CN201484805U - Bottle cap with safe back-off structure - Google Patents
Bottle cap with safe back-off structure Download PDFInfo
- Publication number
- CN201484805U CN201484805U CN2009202096624U CN200920209662U CN201484805U CN 201484805 U CN201484805 U CN 201484805U CN 2009202096624 U CN2009202096624 U CN 2009202096624U CN 200920209662 U CN200920209662 U CN 200920209662U CN 201484805 U CN201484805 U CN 201484805U
- Authority
- CN
- China
- Prior art keywords
- bottle cap
- lower cover
- bottle
- loam cake
- pad
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A bottle cap with a safe back-off structure comprises an upper cover and a lower cover, wherein the upper cover and the lower cover are connected through an easy-broken point or are transitionally connected through other components. The bottle cap is characterized in that the inner wall of the lower cover is at least provided with two back-off structures whose top portions are not on the same horizontal surface. The back-off structures whose top portions are on different horizontal surfaces have the advantages that the back-off structure on the lowermost end slides a locking hole hoop on a bottle under the condition that the pad on the upper end is not compressed or is justly pressed and the down stroke is small, thereby guaranteeing that the lower cover can not be screwed out with the upper cover when being opened. The back-off structure which is a little higher skims through the locking hole hoop on the bottle under the condition of getting a certain compression, the gap between the upper portion and the lower portion of the locking hole hoop is smaller after skimming through, when the bottle cap is upwards screwed, the condition that the easy-broken point is not broken and a bottle hole is released can not be caused.
Description
[technical field]
The utility model relates to a kind of bottle cap, especially a kind of bottle cap that cooperates with bottle with back-off.
[background technology]
The bottle cap that many bottles are arranged in the market is to cooperate with bottle by screw thread, bottle cap is divided into two parts up and down, connect with easy breakpoint up and down, the lower cover inboard has several to be in back-off on the same horizontal surface, and the diameter of the inboard circumference of living in of back-off is less than the diameter of bottle fore shaft hoop, the flexible pad of loam cake inside top, behind bottle cap screwing, the bottle cap back-off slips over the fore shaft hoop on the bottle, then opens, and pad compresses bottleneck with bottle seal.During unlatching, the lower cover back-off be because being subjected to stopping of fore shaft hoop can not screw out with loam cake, thereby stayed on the bottleneck, forms and opens sign.The defective of this structure is: because the top of back-off all is on the same horizontal surface, if the back-off tip position is on the low side, during assembling, back-off slips over the fore shaft hoop earlier, continues to be rotated down, and pad compresses the bottleneck sealing.After the sealing, between back-off and fore shaft hoop, can leave bigger gap, as bottle cap by on be threaded to the back-off top near the fore shaft hoop, and as if do not disconnect between the upper and lower covers, bottle cap remains an integral body from without, and bottle is not unlocked, but this moment, pad in the loam cake gets loose with bottleneck, has lost sealing function, causes a bottle interior fluid seepage, rotten.As preventing the appearance of this situation, the plane at place, back-off top will be raised, make pad during spiral cover when being pressed to a certain degree, back-off just slips over the fore shaft hoop.But so again another drawback can appear, be exactly when assembly manipulation personnel hand-power is less or tired, can not provide enough strength with gasket compression to making back-off slip over the degree of fore shaft hoop fully, at this moment, operating personal is thought and is screwed, finished assembling, but in fact, the back-off top does not slip over the fore shaft hoop.During unlatching, lower cover can be screwed out together with loam cake.The appearance of this possibility has stayed a complete bottle cap not only for the malice fake producer, is not discovered after also can causing bottle cap to be unscrewed, and causes bottle an interior fluid seepage, rotten, displacement and by the generation of adverse consequencess such as input foreign matter after being outwarded winding screws on again again.
[summary of the invention]
Technical problem to be solved in the utility model is to overcome existing defective in the above-mentioned prior art, and a kind of light assembling of both being convenient to is provided, and is difficult for the bottle cap that causes a bottle interior fluid seepage, rotten safer failure-free to have safe back-off structure again.
The utility model has adopted following technical proposal to solve its technical matters: a kind of bottle cap with safe back-off structure, constitute by loam cake and lower cover, be connected by easy breakpoint between loam cake and the lower cover or the miscellaneous part transition connects, it is characterized in that: be provided with two top back-offs on same horizontal surface not separately on the inwall of lower cover at least.
