CN216907688U - Pot lid and heat preservation kettle - Google Patents

Abstract

The utility model relates to a kettle lid and a heat preservation kettle, the kettle lid comprises a rotary lid, a lid body and a handle, the lid body is detachably arranged in the handle, the lid body is provided with at least two sliding buckles capable of sliding in a telescopic manner, the inner side wall of the handle is provided with a clamping groove opposite to the sliding buckles, the sliding buckles can slide in the clamping groove or withdraw from the clamping groove, the rotary lid is rotatably arranged on the lid body, the rotary lid is provided with a rotary push strip matched with the sliding buckles, the rotary push strip is provided with a locking part and a withdrawing part, the distance between the locking part and the center of the rotary lid is larger than that between the withdrawing part and the center of the rotary lid, the rotary lid can enable the rotary push strip to slide relative to the sliding buckles in a rotating manner, when the sliding buckles are inserted into the clamping grooves, the locking part is opposite to or in contact with the sliding buckles, and when the sliding buckles are withdrawn from the clamping grooves, the withdrawing part is opposite to or in contact with the sliding buckles. The handle is fixedly connected to the kettle body, so that the sliding buckle is inserted into the clamping groove of the handle or withdraws from the clamping groove to close or open the kettle cover, the kettle cover is simple and labor-saving to open and close, and the sealing and heat-preserving effects are good.

Description

Pot lid and heat preservation kettle

Technical Field

The utility model relates to the technical field of heat preservation kettles, in particular to a kettle cover and a heat preservation kettle.

Background

Along with the improvement of the quality of life, the common glass liner thermos bottle at home can not follow the beauty of people, and the common glass liner thermos bottle has the advantages that various stainless steel thermos bottles appear on the market instead, the whole appearance is novel and attractive, the kettle cover is connected with the kettle body in a sealing manner, and the heat preservation performance is good. The kettle cover and the kettle body of some heat preservation kettles are connected through screw threads in a screwing manner, so that the kettle cover is hard to open and close; the kettle cover and the kettle body of some thermal insulation kettles are connected in an interference fit manner, and after hot water is filled in the kettles, the kettle cover is easy to eject out by steam, so that the thermal insulation effect is lost, and the kettle cover is dangerous to fall off when water is poured; some thermo jug's pot lid and kettle body are connected with the draw-in groove through the thread slipping, are connected with the spring on the thread slipping, open the pot lid and need make the thread slipping withdraw from the draw-in groove with hand compression spring, close the pot lid then will loosen the hand and make the spring kick-back promote the thread slipping and get into the draw-in groove, not only hard with hand compression spring, spring on the thread slipping still often can shift the leap owing to the reason of atress direction and atress size, sometimes even take place the spring inefficacy, lead to the mechanism of opening and shutting of pot lid and kettle body to become invalid. In the above mentioned thermo jug, the connection mode of the lid and the body is not ideal.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a kettle cover, which has a simple structure for connecting the kettle cover and a kettle body, good sealing effect, easy operation for opening and closing the kettle cover, and stable opening and closing mechanism and difficult failure.

The technical scheme includes that the kettle cover comprises a rotary cover body, a cover body and a handle, wherein the cover body is detachably mounted in the handle, at least two sliding buckles capable of sliding in a telescopic mode are arranged on the cover body, clamping grooves opposite to the sliding buckles are formed in the inner side wall of the handle, the sliding buckles can slide in the clamping grooves or can be withdrawn from the clamping grooves, the rotary cover body is rotatably arranged on the cover body, a rotary push strip matched with the sliding buckles is arranged on the rotary cover body, a locking portion and a withdrawing portion are arranged on the rotary push strip, the distance between the locking portion and the center of the rotary cover body is larger than the distance between the withdrawing portion and the center of the rotary cover body, the rotary push strip can slide relative to the sliding buckles in a rotating mode, when the sliding buckles are inserted into the clamping grooves, the locking portion is opposite to or in contact with the sliding buckles, and when the sliding buckles are withdrawn from the clamping grooves, the withdrawing portion is opposite to or in contact with the sliding buckles.

