CN110271762A - It is safety-type to turn on lid - Google Patents
It is safety-type to turn on lid Download PDFInfo
- Publication number
- CN110271762A CN110271762A CN201810215917.1A CN201810215917A CN110271762A CN 110271762 A CN110271762 A CN 110271762A CN 201810215917 A CN201810215917 A CN 201810215917A CN 110271762 A CN110271762 A CN 110271762A
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- China
- Prior art keywords
- groove
- wall
- lid
- tegmental wall
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
- B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
- B65D41/34—Threaded or like caps or cap-like covers provided with tamper elements formed in, or attached to, the closure skirt
Abstract
Safety-type lid is turned on the invention discloses a kind of, extend downwardly including caping and by the outer rim of the caping the cylindric tegmental wall constituted, 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, and anti-theft ring is connect by the bridge formation with the tegmental wall above punching press mouth.The problem covered operator during uncapping and be easy injury is turned on present invention efficiently solves the prior art, substantially increases to turn on and covers the safety in opening process, there is very high practical value.
Description
Technical field
The present invention relates to packing container technical fields, and in particular to one kind is safety-type to turn on lid.
Background technique
The lid of turning on being mounted on the container finish such as tank has had a structure that caping and caping lateral margin and has been bonded in lid
The synthetic resin gasket for pushing up inside, 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 simultaneously
Apply certain pressure in caping, contacts gasket with vessel port and have certain decrement, pass through lid lateral margin and packing container
Screw thread, anti-theft ring on mouth and packing container oral area edge curling seal are held, and are enable to turn on lid and are enclosed on container and guarantee well
Leakproofness.When unlatching, a hand holds container, and another hand, which pinches container cover and rotate towards thread looseness direction, to be moved up, due to antitheft
Being limited in container mouth neck portion after ring seaming can not move up, so the bridge formation of connection lateral margin and anti-theft ring is twisted off, lid removal.It is logical
Several notch often are molded turning on lid lateral margin lower end, are constituted and are built bridge between notch, forming out in this way, it is also longer to build bridge, and
Build bridge with notching edge it is substantially exposed bridge formation will form multiple sharp breaking points after twisting off outside, be easy to make when rotating lid
Operator 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.
Summary of the invention
The purpose of the present invention is to solve the problems, such as that turning on for the prior art covers during uncapping operator and be easy injury
And provide it is a kind of it is safety-type turn on lid, can greatly improve to turn on and cover the safety in opening process.
It is another object of the present invention to cover in capping procedure to solve turning on for the prior art since caping pressure is excessive
And the problems such as be easy to causeing container be collapsed, container anti-theft ring neck deformation and provide it is a kind of it is safety-type turn on lid, can make to turn on
The problems such as container be collapsed caused by covering in capping procedure, container anti-theft ring neck deformation, is greatly reduced.
Third object of the present invention be for solve the prior art turn on lid be easy to appear anti-theft function missing or
Unconsciously make that product is rotten, the problem of causing serious prestige to influence on production enterprise, a kind of safety-type turn on is provided
Lid has structure simple, the good and easy to open feature of anti-theft sealing.
