake pipe 153 and the weight member 152 on the side wall of the exhaust pipe 151 is a preferred embodiment. The following description will be made by taking an example in which the intake pipe 153 and the weight member 152 are both attached to the side wall of the exhaust pipe 151.
  • An air outlet 1510 is defined in a sidewall of the pipe body, and an air inlet pipe 153 is installed at the air outlet 1510, and the air inlet pipe 153 communicates with the pipe body through the air outlet 1510.
  • the weight member 152 is disposed on the side wall of the exhaust pipe 151, and the weight member 152 may be fixedly coupled to the exhaust pipe 151, such as welding, the weight member 152 is integrally formed with the exhaust pipe 151; and the weight member 152 It may also be detachably connected to the exhaust pipe 151, for example, the weight member 152 and the exhaust pipe 151 are connected by a screw.
  • the weight 152 is disposed at an angle to the intake pipe 153 at the circumferential direction of the exhaust pipe 151.
  • the weight member 152 is of a large mass, and is generally made of a metal member such as a material having a relatively high density such as stainless steel or copper.
  • the exhaust pipe 151 and the intake pipe 153 may be made of plastic or metal.
  • the freely rotating portion is a rotary mounting portion that is mounted in the lid 10a.
  • the freely rotating portion may be part of the tubular body, such as the upper end portion, the middle portion or the lower end portion of the tubular body, the rotating mounting portion is a set of rings, and the tubular body is disposed in the collar; the freely rotating portion may also be disposed in the sleeve
  • the exhaust pipe 151 is a shaft hole of the closed end, and the rotating mounting portion is a rotating shaft disposed on the lower cover 12 and embedded in the shaft hole; the free rotating portion may also be a bearing sleeved on the side wall of the exhaust pipe 151, and the rotating mounting portion It is a bearing hole disposed in the accommodating groove 130, and the bearing is fixed in the bearing hole.
  • the freely rotating portion may be a rotating shaft 154 provided on a lower end surface of the exhaust pipe 151.
  • the rotating shaft 154 is disposed coaxially with the exhaust pipe 151, and the rotating mounting portion is a shaft hole provided in the lower
  • the lid 10a When the liquid heating container 10 is turned down, the lid 10a is inverted by 90° with respect to the normal state, and since the weight moment of the weight member 152 is greater than the weight moment of the intake pipe 153, the weight member 152 is freely rotated by the weight member 152. The portion rotates relative to the rotating mounting portion, the final weight member 152 is at the lowest level of the liquid surface, the position of the intake pipe 153 is raised, and the water in the liquid heating container 10 is less likely to enter the intake pipe 153.
  • the weight moment M1 of the weight member 152 is G1 ⁇ L1
  • the weight moment M2 of the intake pipe 153 is G2 ⁇ L2.
  • G1 is the weight of the weight member 152
  • L1 is the vertical distance between the center of gravity of the weight member 152 and the axis of the exhaust pipe 151
  • G2 is the weight of the intake pipe 153
  • L2 is the center of gravity of the intake pipe 153 and the exhaust pipe
  • the angle between the weight member 152 and the intake pipe 153 in the circumferential direction of the exhaust pipe 151 is ⁇ , where 90° ⁇ ⁇ ⁇ 180°, because if 0° ⁇ ⁇ ⁇ 90°, then if the water level in the kettle 10 is higher than the steam gas valve 15 after the kettle 10 is dumped, the water can enter the exhaust pipe 151 along the intake pipe 153, so when 90° ⁇ ⁇ ⁇ 180°, even if the water level in the kettle 10 is difficult to flood the intake pipe 153 after the kettle 10 is dumped, the end of the intake pipe 153 can extend above the water level, so that the water flow does not easily enter the intake pipe 153. In the exhaust pipe 151, the overflow prevention effect is good.
  • the technical solution of the present invention allows the steam valve 15 to freely rotate under the belt action of the weight member 152 by providing the weight member 152 and the freely rotating portion in the exhaust pipe 151.
  • the weight member When the overflow prevention liquid heating container 10 is dumped, the weight member When the 152 is rotated downward, the intake pipe 153 is moved upward, thereby raising the position of the intake pipe 153, slowing the probability that the water in the liquid heating vessel 10 enters the exhaust port 1510, and improving the overflow prevention of the liquid heating container 10. effect.
  • the angle between the weight member 152 and the intake pipe 153 in the circumferential direction of the exhaust pipe 151 is a wide range of ⁇ , 90° ⁇ ⁇ ⁇ 180°, here if ⁇ If it is too small, then when the liquid heating vessel 10 is dumped, the water level in the liquid heating vessel 10 may be higher than the end of the intake pipe 153, and thus may enter the exhaust pipe 151 from the end of the intake pipe 153, so in the above embodiment
  • the outlet valve 18 has an anti-overflow effect.
  • the angle between the extending direction of the weight member 152 and the extending direction of the intake pipe 153 is ⁇ , wherein 170° ⁇ ⁇ ⁇ 180°.
  • 180°, that is, the weight member 152 and the intake pipe 153 are respectively disposed on opposite sides of the exhaust pipe 151.
  • the water in the body 10b will quickly enter the lid 10a, and then enter the exhaust pipe 151 by the intake pipe 153. If the steam valve 15 rotates too slowly, the exhaust pipe 153 has not yet been waited. When turned to the highest position, the water flow enters the exhaust pipe 153 (even if there is a difference of 0.1 seconds, more water flows into the exhaust pipe), which causes the kettle cover 10 to overflow.
  • the intake pipe 153 may be a circular pipe, which may be a square pipe, or may be a pipe body of other shapes. Obviously, the above-mentioned several types of pipe bodies are in the rotation direction. The area of contact with air is large, and the air resistance is also large. In the present embodiment, the intake pipe 153 is provided in a flat shape. Thus, when the kettle 10 is dumped, the intake pipe 153 can be rotated to the highest position at the fastest speed, thereby preventing water from entering the intake pipe 153.
  • the length of the intake pipe 153 should also be limited. If the intake pipe 153 is too long, the intake pipe 153 is liable to interfere with other structures, thereby causing the steam valve 15 to rotate in an inconvenient overall. If the intake pipe 153 is too short, the end of the intake pipe 153 may be flooded by water after the liquid heating vessel 10 is dumped. In the present embodiment, the length of the intake pipe 153 is between 3 cm and 5 cm, which is a preferred embodiment.
  • the intake pipe 153 and the exhaust pipe 151 can be integrally formed, so that the joint between the two is better in sealing performance, and it is less likely to leak or leak.
  • Both the intake pipe 153 and the weight member 152 may be installed at any position on the side wall of the exhaust pipe 151, and they may have a height difference in the up and down direction, and both may be on the same rotation plane. In an embodiment it is preferred that both are in the same plane of rotation. This is because if the two are in different planes of rotation, here the counterweight 152 is placed upside down, and the intake duct 153 is placed down as an example.
  • the exhaust pipe 151 is required to transmit the heavy torque of the weight member 152 to the intake pipe 153.
  • the exhaust pipe 151 may generate resistance to the rotation of the weight member 152, thereby The intake pipe 153 is rotated to an optimum positional delay. When the two are in the same plane of rotation, the exhaust pipe 151 generates less resistance, and the intake pipe 153 can be quickly rotated to the highest position.
  • the weight member 152 is disposed on the side wall of the exhaust pipe 151, and the weight member 152 may be fixedly coupled to the exhaust pipe 151, such as welding, the weight member 152 is integrally formed with the exhaust pipe 151; and the weight member 152 It may also be detachably connected to the exhaust pipe 151; the exhaust pipe 151 is a plastic member, and the weight member 152 is a metal member, and the weight member 152 is fixed to the exhaust pipe 151 by overmolding.
  • the attachment of the weight member 152 to the exhaust pipe 151 is preferably detachably coupled for ease of installation, removal or replacement of the weight member 152.
  • the side wall of the exhaust pipe 151 is provided with a boss 1512, and the weight member (152) is mounted on the boss 1512.
  • a boss 1512 is provided on the side wall of the exhaust pipe 151, and the exhaust pipe 151 is protected by the connection of the boss 1512 to the exhaust pipe 151. If the weight member 152 is directly mounted on the side wall of the exhaust pipe 151, The installation of the weight 152 may cause the exhaust pipe 151 to leak or deform.
  • the weight member 152 has a fan shape with its center end connected to the exhaust pipe 151. This is because, on the one hand, the fan-shaped weight member 152 is more convenient to process and lower in cost; on the other hand, the fan-shaped weight member 152 has less resistance when rotating, and the rotation speed is faster, and the intake pipe 153 can be quickly raise.
  • the kettle 10 is dumped.
  • the kettle 10 is tilted by 90° and the second is that the kettle 10 is tilted at an angle greater than 90°, for example 180°.
  • the temperature is 90°
  • the pressure of the water flow around the exhaust pipe 151 is small, and it is difficult for the water flow to penetrate into the air flow passage 14 in a short time.
  • the position pressure around the exhaust pipe 151 is large, and the water flow may permeate through the end face of the open end of the exhaust pipe 151 in a short time and enter the steam passage 14 through the exhaust hole 131, resulting in Water leakage accident.
  • the end surface of the closed end of the receiving groove 130 is provided with at least one water tank 1310, and the end surface of the open end of the exhaust pipe 151 is provided with at least one embedded in the water tank 1310.
  • the first water retaining ring 154 is such that the first water retaining ring 154 is inserted into the water retaining groove 1310 so as to effectively block the flow of water into the air flow passage 14. The anti-overflow effect of the steam valve 15 is improved.
  • the water flow may seep through the outer wall of the exhaust pipe 151 and enter the air flow passage 14, thereby causing water leakage.
  • the side of the exhaust pipe 151 is provided with at least one second water retaining ring 155 extending toward the inner side wall of the receiving groove 130.
  • the exhaust pipe 151 since the exhaust pipe 151 is rotatable, the exhaust pipe 151 does not interfere with the inner wall of the accommodating groove 130. Therefore, a gap should be reserved between the exhaust pipe 151 and the accommodating groove 130, and the water flow can enter the air flow passage 14 through the gap.
  • the second water retaining ring 155 After the second water retaining ring 155 is disposed, the second water retaining ring 155 generates water flow.
  • the resistance can slow the rate at which water flows into the airflow passage 14, thereby helping the user to lift the kettle 10 to win time.
  • two, three or more second water retaining rings 155 may be added.
  • a seal weight 156 is disposed in the exhaust pipe 151, and the seal weight 156 is in the exhaust pipe 151.
  • the inner wall of the exhaust pipe 151 is provided with a gas guiding mechanism, and the air guiding mechanism forms a gas guiding passage between the sealing weight 156 and the inner wall of the exhaust pipe 151.
  • the air guiding mechanism may be a protrusion provided on the inner wall of the exhaust pipe 151, such as a circular protrusion or rib 1511, or may be a flow guiding groove provided on the inner wall of the exhaust pipe.
  • the air guiding mechanism is preferably a plurality of ribs 1511 extending along the axial direction of the exhaust pipe and distributed along the circumferential direction of the exhaust pipe, and the air guiding passage is formed between adjacent ribs 1511. .
  • the sealing weight 156 may have various shapes as long as the vent hole 131 can be blocked when the kettle is poured.
  • the seal weight is 156, which is arranged in a columnar shape or a spherical shape.
  • the movement resistance of the seal weight 156 in the exhaust pipe 151 is small and the movement is smoother.
  • an elastic member is disposed between the lower cover 12 and the end face of the closed end of the exhaust pipe 151.
  • the elastic member 159 is disposed around a rotating shaft 157 disposed at a lower end surface of the exhaust pipe 151.
  • the elastic member 159 can quickly lift the exhaust pipe 151 to seal the upper end of the exhaust pipe 151 from the periphery of the exhaust hole 131, thereby improving the overflow prevention effect of the steam valve 15.
  • the elastic member 159 may be a spring, a rubber pad, or a spring piece.
  • the elastic member 159 is preferably a spring.
  • the elastic function of the elastic member 159 may be weakened or disabled.
  • the exhaust pipe 151 is provided with a sleeve 158 extending from an end surface of the closed end thereof, and the sleeve 158 is disposed around the elastic member 159.
  • the elastic member 159 is less likely to undergo permanent deformation under the support of the sleeve 158.
  • the lid 10a is attached to the body 10b, and the upper end of the body 10b is open, and the lid 10a seals the open end of the body 10b.
  • a sealing ring 19 is provided between the lower cover 12 and the body 10b, and the lid 10a is sealingly connected to the inner wall of the body 10b by a sealing ring 19.
  • the lid 10a and the body 10b are connected by a snap structure comprising a hook which is retractable on the lid 10a and is disposed on the inner wall of the body 10b.
  • the card slot on the top is
  • the buckle When the lid 10a is mounted on the body 10b, the buckle is deformed by being pressed, and when the hook is inserted into the slot, the buckle is restored and deformed, thereby cooperating with the slot, thereby limiting the lid 10a to the body 10b. .
  • the frictional force received when the exhaust pipe 151 is rotated is not considered. Therefore, an embodiment in which the exhaust pipe 151 is subjected to the frictional force when the steam valve 15 is rotated is described in the following.
  • the steam valve 15 includes an exhaust pipe 151, a weight member 152, and an intake pipe 153.
  • the exhaust pipe 151 has one end opening and the other end is closed, and the exhaust pipe 151 is provided with a free rotating portion for rotating the exhaust pipe 151 in the axial direction thereof.
  • the intake pipe 153 is connected to the exhaust pipe 151, communicates with the exhaust pipe 151, and extends in the lateral direction of the exhaust pipe 151.
  • the weight member 152 is connected to the exhaust pipe 151 and extends laterally along the exhaust pipe 151.
  • the angle ⁇ between the weight member 152 and the intake pipe 153 in the circumferential direction of the exhaust pipe 151 is greater than 90° and less than or equal to 180°.
  • the weight torque of the weight member 152 about the free rotation portion is greater than the free rotation portion of the intake pipe 153. The sum of the heavy moment of rotation and the frictional moment when the exhaust pipe 151 is rotated.
  • the exhaust pipe 151 includes a pipe body and an end plate, the upper end of which is open, and the lower end is sealed by the end plate.
  • the weight member 152 may be installed on the side wall of the exhaust pipe 151 or may be installed at the lower end of the exhaust pipe 151; similarly, the intake pipe 153 may be installed on the side wall of the exhaust pipe 151 or may be installed in the exhaust pipe 151. The lower end.
  • mounting both the intake pipe 153 and the weight member 152 on the side wall of the exhaust pipe 151 is a preferred embodiment. The following description will be made by taking an example in which the intake pipe 153 and the weight member 152 are both attached to the side wall of the exhaust pipe 151.
  • An air outlet 1510 is defined in a sidewall of the pipe body, and an air inlet pipe 153 is installed at the air outlet 1510, and the air inlet pipe 153 communicates with the pipe body through the air outlet 1510.
  • the weight member 152 is disposed on the side wall of the exhaust pipe 151, and the weight member 152 may be fixedly coupled to the exhaust pipe 151, such as welding, the weight member 152 is integrally formed with the exhaust pipe 151; and the weight member 152 It may also be detachably connected to the exhaust pipe 151, for example, the weight member 152 and the exhaust pipe 151 are connected by a screw.
  • the weight 152 is disposed at an angle to the intake pipe 153 at the circumferential direction of the exhaust pipe 151.
  • the weight member 152 is of a large mass, and is generally made of a metal member such as a material having a relatively high density such as stainless steel or copper.
  • the exhaust pipe 151 and the intake pipe 153 may be made of plastic or metal, but a stainless steel material such as SUS304 is preferable in view of food hygiene, temperature resistance, steam resistance, space occupation, and the like.
  • the freely rotating portion is a rotary mounting portion that is mounted in the lid 10a.
  • the freely rotating portion may be part of the tubular body, such as the upper end portion, the middle portion or the lower end portion of the tubular body, the rotating mounting portion is a set of rings, and the tubular body is disposed in the collar; the freely rotating portion may also be disposed in the exhausting portion
  • the first rotating shaft 157 of the lower end surface of the tube 151 is disposed coaxially with the exhaust pipe 151, and the rotating mounting portion is a first shaft hole provided in the lower cover 12.
  • the freely rotating portion may also be a second shaft hole (blind hole) disposed at the closed end of the exhaust pipe 151, and the rotating mounting portion is a second rotating shaft disposed on the lower cover 12 and embedded in the shaft hole; the free rotating portion may also be sleeved in the row
  • the bearing on the side wall of the air tube 151 is a bearing hole disposed in the receiving groove 130, and the bearing is fixed in the bearing hole.
