CN109259545B

CN109259545B - Heat preservation device

Info

Publication number: CN109259545B
Application number: CN201811145332.3A
Authority: CN
Inventors: 杨廷云
Original assignee: Guangzhou Mather Belle Maternity Infant Product Co ltd
Current assignee: Guangzhou Mather Belle Maternity Infant Product Co ltd
Priority date: 2018-09-29
Filing date: 2018-09-29
Publication date: 2024-08-16
Anticipated expiration: 2038-09-29
Also published as: CN109259545A

Abstract

The invention discloses a heat preservation device, which comprises a head assembly, a liquid temperature-regulating storage cup body and a heat preservation cup body, wherein a two-way switch device for controlling liquid to flow between the liquid temperature-regulating storage cup body and the heat preservation cup body is arranged between the liquid temperature-regulating storage cup body and the heat preservation cup body. By utilizing the heat preservation device, the liquid temperature-regulating storage cup body can directly take hot liquid from the heat preservation cup body and drink after being cooled, if the liquid in the liquid temperature-regulating storage cup body is not used, the liquid can directly flow back into the heat preservation cup body for heat preservation, and meanwhile, the hot liquid flowing into the liquid temperature-regulating storage cup body from the heat preservation cup body can be directly drunk after being mixed with the cooling liquid remained in the liquid temperature-regulating storage cup body to a required temperature, so that the heat preservation device is convenient to use.

Description

Heat preservation device

Technical Field

The invention relates to a heat preservation device, in particular to a heat preservation cup or a heat preservation feeding bottle.

Background

The thermos cup has the function of heat preservation, and people can load hot water when going out to travel, and carry the thermos cup to drink hot water. However, when people need to drink water urgently, the temperature of hot water poured from the vacuum cup is too high to drink immediately, and people can drink the water after waiting for cooling, so that inconvenience is caused. If a normal temperature cup is used, warm water cannot be drunk.

The patent document with the Chinese patent application number 20120120193617. X discloses a thermos cup, and particularly discloses a thermos cup which comprises a shell and an inner container, wherein the inner container is fixed in the shell and comprises an upper cup opening and a lower cup opening, the upper cup opening is covered with an upper inner cover, and the outer part of the upper inner cover is covered with an upper outer cover; the lower cup cover is provided with a lower inner cover, the outer part of the lower inner cover is provided with a lower outer cover, and both the upper inner cover and the lower inner cover are provided with water outlets which can be closed; the inside level of inner bag is fixed with two baffles that distribute from top to bottom, is the vacuum layer between two baffles, and two baffles divide into upper portion and lower part with the inner bag, and is the vacuum layer between the outer wall of upper portion and the shell, the outer wall and the shell of lower part closely laminate. The upper part of the vacuum cup is insulated, the lower part of the vacuum cup is not insulated, when water in the vacuum cup is required to be drunk, hot water and cold water are respectively poured out from the inner container, the hot water and the cold water are mixed, the mixed water can be directly drunk without cooling, and the use convenience of the vacuum cup can be effectively improved. But such an operation is cumbersome and not very convenient. In addition, if there is unused mixed water, the mixed water cannot be quickly poured back into the liner.

In addition, for the existing milk bottles, most of the milk bottles are non-thermal insulation milk bottles, when milk is required to be brewed, hot water in the vacuum bottle or boiled hot water is poured into the milk bottles, and then milk powder is added into the milk bottles for mixing, so that the milk liquid needs to be cooled for a period of time to be drunk by infants, and the waiting time is long. If the above-mentioned disclosed patent document is used for directly brewing milk, the lower part is a non-heat-preserving area, so that the cooled milk liquid is easy to deteriorate in the lower part and cannot be drunk.

Disclosure of Invention

The invention aims to provide a heat preservation device and a heat preservation method, by utilizing the heat preservation device and the heat preservation method, a liquid temperature-regulating storage cup body can directly take hot liquid from a heat preservation cup body and drink after being cooled, if the liquid in the liquid temperature-regulating storage cup body is not used, the liquid can directly flow back into the heat preservation cup body for heat preservation, and meanwhile, the hot liquid flowing into the liquid temperature-regulating storage cup body from the heat preservation cup body can be mixed with cooling liquid remained in the liquid temperature-regulating storage cup body to a required temperature for direct drinking, so that the heat preservation device is convenient to use.

In order to achieve the purpose, the heat preservation device comprises a head assembly, a liquid temperature-regulating storage cup body and a heat preservation cup body, wherein the head assembly is arranged at the upper end of the liquid temperature-regulating storage cup body, and the heat preservation cup body is arranged below the liquid temperature-regulating storage cup body; a two-way switch device for controlling the liquid to flow between the liquid temperature-regulating storage cup body and the heat-preserving cup body is arranged between the liquid temperature-regulating storage cup body and the heat-preserving cup body, and the two-way switch device is connected with the liquid temperature-regulating storage cup body and the heat-preserving cup body;

The heat preservation method of the heat preservation device comprises the following steps: the method comprises the steps of (1) filling heated liquid in a heat preservation cup body, inverting the heat preservation device, and starting a two-way switch device to enable part or all of the heated liquid in the heat preservation cup body to flow into a liquid temperature-regulating storage cup body for standby through the two-way switch device;

If the liquid temperature-regulating storage cup body is not used, the unused liquid in the liquid temperature-regulating storage cup body is remained in the liquid temperature-regulating storage cup body or a two-way switch device is started to reflux the liquid in the liquid temperature-regulating storage cup body into the heat-preserving cup body for heat preservation;

If the liquid left in the liquid temperature-regulating storage cup body is cooled and the liquid with temperature is needed to be used, the heat preservation device is turned upside down, the two-way switch device is turned on, and part or all of the heated liquid in the heat preservation cup body flows into the liquid temperature-regulating storage cup body through the two-way switch device to be mixed with the left cooling liquid for use.

