CN103662353B - Food storage container with prompt access lid - Google Patents

Abstract

A kind of food pot with insulation body, the insulation body have the opening for food-receiving wide-mouth.By larynx component being attached to the collar and the throat being screwed in the body of wide-mouth, the collar is attached to the opening of food pot.Larynx component include packing ring positioned at lower end with by throat packing to body.Lid is attached to the collar by hinge.Lid includes central projection, central projection extend to the packing ring on larynx component formed it is in sealing contact with by cover seal to larynx component.Button is installed in the passage in lid, and by resilient member biases so as to be moved to bonding station with the opening in the collar with set engagement of loops, so as to secure the cover to the collar.Wire loop is provided in one embodiment and carrys out engagement buttons.

Description

Food storage container with prompt access lid

Cross-Reference to Related Applications

This application claims the U.S. Provisional Patent Application of Serial No. No.61,614,552 of the submission of on March 23rd, 2012 And Serial No. No.61 that August in 2012 is submitted on the 31st, the rights and interests of 695,681 U.S. Provisional Patent Application are described two Application is integrated with by reference herein.

Technical field

Present invention relates in general to a kind of food storage container, and relate more specifically to it is a kind of have be locked in close stance The food storage container of the lid put and discharged by button.

Background technology

The food storage container Jing of insulation is commonly used for transporting the food under cold state or Warm status, for school And working lunch, for meetting or picnicing, for handicapped personage or other occasions.Many this insulated food storages are held Utensil has lid, and the lid is closed by will cover in screw-in cool-bag or being spun on cool-bag.This is needed to lid and container Manipulation, and this requirement for young child, disabled or older, be one challenge, particularly in container Be the lid with major diameter wide-mouth species in the case of.Little child, with arthritic personage or because of such as apoplexy Lose the personage for fully using to both hands to find catch and be difficult to catch and keep the container while turning lid.Hold Device and the screw thread for covering can become to be silted up because of food particle, and challenge is there is also during cleaning.

The content of the invention

The invention provides a kind of food storage container of the insulation with closable lid, the closable lid can pass through Operation release button and be opened to provide touching to container inside and any food being contained in container.Release button bag The spring biased button for covering is included, the spring biased button releasable catch (catch) or breech lock.Close and locking bit when lid is in When putting, the card in lock protuberance or latch tab engagement container in lid is along (strike).Lock preferably extends into appearance Opening in device is engaging card edge.

When release button is pressed, lock protuberance departs from card edge, so as to open lid.Elasticity between lid and container Liner can have enough elastic force, when release button is pressed, to make lid at least slightly flick.Lid is attached by hinge To container so which can be turned round (swing) and is opened to provide touching for the inside to container.Closing is returned back to by making lid Position and lower cover until lock protuberance and card will cover closing along engaging.

Insulated food container is readily opened and is cut out by using hinge and button.Those regard bigbore threaded Lid and container be challenge personage also can use this container without difficulty.

The second embodiment of food container has fixed breech lock, and the fixation breech lock prevents by mistake releasing for release button Put.In a preferred embodiment, fixed breech lock is used as double projects, and first, even if not holding the lid in pass in release button Secure the cover to closed position in the case of closed position, second, prevent release button to be by mistake pushed to off-position.

Description of the drawings

Fig. 1 is the front perspective view of the insulated food storage container and lid that illustrate principle of the invention；

Fig. 2 is the top perspective view of the food storage container of insulation；

Top perspective views of the Fig. 3 for food storage container, its middle cover are in an open position；

Fig. 4 is the rear perspective view of food storage container and the lid opened, and it illustrates elastic insert and breech lock；

Exploded views of the Fig. 5 for the base portion and lid engagement collar (collar) of insulated food storage container；

Exploded views of the Fig. 6 for the lid, double function packing rings and set ring insert of engagement collar；

Fig. 7 is the exploded view of lid, it illustrates cover；

Fig. 8 is the cross-sectional view of this insulated food storage container, wherein, breech lock is in bonding station；

Fig. 9 is remainder and Fig. 8 identical cross-sectional views except release button is in addition to the disengaging configuration；

Figure 10 is the partial enlarged drawing of double item function packing rings of this food storage container；

Figure 11 is that the principle according to the present invention the side-looking including the second embodiment of the food container of fixed breech lock are stood Body figure；

Top perspective views of the Figure 12 for second embodiment, which illustrates that fixed breech lock is in an open position；

Top perspective views of the Figure 13 for second embodiment, which illustrates that lid is in an open position；

Rear perspective views of the Figure 14 for food container, its middle cover are in an open position；

Exploded views of the Figure 15 for the food container of second embodiment；

Cross-sectional views of the Figure 16 for the food container of second embodiment, which illustrates that fixed breech lock is in the locked position；

Cross-sectional views of the Figure 17 for the food container of second embodiment, which illustrates fixed breech lock in unlocked position simultaneously And button release is in off-position；And

Partial enlargement cross-sectional views of the Figure 18 for the sealing in second embodiment.

