CN209009229U - A kind of safe opening type packing container - Google Patents

Abstract

The utility model discloses a kind of safe opening type packing containers, including vessel and turn on lid, the lid of turning on includes caping and tegmental wall, the top of tegmental wall is equipped with the internal pressure liberation port of multiple inside punching presses, the lower part of tegmental wall is equipped with two and is parallel to each other and around the bulge loop of tegmental wall, annular groove is constituted between two bulge loops, several U-shaped joint-cuttings are circumferentially with along tegmental wall at the slot bottom of annular groove, tegmental wall on the upside of the U-shaped 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, anti-theft ring is connect by the bridge formation with the tegmental wall above punching press mouth.The utility model efficiently solves the problems, such as that the packing container of prior art operator during uncapping is easy injury, substantially increases packing container safety in opening process, has very high practical value.

Description

A kind of safe opening type packing container

Technical field

The utility model relates to packing container technical fields, and in particular to a kind of safe opening type packing container.

Background technique

The lid of turning on for being mounted on the vessel ports such as tank has had a structure that caping and caping lateral margin and has been bonded in caping The synthetic resin gasket of side, there is anti-theft ring on the downside of lateral margin, is connect by building bridge with lateral margin.By being inserted in vessel port and covering Top applies certain pressure, contacts gasket with vessel port and has certain decrement, by lid lateral margin and packing container mouth Screw thread, anti-theft ring and packing container oral area edge curling seal hold, enable to turn on lid and be enclosed on container well and guarantee to seal Property.When unlatching, a hand holds container, and another hand, which pinches container cover and rotate towards thread looseness direction, to be moved up, since anti-theft ring is rolled up It is honored as a queen and is limited in container mouth neck portion and can not move up, so the bridge formation of connection lateral margin and anti-theft ring is twisted off, lid removal.Usually exist It turns on lid lateral margin lower end and molds several notch, constitute and build bridge between notch, forming out in this way, it is also longer to build bridge, and builds bridge With notching edge it is substantially exposed bridge formation will form multiple sharp breaking points after twisting off outside, be easy to make to operate when rotating lid Person is injured, and there are security risks.

On the other hand, it is that lid is inserted in container finish that turn on lid, which be capping procedure, after caping applies certain pressure, is turned Thread forming knife in the middle part of dynamic lid lateral margin and the sealing knife at the anti-theft ring of lower part, go out lid screw thread according to vessel port thread forming, Lid anti-theft ring is molded according to tank mouth anti-theft ring neck structure.In order to guarantee sealing performance of the lid after capping, often Apply comparable pressure in caping in sealed cans, make in this way gasket and vessel port have just can guarantee under certain magnitude of interference it is close Envelope, but appearance the problems such as excessive caping pressure will cause container be collapsed, container anti-theft ring neck deformation.It turns on to cover and be opened It builds bridge afterwards and is broken and original state can not be recovered to, to play anti-theft function, still, in real process have such situation and go out Existing, 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 turn on It covers and turns an angle in unlatching Shi Huixian, at first anti-theft ring up moves a small end after with lid one is turned on, anti-theft ring is Can be blocked by bulge loop, continue to rotate turn on cover its bridge formation just start to be broken；The especially container of metal material, container mouth neck portion It 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 it when anti-theft ring seaming Fit closely, generally turn on lid open Shi Huixian turn an angle, thus exist a security risk, i.e., in certain feelings When turning on lid rotation under condition, the decrement of gasket has been released before bridge formation is not broken also, and leakproofness has been destroyed but turned round at this time The well-tended appearance uncapped is lossless, thus loses the anti-theft function for turning on lid or unconsciously makes product rotten, this Sample may cause serious prestige to influence on production enterprise.Publication date is on August 29th, 2017, Publication No. The Chinese patent document of CN107098056A discloses a kind of leakage-resisting bottle cap, and include bottle cap lateral wall, be additionally provided with: bottleneck connects Groove is closed, for being engaged with bottleneck；Fluid stopping wall on the inside of bottle cap prevents side leakage for compressing bottleneck from interior survey；Bottle cap extends Face is connected with fluid stopping wall on the inside of bottle cap, can draw fluid stopping wall on the inside of bottle cap and be detached from bottleneck；Toggle switch and bottle cap plane of flattening phase Even, the bottle cap plane of flattening can be pulled；Bottle cap compressing surface is connected with toggle switch, for providing restoring force for toggle switch, makes bottle The lid plane of flattening is returned to origin-location；Liquid flowing outlet is located on the downside of the bottle cap plane of flattening, and the opening on bottle cap lateral wall is used Liquid flows out when fluid stopping wall is detached from bottleneck on the inside of bottle cap.The bottle cap use lever construction, realize one-handed performance, automatic leak-proof, Suitable for the bottling liquid container closure frequently used, it is not suitable for having the container of anti-theft function to cover.