The concrete scheme that the present invention uses to solve above-mentioned technical problem, which is that one kind is safety-type, turns on lid, is used for vessel port
The sealing in portion, it is described to turn on lid including caping and extend downwardly the cylindric tegmental wall constituted, the caping by the outer rim of the caping
Lower surface be equipped with gasket, the lower part of tegmental wall is equipped with two and is parallel to each other and the structure between the bulge loop of tegmental wall, two bulge loops
Cyclic connected in star is circumferentially with several U-shaped joint-cuttings along tegmental wall at the slot bottom of annular groove, the tegmental wall on the upside of the U-shaped joint-cutting
Slope inwardly and form the punching press mouth of perforation tegmental wall, the tegmental wall between adjacent punching press mouth, which is constituted, builds bridge, the tegmental wall structure below punching press mouth
At anti-theft ring, anti-theft ring is connect by the bridge formation with the tegmental wall above punching press mouth.The present invention is turning on the portion of covering and anti-theft ring
Between be equipped with two be parallel to each other and constitute annular groove between the bulge loop of tegmental wall, two bulge loops, will be used to separate antitheft
Bridge formation between the joint-cutting of ring and adjacent joint-cutting is arranged at the slot bottom of annular groove, in this way joint-cutting and frame when lid is turned in rotation
Bridge is in the recess of groove and is not easy the palm contacts with operator, after (fracture of building bridge) can be broken to avoid anti-theft ring
Spine injure palm.On the other hand, the present invention slopes inwardly to form the punching press of perforation tegmental wall using the tegmental wall on the upside of U-shaped joint-cutting
Mouth (for replacing the notch of traditional handicraft), building bridge the spine formed when being broken in this way can be by U-shaped joint-cutting when turning on lid and rotating
The tegmental wall of upside squeezes and losing its acuteness to a certain extent (or makes direction and the rotation direction one of spine by squeezing
Cause), to greatly reduce a possibility that causing damage to operator's palm.In this way, the present invention solves turning on for the prior art
It covers operator during uncapping and is easy injured problem, substantially increase to turn on and cover the safety in opening process.
It is equipped with cutting preferably, building bridge, circumferential direction of the cutting along tegmental wall periphery is arranged, the quarter on the bridge formation
Slot is one, and the cross section of the cutting is triangle, and the bottom edge of triangle is concordant with the lower side of punching press mouth, the cutting
Depth capacity is the 40% to 60% of the tegmental wall thickness, and the width of rebate of cutting is 0.8 to 1.2 times of groove depth.Cutting is
Remove what a part of tegmental wall material was formed using cutting way, different from by indent structures of formation such as extruding, cutting is deposited
Make the wall thickness built bridge locally thinning on the one hand and structural strength reduces, on the other hand turns on the stress at lid start-up time slot
It concentrates, therefore the opening force for turning on lid can be greatly reduced, facilitate the purpose of unlatching.And the bottom edge of triangle cutting and punching press mouth
Lower side it is concordant, it is one complete round that the lower side outer of the post-rift punching press mouth of cover frame bridge is turned in rotation in this way, i.e., should
Round outer does not have spine, and the post-rift spine that can avoid building bridge to the maximum extent injures palm.
Preferably, the peripheral part of gasket be integrally extended with downwards inner seal ring for being abutted with vessel port inner wall and
The outer seal ring abutted with vessel port outer wall constitutes the seal groove that Open Side Down between inner seal ring and outer seal ring.The present invention
Turn on and cover vessel port auxiliary section in the periphery of gasket and be equipped with inside and outside two sealing rings, constitute and be used between two sealing rings
It is inserted in the seal groove of container finish, in this way after container finish enters seal groove, (i.e. seal groove is outer for the medial surface of outer seal ring
Side channel wall) it is close to the outer wall formation external seal of vessel port, the lateral surface (i.e. the inside cell wall of seal groove) of inner seal ring is close to hold
The inner wall of device mouth forms interior sealing, and the slot bottom of seal groove is close on the oral area of container seal on constituting, in this way, turning on lid just
Good sealing has been carried out to 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 56% to 74% of groove width, the depth of capaciting material groove are the 36% to 64% of capaciting material groove opening width；It is safety-type to turn on lid covered container
When 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, seal groove
Slot bottom be 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 present invention
Gasket top surface above seal groove is provided with a capaciting material groove, and capaciting material groove setting contacts one side with lid in gasket,
When turning on 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 to turn on cover 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, which is greater than, turns on the axial movement distance that lid opens caping when building bridge fracture.It is close including the present invention
The lateral surface lower part of seal ring is convexly equipped with interference ring, and interference ring is a raised zonary structure on the lateral surface of inner seal ring,
Interference ring inner seal ring lateral surface be close to vessel port inner wall when can play the role of strengthen sealing, due to interference ring with
The distance between seal groove slot bottom is greater than the axial movement distance of caping when turning on the fracture of lid opening anti-theft ring, that is, is turning on lid turn
At the dynamic initial stage opened, when turning on lid and moving a certain distance but unbroken anti-theft ring in the axial direction, interference ring is close to hold always
The inner wall of device mouth, 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
The leakproofness for container occur destroyed and turn on lid appearance it is intact, lack the anti-theft function of container or not
The problem of keeping product rotten, to cause serious prestige to influence production enterprise, is known in unconsciously.
