CN211722781U - Anti-overflow kettle after dumping - Google Patents

Abstract

The utility model discloses a water kettle capable of preventing overflow after pouring, which comprises a sealing valve and a sealing device, wherein a long-neck kettle mouth is connected with a kettle body to form a pouring opening, the sealing valve is arranged at the pouring opening, the sealing device is arranged on a kettle cover, and the sealing valve comprises a cover body, an elastic sealing element, a push rod, an elastic element and a bracket; cover body one end and pouring outlet intercommunication, be provided with the movable orifice on the support, the movable orifice is located cover body other end under, elastic sealing element includes fixed part and sealing, the fixed part encircles the fixed setting all around of movable orifice, the sealing is just to the movable orifice, the push rod includes the expansion end, top push end and accepting portion, top push end point to the bottom of sealing, elastic element sets up between accepting portion and support, when the expansion end receives vertical ascending thrust, the push rod shifts up wholly, top push end rebound to propping against the sealing, make the sealing can pass behind the movable orifice with passageway sealing connection. The kettle has stable anti-overflow function.

Description

Anti-overflow kettle after dumping

Technical Field

The utility model relates to a kettle, in particular to an anti-overflow kettle after dumping.

Background

The long-neck electric kettle in the market is liked by consumers in general, especially, manual infusing tealeaves and coffee, long-neck spout is convenient for adjust out water direction and water yield, need often take up the pouring water or place with the hand, produce fatigue easily and bump the kettle, because long-neck electric kettle has a long-neck spout and the handle of being convenient for take, further increased by bumping the turning or place the possibility that the not in place formation was emptyd, make the internal hot water of kettle easily spill over, invade wet desktop or scald the consumer, cause very big danger.

The anti-overflow structure is mainly sealed kettle mouth and hu zui department, because hu zui needs often to pour water, sets up the anti-overflow structure in hu zui department and should satisfy: the spout can be kept in a smooth state when pouring water normally, and the spout can be switched to a sealing state when the kettle body is poured.

However, the existing anti-overflow structure has the problem of unstable anti-overflow effect, especially for a long-neck spout, the water remained in the spout is easy to overflow, and further improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a back anti-overflow kettle emptys, this kettle has the anti-overflow function after empting, can effectually realize the kettle and empty the back anti-overflow.

The technical scheme adopted for solving the technical problems is as follows:

a water kettle capable of preventing overflow after pouring comprises a kettle body, a kettle cover, a sealing valve and a sealing device, wherein a handle and a long-neck spout are respectively arranged on two sides of the kettle body, a pouring opening is formed at the joint of the long-neck spout and the kettle body, the sealing valve is arranged at the pouring opening, the sealing device is arranged on the kettle cover,

the sealing valve comprises a cover body, an elastic sealing element, a push rod, an elastic element and a support, wherein a flow channel is formed in the cover body, one end of the cover body is communicated with a pouring outlet, a movable hole is formed in the support, the movable hole is positioned under the other end of the cover body, the elastic sealing element comprises a fixed part positioned on the periphery and a sealing part positioned in the middle, the fixed part surrounds the periphery of the movable hole and is fixedly arranged, the sealing part is right opposite to the movable hole, the push rod comprises a movable end and a pushing end, a bearing part is formed between the movable end and the pushing end, the pushing end points to the bottom of the sealing part, the elastic element is arranged between the bearing part and the support, the elastic element provides downward elastic force to enable the pushing end to be far away from the sealing part, when the movable end is pressed, the pushing end overcomes the elastic force to move upwards to abut against the sealing, so that the sealing part can seal the flow passage after passing through the movable hole.

Furthermore, the bottom of kettle body is provided with the guide hole, the expansion end insert in the guide hole and can follow the guide hole reciprocates, the elastic component provides decurrent elasticity and makes the expansion end pass and stretch out in the bottom of kettle body behind the guide hole, the height of expansion end bottom is less than the bottom of kettle body.

Further, still including setting up stir the slider of expansion end below, the bottom of kettle body is provided with the sliding hole, stir the slider and run through the sliding hole just is the horizontal slip setting, stirs the slider upper end and is equipped with the top that is the slope form and pushes away the muscle, and the top of pushing away of push rod lower part end activity butt pushes away the muscle.

