CN103732525A - Bottle cap - Google Patents
Bottle cap Download PDFInfo
- Publication number
- CN103732525A CN103732525A CN201280039798.XA CN201280039798A CN103732525A CN 103732525 A CN103732525 A CN 103732525A CN 201280039798 A CN201280039798 A CN 201280039798A CN 103732525 A CN103732525 A CN 103732525A
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- China
- Prior art keywords
- cylindrical portion
- bottle cap
- outside
- inner part
- oral area
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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
- B65D51/00—Closures not otherwise provided for
- B65D51/18—Arrangements of closures with protective outer cap-like covers or of two or more co-operating closures
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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
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
- B65D47/12—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures
- B65D47/121—Stoppers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Devices For Dispensing Beverages (AREA)
Abstract
Provided is a bottle cap having improved attachability to a liquid container and water-tightness in a water server. The bottle cap (1) attached to a cylindrical spout (2) of a liquid container for a water server comprises an outer member (3) in which is formed an outer cylindrical part (30) that contacts the outer periphery of the cylindrical spout (2); and an inner member (4) protruding into the cylindrical spout (2), and in which is formed an inner cylindrical part (40) through which a water supply shaft (5) of the water server is inserted; the outer member (3) and the inner member (4) being formed separately and assembled together.
Description
Technical field
The present invention relates to the technology of bottle cap, more specifically, relate to and be assemblied in the bottle cap of the tubular oral area of liquid container for water dispenser (water server).
Background technology
In recent years, propose to have following water dispenser: the liquid container and this water dispenser that are filled with the liquid such as drinking water are linked, and take out the drinking water in feed fluid container from inlet.Conventionally, the liquid container linking with this water dispenser is to be equipped with the state of bottle cap at tubular oral area and to be used.When by liquid container and water dispenser link, the water supply beam warp of water dispenser is inserted into by bottle cap in liquid container, thus the drinking water in liquid container is supplied with and can not caused drinking water to leak into outside water dispenser towards inlet via water supply axle.
Disclosed in patent documentation 1 or patent documentation 2, existing bottle cap is configured to and comprises following position etc.: outside cylindrical portion, the outer circumferential side butt of the tubular oral area of this outside cylindrical portion and liquid container; Inner side cylindrical portion, the water supply axle of water dispenser passes from this inner side cylindrical portion; And cap, this cap is connected with outside cylindrical portion and by the open end shutoff of tubular oral area.At bottle cap, be assemblied under the state of tubular oral area of liquid container, outside cylindrical portion is carried out elastic deformation and is coincide with the shape with tubular oral area, thereby outside cylindrical portion is fixed in the outer circumferential side of tubular oral area in the mode of butt, utilize cap by the open end sealing of tubular oral area, and inner side cylindrical portion is given prominence in tubular oral area.And when liquid container and water dispenser are linked, water supply beam warp is inserted in liquid container by inner side cylindrical portion.
Patent documentation 1: TOHKEMY 2011-63310 communique
Patent documentation 2: TOHKEMY 2010-89842 communique
But, there are the following problems for the structure of existing bottle cap: due to outside cylindrical portion and inner side cylindrical portion one-body molded, therefore, for example, in the situation that adopt the material of soft to form outside cylindrical portion and inner side cylindrical portion with respect to the assembling of liquid container in order to improve, because the resin hardness of inner side cylindrical portion is not enough, cause the water tightness variation between the water supply axle of itself and water dispenser, on the other hand, in the situation that in order to improve with respect to the water tightness of water dispenser and adopt the material of high hardness, operability while causing it to be assemblied in liquid container because of the resin much higher hard of outside cylindrical portion, forming characteristics variation.Especially also there are the following problems: because the stress carrying under the state towards liquid container assembling makes outside cylindrical portion and cap passing in time, change, cause thus outside cylindrical portion and cap to reduce with respect to the water tightness of tubular oral area, between bottle cap and tubular oral area, produce interval and cause leaking.
In addition, known following structure also in existing bottle cap: the disengaged position place of side cylindrical portion and inner side cylindrical portion arranges by foaming material shaped sealing (packing) parts outside, and make the open end of tubular oral area of liquid container and sealing element crimping and Leakage prevention, but, the static that reason expanded material produces can make airborne dust etc. be attached to sealing element, thereby cause dust etc. to be blended in liquid container when bottle cap is assemblied in to liquid container, or the smell that is adsorbed in sealing element is transferred to the problem of drinking water etc., therefore, in recent years, do not adopt the structure (without sealing element) of sealing element to become gradually main flow.
Like this, make the characteristics such as bottle cap possesses high-speed molding, low odor, the safety while contacting with drinking water, stress cracking resistance self-evident, in recent years, also expectation realizes and to take into account with respect to the assembling of liquid container (tubular oral area) with respect to this two specific character of water tightness of water dispenser (water supply axle) and the bottle cap of operability excellence.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of bottle cap, it has solved the described existing problem relevant to bottle cap, has improved with respect to the assembling of liquid container and with respect to the water tightness of water dispenser.
The problem that the present invention will solve as mentioned above, next to describing for solving the method for this problem.
