CN112690671A

CN112690671A - Pot lid self-lock device and have scour protection thermo jug of this structure thereof

Info

Publication number: CN112690671A
Application number: CN202110113720.9A
Authority: CN
Inventors: 李科铭; 徐伟光; 唐小辉
Original assignee: Zhejiang Ansune Science & Technology Stock Co ltd
Current assignee: Zhejiang Ansune Science & Technology Stock Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-04-23
Anticipated expiration: 2041-01-27
Also published as: CN112690671B

Abstract

The invention relates to a kettle cover self-locking device, wherein a kettle cover comprises a cover and an inner liner, the cover is buckled on the inner liner, a support column is arranged at the upper end of the inner liner, a self-locking bolt penetrates through the outer wall of the inner liner and is sleeved on a self-locking bolt sliding cover plate and a cylindrical self-locking bolt pressure spring, the other end of the self-locking bolt presses against the support column of the inner liner, a second segmented thread is arranged on the periphery of the inner liner, and a first segmented thread which can be in threaded connection with the second segmented thread is arranged on the inner wall of a. The invention also provides an anti-impact heat preservation kettle with the kettle cover self-locking device. The self-locking kettle cover can be immediately self-locked after being arranged at the corresponding position of the kettle body, so that the kettle cover cannot be unscrewed and taken out at any time, and can be taken out only after strong air pressure in the kettle is exhausted when the kettle cover needs to be taken out, and the use safety is good.

Description

Pot lid self-lock device and have scour protection thermo jug of this structure thereof

Technical Field

The invention relates to the technical field of thermo jug, in particular to a jug cover self-locking device and an anti-impact thermo jug with the structure.

Background

At present, in the technical field of thermos bottles, a pouring overflow-proof thermos bottle is popular, which is characterized in that a kettle cover cannot be automatically opened after a kettle body is poured, and water in the kettle cannot overflow. To achieve the above-mentioned anti-overflow function, a lock catch is generally designed on the lid, and a lock catch matched with the lock catch is arranged on the body of the kettle. When the kettle cover is closed, the lock catch switch on the kettle cover is operated to enable the lock catch to be protruded to be buckled with the buckling position on the kettle body, so that the kettle cover is locked, the water in the kettle is prevented from overflowing when the kettle is opened after the kettle is poured, and the function of preventing the kettle from overflowing when the kettle is poured is further achieved. Meanwhile, the kettle cover similar to the thermos kettle in the current market has no self-locking function, and can be unscrewed at will, so that boiled water in the kettle can be flushed out by large air pressure when the kettle cover is unscrewed, and potential safety hazards exist.

Disclosure of Invention

The invention aims to provide a kettle lid self-locking device and an anti-impact thermos kettle with the same, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a pot lid self-lock device, the pot lid includes lid and inside lining, the lid is detained and is pressed on the inside lining, pot lid self-lock device includes from set bar, auto-lock bolt sliding closure and auto-lock bolt pressure spring, the inside lining upper end is equipped with the support column, the auto-lock bolt passes the outer wall of inside lining and by the one end bolt cover of auto-lock bolt sliding closure, auto-lock bolt pressure spring on the cylindric of self-lock bar, the support column of inside lining is withstood to the other end, the periphery of inside lining is equipped with second segmentation screw thread, the handle midrange inner wall be equipped with can with second segmentation threaded connection's first segmentation screw.

Preferably, still including being located the inside lining flexible discharge valve, discharge valve is located the lower extreme of button, discharge valve has been cup jointed near the one end of button discharge valve and has been kept off the knot, discharge valve keeps off and is equipped with discharge valve compression spring between knot and the inside lining, discharge valve compression spring cup joints the periphery at inside lining and discharge valve, the lower extreme of inside lining is equipped with the little umbrella of cup jointing in the discharge valve periphery, the periphery and the vacuum kettle body inner wall of little umbrella are equipped with the little umbrella sealing washer, be equipped with little umbrella compression spring between little umbrella and the inside lining, little umbrella compression spring cup joints the periphery at discharge valve, discharge valve is close to the one end of vacuum kettle body and is equipped with the discharge valve sealing washer of cup jointing at the discharge valve tip, be equipped with a plurality of air discharge.

Preferably, one side of the handle middle ring, which is close to the self-locking bolt, is provided with a limiting column, and one side of the limiting column is provided with a positioning surface.

Preferably, the first segmented thread is provided with a stop point.

Preferably, one end of the second section thread is provided with a second section thread first end face, and the other end of the second section thread is provided with a second section thread second end face.

Preferably, a handle middle ring sealing ring is arranged between the upper end of the vacuum kettle body and the handle middle ring.