According to the heat preservation device and the heat preservation method, the heat preservation device is utilized to preserve heat of liquid, if the liquid such as milk or water is needed to be drunk, the heat preservation device is inverted before drinking, then the two-way switch device is turned on, part or all of the liquid in the heat preservation cup body enters the liquid temperature-adjusting storage cup body through the two-way switch device, the liquid is cooled in the liquid temperature-adjusting storage cup body and then is drunk, in addition, if warm water is needed to be drunk after the liquid in the liquid temperature-adjusting storage cup body is cooled, the heat preservation device is inverted and then the two-way switch device is turned on, so that the hot liquid in the heat preservation cup body enters the liquid temperature-adjusting storage cup body to be mixed with the cooled liquid, and then the instant drinking can be realized, and the instant drinking can be realized without pouring out and cooling of the liquid like the conventional heat preservation cup, and the drinking after mixing hot water and cold water outside the liner like in the prior art. And if the liquid in the liquid temperature-regulating storage cup body is not drunk, the two-way switch device is started when the heat preservation is needed to be carried out immediately, and the liquid in the liquid temperature-regulating storage cup body flows back into the heat preservation cup body, so that the effects of immediately preserving heat and guaranteeing quality are achieved. Therefore, the heat preservation device can realize the purposes of instant drinking and heat preservation and quality preservation of the liquid in the heat preservation storage cup body again, and is convenient to use.

Further, the bidirectional switch device comprises a switch body assembly, a bidirectional valve assembly and a switch assembly; the switch body assembly is connected between the liquid temperature-regulating storage cup body and the heat-preserving cup body, and a flow passage which can be communicated with the liquid temperature-regulating storage cup body and the heat-preserving cup body is arranged in the switch body assembly; a two-way valve assembly for opening and closing the flow passage is arranged in the switch body assembly; a switch assembly is disposed within the switch body assembly for driving the bi-directional valve assembly. The structure is characterized in that the switch assembly is operated, the switch assembly drives the two-way valve assembly to move, the heat insulation cup body and the liquid temperature adjustment storage cup body are communicated through the flow channel, so that when the heat insulation device is upright, liquid in the liquid temperature adjustment storage cup body can flow back into the heat insulation cup body, and when the heat insulation device is inverted, the liquid in the heat insulation cup body can flow into the liquid temperature adjustment storage cup body through the flow channel.

Further, the switch body assembly comprises a switch body and a valve body; the flow channel comprises a first flow channel and a second flow channel, the first flow channel is arranged in the switch body, and the second flow channel is arranged in the valve body; the valve body is connected to the switch body; the two-way valve component is connected to the valve body; the switch assembly is disposed within the switch body. The switch body assembly is arranged into the switch body and the valve body, so that the switch body assembly is convenient to manufacture, and the first runner and the second runner are convenient to mold.

Further, the switch body includes a housing.

Further, an annular bulge is arranged on the inner wall of the upper end of the shell, and a positioning strip extending up and down is arranged on the inner wall of the shell; the annular groove is formed in the outer wall of the valve body, the clamping groove extending up and down is formed in the outer wall of the valve body, the annular protrusion is clamped in the annular groove, the axial positioning function of the valve body is achieved, the valve body is prevented from being separated from the shell, the positioning strip is clamped in the clamping groove, and the valve body is prevented from rotating corresponding to the shell.

Further, the upper end of the vacuum cup body is provided with an upper connecting ring, an external thread is arranged on the outer wall of the upper connecting ring, a silica gel sleeve is sleeved outside the upper connecting ring, an external thread is arranged on the outer wall of the silica gel sleeve, and an internal thread matched with the external thread of the silica gel sleeve is arranged on the inner wall of the lower end of the shell. The external thread on the upper connecting ring is generally formed by rolling, the forming precision is lower, after the silica gel sleeve is arranged, the internal thread on the inner wall of the lower end of the shell can be matched with the external thread on the outer wall of the silica gel sleeve better, the connection tightness is improved, and the shell is connected with the upper connecting ring more smoothly.

Further, a partition plate is arranged on the inner wall of the middle part of the shell, a lower plug-in ring extending downwards is arranged at the bottom of the partition plate, the lower plug-in ring is inserted into the vacuum cup body, and a first sealing piece is arranged between the vacuum cup body and the switch body; the first sealing element comprises a first sealing ring, a first lower sealing flange extending inwards from the lower end of the first sealing ring and a first upper sealing flange extending outwards from the upper end of the first sealing ring; the first sealing ring is arranged between the lower plug-in ring and the vacuum cup body, the first lower sealing flange is positioned below the lower plug-in ring, and the first lower sealing flange is tightly attached to the lower plug-in ring; the first upper sealing flange is positioned between the partition plate and the cup opening of the vacuum cup body; the first flow channel is located in the region of the lower plug ring. The first sealing piece of the structure is adopted, the first lower sealing flange forms primary heat preservation sealing on the heat preservation cup body, the first sealing ring forms secondary heat preservation sealing on the heat preservation cup body, and the first upper sealing flange forms tertiary heat preservation sealing on the heat preservation cup body, so that the sealing effect is good, the heat preservation performance of liquid in the heat preservation cup body is good, and the heat preservation time is longer.

