CN208616477U - A kind of packing container with safety prompt function structure - Google Patents

Abstract

The utility model discloses a kind of packing containers with safety prompt function structure, including vessel and turn-break type unscrewing lid, it unscrews and is formed with pit on the caping of lid, it arches upward to form safety knobs upwards in the bottom surface of pit, pit and safety knobs are circle, up-small and down-big cyclic annular tapered wall is formed on the tegmental wall of caping, the lower part for unscrewing the tegmental wall of lid is equipped with two bulge loops, annular groove is constituted between two bulge loops, U-shaped joint-cutting is equipped at the slot bottom of annular groove, tegmental wall on the upside of joint-cutting slopes inwardly to form the punching press mouth of perforation tegmental wall, tegmental wall between adjacent punching press mouth, which is constituted, builds bridge, tegmental wall below punching press mouth constitutes anti-theft ring.The utility model efficiently solves the problems, such as that the packing container of the prior art lacks the packing container of Product quality and safety prompting function and prior art operator during uncapping and is easy injury, the safety of packing container in use is substantially increased, there is very high practical value.

Description

A kind of packing container with safety prompt function structure

Technical field

The utility model relates to food container technical fields, and in particular to a kind of packaging with safety prompt function structure Container.

Background technique

The food and drink bottle of the prior art generallys use turn-break type unscrewing lid, and this unscrewing lid usually has caping and caping Lateral margin and the synthetic resin gasket being bonded on the inside of caping, there is anti-theft ring on the downside of lateral margin, are connect by building bridge with lateral margin. By being inserted in vessel port and applying certain pressure in caping, contacts gasket with vessel port and have certain decrement, pass through Screw thread, anti-theft ring and packing container oral area edge curling seal on lid lateral margin and packing container mouth are held, and make unscrewing lid can be well It is enclosed on container and guarantees leakproofness.When unlatching, a hand holds container, and another hand pinches container cover and revolve towards thread looseness direction Turn to move up, can not move up due to being limited in container mouth neck portion after anti-theft ring seaming, so twisting off connection lateral margin and anti-theft ring It builds bridge, lid removal.Several notch usually are molded in unscrewing lid lateral margin lower end, constitutes and builds bridge between notch, form in this way Build bridge out also longer, and build bridge with notching edge substantially it is exposed outside, bridge formation twist off after will form multiple sharp breaking points, It is easy to keep operator injured when rotating lid, there are security risks.In addition, the safety of food and drink is always interested in industry A major issue, and whether turn-break type unscrewing lid can verify the product and opened by people by building bridge be damaged, To play anti-theft function.But by sealing product can due to shelf storage overlong time or various aspects, The long-time temperature difference, collision and material capability are degenerated etc. under various factors, so that the product of sealing generates gas leakage and asks originally Topic, and can not judge at this time from the feature that whether be broken is built bridge food whether safety, may then cause food safety and ask Topic.Packing container in the prior art with unscrewing lid does not have food safety prompting function, how preferably to help and remind The safety for the product that consumer alert is bought is always the direction that industry is made great efforts.

On the other hand, the capping procedure of container is that lid is inserted in container finish, after caping applies certain pressure, rotation The sealing knife at thread forming knife and lower part anti-theft ring in the middle part of lid lateral margin, goes out lid screw thread, root according to vessel port thread forming Lid anti-theft ring is molded according to vessel port anti-theft ring neck structure.In order to guarantee sealing performance of the container after capping, container envelope Often apply comparable pressure in caping when mouth, in this way having gasket and vessel port just can guarantee appearance under certain magnitude of interference The sealing of device mouth, but appearance the problems such as excessive caping pressure will cause container be collapsed, container anti-theft ring neck deformation.Unscrewing lid It is that can not recover to original state after being opened bridge formation fracture and play anti-theft function, but have such situation in real process Occur, since container finish molding can not be completely the same, when anti-theft ring seaming can not especially be bonded the bulge loop of container, cause to revolve It uncaps and turns an angle in unlatching Shi Huixian, at first anti-theft ring and unscrewing lid one up move a small end after, anti-theft ring Can just be blocked by bulge loop, continue to rotate unscrewing cover its bridge formation just start to be broken；The especially container of metal material, vessel port neck Portion can only be molded into convex structure for limiting its cross section of bulge loop that anti-theft ring moves up, therefore can not be with when anti-theft ring seaming It is fitted closely, and is generally covered unlatching Shi Huixian in unscrewing and is turned an angle, thus there is a security risk, i.e., certain The rotation (or loosening) of unscrewing lid to a certain extent is caused when carrying, touching unscrewing lid during storage product, i.e., in frame The decrement of gasket becomes smaller before bridge is not broken also, at this time since leakproofness variation can cause the shelf-life of product to contract significantly It is short.