Utility model content

The purpose of this utility model is to solve the packing container of prior art operator during uncapping and being easy injury The problem of and a kind of safe opening type packing container is provided, packing container safety in opening process can be greatly improved.

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 provides a kind of safe opening type packaging the problems such as be easy to cause container be collapsed, container anti-theft ring neck deformation and holds Device, can 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 third purpose of the utility model is to solve the packing container of the prior art and being easy to appear anti-theft function missing Or the problem of unconsciously making product go bad, serious prestige is caused to influence on production enterprise, provide a kind of safety Open type packing container has structure simple, the good and easy to open feature of anti-theft sealing.

The concrete scheme that the utility model uses to solve above-mentioned technical problem is a kind of safe opening type packing container, Including vessel and lid is turned on, cylindrical container mouth is formed on the packing container, is formed on the outer wall of vessel port outer Screw thread, it is described to turn on lid including caping and extend downwardly the cylindric tegmental wall constituted, the lower surface of caping by the outer rim of the caping Equipped with gasket, the top of the tegmental wall is circumferentially with the internal pressure liberation port of multiple inside punching presses along tegmental wall, internal pressure liberation port The inside bending of the tegmental wall of lower side constitutes intilted bevel structure, is equipped with the interior spiral shell being adapted to the external screw thread in the middle part of tegmental wall Line, the lower part of tegmental wall are equipped with two annular grooves that are parallel to each other and constitute between the bulge loop of tegmental wall, two bulge loops, and annular is recessed Several U-shaped joint-cuttings are circumferentially with along tegmental wall at the slot bottom of slot, the tegmental wall on the upside of the U-shaped joint-cutting slopes inwardly to form perforation lid The punching press mouth of wall, the tegmental wall between adjacent punching press mouth, which is constituted, builds bridge, and the bridge formation is equipped with cutting, the tegmental wall below punching press mouth Anti-theft ring is constituted, anti-theft ring is connect by the bridge formation with the tegmental wall above punching press mouth.The utility model turn on the portion of covering with Two are equipped between anti-theft ring to be parallel to each other and constitute annular groove between the bulge loop of tegmental wall, two bulge loops, will be used for point It is arranged at the slot bottom of annular groove from the bridge formation between the joint-cutting of anti-theft ring and adjacent joint-cutting, is cut in this way when lid is turned in rotation Seam and bridge formation are in the recess of groove and are not easy the palm contacts with operator, can be broken and (build bridge to avoid anti-theft ring Fracture) after spine injure palm.On the other hand, the utility model slopes inwardly to be formed and pass through using the tegmental wall on the upside of U-shaped joint-cutting The punching press mouth (for replacing the notch of traditional handicraft) of logical tegmental wall builds bridge the spine formed when being broken when turning on lid rotation in this way Can be squeezed by the tegmental wall on the upside of U-shaped joint-cutting and lose to a certain extent its acuteness (or by squeeze make the direction of spine with Rotation direction is consistent), to greatly reduce a possibility that causing damage to operator's palm.In this way, the utility model solves The packing container of prior art operator during uncapping is easy injured problem, substantially increases packing container and was opening Safety in journey.And internal pressure liberation port for when container inner pressure is excessive by container gas or liquid discharge in time, keep away Exempt from that container inner pressure is excessive to be led to turn on lid and directly fly out and cause serious consequence.