Further, the valve body comprises a valve shell, an upper plug ring and a guide sleeve, wherein the valve shell comprises a bottom and a side wall extending upwards from the edge of the bottom, the upper plug ring extends upwards from the bottom, the second flow passage is arranged on the bottom and is positioned in the upper plug ring, the guide sleeve is arranged on the bottom and is positioned in the plug ring, and the guide sleeve is provided with a through hole which penetrates up and down; the lower end of the liquid temperature-regulating storage cup body is connected with the side wall, and the upper inserting ring extends into the liquid temperature-regulating storage cup body; a second sealing piece is arranged between the liquid temperature-regulating storage cup body and the valve body, the second sealing piece comprises a second sealing ring, a second lower sealing flange extending outwards from the lower end of the second sealing ring and a second upper sealing flange extending inwards from the upper end of the second sealing ring, the second sealing ring is positioned between the upper plug-in ring and the liquid temperature-regulating storage cup body, the second lower sealing flange is positioned between the liquid temperature-regulating storage cup body and the bottom, the second upper sealing flange is positioned above the upper plug-in ring, and the second upper sealing flange is in contact with the upper end surface of the upper plug-in ring; the bidirectional valve assembly comprises a valve cover, a sliding rod and an elastic piece; the sliding rod passes through the through hole, the valve cover is connected to the upper end of the sliding rod, and the bottom surface of the outer side of the valve cover acts on the second upper sealing flange; the elastic piece is arranged between the slide bar and the valve body; the switch assembly comprises a button, a guide driving piece and a reset elastic piece; the guide driving piece is arranged in the switch body in a sliding way, the guide driving piece is provided with a driving inclined plane which acts with the sliding rod, the button is connected to one end of the guide driving piece, the button penetrates through the switch body, and the reset elastic piece is arranged between the switch body and the guide driving piece.

According to the structure, the second sealing ring and the second lower sealing flange form secondary sealing of the liquid temperature-regulating storage cup body and the valve body, so that the sealing performance is improved, and due to the second upper sealing flange, the sealing performance between the upper plug-in rings of the valve cover is good, and the phenomenon that liquid flows between the heat-insulating cup body and the liquid temperature-regulating storage cup body when the switch assembly is not operated is avoided. For switch module and two-way valve subassembly, if inwards press the button, the button drives the elastic motion that the guide driver overcome the elastic component that resets, overcome the elastic motion of elastic component through drive inclined plane drive slide bar, the slide bar motion is followed to the valve gap, the valve gap leaves the second and goes up sealing flange, form the passageway between sealing flange and the valve gap on the second, in this way, the runner is with thermos cup and liquid temperature adjustment storage cup intercommunication, when heat preservation device forward place, liquid in the liquid temperature adjustment storage cup can flow into the thermos cup through the runner in, when heat preservation device inverts, liquid in the thermos cup can flow into liquid temperature adjustment storage body. If the force on the button is released, the guide driving piece resets under the action of the resetting elastic piece, at the moment, the sliding rod resets under the action of the elastic piece, the valve cover is sealed with the second upper sealing flange, and the mutual flow of liquid between the heat insulation cup body and the liquid temperature adjustment storage cup body is avoided. Therefore, the structural stability is good.

Further, the outer wall of the second sealing ring is provided with more than one first sealing rib which acts with the liquid temperature-regulating storage cup body, and the upper surface of the second upper sealing flange is provided with more than one second sealing rib; a groove is arranged in the middle of the sliding rod, and a sealing ring which acts with the inner wall of the through hole is sleeved on the groove; the lower end of the slide bar is provided with a clamping groove, a resisting piece is clamped on the clamping groove, more than two elastic pieces extending towards the center are arranged on the inner wall of the resisting piece, a gap is reserved between every two adjacent elastic pieces, the lower end of each through hole is a step hole with the diameter larger than that of each through hole, each elastic piece is a spring, the spring is sleeved on the slide bar between the valve body and the corresponding resisting piece, and the upper end of each spring stretches into each step hole. The first sealing rib is arranged, so that the sealing performance can be improved. The second sealing rib is arranged, so that the sealing performance is improved. Due to the arrangement of the sealing ring, the sealing performance of the sliding rod and the through hole is improved. The blocking piece is arranged, so that the blocking piece can play a role in blocking the limiting slide rod, and the elastic piece is arranged, so that the blocking piece is convenient to install in the clamping groove, and the blocking piece is convenient to detach.

Drawings

Fig. 1is a schematic diagram of an assembly structure of embodiment 1 of the present invention.

Fig. 2 is an exploded construction diagram of embodiment 1 of the present invention.

Fig. 3 is a cross-sectional view of embodiment 1 of the present invention.

Fig. 4 is an exploded view of the head unit of embodiment 1.

Fig. 5 is an exploded view of the bi-directional switching device.

Fig. 6 is a front view of the bi-directional switching device.

Fig. 7 is a cross-sectional view of fig. 6 taken along line A-A.

Fig. 8 is a cross-sectional view of fig. 6 taken along line B-B.

Fig. 9 is a perspective view of the switch body.

Fig. 10 is a top view of the switch body.

Fig. 11 is a cross-sectional view of fig. 10C-C.

Fig. 12 is a sectional view D-D of fig. 10.

Fig. 13 is a perspective view of the valve body.

Fig. 14 is a perspective view of another view of the valve body.

Fig. 15 is a top view of the valve body.

Fig. 16 is a sectional view of E-E of fig. 15.

Fig. 17 is a cross-sectional view of F-F in fig. 15.

Fig. 18 is a perspective view of the retaining piece.

Fig. 19 is a schematic diagram of the assembly structure of embodiment 1 of the present invention.

FIG. 20 is a cross-sectional view of the feeding bottle.

FIG. 21 is a schematic view of the baby bottle with the head assembly removed.

FIG. 22 is a schematic cross-sectional view of the baby bottle with the head assembly removed.

Detailed Description

The invention will be described in further detail with reference to the drawings and the detailed description.

Example 1.

In this embodiment, the heat preservation device is a thermos cup.

As shown in fig. 1 to 8, the thermal insulation device comprises a head assembly 1, a liquid temperature-regulating storage cup 2, a bidirectional switch device 3 and a thermal insulation cup 4.

As shown in fig. 3 and 4, the head assembly 1 is a thermal insulation cover, and the thermal insulation cover includes a cover body 11, a cover shell 12, a filter cover 13, a first cover sealing member 14 and a second cover sealing member 15.

