CN101372274B

CN101372274B - Expanding bottle stopper

Info

Publication number: CN101372274B
Application number: CN 200710143038
Authority: CN
Inventors: 林森义
Original assignee: SHUANLEDUO BOTTLE PLUG CO Ltd
Current assignee: SHUANLEDUO BOTTLE PLUG CO Ltd
Priority date: 2007-08-21
Filing date: 2007-08-21
Publication date: 2010-08-18
Anticipated expiration: 2027-08-21
Also published as: EP2028121A2; EP2028121A3; CN101372274A

Abstract

The invention relates to an expanding bottle cork which is composed of a main body, an elastic body component and a mobile component which can drive the main body to do longitudinal shift. By using the mobile component to drive the main body to do a first section of the longitudinal shift, the expanding bottle cork can cause the elastic body to do radial expansion; in addition, by utilizing the mobile component to drive the main body to do a second section of the longitudinal shift, the expanding bottle cork can cause the elastic body to do radial shrinkage. In the expanding bottle cork disclosed by the invention, a connecting sheet of the main body is annularly arranged in a radial way, therefore, the connecting sheet can do radial expansion; in this way, good sealing effect between the bottle cork and an opening of a vessel can be achieved, furthermore, the cost can be lowered due to the simple structure of the bottle cork.

Description

Expanding bottle stopper

Technical field

The present invention relates to a kind of bottle stopper, particularly relate to a kind of expanding bottle stopper that can make radial dilatation or radial shrinkage.

Background technology

Liquid such as general vinegar, oil, spirits and grape drinks are for convenience in market sale, its usually with the bottle of glass or ceramic or urn as container.During bottling, this liquid can be infused in this container, and fills in opening part at this container by a stopper, in order to this closure of openings.Textural, the external diameter of this stopper must be designed to be slightly larger than the internal diameter of opening at least, like this, at this stopper shaft to filling in behind this aperture position, just can guarantee the mutual driving fit of inwall of the outer wall and the opening of this stopper, and this stopper is resisted press in high in this container and do not deviate from, so that preserve various liquid in the container for a long time.

Traditionally, the sealing mode of this vessel port has: the crown cap that adopts screw thread to screw mode carries out airtight, and the bottle stopper that adopts cork to make is sealed drinks up for safekeeping, and the stopper made from compressibility materials such as rubber is in order to seal this vessel port.

Wherein, when adopting crown cap to come the leakproof tank opening, the obturation effect when this lid is used for long term storage is not good, and is the needs of volume production, and maker need dispose expensive sealing machine equipment; If the bottle stopper that adopts cork to make is sealed drinks up for safekeeping, because this cork need be immersed in this liquid, otherwise breakdown and chip problem such as drop in this liquid can appear in the stopper of this cork, and the bottle stopper that this cork is made also only is useful in the grape wine class I liquid I, for other liquid such as liquor and be not suitable for using.

In addition, the TaiWan, China that the applicant applied for is invented " bottle stopper " patents of invention such as No. 146608 and No. 164257, when disclosing a bottle stopper and being used for the envelope bottle, at first axially presses down this compression leg, radially outward expands with the enlarged portion that forces this body.Then, related this elastomeric perisporium that forces of the enlarged portion of this body is radially outward expanded, thereby closely is connected to bottle, finishes the action of envelope bottle.