Preferably, circumferential direction of the cutting along tegmental wall periphery is arranged, the cutting on the bridge formation is one, the quarter The cross section of slot 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 described The 43% to 57% of tegmental wall thickness, the width of rebate of cutting are 0.75 to 1.25 times of groove depth.Cutting is using cutting way Remove what a part of tegmental wall material was formed, different from by indent structures of formation such as extruding, on the one hand the presence of cutting makes The wall thickness of bridge formation is locally thinning and structural strength reduces, and on the other hand turns on the stress at lid start-up time slot and concentrates, therefore can To greatly reduce the opening force for turning on lid, facilitate the purpose of unlatching.And the lower side of the bottom edge of triangle cutting and punching press mouth is flat Together, the lower side outer that the post-rift punching press mouth of cover frame bridge is turned in rotation in this way is one complete round, i.e., the circle outer does not have There is spine, the post-rift spine that can avoid building bridge to the maximum extent injures palm.

Preferably, in the peripheral part of gasket is integrally extended with abuts for the opening's edge portion inner wall with vessel port downwards Sealing ring and the outer seal ring abutted with opening's edge portion outer wall constitute the sealing that Open Side Down between inner seal ring and outer seal ring Slot.The vessel port auxiliary section covered in the periphery of gasket of turning on of the utility model is equipped with inside and outside two sealing rings, two sealings The seal groove for being inserted in opening's edge portion, in this way after the opening's edge portion of vessel port enters seal groove, outer seal ring are constituted between ring The outer wall that medial surface (i.e. the outside cell wall of seal groove) is close to opening's edge portion forms external seal, and the lateral surface of inner seal ring (seals The inside cell wall of slot) inner wall of being close to opening's edge portion forms interior sealing, and the top margin that the slot bottom of seal groove is close to opening's edge portion is constituted Sealing, in this way, turning on lid has just carried out good sealing to container.

Preferably, vessel is integrally formed by single-layer metal material, the opening's edge portion of vessel port is by four layers of metal material Convolution is constituted, and is arc-shaped at the top of the opening's edge portion, the slot bottom of the seal groove and the top shape in the opening's edge portion are mutually fitted Match.The vessel of the utility model is integrally formed by single-layer metal material, and the opening's edge portion of vessel port is by four layers of metal material material volume Folding is constituted, and the similar ellipse in cross section, opening's edge is arc-shaped at the top of portion, is conducive to be packed into the seal groove for turning on lid, and close The slot bottom of sealing groove is adapted with the top shape in the opening's edge portion, i.e. the slot bottom cross section of seal groove is also arc-shaped, and is conducive to Improve the sealing performance of 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 59% to 71% of groove width, the depth of capaciting material groove are the 39% to 61% of capaciting material groove opening width；Packing container turns on lid capping When vessel port, the medial surface of outer seal ring is close to the outer wall in opening's edge portion, and the lateral surface of inner seal ring is close to the inner wall in opening's edge portion, close The slot bottom of sealing groove is close to the top margin in opening's edge portion, and the cross-sectional area of capaciting material groove reduces and its slot bottom is close to the lower surface of caping.This reality It is provided with a capaciting material groove with the novel gasket top surface above seal groove, capaciting material groove setting is contacted in gasket with lid On one side, when turning on lid covered container mouth, the reaction force generated when caping covers with downward pressure, gasket interference, 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 mitigate significantly The pressure-bearing of container, 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.

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, which is greater than, turns on the axial movement distance that lid opens caping when building bridge fracture.The utility model exists The lateral surface lower part of inner seal ring is convexly equipped with interference ring, and interference ring is a raised annulus knot on the lateral surface of inner seal ring Structure, interference ring can play the role of strengthening sealing when the lateral surface of inner seal ring is close to the inner wall in opening's edge portion, due to interference The distance between ring and seal groove slot bottom are greater than the axial movement distance of caping when turning on the fracture of lid opening anti-theft ring, that is, are turning on Lid rotation open initial stage, when turn on lid move a certain distance but unbroken anti-theft ring in the axial direction when, interference ring is tight always Paste the inner wall in opening's edge portion, it is ensured that the sealing between the unbroken preceding inner seal ring of anti-theft ring and the inner wall in opening's edge portion, it thus can be with The leakproofness for avoiding the occurrence of container has been destroyed and the appearance of packing container is intact, make the anti-theft function of container lack or Person is the problem of unconsciously making product rotten, to cause serious prestige to influence production enterprise.