That is, the related bottle cap of technical scheme 1 is assemblied in the tubular oral area of liquid container for water dispenser, and this bottle cap possesses: outside parts, and it is formed with the outside cylindrical portion with the outer circumferential side butt of described tubular oral area; And inner part, it is formed with inner side cylindrical portion, and this inner side cylindrical portion is given prominence in described tubular oral area, and the water supply axle of water dispenser is through this inner side cylindrical portion, and described outside parts and inner part form Split type structure and are assembled respectively.
In technical scheme 2, by hardness, the resin-formed body higher than the hardness of described outside parts forms described inner part.
In technical scheme 3, described inner part is formed with circumferential flange portions in the opening edge edge of described inner side cylindrical portion, utilizes the inner peripheral surface of described outside cylindrical portion and the outer peripheral face of described circumferential flange portions to clamp the open end of described tubular oral area.
In technical scheme 4, described inner part is formed with towards radially outstanding sealing flank at the outer peripheral face of described circumferential flange portions.
In technical scheme 5, described outside parts the inner peripheral surface of described outside cylindrical portion be formed with can be chimeric with described inner part recess, the chimeric and engaging of described inner part and described recess is in the inner space of described outside cylindrical portion.
In technical scheme 6, described inner part has bottom tube-like portion at the open end of described inner side cylindrical portion so that tightlock status is chimeric, at the inner peripheral surface of described inner side cylindrical portion and be formed with engaging protrusion portion with the contiguous position of described outside jut, this engaging protrusion portion can be formed at described in have the outside jut of the outer peripheral face of bottom tube-like portion to engage.
In technical scheme 7, described inner part has bottom tube-like portion at the open end of described inner side cylindrical portion so that tightlock status is chimeric, described in have the internal diameter of bottom tube-like portion to be greater than the diameter of axle of described water supply axle.
In technical scheme 8, for the parts of described outside, be formed with the cap being connected with described outside cylindrical portion, peeling member is with one-body molded by the mode of the peristome shutoff of offering at described cap and described outside parts.
As effect of the present invention, can improve bottle cap with respect to the assembling of liquid container and bottle cap the water tightness with respect to water dispenser.
Accompanying drawing explanation
Fig. 1 is the integrally-built block diagram that the related bottle cap of one embodiment of the present of invention is shown.
Fig. 2 is the cutaway view of bottle cap.
Fig. 3 is the block diagram of inner part.
Fig. 4 is the local amplification view of bottle cap.
Fig. 5 illustrates the cutaway view that bottle cap is assemblied in the state of tubular oral area.
Fig. 6 is the cutaway view that the state of liquid container and water dispenser link is shown.
Fig. 7 illustrates the cutaway view from the state of water dispenser dismounting by liquid container.
Fig. 8 is the cutaway view that bottle cap that other embodiment are shown is assemblied in the state of tubular oral area.
Fig. 9 is the cutaway view that bottle cap that other embodiment are shown is assemblied in the state of tubular oral area.
Figure 10 is the cutaway view of the bottle cap of other embodiment.
Figure 11 is the cutaway view that bottle cap that Figure 10 is shown is assemblied in the state of tubular oral area.
The specific embodiment
Next, the mode for carrying out an invention is described.In addition, in following embodiment, the arrow directions X in Fig. 2 is made as to the above-below direction of bottle cap 1.
As shown in Figures 1 to 5, the bottle cap 1 of the present embodiment is that the mode installing and removing is assemblied in the cover of the tubular oral area 2 of liquid container for water dispenser, particularly, bottle cap 1 is configured to and comprises as lower member etc.: outside parts 3, and these outside parts 3 are formed with the outside cylindrical portion 30 with the outer circumferential side butt of tubular oral area 2; And inner part 4, this inner part 4 is formed with inner side cylindrical portion 40, this inner side cylindrical portion 40 is interior outstanding towards tubular oral area 2, the water supply axle 5 of water dispenser is through this inner side cylindrical portion 40, outside parts 3 and inner part 4 form Split type structure, respectively assembling outside parts 3 and inner part 4 and form described bottle cap 1.
Tubular oral area 2 is one side-prominent towards what be configured to liquid container (omitting diagram) for cartridge type (cartridge) container of the liquid fillings such as drinking water, at bottle cap 1, be assemblied under the state of tubular oral area 2 liquid container is taken care of, and make liquid container and water dispenser link (with reference to Fig. 6 etc.).
The open end of tubular oral area 2 is configured to: be implemented chamfering and form mild R shape, being formed with than outer circumferential side outstanding jut 20 more diametrically, thereby making bottle cap 1 can easily be assemblied in tubular oral area 2(with reference to Fig. 5).At bottle cap 1, be assemblied under the state of tubular oral area 2, jut 20 is chimeric with the assembling recess 33 of the outside cylindrical portion 30 that is formed at bottle cap 1 described later.This tubular oral area 2 can form as one with container body, and in addition, this tubular oral area 2 can also form with respect to container body mounting or dismounting freely.