The existing bottle stopper structure that other is relevant, in addition can be with reference to the U.S. the 2nd, 021, No. 259 " bottle sealing member (Bottle Closure) ", the 2nd, 718, No. 974 " expanding bottle stopper (Expansion Stopper) ", the 3rd, 430, No. 777 " the tool total head is made the thief-proof bottle cap (Pilferproof Cap withIntergral Pressure Actuated Sealing Means) of dynamic sealing device ", the 3rd, 638, No. 821 " Bottle ﹠ Cans, the seal construction of container (Closure for Bottles and Similar Containers) ", the 3rd, 926, No. 329 " Plastic bottle plug of the bubble drinks bottle of tool enlarged portion (Stopper of Plastics Having anExpansible Portion for Bottles for Sparkling Wines and the Like) ", the 4th, 902, No. 270 " centrifugal body (Centrifuge Tube) ", the 5th, 722, No. 548 " Cork as a stopper of wine bottle (Cork Stopper for Bottles of Wine) ", the 5th, 732, No. 837 " can reduce the pressure release glass bottle seal construction (Vented Vial Closure Member forFreeze-Drying which Mimimizes Contamination of Freeze-Dried Products) of lyophilisation inclusion pollution ", disclose No. 2004/0112856 " bottle stopper (Bottle Stopper) ", Britain the 2nd, 190, No. 072 " sealing arrangement of champagne bottle (Closing Device for Bottles of Champagne and theLike) ", France the 2nd, 572, " can repeat the bottle stopper of sealing use No. 719, the bottle stopper of carbonated beverage bottle (Resealing Stopper, Particularly for Gassy Beverages) particularly ", No. 2004/522660 " bottle stopper (Bottle Stopper) " of Japan, European Union No. 1377506 " bottle stopper (BottleStopper) " and No. 02/083515 patents such as " bottle stopper (Bottle Stopper) " of PCT.

Another existing bottle stopper structure, as No. 327412 " structural improvement of bottle stopper " novel patent of TaiWan, China, it discloses a bottle stopper and has comprised a body of rod, and upwards wearing an elastic body, a block, a packing ring and a bottle cap in regular turn by this body of rod, the outside face in this bottle cap articulates a pull piece at last.By axially pulling this pull piece downwards,, make the bottom of this body of rod axially upwards oppress this elastic body and radially outward expand axially upwards to spur the bottom of this body of rod.Like this, under this elastomeric axial length is compressed, this elastic body will produce bigger radial dilatation degree, to promote the fiduciary level of envelope bottle.Yet the envelope bottle action of above-mentioned bottle stopper is to realize by axially pulling this pull piece downwards, but business-like on the market full automaticity bottle capper platform only can carry out axial pressing action usually.Simultaneously, this pull piece is set on this bottle cap, also causes this bottle cap can't be additionally in conjunction with the required trim of various bottles.

Another kind of existing bottle stopper structure, as No. 409703 " adjustable bottle stopper device " novel patent of TaiWan, China, it discloses a bottle stopper and has from top to bottom comprised a knob, an elastic body and an adjusting lever in regular turn.The bottom of this knob has the groove that is spirally connected, and the top of this adjusting lever has an outside thread.When this bottle stopper places the bottle mouth position of a bottle, by rotating this knob, this adjusting lever will axially move up, and axially upwards oppress this elastic body by the bottom of this adjusting lever and radially outward expand.Like this, under this elastomeric axial length was compressed, this elastic body can produce bigger radial dilatation degree equally, to promote the fiduciary level of envelope bottle.Yet the envelope bottle action of above-mentioned bottle stopper is to be reached by this knob of rotation, but market business-like full automaticity bottle capper platform only can carry out axial pressing action usually.In addition, in rotation during this knob, because the bottom of this adjusting lever is not resisted against the inwall of this bottleneck really, so this knob and adjusting lever form idle running in fact easily, so that it can't reach the envelope bottle effect of expection.In addition.This bottle stopper lacks the snaps into position structure, can't guarantee that this bottle stopper maintains suitable spiral lockup state.

Summary of the invention

Main purpose of the present invention provides a kind of expanding bottle stopper, and this bottle stopper can be made of the mobile member that body is done to vertically move a body, an elastomeric elements and.Utilize this mobile member to do first section vertically moving, make elastomeric elements make radial dilatation, make the inwall of its firm attachment, and the interior stored liquid of this container can be preserved for a long time, and its quality can not change in vessel port to body.