The leakage angle that the present invention turns on lid is greater than the break corner of anti-theft ring, and leakage angle here refers to that turning on lid rotation opens
The rotation angle of lid is turned on when starting and leak from sealing place to capsule contents, the break corner of anti-theft ring refers to that turning on lid rotation opens
To the rotation angle for turning on lid when anti-theft ring fracture, i.e., capsule contents will not leak from sealing place before anti-theft ring is broken, it is ensured that
Turn on good leakproofness between lid and container in the state that anti-theft ring is complete.
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 container
The pressure of mouth outer wall is greater than inner seal ring to the pressure of vessel port inner wall, and the apex angle of the tapered wall is 25 to 50 degree.The present invention
It is formed with up-small and down-big cyclic annular tapered wall on the tegmental wall close to caping, that is, the upper section for turning on lid is up-small and down-big structure, should
The cross section of section lid wall is oblique, squeezes outer seal ring by tapered wall and constitutes press section, so that outer seal ring is squeezed
Its medial surface is close to the outer wall of vessel port after portion squeezes and outer seal ring is greater than inner seal ring to appearance to the pressure of vessel port outer wall
The pressure of device mouth inner wall, the sealing this assures outer seal ring to vessel port, solve in traditional handicraft through caping and
The problem of unilateral (inside) sealing ring compresses the form poor sealing performance of vessel port, simultaneously because press section of the invention is upper small
Big pyramidal structure down, therefore turn on and turn on the lid easy abjection from vessel port when lid is opened, it avoids in traditional handicraft and passes through
The form that caping and bilateral (medial and lateral) sealing ring compress vessel port can be led when opening since the frictional force of bilateral generation is bigger
It causes to turn on lid and opens difficult problem, turn on the unlatching of lid ensuring to facilitate under the premise of sealing.Apex angle is caping two sides cone
Angle between shape wall, apex angle is too small, and outer seal ring is excessive to the lateral compression power of vessel port, and what is be easy to cause turns on opening for lid
Qi Li is excessive；Apex angle is excessive, then outer seal ring is too small to the pressure of vessel port, 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 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 avoids the presence due to interference ring and resistance to compression cambered surface from causing safety-type resistance mistake when turning on lid covered container mouth
Greatly, cause gauffer at interference ring along excessive compression gasket on the oral area of container, the sealing performance of container is caused seriously
Damage.Although safety-type resistance when turning on lid covered container mouth can also be reduced by reducing resistance to compression cambered surface, to interference ring
Sealing performance is affected, and relief groove, which is arranged, can be reduced to a minimum this influence, while be avoided at interference ring again
There is gauffer, is ideal technical solution；On the other hand, the cross section size of relief groove has larger impact to sealing performance, subtracts
Indent is excessive, not only influences the sealing on container finish top, but also can reduce the sealing performance of interference ring, it is therefore desirable to control
In a reasonable range.
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, the top of tegmental wall is circumferentially with the internal pressure liberation port of multiple inside punching presses, internal pressure liberation port along tegmental wall
The inside bending of tegmental wall of lower side constitute intilted bevel structure.Internal pressure liberation port is used for when container inner pressure is excessive
By in container gas or liquid discharge in time, avoid container inner pressure it is excessive cause to turn on lid directly fly out and after causing seriously
Fruit.
The beneficial effects of the present invention are: 1. it efficiently solve turning on for the prior art and cover operator during uncapping
It is easy injured problem, substantially increases to turn on and covers the safety in opening process.2. also solve the prior art turns on lid
The problem of be easy to causeing container be collapsed, container anti-theft ring neck deformation since caping pressure is excessive in capping procedure, makes to turn round
The problems such as container be collapsed caused by uncapping in capping procedure, container anti-theft ring neck deformation, is greatly reduced.3. solving existing
There is the lid of turning on of technology to be easy to appear anti-theft function missing or product is unconsciously made to go bad, make to production enterprise
The problem of being influenced at serious prestige.Safety-type lid of turning on of the invention has structure simple, and anti-theft sealing is good and easy to open
The characteristics of, there is very high practical value.