The leakage angle that the utility model turns on lid is greater than the break corner of anti-theft ring, and leakage angle here, which refers to, turns on lid rotation It is opened into capsule contents and starts the rotation angle for turning on lid when leaking from sealing place, the break corner of anti-theft ring, which refers to, turns on lid rotation Being opened into the rotation angle that lid is turned on when anti-theft ring fracture, i.e., capsule contents will not leak from sealing place before anti-theft ring is broken, It ensures and turns on good leakproofness between lid and container in the state that anti-theft ring is complete.

Preferably, the lateral surface lower end of inner seal ring is equipped with guiding arc-shaped side, the upper edge of the guiding arc-shaped side and mistake Be full of ring lower edge connection.Guiding arc-shaped side plays guiding role when turning on lid and vessel port cooperates.

Preferably, be formed with up-small and down-big cyclic annular tapered wall on the tegmental wall of caping, the tapered wall it is upper Section is close to outer seal ring and constitutes outer seal ring press section, described when turning on lid covered container mouth, and the outer seal ring is to opening's edge The pressure of portion's outer wall is greater than inner seal ring to the pressure of opening's edge portion inner wall, and the apex angle of the tapered wall is 28 to 47 degree.This is practical It is novel turn on to cover be formed with up-small and down-big cyclic annular tapered wall on the tegmental wall close to caping, that is, it is upper small for turning on the upper section of lid Lower big structure, the cross section of the section lid wall is oblique, squeezes outer seal ring by tapered wall and constitutes press section, so that external seal The outer wall and outer seal ring in its medial surface abutting opening's edge portion are greater than the pressure of opening's edge portion outer wall interior after the ring portion of being squeezed squeezes Sealing ring is to the pressure of opening's edge portion inner wall, and sealing this assures outer seal ring to vessel port solves in traditional handicraft By way of caping and unilateral side (inside) sealing ring compress vessel port the problem of poor sealing performance, simultaneously because the utility model Press section be up-small and down-big pyramidal structure, therefore turn on lid open when turn on lid be easy from vessel port deviate from, avoid It is generated when opening due to bilateral by way of caping and bilateral (medial and lateral) sealing ring compress vessel port in traditional handicraft Frictional force is larger to be will lead to and turns on lid and open difficult problem, turns on the unlatching of lid ensuring to facilitate under the premise of sealing.Top Angle is the angle between the tapered wall of caping two sides, and apex angle is too small, and outer seal ring is excessive to the opening's edge portion lateral compression power of vessel port, The opening force for turning on lid being easy to cause is excessive；Apex angle is excessive, then outer seal ring is too small to the opening's edge portion pressure of vessel port, although It opens and is easy, but 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 10% to 25% of seal groove slot bottom width, and the depth of relief groove is seal groove slot bottom width 15% to 30%；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 to turn on lid covered container mouth, mouth Along portion top margin excessive compression gasket and cause gauffer at interference ring, serious damage is caused to the sealing performance of container. Although resistance when turning on lid covered container mouth can also be reduced by reducing resistance to compression cambered surface, on the sealing performance of interference ring influence compared with Greatly, relief groove, which is arranged, can be reduced to a minimum this influence, while avoid gauffer occur 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, not only shadow The sealing on vessel port top is rung, but also the sealing performance of interference ring can be reduced, it is therefore desirable to which control is in a reasonable range It is interior.

The beneficial effects of the utility model are: 1. it efficiently solve the packing container of the prior art during uncapping Operator is easy injured problem, substantially increases packing container safety in opening process.2. also solving the prior art Packing container be easy to cause container be collapsed, container anti-theft ring neck deformation since caping pressure is excessive in capping procedure Problem, make packing container in capping procedure caused by container be collapsed, container anti-theft ring neck deformation the problems such as be greatly reduced. 3. the packing container for solving the prior art is easy to appear anti-theft function missing or product is unconsciously made to go bad, to production The problem of product manufacturing enterprise causes serious prestige to influence.The safe opening type packing container of the utility model has structure simple, The good and easy to open feature of anti-theft sealing has very high practical value.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram that the utility model safe opening type packing container turns on lid；

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

Fig. 3 is a kind of partial structure sectional view that the utility model turns on lid；

Fig. 4 is another partial structure sectional view that the utility model turns on lid；

Fig. 5 is a kind of partial structure sectional view when the utility model turns on lid covered container mouth；

Fig. 6 is another partial structure sectional view when the utility model turns on lid covered container mouth；

Fig. 7 is that the utility model turns on a kind of partial structure sectional view at cover frame bridge；

Fig. 8 is a kind of stress schematic diagram when the utility model turns on lid covered container mouth.