Specific embodiment

Insulated food storage container 20 is shown in Fig. 1.The container includes cool-bag body 22, is attached to body 22 Base portion 24, when being vertically placed on surface, body is shelved on base portion, and contrary with base portion 24 installed in body 22 Top on the collar 26.Lid 28 is fixed on the collar 26 to close container 20 and carry out the food being stored in inside the container Closing.Lid 28, the collar 26, body 22 and base portion 24 form the general cylindrical shape structure with generally smooth sidepiece.Base portion The ring 30 and the hettocyrtosises of sidepiece of the 24 slight enlarging to provide broader base portion, body 22 and 26 joint of the collar Mutually deviate from overall cylindrical shape.Certainly, other configurations of food storage container are also within the scope of the present invention.Hold Device need not be incubated in all embodiments.

Lid 28 has the release button of the extendible portion of the cylinder form for being configured to cover at top, forward edge 32, relative with release button 32 is the hinge 34 that lid 28 is pivotally connected to container 20.

In fig. 2, the cylindric configuration of container 20 and lid 28 is obvious.Release button 32 is pressed inwardly, such as By user by press with finger and in release button applying power so that release button 32 in lid 28 radially inward Direction slid inward.Release button 32 is slided in the central authorities when off-position is moved to towards lid 28.As the shape of lid Continuity release button 32 shape reduce that the button for example during the transport of food container 20 by mistake pressed it is several Rate.

Fig. 3 is the view of the food storage container 20 of insulation, wherein, lid 28 is in an open position.Container 20 is on 28 dozens, lid Remain able to be shelved on base portion 24 when opening and user is obtained any food in container or food can be added Add to container.Lid 28 removes the engagement with the collar 26 and is moved to open position to expose the opening 36 of the wide-mouth of container, food Can be placed into and be removed by the opening.Opening 36 into container includes passing to the throat 38 of internal food storage space. Throat 38 is located substantially in the collar 26.Lid 28 has the protuberance of the throat 38 for fitting into container on its inner surface to remove Outside the heat insulation function provided by the side wall 22 of container, the receiving material for food container at the lid 28 provides insulation.On lid 28 Protuberance 40 is configured as fitting tightly into throat 38 and can have taper, slight curving shape to open when covering Constraint is avoided when pivoting between position and closed position.

There is the collar 26 breech lock at the top surface to receive opening 42, when lid 28 it is locked close when, breech lock Lock protuberance 44 fits into the breech lock and receives opening 42.Hinge 34 is by hinge base 46 in the position relative with latch openings 42 Place extends from the collar 26 and is formed.In the view of diagram, throat 38 has the protuberance 48 of little circle, the little circle Protuberance 48 extends towards hinge 46 to engage the elastic insert on lid 28, as will be described.The protuberance of the little circle 48 can be in the recess for extending into the similar shape in the collar 26 at the position of hinge.

Fig. 4 provide lid 28 rearview, show with positioned at edge protrusion along 50 disc-like cover The lid protuberance 40 of centre.Release button 32 is included at the opening 54 in button passage 52 from lid 28 the lock protuberance for extending 44, the button passage 52 extends to the central projection 40 of lid 28 from release button 32.Lock protuberance 44 is extended through Opening 54 is sufficiently slided between bonding station and disengaging configuration with allowing release button 32 and latching protuberance 44 greatly Motion.The central projection 40 of lid 28 includes flattened surfaces 56 at release button passage, and the flattened surfaces 56 are located at except this it On outer generally cylindric central projection.

Protuberance or elastic insert 58 are lifted for elastomeric cap on the side contrary with release button 32 of lid 28.Lid is lifted Material of the protuberance 58 for elasticity, and on the protuberance 48 of the circle that throat 38 is leaned against when lid 28 is in the closed position.With Lid lifts the adjacent cover 60 for hinge 34 of protuberance 58.The cover 60 of hinge includes being arranged on from the collar 26 what is extended Hinge fraction spaced apart on every side of central hinge element or hinge base 46.Opening 62 for joint pin passes through hinge Part is configured.

In Figure 5, base portion 24 and body 22 shape all-in-one-piece unit and are configured to its internal food when deployed Product provide the heat retaining property kept apart with surrounding.Body 22 can be incubated with vacuum heat-preserving or using insulation material. Body have extend into the lip 64 inside body 22 around central opening 66.Lip 64 is embedded convex to be formed from cylinder side wall Platform 68 simultaneously has smooth outer surface.The interior surface of lip 64 is threaded 72.Screw thread 72 is may extend in body 22.