Further, the elastic piece is a compression spring, and the compression spring is sleeved on the pushing end.

Furthermore, an annular boss is formed by upwards extending the periphery of the upper end face of the bearing part, and when the movable end moves downwards to the lowest position, a gap is reserved between the annular boss and the bottom of the support.

Further, the lower end of the compression spring is embedded between the annular boss and the pushing end.

Further, a stepped shaft sleeve located right below the movable hole is formed on the support, the sealing portion is contained in the upper end portion of the stepped shaft sleeve, the pushing end penetrates through the lower end portion of the stepped shaft sleeve, and the upper end portion of the compression spring is sleeved on the periphery of the lower end portion of the stepped shaft sleeve.

Further, the sealing device comprises an air guide hole, an air inlet hole and a sealing cavity, the sealing cavity comprises a first port and a second port which are respectively located at two ends, the first port is communicated with the air guide hole, the second port is communicated with the air inlet hole, the air inlet hole is communicated with the inside of the kettle body, the air guide hole is communicated with the external atmospheric pressure, a ball body is arranged in the sealing cavity, the ball body can roll in the sealing cavity, and when the kettle body is toppled over, the ball body rolls to the first port and seals the air guide hole under the action of self gravity, or the ball body rolls to the second port and seals the air inlet hole under the action of self gravity.

Further, the sealed chamber is the level setting and is in the pot lid, the horizontal center line perpendicular to in the sealed chamber the vertical plane that long-neck kettle mouth and handle constitute jointly, the bottom in sealed chamber is formed with concave position, and when the kettle body is upright or is in the state of falling water, the spheroid stops in concave position.

Furthermore, the air guide hole and the air inlet hole are respectively positioned on two sides of a vertical plane formed by the long-neck kettle nozzle and the handle, and the first port is communicated with the air guide hole through an L-shaped communicating pipe.

Further, the sealing device comprises a first connecting channel, a second connecting channel, a third connecting channel and a third air inlet hole, the third air inlet hole is communicated with the inside of the kettle body, a second via hole and a communicating end are arranged at two ends of the second connecting channel respectively, the second via hole and the communicating end are located on two sides of the horizontal axis direction respectively, one end of the first connecting channel is connected with the third air inlet hole, the other end of the first connecting channel is connected with the communicating end, one end of the third connecting channel is connected with the air guide hole, the other end of the third connecting channel is connected with the second via hole, and the third air inlet hole and the air guide hole are located in the horizontal axis direction.

Further, the air guide hole is formed in the side far away from the handle.

Furthermore, the included angle that first linking channel with form between the second linking channel is the acute angle, third linking channel is located the second linking channel top, third linking channel is the L type.

Has the advantages that: when the movable end receives the vertical upward thrust, the push rod moves up integrally, the pushing end pushes the sealing part upwards, the sealing part deforms, and the sealing part penetrates through the movable hole and then abuts against the cover body, so that the flow channel is sealed, and the pouring outlet is in a sealing state. In the process that the kettle inclines, although the push rod moves downwards under the action of the elastic force of the elastic piece, the pushing end is separated from the sealing part, the sealing part is flexible, the elastic deformation is recovered, the process is needed, the push rod can be kept in sealing and abutting connection with the flow channel in a short time, and sufficient time is provided for the sealing device on the kettle cover to realize sealing. When the kettle body is completely dumped, the sealing device realizes sealing, the kettle body is completely in a negative pressure state, and even if the sealing part recovers elastic deformation, water cannot overflow from the long-neck kettle nozzle.

Drawings

The invention is further described with reference to the following figures and examples:

fig. 1 is a schematic cross-sectional view of a first embodiment of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1;

fig. 3 is a schematic sectional view of a sealing valve according to a first embodiment of the present invention;

fig. 4 is a perspective view of the sealing device installed in the pot lid according to the first embodiment of the present invention;

FIG. 5 is a schematic longitudinal sectional view of the structure of FIG. 4;

fig. 6 is a perspective view of the sealing device installed in the pot lid according to the second embodiment of the present invention;

FIG. 7 is a top view of FIG. 6;

FIG. 8 is a schematic longitudinal sectional view of the structure of FIG. 6;

fig. 9 is a schematic sectional view of a sealing valve according to a second embodiment of the present invention;

FIG. 10 is a schematic structural view of the upper end of the kettle body;

fig. 11 is an overall assembly view of the spill-proof kettle after pouring.