Detailed description of the invention
Fig. 1 is a kind of safety-type structural schematic diagram for turning on lid of the present invention；
Fig. 2 is a kind of safety-type partial structure sectional view for turning on lid of the present invention；
Fig. 3 is the safety-type another partial structure sectional view for turning on lid of the present invention；
A kind of partial structure sectional view that Fig. 4 is that the present invention is safety-type when turning on lid covered container mouth；
Another partial structure sectional view that Fig. 5 is that the present invention is safety-type when turning on lid covered container mouth；
Fig. 6 is a kind of safety-type partial structure sectional view turned at cover frame bridge of the present invention；
Fig. 7 is a kind of safety-type stress schematic diagram turned on when lid covers of the present invention.
In figure: 1. caping, 2. tegmental walls, 3. anti-theft rings, 4. gaskets, 5. vessel ports, 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.
Specific embodiment
Embodiments of the present invention are further detailed below by way of examples and with reference to the accompanying drawings.
Embodiment 1
In embodiment 1 shown in Fig. 1, one kind is safety-type to turn on lid, and for the sealing of container finish, the lid of turning on includes lid
Top 1 and extend downwardly the cylindric tegmental wall 2 constituted by the outer rim of the caping, the lower surface of caping is equipped with gasket 4, under tegmental wall
Portion is equipped with two and is parallel to each other and constitutes annular groove 19, the slot of annular groove between the bulge loop of tegmental wall 18, two bulge loops
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 tegmental wall below punching press mouth constitutes anti-theft ring 3, and anti-theft ring is logical
The bridge formation is crossed to connect with the tegmental wall above punching press mouth.The peripheral part of the gasket, which is integrally extended with downwards, to be used for and vessel port
The inner seal ring 6 that inner wall abuts and the outer seal ring 7 abutted with vessel port outer wall, constitute between inner seal ring and outer seal ring and open
The downward seal groove 8 of mouth.The bridge formation of the present embodiment is equipped with cutting 22(and sees Fig. 6), circumferential direction of the cutting along tegmental wall periphery
Setting, the cutting on the bridge formation are one, and the cross section of the cutting is triangle, under the bottom edge of triangle and punching press mouth
Side is concordant, and the depth capacity of the cutting is the 50% of the tegmental wall thickness, and the width of rebate of cutting is the 1.05 of groove depth
Times.The top of tegmental wall is circumferentially with the internal pressure liberation port 16 of multiple inside punching presses, the lid of the lower side of internal pressure liberation port along tegmental wall
The inside bending of wall constitutes intilted bevel structure.
Embodiment 2
In embodiment 2 shown in Fig. 2, it is equipped with capaciting material groove 9 with gasket corresponding above and below seal groove top surface, the capaciting material groove
Groove bottom 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 the opening of capaciting material groove is wide
Degree is seal groove width 56%, and the depth of capaciting material groove is the 36% of capaciting material groove opening width, and the lateral surface lower end of inner seal ring is set
There is guiding arc-shaped side 15, the upper edge of the guiding arc-shaped side is connect with the lower edge of interference ring.The present embodiment inner seal ring cross section
Height be greater than the height of outer seal ring cross section, it is left that the lateral surface lower part of inner seal ring is convexly equipped in interference ring 10(figure dotted line
Side section), the distance between interference ring and seal groove slot bottom be greater than turn on lid open build bridge fracture when caping axial movement away from
From (turning on the leakage angle of lid greater than the break corner for turning on lid anti-theft ring).It is safety-type when turning on lid covered container mouth 5 (see figure
5), the medial surface of the 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, sealing
The slot bottom of slot is close to edge on the oral area of container, 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. 3, it is formed with up-small and down-big cyclic annular tapered wall 11 on the tegmental wall of caping, it is described
The upper section of tapered wall is close to outer seal ring and constitutes outer seal ring press section 12, described when turning on lid covered container mouth, described outer
Sealing ring is greater than inner seal ring to the pressure of vessel port inner wall to the pressure of vessel port outer wall, and the apex angle of the tapered wall is 37
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 half of the resistance to compression cambered surface
Diameter is 0.95 times of inner seal ring cross-sectional height.It is equipped on the slot bottom of seal groove close to the side of inner seal ring and prolongs along seal groove
The relief groove 14 stretched, 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 slot
The 22% of bottom width degree；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 it is interior
For inside cell wall at side channel wall and seal groove slot bottom on same cylindrical surface, the groove bottom of relief groove is arc-shaped.In the present embodiment
The opening width of capaciting material groove is seal groove width 74%, and the depth of capaciting material groove is the 64% of capaciting material groove opening width, remaining and it is real
It applies example 1 or embodiment 2 is identical.
