CN100590035C - Hinged Cover - Google Patents

Hinged Cover Download PDF

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Publication number
CN100590035C
CN100590035C CN200510118791A CN200510118791A CN100590035C CN 100590035 C CN100590035 C CN 100590035C CN 200510118791 A CN200510118791 A CN 200510118791A CN 200510118791 A CN200510118791 A CN 200510118791A CN 100590035 C CN100590035 C CN 100590035C
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China
Prior art keywords
lid
connecting portion
side connecting
main body
mentioned
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CN200510118791A
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CN1958399A (en
Inventor
山中康弘
池上利和
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M F V 株式会社
MFV Co Ltd
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MFV Co Ltd
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Priority to CN200510118791A priority Critical patent/CN100590035C/en
Publication of CN1958399A publication Critical patent/CN1958399A/en
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Publication of CN100590035C publication Critical patent/CN100590035C/en
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Abstract

A hinged cover with durable elastic function has an elastic body with two join parts at its both ends respectively for main body and cover.

Description

Hinged cover
Technical field
The present invention relates to hinged cover.
Background technology
In the past, be installed in the hinged cover that uses on the bottle of used for cosmetic, some have main body, can open and close rotatably the bonded assembly lid on this main body via hinge, between main body and lid with the direct coupled elastic body of above-mentioned parts (ス Na Star プ body) (for example patent documentation 1).
The elastic body of hinged cover, at lid when being positioned at the handoff boundary position of the middle part that opens and closes rotation, owing to being stretched, elastomeric two ends stretch, therefore produce elastic force on the elastic body by elastomeric extending in, when lid more was positioned at off position one side than handoff boundary position, lid was suppressed to closing direction, simultaneously, when lid more was positioned at open position one side than handoff boundary position, lid was suppressed to opening direction.
That is, elastic body carries out maximum stretching when being positioned at the handoff boundary position, and as the border, elastomeric contraction (reactivation) can play a role to closing side or opening side fully, applies elastic force to lid in view of the above with the handoff boundary position.
[patent documentation 1] spy opens flat 08-301329 communique
Summary of the invention
But, in hinged cover in the past, because elastomeric two ends directly are connected with the perisporium of main body and the perisporium of lid, so when making lid near the handoff boundary position, can apply excessive pulling force on elastomeric both ends, if the switching that repeats to cover, the fatigue of then elastomeric two ends will accumulate, and rapid deterioration, might rupture in advance in elastomeric both ends.
Therefore, the present invention is point in view of the above problems, even so that a kind of switching of covering for a long time to be provided, the hinged cover that also can keep elastomeric function is a purpose.
The technical method of the present invention that solves this technical task is: be connected with lid on main body, can open and close rotation via hinge, between main body and lid, be connected with elastic body, at lid during near the handoff boundary position of the middle part that is positioned at above-mentioned switching rotation, by the above-mentioned elastomeric both end sides that stretches, make its stretching, extension, apart from the handoff boundary position, when being positioned at the off position side, will suppress this lid at lid to the direction of closing, simultaneously, apart from the handoff boundary position, when being positioned at open position, will suppress the hinged cover of this lid at lid to opening direction, between aforementioned body and the elastic body or at least one side between above-mentioned lid and the elastic body, be provided with connecting portion, this connecting portion can stretch when covering near the handoff boundary position, relaxes elastomeric stretching, extension.
Other technical method of the present invention is: be connected with lid on main body, can open and close rotation via hinge, between main body and lid, be connected with elastic body, at lid during near the handoff boundary position of the middle part that is positioned at above-mentioned switching rotation, by the above-mentioned elastomeric both end sides that stretches, make its stretching, extension, covering apart from the handoff boundary position, when being positioned at the off position side, to suppress this lid to the direction of closing, simultaneously, covering apart from the handoff boundary position, when being positioned at open position, to suppress the hinged cover of this lid to opening direction, be provided with the main body side connecting portion that connects an above-mentioned elastomeric end on main body, be provided with the lid side connecting portion that connects the above-mentioned elastomeric other end covering, main body side connecting portion and lid side connecting portion can freely stretch, make it when covering, will stretch near the handoff boundary position.
