CN216907685U - Pot lid and thermo jug - Google Patents

Abstract

The utility model relates to a kettle cover and a heat preservation kettle, wherein the kettle cover comprises an upper cover, a cam disc, a kettle cover body and a handle, the handle is fixedly connected with a kettle body, the kettle cover body is detachably arranged in the handle, at least two sliding buckles capable of stretching and sliding are arranged on the kettle cover body, sliding buckle clamping grooves matched with the sliding buckles are formed in the inner side wall of the handle, the upper cover is rotatably arranged on the kettle cover body, the cam disc is connected below the upper cover and is driven by the upper cover to rotate, and the rotation of the cam disc can drive the sliding buckles to be inserted into the sliding buckle clamping grooves in a sliding mode or to be withdrawn from the sliding buckle clamping grooves. With handle fixed connection on one's body, as long as rotate the upper cover just can make the thread slipping insert in the thread slipping draw-in groove or withdraw from the thread slipping draw-in groove to make pot lid body be connected with the kettle body or with the separation of kettle body, connection structure is simple and stable, and sealed and heat preservation all realize easily, and the pot lid that opens and shuts is simple laborsaving, and the mechanism that opens and shuts is difficult for becoming invalid, after frequently opening and shutting, the cooperation that pot lid and kettle body still can be fine.

Description

Pot lid and thermo jug

Technical Field

The utility model relates to the technical field of thermo jug, in particular to a jug cover and a thermo jug.

Background

The pot lid and the kettle body of thermo jug need good leakproofness when being connected, just can guarantee that thermal insulation performance is good, and the pot lid still needs easy separation with the kettle body simultaneously, and it is not hard to open and shut the pot lid, conveniently to the kettle fill water in, and after frequently opening and shutting, pot lid and kettle body still can fine cooperation, and the leakproofness is not destroyed. For the requirements, the thermos bottle with the kettle lid screwed and connected with the kettle body through threads, the thermos bottle with the kettle lid connected with the kettle body through interference fit and the thermos bottle with the kettle lid opened and closed need to compress a spring by hand, and the common thermos bottles on the market cannot meet the requirements one by one.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a kettle cover, which has good connecting and sealing effect and good heat preservation performance, is easy to operate when the kettle cover is opened and closed, and can still be well matched with the kettle body after being opened and closed frequently.

The technical scheme includes that the kettle cover comprises an upper cover, a cam disc, a kettle cover body and a handle, wherein the handle is fixedly connected with a kettle body, the kettle cover body is detachably mounted in the handle, at least two sliding buckles capable of stretching and sliding are arranged on the kettle cover body, sliding buckle clamping grooves matched with the sliding buckles are formed in the inner side wall of the handle, the upper cover is rotatably arranged on the kettle cover body, the cam disc is connected to the lower portion of the upper cover and driven by the upper cover to rotate, and the rotation of the cam disc can drive the sliding buckles to be slidably inserted into the sliding buckle clamping grooves or to be withdrawn from the sliding buckle clamping grooves.

Compared with the prior art, the kettle cover has the following advantages: the handle can be fixedly connected to the kettle body, the kettle cover body can be connected with the kettle body by inserting the slide fastener into the slide fastener clamping groove of the handle, the slide fastener is withdrawn from the slide fastener clamping groove, and the kettle cover body can be separated from the kettle body, so that the connecting structure is simple and stable, and sealing and heat preservation are easy to realize; the slide fastener can be inserted into the slide fastener clamping groove or withdrawn from the slide fastener clamping groove only by rotating the upper cover, and the opening and closing of the kettle cover are simple and labor-saving; every time the kettle cover is opened and closed, the stress direction and the stress magnitude of the cam disc on the slide fastener are stable, the opening and closing mechanism is not easy to lose efficacy, and the kettle cover and the kettle body can still be well matched after the kettle cover is opened and closed frequently. In addition, the handle is arranged as a connection medium between the kettle lid body and the kettle body, so that the requirement on the adaptation precision between the kettle lid body and the kettle body is reduced, and the difficulty in production and assembly is reduced.

Preferably, a working surface for driving the slide fastener to slide is arranged on the cam disc, a first reset elastic element is arranged between the slide fastener and the kettle cover body, the working surface is used for sliding relative to the slide fastener when the cam disc rotates and pushing the slide fastener to be inserted into the slide fastener clamping groove and compressing the first reset elastic element, and the first reset elastic element is used for pushing the slide fastener to withdraw from the slide fastener clamping groove when rebounding. By adopting the structure, the upper cover is rotated, the cam disc rotates, the working surface slides relative to the slide fastener, the opening and closing mechanism that the working surface pushes the slide fastener to be inserted into the slide fastener clamping groove and the first reset elastic piece pushes the slide fastener to withdraw from the slide fastener clamping groove is adopted, and the structure is simple and convenient.