Compared with the prior art, the kettle cover has the following advantages: the handle can be fixedly connected to the kettle body, the cover body can be connected with the kettle body by inserting the slide fastener into the clamping groove of the handle, the cover body can be separated from the kettle body by withdrawing the slide fastener from the clamping groove, the connection structure is simple and stable, the kettle cover cannot be ejected out by steam, and the sealing and heat preservation effects are good; the slide fastener can be inserted into the clamping groove or withdrawn from the clamping groove only by rotating the rotary cover, the kettle cover can be opened and closed simply and laborsavingly, the stress direction and the stress magnitude of the slide fastener are stable every time the kettle cover is opened and closed, and the opening and closing mechanism is not easy to lose efficacy.

Preferably, the sliding buckle is provided with a blocking wall, the outer side of the blocking wall is opposite to the inner side wall of the handle, the rotating push bar is positioned on the outer side of the blocking wall, a first reset elastic piece is arranged between the sliding buckle and the cover body and positioned on the inner side of the blocking wall, when the sliding buckle is withdrawn from the clamping groove, the reset part is abutted against the blocking wall, the first reset elastic piece is compressed, and when the sliding buckle is inserted into the clamping groove, the first reset elastic piece rebounds, and the locking part is opposite to or in contact with the blocking wall. By adopting the structure, the rotating screw cover rotates, the rotating push strip slides relative to the slide fastener, when the retreating part is gradually close to the slide fastener, the slide fastener can retreat and compress the first reset elastic piece, and when the locking part is gradually close to the slide fastener, the first reset elastic piece can rebound and push the slide fastener to be inserted into the clamping groove, so that the opening and closing mechanism is simple; the pot lid is all connected on one's body basically when using, and when closing the pot lid, first elastic component that resets is in resilience state, and the elastic deformation volume is little, and the atress is little, can not lose efficacy because the atress is long.

Preferably, the sliding buckle is provided with a blocking wall, the outer side of the blocking wall is opposite to the inner side wall of the handle, the rotating push bar is positioned on the inner side of the blocking wall, a first reset elastic piece is arranged between the sliding buckle and the cover body and positioned on the outer side of the blocking wall, when the sliding buckle is inserted into the clamping groove, the locking part is abutted against the blocking wall, the first reset elastic piece is compressed, and when the sliding buckle is withdrawn from the clamping groove, the first reset elastic piece rebounds, and the withdrawing part is opposite to or in contact with the blocking wall. By adopting the structure, the rotating screw cover rotates, the rotating push strip slides relative to the slide fastener, when the locking part is gradually close to the slide fastener, the slide fastener can be inserted into the clamping groove and compress the first reset elastic piece, and when the retreating part is gradually close to the slide fastener, the first reset elastic piece can rebound and push the slide fastener to retreat, so that the opening and closing mechanism is simple; when the kettle cover is closed, the first reset elastic piece is in a compressed state, the acting force on the slide fastener is large, and the slide fastener is prevented from shifting or moving left and right.

Preferably, one side opposite to the rotating pushing strip on the retaining wall is provided with a convex strip, the locking part is provided with a locking groove, the retreating part is provided with a retreating groove, when the slide fastener is inserted into the clamping groove, the convex strip is limited in the locking groove, and when the slide fastener is withdrawn from the clamping groove, the convex strip is limited in the retreating groove. By adopting the structure, when the kettle cover is closed, the convex strip is limited in the locking groove, when the kettle cover is opened, the convex strip is limited in the retreating groove, so that whether the rotating push strip rotates in place or not is conveniently judged, and the left and right shifting or shifting of the slide fastener can be avoided.

Preferably, the cover body is provided with a middle cover, the middle cover is provided with a strip pushing hole matched with the rotary pushing strip, the rotary cover is rotatably arranged on the middle cover, and the rotary pushing strip is inserted into the strip pushing hole and can move in the strip pushing hole. By adopting the structure, the rotating push strip moves in the push strip hole, the push strip hole limits the rotating push strip, the rotating push strip is prevented from separating from the retaining wall, and the rotating push strip is ensured to always push the slide fastener to withdraw from the clamping groove or insert into the clamping groove.