Secondary objective of the present invention provides a kind of expanding bottle stopper, and this bottle stopper can be made of the mobile member that body is done to vertically move a body, an elastomeric elements and.Utilize this mobile member to do second section vertically moving to body, make elastomeric elements make radial shrinkage, so that this bottle stopper can be is easily taken out by the opening of container, the liquid that is stored in the container can be toppled over, and this bottle stopper still the opening of container can be made time close property put the opening of plug at this container.

Still a further object of the present invention provides a kind of expanding bottle stopper, and this bottle stopper can be made of the mobile member that body is done to vertically move a body, an elastomeric elements and.Utilize this mobile member to do second section vertically moving to body, make elastomeric elements make radial shrinkage, this bottle stopper can be easily taken out by the opening of container, so that the liquid in the container can be toppled over, and the outward appearance of this bottle stopper can form destructive variation, make this bottle stopper can't be recovered use, have antiforge function.

Another object of the present invention provides a kind of expanding bottle stopper, and this bottle stopper can be made of the mobile member that body is done to vertically move a body, an elastomeric elements and.With this elastomeric elements and this body by integral forming, make this elastomeric elements and body member not have the problem of coming off.

For achieving the above object, the present invention adopts following technical scheme:

A kind of expanding bottle stopper, it comprises: a body, being provided with one takes over a business, this takes over a business to have a circular hole, be provided with several connecting straps by circlewise extension around this circular hole, respectively this connecting strap forms not gap of bonded assembly each other, and respectively this connecting strap is provided with an abutting part of protrusion respectively towards this circular hole direction; An elastomeric elements has the elastic body that appropriateness is stressed and the connecting strap that is bonded to this body outside; A mobile member, be provided with a cap head, and this cap head extends to form a mast to an end, this mast is provided with an abutting part and connects in order to the abutting part with this body, make this elastomeric elements of connecting strap pushing tow of this body make radial dilatation, and on this mast a snapping portion is arranged, the diameter of this snapping portion is less than the diameter of this abutting part, when the mast of this mobile member moves axially this body, the abutting part engaging of this snapping portion for this body makes this elastomeric elements make radial shrinkage.

A kind of expanding bottle stopper, it comprises: a body, be provided with a ringwall portion, this ringwall portion has a circular hole, be provided with several connecting straps by circlewise extension around this circular hole, respectively this connecting strap forms not gap of bonded assembly each other, and respectively this connecting strap is provided with an abutting part of protrusion respectively towards this circular hole direction; An elastomeric elements has the elastic body that appropriateness is stressed and the connecting strap that is bonded to this body outside; A mobile member, be provided with a round plate, and this round plate extends to form a mast to an end, this mast is provided with an abutting part and connects in order to the abutting part with body, makes this elastomeric elements of connecting strap pushing tow of this body make radial dilatation, and on this mast snapping portion is arranged, the diameter of this snapping portion is less than the diameter of this abutting part, when the mast of this mobile member moved axially this body, the abutting part engaging of this snapping portion for body made this elastomeric elements make radial shrinkage.

The present invention has improved the shortcoming that prior art exists, and wherein this bottle stopper comprises a body member, an elastomeric elements and one and can make the mobile member that vertically moves to body member.Utilize this mobile member to do first section vertically moving to body member, make elastomeric elements make radial dilatation, make it securely attached to the inwall of vessel port, and, utilize this mobile member to do second section vertically moving to body member, make elastomeric elements make radial shrinkage, so that this bottle stopper can be is easily taken out by the opening of container, liquid in the container can be toppled over, and in addition, the present invention also has antiforge function.

Description of drawings

Fig. 1: the three-dimensional exploded view of first embodiment of the invention.

Fig. 2: the combination situations section-drawing of first embodiment of the invention.

Fig. 3: first embodiment of the invention becomes expansion to use section-drawing.

Fig. 4: the three-dimensional exploded view of second embodiment of the invention.

Fig. 5: the combination situations cutaway view of second embodiment of the invention.