In decomposition view, the collar 26 is illustrated in the top of body 22.The collar 26 has the cylindrical shape with prominent ring 30 Outer surface 74 and the generally flat upper surface 76 with central opening.Central opening has positioned at anterior for receiving breech lock Or latch the rectangular recess or recess 80, the circular depressions 82 at the close hinge base 46 at rear portion of protuberance 44 and be located at Two additional recesses 84 on the both sides of central opening.Show when container 20 is assembled with one another with lid 28, extend through hinge The joint pin 86 in the central authorities of chain part.

Fig. 6 is gone to, for the explanation collar 26, the relation between packing ring 88 and throat 38, the collar 26 in the figure, is also shown for. Single external collar part is provided with food container 20.Throat or inner collar 38 have and extend in external collar 26 Top loop 90.Top loop 90 have rectangle cutaway portion or recess 92, with the collar 26 in rectangle cutaway portion or recessed Mouth 80 is aligned, and receives opening 42 so as to form breech lock.Top loop 38 is prominent also with the circle relative with square cutaway portion 92 Go out portion 48.Protuberance 94 is provided with the downside of top loop 90, the central opening that the protuberance 94 is extended into from the collar 26 prolongs The recess 84 stretched.The protuberance 94 of throat 38 is engaged in the recess 84 in the collar 26 so that when the collar 26 is rotated, throat 38 rotate therewith together, to form spin locking.

The outer surface of throat 38 is threaded to the inside for ordinatedly screwing in body 22 at 96.By by throat 38 Protuberance 94 fit in the collar 26 recess 84 in and rotated the collar 26 when throat 38 combines with body 22 so that The screw thread of body is engaged with each other with the screw thread of throat, so as to throat 38 is assembled into body 22.Arranging joint pin 98 is used for hinge 46.Pivoting action is provided during joint pin 98 is engaged to hinge base 48 and together with the hinge fraction of lid.

The bottom of throat 38 is with the flange 100 inwardly concaved from threaded outer surface 96.By by packing ring 88 So as to packing ring 88 is arranged on flange 100 on the flange 100 that inner fovea part is coupled to outwardly.Packing ring 88 is by being installed in It is positioned in the inside of body 22 on the flange 100 of throat 38, throat 38 is engaged with the collar 26, and by covering Ring 26 and body 22 relative to each other rotate and the collar 26 and throat 38 are spun on body 22.

Fig. 7 shows lid 28, and lid 28 is formed with the central projection point 40 for being fastened to the outer shrouding disc 102 by outer shrouding disc 102. Shrouding disc 102 can be welding or plastic material glued together with ledge 40, such as by the edge 103 of ledge 40 Part corresponding with shrouding disc 102 engages.Central projection point 40 has the breech lock passage or button being integrally formed therewith Passage 52.Flattened surfaces 56 at breech lock passage 52 on central projection 40 can be arranged for strengthen and/or can be with molding The effect of process processed.Breech lock passage 52 includes the opening 54 for making latch tab 44 extend by which, and including positioned at button Motion at opposite sides in passage 52 limits protuberance 104 and the peace of the elastic component at the central rear of button passage 52 Dress protuberance 106.It is mounted shown herein as the elastic component 108 of the short tube of the elastomeric material of such as rubber or other elastomeric materials Elastic component in breech lock passage 52 is installed on protuberance 106.

Latch piece or release button 32 are installed at the position of elastic component 108 in breech lock passage 52.Latch piece or The flank of release button 32 or leg 110 limit protuberance 104 with the motion in breech lock passage 52 and are engaged to limit latch piece Or range of movement of the release button 32 in passage 52.The latch tab 44 of latch piece or release button 32 extends through breech lock Opening 54 in passage 52 and including when lid 28 in close and breech lock position when the lock nose that engages with the collar 26 112.The button part 114 of latch piece or release button 32 extends through opening 116 in shrouding disc 102 to form release button. Latch piece or release button 32 can be and 102 identical material of shrouding disc and color or can be the face being contrasted with shrouding disc Color and/or different materials, with guarantee user because latch piece or release button 32 are different from lid 28 identify latch piece or Release button 32.

Lid lifts the short cylinder with domed ends of protuberance or liner 58 for elastomeric material, its with it is hemispheric The contrary end in end is hollow, so which is may be mounted to that on the protuberance extended from the downside of shrouding disc 102.Lid is carried Rise protuberance 58 to be glued or be otherwise affixed on protuberance, or can be press fitted against over the projections.