Preferably, the cover body is provided with a guide structure for guiding the slide fastener in a telescopic sliding manner. By adopting the structure, the slide fastener slides along the guide structure to enter or exit the clamping groove, and the slide fastener is prevented from shifting left and right or moving.

Preferably, the guide structure is a sliding groove, and the sliding buckle is arranged in the sliding groove and can slide along the sliding groove in a telescopic manner. By adopting the structure, the structure is simple and easy to assemble.

Preferably, be provided with down water passageway and down water switch on the lid, down water switch includes button push rod, the driving medium, the bottom plate, the driving medium sets up in the lid, the bottom plate sets up in the below of down water passageway and is connected with the driving medium, button push rod's one end is exposed outside the pot lid, the other end is connected with the driving medium, be provided with the second elastic component that resets between button push rod and the lid, be provided with the third elastic component that resets between driving medium and the lid, button push rod is used for driving the driving medium motion and compresses the second elastic component that resets simultaneously, the driving medium is used for driving bottom plate downstream to make down water passageway communicate from top to bottom and compress the third elastic component that resets simultaneously, the third elastic component resilience that resets can make the driving medium reverse drive bottom plate upward movement seal down water passageway, the second elastic component resilience can drive button push rod reset. Adopt this structure, when needing to pour water, as long as press the button push rod and just can make the bottom plate downstream make the passageway of pouring water and outside intercommunication, water can flow from the passageway of pouring water, unclamp the button push rod and just can make the bottom plate upward movement seal the passageway of pouring water, guarantee the heat preservation effect, simple structure, convenient operation.

Preferably, the handle is provided with a lifting handle, one end of the button push rod is arranged on the lifting handle and exposed outside the kettle cover, and the second reset elastic piece is compressed when the button push rod is pressed. 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, the bottom plate is provided with a blocking bump, the blocking bump is used for blocking the end part of the water pouring channel, the blocking bump is provided with a second sealing ring, and the second sealing ring is used for enabling the blocking bump to be in interference fit with the end part of the water pouring channel. By adopting the structure, when the bottom plate seals 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, the bottom plate is provided with a supporting rod, the supporting rod penetrates through the cover body to be connected with the transmission part, the supporting rod is provided with a third sealing ring, and the third sealing ring is used for enabling the supporting rod to be in interference fit with the cover body. By adopting the structure, the transmission part is convenient to be connected with the supporting rod and also convenient to drive the bottom plate to move, the third sealing ring can eliminate the gap between the supporting rod and the cover body, the sealing effect is good, the heat transfer inside and outside the kettle caused by the air leakage at the supporting rod is prevented, and the heat preservation effect is also good.

Preferably, the driving medium includes cam and kicking block, the working face of cam is the drive terminal surface, be provided with connecting rod and pivot on the cam, the connecting rod is connected with the button push rod, the pivot is connected with the lid, the kicking block sets up the below at the drive terminal surface, the third elastic component that resets sets up the below at the kicking block, the bottom plate is connected on the kicking block, the button push rod is used for driving the cam and revolves pivoting motion, the drive terminal surface is used for driving the kicking block downstream, the kicking block is used for driving the bottom plate downstream, the third elastic component resilience that resets enables the kicking block and drives the bottom plate upward movement, cam antiport. By adopting the structure, the transmission of the transmission part to the bottom plate is reliable and stable.

Preferably, the cover body is provided with a middle cover and a lower limiting column for supporting the rotating shaft, the top end of the lower limiting column is provided with a lower limiting groove, the middle cover is provided with an upper limiting column opposite to the lower limiting column, the bottom end of the upper limiting column is provided with an upper limiting groove butted with the lower limiting groove, and the rotating shaft is limited in the lower limiting groove and the upper limiting groove. By adopting the structure, when the cam is assembled, the rotating shaft is only required to be placed in the lower limiting groove, the middle cover is installed, the lower limiting groove is butted with the upper limiting groove, the assembly is convenient, and the later-stage cleaning of the pot cover or the disassembly and maintenance are all convenient.

The utility model aims to solve another technical problem of providing a heat preservation kettle, which has the advantages that the kettle cover and the kettle body are simply connected, the sealing effect is good, the kettle cover is easy to open and close, the opening and closing mechanism is stable and is not easy to lose efficacy.