Preferably, the two ends of the working surface are respectively provided with a locking return hook and a withdrawing return hook, the distance between the locking return hook and the center of the upper cover is larger than the distance between the withdrawing return hook and the center of the upper cover, when the slide fastener is inserted into the slide fastener clamping groove, the slide fastener is positioned at the locking return hook and is limited by the locking return hook, and when the slide fastener is withdrawn from the slide fastener clamping groove, the slide fastener is positioned at the withdrawing return hook and is limited by the withdrawing return hook. By adopting the structure, the upper cover is rotated, the cam disc rotates, the working surface slides relative to the slide fastener, when the locking return hook gradually approaches the slide fastener, the working surface pushes the slide fastener to gradually move towards the inner side wall of the handle until the slide fastener is inserted into the slide fastener clamping groove, the locking return hook limits the slide fastener, the situation that the opening and closing of the cover body on the lower side are influenced by the separation of the working surface and the slide fastener is avoided, and the first reset elastic element is compressed in the process; when the retreating return hook is gradually close to the slide fastener, the working face gradually reduces acting force on the slide fastener, the first reset elastic piece gradually rebounds and pushes the slide fastener to retreat until retreating from the slide fastener clamping groove, the retreating return hook is limited to the slide fastener, the cover body on one side is prevented from being opened and closed under the influence of separation of the working face and the slide fastener, and the opening and closing mechanism is simple.

Preferably, the cam disc is provided with a working hole or a working groove for driving the sliding buckle to slide, the sliding buckle is connected with the working hole or the working groove, and the working hole or the working groove is used for sliding relative to the sliding buckle and pushing the sliding buckle to be inserted into the sliding buckle clamping groove or to be withdrawn from the sliding buckle clamping groove when the cam disc rotates. By adopting the structure, the upper cover is rotated, the cam disc rotates, the working hole or the working groove slides relative to the slide fastener and is always connected with the slide fastener in the sliding process, the slide fastener is directly driven by the cam disc when being inserted into or withdrawn from the slide fastener clamping groove, a reset elastic part is not needed, and the opening and closing mechanism is simple and stable.

Preferably, two ends of the working hole or the working groove are respectively provided with a locking end and a withdrawing end, the distance between the locking end and the center of the upper cover is larger than the distance between the withdrawing end and the center of the upper cover, when the slide fastener is inserted into the slide fastener clamping groove, the slide fastener is positioned at the locking end and limited by the locking end, and when the slide fastener is withdrawn from the slide fastener clamping groove, the slide fastener is positioned at the withdrawing end and limited by the withdrawing end. By adopting the structure, the distance between the locking end and the center of the upper cover is larger than that between the retreating end and the center of the upper cover, when the locking end is close to the slide fastener, the working hole or the working groove pushes the slide fastener to gradually move towards the inner side wall of the handle until the slide fastener is inserted into the slide fastener clamping groove, the slide fastener is limited by the locking end and cannot be separated from the working hole or the working groove, and the influence on the opening and closing of the cover body on the lower side is avoided; when the retreating end is close to the slide fastener, the working hole or the working groove pushes the slide fastener to gradually retreat until the slide fastener is withdrawn from the slide fastener clamping groove, the slide fastener is limited by the retreating end and cannot be separated from the working hole or the working groove, and the cover body on one side is prevented from being influenced to be opened and closed.

Preferably, the slide fastener is provided with an upright post, the cam disc is in contact with the upright post, the cam disc can drive the upright post to move towards the slide fastener clamping groove by rotating so as to enable the slide fastener to be inserted into the slide fastener clamping groove in a sliding manner, and the cam disc can drive the upright post to move back to the slide fastener clamping groove by rotating so as to enable the slide fastener to be withdrawn from the slide fastener clamping groove. By adopting the structure, the upright post is arranged to be in contact with the cam disc, so that the cam disc can smoothly push the upright post to move towards the slide fastener clamping groove or move back to the slide fastener clamping groove, the slide fastener is inserted into the slide fastener clamping groove in a sliding way or withdrawn from the slide fastener clamping groove, and the phenomenon that the contact position of the cam disc and the slide fastener is unstable to influence transmission is avoided.