The cover 11 includes a cover connection ring 111, a cover retaining ring 112 connected to the upper end of the cover connection ring 111, a cover plate 113 extending inward from the upper end of the cover retaining ring 112, an inverted cone ring 114 extending downward and inward from the inner end of the cover plate 113, an extension ring 115 extending inward from the middle of the inverted cone ring 114, a cylindrical ring 116 extending downward from the inner end of the extension ring, a cylindrical ring bottom 117 extending inward from the lower end of the cylindrical ring 116 and closing the cylindrical ring 116, and a circular ring space 118 is formed between the lower end of the inverted cone ring and the cylindrical ring 116. An inner thread is provided on the inner wall of the lid connecting ring 111 for threaded connection with the upper end of the liquid temperature-adjusting storage cup 2, and a lid retaining outer ring 119 is provided on the outer wall of the lower end of the lid connecting ring 111.

The cover 12 is fitted over the cover 11, and a collar 16 is fitted over the cover connecting ring 111 between the cover 12 and the outer retaining ring 119.

The filter cover 13 comprises a filter cover body 131, a filter cover bottom 132 arranged at the bottom of the filter cover body 131, a filter cover resisting ring 133 extending outwards from the upper end of the filter cover body 131, and a guide ring 134 extending upwards and outwards from the outer end of the filter cover resisting ring 133, wherein the upper end of the guide ring 134 is an inclined plane with one side being high and the other side being low, so that the filter cover is convenient to drink. The filter cover bottom 132 includes a low bottom surface, a high bottom surface, and a transition surface connecting the low bottom surface and the high bottom surface, and a filter hole is formed in the first bottom surface, so that the liquid in the liquid temperature-adjusting storage cup 2 can flow out through the guide ring 134 after being filtered. Two parallel snap rings 135 are provided on the outer wall of the filter cover body 131.

The first cap seal 14 includes a first cap seal ring 141, a first cap seal stopper ring 142 provided at upper and lower ends of the first cap seal ring 141, and a first cap seal projection 143 provided on an outer wall of the first cap seal ring 141, the first cap seal ring 141 being fitted outside the filter cap body 131, a bottom surface of the first cap seal stopper ring 142 at an upper end being stopped by an upper surface of the snap ring 135 at an upper end, and a top surface of the first cap seal stopper ring 142 at a lower end being stopped by an upper surface of the snap ring 135 at a lower end, such that the first cap seal 14 is not easily detached from the filter cap body 131. The sealing performance between the filter cover and the liquid temperature-adjusting storage cup 2 can be further improved by providing the first cover sealing protrusion 143.

The second cover seal 15 includes a second cover seal ring 151, a second cover seal piece 152 provided at the bottom of the second cover seal ring 151, and a seal flange 153 provided on the outer wall of the second cover seal ring 151. The second cap seal ring 151 is sleeved on the outer wall of the cylindrical ring 116, and the seal flange 153 is located between the lower end of the inverted cone ring and the filter cap retaining ring 133. The second cap seal 15 acts as a seal.

As shown in fig. 1 to 3, the liquid temperature-adjusting storage cup 2 includes a cup 21, an upper cup connecting ring 22 connected to an upper end of the cup 21 and having an outer diameter smaller than an outer diameter of the cup, and a lower cup connecting ring 23 connected to a lower end of the cup 21 and having an outer diameter smaller than the outer diameter of the cup. External threads are provided on the outer wall of the upper cup attachment ring 22 for threaded connection with the lid attachment ring 111. External threads are provided on the outer wall of the lower cup attachment ring 23. The inside of the liquid temperature-regulating storage cup body 2 is communicated up and down.

As shown in fig. 1to 3 and 5 to 8, the bidirectional switch device 3 includes a switch body assembly 5, a bidirectional valve assembly 6, and a switch assembly 7.

The switch body assembly 5 includes a switch body 51 and a valve body 52. A flow passage is provided in the switch body assembly 5.

As shown in fig. 9 to 12, the switch body 51 includes a housing 511. An annular projection 5111 is provided on the inner wall of the upper end of the housing 511, and a positioning strip 5112 extending up and down is provided on the inner wall of the housing 511. A partition plate 512 is provided on the inner wall of the middle part of the housing 511, and a downward extending lower insertion ring 513 is provided at the bottom of the partition plate 512. An internal thread is arranged on the inner wall of the shell and below the partition plate.

As shown in fig. 3, the flow channels include a first flow channel 53 and a second flow channel 54.

As shown in fig. 9 to 12, in the present embodiment, two first flow passages 53 are provided, the first flow passages 53 are provided on the partition plate 512 and penetrate the partition plate 512 up and down, first flow passage flanges 531 are extended upward from the edges of the first flow passages 53 on the partition plate 512, and a slide 532 is formed between the two first flow passage flanges 531. The casing 511 is provided with a through hole 5113 which is positioned above the partition plate 512 and is communicated with the slideway 532, the outer wall of the casing 511 is provided with a boss 5114 which is positioned at the edge of the through hole 5113 and protrudes outwards, and the strength of the casing at the through hole is improved. Two guide plates 524 are arranged on the partition plate 512 and positioned between the through holes 5113 and the slide ways 532, and guide channels formed between the two guide plates 524 are communicated with the slide ways and the through holes.

As shown in fig. 13 to 17, the valve body 52 includes a valve housing 521, an upper plug ring 522, and a guide sleeve 523.

