CN207544962U - A kind of vacuum flask - Google Patents

Abstract

The utility model discloses a kind of vacuum flask, including body, bottle cap and bottle stopper, bottleneck is offered on the body, the bottle cap is with bottle stopper in rotation connection, the bottle stopper face bottleneck, balance element is equipped in the bottle cap and bottle stopper, the bottle cap includes inner cover and outer cover, spliced eye is equipped in the inner cover, annular flange is extended on the side wall of the bottle stopper, outer cover side lateral wall is equipped with and screws portion, the balance element includes head cover and balancing needle, the head cover lower surface is equipped with apical ring, conical core hole is offered in the bottle stopper, several air holes are offered on the head cover.The utility model provides that heat insulation effect is good, service life is long and a kind of vacuum flask easy to use.

Description

A kind of vacuum flask

Technical field

The utility model is related to a kind of heat preservation kitchenware more particularly to a kind of vacuum flask.

Background technology

Vacuum flask is a kind of heat preservation kitchenware common in daily life, it is generally by shell, liner, cork and upper cover structure Into liner is fixedly installed in shell, and for blocking inner-tube mouth to be sealed heat preservation to it, upper cover covers in outside cork cork And shell is connected to keep the cleaning of inner-tube mouth and cork.

China Patent Publication No. is that the utility model patent of CN202086323U discloses a kind of vacuum flask, mainly by keeping the temperature Bottle cap shell, bottle cap insulating layer, bottle shell, bottle liner top insulating layer, bottle stopper, bottle liner, bottle liner lower part insulating layer and bottle Shell bottom is formed.

The vacuum flask that above-mentioned technical proposal is provided stores hot water using bottle liner, while the clogging bottleneck of bottle stopper, and bottle The top of vacuum flask is covered on, so as to play the effect of heat preservation to hot water；But in actual use, due to bottle stopper It tends not to face insertion bottleneck, it is tight that this frequent and incorrect inserting mode can cause bottle stopper with bottleneck splicing position to occur The abrasion of weight, so that the gap of bottle stopper and bottleneck becomes larger, the heat-insulating property for eventually leading to vacuum flask declines, and seriously affect The normal use of vacuum flask.

Utility model content

The purpose of this utility model is to provide a kind of vacuum flask, is connected using the rotation between the bottle stopper and bottle cap of face bottleneck It connects, ensure that the heat-insulating property of vacuum flask, ensure that vacuum flask can continue normal use.

The above-mentioned technical purpose of the utility model technical scheme is that：A kind of vacuum flask, including Body, bottle cap and bottle stopper offer bottleneck on the body, and the bottle cap is with bottle stopper in rotation connection, the bottle stopper face bottle Mouthful, and the center of rotation of the bottle cap and bottle stopper is overlapped with the center line of bottle stopper, is equipped with to prevent in the bottle cap and bottle stopper The balance element that bottle stopper moves up and down.

By using above-mentioned technical proposal, on the basis of bottle stopper face bottleneck is ensured, bottle cap is rotatablely connected with bottle stopper, when User closes bottle cap lid above bottleneck and when turning bottle cap, since bottle cap and bottle stopper are rotatablely connected, so being rotated in bottle cap While, bottle stopper can't rotate therewith；Bottle stopper can be realized with the lasting rotation of bottle cap and be risen or fallen, so as to fulfill bottle stopper The plug of face bottleneck effectively prevents bottle stopper and is worn with bottleneck because of plug misalignment, ensure that vacuum flask Heat-insulating property ensures that vacuum flask can continue normal use.

The utility model is further arranged to：The bottle cap includes inner cover, be equipped in the inner cover for bottle stopper grafting The side wall of the spliced eye of cooperation, the bottle stopper and spliced eye is in part pyramid like configuration.

By using above-mentioned technical proposal, passing through the spliced eye covered in being opened in so that bottle stopper is inserted in spliced eye, It is achieved thereby that the rotation of bottle stopper and inner cover even coordinates；Meanwhile for the heat insulation for ensureing bottle stopper, bottle stopper is normally manufactured as justifying Mesa-shaped, so the side wall of spliced eye is arranged to part pyramid like configuration herein, it is ensured that bottle stopper can be bonded with spliced eye perfection, be kept away Exempt from bottle stopper to come off；Finally on the basis of bottle stopper heat insulation is met, using this simple and practical structure, realize bottle stopper with The rotation connection of inner cover.

The utility model is further arranged to：Annular flange, institute are extended on the side wall that the bottle stopper is abutted with spliced eye Bottle stopper is stated to abut with spliced eye side wall by annular flange.