Other technical method of the present invention is: aforementioned body side connecting portion has from the outstanding laterally a pair of protrusion tab of main body, and bonded assembly flexure strip between the outstanding end of this a pair of protrusion tab, above-mentioned lid side connecting portion has from the outstanding laterally a pair of flexure strip of lid, and bonded assembly flexure strip between the outstanding end of this a pair of protrusion tab, on the above-mentioned elastomeric one distolateral flexure strip that is installed in the main body side connecting portion, simultaneously, another distolateral being installed on the flexure strip that covers connector, the flexure strip of aforementioned body side connecting portion forms free elastic deformation, make it at above-mentioned lid during near the handoff boundary position, flexure strip elastic deformation to lid side connecting portion, the flexure strip of lid side connecting portion forms free elastic deformation, make it at above-mentioned lid during near the handoff boundary position, to the flexure strip elastic deformation of main body side connecting portion.
Other technical method of the present invention is: aforementioned body side connecting portion has from the outstanding laterally protrusion tab of main body, outstanding end bonded assembly flexure strip with an end and this protrusion tab, above-mentioned lid side connecting portion has from the outstanding laterally flexure strip of lid, the outstanding end bonded assembly flexure strip of one end and this protrusion tab, on the above-mentioned elastomeric one distolateral flexure strip that is installed in the main body side connecting portion, simultaneously, another distolateral being installed on the flexure strip that covers connector, the flexure strip of aforementioned body side connecting portion forms can elastic deformation, make it at above-mentioned lid during near the handoff boundary position, flexure strip elastic deformation to lid side connecting portion, the flexure strip of lid side connecting portion forms can elastic deformation, make it at above-mentioned lid during near the handoff boundary position, to the flexure strip elastic deformation of main body side connecting portion.
The switching of covering chronically can reduce the pulling force that in lid switching process, applies, even also can keep elastomeric function to elastomeric both ends.
Description of drawings
Fig. 1 is the block diagram of the hinged cover of first embodiment of the invention.
Fig. 2 is the birds-eye view when hinged cover is opened fully.
Fig. 3 is the lateral plan when hinged cover is opened fully.
Fig. 4 is the front view when hinged cover is opened fully.
Fig. 5 hinged cover opens and closes the instruction diagram of rotation.
The details drawing of Fig. 6 main body side connecting portion and lid side connecting portion.
Fig. 7 is the birds-eye view of the hinged cover of second embodiment of the invention.
Fig. 8 is the front view when hinged cover is opened fully.
Fig. 9 is the birds-eye view of the hinged cover of third embodiment of the invention.
Figure 10 is the birds-eye view of the hinged cover of four embodiment of the invention.
The specific embodiment
Below, with reference to drawing explanation embodiments of the present invention.First embodiment of Fig. 1~6 expressions hinged cover of the present invention.
As shown in Figure 1, hinged cover 1 has main body 2, lid 3, hinge 4 and elastic body 5.Main body 2, lid 3, hinge 4 and elastic body 5 form as one.
Main body 2 can be installed on the container body 6, and integral body forms the cylindric of the end, have main body top wall portion 7 and with the edge portion bonded assembly main body surrounding wall portion 8 of main body top wall portion 7.Main body top wall portion 7 is provided with takes out hole 9, by main body surrounding wall portion 8 being installed on the oral area of container body 6, can take out from the taking-up hole 9 of main body 2 with the content of container body 6.The container of cosmetics etc. is made of hinged cover 1 and container body 6.
Cover 3 integral body and form the cylindric of the end, can cover main body top wall portion 7 is whole, have lid top wall portion 10 and with the edge portion bonded assembly lid surrounding wall portion 11 of lid top wall portion 10.Cock body 12 by the taking-up hole 9 that main body of clogging 2 is arranged is set in lid top wall portion 10.
Hinge 4 can make and cover 3 and open and close rotation, and one of hinge 4 distolaterally is connected with main body surrounding wall portion 8, another distolateral with cover surrounding wall portion 11 and be connected.
So, cover 3 and can open and close covering 3 by making around the S. A. core X of hinge 4 rotation, when being in the state of closing cap 3, taking out hole 9 and sealed by cock body 12, to open when cover 3 state being in, taking-up hole 9 is opened.
Shown in Fig. 2~4, the main body surrounding wall portion 8 of main body 2 is provided with the left and right sides that 15, two main body side connecting portions 15 of two main body side connecting portions (connecting portion) are configured in hinge 4 respectively.Main body side connecting portion 15 is made by synthetic resin etc., forms roughly コ font under overlooking.In addition, main body side connecting portion 15 forms as one with main body surrounding wall portion 8.Main body side connecting portion 15 forms elastically, so that as described below the time near the handoff boundary position A of a distolateral burden that alleviates elastic body 5, stretch to lid 5 sides.