The valve housing 521 includes a bottom 5211 and a side wall 5212 extending upwardly from an edge of the bottom 5211; the annular groove 52121 is formed in the outer wall of the side wall 5212, the clamping groove 52122 extending up and down is formed in the outer wall of the side wall 5212, as shown in fig. 5 and 7, the side wall 5212 is inserted into the shell 511 downwards, the upper end of the side wall 5212 protrudes out of the upper end of the shell 511, the annular protrusion 5111 is clamped in the annular groove 52121, the positioning strip 5112 is clamped in the clamping groove 52122, the annular protrusion is clamped in the annular groove, the axial positioning effect on the valve body is achieved, the valve body is prevented from being separated from the shell, the positioning strip is clamped in the clamping groove, and the valve body is prevented from rotating corresponding to the shell. An internal thread is provided on the inner wall of the side wall 5212. Upper mating ring 522 extends upwardly from bottom 5211; the second flow path 54 has two through-holes 5211, the position of the second flow path corresponds to the position of the first flow path, a second flow path flange 541 extending downward from the edge of the second flow path 54 is provided on the bottom surface of the bottom 5211, and a second flow path flange plug ring 542 is provided at the lower end of the second flow path flange 541. The second flow passage 54 is located in the upper plug ring 522, the guide sleeve 523 is arranged on the bottom 5211 and located in the plug ring 522, the guide sleeve 523 is provided with a through hole 5231 which penetrates up and down, and the lower end of the through hole 5231 is provided with a step hole 5232 with a diameter larger than that of the through hole.

As shown in fig. 5, a gasket 9 is provided between the first and second flow path flanges 531 and 541, the upper end of the first flow path flange 531 is engaged with a lower engagement groove formed on the lower surface of the gasket 9, and the second flow path flange insertion ring 542 is inserted into an upper engagement groove 91 formed on the upper surface of the gasket 9, so that detachment of the gasket 9 can be prevented, and sealing performance between the first and second flow paths can be improved, preventing liquid from remaining between the first and second flow paths.

A retaining piece 50 is provided at the bottom of the bottom 5211 at the side of the stepped hole 5232 near the return elastic member.

As shown in fig. 3, the external thread of the lower cup body connecting ring 23 of the liquid temperature-adjusting storage cup body 2 is connected with the internal thread of the side wall 5212, and the upper plug ring 522 extends into the liquid temperature-adjusting storage cup body 2.

A second sealing member 82 is arranged between the lower cup body connecting ring 23 and the valve body 52 of the liquid temperature-regulating storage cup body 2, the second sealing member 82 comprises a second sealing ring 821, a second lower sealing flange 822 extending outwards from the lower end of the second sealing ring 821 and a second upper sealing flange 823 extending inwards from the upper end of the second sealing ring 821, the second sealing ring 821 is positioned between the upper plug ring 522 and the lower cup body connecting ring 23, the second lower sealing flange 822 is positioned between the lower cup body connecting ring 23 and the bottom 5211, the second upper sealing flange 823 is positioned above the upper plug ring 522, and the second upper sealing flange 823 is in contact with the upper end surface of the upper plug ring. The second sealing ring and the second lower sealing flange form secondary sealing between the lower cup body connecting ring and the valve body, and sealing performance is improved. The outer wall of the second seal ring 821 is provided with one or more first seal ribs 8211 which act on the lower cup body connecting ring 23, so that the sealing performance between the lower cup body connecting ring 23 and the valve body 52 is further improved, and the upper surface of the second upper seal flange 823 is provided with one or more second seal ribs 8231.

As shown in fig. 5 to 8, the bi-directional valve assembly 6 includes a valve cover 61, a slide bar 62, and an elastic member 63.

The slide bar 62 passes through the through hole 5231, and the lower extreme of slide bar 62 is the bulb shape, is equipped with recess 621 at the middle part of slide bar 62, overlaps on the recess 621 has the sealing washer 83 with the through-hole inner wall effect, owing to set up the sealing washer, consequently has improved the sealing performance of slide bar and through-hole. A catching groove 622 is provided at the lower end of the slide bar 62. The valve cover 61 is connected to the upper end of the slide bar 62, and the outer bottom surface of the valve cover 61 acts on the second upper sealing flange 823, so that the sealing performance is improved due to the arrangement of the second sealing rib. As shown in fig. 18, the retaining piece 64 is engaged with the engaging groove 622, and two or more elastic pieces 641 extending toward the center are provided on the inner wall of the retaining piece 64, and a gap is provided between adjacent elastic pieces 641. As shown in fig. 5 to 8, the elastic member 63 is a spring, and the spring is sleeved on the slide rod 62 between the valve body 52 and the resisting piece 64, and the upper end of the spring extends into the stepped hole 5232. The blocking piece is arranged, so that the blocking piece can play a role in blocking the limiting slide rod, and the elastic piece is arranged, so that the blocking piece is convenient to install in the clamping groove, and the blocking piece is convenient to detach.

As shown in fig. 5 to 8, the switch assembly 7 includes a button 71, a guide driving member 72, and a return elastic member 73.

The button 71 includes a button head 711, two oppositely disposed stoppers 712 provided at the inner end of the button head 711, and a driving groove 713 formed between the two stoppers 712. The button 71 passes through the through hole 5113.

The guide driver 72 includes a positioning block 721, a sliding block 722, a connecting sliding plate 723 and a reset plate 724; the inner end of the slider 722 has a drive ramp 7221 which acts with the ball head of the lower end of the slide bar 62. The positioning block 721 is inserted into the driving groove 713, the positioning block is limited by the fiber block, the sliding block 722 is connected to the inner end of the positioning block 721, the connecting sliding plate 723 is connected to the inner end of the sliding block 722, and the reset plate 724 is connected to the inner end of the connecting sliding plate 723; the guide driver 72 is slidably disposed within the guide channel and slide, with the guide driver 72 being positioned back and forth by the first channel flange and guide plate, and the lower end of the slide bar 62 being positioned between the drive ramp 7221 and the reset plate 724.

The return elastic member 73 is a return spring provided between the switch body 51 and the return plate 724.

If the button head is pressed inwards, the button drives the guide driving piece to overcome the inward movement of the reset spring along the guide channel and the slideway, the driving inclined plane drives the sliding rod with a ball head shape to move upwards, the sliding rod drives the valve cover to move upwards, and a gap is formed between the valve cover and the second upper sealing flange, so that liquid can flow between the first flow channel and the second flow channel. If the pressure of the button is released, the guide driving piece resets under the action of the reset spring, the sliding rod resets under the action of the elastic piece, and the valve cover is sealed with the second upper sealing flange to prevent liquid from flowing between the first flow channel and the second flow channel.