Utility model content

The purpose of this utility model be for solve the prior art packing container lack Product Safety prompting function and Operator is easy injured problem and provides a kind of packing container with safety prompt function structure during uncapping, can be to consumption Person carries out safety prompting, greatly improves safety of the packing container in opening process.

The utility model another object is that for solve the prior art packing container in capping procedure due to caping pressure Power is excessive and the problems such as be easy to cause container be collapsed, container anti-theft ring neck deformation and provides a kind of with safety prompt function structure Packing container, can make packing container in capping procedure caused by container be collapsed, container anti-theft ring neck deformation the problems such as it is big Amplitude is reduced.

The third purpose of the utility model is led to solve the packing container of the prior art and being easy to appear leakproofness variation The problem of causing shelf life of products to greatly shorten, provides a kind of packing container with safety prompt function structure, has structure simple, close Envelope property is got well and feature easy to open.

The concrete scheme that the utility model uses to solve above-mentioned technical problem is a kind of packet with safety prompt function structure Packaging container, the turn-break type including vessel and for closed container oral area unscrew lid, form cylinder on the packing container Shape vessel port, is formed with external screw thread on the outer wall of vessel port, and the unscrewing lid includes caping and from the outer rim of the caping to downward The cylindric tegmental wall of composition is stretched, is equipped with the internal screw thread being adapted to the external screw thread in the middle part of tegmental wall, the lower surface of the caping is equipped with Gasket, gasket abut sealing with the opening's edge portion of vessel port；Pit is formed on caping, the bottom surface of pit arches upward to be formed upwards Safety knobs, the pit and safety knobs are circle, are formed with up-small and down-big cyclic annular tapered wall on the tegmental wall of caping, The lower part of tegmental wall is equipped with two and is parallel to each other and constitutes annular groove, annular groove between the bulge loop of tegmental wall, two bulge loops Slot bottom at along tegmental wall be circumferentially with several U-shaped joint-cuttings, the tegmental wall on the upside of the U-shaped joint-cutting slopes inwardly to form perforation tegmental wall Punching press mouth, the tegmental wall between adjacent punching press mouth, which is constituted, builds bridge, and the tegmental wall below punching press mouth constitutes anti-theft ring, and anti-theft ring passes through institute Bridge formation is stated to connect with the tegmental wall above punching press mouth.The packing container of the utility model is equipped with a pit at the top of unscrewing lid, The bottom surface of pit is equipped with a upward arc arcuate configuration, this arcuate configuration is after product vacuumizes or product heat-seal is cooling When inside generates negative pressure, under the action of external atmosphere pressure, which can sink to form downward concave surface, and in product In shelf-life, which exists always.When the food that the seal failure of container causes air to flow into inside container or container becomes Matter generates gas, and when so that inner and outer air pressure is identical or air pressure inside is greater than external atmosphere pressure, which can bounce recovery Original state forms the structure feature that safety knobs arch upward upwards, reminds consumer alert at this time, there may be quality safeties for the commodity Problem should not be bought or eat.On the other hand, the utility model covers mutually flat equipped with two between portion and anti-theft ring in unscrewing It goes and constitutes annular groove between the bulge loop of tegmental wall, two bulge loops, will be used to separate the joint-cutting and adjacent joint-cutting of anti-theft ring Between bridge formation be arranged at the slot bottom of annular groove, joint-cutting and build bridge in rotation unscrewing lid in this way and be in the recess of groove Place and be not easy the palm contacts with operator, the spine after (build bridge fracture) can be broken to avoid anti-theft ring injures palm.Together When, the utility model utilizes the tegmental wall on the upside of U-shaped joint-cutting to slope inwardly the punching press mouth to form perforation tegmental wall (for replacing traditional work The notch of skill), build bridge in this way fracture when the spine that is formed can be squeezed by the tegmental wall on the upside of U-shaped joint-cutting in unscrewing lid rotation and Its acuteness (or keeping the direction of spine consistent with rotation direction by squeezing) is lost to a certain extent, to greatly reduce to behaviour Author's palm causes a possibility that damage.In this way, the utility model also solves the packing container of the prior art in the process of uncapping Middle operator is easy injured problem, substantially increases the safety of packing container in use.

Preferably, the diameter of safety knobs is 12 millimeters to 33 millimeters, the height that arches upward of safety knobs is 0.2 millimeter to 0.8 Millimeter and the depth for being lower than pit, the vessel are integrally formed by single-layer metal material, and the opening's edge portion of vessel port is by container The single-layer metal material convolution of ontology is constituted, and the top in the opening's edge portion is arc-shaped.The vessel of the utility model is by list Layer metal material is integrally formed, and the opening's edge portion of vessel port is made of the single-layer metal material convolution of vessel, transversal noodles Like ellipse, the top in opening's edge portion is arc-shaped, and is conducive to contact sealing with gasket.