The present invention is equipped with two between the portion of covering and anti-theft ring and is parallel to each other and around the bulge loop of tegmental wall turning on, and two convex
Annular groove is constituted between ring, and annular groove is arranged in the bridge formation between the joint-cutting for being used to separate anti-theft ring and adjacent joint-cutting
At slot bottom, when lid is turned in rotation, joint-cutting and bridge formation are in the recess of groove and are not easy to connect with the palm of operator in this way
Touching, the spine after (fracture of building bridge) can be broken to avoid anti-theft ring injure palm.On the other hand, the present invention utilizes U-shaped joint-cutting
The tegmental wall of upside slopes inwardly to form the punching press mouth (for replacing the notch of traditional handicraft) of perforation tegmental wall, when bridge formation is broken in this way
The spine of formation can be squeezed by the tegmental wall on the upside of U-shaped joint-cutting when turning on lid rotation and lose its acuteness to a certain extent
(or keeping the direction of spine consistent with rotation direction by squeezing), to greatly reduce the possibility for causing damage to operator's palm
Property.In this way, the present invention solves the problems, such as that turning on for the prior art covers the easy injury of operator during uncapping, greatly improve
It turns on and covers the safety in opening process.In addition, the safety-type vessel port covered in the periphery of gasket of turning on of the invention is matched
Conjunction portion is equipped with inside and outside two sealing rings, and the seal groove for being inserted in container finish is constituted between two sealing rings, works as container in this way
After oral area enters seal groove, the outer wall that the medial surface of outer seal ring is close to vessel port forms external seal, the lateral surface of inner seal ring
The inner wall for being close to vessel port forms interior sealing, and the slot bottom of seal groove be close on the oral area of container along constituting sealing (see Fig. 5,
The compression section of gasket when lap in figure is practical cooperation), in this way, turn on lid just container has been carried out it is good close
Envelope；And gasket top surface of the present invention also above seal groove be provided with a capaciting material groove, the capaciting material groove setting gasket with
Lid contact one side has downward pressure F1 when turning on lid covered container mouth when caping covers, gasket interference generates anti-
Directed force F 2(is shown in Fig. 7), and the reaction force a part can be deformed by capaciting material groove and be absorbed, therefore will not all act on appearance
On device, to significantly reduce the pressure-bearing of container, make to turn on cover in capping procedure caused by container be collapsed, container anti-theft ring neck
The problems such as portion deforms is greatly reduced.The present invention is convexly equipped with interference ring in the lateral surface lower part of inner seal ring simultaneously, and interference ring is
One raised zonary structure on the lateral surface of inner seal ring, interference ring are close in vessel port in the lateral surface of inner seal ring
It can play the role of strengthening sealing when wall, turn on lid opening anti-theft since the distance between interference ring and seal groove slot bottom are greater than
The axial movement distance of caping when ring is broken is turning on the initial stage covering rotation and opening, mobile in the axial direction centainly when turning on lid
Distance but when unbroken anti-theft ring, the inner wall that interference ring is close to vessel port always (is container see the state that Fig. 4, Fig. 4 are shown
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 can thus be kept away
The leakproofness for exempting from container occur destroyed and turn on lid appearance it is intact, make the anti-theft function of container lack or
The problem of unconsciously making product rotten, to cause serious prestige to influence production enterprise.