Fig. 6: second embodiment of the invention becomes expansion to use section-drawing.

Fig. 7: second embodiment of the invention becomes to open the situation section-drawing at bottleneck.

[main mark nomenclature]

1 body 11 is taken over a business 12 chassis, 13 connecting straps

15 gaps, 16 abutting parts, 17 perforation of 14 circular holes

2 elastomeric elements, 21 limbs, 22 projections, 23 air-guide grooves

3 mobile members, 31 masts, 32 abutting parts, 33 snapping portions

34 removal stop sections, 35 cap heads, 36 stopper sections, 4 bodies

41 ringwall portions, 42 chassis, 43 connecting straps, 44 circular holes

45 gaps, 46 abutting parts, 47 perforation, 5 elastomeric elements

51 limbs, 52 projections, 53 air-guide grooves, 6 mobile members

61 masts, 62 abutting parts, 63 snapping portions, 64 outer portion

65 round plates, 66 connecting portions

The specific embodiment

For above-mentioned and other purpose, feature and advantage of the present invention can be become apparent, hereinafter with the preferred embodiments of the present invention, and conjunction with figs., be described in detail below.

Please refer to shown in Figure 1, it is the expanding bottle stopper of first preferred embodiment of the invention, form a bottle stopper or its resemblance jointly by a body 1, an elastomeric elements 2 and a mobile member 3, be used for the container that materials such as seal glass, pottery, porcelain, urn or metal are made.

Referring again to shown in Figure 1, this body 1 can utilize injection molding method to make by inert materials such as plastics, this body 1 has and is provided with one of a circular hole 14 and takes over a business 11, and be provided with several connecting straps 13 by circlewise extension around this circular hole 14, in the middle of present embodiment, these connecting strap 13 eight of formation are comparatively suitable.This connecting strap 13 forms not bonded assembly gap 15 each other, and this connecting strap 13 each be provided with the abutting part 16 of protrusion towards circular hole 14 directions, in the middle of present embodiment, this abutting part 16 is directly outstanding towards circular hole 14 directions by outer walls of connecting strap 13; One end of each connecting strap 13 is connected with a chassis 12, can make each connecting strap 13 have preferable intensity by this chassis 12.

This elastomeric elements 2 can be by rubber, or make by the foaming mode with rubber and plastic or other material, this elastomeric elements 2 is become have the elastic body that appropriateness is stressed, in the middle of present embodiment, this elastomeric elements 2 forms tubular, and can be combined in connecting strap 13 outsides of body 1.And, this elastomeric elements 2 and body 1 can also be with the moulding of one-body molded mode, make the limb 21 of this elastomeric elements 2 can fill out the gap 15 that is attached to body 1, and the projection 22 at these elastomeric elements 2 tops can be entrapped in the position of 11 perforation of reserving 17, so can form firm combining between this elastomeric elements 2 and the body 1, and can not come off; The outer wall of this elastomeric elements 2 is provided with several air-guide grooves 23, and this elastomeric elements 2 is inserted when the opening of container, and the gas in this container can be discharged from.

This mobile member 3 can utilize the mode of ejection formation to make by inert materials such as plastics, this mobile member 3 extends a mast 31 by a larger area cap head to an end, this cap head 35 can be the face shaping of bottle stopper, or is combined with the lid of materials such as metal, pottery, porcelain, wood or glass by this cap head 35.This mast 31 can be inserted in the circular hole 14 of body, mast 31 is provided with abutting part 32, this abutting part 32 can connect with the abutting part 16 of body 1, but make the connecting strap 13 pushing tow elastomeric elements 2 of this body 1 make radial dilatation, this mast 31 is provided with a snapping portion 33, the diameter of this snapping portion 33 is less than the diameter of this abutting part 32, when 31 pairs of bodies 1 of mast of this mobile member 3 move axially, this snapping portion 33 can make this elastomeric elements 2 make radial shrinkage for abutting part 16 engagings of body 1; When being inserted in body 1 and moving axially for the mast 31 that makes this mobile member 3, can stop at a preset distance, be provided with stopper section 36 in this cap head 35, take over a business 11, make moving of 3 pairs of bodies 1 of this mobile member at certain distance by what this stopper section 36 was connected to body 1; And the end of this mast 31 is formed with removal stop section 34, makes this mobile member 3 can not deviate from body 1, and further, when the diameter of this removal stop section 34 during greater than the diameter of this abutting part 32, this effect that prevents that mobile member 3 from deviating from is better.