The technical scheme includes that the heat preservation kettle comprises a kettle body and the kettle cover, a handle is connected with the kettle body, when a cover body is installed in the handle, the lower end of the cover body extends into the kettle body, a first sealing ring is arranged at the lower end of the cover body, and the first sealing ring is used for enabling the lower end of the cover body to be in interference fit with the inner side wall of the kettle body.

Compared with the prior art, the heat preservation kettle has the following advantages: as long as guarantee kettle body and handle's size matching just can install the pot lid on the kettle body, make the thread slipping insert in the draw-in groove of handle just can make pot lid and kettle body close, make the thread slipping withdraw from the draw-in groove just can open the pot lid, open and shut pot lid easy to operate, the difficult inefficacy of mechanism stability of opening and shutting, when closing the pot lid, clearance between the lower extreme of lid and the inside wall of kettle body can be eliminated to first sealing washer, and is sealed effectual, and the heat preservation effect is also good.

Preferably, the inner side wall of the kettle body is provided with a step surface, and when the cover body is arranged in the handle, the first sealing ring is pressed on the step surface by the lower end of the cover body. By adopting the structure, the sealing effect of the kettle cover on the kettle body is greatly improved, and the heat preservation effect is good.

Drawings

FIG. 1 is a schematic structural view of the thermos bottle of the present invention.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

Fig. 3 is an exploded view of the lid of the present invention.

Fig. 4 is a schematic structural view of a rotary opening and closing assembly provided on the pot lid of the present invention.

Fig. 5 is a schematic structural view of a water pouring switch arranged on the kettle lid.

As shown in the figure: 1. 1-1 of a rotary cover, 1-11 of a rotary push bar, a locking part, 1-12 of a withdrawing part, 1-121 of a withdrawing groove, 1-3 of a rotary cross bar, 2 of a middle cover, 2-1 of an upper limiting column, 2-11 of an upper limiting groove, 2-2 of a push bar hole, 3 of a cover body, 3-1 of a slide fastener, 3-11 of a baffle wall, 3-2 of a slide fastener spring, 3-3 of a water pouring channel, 3-31 of a water inlet, 3-32 of a water outlet, 3-4 of a first sealing ring, 3-5 of a sliding groove, 4 of a handle, 4-1 of a clamping groove, 4-2 of a spout, 4-3 of a handle, 5 of a bottom plate, 5-1 of a blocking lug, 5-2 of a second sealing ring, 5-3 of a support rod, 5-31 of a third sealing ring, 6-1 parts of button push rod, 6-11 parts of connecting groove, 6-2 parts of cam, 6-21 parts of driving end face, 6-22 parts of connecting rod, 6-23 parts of rotating shaft, 6-3 parts of top block, 6-4 parts of top block spring, 6-5 parts of push rod spring, 7 parts of kettle body.

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 and 2, the heat preservation kettle of the present invention comprises a kettle body 7 and a kettle cover, wherein the kettle 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 heat preservation effect, the upper end of the kettle body 7 is provided with a buckle structure, and the inner side wall of the upper end of the kettle body 7 is also provided with a step surface.

As shown in fig. 3 to 5, the pot lid includes a screw lid 1, a middle lid 2, a lid body 3, a bottom plate 5 and a handle 4, the lower end of the handle 4 is connected with the upper end of a pot body 7 by a buckle (as shown in fig. 2), the handle 4 is provided with a handle 4-3 and a pot nozzle 4-2, and the inner side wall of the handle 4 is provided with two slots 4-1 with opposite front faces.