Detailed Description

Referring to fig. 1 to 5, and fig. 10 and 11, as a first embodiment of the present invention, there is provided a spill-proof water bottle after pouring, which includes a bottle body 2, a bottle cap 1 and a power base 5. Wherein, the bottom of the kettle body 2 is provided with an upper electric connector, the power base 5 is provided with a lower electric connector, and the upper electric connector is jointed with the lower electric connector to realize the electric heating of the kettle body 2. The both sides of kettle body 2 are provided with handle 4 and long neck hu zui 3 respectively, and long neck hu zui 3 communicates to kettle body 2 bottoms, and long neck hu zui 3 forms pouring opening 6 with kettle body 2 in the junction, and the upper end of kettle body 2 forms and 1 complex hu kou with the pot lid, and 1 rotations of pot lid are installed on kettle body 2, presses pot lid 1 and can make pot lid 1 rotate to sealing fit with the hu kou. Specifically, a positioning edge is arranged at the kettle opening, a sealing ring is arranged on the periphery of the kettle cover 1, and the sealing ring is in sealing fit with the positioning edge when the kettle cover 1 is buckled at the kettle opening. The kettle cover 1 is provided with an air guide hole 7 and a sealing device, and a sealing valve is arranged at the pouring outlet 6.

Specifically, the sealing valve includes a housing 320, an elastic sealing member 440, a push rod 410, an elastic member, and a bracket. The cover 320 forms a flow passage inside, the cover 320 is installed at the pouring outlet 6, one end of the cover 320 is communicated with the pouring outlet 6, and the other end is arranged downwards. The support fixed mounting is inside kettle body 2, and the support of here is used for realizing the fixed mounting of sealing valve. In this embodiment, the support specifically includes a bottom plate 311 of the heating device 310 and a step sleeve 420 fixedly connected to the bottom plate 311. Set up a movable hole 312 on the chassis 311, this movable hole 312 is located cover body 320 under, elastic sealing element 440 is including the fixed part that is located the periphery and the sealing portion that is located the centre, the fixed part encircles the fixed setting all around of movable hole 312, the sealing portion is just to movable hole 312 and butt in the bottom surface of chassis 311, the top of ladder axle sleeve 420 is to the bottom surface at the fixed part, the sealing portion is accomodate in the upper end of ladder axle sleeve 420, and then realized elastic sealing element 440's fixed mounting.

The push rod 410 includes a movable end 411 and a pushing end 412, a receiving portion is formed between the movable end 411 and the pushing end 412, in this embodiment, the receiving portion is a large-diameter shaft shoulder formed by protruding outward from the middle portion of the push rod 410, and a guide hole 341 is formed at the bottom of the kettle body 2. Specifically, the guide hole 341 is provided on the bottom cover 340 of the pot body 2, and the diameter of the shoulder is larger than that of the guide hole 341. The movable end 411 is inserted into the guiding hole 341 and can move up and down along the guiding hole 341, and the pushing end 412 points to the bottom of the sealing portion. Specifically, the pushing end 412 passes through the lower end of the stepped bushing 420 from bottom to top and then points to the sealing portion. The elastic member is disposed between the receiving portion and the bracket, and provides downward elastic force to make the movable end 411 pass through the guiding hole 341 and then extend out of the bottom of the kettle body 2, and the shaft shoulder can be used as a limit position to control the lowest position where the movable end 411 moves down. When the movable end 411 is pressed, the pushing end 412 overcomes the elastic force and moves upward to push against the sealing portion, so that the sealing portion can pass through the movable hole 312 and then be connected with the flow channel in a sealing manner.