Preferably, the column is provided with a cam plate bearing surface, which is a stepped surface for bearing the cam plate. By adopting the structure, the cam disc is supported by the cam disc supporting surface on the upright post, so that the upper cover is prevented from bearing the gravity of the cam disc to influence the transmission torque of the upper cover on the cam disc; the cam plate bearing surface is a step surface, the contact area with the cam plate is small, the friction force on the cam plate is also small, and the resistance force on the cam plate is also small when the cam plate rotates.

Preferably, the center of the inner side of the upper cover is provided with a clamping transmission structure, the center of the cam disc is provided with a clamping transmission hole matched with the clamping transmission structure, and the clamping transmission structure is inserted into the clamping transmission hole and can transmit torque to the cam disc. By adopting the structure, the structure is simple and easy to assemble.

Preferably, the kettle cover further comprises a supporting cover, the supporting cover is fixedly connected to the kettle cover body, the upper cover is rotatably arranged on the supporting cover, the supporting cover is used for supporting the upper cover, the cam disc is located on the lower side of the supporting cover, a central hole is formed in the supporting cover, and the clamping transmission structure penetrates through the central hole and is inserted into the clamping transmission hole. By adopting the structure, the upper cover is supported by the supporting cover, thereby avoiding the upper cover from pressing on the cam disc to influence the torque transmission of the upper cover to the cam disc and facilitating the rotation of the upper cover.

Preferably, the kettle cover body is provided with a sliding chute, the sliding buckle is arranged in the sliding chute, and the sliding chute is used for guiding the sliding buckle in a telescopic sliding manner. By adopting the structure, the sliding chute is used for guiding, the sliding buckle can be smoothly inserted into the sliding buckle clamping groove or withdrawn from the sliding buckle clamping groove, and the sliding buckle is prevented from shifting left and right when sliding and being incapable of aligning the sliding buckle clamping groove.

Preferably, be provided with down the water passageway and the switch of pouring water on the pot lid body, the switch of pouring water includes button push rod and shutoff bottom plate, the shutoff bottom plate sets up in the below of the passageway of pouring water and is used for sealing down the water passageway, be provided with the handle on the handle, the one end setting of button push rod is on the handle and exposes outside the pot lid, the other end is used for driving the shutoff bottom plate and opens down the water passageway, be provided with the second elastic component that resets between button push rod and the pot lid body, be provided with the third elastic component that resets between shutoff bottom plate and the pot lid body, when button push rod drive shutoff bottom plate opened down the water passageway, the second elastic component that resets and the third elastic component that resets all compressed, the second elastic component that resets is used for making the button push rod reset when kick-backing, the third elastic component that resets is used for making the shutoff bottom plate reset and seals down the water passageway when kick-backing. By adopting the structure, the handle is held by a single hand and the water pouring operation can be completed by pressing the push button push rod by a thumb, so that the water pouring operation is simple and convenient.

Preferably, be connected with the kicking block on the shutoff bottom plate, the kicking block sets up at the pot lid originally internally, the third elastic component that resets both ends conflict with kicking block and pot lid body respectively, button push rod's the other end is provided with the transmission inclined plane or the transmission curved surface that are used for bulldozing the kicking block, be provided with on the kicking block with transmission inclined plane or transmission curved surface complex stress surface, thereby transmission inclined plane or transmission curved surface are used for conflicting stress surface and slide on stress surface and make kicking block downstream drive shutoff bottom plate open the passageway of falling water, the third elastic component that resets is used for making the kicking block drive the shutoff bottom plate upward movement when kick-backing and seals the passageway of falling water. By adopting the structure, the ejector block is adopted to transmit between the button push rod and the plugging bottom plate, the transmission inclined plane or the transmission curved surface on the button push rod is matched with the stress surface on the ejector block, the transmission effectiveness is improved, the plugging bottom plate can be smoothly opened to form a water pouring channel by pressing the button push rod, the ejector block is manufactured independently, a complex structure does not need to be processed on the plugging bottom plate, and the improvement of the production efficiency is facilitated.

Preferably, the blocking bottom plate is provided with a blocking convex block, the blocking convex block is used for blocking the end part of the water pouring channel, the blocking convex block is provided with a second sealing ring, and the second sealing ring is used for enabling the blocking convex block to be in interference fit with the end part of the water pouring channel. By adopting the structure, when the plugging bottom plate closes the water pouring channel, the second sealing ring can eliminate the gap between the plugging convex block and the water pouring channel, the sealing effect is good, and the heat preservation effect is also good.

Preferably, a supporting rod is arranged on the plugging bottom plate, penetrates through the pot cover body and is connected with the jacking block, a third sealing ring is arranged on the supporting rod, and the third sealing ring is used for enabling the supporting rod to be in interference fit with the pot cover body. By adopting the structure, the third sealing ring can eliminate the gap between the support rod and the kettle cover body, the sealing effect is good, the heat transfer inside and outside the kettle caused by the air leakage at the support rod is prevented, and the heat preservation effect is also good.