Preferably, U-shaped joint-cutting is 6 to 12, it is evenly arranged in the outer peripheral surface of unscrewing lid；The bridge formation, which is equipped with, to be carved Slot, circumferential direction of the cutting along tegmental wall periphery are arranged, and the cutting on the bridge formation is one, and the cross section of the cutting is three Angular, the bottom edge of triangle is concordant with the lower side of punching press mouth, the depth capacity of the cutting be the tegmental wall thickness 40% to 60%, the width of rebate of cutting is 0.7 to 1.3 times of groove depth.Cutting is to remove a part of tegmental wall material using cutting way It is formed, different from by indent structures of formation such as extruding, on the one hand the presence of cutting makes the wall thickness built bridge locally thinning And structural strength reduces, and on the other hand unscrews the stress at lid start-up time slot and concentrates, therefore can greatly reduce unscrewing lid Opening force facilitates the purpose of unlatching.And the bottom edge of triangle cutting is concordant with the lower side of punching press mouth, cover frame is unscrewed in rotation in this way The lower side outer of the post-rift punching press mouth of bridge is one complete round, i.e., the circle outer does not have spine, can be to greatest extent The ground post-rift spine that avoids building bridge injures palm.

It is abutted preferably, the peripheral part of the gasket is integrally extended with downwards for the opening's edge portion inner wall with vessel port Inner seal ring and the outer seal ring that is abutted with opening's edge portion outer wall, constitute that Open Side Down between inner seal ring and outer seal ring is close Sealing groove；The lateral surface lower end of inner seal ring is equipped with guiding arc-shaped side；The top phase of the slot bottom of the seal groove and the opening's edge portion Adaptation.The unscrewing of the utility model covers the vessel port auxiliary section in the periphery of gasket equipped with inside and outside two sealing rings, and two close The seal groove for being inserted in vessel port, in this way after vessel port enters seal groove, the medial surface of outer seal ring are constituted between seal ring The outer wall that (i.e. the outside cell wall of seal groove) is close to vessel port forms external seal, and (i.e. seal groove is interior for the lateral surface of inner seal ring Side channel wall) inner wall of being close to vessel port forms interior sealing, and the top that the slot bottom of seal groove is close to the opening's edge portion of vessel port is constituted Upper sealing, in this way, unscrewing lid has just carried out good sealing to container.The slot bottom of seal groove is adapted with the top in opening's edge portion, That is the slot bottom cross section of seal groove is also arc-shaped, and is conducive to the sealing performance for improving container.

Preferably, being equipped with capaciting material groove with gasket corresponding above and below seal groove top surface, the groove bottom of the capaciting material groove is Arc-shaped, the center line of capaciting material groove cross section is overlapped with the center line of seal groove cross section, and the opening width of capaciting material groove is sealing The 55% to 75% of groove width, the depth of capaciting material groove are the 35% to 65% of capaciting material groove opening width；When unscrewing lid covered container mouth, outside The medial surface of sealing ring is close to the outer wall of vessel port, and the lateral surface of inner seal ring is close to the inner wall of vessel port, the slot bottom of seal groove It is close to edge on the oral area of container, the cross-sectional area of capaciting material groove reduces and its slot bottom is close to the lower surface of caping.The utility model exists Gasket top surface above seal groove is provided with a capaciting material groove, which is arranged in the one side that gasket is contacted with caping, When unscrewing lid covered container mouth, the reaction force generated when caping covers with downward pressure, gasket interference, and the anti-work Firmly a part can be deformed by capaciting material groove and be absorbed, therefore will not all be acted on container, to significantly reduce container Pressure-bearing, make container in capping procedure caused by container be collapsed, container anti-theft ring neck deformation the problems such as be greatly reduced.

Preferably, the height of inner seal ring cross section be greater than outer seal ring cross section height (i.e. inner seal ring is downward The length of extension is greater than the length that outer seal ring extends downwardly), the lateral surface lower part of inner seal ring is convexly equipped with interference ring, interference ring The distance between seal groove slot bottom is greater than the axial movement distance that unscrewing lid opens caping when building bridge fracture, the guiding arc The upper edge on side is connect with the lower edge of interference ring.The utility model is convexly equipped with interference ring, interference in the lateral surface lower part of inner seal ring Ring is a raised zonary structure on the lateral surface of inner seal ring, and interference ring is close to vessel port in the lateral surface of inner seal ring Inner wall when can play the role of strengthen sealing, due to the distance between interference ring and seal groove slot bottom be greater than unscrewing lid unlatching The axial movement distance of caping when anti-theft ring is broken covers the initial stage that rotation is opened in unscrewing, when unscrewing lid moves in the axial direction When a certain distance but unbroken anti-theft ring, interference ring is close to the inner wall of vessel port always, it is ensured that close in front of anti-theft ring is unbroken Sealing between seal ring and the inner wall of vessel port thus can touch rotation to avoid during certain carryings, storage product The rotation (or loosening) of unscrewing lid to a certain extent, i.e., the compression quantitative change of gasket before bridge formation is not broken also are caused when uncapping It is small, cause leakproofness be deteriorated and the appearance of the situation that greatly shortens shelf life of products, and be oriented to arc-shaped side and be conducive to guidance and hold Device mouth enters seal groove.