With reference to Fig. 8, body 22 has outer wall 118 and inwall 120, defines insulation empty between outer wall 118 and inwall 120 Between 122.Keeping warmth space 122 can be full of air or insulation thing, but in a preferred embodiment, be closed with keeping warmth space 122 Partial vacuum.Preferred body 22 is formed by the rustless steel of two-layer, although other materials can also be instead of using.Base portion 24 is fixed On body 22, and can also be rustless steel or can be plastics, rubber or other materials.

The inwall 120 of body defines food accommodating chamber.The food accommodating chamber is preferably smoothing and is configured as easily In cleaning, and there is no wedge angle or groove.It is to be formed at extending internally in inwall in the upper end of food accommodating chamber 120 Cervical region 124.Packing ring 88 abuts cervical region 124 so that the sealing between throat 38 and body 22 is formed at cervical region 124, and prevents The space that food is arrived between these parts.The packing ring 88 of the embodiment for illustrating has external sealing flange, and the outside seals Flange is combined to provide the sealing of improvement with cervical region 124.

It is the inner threaded portion 126 of the be threadedly engaged throat 38 of body 22 above cervical region 124 in interior wall.Throat 38 have lower flange 100, and packing ring 88 is arranged on the lower flange 100.The upper end of throat 38 has upper ring section 90, when throat 38 When being threaded into body 22, the upper ring section 90 stretches out one section of short distance the collar 26 is maintained at this on the top 76 of the collar 26 On body 22.Second packing ring or O-ring can be provided between the edge of the lip of body and throat so that between throat and body Space to outside sealing.The collar 26 is with the ring 30 extended from the lower limb contacted with the outer surface of body of the collar.Ring 30 can be formed with 26 identical material of the collar, or be formed with the such as ornamental material different from the collar 26.

In fig. 8, lid 28 is in the position of closing and breech lock.Latch tab 44 is extended in the opening in the collar 26 simultaneously As long as with the edge join of the collar 26 as card edge so as to not discharge in latch piece or release button 32 in the case of by lid 28 It is maintained in its closed position.Latch piece or release button 32 are in completely forward or in the position of breech lock in lid 28, with lid and set The drum of ring is concordant.Coordinate the elastic component in breech lock passage that protrusion is installed as the elastic component 108 of the pipe of elastomeric material Between protuberance 128 on the back of portion 106 and latch piece or release button 32, by latch piece towards complete forward facing position or Position latching is pushed.By using person so that latch piece or release button 32 towards off-position gliding motility to elastic component 106 are compressed, so as to overcome by latch piece or release button 32 be maintained at completely forward, the elastic force of latched position.

The inner surface of shrouding disc 102 includes the protuberance 130 of ring-type, is provided with central authorities prominent on the protuberance 130 of ring-type Go out portion 40.Central projection 40 is extended into the throat of throat 38 and is contacted with the packing ring 88 in throat 38.Packing ring 88 With two washer faces formed by the flange extended along different directions (i.e. outwardly and inwardly) so that packing ring 88 is formed simultaneously Sealing between throat 38 and body 22 and the sealing between formation throat 38 and the central projection 40 of lid 26.By arranging Single packing ring 88 with double functions, food accommodate the food in compartment on the one hand be prevented from being bled into body and throat it Between space in, be on the other hand bled into throat and lid between space in.

The downside of shrouding disc 102 is internal with protuberance 132, is provided with lid and lifts protuberance 58 on the protuberance 132. Elastic lid lifts protuberance 58 and is compressed by the body against food container when the lid is in the closed position.Especially, lid is lifted Protuberance 58 is compressed by the protuberance 48 of the circle against throat 38.What the lid of elasticity lifted protuberance 58 is compressed in lid 28 and this Apply the power for opening between body 22.The power for being used to open is being applied at hinge 34.

Fig. 9 illustrates the release button 32 in off-position, as shown in Figure 2, by being pressed against button prominent forward With compression elastic piece 108 on part 114, latch piece or release button 32 has been made to slide in breech lock passage 52.The fortune of latch piece It is dynamic that latch tab 44 is removed into the engagement with the collar 26.Need lasting power to keep in illustrated in release button 32 Position because the elastic component 108 for otherwise being compressed will make latch piece or release button 32 be moved rearwardly into latched position.

The diagram of Fig. 9 only represents the position of a moment, causes as release is carried out to latch piece or release button 32 The lid for being compressed lifts protuberance 58 and applies the power for opening on lid 28 and lid is removed latched position.Preferred real Apply in mode, when the release of latch piece or release button 32 causes the power for lifting protuberance 58 when the lid for being compressed to be released, lid " upspring (pop) " is to slightly open position.In slightly open position, latch tab 44 can not be connect with collar opening again Close, do not relocked so as to cover.Then user can be opened lid to fully open position, and food additive is added in container, or Food is taken out from container.Lid 28 is promoted to into slightly open position allows a user to enough handss and the lid of locking is released Put to open position.So as to the restricted user of degree of flexibility can readily open container.