Another technical problem to be solved by the present invention is to provide a thermos bottle, which is simple in connection between the lid and the bottle body, good in sealing effect, easy to operate when opening and closing the lid, stable in opening and closing mechanism and not easy to lose efficacy.

The technical scheme includes that the thermos bottle comprises a bottle body and the bottle cover, a handle is connected with the bottle body, a step surface is arranged on the inner side wall of the bottle body, a first sealing ring is arranged at the lower end of a bottle cover body, and when the bottle cover body is installed in the handle, the first sealing ring is pressed on the step surface by the lower end of the bottle cover body.

Compared with the prior art, the thermos flask has the following advantages: as long as guarantee kettle body and handle's size match just can install the pot lid on one's body the kettle, make the thread slipping insert in the thread slipping draw-in groove of handle just can make pot lid and kettle body close, make the thread slipping withdraw from the thread slipping draw-in groove and just can open the pot lid, the pot lid easy to operate that opens and shuts, the mechanism of opening and shutting is stable difficult for inefficacy, when closing the pot lid, first sealing washer is compressed tightly by the lower extreme of pot lid body the step face on, promoted the sealed effect of pot lid to the kettle body greatly, it is effectual to keep warm.

Drawings

FIG. 1 is a schematic sectional view of a thermo jug according to the present invention.

Fig. 2 is an exploded view of embodiment 1 of the thermo jug of the present invention.

Fig. 3 is an exploded view of the lid of embodiment 1 of the thermo jug according to the utility model.

Fig. 4 is a schematic structural view of a cam disk in embodiment 1 of the thermo jug according to the present invention.

Fig. 5 is a schematic structural view of a cam disk in embodiment 2 of the thermo jug according to the present invention.

As shown in the figure: 1. the pot lid comprises an upper cover 1-1, a clamping transmission structure 1-3, a rotary handle 2, a support cover 2-1, a central hole 2-2, a clamping groove 3, a pot lid body 3-1, a slide fastener 3-11, a column 3-12, a cam disc bearing surface 3-2, a slide fastener spring 3-3, a water pouring channel 3-31, a water inlet 3-32, a water outlet 3-4, a first sealing ring 3-5, a sliding groove 4, a handle 4-1, a slide fastener clamping groove 4-2, a pot nozzle 4-3, a lifting handle 5, a blocking bottom plate 5-1, a blocking lug 5-2, a second sealing ring 5-3, a support rod 5-31, a third sealing ring 6-1, a button push rod 6-11, a rotary handle and a rotary handle, The pot comprises, by weight, 6-3 parts of a transmission inclined plane, 6-31 parts of a top block, 6-32 parts of a stress surface, 6-4 parts of a support rod clamping hole, 6-5 parts of a top block spring, 7 parts of a push rod spring, 8 parts of a pot body, 8 parts of a cam disc, 8-1 parts of a working surface, 8-11 parts of a locking return hook, 8-12 parts of a returning return hook, 8-2 parts of a working hole, 8-21 parts of a locking end, 8-22 parts of a returning end, 8-3 parts of a clamping transmission hole.

Detailed Description

For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness, size, and shape of an object have been slightly exaggerated for convenience of explanation. The figures are purely diagrammatic and not drawn to scale.

It will be further understood that the terms "comprises," "comprising," "includes," "including," and/or "including," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Further, when a statement such as "… at least one" appears after the list of listed features, the entire listed feature is modified rather than modifying individual elements in the list.

Example 1:

as shown in fig. 1 to 2, the thermos bottle of the present invention comprises a bottle body 7 and a bottle lid, wherein the bottle body 7 is made of double-layer stainless steel, a vacuum is pumped between the two layers of stainless steel to eliminate air medium heat transfer and improve the insulation effect, the upper end of the bottle body 7 is provided with a buckle structure, and the inner side wall of the upper end of the bottle body 7 is further provided with a step surface.