Each main body side connecting portion 15 have from the outstanding laterally a pair of protrusion tab 16 of the main body surrounding wall portion 8 of main body 2 and and the outstanding end of a pair of protrusion tab 16 between bonded assembly flexure strip 17.
A pair of protrusion tab 16 rectangular shapeds are outstanding laterally from main body surrounding wall portion 8 in the mode of the opposite face 23 mutual almost parallels of adjacent each protrusion tab 16.
The outstanding length of the protrusion tab 16a of hinge 4 nearsides (length from outstanding base portion to outstanding end) is shorter than the outstanding length of the protrusion tab 16b in hinge 4 distally.As shown in Figure 2, set the length of each protrusion tab 16a, 16b, so that connect the outstanding end flexure strip 17 each other and the S. A. core X almost parallel of hinge 4 of each protrusion tab 16.
Flexure strip 17 is used to connect between the outstanding end of a pair of protrusion tab 16, as described later can elastic deformation ground forms, so that at lid 3 during near handoff boundary position A, and can be towards lid side connecting portion 18 elastic deformations.
The lid surrounding wall portion 11 of lid 3 is provided with the left and right sides that 18, two lids of two lid side connecting portions (connecting portion) side connecting portion 18 is configured in hinge 4 respectively.Lid side connecting portion 18 is formed by synthetic resin etc., overlooks down, forms roughly コ font.In addition, lid side connecting portion 18 is integrally formed with lid surrounding wall portion 11.Lid side connecting portion 18 forms elastically, so that as described later near the handoff boundary position A of another the distolateral burden that alleviates elastic body 5 time, can stretch to main body 2 sides.
Each lid side connecting portion 18 have from cover the outstanding laterally a pair of protrusion tab 19 of 3 lid surrounding wall portion 11 and and the outstanding end of a pair of protrusion tab 19 between bonded assembly flexure strip 20.
A pair of protrusion tab 19 rectangular shapeds are outstanding laterally from lid surrounding wall portion 11 in the mode of the opposite face 24 mutual almost parallels of each adjacent protrusion tab 19.
The outstanding length distance hinge 4 of the protrusion tab 19a of hinge 4 nearsides is shorter than the length of the protrusion tab 19b in hinge 4 distally.As shown in Figure 2, set the length of each protrusion tab 19a, 19b, so that connect the S. A. core X almost parallel of flexure strip 20 and hinge 4 of the outstanding end of each protrusion tab 19.
Flexure strip 20 is used to connect between the outstanding end of a pair of protrusion tab 19, and can elastic deformation ground forms, so as described later lid 3 during near handoff boundary position A towards main body side connecting portion 15 elastic deformations.
Shown in Fig. 2,3, will cover side connecting portion 18 and main body side connecting portion 15 is arranged on the cooresponding position, so that when lid 3 is opened fully, the lateral surface 22 of the flexure strip 20 of lid side connecting portion 18 is relative with the lateral surface 21 of the flexure strip 17 of main body side connecting portion 15
Elastic body 5 when open-close lid 3 with lid 3 position accordingly to opening direction or closing direction applies elastic force, form rectangle by utilizing synthetic resin etc.Elastic body 5 can freely stretch, so as from bend to roughly V word shape or roughly the state of ㄑ word shape begin to extend, form roughly linearity.
Elastic body 5 is arranged between main body 2 and the lid 3, is configured in the both sides of hinge 4 in the same manner with main body side connecting portion 15 and lid side connecting portion 18.
One of elastic body 5 distolaterally is connected with main body side connecting portion 15, and another is distolateral to be connected with lid side connecting portion 18.Details is, Width (left and right directions) integral body of one end of elastic body 5 spreads all over the Width of the flexure strip 17 of main body side connecting portion 15 integrally installs, and the Width integral body of the other end of elastic body 5 spreads all over the Width of the flexure strip 20 that covers side connecting portion 18 and integrally installs.
Below, the effect of opening effect, main body side connecting portion 15 and the lid side connecting portion 18 of the elastic body 5 that covers at 3 o'clock from closed condition is described.