When the kettle is normally placed on the power base 5 or the desktop, the movable end 411 is pressed by the gravity of the kettle body 2, the push rod 410 moves upwards integrally, the pushing end 412 pushes the sealing part upwards, the sealing part deforms and passes through the movable hole 312 and then abuts against the cover body 320, the channel is sealed, the pouring opening 6 is in a sealing state, and hot water is prevented from being sprayed out of the long-neck spout 3 in the water boiling process. In the process that the kettle inclines, although the push rod 410 moves downwards under the action of the elastic force of the elastic piece, so that the pushing end 412 is separated from the sealing part, the sealing part is flexible, and the elastic deformation is recovered, so that the process is needed, the sealing part can be kept in sealing and abutting contact with the channel in a short time, and sufficient time is provided for the sealing device on the kettle cover 1 to realize sealing. When the kettle body 2 is completely dumped, the sealing device realizes sealing, the kettle body 2 is completely in a negative pressure state, and even if the sealing part recovers elastic deformation, water cannot overflow from the long-neck kettle nozzle 3. The stability of the anti-overflow function of the kettle is further ensured by adding the sealing valve. When lifting the kettle and pouring water, the kettle cover 1 and the kettle are communicated, and the sealing part recovers elastic deformation (namely gradually recovers to be positioned below the movable hole 312), so that complete water pouring can be realized.

Preferably, the resilient member is a compression spring 430, and the compression spring 430 is disposed around the pushing end 412. Meanwhile, an annular boss 413 is formed by extending upwards along the periphery of the upper end surface of the bearing part. The upper end of the compression spring 430 is sleeved on the outer periphery of the lower end of the stepped shaft sleeve 420, and the lower end of the compression spring 430 is embedded between the annular boss 413 and the pushing end 412. When the movable end 411 moves downward to the lowest position, a gap is left between the annular boss 413 and the stepped shaft sleeve 420.

When the push rod 410 pushes the sealing part to be in sealing abutment with the channel, the upper end surface of the annular boss 413 is basically in abutment with the step end surface of the step shaft sleeve 420, so that the push rod 410 is prevented from further moving upwards, and the limiting protection effect is achieved.

In order to ensure that the push rod 410 can be pressed when the kettle is placed on the table top or the power base 5, the bottom of the movable end 411 should be designed to be lower than the bottom of the kettle body 2 when the movable end 411 moves downward to the lowest position.

The sealing device comprises a first air inlet hole 110 and a first movable sealing cavity 120, the first movable sealing cavity 120 comprises a first port 121 and a second port 122 which are respectively positioned at two ends of the first movable sealing cavity, the first port 121 is communicated with the air guide hole 7, the second port 122 is communicated with the first air inlet hole 110, the first air inlet hole 110 is communicated with the inside of the kettle body 2, and the air guide hole 7 is communicated with the outside atmospheric pressure. The air vent 7 is arranged above the sealing ring, and the first air inlet 110 is arranged below the sealing ring. The first ball 130 is disposed in the sealing cavity 220, the first ball 130 can roll in the first movable sealing cavity 120, when the kettle body 2 is toppled over, the first ball 130 rolls to the first port 121 and seals the air guide hole 7 under the action of its own gravity, or the first ball 130 rolls to the second port 122 and seals the first air inlet hole 110 under the action of its own gravity. When the kettle body 2 is in a normal placing state or pouring water normally, the first ball 130 stays in the middle of the first movable sealing cavity 120, a gap exists between the first ball 130 and the first movable sealing cavity 120, the air guide hole 7 is communicated with the first air inlet hole 110, that is, the interior of the kettle body 2 is communicated with the atmospheric pressure, so that the normal water outlet is ensured.

Further, first movable sealing chamber 120 is the level and sets up in pot lid 1, and when kettle body 2 took place to empty, first movable sealing chamber 120 followed the slope, and first spheroid 130 rolls to a port of lower position under self action of gravity, and then realizes the sealed of pot lid 1. No matter the kettle body 2 is inclined leftwards or rightwards, the first ball 130 can roll to the corresponding port rapidly, and further the communication between the air guide hole 7 and the first air inlet hole 110 is cut off, namely the interior of the kettle body 2 is isolated from the atmospheric pressure, and at the moment, a negative pressure sealing state is formed in the interior of the kettle body 2, so that the anti-overflow function is effectively realized.

Further preferably, the horizontal center line of the first movable sealed chamber 120 is arranged to be perpendicular to the vertical plane formed by the long-neck spout 3 and the handle 4. In fig. 4 is shown that the horizontal axis 8 and the vertical axis 9 lie in the vertical plane formed by the long-neck spout 3 and the handle 4 together, i.e. the horizontal axis 8 and the vertical axis 9 may form the vertical plane described above. When the kettle body 2 is inclined towards one side of the first air inlet hole 110, because the first movable sealing cavity 120 and the first air inlet hole 110 are in a vertical state basically, a small amount of liquid entering the first air inlet hole 110 can be separated from the first air inlet hole 110 rapidly in the process of lifting the kettle body 2, and the liquid is prevented from remaining in the first air inlet hole 110 after the kettle body 2 is lifted.