Preferably, a lining sealing ring is arranged between the handle middle ring and the lining.

The invention also provides an anti-impact heat preservation kettle which is provided with the kettle cover self-locking device and further comprises a kettle body and a kettle cover, wherein the kettle body comprises a handle middle ring and a vacuum kettle body, the lower end of the handle middle ring is buckled with the vacuum kettle body, a kettle opening is formed in the cover, a fulcrum is arranged in the cover, a button connected with the fulcrum is arranged on one side of the cover, and the button drives the unlocking and locking.

Compared with the prior art, the invention has the beneficial effects that:

when the kettle cover needs to be taken out, a button in the kettle cover is pressed down, the button rotates downwards through a fulcrum, at the moment, an exhaust valve moves downwards under the action of the button, a sealing ring is separated from a small umbrella (at the moment, the small umbrella is kept at the original position under the action of the internal pressure of the kettle to seal the lower end opening part of the inner lining), the internal pressure of the kettle is exhausted out of the internal pressure of the kettle from an exhaust groove of the exhaust valve, the small umbrella is separated from the lower end opening part of the inner lining simultaneously under the action of a compression spring of the small umbrella, the small umbrella and the sealing ring of the small umbrella are separated from the lower end opening part of the inner lining simultaneously, when the button is pressed down, a self-locking bolt is pushed into the left side to slide under the action of the button, when the button is pressed down to a designated position, the self-locking bolt is also separated from a limiting column on a middle ring of the handle to achieve unlocking, at the same time, the segmented thread of the liner on the kettle cover is separated from the segmented thread of the handle, and the kettle cover can be easily taken out and cannot be blown open by air. The self-locking device can immediately produce self-locking action after being arranged at a corresponding position of the kettle body, so that the kettle can not be unscrewed and taken out at any time, and when the kettle cover needs to be taken out, the self-locking device needs to be opened and stronger air pressure in the kettle is discharged at the same time, and then the kettle can be taken out.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description of the invention and the accompanying drawings.

Drawings

FIG. 1 is a cross-sectional view of an anti-scour insulated kettle according to the present invention;

FIG. 2 is a schematic diagram of the self-locking action of the scour prevention thermos of the present invention;

FIG. 3 is a schematic diagram of the unlocking action of the scour prevention thermos of the present invention;

FIG. 4 is a partial cross-sectional view of the impact resistant thermos of the present invention with the button depressed;

FIG. 5 is a side view of the self-latching bolt of the anti-flush insulated kettle of the present invention;

fig. 6 is a top view of the self-locking bolt in the scour prevention thermos of the invention.

In the figure: 1. a cover; 2. an exhaust valve; 3. the exhaust valve is blocked and buckled; 4. a button; 5. a discharge valve compression spring; 7. a self-locking bolt; 8. a self-locking bolt pressure spring; 9. a sliding cover plate of the self-locking bolt; 10. a handle middle ring; 11. a small umbrella; 12. a vacuum kettle body; 13. a limiting column; 14. a first segmented thread; 15. a second segmented thread; 16. a second segmented threaded second end face; 17. a second segmented threaded first end face; 18. a stop point; 19. positioning the surface; 20. an exhaust valve sealing ring; 22. the small umbrella compresses the spring; 23. a liner; 24. a lining sealing ring; 25. a handle ring sealing ring; 26. a small umbrella sealing ring; 27. a pot lid; 28. a kettle body; 29. a fulcrum; 30. a support pillar; 31. a kettle mouth; 32. an exhaust groove; 33. an endpoint.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, in an embodiment of the present invention, the pot lid 27 includes a lid 1 and an inner liner 23, the lid 1 is fastened to the inner liner 23, the pot lid 27 includes a self-locking bolt 7, a self-locking bolt sliding cover plate 9, and a self-locking bolt compression spring 8, a support column 30 is disposed at an upper end of the inner liner 23, the self-locking bolt 7 penetrates through an outer wall of the inner liner 23, and is sleeved on a cylinder of the self-locking bolt 7 by the self-locking bolt sliding cover plate 9 and one end of the self-locking bolt compression spring 8, the other end of the self-locking bolt sliding cover plate and the other end of the self-locking bolt compression spring 8, a second segmented thread 15 is disposed on an outer periphery of the inner liner 23, and a first segmented thread 14 capable of being connected to. Still including lieing in inside lining 23 flexible discharge valve 2, discharge valve 2 is located the lower extreme of button 4, discharge valve 2 has been cup jointed near the one end of button 4 discharge valve and has been kept off and detain 3, discharge valve keeps off and is equipped with discharge valve compression spring 5 between detaining 3 and inside lining 23, discharge valve compression spring 5 cup joints the periphery at inside lining 23 and discharge valve 2, the lower extreme of inside lining 23 is equipped with the umbrella 11 of cup jointing in discharge valve 2 periphery, the periphery of umbrella 11 is equipped with umbrella sealing washer 26 with vacuum kettle body 12 inner wall, be equipped with umbrella compression spring 22 between umbrella 11 and the inside lining 23, umbrella compression spring 22 cup joints the periphery at discharge valve 2, discharge valve 2 is close to the one end of vacuum kettle body 12 and is equipped with the sealing washer 20 of cup jointing at discharge valve 2 tip, be equipped with a plurality of air discharge duct 32 on discharge valve 2. One side of the handle middle ring 10 close to the self-locking bolt 7 is provided with a limiting column 13, and one side of the limiting column 13 is provided with a positioning surface 19. The first segmented thread 14 is provided with a stop point 18. One end of the second sectional thread 15 is provided with a second sectional thread first end surface 17, and the other end of the second sectional thread 15 is provided with a second sectional thread second end surface 16.