Shown in Fig. 5,6, if will cover 3 rotates to gradually from closed condition and to open direction, then covering 3 rotates around hinge S. A. core X, therefore along with lid 3 leaves off position, can increase gradually from the distance of outstanding end to the outstanding end of covering side connecting portion 18 of main body side connecting portion 15, the both ends of elastic body 5 will be stretched in view of the above, and elastic body 5 little by little stretches, and suppress to closing direction and cover 3 strength and can increase gradually.And if lid 3 arrival are positioned at the handoff boundary position A of the middle part that opens and closes rotation, then outstanding end to the distance of covering side connecting portion 18 outstanding ends from main body side connecting portion 15 reaches maximum, so the stretching, extension of elastic body 5 reaches maximum.So, reach the maximum moment in the stretching, extension of elastic body 5, it is maximum that the elastic force of elastic body 5 reaches, and elastic body is in to extend and is the roughly state of linearity.
If lid 3 surpasses handoff boundary position A, arrives the position of opening fully, then the elastic force direction of elastic body 5 can reverse (suppressing direction switches), and elastic body 5 will suppress and cover 3 to opening direction.
Along with lid 3 near the positions of opening fully (lid 3 leave from handoff boundary position A), reduce gradually from the distance between outstanding end to the outstanding end of covering side connecting portion 18 of main body side connecting portion 15, elastic body 5 little by little shrinks, and suppresses and covers 3 elastic force and will reduce to opening direction.And if lid 3 is opened fully, then the elastic force of elastic body 5 disappears, and keeps covering 3 open mode.
So, the constituting of elastic body 5: when lid 3 more is positioned at the off position side than handoff boundary position A, suppresses to closing direction and cover 3, simultaneously, covering 3 when more being positioned at open position side (fully open position side), suppress and cover 3 to opening direction than handoff boundary position A.
As mentioned above, along with lid 3 near handoff boundary position A, elastic body 5 will stretch, but along with the stretching, extension of elastic body 5, the flexure strip 17 of main body side connecting portion 15 is elastic deformation laterally, simultaneously, the flexure strip 20 that covers side connecting portion 18 is elastic deformation laterally.
Promptly, along with covering 3 near handoff boundary position A, to increase gradually from the distance of outstanding end to the outstanding end of covering side connecting portion 18 of main body side connecting portion 15, elastic body 5 will stretch, but stretching, extension along with elastic body 5, the flexure strip 17 of main body side connecting portion 15 will carry out circular-arc (central part expansion) elastic deformation gradually towards lid side connecting portion 18, simultaneously, stretching, extension along with elastic body 5, the flexure strip 20 of lid side connecting portion 18 will carry out circular-arc elastic deformation (central part expansion) gradually towards main body side connecting portion 15, will relax the stretching, extension of elastic body 5 with this.
If further describe the elastic deformation of the flexure strip 17,20 of main body side connecting portion 15 and lid side connecting portion 18, then when lid 3 is positioned at off position or fully open position, flexure strip 17,20 is normal condition (do not carry out the state of elastic deformation, it is shaped as roughly V word shape or roughly ㄑ word shape).And along with covering 3 near handoff boundary position A, flexure strip 17,20 is incited somebody to action gradually elastic deformation laterally, and when lid 3 was positioned at handoff boundary position A, the elastic deformation amount of flexure strip 17,20 was maximum.On the contrary, along with leaving from handoff boundary position A, the elastic deformation amount of flexure strip 17,20 will reduce gradually.
More than, according to hinged cover 1, along with covering 3 near handoff boundary, elastic body 5 will stretch, and 3 apply elastic force to lid, be accompanied by the flexure strip 17 of stretching, extension main body side connecting portion 15 of elastic body 5 and the flexure strip 20 of lid side connecting portion 18 on the other hand and will produce elastic deformation, so can relax the stretching, extension of elastic body 5, minimizing is to two burdens that the end applies of elastic body 5, even long-term open-close lid 3 also is difficult to produce the fracture of two ends of elastic body 5.
In addition, be accompanied by the stretching, extension of elastic body 5, flexure strip 17,20 is elastic deformation laterally, but owing to restoring force also will act on these flexure strips 17,20 a little, so, even utilize flexure strip 17,20, also can apply elastic force.
In addition, owing to utilize flexure strip 17,20 that the outstanding end of a pair of protrusion tab 16,19 is connected, with this main body side connecting portion 15 and lid side connecting portion 18 are formed roughly コ font, thus can strengthen main body 2 and cover 3 with the connecting bridge of elastic body 5, improve the durability of connecting bridge.