As shown in fig. 2 and 3, the pot lid comprises an upper lid 1, a supporting lid 2, a cam disc 8, a pot lid body 3, a blocking bottom plate 5 and a handle 4, wherein the lower end of the handle 4 is connected with the upper end of a pot body 7 in a buckling manner (as shown in fig. 1), the handle 4 is provided with a lifting handle 4-3 and a pot nozzle 4-2, and the inner side wall of the handle 4 is provided with two slide fastener slots 4-1 with opposite front surfaces. The kettle cover body 3 is detachably mounted in the handle 4, a first sealing ring 3-4 is arranged at the lower end of the kettle cover body 3, two sliding grooves 3-5 which are opposite to the sliding buckle clamping grooves 4-1 one by one are formed in the kettle cover body 3, sliding buckles 3-1 which can slide in a telescopic mode are arranged in the sliding grooves 3-5, the sliding grooves 3-5 guide the sliding buckles 3-1 in a telescopic sliding mode, the front ends of the sliding buckles 3-1 can be inserted into the sliding buckle clamping grooves 4-1 or withdrawn from the sliding buckle clamping grooves 4-1, first reset elastic pieces are connected to the front ends of the sliding buckles 3-1, two ends of each first reset elastic piece respectively abut against the sliding buckles 3-1 and the kettle cover body 3, and in the embodiment, the first reset elastic pieces are sliding buckle springs 3-2. When the kettle cover body 3 is arranged in the handle 4, the lower end of the kettle cover body 3 extends into the kettle body 7, the front ends of the two slide fasteners 3-1 are inserted into the corresponding slide fastener clamping grooves 4-1, the first sealing rings 3-4 enable the kettle cover body 3 to be in interference fit with the inner side wall of the kettle body 7, and meanwhile, the first sealing rings 3-4 are also pressed on the step surface on the inner side wall of the upper end of the kettle body 7 by the lower end of the kettle cover body 3.

The support cover 2 is provided with a clamping groove 2-2, the upper side of the kettle cover body 3 is provided with a buckle matched with the clamping groove 2-2, the support cover 2 is connected on the kettle cover body 3 in a buckling way (as shown in figure 1), the upper cover 1 is positioned on the upper side of the support cover 2, the cam disc 8 is positioned on the lower side of the support cover 2, the center of the inner side of the upper cover 1 is provided with a clamping transmission structure 1-1, the support cover 2 is provided with a central hole 2-1, the center of the cam disc 8 is provided with a clamping transmission hole 8-3 matched with the clamping transmission structure 1-1, the clamping transmission structure 1-1 passes through the central hole 2-1 and is inserted into the clamping transmission hole 8-3, the supporting cover 2 supports the upper cover 1, the outer side of the upper cover 1 is provided with a rotating handle 1-3, and the rotating handle 1-3 is twisted to enable the upper cover 1 to rotate on the supporting cover 2 and transmit torque to the cam disc 8.

As shown in figure 4, a working surface 8-1 for driving the slide fastener 3-1 to slide is arranged on the cam disc 8, a locking return hook 8-11 and a retraction return hook 8-12 are respectively arranged at two ends of the working surface 8-1, the distance between the locking return hook 8-11 and the center of the upper cover 1 is larger than the distance between the retraction return hook 8-12 and the center of the upper cover 1, a column 3-11 is arranged on the slide fastener 3-1, a cam disc bearing surface 3-12 is arranged on the column 3-11, the cam disc bearing surface 3-12 is a step surface, the cam disc 8 is arranged on the cam disc bearing surface 3-12, and the working surface 8-1 is always contacted with the side surface of the column 3-11.

When the cam disc 8 rotates, the working surface 8-1 slides relative to the upright post 3-11, when the locking return hook 8-11 is gradually close to the upright post 3-11, the working surface 8-1 gradually pushes the upright post 3-11 to move towards the slide fastener clamping groove 4-1, so that the slide fastener 3-1 is gradually inserted into the slide fastener clamping groove 4-1 and compresses the slide fastener spring 3-2, when the slide fastener 3-1 is inserted into the slide fastener clamping groove 4-1, the upright post 3-11 is positioned at the locking return hook 8-11 and limited by the locking return hook 8-11, at the moment, the kettle cover body 3 is inserted into the handle 4, and the kettle cover can not be separated from the kettle body when closed; when the retreating return hook 8-12 is gradually close to the upright post 3-11, the working surface 8-1 gradually reduces the acting force on the upright post 3-11, the slide fastener spring 3-2 rebounds to enable the upright post 3-11 to move back to the slide fastener clamping groove 4-1, so that the slide fastener 3-1 is gradually withdrawn from the slide fastener clamping groove 4-1, and when the slide fastener 3-1 is completely withdrawn from the slide fastener clamping groove 4-1, the upright post 3-11 is positioned at the retreating return hook 8-12 and limited by the retreating return hook 8-12, at the moment, the kettle cover body 3 is separated from the handle 4, and the upper cover 1 can be lifted upwards to open the kettle cover.