By using above-mentioned technical proposal, when the side wall of bottle stopper is pushed against with spliced eye side wall, bottle stopper due to by from The frictional resistance of spliced eye inner wall, bottle stopper are difficult to flexible rotating in spliced eye；By setting convex annular on the side wall of bottle stopper Edge so that bottle stopper is abutted by annular flange with the side wall of spliced eye, reduces the contact area of bottle stopper and spliced eye inner wall, from And frictional force therebetween is reduced, the flexibility that bottle stopper rotates in spliced eye is improved, avoids bottle stopper synchronous with inner cover Rotation.

The utility model is further arranged to：The bottle cap further includes outer cover, and the outer cover is with inner cover in clamping engagement.

By using above-mentioned technical proposal, by setting outer cover in the outside of inner cover, and cause outer cover and inner cover be clamped into One entirety, outer cover can thoroughly block the interior structure for covering evagination, not only increase the aesthetics of bottle cap entirety, and outer Lid can also play inner cover and bottle stopper certain protective effect, and inner cover is avoided to be damaged because of external force.

The utility model is further arranged to：Outer cover side lateral wall screws portion equipped with corrugated structure.

By using above-mentioned technical proposal, portion is screwed by set wave structure on the lateral wall of outer cover, it can Increase the frictional force between human hand and bottle cap, human hand is avoided to be had skidded when rotating bottle cap.

The utility model is further arranged to：The balance element includes being set to head cover above bottle stopper, the head cover with Spliced eye is threadedly coupled.

By using above-mentioned technical proposal, by the head cover being set to above bottle stopper, spliced eye upper end closed is got up, is kept away The gap that external pollutant enters bottle stopper and spliced eye is exempted from；Meanwhile setting between head cover and spliced eye is threaded Mode, effectively avoid head cover and fall.

The utility model is further arranged to：The head cover lower surface is equipped with apical ring, and the lower edge of the apical ring is in cambered surface Structure, and the head cover is abutted by the lower edge of apical ring with the upper surface of bottle stopper.

By using above-mentioned technical proposal, head cover is abutted by the apical ring being set on its lower surface with bottle stopper upper surface, So as to which bottle stopper is pushed against in spliced eye to a certain extent, bottle stopper up and down motion is avoided；Meanwhile by the following of apical ring Edge is arranged to globoidal structure, reduces the contact area of apical ring and bottle stopper upper surface, so as to reduce between apical ring and bottle stopper Frictional force avoids bottle stopper and is rotated synchronously with head cover.

The utility model is further arranged to：The balance element further includes the balancing needle being fixedly connected with head cover, the bottle It is offered vertically for the conical core hole mating with balancing needle on the center of plug.

By using above-mentioned technical proposal, using the balancing needle for being set to cap base, when balancing needle is injected on bottle stopper When conical core hole and apical ring abutting bottle stopper upper surface, bottle stopper heat insulation is good；And when artificially unclamping head cover and balancing needle, pass through The gap of balancing needle and conical core hole can realize the balance of air pressure inside and outside vacuum flask, bottle cap is removed convenient for user.

The utility model is further arranged to：The side wall of the balancing needle and conical core hole is in part pyramid like configuration.

By using above-mentioned technical proposal, by the way that the side wall of balancing needle and conical core hole is arranged to part pyramid like configuration, when making When user needs equilibrium incubation bottle inner and outer air pressure, user only needs turn head cover certain angle, and balancing needle is the drive in head cover Lower and conical core hole inner wall is detached from, can be by this inside and outside vacuum flask so as to expand the gap of balancing needle and conical core hole inner wall Realize the balance of air pressure in gap.

The utility model is further arranged to：Several air holes are uniformly provided on the head cover.

By using above-mentioned technical proposal, when user is for equilibrium incubation bottle inner and outer air pressure and by balancing needle from conical core hole During release, by opening up air hole on head cover, can gas exchanges be realized by air hole between vacuum flask is inside and outside, so as to real The balance of existing air pressure.

In conclusion the utility model has the advantages that：

1st, bottle stopper is set to by way of rotation connection in spliced eye using inner cover and outer cover, cooperation head cover pushes against bottle The upper surface of plug, on the basis of there is not pivoting friction in bottle stopper and bottleneck, user can directly pass through turn bottle cap Mode realize the plug of bottle stopper face bottleneck, it is not only easy to use, avoid the unexpected of bottle stopper and lose, and effectively reduce The abrasion of bottle stopper and bottleneck, avoids bottle stopper from becoming larger with bottleneck gap, ensure that the heat-insulating property of vacuum flask, makes it possible to continue Normal use.