A handle middle ring 10 sealing ring is arranged between the upper end of the vacuum kettle body 12 and the handle middle ring 10, and a lining 23 sealing ring is arranged between the handle middle ring 10 and the lining 23.

The utility model provides an scour protection thermo jug, has like above-mentioned pot lid 27 self-lock device, still includes the kettle body 28 and pot lid 27, the kettle body 28 includes circle 10 and vacuum kettle body 12 in the handle, the vacuum kettle body 12 is detained to the lower extreme of circle 10 in the handle, be equipped with hu kou 31 on the lid 1, be equipped with fulcrum 29 in the lid 1, one side of lid 1 is equipped with the button 4 of being connected with fulcrum 29, the button 4 drive is unblanked and is locked.

The self-locking thermos flask mainly comprises the following components in figures 1 and 2:

firstly, the kettle cover 27 is a kettle cover body formed by buckling and pressing a cover 1 and an inner lining 23, a button 4 and a fulcrum 29 of the cover 1 form a rotary connection, an exhaust valve 2 abuts against the button 4 through the top ends of a small umbrella 11 and the inner lining 23, and the exhaust valve 2 and the small umbrella 11 form a device for sealing the lower end of the inner lining 23 and discharging water under the relative action of an exhaust valve retaining buckle 3, an exhaust valve compression spring 5, a small umbrella compression spring 22, an exhaust valve sealing ring 20 and a small umbrella sealing ring 26.

Second, self-locking structure: the self-locking bolt 7 penetrates through the outer wall of the lining, and the self-locking bolt sliding cover plate 9 compresses the spring 22 and the support column 30 on the lining 23 form a body capable of sliding left and right.

Thirdly, the kettle body 28 is formed by buckling the vacuum kettle body 12 at the lower end of the handle middle ring 10. Fourthly, the connection between the pot lid 27 and the pot body 28 is a thermos bottle which is rotationally connected through the second sectional screw thread 15 of the inner liner 23 and the first sectional screw thread 14 in the middle ring of the handle.

Fourthly, the retaining buckle 3 is buckled at the end part of the exhaust valve 2, the button 4 is pushed at the top end of the exhaust valve 2 under the action of an exhaust valve pressure spring 5, meanwhile, the small umbrella 11 causes the exhaust valve sealing ring 20 and the small umbrella sealing ring 26 to jointly play a sealing role with the small umbrella matching part and the exhaust valve and the small umbrella matching part under the action of a small umbrella compression spring 22, a closed water outlet device is formed, and the situation that boiled water in the kettle does not enter the button 4 is guaranteed that the boiled water cannot flow out from the kettle opening 31.

Fifthly, the self-locking bolt 7 penetrates through the outer wall of the lining and is sleeved on the cylindrical self-locking bolt by a self-locking bolt sliding cover plate 9 and one end of a self-locking bolt pressure spring 8, the other end of the self-locking bolt sliding cover plate props against a supporting column 30 of the lining 23, the self-locking bolt sliding cover plate 9 is connected to the corresponding position of the lining 23 by self-tapping screws, and the self-locking bolt sliding cover plate.

Sixthly, the kettle 27 is placed into the handle middle ring 10 according to the direction alignment mark A (the kettle cover 27 and the handle middle ring 10 are both designed with the direction alignment mark A), and rotates clockwise, under the action of the first section threads 14 and the second section threads 15, the kettle cover 27 is tightly connected with the kettle body 12 in place, the self-locking bolt pressure spring 8 and the limiting column 13 on the handle middle ring 10 of the self-locking bolt 7 slowly retreat backwards during rotation, when the first end face 17 of the second section threads on the liner 23 rotates to the stopping point 18 on the first section threads 14 of the handle middle ring 10, the self-locking bolt 7 slides forwards to the positioning face 19 on one side of the limiting column 13 on the middle ring handle 10 under the action of the self-locking bolt pressure spring 8, and thus the kettle cover is successfully self-locked.