  • the lid 10a When the liquid heating container 10 is turned down, the lid 10a is inverted by 90° with respect to the normal state, and since the weight moment of the weight member 152 is greater than the weight moment of the intake pipe 153, the weight member 152 is freely rotated by the weight member 152. The portion rotates relative to the rotating mounting portion, the final weight member 152 is at the lowest level of the liquid surface, the position of the intake pipe 153 is raised, and the water in the liquid heating container 10 is less likely to enter the intake pipe 153.
  • the weight moment M1 of the weight member 152 is G1 ⁇ L1
  • the friction torque M3 at the time of the rotation of the exhaust pipe 151 is f ⁇ d1.
  • G1 is the weight of the weight member 152
  • L1 is the vertical distance between the center of gravity of the weight member 152 and the axis of the exhaust pipe 151
  • G2 is the weight of the intake pipe 153
  • L2 is the center of gravity of the intake pipe 153 and the exhaust pipe
  • the vertical distance of the axis of 151, f is the friction force received when the exhaust pipe rotates (for example, the friction between the exhaust pipe 151 and the inner wall of the accommodating groove 130, or the friction between the free rotating portion and the rotating mounting portion) Force)
  • d1 is the radius of the exhaust pipe.
  • the angle between the weight member 152 and the intake pipe 153 in the circumferential direction of the exhaust pipe 151 is ⁇ , where 90° ⁇ ⁇ ⁇ 180°, because if 0° ⁇ ⁇ ⁇ 90°, then if the water level in the kettle 10 is higher than the steam gas valve 15 after the kettle 10 is dumped, the water can enter the exhaust pipe 151 along the intake pipe 153, so when 90° ⁇ ⁇ ⁇ 180°, even if the water level in the kettle 10 is difficult to flood the intake pipe 153 after the kettle 10 is dumped, the end of the intake pipe 153 can extend above the water level, so that the water flow does not easily enter the intake pipe 153. In the exhaust pipe 151, the overflow prevention effect is good.
  • the mass of the weight member 152 cannot be excessively large, otherwise the volume occupied inside the lid 10 is large and easily interferes with other structures; the mass of the weight member 152 cannot be too small, otherwise, When the kettle 10 is dumped, the steam valve 15 rotates slowly, and the overflow prevention effect is general. Therefore, in view of the above, in the present embodiment, the mass m1 of the weight member 152 is greater than or equal to 10 g and less than or equal to 50 g. . In this way, it is possible to ensure that the space occupation rate of the weight member 152 is low, and at the same time, the response speed of the rotation of the steam valve 152 is faster. In addition, the mass of the intake pipe 153 is also required, and the mass m2 is 5 g or more and 20 g or less.
  • the weight of the weight member 152 is G1
  • the weight of the intake pipe 153 is G2, G1/G2 ⁇ [0.5, 12].
  • the diameter of the lid is small, generally within 10 cm to 15 cm, if the ratio of G1 to G2 is small, the distance between the center of gravity of the weight member 152 and the axis of the exhaust pipe 151 needs to be lengthened.
  • the steam valve 15 can rotate normally.
  • the distance between the center of gravity of the weight member 150 and the axis of the exhaust pipe 151 is L1
  • the distance between the center of gravity of the intake pipe 153 and the axis of the exhaust pipe 151 is L2, which greatly affects the rotation effect of the steam valve 15.
  • L1 is larger than L2, but considering that the exhaust pipe 151 itself is subjected to frictional resistance, in order to ensure that the steam valve 15 can be quickly rotated after the kettle 10 is dumped, the adjustment is made.
  • the position of the intake pipe 153 is here L1/L2 ⁇ [2, 20].
  • the preferred range of L1/L2 is [4, 15].
  • the angle between the weight member 152 and the intake pipe 153 in the circumferential direction of the exhaust pipe 151 is a wide range of ⁇ , 90° ⁇ ⁇ ⁇ 180°, here if ⁇ If it is too small, then when the liquid heating vessel 10 is dumped, the water level in the liquid heating vessel 10 may be higher than the end of the intake pipe 153, and thus may enter the exhaust pipe 151 from the end of the intake pipe 153, so in the above embodiment
  • the outlet valve 18 has an anti-overflow effect. Referring to FIG. 3, FIG. 4a, and FIG.
  • the angle between the extending direction of the weight member 152 and the extending direction of the intake pipe 153 is ⁇ . Where 170° ⁇ ⁇ ⁇ 180°.
  • 180°, that is, the weight member 152 and the intake pipe 153 are respectively disposed on opposite sides of the exhaust pipe 151.
  • the water in the body 10b will quickly enter the lid 10a, and then enter the exhaust pipe 151 by the intake pipe 153. If the steam valve 15 rotates too slowly, the exhaust pipe 153 has not yet been waited. When turned to the highest position, the water flow enters the exhaust pipe 153 (even if there is a difference of 0.1 seconds, more water flows into the exhaust pipe), which causes the kettle cover 10 to overflow.
  • the intake pipe 153 may be a circular pipe, which may be a square pipe, or may be a pipe body of other shapes. Obviously, the above-mentioned several types of pipe bodies are in contact with the air in the rotational direction. The area is large and the air resistance is also large. In the present embodiment, the intake pipe 153 is provided in a flat shape. Thus, when the kettle 10 is dumped, the intake pipe 153 can be rotated to the highest position at the fastest speed, thereby preventing water from entering the intake pipe 153.
  • the length of the intake pipe 153 should also be limited. If the intake pipe 153 is too long, the intake pipe 153 is likely to interfere with other structures, which in turn causes the exhaust valve 15 to rotate in an inconvenient overall. If the intake pipe 153 is too short, the end of the intake pipe 153 may be flooded by water after the liquid heating vessel 10 is dumped. In the present embodiment, the length of the intake pipe 153 is between 3 cm and 5 cm, which is a preferred embodiment.
  • the intake pipe 153 and the exhaust pipe 151 can be integrally formed, so that the joint between the two is better in sealing performance, and it is less likely to leak or leak.
  • Both the intake pipe 153 and the weight member 152 may be installed at any position on the side wall of the exhaust pipe 151, and they may have a height difference in the up and down direction, and both may be on the same rotation plane. In an embodiment it is preferred that both are in the same plane of rotation. This is because if the two are in different planes of rotation, here the counterweight 152 is placed upside down, and the intake duct 153 is placed down as an example.
  • the exhaust pipe 151 is required to transmit the heavy torque of the weight member 152 to the intake pipe 153.
  • the exhaust pipe 151 may generate resistance to the rotation of the weight member 152, thereby The intake pipe 153 is rotated to an optimum positional delay. When the two are in the same plane of rotation, the exhaust pipe 151 generates less resistance, and the intake pipe 153 can be quickly rotated to the highest position.
  • the weight member 152 is disposed on the side wall of the exhaust pipe 151, and the weight member 152 may be fixedly coupled to the exhaust pipe 151, such as welding, the weight member 152 is integrally formed with the exhaust pipe 151; and the weight member 152 It may also be detachably connected to the exhaust pipe 151; the exhaust pipe 151 is a plastic member, the weight member 152 is a metal member, and the weight member 152 is fixed to the exhaust pipe 151 by overmolding. In a preferred embodiment, the attachment of the weight member 152 to the exhaust pipe 151 is preferably detachably coupled for ease of installation, removal or replacement of the weight member 152.
  • the side wall of the exhaust pipe 151 is provided with a boss 1512, and the weight member (152) is mounted on the boss 1512.
  • a boss 1512 is provided on the side wall of the exhaust pipe 151, and the exhaust pipe 151 is protected by the connection of the boss 1512 to the exhaust pipe 151. If the weight member 152 is directly mounted on the side wall of the exhaust pipe 151, The installation of the weight 152 may cause the exhaust pipe 151 to leak or deform.
  • the weight member 152 has a fan shape with its center end connected to the exhaust pipe 151. This is because, on the one hand, the fan-shaped weight member 152 is more convenient to process and lower in cost; on the other hand, the fan-shaped weight member 152 has less resistance when rotating, and the rotation speed is faster, and the intake pipe 153 can be quickly raise.
  • the kettle 10 is dumped.
  • the kettle 10 is tilted by 90° and the second is that the kettle 10 is tilted at an angle greater than 90°, for example 180°.
  • the temperature is 90°
  • the pressure of the water flow around the exhaust pipe 151 is small, and it is difficult for the water flow to penetrate into the air flow passage 14 in a short time.
  • the position pressure around the exhaust pipe 151 is large, and the water flow may permeate through the end face of the open end of the exhaust pipe 151 in a short time and enter the steam passage 14 through the exhaust hole 131, resulting in Water leakage accident.
  • At least one water stop 1310 is provided on the end surface of the closed end of the receiving groove 130, and the end surface of the open end of the exhaust pipe 151 is provided with at least one first water retaining ring embedded in the water tank 1310. 154.
  • the first water retaining ring 154 is inserted into the water retaining groove 1310 so as to effectively block the flow of water into the air flow passage 14. The overflow prevention effect of the exhaust valve 15 is improved.
  • the water flow may seep through the outer wall of the exhaust pipe 151 and enter the air flow passage 14, thereby causing water leakage.
  • the side of the exhaust pipe 151 is provided with at least one second water retaining ring 155 extending toward the inner side wall of the receiving groove 130.
  • the exhaust pipe 151 since the exhaust pipe 151 is rotatable, the exhaust pipe 151 does not interfere with the inner wall of the accommodating groove 130. Therefore, a gap should be reserved between the exhaust pipe 151 and the accommodating groove 130, and the water flow can enter the air flow passage 14 through the gap.
  • the second water retaining ring 155 After the second water retaining ring 155 is disposed, the second water retaining ring 155 generates water flow.
  • the resistance can slow the rate at which water flows into the airflow passage 14, thereby helping the user to lift the kettle 10 to win time.
  • two, three or more second water retaining rings 155 may be added.
  • the exhaust pipe 151 in order to slow the flow rate of the water flow into the air flow passage 14, or to prevent the water flow from penetrating into the water flow passage, the exhaust pipe 151 is provided with a sealing weight 156, and the sealing weight 156 is inclined at an angle greater than 90 degrees when the exhaust pipe 151 is inclined. The closed end of the exhaust pipe 151 is moved toward the open end of the exhaust pipe 151 to close the exhaust hole 131 at the end of the receiving groove 130.
  • the inner wall of the exhaust pipe 151 is provided with a gas guiding mechanism, and the air guiding mechanism forms a gas guiding passage between the sealing weight 156 and the inner wall of the exhaust pipe 151.
  • the air guiding mechanism may be a protrusion provided on the inner wall of the exhaust pipe 151, such as a circular protrusion or rib 1511, or may be a flow guiding groove provided on the inner wall of the exhaust pipe.
  • the air guiding mechanism is preferably a plurality of ribs 1511 extending in the axial direction of the exhaust pipe and distributed along the circumferential direction of the exhaust pipe, and an air guiding passage is formed between the adjacent ribs 1511.
  • the sealing weight 156 may have various shapes as long as the vent hole 131 can be blocked when the kettle is poured.
  • the seal weight is 156, which is arranged in a columnar shape or a spherical shape.
  • the movement resistance of the seal weight 156 in the exhaust pipe 151 is small and the movement is smoother.
  • an elastic member 159 is disposed between the end faces of the closed end of the lower cover 12 and the exhaust pipe 151, and the elastic member The 159 is disposed around the rotating shaft 157 provided at the lower end surface of the exhaust pipe 151 (here, the rotating mounting portion is taken as an example of the rotating shaft 157).
  • the elastic member 159 can quickly lift the exhaust pipe 151 to seal the upper end of the exhaust pipe 151 from the periphery of the exhaust hole 131, thereby improving the overflow prevention effect of the exhaust valve 15.
  • the elastic member 159 may be a spring, a rubber pad, or a spring piece.
  • the elastic member 159 is preferably a stainless steel spring.
  • the spring cannot press the exhaust pipe 151 too tightly, otherwise, when the kettle 10 is dumped, the friction of the spring against the exhaust pipe 151 is excessive, or the friction between the spring and the lower cover 12 is excessively large, thereby This causes the steam valve 15 to rotate unsmoothly.
  • the elastic function of the elastic member 159 may be weakened or disabled.
  • the exhaust pipe 151 is provided with a sleeve 158 extending from the end face of the closed end thereof, and the sleeve 158 is disposed around the elastic member 159.
  • the elastic member 159 is less likely to undergo permanent deformation under the support of the sleeve 158.
  • the lid 10a is attached to the body 10b, and the upper end of the body 10b is open, and the lid 10a seals the open end of the body 10b.
  • a sealing ring 19 is provided between the lower cover 12 and the body 10b, and the lid 10a is sealingly connected to the inner wall of the body 10b by a sealing ring 19.
  • the lid 10a and the body 10b are connected by a snap structure comprising a hook which is retractable on the lid 10a and is disposed on the inner wall of the body 10b.
  • the card slot on the top is
  • the buckle When the lid 10a is mounted on the body 10b, the buckle is deformed by being pressed, and when the hook is inserted into the slot, the buckle is restored and deformed, thereby cooperating with the slot, thereby limiting the lid 10a to the body 10b. .
  • the steam valve 15 includes an exhaust pipe 151, a weight member 152, and an intake pipe 153.
  • the exhaust pipe 151 is open at one end and closed at the other end.
  • the outer surface of the exhaust pipe 151 is provided with a water seal structure.
  • the water seal structure includes at least a first water retaining ring 154 disposed on an outer side wall of the exhaust pipe 151 and Or a second water retaining ring 155 disposed at an end surface of the open end of the exhaust pipe 151, and the exhaust pipe 151 is further provided with a free rotating portion for rotating the exhaust pipe 151 about its axial direction.
  • the intake pipe 153 is connected to the exhaust pipe 151, communicates with the exhaust pipe 151, and extends in the lateral direction of the exhaust pipe 151.
  • the weight member 152 is connected to the exhaust pipe 151 and extends laterally along the exhaust pipe 151.
  • the angle ⁇ between the weight member 152 and the intake pipe 153 in the circumferential direction of the exhaust pipe 151 is greater than 90° and less than or equal to 180°, and the weight moment of the weight member 152 rotating around the freely rotating portion is greater than that of the intake pipe 153.
  • the exhaust pipe 151 includes a pipe body and an end plate, the upper end of which is open, and the lower end is sealed by the end plate.
  • the weight member 152 may be installed on the side wall of the exhaust pipe 151 or may be installed at the lower end of the exhaust pipe 151; similarly, the intake pipe 153 may be installed on the side wall of the exhaust pipe 151 or may be installed in the exhaust pipe 151. The lower end.
  • mounting both the intake pipe 153 and the weight member 152 on the side wall of the exhaust pipe 151 is a preferred embodiment. The following description will be made by taking an example in which the intake pipe 153 and the weight member 152 are both attached to the side wall of the exhaust pipe 151.
  • An air outlet 1510 is defined in a sidewall of the pipe body, and an air inlet pipe 153 is installed at the air outlet 1510, and the air inlet pipe 153 communicates with the pipe body through the air outlet 1510.
  • the weight member 152 is disposed on the side wall of the exhaust pipe 151, and the weight member 152 may be fixedly coupled to the exhaust pipe 151, such as welding, the weight member 152 is integrally formed with the exhaust pipe 151; and the weight member 152 It may also be detachably connected to the exhaust pipe 151, for example, the weight member 152 and the exhaust pipe 151 are connected by a screw.
  • the weight 152 is disposed at an angle to the intake pipe 153 at the circumferential direction of the exhaust pipe 151.
  • the weight member 152 is of a large mass, and is generally made of a metal member such as a material having a relatively high density such as stainless steel or copper.
  • the exhaust pipe 151 and the intake pipe 153 may be made of plastic or metal.
  • the freely rotating portion is a rotary mounting portion that is mounted in the lid 10a.
  • the freely rotating portion may be part of the tubular body, such as the upper end portion, the middle portion or the lower end portion of the tubular body, the rotating mounting portion is a set of rings, and the tubular body is disposed in the collar; the freely rotating portion may also be disposed in the exhausting portion
  • the first rotating shaft 157 of the lower end surface of the tube 151 is disposed coaxially with the exhaust pipe 151, and the rotating mounting portion is a first shaft hole provided in the lower cover 12.