As shown in fig. 2 and 3, the upper end of the thermos cup body 4 is provided with an upper connecting ring 41, an external thread is arranged on the outer wall of the upper connecting ring 41, a silica gel sleeve 42 is sleeved outside the upper connecting ring 41, an external thread is arranged on the outer wall of the silica gel sleeve 42, and an internal thread matched with the external thread of the silica gel sleeve 42 is arranged on the inner wall of the lower end of the shell 511. The external thread on the upper connecting ring is generally formed by rolling, the forming precision is lower, after the silica gel sleeve is arranged, the internal thread on the inner wall of the lower end of the shell can be matched with the external thread on the outer wall of the silica gel sleeve better, the connection tightness is improved, and the shell is connected with the upper connecting ring more smoothly.

As shown in fig. 3, the lower plug ring 513 is inserted into the thermos cup 4, and a first sealing member 81 is provided between the thermos cup 4 and the switch body 51; the first seal 81 includes a first seal ring 811, a first lower seal flange 812 extending inward from a lower end of the first seal ring 811, and a first upper seal flange 813 extending outward from an upper end of the first seal ring 811; the first sealing ring 811 is arranged between the lower plug ring 513 and the thermos cup body 4, the first lower sealing flange 812 is positioned below the lower plug ring 513, and the first lower sealing flange 812 is tightly attached to the lower plug ring 513; the first upper sealing flange 813 is located between the partition plate 512 and the cup mouth of the thermos cup 4; the first flow channel 53 is located in the region of the lower plug ring.

The first sealing piece of the structure is adopted, the first lower sealing flange forms primary heat preservation sealing on the heat preservation cup body, the first sealing ring forms secondary heat preservation sealing on the heat preservation cup body, and the first upper sealing flange forms tertiary heat preservation sealing on the heat preservation cup body, so that the sealing effect is good, the heat preservation performance of liquid in the heat preservation cup body is good, and the heat preservation time is longer.

The heat preservation method of the heat preservation device comprises the following steps: the heated liquid is filled in the thermos cup body 4, the thermos device is inverted, and the two-way switch device 3 is started, namely: the button is pressed inwards, and an opening is formed between the valve cover and the second upper sealing flange under the action of the button, so that part or all of the heated liquid of the vacuum cup body flows into the liquid temperature-regulating storage cup body 2 through the first flow passage and the second flow passage for standby.

If the liquid temperature-regulating storage cup body 2 is not used, the unused liquid in the liquid temperature-regulating storage cup body 2 is remained in the liquid temperature-regulating storage cup body 2 or the bidirectional switch device 3 is started to reflux the liquid in the liquid temperature-regulating storage cup body 2 into the heat preservation cup body 4 for heat preservation.

If the liquid left in the liquid temperature-regulating storage cup body 2 is cooled and the liquid with temperature is needed to be used, the heat preservation device is turned upside down, the two-way switch device 3 is turned on, and part or all of the heated liquid in the heat preservation cup body 4 flows into the liquid temperature-regulating storage cup body 2 through the two-way switch device 3 to be mixed with the left cooling liquid for use.

Example 2.

In this embodiment, the heat preservation device is a heat preservation feeding bottle.

As shown in fig. 19 to 20, the thermal insulation device includes a head assembly 1, a liquid temperature-adjusting storage cup 2, a two-way switching device 3, and a thermal insulation cup 4.

As shown in fig. 20, the head assembly 1 is a nipple assembly, the nipple assembly comprises a nipple 11a, a tooth cap 12a and a milk bottle cap 13a, the nipple 11a is pressed on the liquid temperature-regulating storage cup body 2 through the tooth cap 12a, and the milk bottle cap 13a is covered on the tooth cap 12 a.

As shown in fig. 21 to 22, the liquid temperature-adjusting storage cup 2 includes a cup 21, an upper cup connecting ring 22 connected to an upper end of the cup 21 and having an outer diameter smaller than an outer diameter of the cup, and a lower cup connecting ring 23 connected to a lower end of the cup 21 and having an outer diameter smaller than the outer diameter of the cup. External threads are provided on the outer wall of the upper cup attachment ring 22 for threaded connection with the dental cap. External threads are provided on the outer wall of the lower cup attachment ring 23. The inside of the liquid temperature-regulating storage cup body 2 is communicated up and down.

As shown in fig. 21 to 22 and 5 to 8, the bidirectional switch device 3 includes a switch body assembly 5, a bidirectional valve assembly 6, and a switch assembly 7.

As shown in fig. 22, the flow channels include a first flow channel 53 and a second flow channel 54.

As shown in fig. 22, the external thread of the lower cup connecting ring 23 of the liquid temperature-adjusting storage cup 2 is connected with the internal thread of the side wall 5212, and the upper plug ring 522 extends into the liquid temperature-adjusting storage cup 2.

The guide driver 72 includes a positioning block 721, a sliding block 722, a connecting sliding plate 723 and a reset plate 724; the inner end of the slider 722 has a drive ramp 7221 which acts with the ball head of the lower end of the slide bar 62. The positioning block 721 is inserted into the driving groove 713, the positioning block is limited by a limiting block, the sliding block 722 is connected to the inner end of the positioning block 721, the connecting sliding plate 723 is connected to the inner end of the sliding block 722, and the reset plate 724 is connected to the inner end of the connecting sliding plate 723; the guide driver 72 is slidably disposed within the guide channel and slide, with the guide driver 72 being positioned back and forth by the first channel flange and guide plate, and the lower end of the slide bar 62 being positioned between the drive ramp 7221 and the reset plate 724.