Preferably, the upper section of the tapered wall, which is close to outer seal ring, constitutes outer seal ring press section, the unscrewing When lid covered container mouth, the outer seal ring is greater than inner seal ring to the pressure of vessel port inner wall to the pressure of vessel port outer wall, The apex angle of the tapered wall is 26 to 49 degree.The utility model is formed with up-small and down-big cyclic annular cone on the tegmental wall close to caping Shape wall, that is, the upper section for unscrewing lid is up-small and down-big structure, and the cross section of the section lid wall is oblique, is squeezed by tapered wall outer close Seal ring constitutes press section, so that its medial surface is close to the outer wall and outer seal ring of vessel port after the extruding of the outer seal ring portion of being squeezed Inner seal ring is greater than to the pressure of vessel port inner wall to the pressure of vessel port outer wall, this assures outer seal rings to vessel port Sealing, solve in traditional handicraft the poor sealing performance by way of caping and unilateral side (inside) sealing ring compress vessel port Problem, simultaneously because the press section of the utility model is up-small and down-big pyramidal structure, therefore unscrewing lid is easy when container unlatching Deviate from from vessel port, avoids in traditional handicraft by way of caping and bilateral (medial and lateral) sealing ring compress vessel port When opening since the larger packing container that will lead to of frictional force that bilateral generates opens difficult problem, in the premise for ensuring to seal Under facilitate the unlatching of packing container.Apex angle is the angle between the tapered wall of caping two sides, and apex angle is too small, and outer seal ring is to container The lateral compression power of mouth is excessive, and the opening force for the unscrewing lid being easy to cause is excessive；Apex angle is excessive, then outer seal ring is to vessel port Pressure is too small, is easy although opening, sealing performance is poor.

Preferably, the medial surface of inner seal ring and gasket lower surface (do not extend downwardly at inner seal ring Gasket bottom surface) between by the transition of resistance to compression cambered surface connect, the radius of the resistance to compression cambered surface is inner seal ring cross-sectional height 0.7 to 1.3 times.Resistance to compression cambered surface is arranged between the medial surface and gasket lower surface of inner seal ring can significantly improve interior sealing The anti-pressure ability of ring strengthens interference ring to the sealing function of vessel port inner wall.

Preferably, the relief groove extended along seal groove, institute are equipped on the slot bottom of seal groove close to the side of inner seal ring The opening width for stating relief groove is the 11% to 24% of seal groove slot bottom width, and the depth of relief groove is seal groove slot bottom width 16% to 29%；The center line of the relief groove cross section and the center line of seal groove cross section are parallel to each other, the inside of relief groove (i.e. the inside cell wall of relief groove is by seal groove close to slot bottom on same cylindrical surface for inside cell wall at cell wall and seal groove slot bottom The inside cell wall at place, which extends, to be constituted), the groove bottom of relief groove is arc-shaped.The effect of relief groove is that the appropriate inner seal ring that reduces enters The resistance of vessel port, resistance is excessive when the presence due to interference ring and resistance to compression cambered surface being avoided to cause unscrewing lid covered container mouth, holds Cause gauffer at interference ring along excessive compression gasket on the oral area of device, serious damage is caused to the sealing performance of container Evil.Although the resistance for reducing resistance to compression cambered surface when can also reduce unscrewing lid covered container mouth, to the sealing performance shadow of interference ring Sound is larger, and relief groove, which is arranged, can be reduced to a minimum this influence, while avoid occurring gauffer at interference ring again, be Ideal technical solution；On the other hand, the cross section size of relief groove has larger impact to sealing performance, and relief groove is excessive, no But the sealing on container finish top is influenced, but also the sealing performance of interference ring can be reduced, it is therefore desirable to which control is reasonable at one In the range of.

Preferably, the lower part of cyclic annular tapered wall is circumferentially with the internal pressure liberation port of multiple inside punching presses, internal pressure along tegmental wall The inside bending of the tegmental wall of the lower side of liberation port constitutes intilted bevel structure, the unscrewing lid inner wall at internal pressure liberation port with Cyclic annular diffusion chamber is equipped between vessel port outer wall.Internal pressure liberation port for when container inner pressure is excessive by container gas or Liquid discharges in time, avoids container inner pressure is excessive unscrewing lid is caused directly to fly out and cause serious consequence；Cyclic annular diffusion chamber can To avoid the Concentration of matter in container in some release, impact force when internal pressure release is reduced.