Insulated food storage container 20 easily can be closed.After food is put in container, lid 28 is by towards closing Position pivots.In the case where or not the power for closing is not applied on lid 28, lid 28 is as lid lifts protuberance 58 at holding In the position of non-locking.By applying to lift protuberance 58, latch tab 44 with compression cover for the power closed on lid 28 Tapered edges 112 the collar 26 can equally with tapered edges card along on slide, by latch piece or release button 32 Towards off-position short distance (briefly) it is mobile.Downward power on lid 28 causes the lock nose on latch tab 44 After collar rim is crossed in portion 112, latch piece or release button 32 are pushed back latched position by the compression stress on elastic component 108. The lock nose 112 of latch tab 44 engage with the collar 26 and therefore lid 28 close lockedly.The closed position of lid 28 The inside of packing ring 88 is made to be pressed on the central projection 40 of lid 28.

In the zoomed-in view of Figure 10, packing ring 88 is shown mounted on the lower flange 100 of throat 38.Packing ring 88 with to The film 134 of outer protrusion, the film 134 abut the cervical region 124 of the inwall 120 of body 22 to form sealing, so as to prevent food and liquid Body is escaped in the space between throat 38 and body 22.Packing ring 88 has inwardly projecting film 135, this to prominent film 135 Contact to be between throat 38 and lid 28 with the cervical region in container with the central projection 40 of lid 28 and sealing is provided.Food thus by The food for being maintained at container is accommodated in center cavity, and by 88 prevent leakage of packing ring.Packing ring 88 is in the accompanying drawings with its noncontact State is illustrated, although cervical region 124 and interior ledge 40 are shown as contacting with packing ring 88.The film 134 and 135 of packing ring 88 is worked as and dress Cervical region and interior ledge in putting will deform when contacting.

There is provided the second embodiment of the food container 140 as disclosed in Figure 11 to Figure 18.As shown in figure 11 In two embodiments, in addition to breech lock, food container 140 is tied substantially with the food container identical with first embodiment Structure.Lid 144 is fixed on into closed position and allows user to open lid 144 to obtain the receiving material of container 140 or add food The breech lock 142 for adding to container 140 is configured to from lid 144 extend in this second embodiment.The button 146 of breech lock 142 is to extension The cylindrical wall of lid 144 is extended over, and the button of first embodiment forms the extendible portion of the cylindrical wall of lid.In the collar The ledge 150 being additionally provided with 154 cylindrical wall 152 below breech lock.Protuberance of the wire loop 156 from the collar 154 Points 150 extend and extend to button 146 ledge top.Raised rib 158 and line on the top of button 142 Ring 156 is engaged.In the case where wire loop 156 is in bonding station as depicted, the button 142 of breech lock is prevented from inwardly pushing away It is dynamic, so as to prevent breech lock to be inadvertently released.Therefore prevent unexpected spilling.

In addition to preventing button 142 and being pressed inwardly, wire loop 156 by extending to lid 144 from the collar 154 of food pot and Lid 144 is maintained in its closed position.If breech lock 142 is not regularly locked, wire loop 156 provide by lid remain turned-off it is attached Plus measure.For example, if food be absorbed in breech lock and prevent breech lock be fully engaged or if user fail will lid by Breech lock is caused to keep the state for not engaging or only partially engaging in press-in fully closed position.Even if when wire loop 156 is in place Button 142 is discharged breech lock by with enough degree pressings, and wire loop 156 will keep lid 144 to close.

Wire loop 156 can be made up of metal, plastics or other materials, can be various shapes, may be mounted to that different positions In and by the approach different from diagram, but such wire loop is still within the scope of the present invention.Wire loop is referred to alternatively as engagement Component.

So, it is therefore prevented that even if food pot is squeezed in the lunch bag everywhere and being pushed away, or being collided or covered not during processing The unexpected spilling of food pot in food is closed under fully locked state initially.

Food cans 140 also have body 160 and base portion 162.Lid 144 is connected to the collar 154 by hinge 164.In the enforcement Any part not described in detail in mode can be roughly the same with previously described embodiment.

