CN214631760U - Pot lid self-lock device with exhausting function - Google Patents

Abstract

The utility model relates to a pot lid self-lock device with exhausting function, one side of lid is equipped with the button of being connected with the fulcrum, still include the auto-lock subassembly of unblanking and shutting by button drive, flexible discharge valve in being located the inside lining, discharge valve is located the lower extreme of button, discharge valve has been cup jointed near the one end of button and has been kept off the knot, discharge valve keeps off to be 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 little umbrella sealing washer, be equipped with little umbrella compression spring between little umbrella and the inside lining, discharge valve one end is equipped with the discharge valve sealing washer of cup jointing at the discharge valve tip, be equipped with a plurality of air discharge duct on the discharge valve. The utility model discloses pack into can produce the self-locking effect immediately after the kettle body relevant position, make it can not take out by unscrewing at will, must open self-lock device and just can be taken out behind the stronger atmospheric pressure in the kettle simultaneously when needs take out the pot lid.

Description

Pot lid self-lock device with exhausting function

Technical Field

The utility model relates to the technical field of thermo jug, in particular to a pot lid self-locking device with an exhaust function.

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 pot lid, and a lock catch matched with the lock catch is arranged on the pot body. 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.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pot lid self-lock device with exhausting function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a pot lid self-locking device with an exhaust function comprises a pot body and a pot lid, wherein the pot body comprises a handle middle ring and a vacuum pot body, the lower end of the handle middle ring is used for buckling the vacuum pot body, the pot lid comprises a lid and an inner lining, the lid is buckled on the inner lining, a pot opening is formed in the lid, a fulcrum is arranged in the lid, a button connected with the fulcrum is arranged on one side of the lid, the pot lid further comprises a self-locking assembly driven by the button to unlock and lock, the pot lid further comprises an exhaust valve which is positioned in the inner lining and stretches out and draws back, the exhaust valve is positioned 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 lining, the exhaust valve compression spring is sleeved at the peripheries of the inner lining and the exhaust valve, a small umbrella sleeved at the periphery of the exhaust valve is arranged at the lower end of the inner lining, and a small umbrella sealing ring are arranged on the inner wall of the vacuum pot body, 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, the one end that discharge valve is close to the vacuum kettle body is equipped with the discharge valve sealing washer of cup jointing at discharge valve tip, the last a plurality of air discharge duct that is equipped with of discharge valve.

Preferably, the periphery of the lining is provided with a second section of screw thread, and the inner wall of the middle ring of the handle is provided with a first section of screw thread which can be connected with the second section of screw thread.

Preferably, the self-locking assembly comprises a self-locking bolt, a self-locking bolt sliding cover plate and a self-locking bolt pressure spring, a supporting column is arranged at the upper end of the lining, the self-locking bolt penetrates through the outer wall of the lining and is sleeved on the cylindrical self-locking bolt by the self-locking bolt sliding cover plate and one end of the self-locking bolt pressure spring, and the other end of the self-locking bolt abuts against the supporting column of the lining.

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.

Compared with the prior art, the beneficial effects of the utility model are 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 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 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 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 from the end point of the locking bolt, when the button is pressed down, the self-locking bolt is also separated from a limiting column on the middle ring of the handle to unlock, at the same time, the kettle cover rotates counterclockwise by about 30 degrees (the button is pressed down all the time), when the second end surface of the second section of the thread contacts the middle ring of the handle, 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 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 middle 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 described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 6, in an embodiment of the present invention, a pot lid self-locking device with an exhaust function includes a pot body 28 and a pot lid 27, the pot body 28 includes a handle middle ring 10 and a vacuum pot body 12, a lower end of the handle middle ring 10 fastens the vacuum pot body 12, the pot lid 27 includes a lid 1 and an inner liner 23, the lid 1 is fastened and pressed on the inner liner 23, the lid 1 is provided with a pot opening 31, a fulcrum 29 is arranged in the lid 1, one side of the lid 1 is provided with a button 4 connected with the fulcrum 29, the pot lid further includes a self-locking assembly driven by the button 4 to unlock and lock, the pot lid further includes an exhaust valve 2 located in the inner liner 23 and extending, the exhaust valve 2 is located at a lower end of the button 4, an exhaust valve retaining buckle 3 is sleeved at one end of the exhaust valve 2 close to the button 4, an exhaust valve compression spring 5 is arranged between the exhaust valve retaining buckle 3 and the inner liner 23, the exhaust valve compression spring 5 is sleeved on peripheries of the inner liner 23 and the exhaust valve 2, the lower extreme of inside lining 23 is equipped with the umbrella 11 that cup joints in discharge valve 2 periphery, the periphery of umbrella 11 is equipped with the sealing washer of umbrella 11 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 in discharge valve 2 periphery, the one end that discharge valve 2 is close to vacuum kettle body 12 is equipped with the discharge valve sealing washer 20 of cup jointing at discharge valve 2 tip, be equipped with a plurality of air discharge duct 32 on the discharge valve 2, the periphery of inside lining 23 is equipped with second subsection screw 15, the handle midrange 10 inner wall is equipped with first subsection screw 14 that can be connected with second subsection screw 15, the auto-lock subassembly includes from lock plunger 7, auto-lock plunger sliding cover board 9 and auto-lock plunger pressure spring 8, inside lining 23 upper end is equipped with support column 30, from lock plunger 7 passes the outer wall of inside lining 23 and by auto-lock plunger sliding cover board 9, auto-lock plunger sliding cover board 9, One end of the self-locking bolt pressure spring 8 is sleeved on a cylindrical self-locking bolt 7 in a bolting mode, the other end of the self-locking bolt pressure spring abuts against the supporting column 30 of the lining 23, in this embodiment, a limiting column 13 is arranged on one side, close to the self-locking bolt 7, of the handle middle ring 10, a positioning surface 19 is arranged on one side of the limiting column 13, a stop point 18 is arranged on the first sectional thread 14, a first end face 17 of a second sectional thread is arranged at one end of the second sectional thread 15, and a second end face 16 of the second sectional thread is arranged at the other end of the second sectional thread 15.