2nd, using the head cover and balancing needle being set to above bottle stopper, coordinate the conical core hole and head cover opened up vertically on bottle stopper On the air hole that opens up, vacuum flask can pass through the gap of balancing needle and conical core hole and air hole realizes the flat of inner and outer air pressure Weighing apparatus avoids bottle cap and is difficult to remove because vacuum flask air pressure inside is less than atmospheric pressure, improves the convenience that vacuum flask uses.

Description of the drawings

Fig. 1 is that the present embodiment is mainly used for embodying integrally-built axonometric schematic diagram；

Fig. 2 is the structure diagram that the present embodiment is mainly used for embodying bottle cap；

Fig. 3 is the half-section diagram that the present embodiment is mainly used for embodying internal structure；

Fig. 4 is the partial enlarged view of the part A of Fig. 3, is mainly used for embodying the internal structure of bottle cap；

Fig. 5 is the structure diagram that the present embodiment is mainly used for embodying bottle stopper；

Fig. 6 is the structure diagram that the present embodiment is mainly used for embodying head cover.

Reference numeral：1st, body；101st, bottleneck；102nd, be screwed on portion；2nd, bottle cap；21st, outer cover；211st, portion is screwed；22nd, it is interior Lid；221st, spliced eye；3rd, bottle stopper；31st, annular flange；32nd, conical core hole；4th, head cover；41st, air hole；42nd, draw ring；43rd, apical ring； 5th, balancing needle.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Referring to attached drawing 1, a kind of vacuum flask includes body 1, and the top of body 1 is equipped with for the bottleneck 101 of pouring, bottle The outside of mouth 101 is equipped with the portion 102 that is screwed on, and bottle cap 2 is covered in the portion 102 that is screwed on, bottle cap 2 is threadedly coupled with the portion of being screwed on 102, finally Form the external structure of vacuum flask.

Referring to attached drawing 1-2, above-mentioned bottle cap 2 includes inner cover 22 and outer cover 21, and inner cover 22 is embedded in outer cover 21, and the two is led to The mode for crossing clamping forms an entirety；For convenience of user's rotary bottle cover 2, outer cover 21 includes the portion of screwing 211, screws portion The 211 corrugated structure of lateral wall, can effectively increase the frictional force between bottle cap 2 and human hand, when avoiding rotation bottle cap 2 It has skidded.

Referring to attached drawing 3-4, offer spliced eye 221 on the center of above-mentioned inner cover 22, in spliced eye 221 grafting set There is bottle stopper 3, bottle stopper 3 is whole using stainless steel, and the side wall of spliced eye 221 and bottle stopper 3 is in part pyramid like configuration；With reference to attached Fig. 5 is extended with the annular flange 31 of section semicircular in shape on the side wall of bottle stopper 3 so that bottle stopper 3 passes through annular flange 31 and grafting The inner wall in hole 221 abuts, and reduces the frictional resistance between 221 inner wall of bottle stopper 3 and spliced eye, improves bottle stopper 3 in spliced eye The flexibility rotated in 221.

Referring to attached drawing 4 and attached drawing 6, the top of above-mentioned bottle stopper 3 is equipped with head cover 4, and head cover 4 uses metal material, and and grafting Hole 221 is threadedly coupled；Even circumferential offers 6 air holes 41 on head cover 4, and the upper surface of head cover 4 is hinged with draw ring 42, uses Person can easily rotate head cover 4 by draw ring 42；The lower surface of head cover 4 has extended vertically apical ring 43, the lower edge of apical ring 43 In globoidal structure, head cover 4 is abutted by apical ring 43 with the upper surface of bottle stopper 3, so as to which bottle stopper 3 is pushed against in spliced eye 221 On wall, avoid bottle stopper 3 and move up and down in spliced eye 221.

Referring to attached drawing 5-6, it is contemplated that air pressure can be less than atmospheric pressure in vacuum flask after hot water cooling, and bottle stopper 3 is caused to be difficult to It is extracted at bottleneck 101, offers conical core hole 32 on 3 center of bottle stopper vertically, and the center of 4 lower surface of above-mentioned head cover On be correspondingly provided with balancing needle 5, balancing needle 5 is fixed on vertically by welding on 3 lower surface of bottle stopper；Conical core hole 32 and balance The side wall of needle 5 is in part pyramid like configuration.