With lower member, in the mode being integrally formed, form inner part 4: inner side cylindrical portion 40, this inner side cylindrical portion 40 forms the rounded tubular in cross section with the wall thickness compared with thin; Circumferential flange portions 41, this circumferential flange portions 41 is formed at the opening edge edge of inner side cylindrical portion 40; And engaging flank 42, this engaging flank 42 is formed at the periphery of circumferential flange portions 41.Inner side cylindrical portion 40 forms: the open end a side (top of Fig. 2) is formed with circumferential flange portions 41 and engaging flank 42, and approximate to form level planar at inner side cylindrical portion 40, circumferential flange portions 41 and engaging flank 42 for the upper surface of inner part 4.
Inner side cylindrical portion 40 has bottom tube-like portion 43 at the opposing party's (below of Fig. 2) open end so that tightlock status is chimeric.Inner peripheral surface in inner side cylindrical portion 40 is formed with the 40a of engaging protrusion portion, and the 40a of this engaging protrusion portion can have the outside jut 43a that is formed at outer peripheral face of bottom tube-like portion 43 to engage with described later.The cross section of the 40a of engaging protrusion portion is in the mode of enlarged and form cone-shaped gradually the open end of the opposing party from inner side cylindrical portion 40, in the present embodiment, the cone angle of the distolateral part by private side of ratio open that forms inner side cylindrical portion 40 comparatively mild (with reference to Fig. 4 etc.).
There is bottom tube-like portion 43 chimeric with the opposing party's (below of Fig. 2) of tightlock status and inner side cylindrical portion 40 open end, with by the opposing party's of this inner side cylindrical portion 40 open end shutoff, under the state of open end that is embedded in inner side cylindrical portion 40, this has the inwards internal direction of cylindrical portion 40 (top of Fig. 2) opening of bottom tube-like portion 43.Have bottom tube-like portion 43 to be formed with outside jut 43a at the outer peripheral face of open end, the 43b of closure flange portion has the outer peripheral face of the closed end of bottom tube-like portion 43 along the circumferential direction to stretch out at this.In addition,, at the outer peripheral face that has bottom tube-like portion 43, sealing flank 43c along the circumferential direction stretches out position near the 43b of closure flange portion.
Have the open end of bottom tube-like portion 43 to offer the circle when overlooking, can be intercalated in the water supply axle 5 of water dispenser, the end of open end is crooked and can engage with water supply axle 5 towards radially inner side.Conventionally, at the front end of water supply axle 5, be formed with concavity portion, have the end of the open end of bottom tube-like portion 43 to engage with this concavity portion.The bottom tube-like portion 43 that has of the present embodiment forms the diameter of axle that internal diameter is greater than water supply axle 5, particularly, compares with existing same parts, bottom tube-like portion 43 is formed and keep identical outer electrical path length and thickness to become thinner.
Outside jut 43a can engage with the 40a of engaging protrusion portion that is formed at inner peripheral surface of inner side cylindrical portion 40, and the cross section of this outside jut 43a is played the mode of enlarged gradually and formed cone-shaped to have the leading section direction of bottom tube-like portion 43 by oneself.The 43b of closure flange portion is at the open end butt having under bottom tube-like portion 43 and the chimeric state of the open end of inner side cylindrical portion 40 with inner side cylindrical portion 40.In addition, sealing flank 43c is equally in the 40a of the engaging protrusion portion crimping having under bottom tube-like portion 43 and the chimeric state of the open end of inner side cylindrical portion 40 with inner side cylindrical portion 40.
In the inner part 4 of the present embodiment, be formed with the 40a of engaging protrusion portion with the position of outside jut 43a vicinity, the lower surface of the upper surface of the 40a of engaging protrusion portion and outside jut 43a is equipped on position (with reference to Fig. 4) contiguous on above-below direction to have the mode of spacing distance L.Preferred interval distance L forms infinitely short, in other words, preferably engages the upper surface of jut 40a and the lower surface of outside jut 43a forms against each other.In addition, in fact, consider cylindrical portion 40 inside inner part 4(and have bottom tube-like portion 43) the dimensional accuracy of forming work, engaging protrusion 40a and outside jut 43a are formed and between them, there is tiny interval.
In addition, there is the bottom tube-like portion 43 can be one-body molded with inner side cylindrical portion 40, in addition, have the bottom tube-like portion 43 also can be body formed with inner side cylindrical portion 40 minutes.
The bottle cap 1 of the present embodiment forms by outside parts 3 and inner part 4 are assembled into one, particularly, from the lower opening end of the outside cylindrical portion 30 of outside parts 3, be inserted into the inner part 4 in inner space, making under engaging flank 42 and the chimeric state of the engaging recess 32 that is formed at inner peripheral surface 30a of outside cylindrical portion 30, engaging is in the inner space of outside cylindrical portion 30.