  • the freely rotating portion may also be a second shaft hole (blind hole) disposed at the closed end of the exhaust pipe 151, and the rotating mounting portion is a second rotating shaft disposed on the lower cover 12 and embedded in the shaft hole; the free rotating portion may also be sleeved in the row
  • the bearing on the side wall of the air tube 151 is a bearing hole disposed in the receiving groove 130, and the bearing is fixed in the bearing hole.
  • the lid 10a When the kettle 10 is turned to the ground, the lid 10a is inverted by 90° with respect to the normal state, and since the weight moment of the weight member 152 is greater than the weight moment of the intake pipe 153, the freely rotating portion is relatively opposed by the weight member 152.
  • the rotation mounting portion rotates, the final weight member 152 is at the bottom of the liquid level, the position of the intake pipe 153 is raised, and the water in the kettle 10 is not easily entered into the intake pipe 153.
  • the weight moment M1 of the weight member 152 is G1 ⁇ L1
  • G1 is the weight of the weight member 152
  • L1 is the vertical distance between the center of gravity of the weight member 152 and the axis of the exhaust pipe 151
  • G2 is the weight of the intake pipe 153
  • L2 is the center of gravity of the intake pipe 153 and the exhaust pipe The vertical distance of the axis of 151.
  • the angle between the weight member 152 and the intake pipe 153 in the circumferential direction of the exhaust pipe 151 is ⁇ , where 90° ⁇ ⁇ ⁇ 180°, because if 0° ⁇ ⁇ ⁇ 90°, then if the water level in the kettle 10 is higher than the steam gas valve 15 after the kettle 10 is dumped, the water can enter the exhaust pipe 151 along the intake pipe 153, so when 90° ⁇ ⁇ ⁇ 180°, even if the water level in the kettle 10 is difficult to flood the intake pipe 153 after the kettle 10 is dumped, the end of the intake pipe 153 can extend above the water level, so that the water flow does not easily enter the intake pipe 153. In the exhaust pipe 151, the overflow prevention effect is good.
  • first water retaining ring 154 and the second water retaining ring 155 are protruded from the outer surface of the exhaust pipe 151, and the water retaining ring 154 or the second water retaining ring 155 can be effectively prevented.
  • the water flows from between the steam valve 15 and the accommodating groove 130 to flow into the steam passage 14.
  • the first water retaining ring 154 and the second water retaining ring 155 may be continuous or non-continuous.
  • the first water retaining ring 154 is plural and arranged one by one in the axial direction of the exhaust pipe 151.
  • the side surface of the exhaust pipe 151 and the side wall surface of the accommodating groove 130 are reduced in contact with each other due to the presence of the first water retaining ring 154, thereby rotating the exhaust pipe 151.
  • the interference force of the exhaust pipe 151 and the side wall surface of the accommodating groove 130 is lowered, thereby reducing the resistance of the steam valve 15 to rotate.
  • a plurality of second water blocking rings 155 are distributed along the radial direction of the exhaust pipe 151, and thus, the resistance of the steam valve 15 to rotate can also be reduced.
  • the water flow can enter between the exhaust pipe 151 and the side wall surface of the accommodating groove 130, also because of the presence of the first water retaining ring 154 and/or the second water retaining ring 155. Only the water flow completely submerges the slots between the two first water retaining rings 154 and/or the two second water retaining rings 155, and the water flow can pass over the first water retaining ring 154 and/or the second water retaining ring 155, thereby improving The anti-overflow effect.
  • the sum of the volumes forming the sealed space between the water sealing mechanism and the inner wall of the accommodating groove 130 is V0, the exhaust pipe 151 and the accommodating groove.
  • the total volume between the side wall faces of 130 is V1, V0 / V1 ⁇ [0.5, 0.95].
  • the steam valve 15 is rotatable in the accommodating groove 130. Therefore, there is a certain gap between the side wall surface of the accommodating groove 130 and the side surface of the exhaust pipe 151 to avoid the friction between the two. Large interference.
  • V0/V1 when the value of V0/V1 is close to 0.5, that is, the sum of the volumes of the first water retaining ring 154 and/or the second water retaining ring 155 occupies about 50% of the remaining space of the accommodating groove, and at this time, the accommodating groove
  • the space between the side wall surface of the 130 and the side surface of the exhaust pipe 151 is relatively large, and the rotation effect of the steam valve 15 is better, but the water retaining effect of the first water retaining ring 154 and/or the second water retaining ring 155 is relatively Weakened.
  • V0/V1 When the value of V0/V1 is close to 0.95, that is, the volume of the first water retaining ring 154 and/or the second water retaining ring 155 occupies 5% of the remaining space of the entire receiving groove 130, and thus, the side of the receiving groove 130 The space between the wall surface and the side surface of the exhaust pipe 151 is relatively small, the rotational resistance of the steam valve 15 is increased, but the water retaining effect of the first water retaining ring 154 and/or the second water retaining ring 155 is relatively enhanced.
  • the value of V0/V1 can be 0.6, 0.7, 0.8, 0.9, etc.
  • the water retaining effect of the first water retaining ring 154 and/or the second water retaining ring 155 is also Preferably, the value of V0/V1 is preferably 0.75 to 0.85.
  • the angle between the extending direction of the weight member 152 and the extending direction of the intake pipe 153 is ⁇ , wherein 170° ⁇ ⁇ ⁇ 180°.
  • 180°, that is, the weight member 152 and the intake pipe 153 are respectively disposed on opposite sides of the exhaust pipe 151.
  • the water in the body 10b will quickly enter the lid 10a, and then enter the exhaust pipe 151 by the intake pipe 153. If the steam valve 15 rotates too slowly, the exhaust pipe 153 has not yet been waited. When turned to the highest position, the water flow enters the exhaust pipe 153 (even if there is a difference of 0.1 seconds, more water flows into the exhaust pipe), which causes the kettle cover 10 to overflow.
  • the intake pipe 153 may be a circular pipe, which may be a square pipe, or may be a pipe body of other shapes. Obviously, the above-mentioned several types of pipe bodies are in contact with the air in the rotational direction. The area is large and the air resistance is also large. In the present embodiment, the intake pipe 153 is provided in a flat shape. Thus, when the kettle 10 is dumped, the intake pipe 153 can be rotated to the highest position at the fastest speed, thereby preventing water from entering the intake pipe 153.
  • the length of the intake pipe 153 should also be limited. If the intake pipe 153 is too long, the intake pipe 153 is liable to interfere with other structures, thereby causing the steam valve 15 to rotate in an inconvenient overall. If the intake pipe 153 is too short, the end of the intake pipe 153 may be flooded by water after the liquid heating vessel 10 is dumped. In the present embodiment, the length of the intake pipe 153 is between 3 cm and 5 cm, which is a preferred embodiment.
  • the intake pipe 153 and the exhaust pipe 151 can be integrally formed, so that the joint between the two is better in sealing performance, and it is less likely to leak or leak.
  • the weight member 152 is disposed on the side wall of the exhaust pipe 151, and the weight member 152 may be fixedly coupled to the exhaust pipe 151, such as welding, the weight member 152 is integrally formed with the exhaust pipe 151; and the weight member 152 It may also be detachably connected to the exhaust pipe 151; the exhaust pipe 151 is a plastic member, the weight member 152 is a metal member, and the weight member 152 is fixed to the exhaust pipe 151 by overmolding. In a preferred embodiment, the attachment of the weight member 152 to the exhaust pipe 151 is preferably detachably coupled for ease of installation, removal or replacement of the weight member 152.
  • the side wall of the exhaust pipe 151 is provided with a boss 1512, and the weight member (152) is mounted on the boss 1512.
  • a boss 1512 is provided on the side wall of the exhaust pipe 151, and the exhaust pipe 151 is protected by the connection of the boss 1512 to the exhaust pipe 151. If the weight member 152 is directly mounted on the side wall of the exhaust pipe 151, The installation of the weight 152 may cause the exhaust pipe 151 to leak or deform.
  • the end surface of the closed end of the receiving groove 130 is provided with at least one water stop 1310, and the end surface of the open end of the exhaust pipe 151 is provided with at least one second water retaining ring embedded in the water tank 1310. 155.
  • the second water retaining ring 155 is thus inserted into the water retaining tank 1310 so as to effectively block the flow of water into the air flow passage 14.
  • the anti-overflow effect of the steam valve 15 is improved.
  • the exhaust pipe 151 in order to slow the flow rate of the water flow into the air flow passage 14, or to prevent the water flow from penetrating into the water flow passage, the exhaust pipe 151 is provided with a sealing weight 156, and the sealing weight 156 is inclined at an angle greater than 90 degrees when the exhaust pipe 151 is inclined. The closed end of the exhaust pipe 151 is moved toward the open end of the exhaust pipe 151 to close the exhaust hole 131 at the end of the receiving groove 130.
  • the inner wall of the exhaust pipe 151 is provided with a gas guiding mechanism, and the air guiding mechanism forms a gas guiding passage between the sealing weight 156 and the inner wall of the exhaust pipe 151.
  • the air guiding mechanism may be a protrusion provided on the inner wall of the exhaust pipe 151, such as a circular protrusion or rib 1511, or may be a flow guiding groove provided on the inner wall of the exhaust pipe.
  • the air guiding mechanism is preferably a plurality of ribs 1511 extending in the axial direction of the exhaust pipe and distributed along the circumferential direction of the exhaust pipe, and an air guiding passage is formed between the adjacent ribs 1511.
  • the sealing weight 156 may have various shapes as long as the vent hole 131 can be blocked when the kettle is poured.
  • the seal weight is 156, which is arranged in a columnar shape or a spherical shape.
  • the sealing weight 156 can be a relatively common material such as stainless steel, ceramic or glass, which can reduce manufacturing costs.
  • the mass of the sealing weight 156 cannot be excessively large, and the volume of the sealing weight 156 is increased to some extent, which is likely to cause interference.
  • the quality of the sealing weight 156 is also not too small, otherwise it will affect the response speed of the steam valve 15 rotation, which is not conducive to overflow prevention.
  • an elastic member 159 is disposed between the end faces of the closed end of the lower cover 12 and the exhaust pipe 151, and the elastic member The 159 is disposed around the rotating shaft 157 disposed at the lower end surface of the exhaust pipe 151.
  • the elastic member 159 can quickly lift the exhaust pipe 151 to seal the upper end of the exhaust pipe 151 from the periphery of the exhaust hole 131, thereby improving the overflow prevention effect of the steam valve 15.
  • the elastic member 159 may be a spring, a rubber pad, or a spring piece.
  • the elastic member 159 is preferably a spring.
  • the elastic function of the elastic member 159 may be weakened or disabled.
  • the exhaust pipe 151 is provided with a sleeve 158 extending from the end face of the closed end thereof, and the sleeve 158 is disposed around the elastic member 159.
  • the elastic member 159 is less likely to undergo permanent deformation under the support of the sleeve 158.
  • the cross-sectional area of the intake pipe 153 cannot be made small. Otherwise, when the water in the kettle boils, the conduction velocity of the steam in the intake pipe 153 is slow and cannot be smooth.
  • the temperature controller flowing to the bottom of the liquid heating vessel 10 affects the power-off response speed of the kettle 10, thus causing the kettle 10 to continue to heat for a period of time, thereby causing the water in the kettle 10 to bounce and the air pressure in the kettle is too large. ,There are security risks.
  • the inner space of the lid is limited. Therefore, the cross-sectional area of the inlet pipe cannot be too large.
  • the cross-sectional area of the intake pipe 153 needs to be limited, and its cross-sectional area S ⁇ [20 Mm2, 120mm2].
  • the angle between the weight member 152 and the intake pipe 153 in the circumferential direction of the exhaust pipe 151 is a wide range of ⁇ , 90° ⁇ ⁇ ⁇ 180°, here if ⁇ If it is too small, then when the liquid heating vessel 10 is dumped, the water level in the liquid heating vessel 10 may be higher than the end of the intake pipe 153, and thus may enter the exhaust pipe 151 from the end of the intake pipe 153, so in the above embodiment
  • the outlet valve 18 has an anti-overflow effect.
  • the angle between the extending direction of the weight member 152 and the extending direction of the intake pipe 153 is ⁇ , wherein 170° ⁇ ⁇ ⁇ 180°.
  • 180°, that is, the weight member 152 and the intake pipe 153 are respectively disposed on opposite sides of the exhaust pipe 151.
  • the water in the body 10b will quickly enter the lid 10a, and then enter the exhaust pipe 151 by the intake pipe 153. If the steam valve 15 rotates too slowly, the exhaust pipe 153 has not yet been waited. When turned to the highest position, the water flow enters the exhaust pipe 153 (even if there is a difference of 0.1 seconds, more water flows into the exhaust pipe), which causes the kettle cover 10 to overflow.
  • the intake pipe 153 may be a circular pipe, which may be a square pipe, or may be a pipe body of other shapes. Obviously, the above-mentioned several types of pipe bodies are in contact with the air in the rotational direction. The area is large and the air resistance is also large. In the present embodiment, the intake pipe 153 is provided in a flat shape. Thus, when the kettle 10 is dumped, the intake pipe 153 can be rotated to the highest position at the fastest speed, thereby preventing water from entering the intake pipe 153.
  • the length of the intake pipe 153 should also be limited. If the intake pipe 153 is too long, the intake pipe 153 is liable to interfere with other structures, thereby causing the steam valve 15 to rotate in an inconvenient overall. If the intake pipe 153 is too short, the end of the intake pipe 153 may be flooded by water after the liquid heating vessel 10 is dumped. In the present embodiment, the length of the intake pipe 153 is between 3 cm and 5 cm, which is a preferred embodiment.
  • the intake pipe 153 and the exhaust pipe 151 can be integrally formed, so that the joint between the two is better in sealing performance, and it is less likely to leak or leak.
  • Both the intake pipe 153 and the weight member 152 may be installed at any position on the side wall of the exhaust pipe 151, and they may have a height difference in the up and down direction, and both may be on the same rotation plane. In an embodiment it is preferred that both are in the same plane of rotation. This is because if the two are in different planes of rotation, here the counterweight 152 is placed upside down, and the intake duct 153 is placed down as an example.
  • the exhaust pipe 151 is required to transmit the heavy torque of the weight member 152 to the intake pipe 153.
  • the exhaust pipe 151 may generate resistance to the rotation of the weight member 152, thereby The intake pipe 153 is rotated to an optimum positional delay. When the two are in the same plane of rotation, the exhaust pipe 151 generates less resistance, and the intake pipe 153 can be quickly rotated to the highest position.
  • the weight member 152 is disposed on the side wall of the exhaust pipe 151, and the weight member 152 may be fixedly coupled to the exhaust pipe 151, such as welding, the weight member 152 is integrally formed with the exhaust pipe 151; and the weight member 152 It may also be detachably connected to the exhaust pipe 151; the exhaust pipe 151 is a plastic member, and the weight member 152 is a metal member, and the weight member 152 is fixed to the exhaust pipe 151 by overmolding.
  • the attachment of the weight member 152 to the exhaust pipe 151 is preferably detachably coupled for ease of installation, removal or replacement of the weight member 152.
  • the side wall of the exhaust pipe 151 is provided with a boss 1512, and the weight member (152) is mounted on the boss 1512.
  • a boss 1512 is provided on the side wall of the exhaust pipe 151, and the exhaust pipe 151 is protected by the connection of the boss 1512 to the exhaust pipe 151. If the weight member 152 is directly mounted on the side wall of the exhaust pipe 151, The installation of the weight 152 may cause the exhaust pipe 151 to leak or deform.
  • the weight member 152 has a fan shape with its center end connected to the exhaust pipe 151. This is because, on the one hand, the fan-shaped weight member 152 is more convenient to process and lower in cost; on the other hand, the fan-shaped weight member 152 has less resistance when rotating, and the rotation speed is faster, and the intake pipe 153 can be quickly raise.
  • the kettle 10 is dumped.
  • the kettle 10 is tilted by 90° and the second is that the kettle 10 is tilted at an angle greater than 90°, for example 180°.
  • the temperature is 90°
  • the pressure of the water flow around the exhaust pipe 151 is small, and it is difficult for the water flow to penetrate into the air flow passage 14 in a short time.
  • the position pressure around the exhaust pipe 151 is large, and the water flow may permeate through the end face of the open end of the exhaust pipe 151 in a short time and enter the steam passage 14 through the exhaust hole 131, resulting in Water leakage accident.
  • the end surface of the closed end of the receiving groove 130 is provided with at least one water tank 1310, and the end surface of the open end of the exhaust pipe 151 is provided with at least one embedded in the water tank 1310.