As shown in figures 1 and 3, a water pouring channel 3-3 and a water pouring switch are arranged on the kettle cover body 3, openings at two ends of the water pouring channel 3-3 are respectively a water inlet 3-31 and a water outlet 3-32, the water inlet 3-31 is arranged inside the kettle, and the water outlet 3-32 is arranged inside the spout 4-2 and communicated with the outside of the kettle. The water pouring switch comprises a button push rod 6-1, a top block 6-3 and a blocking bottom plate 5, one end of the button push rod 6-1 is arranged on the handle 4-3 and is exposed outside the kettle cover, the water pouring switch is convenient to press when the kettle is lifted by a single hand, a transmission inclined plane 6-11 is arranged at the other end of the button push rod 6-1, a second reset elastic piece is arranged between the button push rod 6-1 and the kettle cover body 3, and in the embodiment, the second reset elastic piece adopts a push rod spring 6-5. The top block 6-3 is arranged in the kettle cover body 3, a stress surface 6-31 matched with the transmission inclined surface 6-11 is arranged on the top block 6-3, a third reset elastic part is arranged below the top block 6-3, two ends of the third reset elastic part are respectively abutted against the top block 6-3 and the kettle cover body 3, in the embodiment, the third reset elastic part adopts a top block spring 6-4, and a support rod clamping hole 6-32 is further arranged on the top block 6-3. The plugging bottom plate 5 is arranged below the kettle cover body 3, a plugging convex block 5-1 and a support rod 5-3 are arranged on the plugging bottom plate 5, the end part of the support rod 5-3 penetrates through the kettle cover body 3 to be connected into a support rod clamping hole 6-32, a third sealing ring 5-31 is arranged on the support rod 5-3, the third sealing ring 5-31 enables the support rod 5-3 to be in interference fit with the kettle cover body 3, the plugging convex block 5-1 is opposite to the water inlet 3-31, a second sealing ring 5-2 is arranged on the plugging convex block 5-1, the plugging convex block 5-1 is used for sealing the water inlet 3-31, and the second sealing ring 5-2 enables the plugging convex block 5-1 to be in interference fit with the water inlet 3-31.

When the push rod 6-1 is pressed, the push rod spring 6-5 is compressed, the transmission inclined surface 6-11 at the front end of the push rod 6-1 abuts against the stress surface 6-31 of the top block 6-3 and slides on the stress surface 6-31 to drive the top block 6-3 to move downwards, the top block spring 6-4 is compressed, the top block 6-3 presses the support rod 5-3 downwards to enable the plugging bottom plate 5 to move downwards, the plugging convex block 5-1 is separated from the water inlet 3-31, the water inlet 3-31 is opened, the water pouring channel 3-3 is communicated up and down, and at the moment, water can be poured out of the kettle. The push rod 6-1 of the push button is released, the push rod spring 6-5 rebounds, the push rod 6-1 of the push button returns to reset, force is not applied to the top block 6-3 any more, the top block spring 6-4 rebounds to push the top block 6-3 to drive the plugging bottom plate 5 to move upwards together, the plugging convex block 5-1 is tightly pressed at the water inlet 3-31, the second sealing ring 5-2 enables the water inlet 3-31 to be completely sealed, and at the moment, water in the kettle cannot fall out. The top block 6-3 moves upwards and also pushes the transmission inclined plane 6-11, so that the push rod 6-1 of the button is retracted and reset.

Example 2:

as shown in figure 5, the thermos flask in the embodiment is different from embodiment 1 in that an arc-shaped working hole 8-2 for driving a slide fastener 3-1 to slide is arranged on a cam disc 8, two ends of the working hole 8-2 are respectively provided with a locking end 8-21 and a withdrawing end 8-22, the distance between the locking end 8-21 and the center of an upper cover 1 is larger than that between the withdrawing end 8-22 and the center of the upper cover 1, the cam disc 8 is arranged on a cam disc supporting surface 3-12, an upright post 3-11 is upwards inserted into the working hole 8-2, and a return elastic piece is not arranged between the slide fastener 3-1 and a flask cover body 3.

When the cam disc 8 rotates, the working hole 8-2 slides relative to the upright post 3-11, when the locking end 8-21 gradually approaches the upright post 3-11, the hole wall of the working hole 8-2 gradually pushes the upright post 3-11 to move towards the slide fastener clamping groove 4-1, so that the slide fastener 3-1 is gradually inserted into the slide fastener clamping groove 4-1, and when the slide fastener 3-1 is inserted into the slide fastener clamping groove 4-1, the upright post 3-11 is positioned at the locking end 8-21 and limited by the locking end 8-21; when the retreating end 8-22 is gradually close to the upright post 3-11, the hole wall of the working hole 8-2 gradually pushes the upright post 3-11 to move back to the slide fastener clamping groove 4-1, so that the slide fastener 3-1 is gradually withdrawn from the slide fastener clamping groove 4-1, and when the slide fastener 3-1 is completely withdrawn from the slide fastener clamping groove 4-1, the upright post 3-11 is positioned at the retreating end 8-22 and is limited by the retreating end 8-22.