And, at bottle cap 1, be assemblied under the state (with reference to Fig. 5) of tubular oral area 2, outside cylindrical portion 30 is carried out elastic deformation and is coincide with the shape of the open end with tubular oral area 2 (jut 20), the inner peripheral surface 30a of outside cylindrical portion 30 with the state of crimping with the outer circumferential side butt of tubular oral area 2.The open end of tubular oral area 2 that is intercalated in outside cylindrical portion 30 be inserted between the inner peripheral surface 30a of above-mentioned outside cylindrical portion 30 and the outer peripheral face 41a of circumferential flange portions 41 and make the outside inner peripheral surface 30a of cylindrical portion 30 and the outer peripheral face 41a of circumferential flange portions 41 separated, jut 20 is chimeric with the assembling recess 33 that is formed at inner peripheral surface 30a of outside cylindrical portion 30, and, by the inner peripheral surface 30a of outside cylindrical portion 30 and the outer peripheral face 41a of circumferential flange portions 41 and the open end of tubular oral area 2 is clamped to maintenance.
For the bottle cap 1 of the present embodiment, by the inner peripheral surface 30a of outside cylindrical portion 30 and the outer peripheral face 41a of circumferential flange portions 41, jut 20 is clamped, and make the front end (in Fig. 5 for upper end) and engaging flank 42 butts of jut 20, thereby utilize inner part 4 and by the open end sealing of tubular oral area 2.By forming in the above described manner, can not make the liquid in tubular oral area 2 spill from the gap between tubular oral area 2 and inner part 4, can make bottle cap 1 be assemblied in tubular oral area 2 with watertight state.
At bottle cap 1, be assemblied under the state of tubular oral area 2, inner side cylindrical portion 40 is interior outstanding towards tubular oral area 2, but in the present embodiment, make sealing flank 43c and the 40a of engaging protrusion portion crimping, thereby make bottom tube-like portion 43 chimeric with the open end of tightlock status and inner side cylindrical portion 40, therefore, the liquid in tubular oral area 2 can not spill from the open end of such inner side cylindrical portion 40.
The outside parts 3 of the present embodiment and inner part 4, such as by having adopted the resin-formed body of the synthetic resin material of high density polyethylene (HDPE), Low Density Polyethylene, polyethylene, poly terephthalic acid second two fat, polyvinylchloride, polystyrene, poly-the third ethene, polyester etc. to form.Especially, in the present embodiment, utilize the different synthetic resin material of mechanical strength and form outside parts 3 and inner part 4, particularly, for the resin-formed body of formation inner part 4, preferably " hardness " of the index of employing conduct expression mechanical strength is higher than the material of " hardness " of the resin-formed body of formation outside parts 3.For adopted synthetic resin material, do not carry out particular determination, as long as the hardness of inner part 4 is higher than the hardness of outside parts 3.
Then,, to being equipped with the mounting or dismounting with respect to water dispenser of liquid container of the bottle cap 1 of the present embodiment, be elaborated.
As shown in Figure 6, when liquid container is linked to water dispenser, peeling member 34 is peeled off from bottle cap 1, and then make liquid container from the top of water dispenser so that state downward of bottle cap 1 and moving down, thereby make to supply water axle 5 inner side cylindrical portion 40(Fig. 6 (a) through the inner part 4 of exposing from cap 31).Be accompanied by the movement downward of liquid container, through the water supply axle 5 of inner side cylindrical portion 40 be arranged at inner side cylindrical portion 40 open end have bottom tube-like portion 43 butts, towards top, press bottom tube-like portion 43 and make this have bottom tube-like portion 43 to reach soon L with respect to the spacing distance between inner side cylindrical portion 40, thereby make the 40a of engaging protrusion portion engage (Fig. 6 (b)) with outside jut 43a.
Under the state of the 40a of engaging protrusion portion and outside jut 43a engaging, liquid container is further moved down, thus, made bottom tube-like portion 43 be intercalated in water supply axle 5, thereby made bottom tube- like portion 43 and 5 engagings (Fig. 6 (c)) of water supply axle.And, bottom tube-like portion 43 is departed from from inner side cylindrical portion 40, and the axle 5 that makes to supply water is towards tubular oral area 2 interior outstanding (Fig. 6 (d)).Now, for inner side cylindrical portion 40 and water supply axle 5, the inner peripheral surface of inner side cylindrical portion 40 (40a of engaging protrusion portion) connects airtight with the outer peripheral face of water supply axle 5.
On the other hand, as shown in Figure 7, when from water dispenser dismounting liquid container, make liquid container move up (Fig. 7 (a)), axle 5 and outside jut 43a and the 40a of engaging protrusion portion moving contact thus make to supply water, and made bottom tube-like portion 43 chimeric with inner side cylindrical portion 40 (Fig. 7 (b)) gradually, thereby made soon the open end butt of the 43b of closure flange portion and inner side cylindrical portion 40 make bottom tube-like portion 43 and inner side cylindrical portion 40 completely chimeric (Fig. 7 (c)).And, have bottom tube-like portion 43 and inner side cylindrical portion 40 chimeric after, the axle 5 that makes to supply water is from there being bottom tube-like portion 43 to depart from (Fig. 7 (d)).