The cover body 3 is detachably arranged in the handle 4, the lower end of the cover body 3 is provided with a first sealing ring 3-4, the cover body 3 is provided with two sliding grooves 3-5 which are opposite to the clamping grooves 4-1 one by one, each sliding groove 3-5 is internally provided with a sliding buckle 3-1 which can slide in a telescopic way, the sliding grooves 3-5 are used for guiding the sliding buckles 3-1 in a telescopic way, the front ends of the sliding buckles 3-1 can be inserted into the clamping grooves 4-1 or withdrawn from the clamping grooves 4-1, the rear ends of the sliding buckles 3-1 are respectively connected with a first reset elastic piece, the two ends of the first reset elastic pieces are respectively butted with the sliding buckles 3-1 and the cover body 3, the first reset elastic element adopts a slide fastener spring 3-2, a baffle wall 3-11 is also arranged on the slide fastener 3-1, and the outer side of the baffle wall 3-11 is opposite to the inner side wall of the handle 4. When the cover body 3 is arranged in the handle 4, the lower end of the cover body 3 extends into the kettle body 7, the front ends of the two slide fasteners 3-1 are inserted into the corresponding clamping grooves 4-1, the cover body 3 is in interference fit with the inner side wall of the kettle body 7 through the first sealing ring 3-4, and meanwhile, the first sealing ring 3-4 is pressed on the step surface by the lower end of the cover body 3.

The middle cover 2 is connected to the upper end of the cover body 3 in a buckling mode (as shown in figure 2), the spiral cover 1 is connected to the center of the middle cover 2, the outer side of the spiral cover 1 is provided with a rotary transverse strip 1-3, the inner side of the spiral cover 1 is provided with two rotary push strips 1-1 matched with the blocking walls 3-11, the middle cover 2 is provided with two push strip holes 2-2 matched with the rotary push strips 1-1, the rotary push strips 1-1 are inserted into the corresponding push strip holes 2-2 and are in contact with the outer sides of the blocking walls 3-11 (as shown in figure 4), and the rotary transverse strips 1-3 are twisted, so that the spiral cover 1 rotates on the middle cover 2, and the rotary push strips 1-1 move in the push strip holes 2-2 and slide relative to the blocking walls 3-11. The distance between the rotating push strip 1-1 and the center of the screw cap 1 is not equal everywhere, one end of the push strip 1-1 is farthest away from the center of the screw cap 1 and is set as a locking part 1-11, a locking groove is arranged on the locking part 1-11, the other end of the push strip 1-1 is closest to the center of the screw cap 1 and is set as a retreating part 1-12, the retreating part 1-12 is provided with a retreating groove 1-121, a raised strip is arranged on the baffle wall 3-11, and the raised strip can be matched with the locking groove and the retreating groove 1-121.

When the rotating push bar 1-1 rotates towards the direction of the retreat part 1-12, the rotating push bar 1-1 always props against the retaining wall 3-11 and pushes the retaining wall 3-11 to move towards the center of the screw cap 1, so that the front end of the slide fastener 3-1 gradually withdraws from the clamping groove 4-1 and compresses the slide fastener spring 3-2, when the rotating push bar 1-1 rotates until the convex strip enters the retreat groove 1-121, the slide fastener 3-1 completely withdraws from the clamping groove 4-1, at the moment, the cap body 3 is separated from the handle 4, and the screw cap 1 can be lifted upwards to open the kettle cap.

When the rotating push bar 1-1 rotates towards the direction of the locking part 1-11, the rotating push bar 1-1 gradually releases the pressure on the retaining wall 3-11, the slide fastener spring 3-2 rebounds to push the retaining wall 3-11 to move back to the center of the spiral cover 1, so that the front end of the slide fastener 3-1 is gradually inserted into the clamping groove 4-1, when the rotating push bar 1-1 rotates until the convex strip enters the locking groove, the front end of the slide fastener 3-1 is inserted into the clamping groove 4-1, at the moment, the cover body 3 is inserted into the handle 4, and the kettle cover cannot be separated from the kettle body when closed.

The cover body 3 is provided with a water pouring channel 3-3 and a water pouring switch, 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 is communicated with the outside of the kettle (as shown in figure 2). The water pouring switch comprises a button push rod 6-1, a transmission part and a 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 one hand, a connecting groove 6-11 is formed in the other end of the button push rod 6-1 and is used for being connected with the transmission part, a second reset elastic part is arranged between the button push rod 6-1 and the cover body 3, and in the embodiment, the second reset elastic part is a push rod spring 6-5.