The beneficial effects of the utility model are: 1. it efficiently solve the packing container of the prior art and lack product quality Safety prompting function and the packing container of the prior art operator during uncapping are easy injured problem, can be to consumption Person carries out Product quality and safety prompting, greatly improves the safety of packing container in use.2. solving existing skill The packing container of art be easy to cause container be collapsed, container anti-theft ring neck deformation since caping pressure is excessive in capping procedure The problem of, make packing container in capping procedure caused by container be collapsed, container anti-theft ring neck deformation the problems such as significantly subtract It is few.The problem of 3. packing container for solving the prior art is easy to appear leakproofness variation, and shelf life of products is caused to greatly shorten. The packing container of the utility model has the characteristics that Product quality and safety prompting function, anti-theft sealing are good and easy to open, With very high practical value.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram that lid is unscrewed on the utility model packing container；

Fig. 2 is a kind of overall structure diagram of the utility model packing container；

Fig. 3 is a kind of partial structure sectional view of unscrewing lid；

Fig. 4 is another partial structure sectional view of unscrewing lid；

Fig. 5 is a kind of partial structure sectional view when unscrewing lid covered container mouth；

Fig. 6 is another partial structure sectional view when unscrewing lid covered container mouth；

Fig. 7 is a kind of partial structure sectional view unscrewed at cover frame bridge；

Fig. 8 is a kind of stress schematic diagram when unscrewing lid covered container mouth；

Fig. 9 is a kind of overall structure diagram of the utility model packing container in working condition (negative pressure state).

In figure: 1. caping, 2. tegmental walls, 3. anti-theft rings, 4. gaskets, 5. opening's edge portions, 6. inner seal rings, 7. outer seal rings, 8. seal groove, 9. capaciting material grooves, 10. interference rings, 11. tapered walls, 12. press sections, 13. resistance to compression cambered surfaces, 14. relief grooves, 15. guiding Arc-shaped side, 16. internal pressure liberation ports, 17. build bridge, 18. bulge loops, 19. annular grooves, 20. U-shaped joint-cuttings, 21. punching press mouths, 22. quarters Slot, 23. pits, 24. safety knobs, 25. internal screw threads, 26. vessels, 27. vessel ports, 28. diffusion chambers.

Specific embodiment

The embodiments of the present invention is further detailed below by way of examples and with reference to the accompanying drawings.

Embodiment 1

In Fig. 1 embodiment 1 shown in Fig. 2, a kind of packing container with safety prompt function structure, including vessel 26 And the turn-break type for closed container oral area unscrews lid, vessel is integrally formed by single-layer metal material, the packing container On form cylindrical container mouth 27, the opening's edge portion of vessel port is made of the single-layer metal material convolution of vessel, the mouth Top along portion is arc-shaped.External screw thread is formed on the outer wall of vessel port, the unscrewing lid is including caping 1 and by the caping Outer rim extends downwardly the cylindric tegmental wall 2 of composition, is equipped with the internal screw thread 25 being adapted to the external screw thread, the caping in the middle part of tegmental wall Lower surface be equipped with gasket 4, gasket abuts sealing with the opening's edge portion 5 of vessel port, and the peripheral part of the gasket is to next Body is extended with the inner seal ring 6 abutted for the opening's edge portion inner wall with vessel port and the outer seal ring 7 abutted with opening's edge portion outer wall, The seal groove 8 that Open Side Down, the top phase of the slot bottom of seal groove and the opening's edge portion are constituted between inner seal ring and outer seal ring Adaptation.Pit 23 is formed on caping, 0.7 millimeter of the depth of pit, the bottom surface of pit arches upward to form safety knobs 24 upwards, described Pit and safety knobs be circle, the diameter of safety knobs is 12 millimeters, and the height that arches upward of safety knobs is 0.2 millimeter；Tegmental wall Lower part is equipped with two and is parallel to each other and constitutes annular groove 19 between the bulge loop of tegmental wall 18, two bulge loops, annular groove 9 U-shaped joint-cuttings 20 are circumferentially with along tegmental wall at slot bottom, U-shaped joint-cutting is evenly arranged in the outer peripheral surface of unscrewing lid, the U-shaped joint-cutting The tegmental wall of upside slopes inwardly to form the punching press mouth 21 of perforation tegmental wall, and the tegmental wall between adjacent punching press mouth constitutes bridge formation 17, punching press Tegmental wall below mouthful constitutes anti-theft ring 3, and anti-theft ring is connect by the bridge formation with the tegmental wall above punching press mouth.