As mentioned above, for the bottle cap 1 of the present embodiment, this bottle cap 1 is assemblied in the tubular oral area 2 of liquid container for water dispenser, and this bottle cap 1 possesses: outside parts 3, and it is formed with the outside cylindrical portion 30 with the outer circumferential side butt of tubular oral area 2; Inner part 4, it is formed with inner side cylindrical portion 40, this inner side cylindrical portion 40 is interior outstanding towards tubular oral area 2, the water supply axle 5 of water dispenser is through this inner side cylindrical portion 40, outside parts 3 and inner part 4 form Split type structure and are assembled respectively, therefore, can improve this bottle cap 1 with respect to the assembling of the tubular oral area 2 of liquid container and with respect to the water tightness of the water supply axle 5 of water dispenser.
; for the bottle cap 1 of the present embodiment; therefore because the inner part 4 that is formed with the outside parts 3 of outside cylindrical portion 30 and is formed with inner side cylindrical portion 40 forms respectively Split type structure, can form respectively outside parts 3 and inner part 4 by the different resin-formed body of mechanical strength.Therefore, adopt synthetic resin material to form outside parts 3, the mechanical strength of this synthetic resin material make outside cylindrical portion 30 when bottle cap 1 is assemblied in to tubular oral area 2, carry out suitable elastic deformation and suitably with the outer circumferential side crimping of tubular oral area 2, can improve thus the assembling of the tubular oral area 2 with respect to liquid container of bottle cap 1.
On the other hand, adopt synthetic resin material to form inner part 4, the mechanical strength of this synthetic resin material connects airtight inner side cylindrical portion 40 when by the link of liquid container and water dispenser with optimum regime and water supply axle 5 chimeric, can improve thus bottle cap 1 with respect to the water supply axle 5 of water dispenser water tightness.And then, by adopting the synthetic resin material of best mechanical strength to form inner part 4, the bottom tube-like portion 43 that has of open end that makes to be arranged at the inner side cylindrical portion 40 of inner part 4 engages with the water supply axle 5 that is inserted in inner side cylindrical portion 40 reliably, thereby can prevent that bottom tube-like portion 43 from coming off from water supply axle 5 in liquid container, and, when water supply axle 5 is extracted from inner side cylindrical portion 40, make bottom tube-like portion 43 chimeric with the open end of inner side cylindrical portion 40 reliably with tightlock status, thereby can turn back to initial state.
In addition, for the bottle cap 1 of the present embodiment, therefore due to inner part 4, by hardness, the resin-formed body higher than the hardness of outside parts 3 forms, and can maintain above-mentioned bottle cap 1 with respect to the assembling of the tubular oral area 2 of liquid container and can further improve bottle cap 1 with respect to the water tightness of the water supply axle 5 of water dispenser.Particularly, because the weight of liquid container reaches tens L～twenties L, therefore, when liquid container and water dispenser are linked (with reference to Fig. 6), under the state sometimes tilting with respect to water supply axle 5 at liquid container, carry out operation.According to the bottle cap 1 of the present embodiment, resin-formed body by high hardness forms inner part 4, improved thus cylindrical portion 40 inside inner part 4() with respect to the water tightness of water supply axle 5, thereby can prevent reliably that the liquid in liquid container from leaking from the separation of inner side cylindrical portion 40 and water supply axle 5, and, even above-mentioned in the situation that, also can prevent that inner side cylindrical portion 40 is because pressed the distortion that expansion etc. occurs by water supply axle 5, thereby can prevent bottom tube-like portion 43 from engage with water supply axle 5 and from inner side cylindrical portion 40 disengagings.
In addition, the bottle cap 1 of the present embodiment is configured to: in inner part 4 and in the opening edge edge of inner side cylindrical portion 40, be formed with circumferential flange portions 41, utilize the outside inner peripheral surface 30a of cylindrical portion 30 and the outer peripheral face 41a of circumferential flange portions 41 to clamp the open end of tubular oral area 2, therefore, bottle cap 1 can be assembled into more excellent with respect to the water tightness of tubular oral area 2, thereby can prevent that the liquid in tubular oral area 2 from spilling from the gap between tubular oral area 2 and inner part 4.
In addition, the bottle cap 1 of the present embodiment is configured to: outside side component 3 and outside the inner peripheral surface 30a of side cylindrical portion 30 be formed with engaging recess 32 that can be chimeric with inner part 4, inner part 4 with engaging recess 32 chimeric and engaging in the inner space of outside cylindrical portion 30, therefore, it is easily simple that the assembling operation of outside parts 3 and inner part 4 becomes, in addition, processing and manufacturing also becomes easy.
In addition, for the bottle cap 1 of the present embodiment, there is bottom tube-like portion 43 chimeric with the open end of the inner side cylindrical portion 40 of tightlock status and inner part 4, inner peripheral surface in inner side cylindrical portion 40, can be formed at the 40a of engaging protrusion portion that the outside jut 43a that is formed at the outer peripheral face of bottom tube-like portion 43 engages the position of adjacent lateral side jut 43a, therefore, can improve the rigidity of inner side cylindrical portion 40, and, when liquid container is dismantled from water dispenser (with reference to Fig. 7), axle 5 and outside jut 43a and the 40a of engaging protrusion portion moving contact can make to supply water, and can make bottom tube-like portion 43 chimeric with the open end of inner side cylindrical portion 40 more reliably.