As shown in figure 5, the transmission part is arranged in the cover body 3 and comprises a cam 6-2 and a top block 6-3, a connecting rod 6-22 and a rotating shaft 6-23 are arranged on the cam 6-2, the connecting rod 6-22 is limited in a connecting groove 6-11, a lower limiting column for supporting the rotating shaft 6-23 is arranged on the cover body 3, a lower limiting groove is arranged at the top end of the lower limiting column, an upper limiting column 2-1 opposite to the lower limiting column is arranged on the middle cover 2, an upper limiting groove 2-11 butted with the lower limiting groove is arranged at the bottom end of the upper limiting column 2-1, and the rotating shaft 6-23 is limited in the lower limiting groove and the upper limiting groove 2-11. The working surface of the cam 6-2 is a driving end surface 6-21, the top block 6-3 is arranged below the driving end surface 6-21, a third reset elastic part is arranged below the top block 6-3, two ends of the third reset elastic part respectively abut against the top block 6-3 and the cover body 3, and in the embodiment, the third reset elastic part adopts a top block spring 6-4.

The bottom plate 5 is arranged below the cover body 3, the bottom plate 5 is provided with a blocking lug 5-1 and a support rod 5-3, the end part of the support rod 5-3 penetrates through the cover body 3 to be connected with the top block 6-3 in a buckling mode, the support rod 5-3 is provided with a third sealing ring 5-31, and the third sealing ring 5-31 enables the support rod 5-3 to be in interference fit with the cover body 3. The blocking lug 5-1 is opposite to the water inlet 3-31, a second sealing ring 5-2 is arranged on the blocking lug 5-1, the blocking lug 5-1 is used for blocking the water inlet 3-31, and the second sealing ring 5-2 enables the blocking lug 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 push rod 6-1 pushes the connecting rod 6-22 to enable the cam 6-2 to rotate around the rotating shaft 6-23, the driving end face 6-21 drives the top block 6-3 to move downwards, the top block spring 6-4 is compressed, the top block 6-3 presses the supporting rod 5-3 downwards to enable the bottom plate 5 to move downwards, the blocking lug 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 water can be poured out of the kettle at the moment.

The push rod 6-1 of the push button is loosened, 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 connecting rod 6-22 any more, the top block spring 6-4 rebounds to push the top block 6-3 to drive the bottom plate 5 to move upwards together, the blocking bump 5-1 is pressed at the water inlet 3-31, the second sealing ring 5-2 enables the water inlet 3-31 to be completely closed, water in the kettle cannot be poured out at the moment, the top block 6-3 also pushes the cam 6-2 to rotate reversely to reset, and the connecting rod 6-22 is always limited in the connecting groove 6-11.

Example 2:

the difference between the thermos bottle in this embodiment and embodiment 1 is that a rotary push bar 1-1 on a screw cap 1 contacts with the inner side of a baffle wall 3-11, and two ends of a slide fastener spring 3-2 respectively abut against a slide fastener 3-1 and a cover body 3 opposite to the front side of the slide fastener 3-1. The rotating transverse strips 1-3 are twisted, when the rotating push strips 1-1 rotate towards the direction of the locking parts 1-11, the rotating push strips 1-1 always abut against the blocking walls 3-11 and push the blocking walls 3-11 to move towards the center of the back rotating cover 1, so that the front ends of the slide fasteners 3-1 are gradually inserted into the clamping grooves 4-1, the slide fastener springs 3-2 are compressed, when the rotating push strips 1-1 rotate until the convex strips enter the locking grooves, the front ends of the slide fasteners 3-1 are inserted into the clamping grooves 4-1, at the moment, the cover body 3 is inserted into the handle 4, and the kettle cover cannot be separated from the kettle body when closed; when the rotating push bar 1-1 rotates towards the direction of the retreat part 1-12, the rotating push bar 1-1 gradually releases the pressure on the retaining wall 3-11, the slide fastener spring 3-2 rebounds to push the retaining wall 3-11 to move towards the center of the screw cap 1, so that the front end of the slide fastener 3-1 gradually withdraws from the clamping groove 4-1, when the rotating push bar 1-1 rotates until the convex strip enters the retreat groove 1-121, the slide fastener 3-1 completely withdraws from the clamping groove 4-1, and at the moment, the cap body 3 is separated from the handle 4, and the screw cap 1 can be lifted upwards to open the kettle cap.