  • the first water retaining ring 154 is such that the first water retaining ring 154 is inserted into the water retaining groove 1310 so as to effectively block the flow of water into the air flow passage 14. The anti-overflow effect of the steam valve 15 is improved.
  • the water flow may seep through the outer wall of the exhaust pipe 151 and enter the air flow passage 14, thereby causing water leakage.
  • the side of the exhaust pipe 151 is provided with at least one second water retaining ring 155 extending toward the inner side wall of the receiving groove 130.
  • the exhaust pipe 151 since the exhaust pipe 151 is rotatable, the exhaust pipe 151 does not interfere with the inner wall of the accommodating groove 130. Therefore, a gap should be reserved between the exhaust pipe 151 and the accommodating groove 130, and the water flow can enter the air flow passage 14 through the gap.
  • a seal weight 156 is disposed in the exhaust pipe 151, and the seal weight 156 is in the exhaust pipe 151.
  • the sealing weight 156 may have various shapes as long as the vent hole 131 can be blocked when the kettle is poured.
  • the seal weight is 156, which is arranged in a columnar shape or a spherical shape.
  • the movement resistance of the seal weight 156 in the exhaust pipe 151 is small and the movement is smoother.
  • the elastic function of the elastic member 159 may be weakened or disabled.
  • the exhaust pipe 151 is provided with a sleeve 158 extending from an end surface of the closed end thereof, and the sleeve 158 is disposed around the elastic member 159.
  • the elastic member 159 is less likely to undergo permanent deformation under the support of the sleeve 158.

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Abstract

一种蒸汽阀、壶盖和液体加热容器,其中,蒸汽阀(15)包括排气管(151)、进气管(153)和配重件(152),排气管(151)呈一端开口另一端封闭状,所述排气管(151)上设置有供所述排气管(151)绕其轴向转动的自由转动部;进气管(153)与所述排气管(151)连通,且沿所述排气管(151)的侧向延伸;配重件(152)连接所述排气管(151),并沿所述排气管(151)的侧向延伸;所述配重件(152)与所述进气管(153)在排气管(151)周向上的夹角α大于90°小于等于180°,且所述配重件(152)绕所述自由转动部转动的重力矩大于所述进气管(153)绕所述自由转动部转动的重力矩。该蒸汽阀减小了液体加热容器中的水进入排气孔中的概率,提高了液体加热容器的防溢水效果。

Description

蒸汽阀、壶盖及液体加热容器
技术领域
本发明涉及液体加热容器技术领域,特别涉及一种蒸汽阀、壶盖及液体加热容器。
背景技术
液体加热容器包括壶盖和壶身,通常壶盖同壶身之间采用密封的装配方式防止液体加热容器意外倾倒后壶中的热水溢出烫伤人。另外,壶盖中设置有蒸汽阀,用以当烧水时,供液体加热容器排气。
然而,现有的蒸汽阀都是采用密封重锤封堵的方式封堵排气口,也就是在蒸汽阀的排气管中增设密封重锤,当液体加热容器倾倒时,密封重锤移动至排气口,将排气口封堵,从而防止壶身中的水溢出。但密封重锤往往因密封不严,或密封不及时,经常导致壶盖漏水。
发明内容
本发明的主要目的是提出一种蒸汽阀,旨在提高了液体加热容器的防溢水效果。
为实现上述目的,本发明提出一种蒸汽阀,该蒸汽阀包括排气管、进气管和配重加,其中,排气管一端开口另一端封闭状,所述排气管上设置有供所述排气管绕其轴向转动的自由转动部;进气管,与所述排气管连通,且沿所述排气管的侧向延伸;配重件,连接所述排气管,并沿所述排气管的侧向延伸;所述配重件与所述进气管在排气管周向上的夹角α大于90°小于等于180°,且所述配重件绕所述自由转动部转动的重力矩大于所述进气管绕所述自由转动部转动的重力矩。
优选的,所述进气管呈扁平状设置。
优选的,所述进气管的长度在3cm至5cm之间。
优选的,所述进气管与所述排气管一体成型。
优选的,所述进气管沿所述排气管的径向向外延伸,且与所述配重件在同一个旋转平面上。
优选的,所述配重件与所述进气管在排气管的周向上的夹角α大于等于170°小于等于180°。
优选的,所述排气管的侧壁设有凸台,所述配重件可拆卸安装于所述凸台上。
优选的,所述排气管为塑料件,所述配重件为金属件,所述配重件通过二次注塑固定在所述排气管上。
优选的,所述配重件呈扇形状,其圆心端连接所述排气管。
优选的,所述排气管的外表面设有水密封结构,所述水密封结构至少包括设置在所述排气管外侧壁的第一挡水环和/或设置在所述排气管开口端端面的第二挡水环。
优选的,所述第一挡水环为多个,且沿所述排气管的轴向逐一排布。
优选的,所述第二挡水环有多个,且沿所述排气管的径向分布。
优选的,所述进气管的横截面积S∈[20 mm2,120mm2]。
优选的,所述进气管的长度L0∈[20mm,60mm]。
优选的,所述进气管呈扁平状设置。
优选的,所述进气管的横截面呈椭圆设置。
优选的,所述排气管的开口端和/或所述自由转动部上设置有耐磨层。
本发明还提供一种壶盖,包括盖本体、位于所述盖本体上下两端的上盖板和下盖板,以及蒸汽阀;该蒸汽阀包括排气管、进气管和配重加,其中,排气管一端开口另一端封闭状,所述排气管上设置有供所述排气管绕其轴向转动的自由转动部;进气管,与所述排气管连通,且沿所述排气管的侧向延伸;配重件,连接所述排气管,并沿所述排气管的侧向延伸;所述配重件与所述进气管在排气管周向上的夹角α大于90°小于等于180°,且所述配重件绕所述自由转动部转动的重力矩大于所述进气管绕所述自由转动部转动的重力矩;所述盖本体上设有一端与所述排气管开口端连通,另一端与外部连通的蒸汽通道,所述壶盖内设有供所述自由转动部安装的转动安装部。
优选的,所述进气管呈扁平状设置。
优选的,所述进气管的长度在3cm至5cm之间。
优选的,所述进气管与所述排气管一体成型。
优选的,所述进气管沿所述排气管的径向向外延伸,且与所述配重件在同一个旋转平面上。
优选的,所述配重件与所述进气管在排气管的周向上的夹角α大于等于170°小于等于180°。
优选的,所述排气管的侧壁设有凸台,所述配重件可拆卸安装于所述凸台上。
优选的,所述排气管为塑料件,所述配重件为金属件,所述配重件通过二次注塑固定在所述排气管上。
优选的,所述配重件呈扇形状,其圆心端连接所述排气管。
优选的,所述盖本体上设有收容所述蒸汽阀的容置槽,所述容置槽呈一端封闭另一端开口的筒状,所述排气管的开口端端面抵接在所述容置槽的封闭端端面,所述容置槽的封闭端端面设有连通所述排气管和所述蒸汽通道的排气孔。
优选的,所述容置槽封闭端的端面设有至少一条挡水槽,所述排气管开口端的端面设有至少一条嵌入所述挡水槽内的第一挡水环。
优选的,所述排气管的侧部设有至少一道朝向所述容置槽内侧壁延伸的第二挡水环。
优选的,所述排气管内设有密封重锤,所述密封重锤在所述排气管倾斜角度大于90度时,自所述排气管的封闭端朝所述排气管的开口端移动,以密闭所述容置槽封闭端的排气孔。
优选的,所述排气管的内壁上设有导气机构,所述导气机构在所述密封重锤和所述排气管内壁之间形成导气通道。
优选的,所述导气机构为多个沿所述排气管轴向延伸且沿所述排气管周向分布的筋条,相邻的筋条之间形成所述导气通道。
优选的,所述密封重锤呈柱状或者球状设置。
优选的,所述自由转动部为设置于所述排气管封闭端的端面的转轴,所述转动安装部为设置于所述下盖板的轴孔,所述转轴插入所述轴孔而是所述蒸汽阀转动安装于所述下盖板。
优选的,所述下盖板和所述排气管封闭端的端面之间设有弹性件,所述弹性件环绕所述转轴设置。
优选的,所述排气管上设有自其封闭端面伸出的套管,所述套管呈环绕所述弹性件设置。
优选的,所述盖本体上还设有出水阀、收容所述出水阀的第二容置槽,以及连通所述出水阀和外部的出水通道,所述蒸汽通道与所述出水通道连通。
优选的,所述自由转动部为设置在所述排气管封闭端的轴孔,所述转动安装部为设置在所述下盖板上嵌入轴孔的转轴;或者所述自由转动部为设置在所述排气管开口端的轴承,所述转动安装部为设置在所述盖本体上的安装所述轴承的轴承孔。
优选的,所述排气管的外表面设有水密封结构,所述水密封结构至少包括设置在所述排气管外侧壁的第一挡水环和/或设置在所述排气管开口端端面的第二挡水环。
优选的,所述第一挡水环为多个,且沿所述排气管的轴向逐一排布。
优选的,所述第二挡水环有多个,且沿所述排气管的径向分布。
优选的,所述盖本体上设有收容所述蒸汽阀的容置槽,所述容置槽呈一端封闭另一端开口的筒状,所述排气管的开口端端面抵接在所述容置槽的封闭端端面,所述容置槽的封闭端端面设有连通所述排气管和所述蒸汽通道的排气孔。
优选的,所述水密封机构与所述容置槽内壁之间形成密闭空间的容积之和为V0,所述排气管与所述容置槽的内壁之间的总容积为V1,V0/V1∈[0.5,0.95]。
优选的,所述容置槽封闭端的端面设有至少一条挡水槽,所述第二挡水环嵌入所述挡水槽内。
优选的,所述排气管内设有密封重锤,所述密封重锤在所述排气管倾斜至预设角度时,自所述排气管的封闭端朝所述排气管的开口端移动,以密闭所述容置槽封闭端的排气孔。
优选的,所述排气管的内壁上设有筋条,所述筋条在所述密封重锤和所述排气管内壁之间形成导气通道。
优选的,所述自由转动部为设置于所述排气管封闭端的端面的第一转轴,所述转动安装部为设置于所述下盖板的第一轴孔,所述第一转轴直接插入所述第一轴孔而使所述蒸汽阀转动安装于所述下盖板;或者所述排气管的封闭端设有第二轴孔,所述转动安装部为设置在所述下盖板上嵌入所述第二轴孔的第二转轴。
优选的,所述下盖板和所述排气管封闭端的端面之间设有弹性件,所述弹性件环绕所述第一转轴设置。
优选的,所述盖本体上还设有出水阀、收容所述出水阀的第二容置槽,以及连通所述出水阀和外部的出水通道,所述蒸汽通道与所述出水通道连通。
优选的,所述进气管的横截面积S∈[20 mm2,120mm2]。
优选的,所述进气管的长度L0∈[20mm,60mm]。
优选的,所述进气管呈扁平状设置。
优选的,所述进气管的横截面呈椭圆设置。
优选的,所述排气管的开口端和/或所述自由转动部上设置有耐磨层。
优选的,所述盖本体上设有收容所述蒸汽阀的容置槽,所述容置槽呈一端封闭另一端开口的筒状,所述排气管的开口端端面抵接在所述容置槽的封闭端端面,所述容置槽的封闭端端面设有连通所述排气管和所述蒸汽通道的排气孔。
优选的,所述进气管的长度L0,所述下盖板的半径为R,L0/R∈[0.6,0.9]。
优选的,所述转动安装部上设置有耐磨层。
优选的,所述配重件绕所述自由转动部转动的重力矩大于所述进气管绕所述自由转动部转动的重力矩及所述排气管自转时与所述盖本体之间的摩擦力矩之和。
优选的,所述配重件的质量m1大于等于10g且小于等于50g。
优选的,所述进气管的质量m2大于等于5g小于等于20g。
优选的,所述配重件的重量为G1,所述进气管的重量为G2,G1/G2∈[0.5,12]。
优选的,G1/G2∈[1,10]。
优选的,所述配重件的重心与所述排气管的轴线之间的间距为L1,所述进气管的重心与所述排气管的轴线之间的间距为L2,L1/L2∈[2,20]。
优选的,L1/L2∈[4,15]。
优选的,所述盖本体具有上盖板、下盖板和支架,所述支架位于所述上盖板和下盖板之间,且设有收容所述蒸汽阀的容置槽,所述容置槽呈一端封闭另一端开口的筒状,所述排气管的开口端端面抵接在所述容置槽的封闭端端面,所述容置槽的封闭端端面设有连通所述排气管和所述蒸汽通道的排气孔。
优选的,所述下盖板和所述排气管封闭端的端面之间设有弹性件。
优选的,所述弹性件为弹簧,该弹簧的内径D∈[10mm,20mm],总圈数n∈[4,12],劲度系数k∈[10g/mm,40g/mm],质量m3∈[0.3g,1.5g]。
优选的,所述排气管上设有自其封闭端面伸出的套管,所述套管呈环绕所述弹性件设置。
优选的,所述支架上还设有出水阀、收容所述出水阀的第二容置槽,以及连通所述出水阀和外部的出水通道,所述蒸汽通道与所述出水通道连通。
本发明还提供一种液体加热容器,包括壶身和壶盖,所述壶盖包括盖本体、位于所述盖本体上下两端的上盖板和下盖板,以及蒸汽阀;该蒸汽阀包括排气管、进气管和配重加,其中,排气管一端开口另一端封闭状,所述排气管上设置有供所述排气管绕其轴向转动的自由转动部;进气管,与所述排气管连通,且沿所述排气管的侧向延伸;配重件,连接所述排气管,并沿所述排气管的侧向延伸;所述配重件与所述进气管在排气管周向上的夹角α大于90°小于等于180°,且所述配重件绕所述自由转动部转动的重力矩大于所述进气管绕所述自由转动部转动的重力矩;所述盖本体上设有一端与所述排气管开口端连通,另一端与外部连通的蒸汽通道,所述壶盖内设有供所述自由转动部安装的转动安装部;所述壶盖封盖所述壶身,并与所述壶身的内壁密闭连接。
优选的,所述下盖板和所述盖本体之间设有密封圈,所述壶盖通过所述密封圈与所述壶身的内壁密封连接。
优选的,所述壶盖和壶身通过卡扣结构连接,所述卡扣结构包括设置在壶盖上可伸缩的扣钩和设置在壶身内壁上的卡槽。
本发明的技术方案通过在排气管设置配重件和自由主动部,使蒸汽阀在配重件的带动作用下自由转动,当防溢液体加热容器倾倒时,配重件向下转动的同时带动进气管向上移动,从而抬高了进气管的位置,减小了液体加热容器中的水进入排气孔中的概率,提高了液体加热容器的防溢水效果。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图示出的结构获得其他的附图。
图1为本发明防溢水壶一实施例的结构示意图;
图2为图1壶盖的剖视图;
图3为图1中壶盖的内部结构示意图,其中壶盖的下盖板被移除;
图4a为图3中本发明蒸汽阀一实施例的结构示意图;
图4b为图3中本发明蒸汽阀另一实施例的结构示意图;
图5a为图4a另一视角的结构示意图;
图5b为图4b另一视角的结构示意图;