Preferably, a concave position is formed at the bottom of the first movable sealing chamber 120, and the first ball 130 stays in the concave position when the kettle body 2 is upright or in a water pouring state. When pouring water normally or kettle body 2 is in normal state of placing, first spheroid 130 can be comparatively stable inject in the concave position under the action of gravity of self, specifically, there is the clearance between first spheroid 130 and the sealed chamber 220, in order to guarantee first inlet port 110 and air guide hole 7 intercommunication, the diameter of first spheroid 130 is greater than first port 121 and second port 122 aperture, can be more stable inject first spheroid 130 in first activity sealed chamber 120, also can avoid simultaneously stopping up first port 121 or second port 122 because of first spheroid 130 rolls in disorder and accident, and then influence the normal use of kettle.

In this embodiment, the air vent hole 7 and the first air inlet hole 110 are respectively located on two sides of a vertical plane formed by the long-neck spout 3 and the handle 4, and the first port 121 is communicated with the air vent hole 7 through an L-shaped communicating pipe 140.

Referring to fig. 6 to 9, as a second embodiment of the present invention, there is provided a long neck anti-overflow kettle, the sealing device of which comprises a first connecting channel 710, a second connecting channel 720, a third connecting channel 730 and a third air inlet 740, which are sequentially connected. The third air inlet hole 740 is communicated with the inside of the kettle body 2, the two ends of the second connecting channel 720 are respectively provided with a second via hole 721 and a communicating end 722, the second via hole 721 and the communicating end 722 are respectively positioned at two sides of the horizontal axis 8 direction, one end of the first connecting channel 710 is connected with the third air inlet hole 740, the other end is connected with the communicating end 722, one end of the third connecting channel 730 is connected with the air guide hole 7, the other end is connected with the second via hole 721, and the third air inlet hole 740 and the air guide hole 7 are positioned on the horizontal axis 8 direction.

The sealing device adopts the principle of channel liquid level sealing, the first connecting channel 710 and the second connecting channel 720 are integrally arranged, and the first connecting channel 710, the second connecting channel 720 and the third connecting channel 730 form a sealing cavity.

When the kettle body 2 is poured toward the second through hole 721, the water in the kettle enters the first connecting channel 710 along the third air inlet hole 740. Due to the limited volume, the water in the kettle is difficult to invade the communicating end 722, therefore, the first connecting channel 710 gushes into a section of water to form liquid level seal, and the communication between the third air inlet hole 740 and the air guide hole 7 is cut off to form liquid level seal.

When the kettle body 2 is poured towards the communication end 722, the water in the kettle enters the first connection channel 710 along the third air inlet hole 740, and the water in the kettle cannot completely flow into the second through hole 721 although the water in the kettle submerges the communication end 722 due to the limited volume. Therefore, a section of water flowing into the first connecting channel 710 and the second connecting channel 720 forms a liquid level seal, and the communication between the third air inlet hole 740 and the air guide hole 7 is cut off, so that the liquid level seal is formed.

Preferably, the air vent 7 is provided on the side remote from the handle 4. The air guide hole 7 is positioned in the direction of the kettle nozzle 3 and is far away from the handle 4, so that the air is guided conveniently, and meanwhile, the potential safety hazard generated by hot steam is avoided.

Further preferably, an included angle between the first connecting channel 710 and the second connecting channel 720 is an acute angle, so that on one hand, the water body flow in the sealing cavity is reduced, the blocking sealing effect is increased, and meanwhile, the space of the sealing cavity is further reduced.

Meanwhile, the third connecting channel 730 is arranged above the second connecting channel 720, the third connecting channel 730 is L-shaped and forms a larger space, so that the air guide effect of the air guide hole 7 and the outside is increased, the water-vapor separation in the sealed cavity is facilitated, and meanwhile, the third connecting channel 730 is effectively isolated in the sealed cavity, so that a small part of residual water in the first connecting channel 710 and the second connecting channel 720 returns to the air inlet hole, and the space of the sealed cavity is further reduced.