Up-small and down-big cyclic annular tapered wall 11 is formed on the tegmental wall of caping, the upper section of the tapered wall is close to outer Sealing ring constitutes outer seal ring press section 12, and when the described unscrewing lid covered container mouth, the outer seal ring is to vessel port outer wall Pressure be greater than inner seal ring to the pressure of vessel port inner wall, the apex angle of the tapered wall is 39 degree.On the bridge formation of the present embodiment Fig. 7 is seen equipped with cutting 22(), circumferential direction of the cutting along tegmental wall periphery is arranged, and the cutting on the bridge formation is one, described The cross section of cutting is triangle, and the bottom edge of triangle is concordant with the lower side of punching press mouth, and the depth capacity of the cutting is institute The 50% of tegmental wall thickness is stated, the width of rebate of cutting is 0.95 times of groove depth.The lower part of cyclic annular tapered wall is circumferentially set along tegmental wall There is the internal pressure liberation port 16 of multiple inside punching presses, the inside bending of the tegmental wall of the lower side of internal pressure liberation port constitutes intilted oblique Face structure is equipped with cyclic annular diffusion chamber 28 between the unscrewing lid inner wall and vessel port outer wall at internal pressure liberation port.

Embodiment 2

In embodiment 2 shown in Fig. 3, capaciting material groove 9, the appearance material are equipped with gasket corresponding above and below seal groove top surface The groove bottom of slot be it is arc-shaped, the center line of capaciting material groove cross section is overlapped with the center line of seal groove cross section, and capaciting material groove is opened Mouth width degree is seal groove width 55%, and the depth of capaciting material groove is the 35% of capaciting material groove opening width.Inner seal ring in the present embodiment The height of cross section is greater than the height of outer seal ring cross section, and the lateral surface lower part of inner seal ring is convexly equipped in interference ring 10(figure Left side of dotted line part), the distance between interference ring and seal groove slot bottom are greater than the axial direction that unscrewing lid opens caping when building bridge fracture Moving distance (i.e. the leakage angle of unscrewing lid is greater than the break corner of unscrewing lid anti-theft ring).The lateral surface lower end of inner seal ring is equipped with and leads To arc-shaped side 15, the upper edge of the guiding arc-shaped side is connect with the lower edge of interference ring.(see figure 6) when unscrewing lid covered container mouth, The medial surface of outer seal ring is close to the outer wall of vessel port, and the lateral surface of inner seal ring is close to the inner wall of vessel port, the slot of seal groove Edge on the oral area of container is close at bottom, and the cross-sectional area of capaciting material groove reduces and its slot bottom is close to the lower surface of caping.In the present embodiment 1.2 millimeters of the depth of pit, the diameters of safety knobs are 33 millimeters, and the height that arches upward of safety knobs is 0.8 millimeter, remaining and embodiment 1 is identical.

Embodiment 3

In embodiment 3 shown in Fig. 4, pass through resistance to compression cambered surface 13 between the medial surface and gasket lower surface of inner seal ring Transition connection, the radius of the resistance to compression cambered surface is 0.95 times of inner seal ring cross-sectional height.Close to interior on the slot bottom of seal groove The side of sealing ring is equipped with the relief groove 14 extended along seal groove, and the opening width of the relief groove is seal groove slot bottom width 18%, the depth of relief groove is the 23% of seal groove slot bottom width；The center line of the relief groove cross section and seal groove cross section Center line be parallel to each other, the inside cell wall at the inside cell wall of relief groove and seal groove slot bottom is on same cylindrical surface, decompression The groove bottom of slot is arc-shaped.The opening width of capaciting material groove is seal groove width 75% in the present embodiment, and the depth of capaciting material groove is to hold The 65% of hopper opening width, remaining is identical with embodiment 1 or embodiment 2.