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 kettle lid is characterized by comprising a rotary lid (1), a lid body (3) and a handle (4), wherein the lid body (3) is detachably arranged in the handle (4), at least two sliding buckles (3-1) capable of sliding in a telescopic manner are arranged on the lid body (3), a clamping groove (4-1) opposite to the sliding buckle (3-1) is arranged on the inner side wall of the handle (4), the sliding buckle (3-1) can be inserted into the clamping groove (4-1) in a sliding manner or withdrawn from the clamping groove (4-1), the rotary lid (1) is rotatably arranged on the lid body (3), a rotary push strip (1-1) matched with the sliding buckle (3-1) is arranged on the rotary lid (1), a locking part (1-11) and a withdrawing part (1-12) are arranged on the rotary push strip (1-1), and the distance from the locking part (1-11) to the center of the rotary lid (1) is greater than the distance from the withdrawing part (1-12) to the center of the rotary lid (1) The rotary cover (1) rotates to enable the rotary push bar (1-1) to slide relative to the slide fastener (3-1), when the slide fastener (3-1) is inserted into the clamping groove (4-1), the locking part (1-11) is opposite to or contacted with the slide fastener (3-1), and when the slide fastener (3-1) is withdrawn from the clamping groove (4-1), the withdrawing part (1-12) is opposite to or contacted with the slide fastener (3-1).

2. The kettle lid as claimed in claim 1, wherein the slide fastener (3-1) is provided with a retaining wall (3-11), the outer side of the retaining wall (3-11) is opposite to the inner side wall of the handle (4), the rotary push bar (1-1) is positioned at the outer side of the retaining wall (3-11), a first elastic restoring member is arranged between the slide fastener (3-1) and the lid (3), the first elastic restoring member is positioned at the inner side of the retaining wall (3-11), when the slide fastener (3-1) is withdrawn from the slot (4-1), the return part (1-12) is abutted against the retaining wall (3-11), the first return elastic element is compressed, when the slide fastener (3-1) is inserted into the clamping groove (4-1), the first return elastic element rebounds, and the locking part (1-11) is opposite to or contacted with the retaining wall (3-11).

3. The kettle lid according to claim 1, wherein the slide fastener (3-1) is provided with a retaining wall (3-11), the outer side of the retaining wall (3-11) is opposite to the inner side wall of the handle (4), the rotary push bar (1-1) is positioned at the inner side of the retaining wall (3-11), a first reset elastic member is arranged between the slide fastener (3-1) and the lid body (3), the first reset elastic member is positioned at the outer side of the retaining wall (3-11), when the slide fastener (3-1) is inserted into the clamping groove (4-1), the locking part (1-11) is abutted against the retaining wall (3-11), the first reset elastic piece is compressed, when the sliding buckle (3-1) is withdrawn from the clamping groove (4-1), the first return elastic element rebounds and retreats from the position part (1-12) to be opposite to or contacted with the retaining wall (3-11).

4. The kettle lid as claimed in claim 2 or 3, wherein the retaining wall (3-11) is provided with a protruding strip on the side opposite to the rotating push bar (1-1), the locking portion (1-11) is provided with a locking groove, the releasing portion (1-12) is provided with a releasing groove (1-121), the protruding strip is limited in the locking groove when the slide fastener (3-1) is inserted into the slot (4-1), and the protruding strip is limited in the releasing groove (1-121) when the slide fastener (3-1) is withdrawn from the slot (4-1).

5. The pot lid according to claim 2 or 3, characterized in that the lid body (3) is provided with a middle lid (2), the middle lid (2) is provided with a push bar hole (2-2) matched with the rotary push bar (1-1), the rotary lid (1) is rotatably arranged on the middle lid (2), and the rotary push bar (1-1) is inserted into the push bar hole (2-2) and can move in the push bar hole (2-2).

6. Kettle lid according to claim 1, characterized in that the lid body (3) is provided with a guiding structure for guiding the slide fastener (3-1) in a telescopic and sliding manner.

7. Kettle lid according to claim 6, characterized in that the guiding structure is a sliding groove (3-5), the sliding buckle (3-1) is arranged in the sliding groove (3-5) and can slide along the sliding groove (3-5) in a telescopic way.