In this embodiment, a handle middle ring sealing ring 25 is arranged between the upper end of the vacuum kettle body 12 and the handle middle ring 10, and a lining sealing ring 24 is arranged between the handle middle ring 10 and the lining 23. This can further improve the sealing property.

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 top end of the exhaust valve 2 pushes the button 4 under the action of an exhaust valve pressure spring 5, and 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, so that a closed water outlet device is formed, and the situation that the boiling water in the kettle does not push the button 4 is ensured that the 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 form a component which can slide left and right.

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 in the left direction under the action of the button 4, when the button is pressed to the right position, the self-locking bolt 7 is simultaneously separated from the limiting column 13 on the middle ring of the handle to achieve unlocking, at this time, the kettle lid rotates counterclockwise by about 30 degrees at the same time (the button is pressed all the time without loosing the hand), 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 is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 (8)

1. A pot lid self-locking device with an exhaust function comprises a pot body and a pot lid, wherein the pot body comprises a handle middle ring and a vacuum pot body, the vacuum pot body is buckled at the lower end of the handle middle ring, the pot lid comprises a lid and a lining, the lid is buckled on the lining, a pot opening is formed in the lid, a fulcrum is arranged in the lid, a button connected with the fulcrum is arranged on one side of the lid, the pot lid self-locking device is characterized by further comprising a self-locking assembly which is driven by the button to unlock and lock, the pot lid further comprises an exhaust valve which is arranged in the lining and stretches out and draws back, the exhaust valve is arranged 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 lining, the exhaust valve compression spring is sleeved at the peripheries of the lining and the exhaust valve, a small umbrella sleeved at the periphery of the exhaust valve is arranged on the periphery of the small umbrella, and the inner wall of the vacuum pot body are provided with a small umbrella sealing ring, 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, the one end that discharge valve is close to the vacuum kettle body is equipped with the discharge valve sealing washer of cup jointing at discharge valve tip, the last a plurality of air discharge duct that is equipped with of discharge valve.

2. The self-locking device for the pot lid with the air exhaust function as claimed in claim 1, wherein the inner liner is provided with a second section thread on the outer periphery, and the inner wall of the middle ring of the handle is provided with a first section thread which can be connected with the second section thread.

3. The kettle lid self-locking device with the exhaust function according to claim 2, wherein the self-locking assembly comprises a self-locking bolt, a self-locking bolt sliding cover plate and a self-locking bolt pressure spring, a support column is arranged at the upper end of the inner liner, the self-locking bolt penetrates through the outer wall of the inner liner and is sleeved on the cylindrical shape of the self-locking bolt by the self-locking bolt sliding cover plate and one end of the self-locking bolt pressure spring, and the other end of the self-locking bolt is pressed against the support column of the inner liner.

4. The self-locking device for the pot lid with the exhaust function as claimed in claim 3, wherein a limiting post 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 post.

5. The self-locking device for the pot lid with the air exhaust function as claimed in claim 3, wherein the first segment thread is provided with a stop point.

6. The self-locking device for the pot lid with the air exhausting function as claimed in claim 3, 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.

7. The self-locking device for the pot lid with the air exhaust function 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.

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

Images