The packing container of the utility model is equipped with a pit at the top of unscrewing lid, and it is upward to be equipped with one in the bottom surface of pit Arc arcuate configuration, this arcuate configuration is in internal generation negative pressure after product vacuumizes or product heat-seal is cooling, in the external world Under the action of atmospheric pressure, which can sink to form downward concave surface (see figure 9).When the seal failure of container leads to air Flow into food spoilage of the container perhaps inside container generate gas so that inner and outer air pressure is identical or air pressure inside be greater than it is extraneous big When air pressure, which can bounce reinstatement and form the structure feature that safety knobs arch upward upwards, remind consumer at this time Note that there may be quality security problems for the commodity, it should not buy or eat.In addition, the packing container of the utility model is revolving Uncap between top and anti-theft ring be equipped with two be parallel to each other and between the bulge loop of tegmental wall, two bulge loops constitute annular it is recessed Bridge formation between the joint-cutting for being used to separate anti-theft ring and adjacent joint-cutting is arranged at the slot bottom of annular groove slot, is turning in this way Joint-cutting and bridge formation are in the recess of groove and are not easy the palm contacts with operator when dynamic unscrewing lid, can be to avoid anti-theft ring Spine after fracture (fracture of building bridge) injures palm.On the other hand, the utility model is inside using the tegmental wall on the upside of U-shaped joint-cutting It is formed slopely the punching press mouth (for replacing the notch of traditional handicraft) of perforation tegmental wall, the spine formed when being broken of building bridge in this way is revolving Uncapping when rotating can be squeezed and lose its acuteness to a certain extent (or makes point by squeezing by the tegmental wall on the upside of U-shaped joint-cutting The direction of thorn is consistent with rotation direction), to greatly reduce a possibility that causing damage to operator's palm.In this way, this is practical The novel unscrewing for solving the problems, such as the prior art covers operator during uncapping and is easy injury, substantially increases unscrewing and covers Safety in use process.In addition, the unscrewing of the utility model covers the vessel port auxiliary section in the periphery of gasket equipped with interior Outer two sealing rings constitute the seal groove for being inserted in container finish between two sealing rings, in this way when container finish enter it is close After sealing groove, the outer wall that the medial surface of outer seal ring is close to vessel port forms external seal, and the lateral surface of inner seal ring is close to vessel port Inner wall form interior sealing, and the slot bottom of seal groove is close on the oral area of container along constituting the sealing (overlapping see Fig. 6, in figure The compression section of gasket when part cooperates for reality), in this way, unscrewing lid has just carried out good sealing to container；And this reality It is provided with a capaciting material groove with the novel gasket top surface also above seal groove, capaciting material groove setting connects in gasket and lid Touching one side has downward pressure F1, the reaction force that gasket interference generates when unscrewing lid covered container mouth when caping covers F2(is shown in Fig. 8), and the reaction force a part can be deformed by capaciting material groove and be absorbed, therefore will not all be acted on container, To significantly reduce the pressure-bearing of container, make container in capping procedure caused by container be collapsed, container anti-theft ring neck deformation The problems such as be greatly reduced.The utility model is convexly equipped with interference ring in the lateral surface lower part of inner seal ring simultaneously, and interference ring is one A raised zonary structure on the lateral surface of inner seal ring, interference ring are close to the inner wall of vessel port in the lateral surface of inner seal ring When can play the role of strengthen sealing, due to the distance between interference ring and seal groove slot bottom be greater than unscrew lid opening anti-theft ring The axial movement distance of caping when fracture, i.e., unscrewing cover rotation open initial stage, when unscrewing lid move in the axial direction it is certain Distance but when anti-theft ring is unbroken, interference ring is close to the inner wall of vessel port always, and (state show see Fig. 5, Fig. 5 being let out for container Leak critical state), it is ensured that the sealing between the unbroken preceding inner seal ring of anti-theft ring and the inner wall of vessel port, it thus can be to avoid It is certain to carry, touched during storage product and cause the rotation (or loosening) of unscrewing lid to a certain extent when unscrewing is covered, i.e., Build bridge be not broken also before the decrement of gasket do not become smaller, cause leakproofness to be deteriorated and the situation that greatly shortens shelf life of products Appearance.

In addition to the implementation, in the range disclosed in claims of the utility model and specification, this is practical Novel technical characteristic or technical data can be reselected and be combined, to constitute new embodiment, these are all these Field technical staff is without carrying out what creative work can be realized, therefore the implementation that these the utility model are not described in Example also should be regarded as specific embodiment of the utility model and be within the protection scope of the utility model.

Claims (10)

1. a kind of packing container with safety prompt function structure, including vessel (26) and twisting off for closed container oral area Formula unscrewing is covered, and is formed cylindrical container mouth (27) on the packing container, is formed with external screw thread on the outer wall of vessel port, special Sign is that the unscrewing lid is including caping (1) and the cylindric tegmental wall (2) constituted, tegmental wall are extended downwardly by the outer rim of the caping Middle part is equipped with the internal screw thread (25) being adapted to the external screw thread, and the lower surface of the caping is equipped with gasket (4), gasket and appearance The opening's edge portion (5) of device mouth abuts sealing, is formed with pit (23) on caping, the bottom surface of pit arches upward to form safety knobs upwards (24), the pit and safety knobs are circle, are formed with up-small and down-big cyclic annular tapered wall on the tegmental wall of caping (11), the lower part of tegmental wall is equipped with two and is parallel to each other and constitutes annular groove between the bulge loop of tegmental wall (18), two bulge loops (19), several U-shaped joint-cuttings (20) are circumferentially with along tegmental wall at the slot bottom of annular groove, the tegmental wall on the upside of the U-shaped joint-cutting to Tilted to form the punching press mouth (21) for penetrating through tegmental wall, the tegmental wall between adjacent punching press mouth, which is constituted, builds bridge (17), below punching press mouth Tegmental wall constitutes anti-theft ring (3), and anti-theft ring is connect by the bridge formation with the tegmental wall above punching press mouth.