图6a为图4a中蒸汽阀的剖视图;
图6b为图4b中蒸汽阀的剖视图;
图7为本发明蒸汽阀另一实施例装配于壶盖的剖视图;
图8a为图1中壶盖倾倒180°后,水与壶盖的位置结构剖视图,其中,采用的蒸汽阀为图4a中的蒸汽阀;
图8b为图1中壶盖倾倒180°后,水与壶盖的位置结构剖视图,其中,采用的蒸汽阀为图4b中的蒸汽阀。
附图标号说明:
标号 名称 标号 名称
10 液体加热容器 10a 壶盖
10’ 盖本体 10b 壶身
10c 供电底座 11 上盖板
12 下盖板 13 支架
14 蒸汽通道 15 蒸气阀
16 按键 17 杠杆
18 排水阀 19 密封圈
100 第二容置槽 130 容置槽
131 排气孔 141 壶嘴
151 排气管 152 配重件
153 进气管 154 第一挡水环
155 第二挡水环 156 密封重锤
157 转轴 158 套管
159 弹性件 1510 排气口
1511 筋条 1512 凸台
1310 挡水槽
本发明目的的实现、功能特点及优点将结合实施例,参照附图做进一步说明。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明的一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
需要说明,若本发明实施例中有涉及方向性指示(诸如上、下、左、右、前、后……),则该方向性指示仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系、运动情况等,如果该特定姿态发生改变时,则该方向性指示也相应地随之改变。
另外,若本发明实施例中有涉及“第一”、“第二”等的描述,则该“第一”、“第二”等的描述仅用于描述目的,而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。另外,各个实施例之间的技术方案可以相互结合,但是必须是以本领域普通技术人员能够实现为基础,当技术方案的结合出现相互矛盾或无法实现时应当认为这种技术方案的结合不存在,也不在本发明要求的保护范围之内。
本发明提出一种蒸汽阀、安装有该蒸汽阀的壶盖,以及具有该壶盖的液体加热容器。
参照图1至图3,液体加热容器10包括有壶盖10a、壶身10b和供电底座10c,其中,壶盖10a具有盖本体10’,以及安装于盖本体10’上端的上盖板11和安装于盖本体10’下端的下盖板12。为了便于表述,下述内容中将液体加热容器以水壶为例进行阐述。
盖本体10’具有支架13,支架13具有一安装蒸汽阀15的容置槽130,该容置槽130呈一端开口,另一端封闭的筒状设置,该容置槽130的封闭端设置有一与蒸汽阀15连通的排气孔131。
壶盖10a上设置有一按键16,盖本体10’上设置有一杠杆17、出水阀18,以及收容该出水阀18的第二容置槽100,按键16连接杠杆17的一端,杠杆17的另一端用以驱动出水阀18打开(出水阀18的关闭由安装在其上端的压簧和挡板完成)。
盖本体10’上还设置有一蒸汽通道14和一出水通道,该排气孔131与蒸汽通道14连通,该蒸汽通道14的一端与外部连通,以保持壶身中的气压。出水通道一端为壶嘴,另一端与第二容置槽100连通,当出水阀18打开时,壶身10b中的水流可流入第二容置槽100中,并经由出水阀18从壶嘴排出。
当该防溢水壶10烧水时,壶身10b中的水蒸发,水气从下盖板12上开设的通孔进入蒸汽阀15中,然后由排气孔131进入蒸汽通道14,最后水气由蒸汽通道14沿液体加热容器把手到达液体加热容器10底部的温控器,另一方面由蒸汽通道14的与外部连通的一端排出。
当用户需要倒水时,通过按压设置于壶身10b上的操作件(图中未表示),以使该操作件抵压上述按键16,并通过杠杆17将出水阀18打开,壶身10b中的水进入第二容置槽100内,并从壶嘴141流出。
在本发明实施例中,从四个方面阐述蒸汽阀15、壶盖和液体加热容器的具体实施例。
第一方面,如图4a至图6b所示,蒸汽阀15包括排气管151,配重件152和进气管153。其中,排气管151呈一端开口另一端封闭状,排气管151上设置有供该排气管151沿其轴向转动的自由转动部。
进气管153连接排气管151,与排气管151连通,且沿排气管151的侧向延伸。配重件152连接排气管151,并沿排气管151的侧向延伸。配重件152与进气管153在排气管151周向上的夹角α大于90°小于等于180°,且配重件152绕所述自由转动部转动的重力矩大于所述进气管153绕所述自由主动部转动的重力矩。
具体而言,排气管151包括一管体和一端板,该管体的上端开口,下端由该端板密封。配重件152可以安装在排气管151的侧壁,也可以安装在排气管151的下端;同样,进气管153可以安装在排气管151的侧壁,也可以安装在排气管151的下端。当然,为了便于安装,将进气管153和配重件152均安装在排气管151的侧壁为优选实施例。下述内容将以进气管153和配重件152均安装在排气管151的侧壁为例进行阐述。
管体的侧壁开设有一排气口1510,该排气口1510处安装进气管153,该进气管153通过该排气口1510与管体连通。
配重件152是设置在排气管151的侧壁的,配重件152可以是固定连接于排气管151的,例如焊接、配重件152与排气管151一体成型;配重件152还可以是与排气管151可拆卸连接的,例如配重件152与排气管151通过螺接件连接。配重件152与进气管153在排气管151的周向呈夹角设置。另外,配重件152质量较大,一般采用金属件,例如,不锈钢或铜等密度较大的材料。排气管151和进气管153可以采用塑料,也可以采用金属件。
自由转动部是安装于壶盖10a内的转动安装部的。自由转动部可以是属于管体的一部分,例如管体的上端部、中部或下端部,转动安装部为一套环,管体设置于该套环中;自由转动部还可以为设置在所述排气管151封闭端的轴孔,所述转动安装部为设置在所述下盖板12上嵌入轴孔的转轴;自由转动部还可是套设在排气管151侧壁的轴承,转动安装部是设置于容置槽130内的轴承孔,该轴承固定于轴承孔中。自由转动部还可以是设置于排气管151的下端面的转轴154,该转轴154与所述排气管151同轴设置,转动安装部为设置于下盖板12的轴孔。
当液体加热容器10倒地时,壶盖10a相对于正常状态翻转了90°,由于配重件152的重力矩大于进气管153的重力矩,因此,在配重件152的作用下,自由转动部相对于转动安装部发生旋转,最终配重件152处于液面最下方,进气管153的位置被抬高,液体加热容器10中的水不易进入进气管153。
在此,配重件152的重力矩M1=G1×L1,进气管153的重力矩M2=G2×L2。其中,G1为配重件152的重量,L1为配重件152的重心与排气管151的轴心的垂直距离;G2为进气管153的重量,L2为进气管153的重心与排气管151的轴心的垂直距离。在此,只要满足M1>M2,液体加热容器倾倒时(倾倒90°),蒸汽阀15即可旋转,配重件152向下转动,排气管153被抬高。
配重件152与进气管153在排气管151的周向上的夹角为α,在此90°< α ≤180°,这是因为,如果0°< α ≤90°,那么如果水壶10倾倒后,水壶10中的水位高于蒸汽气阀15,那么水便可以沿进气管153进入排气管151中,所以,当 90°< α ≤180°时,即便如果水壶10倾倒后,水壶10中的水位也难以将进气管153全部淹没,进气管153的末端是可以延伸到水位上方的,如此,水流不会轻易由进气管153进入排气管151中,防溢效果较好。
本发明的技术方案通过在排气管151设置配重件152和自由转动部,使蒸汽阀15在配重件152的带动作用下自由转动,当防溢液体加热容器10倾倒时,配重件152向下转动的同时带动进气管153向上移动,从而抬高了进气管153的位置,减缓了液体加热容器10中的水进入排气口1510中的概率,提高了液体加热容器10的防溢水效果。
参照图3、图4a、图5a、图6a,上述实施例中,配重件152与进气管153在排气管151的周向上的夹角为α范围较广,90°< α ≤180°,在此,如果α 偏小,那么当液体加热容器10倾倒后,液体加热容器10中的水位可能会高于进气管153的末端,进而可能从进气管153的末端进入排气管151中,因此上述实施例中的出水阀18防溢水效果一般。在一较佳实施例中,为了提高出水阀18的防溢水效果,所述配重件152的延伸方向与所述进气管153的延伸方向之间的夹角为α,其中170°≤ α ≤180°。如此,即便如果液体加热容器10倾倒后,液体加热容器10中的水位难以将进气管153的末端淹没,如此,水流不会由进气管153进入排气管151中,防溢效果得到加强。
在上一实施例的基础上,为了使蒸汽阀15的防溢水效果最佳,α =180°,也即是配重件152与所述进气管153分别布设于所述排气管151的相对两侧。
水壶10倾倒瞬间,壶身10b中的水很快就会进入壶盖10a,进而由进气管153进入排气管151中,如果蒸汽阀15旋转速度过慢,那么,还未等排气管153转动至最高位置时,水流就会进入排气管153中(即便是相差0.1秒,也会有较多的水流进入排气管中),进而导致壶盖10溢水。
参照图3、图4a和图5a,上述实施例中,进气管153可以是圆管,可以是方管,还可以是其它形状的管体,显然,上述几种类型的管体在转动方向上与空气接触面积较大,受到的空气阻力也较大。在本实施例中,进气管153呈扁平状设置。如此,当水壶10倾倒时,进气管153可以以最快速度旋转至最高位置,从而避免水流进入进气管153中。
另外,考虑到壶盖10a的半径一般在5cm至8cm,所以进气管153的长度也应有所限制。如果进气管153过长,进气管153易与其它结构产生干涉,进而导致蒸汽阀15整体转动不便。如果进气管153过短,液体加热容器10倾倒后,进气管153的末端可能被水淹没。在本实施例中,所述进气管153的长度在3cm至5cm之间为较佳实施方式。
考虑到进气管153与排气管151连接的密封性,进气管153与排气管151可以采用一体成型设置,如此,二者之间的连接处密封性更好,不易漏气或漏水。
进气管153和配重件152均可以安装在排气管151侧壁的任意位置,二者可以在上下向具有高度差,二者也可以在同一个旋转平面上。在一实施例中优选二者处于同一旋转平面。这是因为,如果二者处于不同的旋转平面,在此以配重件152靠上设置,进气管153靠下设置为例进行阐述。当配重件转152动时,需要排气管151将配重件152的重力矩传递给进气管153,在此过程中,排气管151会对配重件152的旋转产生阻力,从而会使进气管153转动至最佳位置延迟。而当二者处于同一旋转平面时,排气管151产生的阻力较小,进气管153可迅速旋转至最高位置。
配重件152是设置在排气管151的侧壁的,配重件152可以是固定连接于排气管151的,例如焊接、配重件152与排气管151一体成型;配重件152还可以是于排气管151可拆卸连接的;排气管151为塑料件,配重件152为金属件,所述配重件152通过二次注塑固定在所述排气管151上。在一较佳实施例中,为了便于配重件152的安装、拆卸或更换,配重件152与排气管151的连接方式优选可拆卸连接。具体的,排气管151的侧壁设有凸台1512,所述配重件(152)安装于所述凸台1512上。在排气管151的侧壁设置凸台1512,通过凸台1512与配重件152连接对排气管151具有保护作用,如果配重件152直接安装在排气管151的侧壁,那么配重件152的安装可能导致排气管151漏气或变形。
继续参照图3、图4a和图5a,在另一较佳实施例中,所述配重件152呈扇形状,其圆心端连接所述排气管151。这是因为,一方面,扇形的配重件152加工较方便,成本较低;另一方面,扇形设置的配重件152在旋转时阻力较小,旋转速度较快,可以将进气管153迅速抬高。
参照图2和图8a,水壶10倾倒存在两种情况,第一种情况是水壶10倾倒90°,第二种是水壶10倾倒角度大于90°,例如180°。倾倒90°时,水流在排气管151周围的位置压力较小,水流难以在较短时间渗入气流通道14内。但是水壶10倾倒180°时,排气管151周围的位置压力较大,水流可能会在较短的时间渗过排气管151的开口端的端面而由排气孔131进入蒸汽通道14中,造成漏水的事故。在一较佳实施例中,为了避免上述情况,所述容置槽130封闭端的端面设有至少一条挡水槽1310,所述排气管151开口端的端面设有至少一条嵌入所述挡水槽1310内的第一挡水环154,如此该第一挡水环154插入所述挡水槽1310中,从而可以有效阻挡水流渗入气流通道14中。提高了蒸汽阀15的防溢水效果。
参照图7,进一步而言,水壶10倾倒后,水流可能会渗过排气管151的外壁而进入气流通道14中,进而引起漏水。在一实施例中,为了避免水流渗过排气管151的外壁,所述排气管151的侧部设有至少一道朝向所述容置槽130内侧壁延伸的第二挡水环155。在此,由于排气管151是可转动的,因此,排气管151是与容置槽130的内壁之间不能产生干涉。所以排气管151与容置槽130之间应当预留间隙,而水流就可通过该间隙进入气流通道14中,因此,设置第二挡水环155后,第二挡水环155对水流产生阻力,可以减缓水流进入气流通道14的速率,从而为用户将水壶10扶起赢得时间。当然,为了进一步减缓水流渗入气流通道14内的速率,可以增设两道、三道或三道以上的第二挡水环155。
上一实施例述及了水壶10倾倒180°时,排气管151周围的位置压力较大,水流可能会在较短的时间渗入气流通道14内,造成漏水的事故,在另一较佳实施例中,为了减缓水流渗入气流通道14的速率,或者是为了避免水流渗入水流通道内,所述排气管151内设有密封重锤156,所述密封重锤156在所述排气管151倾斜角度大于90度时,自所述排气管151的封闭端朝所述排气管151的开口端移动,以密闭所述容置槽130封闭端的排气孔131。
参照图6a,在上一实施例的基础上,考虑到密封重锤156不能将排气管151堵塞,否则会导致排气管151排气不通畅。所以在本实施例中,所述排气管151的内壁上设有导气机构,所述导气机构在所述密封重锤156和所述排气管151内壁之间形成导气通道。在此,该导气机构可以是设置在排气管151内壁的凸起,例如圆形凸起或筋条1511,还可以是设置于排气管内壁的导流槽。在此,所述导气机构优选为多个沿所述排气管轴向延伸且沿所述排气管周向分布的筋条1511,相邻的筋条1511之间形成所述导气通道。
上述实施例中,密封重锤156可以是多种形状,只要能够在水壶倾倒时能够将排气孔131封堵即可。例如,密封重,156呈柱状或球状设置,如此,密封重锤156在排气管151内的移动阻力较小,移动更顺畅。
在另一较佳实施例中,为了提高排气管151的上端与排气孔131的周边的密封性,所述下盖板12和所述排气管151封闭端的端面之间设有弹性件159,所述弹性件159环绕设置在排气管151下端面的转轴157设置。如此,水壶10在倾倒时,弹性件159可以迅速将排气管151顶起,以使排气管151的上端与排气孔131的周边密封,从而提高该蒸汽阀15的防溢效果。在此,弹性件159可以是弹簧,也可以是橡胶垫,也可以是弹片。当然,在此弹性件159优选弹簧。
参照图6a,在上一实施例的基础上,考虑到弹性件159长期受压,可能导致弹性件159的弹性功能减弱或失效。于本实施中,所述排气管151上设有自其封闭端的端面伸出的套管158,所述套管158呈环绕所述弹性件159设置。如此,即便弹性件159受到压力过大,在套管158支撑作用下,弹性件159不易发生永久性形变。
上述内容中主要述及蒸汽阀15和壶盖10的改进,在下述内容中将对壶盖10a与壶身10b的配合关系作进一步介绍:
参照图2和图3,壶盖10a是安装于壶身10b的,壶身10b上端是敞口的,壶盖10a是将壶身10b的敞口端密封的。在一较佳实施例中,下盖板12和壶身10b之间设有密封圈19,壶盖10a通过密封圈19与壶身10b的内壁密封连接。另外,为了保证壶盖10a与壶身10b连接强度,壶盖10a和壶身10b通过卡扣结构连接,该卡扣结构包括设置在壶盖10a上可伸缩的扣钩和设置在壶身10b内壁上的卡槽。当将壶盖10a安装于壶身10b时,扣钩受到抵压而变形,当扣钩伸入卡槽时,扣钩恢复形变,进而与卡槽配合,从而将壶盖10a限位于壶身10b。