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. vessels, 24. vessel ports.

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 safe opening type packing container, including vessel 23 and turn on It covers, forms cylindrical container mouth 24 on the packing container, external screw thread is formed on the outer wall of vessel port, it is described to turn on lid packet It includes caping 1 and extends downwardly the cylindric tegmental wall 2 constituted by the outer rim of the caping, the lower surface of caping is equipped with gasket 4, tegmental wall Top be circumferentially with the internal pressure liberation ports 16 of multiple inside punching presses along tegmental wall, the tegmental wall of the lower side of internal pressure liberation port is to infolding It is curved to constitute intilted bevel structure, it is equipped with the internal screw thread being adapted to the external screw thread in the middle part of tegmental wall, the lower part of tegmental wall is equipped with Two are parallel to each other and constitute annular groove 19, edge at the slot bottom of annular groove between the bulge loop of tegmental wall 18, two bulge loops Tegmental wall is circumferentially with several U-shaped joint-cuttings 20, and the tegmental wall on the upside of the U-shaped joint-cutting slopes inwardly to form the punching press mouth of perforation tegmental wall 21, the tegmental wall between adjacent punching press mouth, which is constituted, builds bridge 17, and the tegmental wall below punching press mouth constitutes anti-theft ring 3, and anti-theft ring passes through described Bridge formation is connect with the tegmental wall above punching press mouth.The lower surface of caping is equipped with gasket 4, and the peripheral part of the gasket is integrated downwards It is extended with the inner seal ring 6 abutted for 5 inner wall of opening's edge portion 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 is constituted between inner seal ring and outer seal ring.The bridge formation of the present embodiment is equipped with cutting 22(and sees figure 7), circumferential direction of the cutting along tegmental wall periphery is 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, and the depth capacity of the cutting is the 50% of the tegmental wall thickness, The width of rebate of cutting is 1.05 times of groove depth.The vessel of the present embodiment is integrally formed by single-layer metal material, is held The opening's edge portion of device mouth is made of four layers of metal material convolution, is arc-shaped at the top of the opening's edge portion, the slot bottom of the seal groove It is adapted with the top shape in the opening's edge portion.

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 59%, and the depth of capaciting material groove is the 39% of capaciting material groove opening width, under the lateral surface of inner seal ring End is equipped with guiding arc-shaped side 15, and the upper edge of the guiding arc-shaped side is connect with the lower edge of interference ring.The present embodiment inner seal ring is horizontal The height in 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 empty Line left part), the distance between interference ring and seal groove slot bottom are greater than the axial of caping when turning on lid unlatching bridge formation fracture and move Dynamic distance (the leakage angle for turning on lid is greater than the break corner for turning on lid anti-theft ring).(see figure 6) when turning on lid covered container mouth, institute The medial surface for stating outer seal ring is close to the opening's edge portion outer wall of vessel port, and the lateral surface of inner seal ring is close to the inner wall in opening's edge portion, close The slot bottom of sealing groove is close to the top margin in opening's edge portion, and the cross-sectional area of capaciting material groove reduces and its slot bottom is close to the lower surface of caping, remaining It is identical with embodiment 1.

Embodiment 3

In embodiment 3 shown in Fig. 4, up-small and down-big cyclic annular tapered wall 11, institute are formed on the tegmental wall of caping The upper section of the tapered wall stated is close to outer seal ring and constitutes outer seal ring press section 12, described when turning on lid covered container mouth, institute It states outer seal ring and inner seal ring is greater than to the pressure of opening's edge portion inner wall to the pressure of opening's edge portion outer wall, the apex angle of the tapered wall is 35 degree.It is connected between the medial surface and gasket lower surface of inner seal ring by 13 transition of resistance to compression cambered surface, the resistance to compression cambered surface Radius is 1.05 times of inner seal ring cross-sectional height.It is equipped with close to the side of inner seal ring along seal groove on the slot bottom of seal groove The relief groove 14 of extension, the opening width of the relief groove are the 18% of seal groove slot bottom width, and the depth of relief groove is seal groove The 22% of slot bottom width；The center line of the relief groove cross section and the center line of seal groove cross section are parallel to each other, relief groove For inside cell wall inside cell wall and seal groove slot bottom on same cylindrical surface, the groove bottom of relief groove is arc-shaped.The present embodiment The opening width of middle capaciting material groove be seal groove width 71%, the depth of capaciting material groove is the 61% of capaciting material groove opening width, remaining and Embodiment 1 or embodiment 2 are identical.