The above are merely specific examples of the present invention, and are not intended to limit the scope of the utility model; it is intended that the following claims be interpreted as including all such alterations, modifications, and equivalents as fall within the true spirit and scope of the utility model.

Claims (15)

1. A pot lid is characterized by comprising an upper lid (1), a cam disc (8), a pot lid body (3) and a handle (4), wherein the handle (4) is fixedly connected with a pot body, the pot lid body (3) is detachably mounted in the handle (4), at least two sliding buckles (3-1) capable of sliding in a telescopic mode are arranged on the pot lid body (3), sliding buckle clamping grooves (4-1) matched with the sliding buckles (3-1) are formed in the inner side wall of the handle (4), the upper lid (1) is rotatably arranged on the pot lid body (3), the cam disc (8) is connected to the lower portion of the upper lid (1) and driven by the upper lid (1) to rotate, and the cam disc (8) can drive the sliding buckles (3-1) to be inserted into the sliding buckle clamping grooves (4-1) in a sliding mode or withdraw from the sliding buckle clamping grooves (4-1) in a rotating mode.

2. The kettle lid as claimed in claim 1, wherein the cam disc (8) is provided with a working surface (8-1) for driving the slide fastener (3-1) to slide, a first return elastic member is arranged between the slide fastener (3-1) and the kettle lid body (3), the working surface (8-1) is used for sliding relative to the slide fastener (3-1) when the cam disc (8) rotates and pushing the slide fastener (3-1) to insert into the slide fastener slot (4-1) and compressing the first return elastic member, and the first return elastic member is used for pushing the slide fastener (3-1) to withdraw from the slide fastener slot (4-1) when rebounding.

3. The kettle lid according to claim 2, wherein the two ends of the working surface (8-1) are respectively provided with a locking return hook (8-11) and a withdrawing return hook (8-12), the distance between the locking return hook (8-11) and the center of the upper lid (1) is larger than the distance between the withdrawing return hook (8-12) and the center of the upper lid (1), when the slide fastener (3-1) is inserted into the slide fastener clamping groove (4-1), the slide fastener (3-1) is positioned at the locking return hook (8-11) and limited by the withdrawing return hook (8-11), and when the slide fastener (3-1) withdraws from the slide fastener clamping groove (4-1), the slide fastener (3-1) is positioned at the withdrawing return hook (8-12) and limited by the withdrawing return hook (8-12).

4. The kettle lid as claimed in claim 1, wherein the cam disc (8) is provided with a working hole (8-2) or a working groove for driving the slide fastener (3-1) to slide, the slide fastener (3-1) is connected with the working hole (8-2) or the working groove, and the working hole (8-2) or the working groove is used for sliding relative to the slide fastener (3-1) and pushing the slide fastener (3-1) to be inserted into the slide fastener slot (4-1) or withdrawn from the slide fastener slot (4-1) when the cam disc (8) rotates.

5. The kettle lid according to claim 4, characterized in that the two ends of the working hole (8-2) or the working groove are respectively provided with a locking end (8-21) and a withdrawing end (8-22), the distance between the locking end (8-21) and the center of the upper lid (1) is larger than the distance between the withdrawing end (8-22) and the center of the upper lid (1), when the slide fastener (3-1) is inserted into the slide fastener slot (4-1), the slide fastener (3-1) is positioned at the locking end (8-21) and limited by the withdrawing end (8-21), and when the slide fastener (3-1) is withdrawn from the slide fastener slot (4-1), the slide fastener (3-1) is positioned at the withdrawing end (8-22) and limited by the withdrawing end (8-22).

6. The kettle lid as claimed in any one of claims 1 to 5, wherein the slide fastener (3-1) is provided with a vertical post (3-11), the cam disc (8) is in contact with the vertical post (3-11), the cam disc (8) can rotate to push the vertical post (3-11) to move towards the slide fastener slot (4-1) so as to enable the slide fastener (3-1) to be inserted into the slide fastener slot (4-1) in a sliding manner, and the cam disc (8) can rotate to enable the vertical post (3-11) to move back to the slide fastener slot (4-1) so as to enable the slide fastener (3-1) to be withdrawn from the slide fastener slot (4-1).