8. The kettle lid according to claim 1, wherein the lid body (3) is provided with a pouring channel (3-3) and a pouring switch, the pouring switch comprises a push button rod (6-1), a transmission member and a bottom plate (5), the transmission member is arranged in the lid body (3), the bottom plate (5) is arranged below the pouring channel (3-3) and is connected with the transmission member, one end of the push button rod (6-1) is exposed outside the kettle lid, the other end of the push button rod is connected with the transmission member, a second reset elastic member is arranged between the push button rod (6-1) and the lid body (3), a third reset elastic member is arranged between the transmission member and the lid body (3), the push button rod (6-1) is used for driving the transmission member to move and simultaneously compress the second reset elastic member, the transmission member is used for driving the bottom plate (5) to move downwards so as to enable the pouring channel (3-3) to be communicated up and down and simultaneously compress the third reset elastic member, the resilience of the third reset elastic part can enable the transmission part to reversely drive the bottom plate (5) to move upwards to close the water pouring channel (3-3), and the resilience of the second reset elastic part can drive the push rod (6-1) of the button to reset.

9. Kettle lid according to claim 8, characterized in that the handle (4) is provided with a handle (4-3), one end of the push button rod (6-1) is arranged on the handle (4-3) and exposed outside the kettle lid, and the second return spring is compressed when the push button rod (6-1) is pressed.

10. The kettle lid according to claim 8, characterized in that the bottom plate (5) is provided with a blocking lug (5-1), the blocking lug (5-1) is used for blocking the end of the pouring channel (3-3), the blocking lug (5-1) is provided with a second sealing ring (5-2), and the second sealing ring (5-2) is used for enabling the blocking lug (5-1) to be in interference fit with the end of the pouring channel (3-3).

11. Kettle lid according to claim 8, characterized in that the bottom plate (5) is provided with a support rod (5-3), the support rod (5-3) passes through the lid body (3) and is connected with the transmission part, the support rod (5-3) is provided with a third sealing ring (5-31), and the third sealing ring (5-31) is used for making the support rod (5-3) and the lid body (3) in interference fit.

12. Kettle lid according to claim 8, wherein the transmission piece comprises a cam (6-2) and a top block (6-3), the working surface of the cam (6-2) is a driving end surface (6-21), the cam (6-2) is provided with a connecting rod (6-22) and a rotating shaft (6-23), the connecting rod (6-22) is connected with a push button rod (6-1), the rotating shaft (6-23) is connected with the lid body (3), the top block (6-3) is arranged below the driving end surface (6-21), a third return elastic piece is arranged below the top block (6-3), the bottom plate (5) is connected with the top block (6-3), the push button rod (6-1) is used for driving the cam (6-2) to rotate around the rotating shaft (6-23), the driving end surface (6-21) is used for driving the top block (6-3) to move downwards, the top block (6-3) is used for driving the bottom plate (5) to move downwards, and the resilience of the third reset elastic piece enables the top block (6-3) to drive the bottom plate (5) to move upwards and the cam (6-2) to rotate reversely.

13. The kettle lid according to claim 12, wherein the lid body (3) is provided with a middle lid (2) and a lower limiting column for supporting the rotating shaft (6-23), the top end of the lower limiting column is provided with a lower limiting groove, the middle lid (2) is provided with an upper limiting column (2-1) opposite to the lower limiting column, the bottom end of the upper limiting column (2-1) is provided with an upper limiting groove (2-11) butted with the lower limiting groove, and the rotating shaft (6-23) is limited in the lower limiting groove and the upper limiting groove (2-11).

14. A heat preservation kettle, characterized in that, including kettle body (7) and the pot lid of any one of claims 1 to 13, handle (4) is connected with kettle body (7), when lid (3) is installed in handle (4), the lower extreme of lid (3) stretches into in kettle body (7), the lower extreme of lid (3) is provided with first sealing washer (3-4), first sealing washer (3-4) are used for making the lower extreme of lid (3) and the inside wall interference fit of kettle body (7).

15. The thermos flask according to claim 14, characterized in that the inner side wall of the flask body (7) is provided with a step surface, and when the lid (3) is mounted in the handle (4), the first sealing ring (3-4) is pressed against the step surface by the lower end of the lid (3).

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