The utility model is equipped with two and is parallel to each other and around the bulge loop of tegmental wall turning between the portion of covering and anti-theft ring, and two Annular groove is constituted between bulge loop, the bridge formation setting that will be used to separate between the joint-cutting and adjacent joint-cutting of anti-theft ring is recessed in annular At the slot bottom of slot, when lid is turned in rotation, joint-cutting and bridge formation are in the recess of groove and are not easy the palm with operator in this way Contact, the spine after (fracture of building bridge) can be broken to avoid anti-theft ring injure palm.On the other hand, the utility model utilizes U Tegmental wall on the upside of type joint-cutting slopes inwardly to form the punching press mouth (for replacing the notch of traditional handicraft) of perforation tegmental wall, builds bridge in this way The spine formed when fracture can be squeezed by the tegmental wall on the upside of U-shaped joint-cutting when turning on lid rotation and lose its point to a certain extent Sharp property (or keeping the direction of spine consistent with rotation direction by squeezing), causes damage to operator's palm to greatly reduce Possibility.In this way, the utility model solves the problems, such as that turning on for the prior art covers the easy injury of operator during uncapping, It substantially increases to turn on and covers the safety in opening process.In addition, the utility model turns on the appearance covered in the periphery of gasket Device mouth auxiliary section is equipped with inside and outside two sealing rings, is constituted between two sealing rings for being inserted in seal groove of the vessel port along portion, this For sample after vessel port enters seal groove along portion, the outer wall that the medial surface of outer seal ring is close to opening's edge portion forms external seal, interior sealing The inner wall that the lateral surface of ring is close to opening's edge portion forms interior sealing, and the slot bottom of seal groove is close to seal in the top margin composition in opening's edge portion (see Fig. 6, the compression section of gasket when the lap in figure is practical cooperation), just carries out container in this way, turning on lid Sealing well；And gasket top surface of the utility model also above seal groove is provided with a capaciting material groove, which sets It sets and contacts one side with lid in gasket, when turning on lid covered container mouth, there is downward pressure F1, gasket when caping covers The reaction force F2(that interference generates 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 act on container, to significantly reduce the pressure-bearing of container, make to turn on cover in capping procedure caused by container be collapsed, The problems such as container anti-theft ring neck deformation, is greatly reduced.The utility model is convexly equipped in the lateral surface lower part of inner seal ring simultaneously Interference ring, interference ring are a raised zonary structures on the lateral surface of inner seal ring, and interference ring is in the outside of inner seal ring Face is close to play the role of strengthening sealing when the inner wall in opening's edge portion, since the distance between interference ring and seal groove slot bottom are big The axial movement distance of caping is covered that is, at the initial stage for turning on lid rotation unlatching when turning on when turning on the fracture of lid opening anti-theft ring When moving a certain distance but unbroken anti-theft ring in the axial direction, the inner wall that interference ring is close to opening's edge portion always is (aobvious see Fig. 5, Fig. 5 The state shown is the leakage critical state of container), it is ensured that between the unbroken preceding inner seal ring of anti-theft ring and the inner wall in opening's edge portion Sealing, the leakproofness that can thus avoid the occurrence of container destroyed and turn on lid appearance it is intact, make container Anti-theft function lack or unconsciously make product it is rotten, to cause what serious prestige influenced to ask production enterprise Topic.