If the button head is pressed inwards, the button drives the guide driving piece to overcome the inward movement of the reset spring along the guide channel and the slideway, the driving inclined plane drives the sliding rod with a ball head shape to move upwards, the sliding rod drives the valve cover to move upwards, and a gap is formed between the valve cover and the second upper sealing flange, so that milk can flow between the first flow channel and the second flow channel. If the pressure of the button is released, the guide driving piece resets under the action of the reset spring, the sliding rod resets under the action of the elastic piece, and the valve cover is sealed with the second upper sealing flange to prevent milk from flowing between the first flow channel and the second flow channel.

As shown in fig. 21 and 22, the upper end of the thermos cup body 4 is provided with an upper connecting ring 41, an external thread is arranged on the outer wall of the upper connecting ring 41, a silica gel sleeve 42 is sleeved outside the upper connecting ring 41, an external thread is arranged on the outer wall of the silica gel sleeve 42, and an internal thread matched with the external thread of the silica gel sleeve 42 is arranged on the inner wall of the lower end of the shell 511. The external thread on the upper connecting ring is generally formed by rolling, the forming precision is lower, after the silica gel sleeve is arranged, the internal thread on the inner wall of the lower end of the shell can be matched with the external thread on the outer wall of the silica gel sleeve better, the connection tightness is improved, and the shell is connected with the upper connecting ring more smoothly.

As shown in fig. 22, the lower plug ring 513 is inserted into the thermos cup 4, and a first sealing member 81 is provided between the thermos cup 4 and the switch body 51; the first seal 81 includes a first seal ring 811, a first lower seal flange 812 extending inward from a lower end of the first seal ring 811, and a first upper seal flange 813 extending outward from an upper end of the first seal ring 811; the first sealing ring 811 is arranged between the lower plug ring 513 and the thermos cup body 4, the first lower sealing flange 812 is positioned below the lower plug ring 513, and the first lower sealing flange 812 is tightly attached to the lower plug ring 513; the first upper sealing flange 813 is located between the partition plate 512 and the cup mouth of the thermos cup 4; the first flow channel 53 is located in the region of the lower plug ring.

The heat preservation method of the heat preservation device comprises the following steps: the heated milk is filled in the thermos cup body 4, the thermos device is inverted, and the two-way switch device 3 is turned on, namely: the button is pressed inwards, and an opening is formed between the valve cover and the second upper sealing flange under the action of the button, so that part or all of the heated milk of the thermos cup body flows into the liquid temperature-regulating storage cup body 2 for standby through the first flow channel and the second flow channel.

If the liquid temperature-regulating storage cup body 2 is not used, the unused milk in the liquid temperature-regulating storage cup body 2 is reserved in the liquid temperature-regulating storage cup body 2 or the bidirectional switch device 3 is started to reflux the liquid in the liquid temperature-regulating storage cup body 2 into the heat preservation cup body 4 for heat preservation.

If the milk left in the liquid temperature-regulating storage cup body 2 is cooled and the milk with temperature is needed to be used, the heat preservation device is turned upside down, the two-way switch device 3 is turned on, and part or all of the heated milk in the heat preservation cup body 4 flows into the liquid temperature-regulating storage cup body 2 through the two-way switch device 3 to be mixed with the left cooling liquid for use.

According to the heat preservation device and the heat preservation method, the heat preservation device is utilized to preserve milk, if the milk is needed to be drunk, the heat preservation device is inverted before drinking, then the two-way switch device is turned on, part or all of the milk in the heat preservation cup enters the liquid temperature-regulating storage cup body through the two-way switch device, the milk is cooled in the liquid temperature-regulating storage cup body and then is drunk, in addition, if the milk in the liquid temperature-regulating storage cup body is cooled, the heat preservation device is inverted and then the two-way switch device is turned on, and the hot milk in the heat preservation cup body enters the liquid temperature-regulating storage cup body and is mixed with the cooled milk, so that the milk can be drunk immediately, the milk is not needed to be drunk after being poured out and cooled like the existing heat preservation cup, and the milk is not needed to be drunk after being mixed outside the liner like the prior art. And if the milk in the liquid temperature-regulating storage cup body is not drunk, the two-way switch device is started when the temperature needs to be maintained immediately, and the milk in the liquid temperature-regulating storage cup body flows back into the heat-preserving cup body, so that the effects of immediately maintaining the temperature and guaranteeing the quality are achieved. Therefore, the heat preservation device can realize the purposes of instant drinking and heat preservation and quality preservation of the milk in the heat preservation storage cup body again, and is convenient to use.

Claims

1. The utility model provides a heat preservation device, includes head subassembly (1), liquid store cup (2) and thermos cup (4) that adjusts temperature, and head subassembly (1) are established in the upper end of storing cup (2) that liquid adjusts temperature, and thermos cup (4) are established in the below of storing cup that liquid adjusts temperature, its characterized in that: a two-way switch device (3) for controlling the liquid to flow between the liquid temperature-regulating storage cup body (2) and the heat-preserving cup body (4) is arranged between the liquid temperature-regulating storage cup body (2) and the heat-preserving cup body (4), and the two-way switch device (3) is connected with the liquid temperature-regulating storage cup body (2) and the heat-preserving cup body (4);

The bidirectional switch device (3) comprises a switch body assembly (5), a bidirectional valve assembly (6) and a switch assembly (7); the switch body assembly (5) is connected between the liquid temperature-regulating storage cup body (2) and the heat-preserving cup body (4), and a flow passage which can be communicated with the liquid temperature-regulating storage cup body (2) and the heat-preserving cup body (4) is arranged in the switch body assembly (5); a two-way valve component (6) for opening and closing the flow passage is arranged in the switch body component (5); a switch assembly (7) for driving the two-way valve assembly (6) is arranged in the switch body assembly (5);

The switch body assembly (5) comprises a switch body (51) and a valve body (52), and the valve body (52) is detachably connected with the switch body (51); the flow passage comprises a first flow passage (53) and a second flow passage (54), the first flow passage (53) is arranged in the switch body (51), and the second flow passage (54) is arranged in the valve body (52); the valve body (52) is connected to the switch body (51); the two-way valve component (6) is connected to the valve body (52); the switch component (7) is arranged in the switch body (51);

A first flow channel flange (531) extends upwardly from the edge of the first flow channel (53); a second flow channel flange (541) extends downwardly from an edge of the second flow channel (54); a gasket (9) is provided between the first flow path flange (531) and the second flow path flange (541); a second flow channel flange plug-in ring (542) is arranged at the lower end of the second flow channel flange (541);

the upper end of the first flow channel flange (531) is clamped in a lower clamping groove formed on the lower surface of the sealing gasket (9), and the second flow channel flange inserting ring (542) is inserted into an upper clamping groove (91) formed on the upper surface of the sealing gasket (9).