Unlike the sealing valve of the first embodiment, a manually controllable toggle slider 450 is added to the sealing valve. Specifically, the sealing valve includes a housing 320, an elastic sealing member 440, a push rod 410, an elastic member, a bracket, and a toggle slider 450. The cover 320 forms a flow passage inside, the cover 320 is installed at the pouring outlet 6, one end of the cover 320 is communicated with the pouring outlet 6, and the other end is arranged downwards. The support fixed mounting is inside kettle body 2, and the support of here is used for realizing the fixed mounting of sealing valve. In this embodiment, the support specifically includes a bottom plate 311 of the heating device 310 and a step sleeve 420 fixedly connected to the bottom plate 311. Set up a movable hole 312 on the chassis 311, this movable hole 312 is located cover body 320 under, elastic sealing element 440 is including the fixed part that is located the periphery and the sealing portion that is located the centre, the fixed part encircles the fixed setting all around of movable hole 312, the sealing portion is just to movable hole 312 and butt in the bottom surface of chassis 311, the top of ladder axle sleeve 420 is to the bottom surface at the fixed part, the sealing portion is accomodate in the upper end of ladder axle sleeve 420, and then realized elastic sealing element 440's fixed mounting. The push rod 410 includes a movable end 411 and a pushing end 412, and a receiving portion is formed between the movable end 411 and the pushing end 412. In this embodiment, the receiving portion is a large diameter shoulder formed by the middle portion of the push rod 410 protruding outward.

The bottom of the kettle body 2 is provided with a sliding hole 342. Specifically, the sliding hole 342 is provided on the bottom cover 340 of the pot body 2. The toggle sliding block 450 penetrates through the sliding hole 342 and is horizontally arranged in a sliding manner, the upper end of the toggle sliding block 450 is provided with an inclined pushing rib 451, and the pushing end 412 at the lower part of the push rod 410 movably abuts against the pushing rib 451. The pushing end 412 is designed to be spherical, and when the kettle body 2 is idle, the toggle sliding block 450 is pushed to enable the pushing rib 451 to abut against the pushing end 412, so that the push rod 410 moves upwards, the elastic sealing element 440 is in sealing connection with the flow channel, and water in the kettle body 2 is prevented from flowing out through the pouring outlet 6 when the kettle body 2 is toppled; when water needs to be poured, the toggle sliding block 450 is pushed reversely, the push rod 410 is reset under the elastic force of the elastic piece, the elastic sealing piece 440 moves downwards along with the push rod, the elastic sealing piece 440 is separated from the flow channel, and the water in the kettle is ensured to flow out through the flow channel.

Meanwhile, the sealing device and the sealing valve between the first embodiment and the second embodiment of the present invention can be combined with each other to form a new embodiment, and the combination of the sealing device and the sealing valve is also within the scope of the claimed invention.

The manner of pressing the movable end 411 and applying the pushing force to the movable end 411 is not limited to the specific embodiments described in the above two embodiments. Other equivalent structures or movable members that can exert a vertical pushing force on the movable end 411 are within the scope of the present application.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims (13)

1. The utility model provides a spill-proof kettle after empting which characterized in that: comprises a kettle body, a kettle cover, a sealing valve and a sealing device, wherein a handle and a long-neck spout are respectively arranged at two sides of the kettle body, a pouring opening is formed at the joint of the long-neck spout and the kettle body, the sealing valve is arranged at the pouring opening, the sealing device is arranged on the kettle cover,

the sealing valve comprises a cover body, an elastic sealing element, a push rod, an elastic element and a support, wherein a flow channel is formed in the cover body, one end of the cover body is communicated with a pouring outlet, a movable hole is formed in the support, the movable hole is positioned under the other end of the cover body, the elastic sealing element comprises a fixed part positioned on the periphery and a sealing part positioned in the middle, the fixed part surrounds the periphery of the movable hole and is fixedly arranged, the sealing part is right opposite to the movable hole, the push rod comprises a movable end and a pushing end, a bearing part is formed between the movable end and the pushing end, the pushing end points to the bottom of the sealing part, the elastic element is arranged between the bearing part and the support, the elastic element provides downward elastic force to enable the pushing end to be far away from the sealing part, when the movable end is pressed, the pushing end overcomes the elastic force to move upwards to abut against the sealing, so that the sealing part can seal the flow passage after passing through the movable hole.