Please read shown in Figure 2, its be this first embodiment stopper in conjunction with the time situation, this mobile member 3 is chimeric for the set abutting part of the connecting strap 13 of bodies 1 16 by snapping portion 33, therefore, the diameter of this elastomeric elements 2 becomes the not less diameter state that remains on of expansion, at this moment, this stopper can be easy to insert in the opening of container, or is taken out by the opening of this container.

Please read shown in Figure 3, in the time will making this stopper closely with the closure of openings of this container, it can utilize external force to make 3 pairs of bodies of this mobile member 1 do first section moving axially, in the middle of present embodiment, this mobile member 3 presses down mobile (according to drawing) to body 1, therefore, the abutting part 32 of this mast 31 connects with the connecting strap 13 set abutting parts 16 of body 1, so each connecting strap 13 of this body 1 the expansion of radiation direction, make 2 one-tenth expansions radially of this elastomeric elements, make the opening of container become sealing closely.

In the time this stopper will being taken out by the opening of container, it can do second section moving axially with 3 pairs of bodies of this mobile member 1, in the middle of present embodiment, 3 pairs of bodies of this mobile member 1 are done to draw mobile (as shown in the figure), therefore, the snapping portion 33 of this mast 31 and connecting strap 13 set abutting part 16 tablings (as shown in Figure 2) of body 1, therefore, this elastomeric elements 2 is made radial shrinkage according to the elasticity of itself, what make that the diameter of this elastomeric elements 2 becomes not expansion remains on one than the minor diameter state, at this moment, this stopper can be easy to be taken out by the opening of this container.

Please read shown in Figure 4, it is the second embodiment of the present invention, in the middle of present embodiment, this bottle stopper is by body 4, members such as elastomeric elements 5 and mobile member 6 constitute, this body 4 can utilize the mode of ejection formation to make by inert materials such as plastics, this body 4 is provided with a ringwall portion 41, this ringwall portion 41 can form the face shaping of this bottle stopper, or by this ringwall portion 41 and metal, make pottery, porcelain, the lid of material such as wood or glass combines, be provided with a circular hole 44 in this ringwall portion 41, and by several connecting straps 43 that is equipped with that become to extend around this circular hole 44, this connecting strap 43 forms not bonded assembly gap 45 each other, and this connecting strap 43 respectively is provided with the abutting part 46 of protrusion towards circular hole 44 directions, and in the middle of present embodiment, this abutting part 46 is directly outstanding towards circular hole 44 directions by connecting strap 43 outer walls; One end of each connecting strap 43 is connected with a chassis 42, can make each connecting strap 43 have preferable intensity by this chassis 42.

This elastomeric elements 5 can be by rubber, or make by the foaming mode with rubber and plastic or other material, this elastomeric elements 5 is become have the elastic body that appropriateness is stressed, in the middle of present embodiment, connecting strap 43 outsides that this elastomeric elements 5 forms tubular and can be combined in body 4.And this elastomeric elements 5 can also be with integrated mode moulding with body 4, make the limb 51 of this elastomeric elements 5 can fill out the gap 45 that is attached to body 4, and the projection 52 at these elastomeric elements 5 tops can be entrapped in perforation 47 positions that ringwall portion 41 is reserved, so can form firm combining between this elastomeric elements 5 and the body 4, and can not come off; The outer wall of this elastomeric elements 5 is provided with several air-guide grooves 53, and when making this elastomeric elements 5 insert the opening of container, the gas in this container can be discharged from.