第二方面,上述实施例中,均没有考虑排气管151自转时受到的摩擦力,因此,在下述内容中介绍关于蒸汽阀15在转动时排气管151受到摩擦力的实施例。
蒸汽阀15包括排气管151,配重件152和进气管153。其中,排气管151呈一端开口另一端封闭状,排气管151上设置有供该排气管151沿其轴向转动的自由转动部。
进气管153连接排气管151,与排气管151连通,且沿排气管151的侧向延伸。配重件152连接排气管151,并沿排气管151的侧向延伸。配重件152与进气管153在排气管151周向上的夹角α大于90°小于等于180°,在此,配重件152绕自由转动部转动的重力矩大于进气管153绕自由转动部转动的重力矩及排气管151自转时的摩擦力矩之和。
具体而言,排气管151包括一管体和一端板,该管体的上端开口,下端由该端板密封。配重件152可以安装在排气管151的侧壁,也可以安装在排气管151的下端;同样,进气管153可以安装在排气管151的侧壁,也可以安装在排气管151的下端。当然,为了便于安装,将进气管153和配重件152均安装在排气管151的侧壁为优选实施例。下述内容将以进气管153和配重件152均安装在排气管151的侧壁为例进行阐述。
管体的侧壁开设有一排气口1510,该排气口1510处安装进气管153,该进气管153通过该排气口1510与管体连通。
配重件152是设置在排气管151的侧壁的,配重件152可以是固定连接于排气管151的,例如焊接、配重件152与排气管151一体成型;配重件152还可以是与排气管151可拆卸连接的,例如配重件152与排气管151通过螺接件连接。配重件152与进气管153在排气管151的周向呈夹角设置。另外,配重件152质量较大,一般采用金属件,例如,不锈钢或铜等密度较大的材料。排气管151和进气管153可以采用塑料,也可以采用金属件,但从食品卫生、耐温耐蒸汽、占用空间等方面综合考虑,优选不锈钢材料,例如SUS304。
自由转动部是安装于壶盖10a内的转动安装部的。自由转动部可以是属于管体的一部分,例如管体的上端部、中部或下端部,转动安装部为一套环,管体设置于该套环中;自由转动部也可以是设置于排气管151的下端面的第一转轴157,该第一转轴157与排气管151同轴设置,转动安装部为设置于下盖板12的第一轴孔。自由转动部还可以为设置在排气管151封闭端的第二轴孔(盲孔),转动安装部为设置在下盖板12上嵌入轴孔的第二转轴;自由转动部还可是套设在排气管151侧壁的轴承,转动安装部是设置于容置槽130内的轴承孔,该轴承固定于轴承孔中。
当液体加热容器10倒地时,壶盖10a相对于正常状态翻转了90°,由于配重件152的重力矩大于进气管153的重力矩,因此,在配重件152的作用下,自由转动部相对于转动安装部发生旋转,最终配重件152处于液面最下方,进气管153的位置被抬高,液体加热容器10中的水不易进入进气管153。
在此,配重件152的重力矩M1=G1×L1,进气管153的重力矩M2=G2×L2
,排气管151自转时的摩擦力矩M3=f×d1。其中,G1为配重件152的重量,L1为配重件152的重心与排气管151的轴心的垂直距离;G2为进气管153的重量,L2为进气管153的重心与排气管151的轴心的垂直距离,f为排气管自转时受到的摩擦力(例如排气管151与容置槽130的内壁之间的摩擦力,或自由转动部与转动安装部之间的摩擦力),d1为排气管的半径。在此,只要满足M1>M2+M3,液体加热容器倾倒时(倾倒90°),蒸汽阀15即可旋转,配重件152向下转动,排气管153被抬高。
配重件152与进气管153在排气管151的周向上的夹角为α,在此90°< α ≤180°,这是因为,如果0°< α ≤90°,那么如果水壶10倾倒后,水壶10中的水位高于蒸汽气阀15,那么水便可以沿进气管153进入排气管151中,所以,当 90°< α ≤180°时,即便如果水壶10倾倒后,水壶10中的水位也难以将进气管153全部淹没,进气管153的末端是可以延伸到水位上方的,如此,水流不会轻易由进气管153进入排气管151中,防溢效果较好。
由于壶盖10体积有限,所以,配重件152的质量不可过大,否则在壶盖10内部占据的体积较大,易与其它结构干涉;配重件152的质量也不可过小,否则,当水壶10倾倒时,蒸汽阀15旋转较慢,防溢效果一般。所以,鉴于上述情况,在本实施例中,配重件152的质量m1大于等于10g且小于等于50g 。如此,既可以保障配重件152空间占用率较低,同时使蒸汽阀152的转动的响应速度较快。另外,进气管153的质量也有要求,其质量m2大于等于5g小于等于20g。
当水壶10倾倒时,为了保障蒸汽阀15能够正常转动,配重件152的重量为G1,进气管153的重量为G2,G1/G2∈[0.5,12]。进一步而言,考虑到壶盖的直径较小,一般在10cm至15cm内,如果,G1与G2的比值偏小,那么配重件152的重心与排气管151的轴线距离就需要加长,如此,才能满足M1>M2+M3,蒸汽阀15方可正常转动。在一较佳实施例中,G1/G2∈[1,10] 。
配重件150的重心与排气管151的轴线之间的间距为L1,以及进气管153的重心与排气管151的轴线之间的间距为L2对蒸汽阀15的转动效果有较大影响,通常情况下,为了使蒸汽阀15转动更舒畅,L1要大于L2,但是考虑到排气管151自身还会受到摩擦阻力,所以为了保障蒸汽阀15在水壶10倾倒后能够迅速转动,从而调整进气管153的位置,在此L1/L2∈[2,20]。当然,进一步而言,考虑到壶盖10的内部尺寸,L1/L2的优选范围在[4,15]。
上述实施例中,配重件152与进气管153在排气管151的周向上的夹角为α范围较广,90°< α ≤180°,在此,如果α 偏小,那么当液体加热容器10倾倒后,液体加热容器10中的水位可能会高于进气管153的末端,进而可能从进气管153的末端进入排气管151中,因此上述实施例中的出水阀18防溢水效果一般。参照图3、图4a、图6a,在一较佳实施例中,为了提高出水阀18的防溢水效果,配重件152的延伸方向与进气管153的延伸方向之间的夹角为α,其中170°≤ α ≤180°。如此,即便如果液体加热容器10倾倒后,液体加热容器10中的水位难以将进气管153的末端淹没,如此,水流不会由进气管153进入排气管151中,防溢效果得到加强。
在上一实施例的基础上,为了使蒸汽阀15的防溢水效果最佳,α =180°,也即是配重件152与进气管153分别布设于排气管151的相对两侧。
水壶10倾倒瞬间,壶身10b中的水很快就会进入壶盖10a,进而由进气管153进入排气管151中,如果蒸汽阀15旋转速度过慢,那么,还未等排气管153转动至最高位置时,水流就会进入排气管153中(即便是相差0.1秒,也会有较多的水流进入排气管中),进而导致壶盖10溢水。
参照图3和图4a,上述实施例中,进气管153可以是圆管,可以是方管,还可以是其它形状的管体,显然,上述几种类型的管体在转动方向上与空气接触面积较大,受到的空气阻力也较大。在本实施例中,进气管153呈扁平状设置。如此,当水壶10倾倒时,进气管153可以以最快速度旋转至最高位置,从而避免水流进入进气管153中。
另外,考虑到壶盖10a的半径一般在5cm至8cm,所以进气管153的长度也应有所限制。如果进气管153过长,进气管153易与其它结构产生干涉,进而导致排气阀15整体转动不便。如果进气管153过短,液体加热容器10倾倒后,进气管153的末端可能被水淹没。在本实施例中,进气管153的长度在3cm至5cm之间为较佳实施方式。
考虑到进气管153与排气管151连接的密封性,进气管153与排气管151可以采用一体成型设置,如此,二者之间的连接处密封性更好,不易漏气或漏水。
进气管153和配重件152均可以安装在排气管151侧壁的任意位置,二者可以在上下向具有高度差,二者也可以在同一个旋转平面上。在一实施例中优选二者处于同一旋转平面。这是因为,如果二者处于不同的旋转平面,在此以配重件152靠上设置,进气管153靠下设置为例进行阐述。当配重件转152动时,需要排气管151将配重件152的重力矩传递给进气管153,在此过程中,排气管151会对配重件152的旋转产生阻力,从而会使进气管153转动至最佳位置延迟。而当二者处于同一旋转平面时,排气管151产生的阻力较小,进气管153可迅速旋转至最高位置。
配重件152是设置在排气管151的侧壁的,配重件152可以是固定连接于排气管151的,例如焊接、配重件152与排气管151一体成型;配重件152还可以是于排气管151可拆卸连接的;排气管151为塑料件,配重件152为金属件,配重件152通过二次注塑固定在排气管151上。在一较佳实施例中,为了便于配重件152的安装、拆卸或更换,配重件152与排气管151的连接方式优选可拆卸连接。具体的,排气管151的侧壁设有凸台1512,配重件(152)安装于凸台1512上。在排气管151的侧壁设置凸台1512,通过凸台1512与配重件152连接对排气管151具有保护作用,如果配重件152直接安装在排气管151的侧壁,那么配重件152的安装可能导致排气管151漏气或变形。
继续参照图3和图4a,在另一较佳实施例中,配重件152呈扇形状,其圆心端连接排气管151。这是因为,一方面,扇形的配重件152加工较方便,成本较低;另一方面,扇形设置的配重件152在旋转时阻力较小,旋转速度较快,可以将进气管153迅速抬高。
参照图2和图8a,水壶10倾倒存在两种情况,第一种情况是水壶10倾倒90°,第二种是水壶10倾倒角度大于90°,例如180°。倾倒90°时,水流在排气管151周围的位置压力较小,水流难以在较短时间渗入气流通道14内。但是水壶10倾倒180°时,排气管151周围的位置压力较大,水流可能会在较短的时间渗过排气管151的开口端的端面而由排气孔131进入蒸汽通道14中,造成漏水的事故。在一较佳实施例中,为了避免上述情况,容置槽130封闭端的端面设有至少一条挡水槽1310,排气管151开口端的端面设有至少一条嵌入挡水槽1310内的第一挡水环154,如此该第一挡水环154插入挡水槽1310中,从而可以有效阻挡水流渗入气流通道14中。提高了排气阀15的防溢水效果。
参照图7,进一步而言,水壶10倾倒后,水流可能会渗过排气管151的外壁而进入气流通道14中,进而引起漏水。在一实施例中,为了避免水流渗过排气管151的外壁,排气管151的侧部设有至少一道朝向容置槽130内侧壁延伸的第二挡水环155。在此,由于排气管151是可转动的,因此,排气管151是与容置槽130的内壁之间不能产生干涉。所以排气管151与容置槽130之间应当预留间隙,而水流就可通过该间隙进入气流通道14中,因此,设置第二挡水环155后,第二挡水环155对水流产生阻力,可以减缓水流进入气流通道14的速率,从而为用户将水壶10扶起赢得时间。当然,为了进一步减缓水流渗入气流通道14内的速率,可以增设两道、三道或三道以上的第二挡水环155。
上一实施例述及了水壶10倾倒180°时,排气管151周围的位置压力较大,水流可能会在较短的时间渗入气流通道14内,造成漏水的事故,在另一较佳实施例中,为了减缓水流渗入气流通道14的速率,或者是为了避免水流渗入水流通道内,排气管151内设有密封重锤156,密封重锤156在排气管151倾斜角度大于90度时,自排气管151的封闭端朝排气管151的开口端移动,以密闭容置槽130封闭端的排气孔131。
参照图6a,在上一实施例的基础上,考虑到密封重锤156不能将排气管151堵塞,否则会导致排气管151排气不通畅。所以在本实施例中,排气管151的内壁上设有导气机构,导气机构在密封重锤156和排气管151内壁之间形成导气通道。在此,该导气机构可以是设置在排气管151内壁的凸起,例如圆形凸起或筋条1511,还可以是设置于排气管内壁的导流槽。在此,导气机构优选为多个沿排气管轴向延伸且沿排气管周向分布的筋条1511,相邻的筋条1511之间形成导气通道。
上述实施例中,密封重锤156可以是多种形状,只要能够在水壶倾倒时能够将排气孔131封堵即可。例如,密封重,156呈柱状或球状设置,如此,密封重锤156在排气管151内的移动阻力较小,移动更顺畅。
在另一较佳实施例中,为了提高排气管151的上端与排气孔131的周边的密封性,下盖板12和排气管151封闭端的端面之间设有弹性件159,弹性件159环绕设置在排气管151下端面的转轴157设置(在此以转动安装部为转轴157为例进行说明)。如此,水壶10在倾倒时,弹性件159可以迅速将排气管151顶起,以使排气管151的上端与排气孔131的周边密封,从而提高该排气阀15的防溢效果。在此,弹性件159可以是弹簧,也可以是橡胶垫,也可以是弹片。当然,在此弹性件159优选不锈钢弹簧。
设置弹簧之后,虽然可以使排气管151的上端与排气孔131的周边密封,但是同时增大了排气管151自身转动的摩擦力矩。在此,由于弹簧与排气管151下端抵接,排气管151受到的主要摩擦力即来自弹簧。
所以,弹簧不能将排气管151抵压过紧,否则,当水壶10倾倒后,弹簧对排气管151的摩擦力偏大,或者弹簧与下盖板12之间的摩擦力偏大,从而导致蒸汽阀15转动不顺畅。在上述配重件152、进气管153的参数的基础上,该弹簧的内径D∈[10mm,20mm],总圈数n∈[4,12],劲度系数k∈[10g/mm,40g/mm],质量m3∈[0.3g,1.5g]。如此,可保障蒸汽阀15的正常转动。
参照图6a,在上一实施例的基础上,考虑到弹性件159长期受压,可能导致弹性件159的弹性功能减弱或失效。于本实施中,排气管151上设有自其封闭端的端面伸出的套管158,套管158呈环绕弹性件159设置。如此,即便弹性件159受到压力过大,在套管158支撑作用下,弹性件159不易发生永久性形变。
上述内容中主要述及蒸汽阀15和壶盖10的改进,在下述内容中将对壶盖10a与壶身10b的配合关系作进一步介绍:
参照图2和图3,壶盖10a是安装于壶身10b的,壶身10b上端是敞口的,壶盖10a是将壶身10b的敞口端密封的。在一较佳实施例中,下盖板12和壶身10b之间设有密封圈19,壶盖10a通过密封圈19与壶身10b的内壁密封连接。另外,为了保证壶盖10a与壶身10b连接强度,壶盖10a和壶身10b通过卡扣结构连接,该卡扣结构包括设置在壶盖10a上可伸缩的扣钩和设置在壶身10b内壁上的卡槽。当将壶盖10a安装于壶身10b时,扣钩受到抵压而变形,当扣钩伸入卡槽时,扣钩恢复形变,进而与卡槽配合,从而将壶盖10a限位于壶身10b。
第三方面,鉴于,蒸汽阀是可自由旋转的,所以,为了进一步提高防溢效果,在本实施例中,蒸汽阀15包括排气管151,配重件152和进气管153。其中,所述排气管151呈一端开口另一端封闭状,排气管151的外表面设有水密封结构,水密封结构至少包括设置在排气管151外侧壁的第一挡水环154和/或设置在排气管151开口端端面的第二挡水环155,排气管151上还设置有供排气管151绕其轴向转动的自由转动部。
进气管153连接排气管151,与排气管151连通,且沿排气管151的侧向延伸。配重件152连接排气管151,并沿排气管151的侧向延伸。配重件152与进气管153在排气管151周向上的夹角α大于90°小于等于180°,且配重件152绕所述自由转动部转动的重力矩大于所述进气管153绕所述自由主动部转动的重力矩。
具体而言,排气管151包括一管体和一端板,该管体的上端开口,下端由该端板密封。配重件152可以安装在排气管151的侧壁,也可以安装在排气管151的下端;同样,进气管153可以安装在排气管151的侧壁,也可以安装在排气管151的下端。当然,为了便于安装,将进气管153和配重件152均安装在排气管151的侧壁为优选实施例。下述内容将以进气管153和配重件152均安装在排气管151的侧壁为例进行阐述。
管体的侧壁开设有一排气口1510,该排气口1510处安装进气管153,该进气管153通过该排气口1510与管体连通。