In fig. 12, wire loop 156 has been moved into off-position.In the position, wire loop 156 is still kept in from food pot In the protuberance 150 of the collar 154 of body 160, but the button 142 on lid 144 of not rejoining.As the end of wire loop 156 exists Pivot in opening in the protuberance 150 of the collar 154, thus wire loop 156 can be rotated between bonding station and off-position. It can be seen that the protuberance or flank 158 at the top of button 146.When wire loop 156 is being moved to button 146 by user Wire loop 156 was buckled on protuberance 158 when upper, protuberance or flank 158 are maintained at wire loop 156 in bonding station.Pass through User makes wire loop depart from the buckle with button 146 and wire loop 156 is moved to off-position.

Wire loop not only performs (1) holding lid closes simultaneously (2) prevents the function by mistake pressed by button, and performs (3) Guarantee that what is covered completely closes, and (4) are by the function of button push to fully locked position.If lid 144 is pressed by user Closing is depressed into, but fails lid 144 is brought into the position for completely closing, then wire loop 156 is fixed to the effect on button 146 will There is provided additional downward power to force lid to reach a fully closed position.As operculum 144 is closed by user, and breech lock is pressed Button 142 does not still move to fully locked position, then the effect above protuberance 158 wire loop 156 being buckled on button 146 And wire loop 156 on the button being depressed with downwardly and outwardly power pull will pull button towards extended position with joint efforts 146.The power applied on button 146 and lid 144 by wire loop 156 will cover the position of the closing for being pressed into completely in place, and make Breech lock 142 can complete the motion which reaches fully locked position.When user is buckled in wire loop 156 on button 146 During 158 top of protuberance, lid 144 is completely closed and is sealed and button is fully latched.

In the position shown in Figure 12, lid 144 still is locked in the position closed.Position of the button 146 in stretching out Put, indicate the position that engagement is in by the latch part 142 that button 146 is operated.In order to discharge breech lock 142 and open lid 144, make User is pressed inward against on button 146.Thrust is directed along the radial direction relative to cylindric lid with tank body.

Figure 13 illustrates after button 146 is pressed, enable lid 144 to be moved into open position food pot 140.It is logical The food in 166 accessible tank 140 of opening crossed at the top of tank 140 can be put into food in open tank 140.By hinge The pivot of chain 164, lid 144 are moved to full opening of position so that lid is without interference with the addition or taking-up to food.Hinge Lid 144 is remained and is attached to tank 140 so that lid will not be misplaced position by 164, and cover will not because be placed on the surface and Become filthy.It can be seen that the extension 168 of the insulation of the centre of lid 144, which is extended in opening 166 with the lid 144 The food in food pot is incubated and is sealed when closed position.

The top of food pot 140 includes the protuberance 150 for keeping wire loop 156.Wire loop 156 is pivoted in this view To the body for leaning on food pot so which can not also bring any interference when adding or take out food.The set of food pot 140 Ring or edge 154 are also included when lid 144 is closed for receiving the opening 170 of the lock protuberance of breech lock 140.

Figure 14 illustrates another view of the food pot 140 of opening, wherein, lid 144 is in full opening of position.Lid 144 With the button 146 extended from cylinder formed surface.The extension of protuberance enables wire loop 156 engage with protuberance enough.Button 146 are installed to be for gliding motility in the button passage 172 in lid 144.Button passage 172 has lock protuberance 176 The opening 174 for extending through.Lock protuberance 176 is extended in the opening 166 in the collar or edge 154 of food pot, with The edge of engaging food tank and lid 144 is kept in the closed position when engaged.Lock protuberance 176 has lock nose 178, when button 146 and lock protuberance 176 latch edge or card in 178 coupling opening 166 of nose when being in the locked position Edge.

Elastic insert 180 is provided with the position contrary with button 146 on lid 144.The elastic insert when lid 144 is closed 180 engage lid 144 is biased to open position with the extension 182 of the inside edge 184 of food pot.When breech lock 142 is released When, compressible elastic insert 180 promotes lid 144 to open from the position for completely closing.The release of breech lock 142 is caused due to being pressed The elastic insert 180 of contracting is released from its compressive state and lid 144 is flicked at least slightly opened position.

Figure 15 illustrates the part of the insulated food tank 140 of composition second embodiment.Body 162 is preferably with double-walled The vacuum heat-preserving metal of construction.The base portion 162 of such as plastic base etc can be provided with to carry on the insulation body 160 of food pot For making tank stand on surface thereon.The collar or edge 154 of food pot is included for keeping the protuberance 150 of wire loop 156；The collar 154 protuberances 164 for also including the part as hinge.The collar or edge part 154 have recess 186, when lid 144 is closed When opening at the recess 186 be used to latching protuberance 176 and extend.Just the going up positioned at protuberance 150 of wire loop 156 can be observed Side, wire loop 156 are engaged in protuberance 150.The opposed end of wire loop 156 extends into the opening on the opposite side of protuberance 150 In.