7. Kettle lid according to claim 6, characterized in that the column (3-11) is provided with a cam disc bearing surface (3-12), the cam disc bearing surface (3-12) being a step surface for bearing the cam disc (8).

8. Pot lid according to claim 1, characterised in that the centre of the inner side of the upper lid (1) is provided with a detent transmission structure (1-1), the centre of the cam disc (8) is provided with a detent transmission hole (8-3) cooperating with the detent transmission structure (1-1), the detent transmission structure (1-1) is inserted into the detent transmission hole (8-3) and can transmit torque to the cam disc (8).

9. The kettle lid as claimed in claim 8, further comprising a support lid (2), wherein the support lid (2) is fixedly connected to the kettle lid body (3), the upper lid (1) is rotatably disposed on the support lid (2), the support lid (2) is used for supporting the upper lid (1), the cam disc (8) is located at the lower side of the support lid (2), the support lid (2) is provided with a central hole (2-1), and the detent transmission structure (1-1) is inserted into the detent transmission hole (8-3) through the central hole (2-1).

10. The kettle lid according to claim 1, wherein the kettle lid body (3) is provided with a sliding groove (3-5), the sliding buckle (3-1) is arranged in the sliding groove (3-5), and the sliding groove (3-5) is used for guiding the sliding buckle (3-1) in a telescopic sliding manner.

11. The kettle lid as claimed in claim 1, wherein the kettle lid body (3) is provided with a water pouring channel (3-3) and a water pouring switch, the water pouring switch comprises a button push rod (6-1) and a blocking bottom plate (5), the blocking bottom plate (5) is arranged below the water pouring channel (3-3) and is used for closing the water pouring channel (3-3), the handle (4) is provided with a lifting handle (4-3), one end of the button push rod (6-1) is arranged on the lifting handle (4-3) and is exposed outside the kettle lid, the other end of the button push rod is used for driving the blocking bottom plate (5) to open the water pouring channel (3-3), a second reset elastic piece is arranged between the button push rod (6-1) and the kettle lid body (3), and a third reset elastic piece is arranged between the blocking bottom plate (5) and the kettle lid body (3), when the button push rod (6-1) drives the plugging bottom plate (5) to open the water pouring channel (3-3), the second reset elastic piece and the third reset elastic piece are both compressed, the second reset elastic piece is used for enabling the button push rod (6-1) to reset when rebounding, and the third reset elastic piece is used for enabling the plugging bottom plate (5) to reset and close the water pouring channel (3-3) when rebounding.

12. The pot lid as claimed in claim 11, wherein the plugging base plate (5) is connected with a top block (6-3), the top block (6-3) is arranged in the pot lid body (3), two ends of a third restoring elastic member respectively abut against the top block (6-3) and the pot lid body (3), the other end of the push button rod (6-1) is provided with a transmission inclined plane (6-11) or a transmission curved surface for pushing the top block (6-3), the top block (6-3) is provided with a stress surface (6-31) matched with the transmission inclined plane (6-11) or the transmission curved surface, the transmission inclined plane (6-11) or the transmission curved surface is used for abutting against the stress surface (6-31) and sliding on the stress surface (6-31) so that the top block (6-3) moves downwards to drive the plugging base plate (5) to open the water pouring channel (3-3), the third reset elastic piece is used for enabling the top block (6-3) to drive the plugging bottom plate (5) to move upwards to close the water pouring channel (3-3) when rebounding.

13. Kettle lid according to claim 11 or 12, characterized in that the blocking bottom plate (5) is provided with a blocking protrusion (5-1), the blocking protrusion (5-1) is used for blocking the end of the pouring channel (3-3), the blocking protrusion (5-1) is provided with a second sealing ring (5-2), and the second sealing ring (5-2) is used for interference fit of the blocking protrusion (5-1) and the end of the pouring channel (3-3).

14. Kettle lid according to claim 11 or 12, characterized in that the plugging base plate (5) is provided with a support rod (5-3), the support rod (5-3) passes through the kettle lid body (3) and is connected with the top block (6-3), the support rod (5-3) is provided with a third sealing ring (5-31), and the third sealing ring (5-31) is used for interference fit of the support rod (5-3) and the kettle lid body (3).

15. A thermos bottle, characterized in that, it comprises a bottle body (7) and a bottle lid as in any one of claims 1 to 14, the handle (4) is connected with the bottle body (7), a step surface is arranged on the inner side wall of the bottle body (7), a first sealing ring (3-4) is arranged at the lower end of the bottle lid body (3), when the bottle lid body (3) is installed in the handle (4), the first sealing ring (3-4) is pressed tightly on the step surface by the lower end of the bottle lid body (3).

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