2. the packing container according to claim 1 with safety prompt function structure, which is characterized in that the safety knobs Diameter is 12 millimeters to 33 millimeters, depth of the height for 0.2 millimeter to 0.8 millimeter and lower than pit that arch upward of safety knobs, described Vessel is integrally formed by single-layer metal material, the opening's edge portion of vessel port by vessel single-layer metal material convolution structure At the top in the opening's edge portion is arc-shaped.

3. the packing container according to claim 1 with safety prompt function structure, which is characterized in that the U-shaped joint-cutting It is 6 to 12, is evenly arranged in the outer peripheral surface of unscrewing lid；The bridge formation is equipped with cutting (22), and the cutting is along tegmental wall The circumferential setting of periphery, the cutting on the bridge formation is one, and the cross section of the cutting is triangle, the bottom edge of triangle with The lower side of punching press mouth is concordant, and the depth capacity of the cutting is the 40% to 60% of the tegmental wall thickness, the width of rebate of cutting It is 0.7 to 1.3 times of groove depth.

4. the packing container according to claim 1 with safety prompt function structure, which is characterized in that outside the gasket Circumference is integrally extended with downwards the inner seal ring (6) abutted for the opening's edge portion inner wall with vessel port and abuts with opening's edge portion outer wall Outer seal ring (7), the seal groove (8) that Open Side Down is constituted between inner seal ring and outer seal ring；The lateral surface of inner seal ring Lower end is equipped with guiding arc-shaped side (15), and the slot bottom of the seal groove is adapted with the top in the opening's edge portion.

5. the packing container according to claim 4 with safety prompt function structure, which is characterized in that with it is right above and below seal groove The gasket top surface answered is equipped with capaciting material groove (9), the groove bottom of the capaciting material groove be it is arc-shaped, the center line of capaciting material groove cross section with The center line of seal groove cross section is overlapped, and the opening width of capaciting material groove is seal groove width 55% to 75%, the depth of capaciting material groove It is the 35% to 65% of capaciting material groove opening width；When unscrewing lid covered container mouth, the medial surface of outer seal ring is close to the outer of vessel port Wall, the lateral surface of inner seal ring are close to the inner wall of vessel port, and the slot bottom of seal groove is close to edge on the oral area of container, the cross of capaciting material groove Sectional area reduces and its slot bottom is close to the lower surface of caping.

6. the packing container according to claim 4 with safety prompt function structure, which is characterized in that inner seal ring cross section Height be greater than the height of outer seal ring cross section, the lateral surface lower part of inner seal ring is convexly equipped with interference ring (10), interference ring with The distance between seal groove slot bottom is greater than the axial movement distance that unscrewing lid opens caping when building bridge fracture；The guiding arc-shaped side Upper edge connect with the lower edge of interference ring.

7. the packing container according to claim 1 with safety prompt function structure, which is characterized in that the tapered wall Upper section is close to outer seal ring and constitutes outer seal ring press section (12), when the described unscrewing lid covered container mouth, the outer seal ring Inner seal ring is greater than to the pressure of vessel port inner wall to the pressure of vessel port outer wall, the apex angle of the tapered wall is 26 to 49 degree.

8. the packing container according to claim 7 with safety prompt function structure, which is characterized in that the inside of inner seal ring It is connected between face and gasket lower surface by (13) transition of resistance to compression cambered surface, the radius of the resistance to compression cambered surface is that inner seal ring is transversal 0.7 to 1.3 times of face height.

9. the packing container according to claim 8 with safety prompt function structure, which is characterized in that on the slot bottom of seal groove The relief groove (14) extended along seal groove is equipped with close to the side of inner seal ring, the opening width of the relief groove is seal groove slot The 11% to 24% of bottom width degree, the depth of relief groove are the 16% to 29% of seal groove slot bottom width；In the relief groove cross section Heart line and the center line of seal groove cross section are parallel to each other, and the inside cell wall and the inside cell wall at seal groove slot bottom of relief groove exist On same cylindrical surface, the groove bottom of relief groove is arc-shaped.

10. the packing container according to claim 7 with safety prompt function structure, which is characterized in that the ring-type taper The lower part of wall is circumferentially with the internal pressure liberation port (16) of multiple inside punching presses along tegmental wall, the tegmental wall of the lower side of internal pressure liberation port to Interior bending constitutes intilted bevel structure, is equipped with ring-type between the unscrewing lid inner wall and vessel port outer wall at internal pressure liberation port Diffusion chamber (28).