Second embodiment of Fig. 7,8 expressions hinged cover of the present invention.This hinged cover 1, the outstanding length setting of the protrusion tab 16,19 of its main body side connecting portion 15 and lid side connecting portion 18 is certain length.
Detailed description is, main body side connecting portion 15 have from the outstanding laterally a pair of protrusion tab 16 of the main body surrounding wall portion 8 of main body 2 and and the outstanding end of this a pair of protrusion tab 16 between bonded assembly flexure strip 17, its length is set, the outstanding length (length from outstanding base portion to outstanding end) of adjacent protrusion tab 16a, 16b of the left and right sides is equated.The end face 26 of the outstanding end of protrusion tab 16 forms circular-arc along the main body surrounding wall portion 8 (outer peripheral face of main body 2) of main body 2.The end face 27 of flexure strip 17 forms circular-arc along the main body surrounding wall portion 8 (outer peripheral face of main body 2) of main body 2.Clamping hinge 4 will be disposed at the outstanding length setting of each protrusion tab 16a, 16b of two main body side connecting portions 15 of the left and right sides for certain.
So the outstanding end of main body side connecting portion 15 is certain along main body surrounding wall portion 8 with respect to the outstanding ratio of main body side connecting portion 15 single-pieces of main body surrounding wall portion 8.
As shown in Figure 8, in a pair of protrusion tab 16, the width up and down of the protrusion tab 16a of hinge 4 nearsides is greater than the width up and down of the protrusion tab 16b in hinge 4 distally, and the relative portion side of flexure strip 17 forms skewed in the mode that reduces along with the width up and down that leaves hinge 4 flexure strips 17.
Lid side connecting portion 18 has: from cover the outstanding laterally a pair of protrusion tab 19 of 3 lid surrounding wall portion 11 and and the outstanding end of this a pair of protrusion tab 19 between bonded assembly flexure strip 20, its length is set, so that the outstanding length of adjacent protrusion tab 19a, the 19b in the left and right sides (length from outstanding base portion to outstanding end) equates mutually.The end face 28 of the outstanding end of protrusion tab 19 forms circular-arc in the mode along lid 3 lid surrounding wall portion 11 (outer peripheral face of lid 3).The end face 29 of flexure strip 20 forms circular-arc in the mode along lid 3 lid surrounding wall portion 11 (outer peripheral face of lid 3).Clamping hinge 4 is certain with two outstanding length settings that cover protrusion tab 19a, the 19b of side connecting portions 18 that are configured in both sides.
So the outstanding end of lid side connecting portion 18 is certain along lid surrounding wall portion 11 with respect to the outstanding ratio of lid side connecting portion 18 single-pieces of lid surrounding wall portion 11.
As shown in Figure 8, in a pair of protrusion tab 19, the width up and down of the protrusion tab 19a of hinge 4 nearsides is greater than the width up and down of the protrusion tab 19b in hinge 4 distally, and the relative portion side of flexure strip 20 is with along with leaving hinge 4, and the mode that the width up and down of flexure strip 20 can reduce forms skewed.Other structures are identical with first embodiment.
Fig. 9 represents the 3rd embodiment of hinged cover of the present invention.This hinged cover 1, its main body side connecting portion 15 and lid side connecting portion 18 form roughly L word shape overlooking under the state.
Main body side connecting portion 15 has from the outstanding laterally protrusion tab 16 of main body 2 and the outstanding end bonded assembly flexure strip 17 of an end and protrusion tab 16, and another of flexure strip 17 is distolateral to be free end.
Lid side connecting portion 18 has from covering 3 protrusion tabs of giving prominence to laterally 19 and the outstanding end bonded assembly flexure strip 20 of an end and protrusion tab 19, and the other end of flexure strip 20 is a free end.
And, an end of elastic body 5 is installed on the flexure strip 20 of main body side connecting portion 15, cover the other end that elastic body 5 is installed on the flexure strip 20 of side connecting portion 18 again.Other structures are identical with first embodiment.
So, along with covering 3 near handoff boundary position A, distance till the outstanding end from the outstanding end of main body side connecting portion 15 to lid side connecting portion 18 can increase gradually, elastic body 5 will stretch, but be accompanied by the stretching, extension of this elastic body 5, the flexure strip 17 of main body side connecting portion 15 can be 18 skewed gradually towards lid side connecting portion elastic deformation (distolaterally comparing another distolateral will giving prominence to laterally) with one of flexure strip 17, simultaneously, the flexure strip 20 of lid side connecting portion 18 will be skewed gradually towards main body side connecting portion 15 elastic deformation (distolaterally comparing another distolateral will giving prominence to laterally) with one of flexure strip 20, so, will relax two pulling force that the end applies to elastic body 5.