In addition, the bottle cap 1 of the present embodiment forms: have bottom tube-like portion 43 chimeric with the open end of the inner side cylindrical portion 40 of tightlock status and inner part 4, there is the internal diameter of bottom tube-like portion 43 to be greater than the diameter of axle of water supply axle 5, therefore, can prevent that bottom tube-like portion 43 is out of shape diametrically because of water supply axle 5, when liquid container is dismantled from water dispenser (with reference to Fig. 7), can make bottom tube-like portion 43 chimeric with the open end of inner side cylindrical portion 40 more reliably.
In addition, for the bottle cap 1 of the present embodiment, side component 3 is formed with the cap 31 being connected with outside cylindrical portion 30 outside, peeling member 34 is with by the mode of the peristome 31a shutoff at cap 31 openings and one-body molded with outside parts 3, therefore, such with prior art compares in the structure of cap 31 adhesive labels (label) parts for shutoff peristome 31a, can not peel off because stickness variation causes tag component, in addition, can also effectively prevent from being accompanied by peeling off of tag component and the quality of the liquid container that produces reduces, quality is altered etc.
In addition, the structure of bottle cap 1 is not limited to the above embodiments, only otherwise departing from object of the present invention just can carry out various changes.But, in other following embodiment, except the situation of special version, omit the explanation to the identical structure of the structure with above-described embodiment.
; the bottle cap 1 of above-described embodiment is configured to: at bottle cap 1, be assemblied under the state of tubular oral area 2; utilize the outside inner peripheral surface 30a of cylindrical portion 30 and the outer peripheral face 41a of circumferential flange portions 41 to clamp (with reference to Fig. 5) to the open end of tubular oral area 2; but bottle cap 1 is not limited thereto to the assembling structure of tubular oral area 2.
For example, the bottle cap 101 of embodiment is as shown in Figure 8 such, can form towards radially outstanding sealing flank 144 in inner part 104 and at the outer peripheral face 141a of circumferential flange portions 141.Sealing flank 144 stretches out along the circumferencial direction of outer peripheral face 141a.In such structure, at bottle cap 101, be assemblied under the state of tubular oral area 2, when utilizing the outside inner peripheral surface 130a of cylindrical portion 130 and the outer peripheral face 141a of circumferential flange portions 141 to clamp jut 20, sealing flank 144 is while carrying out the inner peripheral surface crimping of elastic deformation with jut 20, therefore, even shrink and produce shrinkage cavity etc. because of moulding when the moulding of internal material 104, also can be more reliable by the gap between tubular oral area 2 and inner part 104 (gap between the outer peripheral face 141a of the inner peripheral surface of jut 20 and circumferential flange portions 141) shutoff, thereby bottle cap 1 can be assemblied in to tubular oral area 2 with more excellent watertight state.
In addition, bottle cap 101 is configured to: the assigned position on the circumferencial direction of the inner peripheral surface 130a of side cylindrical portion 130 (being three positions, place in the present embodiment) is formed with engaging recess 132 outside, making under engaging flank 142 and the chimeric state of such engaging recess 132, inner part 104 engagings are in the inner space of outside cylindrical portion 130.In addition, the position of engaging recess 132, shape etc. are not carried out to particular determination, can also form following structure: engaging recess 132 is not set, make engaging flank 142 directly and the inner peripheral surface 130a butt of outside cylindrical portion 130, make thus inner part 104 engagings in the inner space of outside cylindrical portion 130.
In addition, also the bottle cap 201 of embodiment that can be as shown in Figure 9 forms following structure like that: engaging recess 232 is along the circumferential direction formed at the inner peripheral surface 230a of the outside cylindrical portion 230 of outside parts 203, and, in the opening edge edge of the inner side of inner part 204 cylindrical portion 240, be formed with circumferential flange portions 241 and engaging flank 242, at bottle cap 201, be assemblied under the state of tubular oral area 2, the open end (jut 20) that is intercalated in the tubular oral area 2 of outside cylindrical portion 230 is clamped in the outer peripheral face 241a of circumferential flange portions 241 and the interval between engaging flank 242 in chimeric mode.
In addition, in the bottle cap 301 of the embodiment shown in Figure 10 and Figure 11, as above-described embodiment (such as with reference to Fig. 5 etc.), engaging recess is not formed at the inner peripheral surface 330a of the outside cylindrical portion 330 of outside parts 303, there is elastic deformation with the inner peripheral surface 330a butt of outside cylindrical portion 330 in the engaging flank 342 that is formed at the opening edge edge of inner side cylindrical portion 340, thereby makes inner part 304 engagings in the inner space of outside cylindrical portion 330 (with reference to Figure 10).When bottle cap 301 is assemblied in to tubular oral area 2, by jut 20, towards top, (the arrow directions X of Figure 10) promotes inner part 304, make jut 20 be inserted into the gap between the outside inner peripheral surface 330a of cylindrical portion 330 and the outer peripheral face 341a of circumferential flange portions 341, and make jut 20 and the assembling recess 333 chimeric (with reference to Figure 11) that is formed at the inner peripheral surface 330a of outside cylindrical portion 330.Now, because engaging flank 342 carries out elastic deformation with the front end crimping of jut 20, therefore can be more reliably by the gap shutoff between tubular oral area 2 and inner part 304, thus can bottle cap 301 be assemblied in to tubular oral area 2 with more excellent watertight state.