配重件152是设置在排气管151的侧壁的,配重件152可以是固定连接于排气管151的,例如焊接、配重件152与排气管151一体成型;配重件152还可以是与排气管151可拆卸连接的,例如配重件152与排气管151通过螺接件连接。配重件152与进气管153在排气管151的周向呈夹角设置。另外,配重件152质量较大,一般采用金属件,例如,不锈钢或铜等密度较大的材料。排气管151和进气管153可以采用塑料,也可以采用金属件。
自由转动部是安装于壶盖10a内的转动安装部的。自由转动部可以是属于管体的一部分,例如管体的上端部、中部或下端部,转动安装部为一套环,管体设置于该套环中;自由转动部也可以是设置于排气管151的下端面的第一转轴157,该第一转轴157与排气管151同轴设置,转动安装部为设置于下盖板12的第一轴孔。自由转动部还可以为设置在排气管151封闭端的第二轴孔(盲孔),转动安装部为设置在下盖板12上嵌入轴孔的第二转轴;自由转动部还可是套设在排气管151侧壁的轴承,转动安装部是设置于容置槽130内的轴承孔,该轴承固定于轴承孔中。
当水壶10倒地时,壶盖10a相对于正常状态翻转了90°,由于配重件152的重力矩大于进气管153的重力矩,因此,在配重件152的作用下,自由转动部相对于转动安装部发生旋转,最终配重件152处于液面最下方,进气管153的位置被抬高,水壶10中的水不易进入进气管153。
在此,配重件152的重力矩M1=G1×L1,进气管153的重力矩M2=G2×L2
。其中,G1为配重件152的重量,L1为配重件152的重心与排气管151的轴心的垂直距离;G2为进气管153的重量,L2为进气管153的重心与排气管151的轴心的垂直距离。在此,只要满足M1>M2,液体加热容器倾倒时(倾倒90°),蒸汽阀15即可旋转,配重件152向下转动,排气管153被抬高。
配重件152与进气管153在排气管151的周向上的夹角为α,在此90°< α ≤180°,这是因为,如果0°< α ≤90°,那么如果水壶10倾倒后,水壶10中的水位高于蒸汽气阀15,那么水便可以沿进气管153进入排气管151中,所以,当 90°< α ≤180°时,即便如果水壶10倾倒后,水壶10中的水位也难以将进气管153全部淹没,进气管153的末端是可以延伸到水位上方的,如此,水流不会轻易由进气管153进入排气管151中,防溢效果较好。
另外,第一挡水环154和第二挡水环155是凸设于排气管151的外表面的,无论是设置第一挡水环154还是第二挡水环155,都可有效防止水壶在倾倒时,水流从蒸汽阀15与容置槽130之间渗透而流入蒸汽通道14中。第一挡水环154和第二挡水环155可以是连续的,也可以是非连续的。
在一较佳实施例中,第一挡水环154为多个,且均沿排气管151的轴向逐一排布。如此,当将蒸汽阀15安装于壶盖10a时,由于第一挡水环154的存在,排气管151的侧表面与容置槽130的侧壁面接触面积降低,从而在排气管151旋转时,排气管151与容置槽130侧壁面的干涉作用力降低,从而降低了蒸汽阀15转动的阻力。同样,考虑到蒸汽阀15的旋转,第二挡水环155有多个,且沿排气管151的径向分布,如此,也可降低蒸汽阀15转动的阻力。
另外,当水壶10倾倒时,水流可以进入排气管151与容置槽130的侧壁面之间,也正是由于第一挡水环154和/或第二挡水环155的存在,所以,只有水流将两第一挡水环154和/或两第二挡水环155之间的槽缝完全淹没,水流才可越过第一挡水环154和/或第二挡水环155,从而提高了防溢效果。
在另一较佳实施例中,为了使蒸汽阀15的防溢效果进一步提升,水密封机构与容置槽130内壁之间形成密闭空间的容积之和为V0,排气管151与容置槽130的侧壁面之间的总容积为V1,V0/V1∈[0.5,0.95]。在此,第一挡水环154和/或第二挡水环155所占体积为V2,V1= V2 +V0。蒸汽阀15在容置槽130中是可旋转的,因此,容置槽130的侧壁面与排气管151的侧表面之间具有一定的间隙,以避免二者之间因摩擦力而造成较大干涉作用。在此,V0/V1的值接近0.5时,也就是第一挡水环154和/或第二挡水环155的体积之和占据了容置槽剩余空间的50%左右,此时容置槽130的侧壁面与排气管151的侧表面之间的间相对较大,蒸汽阀15的转动效果较佳,但是第一挡水环154和/或第二挡水环155的挡水效果相对减弱。当V0/V1的值接近0.95时,也就是第一挡水环154和/或第二挡水环155的容积占据了整个容置槽130的5%剩余空间,如此,容置槽130的侧壁面与排气管151的侧表面之间的间相对较小,蒸汽阀15的转动阻力增大,但是第一挡水环154和/或第二挡水环155的挡水效果相对增强。在此,V0/V1的值可以取0.6、0.7、0.8、0.9等,当然,要使蒸汽阀15的转动顺畅,第一挡水环154和/或第二挡水环155的挡水效果也较佳,V0/V1的值优先0.75至0.85。
参照图3、图4b、图6b,上述实施例中,配重件152与进气管153在排气管151的周向上的夹角为α范围较广,90°< α ≤180°,在此,如果α 偏小,那么当水壶10倾倒后,水壶10中的水位可能会高于进气管153的末端,进而可能从进气管153的末端进入排气管151中,因此上述实施例中的出水阀18防溢水效果一般。在一较佳实施例中,为了提高出水阀18的防溢水效果,配重件152的延伸方向与进气管153的延伸方向之间的夹角为α,其中170°≤ α ≤180°。如此,即便如果水壶10倾倒后,水壶10中的水位难以将进气管153的末端淹没,如此,水流不会由进气管153进入排气管151中,防溢效果得到加强。
在上一实施例的基础上,为了使蒸汽阀15的防溢水效果最佳,α =180°,也即是配重件152与进气管153分别布设于排气管151的相对两侧。
水壶10倾倒瞬间,壶身10b中的水很快就会进入壶盖10a,进而由进气管153进入排气管151中,如果蒸汽阀15旋转速度过慢,那么,还未等排气管153转动至最高位置时,水流就会进入排气管153中(即便是相差0.1秒,也会有较多的水流进入排气管中),进而导致壶盖10溢水。
参照图3和图4b,上述实施例中,进气管153可以是圆管,可以是方管,还可以是其它形状的管体,显然,上述几种类型的管体在转动方向上与空气接触面积较大,受到的空气阻力也较大。在本实施例中,进气管153呈扁平状设置。如此,当水壶10倾倒时,进气管153可以以最快速度旋转至最高位置,从而避免水流进入进气管153中。
另外,考虑到壶盖10a的半径一般在5cm至8cm,所以进气管153的长度也应有所限制。如果进气管153过长,进气管153易与其它结构产生干涉,进而导致蒸汽阀15整体转动不便。如果进气管153过短,液体加热容器10倾倒后,进气管153的末端可能被水淹没。在本实施例中,进气管153的长度在3cm至5cm之间为较佳实施方式。
考虑到进气管153与排气管151连接的密封性,进气管153与排气管151可以采用一体成型设置,如此,二者之间的连接处密封性更好,不易漏气或漏水。
进气管153和配重件152均可以安装在排气管151侧壁的任意位置,二者可以在上下向具有高度差,二者也可以在同一个旋转平面上。在一实施例中优选二者处于同一旋转平面。这是因为,如果二者处于不同的旋转平面,在此以配重件152靠上设置,进气管153靠下设置为例进行阐述。当配重件转152动时,需要排气管151将配重件152的重力矩传递给进气管153,在此过程中,排气管151会对配重件152的旋转产生阻力,从而会使进气管153转动至最佳位置延迟。而当二者处于同一旋转平面时,排气管151产生的阻力较小,进气管153可迅速旋转至最高位置。
配重件152是设置在排气管151的侧壁的,配重件152可以是固定连接于排气管151的,例如焊接、配重件152与排气管151一体成型;配重件152还可以是于排气管151可拆卸连接的;排气管151为塑料件,配重件152为金属件,配重件152通过二次注塑固定在排气管151上。在一较佳实施例中,为了便于配重件152的安装、拆卸或更换,配重件152与排气管151的连接方式优选可拆卸连接。具体的,排气管151的侧壁设有凸台1512,配重件(152)安装于凸台1512上。在排气管151的侧壁设置凸台1512,通过凸台1512与配重件152连接对排气管151具有保护作用,如果配重件152直接安装在排气管151的侧壁,那么配重件152的安装可能导致排气管151漏气或变形。
继续参照图3和图4b,在另一较佳实施例中,配重件152呈扇形状,其圆心端连接排气管151。这是因为,一方面,扇形的配重件152加工较方便,成本较低;另一方面,扇形设置的配重件152在旋转时阻力较小,旋转速度较快,可以将进气管153迅速抬高。
参照图2和图8b,水壶10倾倒存在两种情况,第一种情况是水壶10倾倒90°,第二种是水壶10倾倒角度大于90°,例如180°。倾倒90°时,水流在排气管151周围的位置压力较小,水流难以在较短时间渗入气流通道14内。但是水壶10倾倒180°时,排气管151周围的位置压力较大,水流可能会在较短的时间渗过排气管151的开口端的端面而由排气孔131进入蒸汽通道14中,造成漏水的事故。在一较佳实施例中,为了避免上述情况,容置槽130封闭端的端面设有至少一条挡水槽1310,排气管151开口端的端面设有至少一条嵌入挡水槽1310内的第二挡水环155,如此该第二挡水环155插入挡水槽1310中,从而可以有效阻挡水流渗入气流通道14中。提高了蒸汽阀15的防溢水效果。
上一实施例述及了水壶10倾倒180°时,排气管151周围的位置压力较大,水流可能会在较短的时间渗入气流通道14内,造成漏水的事故,在另一较佳实施例中,为了减缓水流渗入气流通道14的速率,或者是为了避免水流渗入水流通道内,排气管151内设有密封重锤156,密封重锤156在排气管151倾斜角度大于90度时,自排气管151的封闭端朝排气管151的开口端移动,以密闭容置槽130封闭端的排气孔131。
参照图6b,在上一实施例的基础上,考虑到密封重锤156不能将排气管151堵塞,否则会导致排气管151排气不通畅。所以在本实施例中,排气管151的内壁上设有设有导气机构,导气机构在密封重锤156和排气管151内壁之间形成导气通道。在此,该导气机构可以是设置在排气管151内壁的凸起,例如圆形凸起或筋条1511,还可以是设置于排气管内壁的导流槽。在此,导气机构优选为多个沿排气管轴向延伸且沿排气管周向分布的筋条1511,相邻的筋条1511之间形成导气通道。
上述实施例中,密封重锤156可以是多种形状,只要能够在水壶倾倒时能够将排气孔131封堵即可。例如,密封重,156呈柱状或球状设置,如此,密封重锤156在排气管151内的移动阻力较小,移动更顺畅。密封重锤156可以为不锈钢、陶瓷或玻璃等较常见的材料,如此可以降低制造成本。另外,由于壶盖内部体积有限,所以密封重锤156的质量不能过大,过大会在一定程度上增加密封重锤156的体积,容易引起干涉。密封重锤156的质量也不易过小,否则会影响蒸汽阀15转动的响应速度,不利于防溢。
在另一较佳实施例中,为了提高排气管151的上端与排气孔131的周边的密封性,下盖板12和排气管151封闭端的端面之间设有弹性件159,弹性件159环绕设置在排气管151下端面的转轴157设置。如此,水壶10在倾倒时,弹性件159可以迅速将排气管151顶起,以使排气管151的上端与排气孔131的周边密封,从而提高该蒸汽阀15的防溢效果。在此,弹性件159可以是弹簧,也可以是橡胶垫,也可以是弹片。当然,在此弹性件159优选弹簧。
参照图6b,在上一实施例的基础上,考虑到弹性件159长期受压,可能导致弹性件159的弹性功能减弱或失效。于本实施中,排气管151上设有自其封闭端的端面伸出的套管158,套管158呈环绕弹性件159设置。如此,即便弹性件159受到压力过大,在套管158支撑作用下,弹性件159不易发生永久性形变。
第四方面,考虑到进气管153对蒸汽的传导效果,进气管153的横截面积不能偏小,否则,当水壶中的水沸腾时,蒸汽在进气管153中的传导速率较慢,不能顺畅地流向液体加热容器10底部的温控器,影响水壶10的断电响应速度,如此便或导致水壶10在一段时间内继续加热,从而导致水壶10中的的水爆沸,水壶内的气压偏大,存在安全隐患。壶盖内部空间有限,所以,进气管的横截面积也不能偏大,否则当进气管转动时,易与壶盖内其他结构,或壶盖内壁干涉,从而引起蒸汽阀整体转动受阻,不利于防溢。所以,在本实施例中,进气管153的横截面积需要有所限制,其横截面积S∈[20 mm2,120mm2]。
参照图3、图4a、图5a、图6a,上述实施例中,配重件152与进气管153在排气管151的周向上的夹角为α范围较广,90°< α ≤180°,在此,如果α 偏小,那么当液体加热容器10倾倒后,液体加热容器10中的水位可能会高于进气管153的末端,进而可能从进气管153的末端进入排气管151中,因此上述实施例中的出水阀18防溢水效果一般。在一较佳实施例中,为了提高出水阀18的防溢水效果,所述配重件152的延伸方向与所述进气管153的延伸方向之间的夹角为α,其中170°≤ α ≤180°。如此,即便如果液体加热容器10倾倒后,液体加热容器10中的水位难以将进气管153的末端淹没,如此,水流不会由进气管153进入排气管151中,防溢效果得到加强。
在上一实施例的基础上,为了使蒸汽阀15的防溢水效果最佳,α =180°,也即是配重件152与所述进气管153分别布设于所述排气管151的相对两侧。
水壶10倾倒瞬间,壶身10b中的水很快就会进入壶盖10a,进而由进气管153进入排气管151中,如果蒸汽阀15旋转速度过慢,那么,还未等排气管153转动至最高位置时,水流就会进入排气管153中(即便是相差0.1秒,也会有较多的水流进入排气管中),进而导致壶盖10溢水。
参照图3和图4a,上述实施例中,进气管153可以是圆管,可以是方管,还可以是其它形状的管体,显然,上述几种类型的管体在转动方向上与空气接触面积较大,受到的空气阻力也较大。在本实施例中,进气管153呈扁平状设置。如此,当水壶10倾倒时,进气管153可以以最快速度旋转至最高位置,从而避免水流进入进气管153中。
另外,考虑到壶盖10a的半径一般在5cm至8cm,所以进气管153的长度也应有所限制。如果进气管153过长,进气管153易与其它结构产生干涉,进而导致蒸汽阀15整体转动不便。如果进气管153过短,液体加热容器10倾倒后,进气管153的末端可能被水淹没。在本实施例中,所述进气管153的长度在3cm至5cm之间为较佳实施方式。
考虑到进气管153与排气管151连接的密封性,进气管153与排气管151可以采用一体成型设置,如此,二者之间的连接处密封性更好,不易漏气或漏水。
进气管153和配重件152均可以安装在排气管151侧壁的任意位置,二者可以在上下向具有高度差,二者也可以在同一个旋转平面上。在一实施例中优选二者处于同一旋转平面。这是因为,如果二者处于不同的旋转平面,在此以配重件152靠上设置,进气管153靠下设置为例进行阐述。当配重件转152动时,需要排气管151将配重件152的重力矩传递给进气管153,在此过程中,排气管151会对配重件152的旋转产生阻力,从而会使进气管153转动至最佳位置延迟。而当二者处于同一旋转平面时,排气管151产生的阻力较小,进气管153可迅速旋转至最高位置。
配重件152是设置在排气管151的侧壁的,配重件152可以是固定连接于排气管151的,例如焊接、配重件152与排气管151一体成型;配重件152还可以是于排气管151可拆卸连接的;排气管151为塑料件,配重件152为金属件,所述配重件152通过二次注塑固定在所述排气管151上。在一较佳实施例中,为了便于配重件152的安装、拆卸或更换,配重件152与排气管151的连接方式优选可拆卸连接。具体的,排气管151的侧壁设有凸台1512,所述配重件(152)安装于所述凸台1512上。在排气管151的侧壁设置凸台1512,通过凸台1512与配重件152连接对排气管151具有保护作用,如果配重件152直接安装在排气管151的侧壁,那么配重件152的安装可能导致排气管151漏气或变形。
继续参照图3和图4a,在另一较佳实施例中,所述配重件152呈扇形状,其圆心端连接所述排气管151。这是因为,一方面,扇形的配重件152加工较方便,成本较低;另一方面,扇形设置的配重件152在旋转时阻力较小,旋转速度较快,可以将进气管153迅速抬高。