2. The thermal insulation device of claim 1, wherein: the switch body (51) includes a housing (511).

3. The thermal insulation device of claim 2, wherein: an annular bulge (5111) is arranged on the inner wall of the upper end of the shell (511), and a positioning strip (5112) extending up and down is arranged on the inner wall of the shell (511); an annular groove (52121) is formed in the outer wall of the valve body (52), a clamping groove (52122) extending up and down is formed in the outer wall of the valve body (52), the annular protrusion (5111) is clamped in the annular groove (52121), and the positioning strip (5112) is clamped in the clamping groove (52122).

4. The thermal insulation device of claim 2, wherein: the upper end of the vacuum cup body (4) is provided with an upper connecting ring (41), the outer wall of the upper connecting ring (41) is provided with external threads, a silica gel sleeve (42) is sleeved outside the upper connecting ring (41), the outer wall of the silica gel sleeve (42) is provided with external threads, and the inner wall of the lower end of the shell (511) is provided with internal threads matched with the external threads of the silica gel sleeve (42).

5. The thermal insulation device of claim 2, wherein: a partition plate (512) is arranged on the inner wall of the middle part of the shell (511), a lower plug-in ring (513) extending downwards is arranged at the bottom of the partition plate (512), the lower plug-in ring (513) is inserted into the vacuum cup body (4), and a first sealing piece (81) is arranged between the vacuum cup body (4) and the switch body (51); the first sealing member (81) comprises a first sealing ring (811), a first lower sealing flange (812) extending inwards from the lower end of the first sealing ring (811), and a first upper sealing flange (813) extending outwards from the upper end of the first sealing ring (811); the first sealing ring (811) is arranged between the lower plug-in ring (513) and the vacuum cup body (4), the first lower sealing flange (812) is positioned below the lower plug-in ring (513) and the first lower sealing flange (812) is tightly attached to the lower plug-in ring (513); the first upper sealing flange (813) is positioned between the separation plate (512) and the cup mouth of the thermos cup body (4); the first flow channel (53) is located in the region of the lower plug ring.

6. The thermal insulation device of claim 2, wherein: the valve body (52) comprises a valve shell (521), an upper plug ring (522) and a guide sleeve (523), wherein the valve shell (521) comprises a bottom (5211) and a side wall (5212) extending upwards from the edge of the bottom (5211), the upper plug ring (522) extends upwards from the bottom (5211), a second flow passage (54) is formed in the bottom (5211) and is positioned in the upper plug ring (522), the guide sleeve (523) is arranged on the bottom (5211) and is positioned in the plug ring (522), and the guide sleeve (523) is provided with a through hole (5231) which penetrates up and down; the lower end of the liquid temperature-regulating storage cup body (2) is connected with the side wall (5212), and the upper inserting ring (522) extends into the liquid temperature-regulating storage cup body (2); a second sealing member (82) is arranged between the liquid temperature-regulating storage cup body (2) and the valve body (52), the second sealing member (82) comprises a second sealing ring (821), a second lower sealing flange (822) extending outwards from the lower end of the second sealing ring (821) and a second upper sealing flange (823) extending inwards from the upper end of the second sealing ring (821), the second sealing ring (821) is positioned between the upper plug ring (522) and the liquid temperature-regulating storage cup body (2), the second lower sealing flange (822) is positioned between the liquid temperature-regulating storage cup body (2) and the bottom (5211), the second upper sealing flange (823) is positioned above the upper plug ring (522), and the second upper sealing flange (823) is in contact with the upper end face of the upper plug ring; the bidirectional valve component (6) comprises a valve cover (61), a sliding rod (62) and an elastic piece (63); the sliding rod (62) passes through the through hole (5231), the valve cover (61) is connected to the upper end of the sliding rod (62), and the outer bottom surface of the valve cover (61) acts with the second upper sealing flange (823); the elastic piece (63) is arranged between the slide rod (62) and the valve body (52); the switch assembly (7) comprises a button (71), a guide driving piece (72) and a reset elastic piece (73); the guide driving piece (72) is arranged in the switch body (51) in a sliding mode, the guide driving piece (72) is provided with a driving inclined surface (7221) acting with the sliding rod (62), the button (71) is connected to one end of the guide driving piece (72), the button (71) penetrates through the switch body (51), and the reset elastic piece (73) is arranged between the switch body (51) and the guide driving piece (72).

7. The thermal insulation device of claim 6, wherein: the outer wall of the second sealing ring (821) is provided with more than one first sealing rib (8211) which acts with the liquid temperature-regulating storage cup body (2), and the upper surface of the second upper sealing flange (823) is provided with more than one second sealing rib (8231); a groove (621) is arranged in the middle of the sliding rod (62), and a sealing ring (83) which acts with the inner wall of the through hole is sleeved on the groove (621); the lower extreme at slide bar (62) is equipped with clamping groove (622), and the card is put on clamping groove (622) and is put and keep out piece (64), is equipped with on the inner wall of keeping out piece (64) to the more than two elastic pieces (641) of center extension, has the clearance between adjacent elastic pieces (641), and the lower extreme of through-hole (5231) is step hole (5232) that the diameter is greater than the through-hole, elastic component (63) be the spring, the spring suit is located on slide bar (62) between valve body (52) and keeping out piece (64), the upper end of spring stretches into in step hole (5232).