Above-mentioned balancing needle 5 and head cover 4 constitute the balance element for limiting the up and down motion of bottle stopper 3.

After user tightens head cover 4 in spliced eye 221, head cover 4 can drive balancing needle 5 to be transported downwards in conical core hole 32 It is dynamic, until apical ring 43 and balancing needle 5 abut respectively with 3 upper surface of bottle stopper and 32 inner wall of conical core hole, it ensure that the heat-insulated effect of bottle stopper 3 Fruit；When user needs equilibrium incubation bottle inner and outer air pressure, user need to only rotate head cover 4, and head cover 4 is detached from bottle with apical ring 43 Plug 3, while balancing needle 5 and the inner wall of conical core hole 32 are detached from, vacuum flask can pass through the gap of balancing needle 5 and 32 inner wall of conical core hole Realize the balance of inner and outer air pressure.

The operation principle of the present embodiment is：When user needs to remove bottle cap 2 at bottleneck 101, user only needs Rotate bottle cap 2 so that bottle cap 2 is detached from the portion of being screwed on 102；In the process, bottle stopper 3 progressively disengages bottleneck 101 with bottle cap 2, And due between bottle stopper 3 and bottle cap 2 can flexible rotating, bottle stopper 3 can't rotate synchronously with bottle cap 2, that is, use While person rotates bottle cap 2, bottle stopper 3 can't rotate in bottleneck 101 simultaneously as the face bottleneck 101 always of bottle stopper 3, has The abrasion for avoiding bottle stopper 3 and bottleneck 101 of effect.

When user, which needs to cover, closes bottle cap 2, bottle cap 2 need to be only tightened in the portion of being screwed on 102 by user, with bottle cap 2 Rotation, bottle stopper 3 is vertically lowered, is finally plugged in bottleneck 101 therewith；In the process, due to 3 face bottleneck of bottle stopper 101 and bottle stopper 3 will not rotate, bottle stopper 3 and bottleneck 101 wear minimum.

This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but As long as it is all protected in the right of the utility model by Patent Law.

Claims (10)

1. a kind of vacuum flask, including body（1）, bottle cap（2）And bottle stopper（3）, the body（1）On offer bottleneck（101）, It is characterized in：The bottle cap（2）With bottle stopper（3）In rotation connection, the bottle stopper（3）Face bottleneck（101）, and the bottle cap（2） And bottle stopper（3）Center of rotation and bottle stopper（3）Center line overlap, the bottle cap（2）And bottle stopper（3）In be equipped with for preventing bottle Plug（3）The balance element of up and down motion.

2. a kind of vacuum flask according to claim 1, it is characterized in that：The bottle cap（2）Including inner cover（22）, the inner cover （22）In be equipped with and be used for and bottle stopper（3）Mating spliced eye（221）, the bottle stopper（3）And spliced eye（221）Side wall be in Part pyramid like configuration.

3. a kind of vacuum flask according to claim 2, it is characterized in that：The bottle stopper（3）With spliced eye（221）The side of abutting Annular flange is extended on wall（31）, the bottle stopper（3）Pass through annular flange（31）With spliced eye（221）Side wall abuts.

4. a kind of vacuum flask according to claim 3, it is characterized in that：The bottle cap（2）Further include outer cover（21）, it is described outer Lid（21）With inner cover（22）In clamping engagement.

5. a kind of vacuum flask according to claim 4, it is characterized in that：The outer cover（21）Side lateral wall is equipped in ripple Shape structure screws portion（211）.

6. a kind of vacuum flask according to claim 2, it is characterized in that：The balance element includes being set to bottle stopper（3）Top Head cover（4）, the head cover（4）With spliced eye（221）It is threadedly coupled.

7. a kind of vacuum flask according to claim 6, it is characterized in that：The head cover（4）Lower surface is equipped with apical ring（43）, institute State apical ring（43）Lower edge in globoidal structure, and the head cover（4）Pass through apical ring（43）Lower edge and bottle stopper（3）Upper table Face abuts.

8. a kind of vacuum flask according to claim 6, it is characterized in that：The balance element further includes and head cover（4）It is fixed to connect The balancing needle connect（5）, the bottle stopper（3）Center on offer be used for and balancing needle vertically（5）Mating tap web Hole（32）.

9. a kind of vacuum flask according to claim 7, it is characterized in that：The balancing needle（5）And conical core hole（32）Side wall It is in part pyramid like configuration.

10. a kind of vacuum flask according to claim 6 or 9, it is characterized in that：The head cover（4）On be uniformly provided with it is several Air hole（41）.