Sixth, when the kettle lid needs to be taken out, the button 4 in the kettle lid 27 is pressed down, the button rotates downwards through the fulcrum 29, at this time, the exhaust valve 2 moves downwards under the action of the button 4, the sealing ring 20 is separated from the small umbrella (at this time, the small umbrella 11 is kept in place under the action of the air pressure in the kettle to seal the lower port of the inner liner 23), the air pressure in the kettle is exhausted from the exhaust groove 32 of the exhaust valve 2 to the kettle, the air pressure in the kettle disappears, the small umbrella 11 is separated from the lower port of the inner liner 23 with the small umbrella sealing ring 26 under the action of the small umbrella compression spring 22, the end point 33 of the self-locking bolt 7 pushes the self-locking bolt 7 to slide leftwards under the action of the button 4, when the button is pressed to a designated position, the self-locking bolt 7 is also separated from the limiting column 13 on the middle ring of the handle to unlock, at this time, the kettle lid 27 rotates anticlockwise by about 30 degrees (the button is pressed all the time without, when the second end surface 16 of the second sectional thread contacts the position of the handle middle ring 10, the lining sectional thread on the pot lid is separated from the handle sectional thread, and the pot lid can be easily taken out and cannot be blown open by air.

It will be appreciated that the button 4 is provided with an end point 33 on the side thereof adjacent the deadbolt slide 9 whereby point contact between the deadbolt slide 9 and the button 4 is achieved thereby improving the stability and efficiency of operation of the button 4.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a pot lid self-lock device, the pot lid is including lid and inside lining, the lid is detained and is pressed on the inside lining, a serial communication port, pot lid self-lock device is including from set bar, from the sliding cover plate of auto-lock bolt and auto-lock bolt pressure spring, the inside lining upper end is equipped with the support column, the auto-lock bolt passes the outer wall of inside lining and by the one end bolt cover of the sliding cover plate of auto-lock bolt, auto-lock bolt pressure spring on the cylindric of self-lock bolt, the support column of inside lining is withstood to the other end, the periphery of inside lining is equipped with second subsection screw thread, the handle midrange inner wall be equipped with can.

2. The kettle lid self-locking device according to claim 1, further comprising an exhaust valve extending and retracting in the inner liner, wherein the exhaust valve is located at the lower end of the button, an exhaust valve retaining buckle is sleeved at one end of the exhaust valve close to the button, an exhaust valve compression spring is arranged between the exhaust valve retaining buckle and the inner liner, the exhaust valve compression spring is sleeved at the peripheries of the inner liner and the exhaust valve, a small umbrella sleeved at the periphery of the exhaust valve is arranged at the lower end of the inner liner, a small umbrella sealing ring is arranged at the periphery of the small umbrella and the inner wall of the vacuum kettle body, a small umbrella compression spring is arranged between the small umbrella and the inner liner, the small umbrella compression spring is sleeved at the periphery of the exhaust valve, a sealing ring sleeved at the end part of the exhaust valve is arranged at one end of the exhaust valve close to the vacuum kettle body.

3. The kettle lid self-locking device according to claim 2, wherein a limiting column is arranged on one side of the handle middle ring close to the self-locking bolt, and a positioning surface is arranged on one side of the limiting column.

4. The self-locking device for the pot lid as claimed in claim 2, wherein the first segment thread is provided with a stop point.

5. The self-locking device for the pot lid as claimed in claim 2, wherein one end of the second sectional thread is provided with a first end surface of the second sectional thread, and the other end of the second sectional thread is provided with a second end surface of the second sectional thread.

6. The self-locking device for the pot lid as claimed in claim 1, wherein a sealing ring of the middle handle ring is arranged between the upper end of the vacuum pot body and the middle handle ring.

7. The self-locking device for the pot lid as claimed in claim 1, wherein a lining sealing ring is arranged between the handle middle ring and the lining.

8. An anti-impact thermos flask with a self-locking device for the lid as defined in any one of claims 1-7, further comprising a flask body and a lid, wherein the flask body comprises a handle middle ring and a vacuum flask body, the vacuum flask body is buckled by the lower end of the handle middle ring, a flask opening is arranged on the lid, a fulcrum is arranged in the lid, and a button connected with the fulcrum is arranged on one side of the lid and drives the unlocking and locking.