And, though another of flexure strip 17 is distolateral as free end, also can be connected with hinge 4 grades another of this flexure strip 17 is distolateral.
Figure 10 represents the 4th embodiment of hinged cover of the present invention.The main body 2 of this hinged cover 1 has formed end rectangular shape, so that can hold contents such as cosmetics in the inside of this main body 2, simultaneously, lid 3 forms rectangular shape in top single-piece mode that can main body covered 2.
Detailed description is, main body 2 forms rectangular shape, has peristome 30, and the main body surrounding wall portion 8 that has the main body bottom wall portion and erect from the edge portion of these main body 2 bottom wall portion.The left and right sides central portion of main body surrounding wall portion 8 is provided with main body side connecting portion 15.
Lid 3 forms rectangular shape, the lid surrounding wall portion 11 that has the bottom wall portion covered and erect from the edge portion of this lid bottom wall portion.The left and right sides central portion of lid surrounding wall portion 11 is provided with and covers side connecting portion 18.
Left and right directions both sides between main body 2 and lid 3 dispose hinge 4, are connected with an end of hinge 4 on the two ends of main body surrounding wall portion 8, are connected with the other end of hinge 4 at the two ends of lid surrounding wall portion 11.
Therefore, in the hinged cover 1 of present embodiment, main body 2 itself be one can the splendid attire cosmetics etc. the container of content, cover 3 by opening, the content that can take out the containers from peristome 30.
The present invention is not limited to above-mentioned embodiment.Promptly, hinged cover 1 of the present invention comprises the device that is installed on the container body 6 like that and is used to open and close the oral area of container body 6 shown in the 1st~the 3rd embodiment, perhaps possess the device of the container of article-containing in hinged cover 1 itself shown in the 4th embodiment like that.
In the above-described embodiment, though the mode with opposite face 23 almost parallels of a pair of protrusion tab 16 of adjacency forms protrusion tab 16, but not necessarily need these opposite face 23 almost parallels, for example, also can have a down dip to the mode of Ha font roughly forms protrusion tab 16 overlooking with opposite face 23, perhaps sweeping mode forms protrusion tab 16 overlooking down with opposite face 23.In addition, in embodiment, though the mode with adjacent opposite face 24 almost parallels of a pair of protrusion tab 19 forms protrusion tab 19, but it is identical with above-mentioned opposite face 23, these opposite faces 24 also not necessarily will form parallel, also can form skewed these opposite faces 24 or bending in the same manner with above-mentioned opposite face 23.
In the above-described embodiment, two connecting portions 15,18 of main body side connecting portion 15 and lid side connecting portion 18 are set to retractable, so that can stretch during near handoff boundary position A at lid 3, but replace this form, at least one side that also can two connecting portions 15,18 is set to and can freely stretches.
In this case, can be with the end and the main body 2 of connecting portion 15, the 18 cooresponding elastic bodys 5 that do not stretch or cover 3 direct connections.

Claims (4)

1. hinged cover, upward be connected with lid (3) rotatably in main body (2) via hinge (4) switching, between main body (2) and lid (3), be connected with elastic body (5), and be provided with the handoff boundary position (A) of the middle part that is positioned at above-mentioned switching rotation, when covering (3) near above-mentioned handoff boundary position (A), by stretching, stretch the both end sides of above-mentioned elastic body (5), when lid (3) is positioned at than handoff boundary position (A) more close off position side, to cover (3) by above-mentioned elastic body (5) suppresses to the direction of closing, simultaneously, when lid (3) is positioned at than handoff boundary position (A) more close open position side, should cover (3) by above-mentioned elastic body (5) suppresses to opening direction, it is characterized in that
On at least one side's side of aforementioned body (2) or lid (3) side, with above-mentioned elastic body (5) split be provided with the connecting portion (15,18) of the end side that is used to be connected above-mentioned elastic body (5), owing to lid (3) causes near handoff boundary position (A) that the end side of elastic body (5) is stretched, when above-mentioned elastic body (5) stretches, above-mentioned connecting portion (15,18) is to the direction distortion of the stretching, extension of the end side that relaxes this elastic body (5).