In addition to the implementation, within the scope of the claims of the present invention and the specification, skill of the invention
Art feature or technical data can be reselected and be combined, to constitute new embodiment, these are all art technologies
Personnel are without carrying out what creative work can be realized, therefore the embodiment that these present invention are not described in also should be regarded as this
The specific embodiment of invention and within protection scope of the present invention.
Claims (10)
1. it is a kind of it is safety-type turn on lid, the sealing for container finish, which is characterized in that it is described turn on lid including caping (1) and
The cylindric tegmental wall (2) constituted is extended downwardly by the outer rim of the caping, the lower surface of the caping is equipped with gasket (4), tegmental wall
Lower part be equipped with two be parallel to each other and between the bulge loop of tegmental wall (18), two bulge loops constitute annular groove (19), annular
Several U-shaped joint-cuttings (20) are circumferentially with along tegmental wall at the slot bottom of groove, the tegmental wall on the upside of the U-shaped joint-cutting slopes inwardly to be formed
The punching press mouth (21) of tegmental wall is penetrated through, the tegmental wall between adjacent punching press mouth, which is constituted, builds bridge (17), and the tegmental wall below punching press mouth constitutes anti-
It steals ring (3), anti-theft ring is connect by the bridge formation with the tegmental wall above punching press mouth.
2. safety-type lid is turned on according to claim 1, which is characterized in that the bridge formation is equipped with cutting (22), institute
Circumferential direction of the cutting stated along tegmental wall periphery is arranged, and the cutting on the bridge formation is one, and the cross section of the cutting is triangle,
The bottom edge of triangle is concordant with the lower side of punching press mouth, and the depth capacity of the cutting is the 40% to 60% of the tegmental wall thickness,
The width of rebate of cutting is 0.8 to 1.2 times of groove depth.
3. safety-type lid is turned on according to claim 1, which is characterized in that the peripheral part of the gasket integrally prolongs downwards
The outer seal ring (7) for having inner seal ring (6) for abutting with vessel port (5) inner wall and abutting with vessel port outer wall is stretched, it is interior close
The seal groove (8) that Open Side Down is constituted between seal ring and outer seal ring.
4. safety-type lid is turned on according to claim 3, which is characterized in that gasket corresponding with above and below seal groove top surface
Equipped with capaciting material groove (9), the groove bottom of the capaciting material groove is arc-shaped, center line and the seal groove cross section of capaciting material groove cross section
Center line is overlapped, and the opening width of capaciting material groove is seal groove width 56% to 74%, and the depth of capaciting material groove is that capaciting material groove opening is wide
The 36% to 64% of degree；Safety-type when turning on lid covered container mouth, the medial surface of outer seal ring is close to the outer wall of vessel port, interior sealing
The lateral surface of ring is 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, and the cross-sectional area of capaciting material groove subtracts
Small and its slot bottom is close to the lower surface of caping.
5. safety-type lid is turned on according to claim 3, which is characterized in that the height of inner seal ring cross section is greater than outer close
The height of seal ring cross section, the lateral surface lower part of inner seal ring is convexly equipped with interference ring (10), between interference ring and seal groove slot bottom
Distance be greater than turn on lid open build bridge fracture when caping axial movement distance.
Safety-type turn on lid 6. according to claim 1, which is characterized in that be formed on the tegmental wall of caping it is small under
Big cyclic annular tapered wall (11), the upper section of the tapered wall is close to outer seal ring and constitutes outer seal ring press section (12), described
When turning on lid covered container mouth, the outer seal ring is greater than inner seal ring to vessel port inner wall to the pressure of vessel port outer wall
Pressure, the apex angle of the tapered wall are 25 to 50 degree.
7. safety-type lid is turned on according to claim 6, which is characterized in that the medial surface and gasket following table of inner seal ring
Between face by (13) transition of resistance to compression cambered surface connect, the radius of the resistance to compression cambered surface be inner seal ring cross-sectional height 0.7 to
1.3 again.