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 safe opening type packing container, including vessel (23) and lid is turned on, forms circle on the packing container Cylindrical container mouth (24) is formed with external screw thread on the outer wall of vessel port, which is characterized in that it is described turn on lid include caping (1) and The cylindric tegmental wall (2) constituted is extended downwardly by the outer rim of the caping, the lower surface of caping is equipped with gasket (4), the tegmental wall Top the internal pressure liberation ports (16) of multiple inside punching presses is circumferentially with along tegmental wall, the tegmental wall of the lower side of internal pressure liberation port is inside Bending constitutes intilted bevel structure, is equipped with the internal screw thread being adapted to the external screw thread in the middle part of tegmental wall, the lower part of tegmental wall is set There are two to be parallel to each other and constitutes annular groove (19) between the bulge loop of tegmental wall (18), two bulge loops, the slot of annular groove Bottom is circumferentially with several U-shaped joint-cuttings (20) along tegmental wall, and the tegmental wall on the upside of the U-shaped joint-cutting slopes inwardly to form perforation tegmental wall Punching press mouth (21), the tegmental wall between adjacent punching press mouth, which is constituted, builds bridge (17), and the bridge formation is equipped with cutting (22), punching press mouth The tegmental wall of lower section constitutes anti-theft ring (3), and anti-theft ring is connect by the bridge formation with the tegmental wall above punching press mouth.

2. safe opening type packing container according to claim 1, which is characterized in that the cutting is along tegmental wall periphery Circumferential to be arranged, the cutting on the bridge formation is one, and the cross section of the cutting is triangle, the bottom edge of triangle and punching press mouth Lower side it is concordant, the depth capacity of the cutting is the 43% to 57% of the tegmental wall thickness, and the width of rebate of cutting is cutting 0.75 to 1.25 times of depth.

3. safe opening type packing container according to claim 1, which is characterized in that the peripheral part of the gasket is downward It is integrally extended with the inner seal ring (6) abutted for opening's edge portion (5) inner wall with vessel port and is abutted with opening's edge portion outer wall outer Sealing ring (7) constitutes the seal groove (8) that Open Side Down between inner seal ring and outer seal ring.

4. safe opening type packing container according to claim 3, which is characterized in that vessel is by single-layer metal material It is integrally formed, the opening's edge portion of vessel port is made of four layers of metal material convolution, is arc-shaped at the top of the opening's edge portion, described close The slot bottom of sealing groove is adapted with the top shape in the opening's edge portion.

5. safe opening type packing container according to claim 3, which is characterized in that sealing corresponding with above and below seal groove It pads top surface and is equipped with capaciting material groove (9), the groove bottom of the capaciting material groove is arc-shaped, center line and the seal groove cross of capaciting material groove cross section The center line in section is overlapped, and the opening width of capaciting material groove is seal groove width 59% to 71%, and the depth of capaciting material groove is capaciting material groove The 39% to 61% of opening width；The medial surface of when turning on lid covered container mouth of packing container, outer seal ring is close to opening's edge portion Outer wall, the lateral surface of inner seal ring are close to the inner wall in opening's edge portion, and the slot bottom of seal groove is close to the top margin in opening's edge portion, the cross of capaciting material groove Sectional area reduces and its slot bottom is close to the lower surface of caping.

6. safe opening type packing container according to claim 3, which is characterized in that the height of inner seal ring cross section is big Height in outer seal ring cross section, the lateral surface lower part of inner seal ring are convexly equipped with interference ring (10), interference ring and seal groove slot The distance between bottom, which is greater than, turns on the axial movement distance that lid opens caping when building bridge fracture.

7. safe opening type packing container according to claim 3, which is characterized in that the lateral surface lower end of inner seal ring is set Have guiding arc-shaped side (15), the upper edge of the guiding arc-shaped side is connect with the lower edge of interference ring.

8. safe opening type packing container according to claim 1, which is characterized in that be formed on the tegmental wall of caping Up-small and down-big cyclic annular tapered wall (11), the upper section of the tapered wall are close to outer seal ring and constitute outer seal ring press section (12), described when turning on lid covered container mouth, the outer seal ring is greater than inner seal ring counterpart to the pressure of opening's edge portion outer wall Along the pressure of portion's inner wall, the apex angle of the tapered wall is 28 to 47 degree.

9. safe opening type packing container according to claim 8, which is characterized in that the medial surface of inner seal ring and sealing It pads and is connected between lower surface by (13) transition of resistance to compression cambered surface, the radius of the resistance to compression cambered surface is inner seal ring cross-sectional height 0.7 to 1.3 times.

10. safe opening type packing container according to claim 9, which is characterized in that 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 10% to 25%, the depth of relief groove is the 15% to 30% of seal groove slot bottom width；The center line of the relief groove cross section with The center line of seal groove cross section is parallel to each other, and the inside cell wall of relief groove and the inside cell wall at seal groove slot bottom are in same circle On cylinder, the groove bottom of relief groove is arc-shaped.