参照图2和图8a,水壶10倾倒存在两种情况,第一种情况是水壶10倾倒90°,第二种是水壶10倾倒角度大于90°,例如180°。倾倒90°时,水流在排气管151周围的位置压力较小,水流难以在较短时间渗入气流通道14内。但是水壶10倾倒180°时,排气管151周围的位置压力较大,水流可能会在较短的时间渗过排气管151的开口端的端面而由排气孔131进入蒸汽通道14中,造成漏水的事故。在一较佳实施例中,为了避免上述情况,所述容置槽130封闭端的端面设有至少一条挡水槽1310,所述排气管151开口端的端面设有至少一条嵌入所述挡水槽1310内的第一挡水环154,如此该第一挡水环154插入所述挡水槽1310中,从而可以有效阻挡水流渗入气流通道14中。提高了蒸汽阀15的防溢水效果。
参照图7,进一步而言,水壶10倾倒后,水流可能会渗过排气管151的外壁而进入气流通道14中,进而引起漏水。在一实施例中,为了避免水流渗过排气管151的外壁,所述排气管151的侧部设有至少一道朝向所述容置槽130内侧壁延伸的第二挡水环155。在此,由于排气管151是可转动的,因此,排气管151是与容置槽130的内壁之间不能产生干涉。所以排气管151与容置槽130之间应当预留间隙,而水流就可通过该间隙进入气流通道14中,因此,设置第二挡水环155后,第二挡水环155对水流产生阻力,可以减缓水流进入气流通道14的速率,从而为用户将水壶10扶起赢得时间。当然,为了进一步减缓水流渗入气流通道14内的速率,可以增设两道、三道或三道以上的第二挡水环155。
上一实施例述及了水壶10倾倒180°时,排气管151周围的位置压力较大,水流可能会在较短的时间渗入气流通道14内,造成漏水的事故,在另一较佳实施例中,为了减缓水流渗入气流通道14的速率,或者是为了避免水流渗入水流通道内,所述排气管151内设有密封重锤156,所述密封重锤156在所述排气管151倾斜角度大于90度时,自所述排气管151的封闭端朝所述排气管151的开口端移动,以密闭所述容置槽130封闭端的排气孔131。
参照图6a,在上一实施例的基础上,考虑到密封重锤156不能将排气管151堵塞,否则会导致排气管151排气不通畅。所以在本实施例中,所述排气管151的内壁上设有导气机构,所述导气机构在所述密封重锤156和所述排气管151内壁之间形成导气通道。在此,该导气机构可以是设置在排气管151内壁的凸起,例如圆形凸起或筋条1511,还可以是设置于排气管内壁的导流槽。在此,所述导气机构优选为多个沿所述排气管轴向延伸且沿所述排气管周向分布的筋条1511,相邻的筋条1511之间形成所述导气通道。
上述实施例中,密封重锤156可以是多种形状,只要能够在水壶倾倒时能够将排气孔131封堵即可。例如,密封重,156呈柱状或球状设置,如此,密封重锤156在排气管151内的移动阻力较小,移动更顺畅。
在另一较佳实施例中,为了提高排气管151的上端与排气孔131的周边的密封性,所述下盖板12和所述排气管151封闭端的端面之间设有弹性件159,所述弹性件159环绕设置在排气管151下端面的转轴157设置。如此,水壶10在倾倒时,弹性件159可以迅速将排气管151顶起,以使排气管151的上端与排气孔131的周边密封,从而提高该蒸汽阀15的防溢效果。在此,弹性件159可以是弹簧,也可以是橡胶垫,也可以是弹片。当然,在此弹性件159优选弹簧。
参照图6a,在上一实施例的基础上,考虑到弹性件159长期受压,可能导致弹性件159的弹性功能减弱或失效。于本实施中,所述排气管151上设有自其封闭端的端面伸出的套管158,所述套管158呈环绕所述弹性件159设置。如此,即便弹性件159受到压力过大,在套管158支撑作用下,弹性件159不易发生永久性形变。
以上所述仅为本发明的优选实施例,并非因此限制本发明的专利范围,凡是在本发明的发明构思下,利用本发明说明书及附图内容所作的等效结构变换,或直接/间接运用在其他相关的技术领域均包括在本发明的专利保护范围内。

Claims (72)

  1. 一种蒸汽阀,其特征在于,包括:
    排气管,呈一端开口另一端封闭状,所述排气管上设置有供所述排气管绕其轴向转动的自由转动部;
    进气管,与所述排气管连通,且沿所述排气管的侧向延伸;
    配重件,连接所述排气管,并沿所述排气管的侧向延伸;
    所述配重件与所述进气管在排气管周向上的夹角α大于90°小于等于180°,且所述配重件绕所述自由转动部转动的重力矩大于所述进气管绕所述自由转动部转动的重力矩。
  2. 如权利要求1所述的蒸汽阀,其特征在于,所述进气管呈扁平状设置。
  3. 如权利要求1所述的蒸汽阀,其特征在于,所述进气管的长度在3cm至5cm之间。
  4. 如权利要求1所述的蒸汽阀,其特征在于,所述进气管与所述排气管一体成型。
  5. 如权利要求1所述的蒸汽阀,其特征在于,所述进气管沿所述排气管的径向向外延伸,且与所述配重件在同一个旋转平面上。
  6. 如权利要求1所述的蒸汽阀,其特征在于,所述配重件与所述进气管在排气管的周向上的夹角α大于等于170°小于等于180°。
  7. 如权利要求1所述的蒸汽阀,其特征在于,所述排气管的侧壁设有凸台,所述配重件可拆卸安装于所述凸台上。
  8. 如权利要求1所述的蒸汽阀,其特征在于,所述排气管为塑料件,所述配重件为金属件,所述配重件通过二次注塑固定在所述排气管上。
  9. 如权利要求1所述的蒸汽阀,其特征在于,所述配重件呈扇形状,其圆心端连接所述排气管。
  10. 如权利要求1所述的蒸汽阀,其特征在于,所述排气管的外表面设有水密封结构,所述水密封结构至少包括设置在所述排气管外侧壁的第一挡水环和/或设置在所述排气管开口端端面的第二挡水环。
  11. 如权利要求10所述的蒸汽阀,其特征在于,所述第一挡水环为多个,且沿所述排气管的轴向逐一排布。
  12. 如权利要求10所述的蒸汽阀,其特征在于,所述第二挡水环有多个,且沿所述排气管的径向分布。
  13. 如权利要求1所述的蒸汽阀,其特征在于,所述进气管的横截面积S∈[20 mm2,120mm2]。
  14. 如权利要求13所述的蒸汽阀,其特征在于,所述进气管的长度L0∈[20mm,60mm]。
  15. 如权利要求13所述的蒸汽阀,其特征在于,所述进气管呈扁平状设置。
  16. 如权利要求15所述的蒸汽阀,其特征在于,所述进气管的横截面呈椭圆设置。
  17. 如权利要求13所述的蒸汽阀,其特征在于,所述排气管的开口端和/或所述自由转动部上设置有耐磨层。
  18. 一种壶盖,其特征在于,包括盖本体、位于所述盖本体上下两端的上盖板和下盖板,以及如权利要求1所述的蒸汽阀;所述盖本体上设有一端与所述排气管开口端连通,另一端与外部连通的蒸汽通道,所述壶盖内设有供所述自由转动部安装的转动安装部。
  19. 如权利要求18所述的壶盖,其特征在于,所述进气管呈扁平状设置。
  20. 如权利要求18所述的壶盖,其特征在于,所述进气管的长度在3cm至5cm之间。
  21. 如权利要求18所述的壶盖,其特征在于,所述进气管与所述排气管一体成型。
  22. 如权利要求18所述的壶盖,其特征在于,所述进气管沿所述排气管的径向向外延伸,且与所述配重件在同一个旋转平面上。
  23. 如权利要求18所述的壶盖,其特征在于,所述配重件与所述进气管在排气管的周向上的夹角α大于等于170°小于等于180°。
  24. 如权利要求18所述的壶盖,其特征在于,所述排气管的侧壁设有凸台,所述配重件可拆卸安装于所述凸台上。
  25. 如权利要求18所述的壶盖,其特征在于,所述排气管为塑料件,所述配重件为金属件,所述配重件通过二次注塑固定在所述排气管上。
  26. 如权利要求18所述的壶盖,其特征在于,所述配重件呈扇形状,其圆心端连接所述排气管。
  27. 如权利要求18所述的壶盖,其特征在于,所述盖本体上设有收容所述蒸汽阀的容置槽,所述容置槽呈一端封闭另一端开口的筒状,所述排气管的开口端端面抵接在所述容置槽的封闭端端面,所述容置槽的封闭端端面设有连通所述排气管和所述蒸汽通道的排气孔。
  28. 如权利要求27所述的壶盖,其特征在于,所述容置槽封闭端的端面设有至少一条挡水槽,所述排气管开口端的端面设有至少一条嵌入所述挡水槽内的第一挡水环。
  29. 如权利要求27所述的壶盖,其特征在于,所述排气管的侧部设有至少一道朝向所述容置槽内侧壁延伸的第二挡水环。
  30. 如权利要求18所述的壶盖,其特征在于,所述排气管内设有密封重锤,所述密封重锤在所述排气管倾斜角度大于90度时,自所述排气管的封闭端朝所述排气管的开口端移动,以密闭所述容置槽封闭端的排气孔。
  31. 如权利要求30所述的壶盖,其特征在于,所述排气管的内壁上设有导气机构,所述导气机构在所述密封重锤和所述排气管内壁之间形成导气通道。
  32. 如权利要求31所述的壶盖,其特征在于,所述导气机构为多个沿所述排气管轴向延伸且沿所述排气管周向分布的筋条,相邻的筋条之间形成所述导气通道。
  33. 如权利要求30所述的壶盖,其特征在于,所述密封重锤呈柱状或者球状设置。
  34. 如权利要求18所述的壶盖,其特征在于,所述自由转动部为设置于所述排气管封闭端的端面的转轴,所述转动安装部为设置于所述下盖板的轴孔,所述转轴插入所述轴孔而是所述蒸汽阀转动安装于所述下盖板。
  35. 如权利要求34所述的壶盖,其特征在于,所述下盖板和所述排气管封闭端的端面之间设有弹性件,所述弹性件环绕所述转轴设置。
  36. 如权利要求35所述的壶盖,其特征在于,所述排气管上设有自其封闭端面伸出的套管,所述套管呈环绕所述弹性件设置。
  37. 如权利要求18所述的壶盖,其特征在于,所述盖本体上还设有出水阀、收容所述出水阀的第二容置槽,以及连通所述出水阀和外部的出水通道,所述蒸汽通道与所述出水通道连通。
  38. 如权利要求18所述的壶盖,其特征在于,所述自由转动部为设置在所述排气管封闭端的轴孔,所述转动安装部为设置在所述下盖板上嵌入轴孔的转轴;或者所述自由转动部为设置在所述排气管开口端的轴承,所述转动安装部为设置在所述盖本体上的安装所述轴承的轴承孔。
  39. 如权利要求18所述的壶盖,其特征在于,所述排气管的外表面设有水密封结构,所述水密封结构至少包括设置在所述排气管外侧壁的第一挡水环和/或设置在所述排气管开口端端面的第二挡水环。
  40. 如权利要求39所述的壶盖,其特征在于,所述第一挡水环为多个,且沿所述排气管的轴向逐一排布。
  41. 如权利要求39所述的壶盖,其特征在于,所述第二挡水环有多个,且沿所述排气管的径向分布。
  42. 如权利要求39所述的壶盖,其特征在于,所述盖本体上设有收容所述蒸汽阀的容置槽,所述容置槽呈一端封闭另一端开口的筒状,所述排气管的开口端端面抵接在所述容置槽的封闭端端面,所述容置槽的封闭端端面设有连通所述排气管和所述蒸汽通道的排气孔。
  43. 如权利要求42所述的壶盖,其特征在于,所述水密封机构与所述容置槽内壁之间形成密闭空间的容积之和为V0,所述排气管与所述容置槽的内壁之间的总容积为V1,V0/V1∈[0.5,0.95]。
  44. 如权利要求43所述的壶盖,其特征在于,所述容置槽封闭端的端面设有至少一条挡水槽,所述第二挡水环嵌入所述挡水槽内。
  45. 如权利要求42所述的壶盖,其特征在于,所述排气管内设有密封重锤,所述密封重锤在所述排气管倾斜至预设角度时,自所述排气管的封闭端朝所述排气管的开口端移动,以密闭所述容置槽封闭端的排气孔。
  46. 如权利要求45所述的壶盖,其特征在于,所述排气管的内壁上设有筋条,所述筋条在所述密封重锤和所述排气管内壁之间形成导气通道。
  47. 如权利要求39所述的壶盖,其特征在于,所述自由转动部为设置于所述排气管封闭端的端面的第一转轴,所述转动安装部为设置于所述下盖板的第一轴孔,所述第一转轴直接插入所述第一轴孔而使所述蒸汽阀转动安装于所述下盖板;或者所述排气管的封闭端设有第二轴孔,所述转动安装部为设置在所述下盖板上嵌入所述第二轴孔的第二转轴。
  48. 如权利要求47所述的壶盖,其特征在于,所述下盖板和所述排气管封闭端的端面之间设有弹性件,所述弹性件环绕所述第一转轴设置。
  49. 如权利要求39所述的壶盖,其特征在于,所述盖本体上还设有出水阀、收容所述出水阀的第二容置槽,以及连通所述出水阀和外部的出水通道,所述蒸汽通道与所述出水通道连通。
  50. 如权利要求18所述的壶盖,其特征在于,所述进气管的横截面积S∈[20 mm2,120mm2]。
  51. 如权利要求50所述的壶盖,其特征在于,所述进气管的长度L0∈[20mm,60mm]。
  52. 如权利要求50所述的壶盖,其特征在于,所述进气管呈扁平状设置。
  53. 如权利要求52所述的壶盖,其特征在于,所述进气管的横截面呈椭圆设置。
  54. 如权利要求50所述的壶盖,其特征在于,所述排气管的开口端和/或所述自由转动部上设置有耐磨层。
  55. 如权利要求50所述的壶盖,其特征在于,所述盖本体上设有收容所述蒸汽阀的容置槽,所述容置槽呈一端封闭另一端开口的筒状,所述排气管的开口端端面抵接在所述容置槽的封闭端端面,所述容置槽的封闭端端面设有连通所述排气管和所述蒸汽通道的排气孔。
  56. 如权利要求50所述的壶盖,其特征在于,所述进气管的长度L0,所述下盖板的半径为R,L0/R∈[0.6,0.9]。
  57. 如权利要求50所述的壶盖,其特征在于,所述转动安装部上设置有耐磨层。
  58. 如权利要求18所述的壶盖,其特征在于,所述配重件绕所述自由转动部转动的重力矩大于所述进气管绕所述自由转动部转动的重力矩及所述排气管自转时与所述盖本体之间的摩擦力矩之和。
  59. 如权利要求58所述的壶盖,其特征在于,所述配重件的质量m1大于等于10g且小于等于50g。
  60. 如权利要求58所述的壶盖,其特征在于,所述进气管的质量m2大于等于5g小于等于20g。
  61. 如权利要求58所述的壶盖,其特征在于,所述配重件的重量为G1,所述进气管的重量为G2,G1/G2∈[0.5,12]。
  62. 如权利要求61所述的壶盖,其特征在于,G1/G2∈[1,10]。
  63. 如权利要求58所述的壶盖,其特征在于,所述配重件的重心与所述排气管的轴线之间的间距为L1,所述进气管的重心与所述排气管的轴线之间的间距为L2,L1/L2∈[2,20]。
  64. 如权利要求63所述的壶盖,其特征在于,L1/L2∈[4,15]。
  65. 如权利要求58所述的壶盖,其特征在于,所述盖本体具有上盖板、下盖板和支架,所述支架位于所述上盖板和下盖板之间,且设有收容所述蒸汽阀的容置槽,所述容置槽呈一端封闭另一端开口的筒状,所述排气管的开口端端面抵接在所述容置槽的封闭端端面,所述容置槽的封闭端端面设有连通所述排气管和所述蒸汽通道的排气孔。
  66. 如权利要求65所述的壶盖,其特征在于,所述下盖板和所述排气管封闭端的端面之间设有弹性件。
  67. 如权利要求66所述的壶盖,其特征在于,所述弹性件为弹簧,该弹簧的内径D∈[10mm,20mm],总圈数n∈[4,12],劲度系数k∈[10g/mm,40g/mm],质量m3∈[0.3g,1.5g]。
  68. 如权利要求66所述的壶盖,其特征在于,所述排气管上设有自其封闭端面伸出的套管,所述套管呈环绕所述弹性件设置。
  69. 如权利要求58所述的壶盖,其特征在于,所述支架上还设有出水阀、收容所述出水阀的第二容置槽,以及连通所述出水阀和外部的出水通道,所述蒸汽通道与所述出水通道连通。
  70. 一种液体加热容器,其特征在于,包括壶身和如权利要求18所述的壶盖,所述壶盖封盖所述壶身,并与所述壶身的内壁密闭连接。
  71. 如权利要求70所述的液体加热容器,其特征在于,所述下盖板和所述盖本体之间设有密封圈,所述壶盖通过所述密封圈与所述壶身的内壁密封连接。
  72. 如权利要求70所述的液体加热容器,其特征在于,所述壶盖和壶身通过卡扣结构连接,所述卡扣结构包括设置在壶盖上可伸缩的扣钩和设置在壶身内壁上的卡槽。
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