8. safety-type lid is turned on according to claim 7, which is characterized in that close to inner seal ring on the slot bottom of seal groove
Side is equipped with the relief groove (14) that extends along seal groove, the opening width of the relief groove be 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 and seal groove of the relief groove cross section are horizontal
The center line in section is parallel to each other, the inside cell wall at the inside cell wall of relief groove and seal groove slot bottom on same cylindrical surface,
The groove bottom of relief groove is arc-shaped.
9. safety-type lid is turned on according to claim 3, which is characterized in that the lateral surface lower end of inner seal ring is equipped with guiding
The upper edge of arc-shaped side (15), the guiding arc-shaped side is connect with the lower edge of interference ring.
10. safety-type lid is turned on according to claim 1, which is characterized in that the top of tegmental wall is circumferentially with more along tegmental wall
The internal pressure liberation port (16) of a inside punching press, the inside bending of the tegmental wall of the lower side of internal pressure liberation port constitute intilted inclined-plane
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810215917.1A CN110271762B (en) | 2018-03-15 | 2018-03-15 | Safety twist cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810215917.1A CN110271762B (en) | 2018-03-15 | 2018-03-15 | Safety twist cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110271762A true CN110271762A (en) | 2019-09-24 |
| CN110271762B CN110271762B (en) | 2021-07-16 |
Family
ID=67957652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810215917.1A Active CN110271762B (en) | 2018-03-15 | 2018-03-15 | Safety twist cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110271762B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0298207A1 (en) * | 1987-07-08 | 1989-01-11 | Alcoa Deutschland GmbH Verpackungswerke | Threaded bottle cap with a finger-protecting skirt |
| JPH0789562A (en) * | 1991-04-18 | 1995-04-04 | Japan Crown Cork Co Ltd | Metallic container lid and device for forming weakening line therefor |
| JP2000272652A (en) * | 1999-03-19 | 2000-10-03 | Nihon Yamamura Glass Co Ltd | Packing for pilfer-proof cap |
| JP2003072814A (en) * | 2001-08-31 | 2003-03-12 | Daiwa Can Co Ltd | Metallic pilfer-proof cap |
| JP2003231537A (en) * | 2002-02-07 | 2003-08-19 | Mikasa Sangyo Kk | Snapping cap |
| JP2006036255A (en) * | 2004-07-26 | 2006-02-09 | Alcoa Closure Systems Japan Ltd | Metal container, closure device and drink enclosed in container |
| CN1911747A (en) * | 2005-08-09 | 2007-02-14 | 日本皇冠塞株式会社 | Metallic container closure having internal pressure release function |
| CN206939392U (en) * | 2017-06-26 | 2018-01-30 | 义乌市易开盖实业公司 | A kind of turn-break type with cutting outwards winding lid |
-
2018
- 2018-03-15 CN CN201810215917.1A patent/CN110271762B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0298207A1 (en) * | 1987-07-08 | 1989-01-11 | Alcoa Deutschland GmbH Verpackungswerke | Threaded bottle cap with a finger-protecting skirt |
| JPH0789562A (en) * | 1991-04-18 | 1995-04-04 | Japan Crown Cork Co Ltd | Metallic container lid and device for forming weakening line therefor |
| JP2000272652A (en) * | 1999-03-19 | 2000-10-03 | Nihon Yamamura Glass Co Ltd | Packing for pilfer-proof cap |
| JP2003072814A (en) * | 2001-08-31 | 2003-03-12 | Daiwa Can Co Ltd | Metallic pilfer-proof cap |
| JP2003231537A (en) * | 2002-02-07 | 2003-08-19 | Mikasa Sangyo Kk | Snapping cap |
| JP2006036255A (en) * | 2004-07-26 | 2006-02-09 | Alcoa Closure Systems Japan Ltd | Metal container, closure device and drink enclosed in container |
| CN1911747A (en) * | 2005-08-09 | 2007-02-14 | 日本皇冠塞株式会社 | Metallic container closure having internal pressure release function |
| CN206939392U (en) * | 2017-06-26 | 2018-01-30 | 义乌市易开盖实业公司 | A kind of turn-break type with cutting outwards winding lid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110271762B (en) | 2021-07-16 |
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