In addition, in bottle cap 301, be formed with along the edge of opening of the peristome 331a of the cap 331 of the outside parts 303 outstanding ring-shaped protrusion 335 in inner space of side cylindrical portion 330 outwardly, and, in the corresponding position of the circumferential flange portions 341 of inner part 304, be provided with ring-type slot part 341b.When bottle cap 301 is assemblied in to tubular oral area 2, make ring-shaped protrusion 335 be embedded in the ring-type slot part 341b of circumferential flange portions 341.Like this, edge of opening by the peristome 331a along cap 331 forms ring-shaped protrusion 335, can improve cap 331 peristome 331a edge of opening intensity and reliably peeling member 334 is peeled off, and, because ring-shaped protrusion 335 is assemblied in the ring-type slot part 341b that is embedded in circumferential flange portions 341 under the state of tubular oral area 2 at bottle cap 301, therefore can be by inner part 304 and reliably from the inner space side of outside cylindrical portion 330 by the peristome 331a shutoff of cap 331, thereby can effectively prevent sneaking into of foreign matter.
In addition, in the bottle cap 1 of above-described embodiment, utilize the outside inner peripheral surface 30a of cylindrical portion 30 and the outer peripheral face 41a of circumferential flange portions 41 to clamp jut 20, and, the front end of jut 20 and engaging flank 42 butts, utilize inner part 4 by the open end sealing of tubular oral area 2, but, may not make front end and engaging flank 42 butts of jut 20, as shown in Fig. 5 waits, as long as form, between the inner peripheral surface of jut 20 and the outer peripheral face 41a of circumferential flange portions 41, do not there is gap and make the structures such as the inner peripheral surface of jut 20 and the outer peripheral face 41a of circumferential flange portions 41 connect airtight.
In industry, utilize possibility
As being assemblied in the bottle cap of water dispenser with the tubular oral area of liquid container, the present invention can improve bottle cap with respect to the assembling of liquid container and bottle cap the water tightness with respect to water dispenser.
Description of reference numerals:
1 ... bottle cap; 2 ... tubular oral area; 3 ... outside parts; 4 ... inner part; 5 ... water supply axle; 20 ... jut; 30 ... outside cylindrical portion; 30a ... inner peripheral surface; 31 ... cap; 31a ... peristome; 32 ... engaging recess (recess); 33 ... assembling recess; 34 ... peeling member; 40 ... inner side cylindrical portion; 40a ... engaging protrusion portion; 41 ... circumferential flange portions; 42 ... engaging flank; 43 ... there is bottom tube-like portion; 43a ... outside jut; 43b ... sealing jut.
Claims (8)
1. a bottle cap, this bottle cap is assemblied in the tubular oral area of liquid container for water dispenser,
Described bottle cap is characterised in that to possess:
Outside parts, it is formed with the outside cylindrical portion with the outer circumferential side butt of described tubular oral area; And
Inner part, it is formed with inner side cylindrical portion, and this inner side cylindrical portion is given prominence in described tubular oral area, and the water supply axle of water dispenser passes this inner side cylindrical portion,
Described outside parts and inner part form Split type structure and are assembled respectively.
2. bottle cap according to claim 1, is characterized in that,
By hardness, the resin-formed body higher than the hardness of described outside parts forms described inner part.
3. bottle cap according to claim 1 and 2, is characterized in that,
Described inner part is formed with circumferential flange portions in the opening edge edge of described inner side cylindrical portion, utilizes the inner peripheral surface of described outside cylindrical portion and the outer peripheral face of described circumferential flange portions to clamp the open end of described tubular oral area.
4. bottle cap according to claim 3, is characterized in that,
Described inner part is formed with towards radially outstanding sealing flank at the outer peripheral face of described circumferential flange portions.
5. according to the bottle cap described in any one in claim 1～4, it is characterized in that,
Described outside parts the inner peripheral surface of described outside cylindrical portion be formed with can be chimeric with described inner part recess, the chimeric and engaging of described inner part and described recess is in the inner space of described outside cylindrical portion.
6. according to the bottle cap described in any one in claim 1～5, it is characterized in that,
Described inner part has bottom tube-like portion at the open end of described inner side cylindrical portion so that tightlock status is chimeric, at the inner peripheral surface of described inner side cylindrical portion and be formed with engaging protrusion portion with the contiguous position of described outside jut, this engaging protrusion portion can be formed at described in have the outside jut of the outer peripheral face of bottom tube-like portion to engage.
7. according to the bottle cap described in any one in claim 1～6, it is characterized in that,
Described inner part has bottom tube-like portion at the open end of described inner side cylindrical portion so that tightlock status is chimeric, described in have the internal diameter of bottom tube-like portion to be greater than the diameter of axle of described water supply axle.