2. The post-pouring spill-proof kettle as claimed in claim 1, wherein: the bottom of kettle body is provided with the guide hole, the expansion end insert to in the guide hole and can follow the guide hole reciprocates, the elastic component provides decurrent elasticity and makes the expansion end pass stretch out in the bottom of kettle body behind the guide hole, and the height of expansion end bottom is less than the bottom of kettle body.

3. The post-pouring spill-proof kettle as claimed in claim 1, wherein: still including setting up stir the slider of expansion end below, the bottom of kettle body is provided with the sliding hole, stir the slider and run through the sliding hole just is the horizontal slip setting, stirs the slider upper end and is equipped with the top that is the slope form and pushes away the muscle, and the top of push rod lower part pushes away the end activity butt and pushes away the muscle.

4. The post-pouring spill-proof kettle as claimed in claim 1, 2 or 3, wherein: the elastic piece is a compression spring, and the compression spring is sleeved on the pushing end.

5. The post-pouring spill-proof kettle as claimed in claim 4, wherein: and when the movable end moves downwards to the lowest position, a gap is reserved between the annular boss and the bottom of the support.

6. The post-pouring spill-proof kettle as claimed in claim 5, wherein: the lower end part of the compression spring is embedded between the annular boss and the pushing end.

7. The post-pouring spill-proof kettle as claimed in claim 6, wherein: the support is further provided with a stepped shaft sleeve located right below the movable hole, the sealing portion is contained in the upper end portion of the stepped shaft sleeve, the pushing end penetrates through the lower end portion of the stepped shaft sleeve, and the upper end portion of the compression spring is sleeved on the periphery of the lower end portion of the stepped shaft sleeve.

8. The post-pouring spill-proof kettle as claimed in claim 1, 2 or 3, wherein: the sealing device comprises an air guide hole, an air inlet hole and a sealing cavity, the sealing cavity comprises a first port and a second port which are respectively located at two ends, the first port is communicated with the air guide hole, the second port is communicated with the air inlet hole, the air inlet hole is communicated with the inside of the kettle body, the air guide hole is communicated with the external atmospheric pressure, a ball body is arranged in the sealing cavity, the ball body can roll in the sealing cavity, and when the kettle body is toppled over, the ball body rolls to the first port and seals the air guide hole under the action of self gravity, or rolls to the second port and seals the air inlet hole under the action of self gravity.

9. The post-pouring spill-proof kettle as claimed in claim 8, wherein: the sealed chamber is the level setting and is in the pot lid, the horizontal central line perpendicular to in sealed chamber the common vertical plane that constitutes of long neck kettle mouth and handle, the bottom in sealed chamber is formed with concave position, and the kettle body is just standing or when being in the state of falling water, the spheroid stops in concave position.

10. The post-pouring spill-proof kettle as claimed in claim 9, wherein: the air guide hole and the air inlet hole are respectively positioned on two sides of a vertical plane formed by the long-neck kettle nozzle and the handle, and the first port is communicated with the air guide hole through an L-shaped communicating pipe.

11. The post-pouring spill-proof kettle as claimed in claim 1, 2 or 3, wherein: the sealing device comprises a first connecting channel, a second connecting channel, a third connecting channel and a third air inlet hole, the third air inlet hole is communicated with the inside of the kettle body, the two ends of the second connecting channel are respectively provided with a second via hole and a communicating end, the second via hole and the communicating end are respectively positioned at the two sides of the horizontal axis direction, one end of the first connecting channel is connected with the third air inlet hole, the other end of the first connecting channel is connected with the communicating end, one end of the third connecting channel is connected with the air guide hole, the other end of the third connecting channel is connected with the second via hole, and the third air inlet hole and the air guide hole are positioned in the horizontal axis direction.

12. The post-pouring spill-proof kettle as claimed in claim 11, wherein: the air guide hole is arranged on one side far away from the handle.

13. The post-pouring spill-proof kettle as claimed in claim 12, wherein: the first connecting channel with the contained angle that forms between the second connecting channel is the acute angle, third connecting channel is located the second connecting channel top, third connecting channel is the L type.

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