2. hinged cover, upward be connected with lid (3) rotatably in main body (2) via hinge (4) switching, between main body (2) and lid (3), be connected with elastic body (5), and be provided with the handoff boundary position (A) of the middle part that is positioned at above-mentioned switching rotation, when covering (3) near above-mentioned handoff boundary position (A), by stretching, stretch the both end sides of above-mentioned elastic body (5), when lid (3) is positioned at than handoff boundary position (A) more close off position side, to cover (3) suppresses to the direction of closing by above-mentioned elastic body (5), simultaneously, when lid (3) is positioned at than handoff boundary position (A) more close open position side, to cover (3) by above-mentioned elastic body (5) suppresses to the direction of opening, it is characterized in that
With above-mentioned elastic body (5) split be provided with and on main body (2), be connected the distolateral main body side connecting portion (15) of above-mentioned elastic body (5), and with above-mentioned elastic body (5) split be provided with another the distolateral lid side connecting portion (18) that is connected above-mentioned elastic body (5) at lid on (3), distolateral and another distolateral being stretched that causes elastic body (5) near handoff boundary position (A) owing to lid (3), when above-mentioned elastic body (5) stretched, main body side connecting portion (15) and lid side connecting portion (18) were out of shape to a direction distolateral and stretching, extension that another is distolateral that relaxes this elastic body (5).
3. hinged cover as claimed in claim 2, it is characterized in that, aforementioned body side connecting portion (15) have from the outstanding laterally a pair of protrusion tab (16) of main body (2), and the outstanding end of this a pair of protrusion tab (16) between bonded assembly flexure strip (17), above-mentioned lid side connecting portion (18) have from the outstanding laterally a pair of protrusion tab (19) of lid (3), and the outstanding end of this a pair of protrusion tab (19) between bonded assembly flexure strip (20)
On the one distolateral flexure strip (17) that is installed in main body side connecting portion (15) of above-mentioned elastic body (5), simultaneously, another distolateral being installed on the flexure strip (20) that covers side connector (18),
The flexure strip (17) of aforementioned body side connecting portion (15) elastic deformation ground freely forms, so that at above-mentioned lid (3) during near handoff boundary position (A), towards lid side connecting portion (18) elastic deformation, the flexure strip (20) of lid side connecting portion (18) elastic deformation ground freely forms, so that at above-mentioned lid (3) during near handoff boundary position (A), towards main body side connecting portion (15) elastic deformation.
4. hinged cover as claimed in claim 2, it is characterized in that, aforementioned body side connecting portion (15) has from the outstanding end bonded assembly flexure strip (17) of the outstanding laterally protrusion tab (16) of main body (2) and distolateral and this protrusion tab (16), above-mentioned lid side connecting portion (18) has from the outstanding end bonded assembly flexure strip (20) of the outstanding laterally protrusion tab (19) of lid (3) and distolateral and this protrusion tab (19)
On the one distolateral flexure strip (17) that is installed in main body side connecting portion (15) of above-mentioned elastic body (5), simultaneously, another distolateral being installed on the flexure strip (20) that covers side connector (18),
Flexure strip (17) the elastically deformable ground of aforementioned body side connecting portion (15) forms, so that at above-mentioned lid (3) during near handoff boundary position (A), towards lid side connecting portion (18) elastic deformation, flexure strip (20) the elastically deformable ground of lid side connecting portion (18) forms, so that at above-mentioned lid (3) during near handoff boundary position (A), towards main body side connecting portion (15) elastic deformation.
CN200510118791A 2005-10-31 2005-10-31 Hinged Cover Active CN100590035C (en)

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CN100590035C true CN100590035C (en) 2010-02-17

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CN102941965B (en) * 2012-11-22 2015-07-29 中山环亚塑料包装有限公司 A kind of Double-layer flexible cover
IL232034A (en) * 2014-04-09 2015-01-29 Yotam Behar Cap having a multi-mirrored closure assembly

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1132166A (en) * 1994-10-13 1996-10-02 欧文斯-伊利诺伊封闭物有限公司 Closure with snap-type hinge cap
JP3287973B2 (en) * 1994-02-15 2002-06-04 株式会社吉野工業所 Snap hinge cap

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3287973B2 (en) * 1994-02-15 2002-06-04 株式会社吉野工業所 Snap hinge cap
CN1132166A (en) * 1994-10-13 1996-10-02 欧文斯-伊利诺伊封闭物有限公司 Closure with snap-type hinge cap

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