The set top separately of the utility model not back-off advantage on same horizontal surface is, lowermost end tip upside down on the upper end pad not by compression or not by compression just, slip over the fore shaft hoop on the bottle under the very little situation of descending resistance, lower cover can not screwed out together with loam cake when having guaranteed unlatching.The higher slightly pad that tips upside down on is subjected to slipping under the situation of certain compression fore shaft hoop on the bottle, and after slipping over, the gap of its top and fore shaft hoop bottom is less, can not cause disconnected and the situation appearance that pad and bottleneck get loose of easy breakpoint when revolving bottle cap last.
[description of drawings]
Fig. 1 is the utility model and the structural representation after bottled joining;
Fig. 2 is the utility model bottle cap section-drawing.
Each sequence number is expressed as respectively among the figure:
1 is the bottle cap loam cake; 2 is the bottle cap lower cover; 3 is the bottle cap screw thread;
4 is pad; 5 is easy breakpoint; 6 is the high back-off in top;
7 is the low back-off in top; 8 is bottleneck thread; 9 is the fore shaft hoop.
[specific embodiment]
The utility model will be further described below in conjunction with embodiment and accompanying drawing.
See figures.1.and.2, bottle cap described in the utility model is made up of loam cake 1 and lower cover 2 two parts, connects by easy breakpoint 5 between the last lower bottle cap, perhaps also can carry out transition by miscellaneous part and connect.The loam cake inwall is equipped with the bottle cap screw thread 3 that cooperates with bottleneck thread 8, lower cover 2 inwalls be provided with when opening, fasten bottleneck fore shaft hoop 9 and make loam cake 1 and lower cover 2 between easy breakpoint 5 open circuited back-offs.Described back-off is provided with a back-off 6 and the back-off 7 that the top is lower that the top is higher at least, and these tops not back-off on same horizontal surface 6,7 are arranging of just differing.The top that is in higher position back-off 6 to the distance of compressed state pad 4 bottoms not less than the bottleneck upper surface to the distance between fore shaft hoop 9 lower surfaces.
Embodiment: bottle cap loam cake 1 connects as one by modes such as easy breakpoint 5 usefulness welding with lower cover 2, pad 4 places the bottle cap inside top, with the bottle cap backspin, the low back-off 7 in top slips over fore shaft hoop 9 when pad 4 does not touch bottleneck as yet, further be rotated down bottle cap, with pad 4 compression, the high back-off 6 in top slips over fore shaft hoop 9 in backspin overcomes the process of pad 4 bounce-back resistances, and bottleneck is sealed.Slip over fore shaft hoop 9 in the process because of the high back-off 6 in top is compressed at pad 4, so its top is less from the underclearance of fore shaft hoop 9.When rotating up bottle cap, the high back-off 6 in top upwards raises and can touch fore shaft hoop 9 once less distance, and this moment, pad 4 did not break away from bottleneck as yet, sealed still intact.As want pad 4 to break away from bottlenecks to revolve on must continuing, under the effect of the high back-off 6 in 9 pairs of tops of fore shaft hoop, easily breakpoint 5 disconnects, thus the declaration bottle is unlocked.
Claims (4)
1. bottle cap with safe back-off structure, form by loam cake and lower cover, be connected by easy breakpoint or miscellaneous part transition between loam cake and the lower cover, it is characterized in that: be provided with two top back-offs on same horizontal surface not separately on the inwall of lower cover at least.
2. the bottle cap with safe back-off structure according to claim 1 is characterized in that: be provided with the bottle cap screw thread that cooperates with whorl of bottleneck on the loam cake inwall.
3. the bottle cap with safe back-off structure according to claim 1 is characterized in that: the top in the loam cake inboard is equipped with pad.
4. the bottle cap with safe back-off structure according to claim 3 is characterized in that: the top that is in the higher position back-off to the distance of compressed state pad bottom not less than the bottleneck upper surface to the distance between the fore shaft hoop lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202096624U CN201484805U (en) | 2009-09-14 | 2009-09-14 | Bottle cap with safe back-off structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202096624U CN201484805U (en) | 2009-09-14 | 2009-09-14 | Bottle cap with safe back-off structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201484805U true CN201484805U (en) | 2010-05-26 |
Family
ID=42423695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202096624U Expired - Fee Related CN201484805U (en) | 2009-09-14 | 2009-09-14 | Bottle cap with safe back-off structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201484805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681112A (en) * | 2013-12-05 | 2014-03-26 | 德力西电气有限公司 | Contact plate fixing structure |
-
2009
- 2009-09-14 CN CN2009202096624U patent/CN201484805U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681112A (en) * | 2013-12-05 | 2014-03-26 | 德力西电气有限公司 | Contact plate fixing structure |
| CN103681112B (en) * | 2013-12-05 | 2015-12-30 | 德力西电气有限公司 | Contact plate fixed structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20110914 |