8. according to the bottle cap described in any one in claim 1～7, it is characterized in that,
For the parts of described outside, be formed with the cap being connected with described outside cylindrical portion, peeling member is with one-body molded by the mode of the peristome shutoff of offering at described cap and described outside parts.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-179262 | 2011-08-18 | ||
| JP2011179262 | 2011-08-18 | ||
| JP2011270279A JP5009435B1 (en) | 2011-08-18 | 2011-12-09 | Bottle cap |
| JP2011-270279 | 2011-12-09 | ||
| PCT/JP2012/063814 WO2013024611A1 (en) | 2011-08-18 | 2012-05-29 | Bottle cap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103732525A true CN103732525A (en) | 2014-04-16 |
| CN103732525B CN103732525B (en) | 2015-07-08 |
Family
ID=46844500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280039798.XA Active CN103732525B (en) | 2011-08-18 | 2012-05-29 | Bottle cap |
Country Status (4)
| Country | Link |
|---|---|
| JP (2) | JP5009435B1 (en) |
| KR (1) | KR101442748B1 (en) |
| CN (1) | CN103732525B (en) |
| WO (1) | WO2013024611A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108996018A (en) * | 2018-09-26 | 2018-12-14 | 河南中托力合化学有限公司 | A kind of chemical liquid raw material parcel barrelling |
| CN111746138A (en) * | 2016-06-10 | 2020-10-09 | 精工爱普生株式会社 | Ink replenishing system |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL229909B (en) * | 2013-12-11 | 2018-07-31 | Neviot Nature Galilee Ltd | Apparatus for closing a fluid container |
| JP6429305B2 (en) * | 2014-03-07 | 2018-11-28 | Ｎｅｘｔ Ｉｎｎｏｖａｔｉｏｎ合同会社 | Fluid container stopper structure |
| JP6183812B2 (en) * | 2014-09-02 | 2017-08-23 | プラテック有限会社 | Bottle cap |
| JP6571347B2 (en) * | 2015-02-24 | 2019-09-04 | 康仁 河島 | Bottle cap |
| JP5926427B1 (en) * | 2015-07-27 | 2016-05-25 | プラテック有限会社 | Bottle cap |
| JP6430430B2 (en) * | 2016-03-30 | 2018-11-28 | 中嶋 孝司 | Bottle cap for water server |
| JP6599405B2 (en) * | 2017-07-11 | 2019-10-30 | 龍江精工株式会社 | Liquid container lid and liquid container |
| JP7138889B2 (en) * | 2017-10-13 | 2022-09-20 | 株式会社フェイスアップ | bottle cap |
| JP7164111B2 (en) * | 2018-11-28 | 2022-11-01 | 株式会社フェイスアップ | bottle cap |
| JP2019206395A (en) * | 2019-08-20 | 2019-12-05 | エア・ウォーター株式会社 | Bottle cap |
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| CN2601961Y (en) * | 2002-12-25 | 2004-02-04 | 深圳市步先包装机械有限公司 | Bottle mouth and bottle cap structure of bottled water |
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| JP3152861U (en) * | 2009-06-05 | 2009-08-13 | 株式会社自然村からの贈物 | Liquid pouring device such as hot spring water |
| JP4898886B2 (en) * | 2009-09-17 | 2012-03-21 | 石田金型製作所有限会社 | Cap for beverage dispenser, beverage dispenser container equipped with the same, beverage dispenser system, and cap manufacturing apparatus and method |
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2011
- 2011-12-09 JP JP2011270279A patent/JP5009435B1/en active Active
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2012
- 2012-03-17 JP JP2012061299A patent/JP2013056704A/en active Pending
- 2012-05-29 WO PCT/JP2012/063814 patent/WO2013024611A1/en active Application Filing
- 2012-05-29 KR KR1020147005093A patent/KR101442748B1/en active IP Right Grant
- 2012-05-29 CN CN201280039798.XA patent/CN103732525B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2601961Y (en) * | 2002-12-25 | 2004-02-04 | 深圳市步先包装机械有限公司 | Bottle mouth and bottle cap structure of bottled water |
| JP2010030679A (en) * | 2008-06-25 | 2010-02-12 | Helthy Water Co Ltd | Lid for liquid container |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111746138A (en) * | 2016-06-10 | 2020-10-09 | 精工爱普生株式会社 | Ink replenishing system |
| CN111746138B (en) * | 2016-06-10 | 2022-05-10 | 精工爱普生株式会社 | Ink replenishing system |
| CN108996018A (en) * | 2018-09-26 | 2018-12-14 | 河南中托力合化学有限公司 | A kind of chemical liquid raw material parcel barrelling |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20140036044A (en) | 2014-03-24 |
| WO2013024611A1 (en) | 2013-02-21 |
| JP2013056704A (en) | 2013-03-28 |
| CN103732525B (en) | 2015-07-08 |
| JP2013056703A (en) | 2013-03-28 |
| KR101442748B1 (en) | 2014-09-22 |
| JP5009435B1 (en) | 2012-08-22 |
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