Packing ring 188 is shown located at the top of the collar 154, and screws in insulation body 160 with by packing ring 188 and the collar 154 inner sleeves being held in place or throat 190 are located at the top of packing ring 188.On recess 192 and the collar 154 on inner sleeve 190 Recess 186 be aligned to form latch openings 166.

Cover includes central projection 168, and the central projection 168 also includes button passage 172.Central projection 168 provide insulation air space is used to be incubated for the receiving material of food pot.Button body 142 is arranged in button passage 172 To slide between latched position and off-position.The leg 194 extended from the rear portion of button body 142 includes and button passage The foot that protuberance in 172 is engaged removes button passage to prevent button.Lock protuberance 176 extends from button body 142 Opening through in button passage 172.The compressible elastomeric part 196 of such as one section of rubber tube etc is arranged on button body 142 Leg 194 between and extend into and contact for button 142 to be biased into latched position with the rear wall of button passage 172.When pressing When button is moved to off-position, the pressing on button 146 is applied a force upon on compressible elastic component 196.

Elastic insert 180 at the rear portion of lid 144 is shown mounted to the compressible member of the cylindrical shape covered.Lid 144 is also Including cover or disk 198, central projection 168 is attached to cover or disk 198.198 are covered from top X button passage, except button 146 openings 200 for extending through.Cover 144 also includes the complementary portion 202 of the hinge that lid 144 is connected to food pot body.Can Arrange joint pin 204 to interconnect hinge fraction.

The cross-sectional view of the food pot 140 being closed is shown in Figure 16.Button 146 is in the locked position, and leads to The effect for crossing compressible elastic component 196 fully extends from lid 144.Lid 144 is in the closed position in tank body.Due to pressing The position of button and lid, the edge in lock 176 engagement catches opening of protuberance in push-button latch 142, this makes lid keep being in Closed position.To guarantee that lid 144 is held at closed position, the position of top of the wire loop 156 in the top of button 146. Protuberance 150 of the wire loop 156 from tank body extends to position above button 146 to prevent lid 144 to be moved into open position Put.Provide safety to prevent the soup in food pot from there through shape of the wire loop 156 together with button 146 and protuberance 150 Or other foods are overflowed during for example transporting.

The position on button 146 of wire loop 156 prevents button quilt with reference to the one ridge 206 on the top of button 146 Inwardly promote.In other words, wire loop 156 is preventing the movement of button in addition to securing the cover to closed mode.Two Function by wire loop 156 and button 146 structure performing.As noted above, function in addition also can by the structure come Perform.

As noted above, the closed position of lid 144 maintains in food pot and prevents food using the sealing of packing ring Leakage.Elastic insert 180 at the rear portion of lid is illustrated at confined state, and when breech lock 142 is released, elastic insert will Flick under the state.It is cold in food pot to suppress to be stored in that the double-walled structure and lid 144 of food pot 160 provides insulation Food warms and the food that warms up turns cold, and double-walled structure can packed part vacuum, air or the foam for such as foaming or other materials The insulation material of material.The base section 162 being attached on the body of food pot is obvious in cross-section.

Figure 17 illustrates wire loop 156 in disengaging configuration, and in this place, wire loop 156 departs from and permitted from the top of button 146 Permitted to be switched to the position away from button.The disengaging configuration of wire loop 156 is not engaged in any position on button for wire loop.Additionally, In this view, button 146 is pressed inward against towards the central authorities of lid 144.The synthesis in the button passage of push-button latch 142 Gliding motility is compressed to tubular elastomeric part 196, and the tubular elastomeric part is acted on button.When push-button latch 142 occurs foot During enough gliding motilities, lock protuberance 176 and the edge of food pot of button depart from.The drawing of Figure 17 is in so as to show Insulated food tank in unstable position, because lid 144 is by bullet when button 146 is fully pressed inward against to discharge breech lock Open.What is covered flicks mainly due to the elastic insert 180 between lid and the edge of food pot, however, the central authorities for being pressed against lid are prominent Packing ring 188 in portion also can cover power of the applying for opening when a latch is released.

It is contemplated that coil can be pivotally mounted on button and extend to when engaged in some embodiments The top of the protuberance extended from the collar.The body of food pot need not be incubated in each embodiment.

The packing ring 188 on the inner sleeve 190 of food pot is shown in further detail in Figure 18.Packing ring 180 has two portions Point, i.e. the Part I 208 of sealing is formed between the protuberance 168 of inner sleeve 190 and lid, and in inner sleeve 190 and food The Part II 210 of sealing is formed between the cervical region 212 of the double-walled body 160 of thing tank body.Food be thus prevent from food The leakage of tank.