This mobile member 6 can utilize the mode of ejection formation to make by inert materials such as plastics, this mobile member 6 extends a mast 61 by a larger area round plate 65 to an end, and this round plate 65 can also combine with the lid of materials such as metal, pottery, porcelain, wood or glass.This mast 61 can be inserted in the circular hole 44 of body 4, mast 61 is provided with abutting part 62, this abutting part 62 can connect with the abutting part 46 of body 4, but make the connecting strap 43 pushing tow elastomeric elements 5 of this body 4 make radial dilatation, the snapping portion 63 of one ring than the path body arranged on this mast 61, when 61 pairs of bodies 4 of mast of this mobile member 6 move axially, this snapping portion 63 can engage with the abutting part 46 of body 4, make this elastomeric elements 5 make radial shrinkage, and the radial shrinkage of this elastomeric elements 5, can design by the diameter difference of snapping portion 63 and mast 61 itself, make the external diameter of this elastomeric elements 5 be designed in a preliminary dimension.Further, in the middle of present embodiment, round plate 65 outer circumferential sides of this mobile member 6 are established an

outer portion

64,65 of this outer portion 64 and round plates are connected by several connecting portions that can rupture 66, when 61 pairs of bodies 4 of mast of mobile member 6 axially press down when mobile, this outer portion 64 is ruptured by connecting portion 66 with round plate 65, this outer portion 64 and round plate 65 are broken away from, this mobile member 6 then formation sinks within the ringwall portion 41 of body 4, and because the abutting part 46 of this body 4 is entrapped in the snapping portion 63 on this mast 61, so this mobile member 6 can't become reset movement.

Please read shown in Figure 5, its be the stopper of this second embodiment become in conjunction with and pressed situation when using as yet by envelope, this mobile member 6 can be made the free state inserting or take out to body 4.

Please read shown in Figure 6, in the time will making this stopper closely with the closure of openings of this container, it can make 6 pairs of bodies of this mobile member 4 do first section moving axially by external force, in the middle of present embodiment, 6 pairs of bodies 4 of this mobile member press down mobile (as shown in the figure), make the outer portion 64 of this mobile member 6 and round plate 65 amplexiform ringwall portion 41 tops at body 4, at this moment, the abutting part 62 of this mast 61 connects with the connecting strap 43 set abutting parts 46 of body 4, so each connecting strap 43 of this body 4 the expansion of radiation direction, make 5 one-tenth expansions radially of this elastomeric elements, make the opening of container form sealing closely.

Please refer to Fig. 6, shown in 7, in the time this stopper will being taken out by the opening of container, it is mobile that it can do second section axially press down with 6 pairs of bodies of this mobile member 4, at this moment, the outer portion 64 of this mobile member 6 is ruptured by its connecting portion 66 with round plate 65, and this round plate 65 sinks in the ringwall portion 41 of body 4, and set abutting part 46 tablings on the snapping portion 63 of this mast 61 and the connecting strap 43 of body 4, therefore, this mobile member 6 forms the destruction except that outer portion 64, and this mobile member 6 is also because snapping portion 63 and abutting part 46 tablings, this mobile member 6 can't be resetted, make this bottle stopper destroyed, and can't be recovered use, and then have antiforge function.When set abutting part 46 tablings of the connecting strap 43 of the snapping portion 63 of this mast 61 and body 4, this elastomeric elements 5 is made radial shrinkage according to the elasticity of itself, make this elastomeric elements 5 remain on one than the minor diameter state, at this moment, this stopper can be easily taken out by the opening of this container.Further, diameter after this elastomeric elements 2 shrinks, can be by snapping portion 63 diameters of mast 61, or the protrusion amount of the connecting strap 43 set abutting parts 46 of body 4 and designing, make diameter after this elastomeric elements 2 shrinks in a preliminary dimension, even the only little opening internal diameter greater than container of the diameter of this elastomeric elements 2, this bottle stopper still can be made sealing process to the opening of container.

In sum, expanding bottle stopper disclosed by the invention is done first section moving axially by mobile member to body, make this bottle stopper can form the expansion of diameter, and this diameter can be greater than the internal diameter of vessel port, make this elastomeric elements can be closely attached to the inwall of this vessel port, so that the storage thing in the container can obtain preferable sealing effectiveness; In addition, utilize this mobile member that body is done second section moving axially, so, this elastomeric elements can be made radial shrinkage, and this diameter can be set at a preliminary dimension, this bottle stopper can be made things convenient for and easily take out, or make this bottle stopper still can make sealing process the opening of container by the opening of container.

Expanding bottle stopper disclosed by the invention, the ring of the connecting strap radial of this body is established, therefore, this connecting strap can form radial expansion, and so the opening of bottle stopper and container has preferable sealing effectiveness, and this bottle stopper simple structure, therefore, cost also can reduce.

Claims

1. expanding bottle stopper is characterized in that it comprises:

A body, being provided with one takes over a business, this takes over a business to have a circular hole, be provided with several connecting straps by circlewise extension around this circular hole, respectively this connecting strap forms not bonded assembly gap each other, and respectively this connecting strap is provided with an abutting part of protrusion respectively towards this circular hole direction, and this body is provided with a chassis, and respectively an end of this connecting strap is connected in this chassis;

An elastomeric elements has the elastic body that appropriateness is stressed and the connecting strap that is bonded to this body outside;

A mobile member, be provided with a cap head, and this cap head extends to form a mast to an end, this mast is provided with an abutting part, connect in order to abutting part with this body, make this elastomeric elements of connecting strap pushing tow of this body make radial dilatation, and on this mast a snapping portion is arranged, the diameter of this snapping portion is less than the diameter of this abutting part, when the mast of this mobile member moves axially this body, this snapping portion engages with the abutting part of this body, makes this elastomeric elements make radial shrinkage.

2. expanding bottle stopper according to claim 1 is characterized in that, this elastomeric elements and the body mode of being formed in one are made.

3. expanding bottle stopper according to claim 1 is characterized in that, is provided with a stopper section in the cap head of this mobile member, this stopper section and this body take over a business to connect.

4. expanding bottle stopper according to claim 1 is characterized in that, the end of this mast is formed with a removal stop section, makes this mobile member can not break away from this body.

5. expanding bottle stopper is characterized in that it comprises:

A body, be provided with a ringwall portion, this ringwall portion has a circular hole, be provided with several connecting straps by circlewise extension around this circular hole, respectively this connecting strap forms not bonded assembly gap each other, and respectively this connecting strap is provided with an abutting part of protrusion respectively towards this circular hole direction, and this body is provided with a chassis, and respectively an end of this connecting strap is connected in this chassis;

A mobile member, be provided with a round plate, and this round plate extends to form a mast to an end, the abutting part that this mast is provided with an abutting part and body connects, make this elastomeric elements of connecting strap pushing tow of this body make radial dilatation, and this mast is provided with a snapping portion, the diameter of this snapping portion is less than the diameter of this abutting part, when the mast of this mobile member moves axially this body, the abutting part of this snapping portion and this body fastens, and makes this elastomeric elements make radial shrinkage.

6. expanding bottle stopper according to claim 5 is characterized in that, this elastomeric elements and the body mode of being formed in one are made.

7. expanding bottle stopper according to claim 5 is characterized in that, the round plate of this mobile member week side be provided with an outer portion, be connected with the connecting portion that can rupture between this outer portion and this round plate.

8. expanding bottle stopper according to claim 5 is characterized in that, when the snapping portion of this mobile member engages with the abutting part of this body, and the diameter the when diameter of this elastomeric elements is not expanded greater than this elastomeric elements.