Therefore, such a food pot is shown and describes, which has easily upon opening wide-mouth lid, the wide-mouth lid is provided The entrance of the food being readily accessible in food pot.Food pot can be opened and closed singlehanded.Those such as have arthritic User or young user or those user with flexibility problem with the user of less handss etc make It is possible with food pot.Firm closing ensure that by latched press-button.For example, by the spilling as the food for heat The wire loop of security feature provide additional safety.Lid is not only remained turned-off by the wire loop of the embodiment for illustrating, and Prevent button to be pressed into discharge breech lock, and ensure that lid is fully closed and button is fully latched.It is preferred to implement The fit structure of the increase of the wire loop in mode and the button of protrusion provides these diversified functions.

Although those skilled in the art may propose other remodeling and change, inventor be intended to by it is all these change and Remodeling reasonably and is properly contained in the patent authorized based on this in the range of which contributes to this area.

Claims (13)

1. a kind of food container, including：

Vessel, the vessel have substantially cylindric wall and limit inner space；

The collar, the collar are attached to the vessel；

Lid, the lid can be optionally secured to closed position, to close the inner space of the vessel, and The lid can move to open position, and to expose the inner space of the vessel, the lid includes central protrusion Portion, the central projection are positioned to the opening in the vessel is extended to when the lid is positioned at the closed position In, the central projection has the shape of bending to pivot between the closed position and the open position in described lid When avoid constraint；

The lid is pivotally connected to the collar by hinge, the hinge；

Breech lock, the breech lock can be operated between bonding station and off-position, and the breech lock is arranged in the lid, It is described to be latched in the bonding station engagement collar；

Throat, the throat have upper and lower end, and the upper end is arranged in the collar, and the bottom Extend in the vessel；And

Packing ring, the packing ring are arranged on the bottom of the throat, and the packing ring includes the first packing ring film and the second pad Circle film, the first packing ring film is extended outward into from the throat and is contacted with the vessel, to form the throat and institute State it is in sealing contact between vessel, when it is described lid in the closed position when, the second packing ring film is from the throat Extend internally into and contact with the bottom of the central projection of the lid, with the shape when the lid is in the closed position Sealing between the throat and the lid.

2. food container according to claim 1, wherein, the packing ring is around the inside for leading to the food container The opening in space.

3. food container according to claim 1, wherein, the breech lock includes being in the bonding station when the breech lock When the part outwardly that extends from the lid, and the food container also includes：

Engagement member, the engagement member extend from the collar, and can be selectively positioned in bonding station described On the part outwardly of breech lock.

4. food container according to claim 3, wherein, the part outwardly of the breech lock is button, institute State button to move between latched position and off-position, when the button is in the latched position, the engagement Component can be bonded on the button, and when the engagement member is bonded on the button, the engagement member limits institute State button to be moved to the motion of the off-position and described lid is maintained in its closed position on the vessel.

5. food container according to claim 4, wherein, the engagement member is wire loop.

6. food container according to claim 1, wherein, the throat includes external threaded surface；And

Wherein, the vessel includes interior threaded surface, the external threaded surface of the interior threaded surface and the throat Engagement.

7. food container according to claim 1, wherein, the throat includes at least one protuberance, the protuberance Extend in the recess in the collar, the throat is rotatably locked with the collar.

8. food container according to claim 1, also includes：

Elastic component, the elastic component are mounted to be located at the collar and the lid when the lid is in the closed position Between, so as to the lid is biased away from fully closed position when the breech lock is discharged, so that the lid is towards open position It is mobile.

9. food container according to claim 8, also includes：

The protrusion in the recess for extending to the collar with the edge of the set engagement of loops and from the edge in the throat Portion, the protuberance form the surface for engaging with the elastic component when the lid is closed.

10. food container according to claim 1, also includes：

The button passage for covering, the button passage surround the part and such inner space of the breech lock：The door bolt It is locked in the inner space of the button passage between the bonding station and the off-position with slidable side Formula is moved.

11. food containers according to claim 10, also include：

The the first breech lock leg extended from the breech lock and the second breech lock leg；Breech lock leg engagement knot in the button passage Structure, breech lock leg connected structure are used to engage the first breech lock leg and the second breech lock leg；And

Elastic component, the elastic component are arranged between the first breech lock leg and the second breech lock leg with by the breech lock Bias towards the bonding station.

12. food containers according to claim 10, wherein, the button passage is formed with the central projection of the lid Component is integrated, the central projection is attached to housing to form the lid.

13. food containers according to claim 1, wherein, the breech lock includes latch tab, the latch tab Extend in latch openings to engage the collar, the latch openings by the recess in the collar and the throat in it is recessed Mouth is limited.