CN2789158Y

CN2789158Y - Standard plastic and rubber bottle cover

Info

Publication number: CN2789158Y
Application number: CN 200520056242
Authority: CN
Inventors: 欧阳添根
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-03-21
Filing date: 2005-03-21
Publication date: 2006-06-21
Anticipated expiration: 2015-03-21

Abstract

The utility model discloses a standard plastic and rubber bottle cover, which comprises a cover body (1), a skirt part (2) and a connecting rib for connecting the cover body and the skirt part, wherein the wall part of the circumference of the cover body is provided with screw threads (13) matched with the outer screw threads of an opening. The utility model is characterized in that the inner wall of the skirt part is provided with an anti-theft fastening position for clamping the skirt part on the opening when the bottle cover is opened and is also provided with a plurality of fastening points. The standard plastic and rubber bottle cover provided by the utility model thoroughly solves the problem of high cover caused by easy bottle cover inclination when a bottle is sealed. Thus, the utility model has the advantages of reduction of the defective index of the product and reduction of the technology cost of the product and can be used for plastic containers with various models and styles.

Description

A kind of standard plastic bottle lid

Technical field

The utility model relates to a kind of bottle cap, more particularly, relates to a kind of plastic container leak free standard plastic bottle lid that is used for.

Background technology

Drinks such as the beverage on the existing market, pure water generally are contained in the plastic bottle after processing such as sterilization, transport ground such as each dealer, market after sealing to again.Though the beverage bottle for different purposes, different manufacturers has diversified bottle specification, the bottleneck of most of bottle and bottle cap are to adopt production-release design, as 3028 lids that are commonly called as are exactly a kind of plastic bottle lid of standard.For the standard plastic bottle lid, anti-theft feature is set all generally.Specifically be under the lid of bottle cap, to connect a skirt section with dowel, the interior ring in skirt section is provided with the anticreep button bit, when uncork, the rotation shearing force that bottle cap produced makes the dowel fracture, lid separates with the skirt section, lid leaves bottle, and the anticreep button bit in skirt section is blocked by the outer bulge loop of bottleneck, hangs on the bottleneck.But when this bottle cap encapsulates bottleneck on high-revolving automation capping conveyor line, occur the bottle cap deflection easily and press the phenomenon of not going down (being commonly called as high lid phenomenon).

On the other hand, in order to keep the quality of beverage or water, prevent that liquid is rotten or leak outside, must have excellent sealing performance, June 20 calendar year 2001, disclosed Granted publication number disclosed a kind of seal bottle cap for the Chinese patent of CN24353, it is embedded in a sealing plug at common bottle cap, has increased the leak tightness of bottle cap.But use this bottle cap will process two parts, productive costs is increased, and when using this bottle cap, liquid might cause little leakage from the flap surface infiltration of sealing plug.And in China, the conditions of transportation of various places differs, even if same also widely different inside the province, kinds of goods often jolt terriblely in the long-distance transport process, porter's improper operation when adding unloading, some bottles packaged when dispatching from the factory are reversed to opening direction to some extent at the vibration lower bottle cap, destroyed sealing property.But plastic bottle lid of the prior art can't solve the sealing problem behind the anti-pine of bottle cap.

The utility model content

The technical problems to be solved in the utility model is to provide a kind of standard plastic bottle lid easy, the rate of reducing the number of rejects and seconds that encapsulates, to overcome the deficiencies in the prior art.

For solving the problems of the technologies described above, construct a kind of standard plastic bottle lid, comprise lid, skirt section and connect the dowel in described lid and skirt section; The circumferential wall part of described lid is provided with the screw thread suitable with external thread of bottleneck, is characterized in: described skirt section inwall is provided with and makes the skirt section card stay the antitheft button bit on the bottleneck when opening bottle cap, also is provided with a plurality of button points on the inwall of described skirt section.

The utility model compared with prior art has the following advantages and beneficial effect:

1. standard plastic cement of the present utility model a plurality of the button a little that in theft-proof skirt section, distribute, easy bottle cap deflection when thoroughly having solved the envelope bottle and the height lid problem that causes makes the reject rate of product reduce by 3～5 times than originally, waste product greatly reduces, and the technology cost reduces greatly.

2. the ring flange of lid and lid integrated injection molding have reduced sealing member, have reduced cost.

3. ring flange adopts flexible design, and root and edge portion make it to keep closed contact with the bottleneck of bottle into a bent shape, in use can not leak gas or fluid seepage, have satisfied seal request, have guaranteed the quality of built-in liquid.

4. the resilient ring of this bottle cap produces antagonistic force to the bottleneck edge, even bottle cap reverse 30 degree also can keep good seal under abominable traffic condition.

Description of drawings

Fig. 1 is the structure cutaway view of the utility model standard plastic bottle lid.

The specific embodiment

The utility model is described in further detail below in conjunction with drawings and Examples.

Referring to shown in Figure 1, anti-theft sealing bottle cap of the present utility model comprises lid 1 and skirt section 2, and lid 1 and skirt section 2 are connected as a single entity by dowel.Have the negative thread 13 suitable in the ring portion of lid, screw in the bottleneck of bottle with convenient bottle cap with the outside thread of bottleneck.Be provided with each two antitheft button bits 22,23 of size and a plurality of button point 21 on the inwall of skirt section, antitheft button bit is two skew back shapes, comprises wedge surface and following wedge surface, and the degree of dip of wherein descending wedge surface is greater than last wedge surface.When encapsulation, mouth cylindrical part enters bottle cap inside along the following wedge surface of antitheft button bit earlier, and after having encapsulated, last wedge surface can tightly withstand the lower edge of bottleneck lug boss.The design of the button bit in skirt section makes bottle cap and bottleneck form the interference district, and the skirt section remains on the bottleneck and the realization anti-theft feature after the uncork.On 2 inwalls of skirt section, establish empty avoiding band (not shown), be not provided with button point or antitheft button bit in the empty avoiding region, when the skirt section of bottle cap quilt depresses to the bottleneck lug boss of bottle, because the external diameter of lug boss is greater than the internal diameter of skirt section button bit, the arc section of skirt section empty avoiding band is straightened, and the skirt section is able to the lug boss by bottleneck.Outside the empty avoiding region, a plurality of button points 21 are well-distributed basically, and wherein, the following wedge surface of big button bit is provided with three button points, and the following wedge surface of described little button bit is provided with two button points, establishes two button points between adjacent big button bit and little button bit.When the bottle capping, a plurality of button points that distribute in the skirt section are held in the bottleneck cylindrical, play good directional tagging in the lower cover process, have prevented the deflection of bottle cap, have ideally solved the difficult problem of high lid.Establish three button points at big button bit, little button bit is established two button points, and establishes two button points between adjacent big button bit and little button bit, and the quantity of button point is moderate, both can fully play the effect of lower cover guiding, and avoid whole skirt section to be paved with the button point again and make the excessive problem that causes the lower cover difficulty of skirt section hardness.Adopt the bottle cap after this improvement designs, the encapsulation reject rate can reduce by 3～5 times than original, and waste product significantly reduces, and has reduced productive costs.The big or small button bit in skirt section is symmetrically distributed at interval, but big button bit 22 and little button bit 23 be on same horizon, and wherein big button bit is than the dowel of the more close bottle cap of little button bit, and the distance on big small lugs and top, skirt section differs 0.3～0.4mm.When outwarding winding bottle cap, the last wedge surface of big button bit produces thrust and friction force to the lower edge of bottleneck lug boss earlier, because big small lugs has range difference, thrust and friction force is suitably reduced.

In order to increase the leak tightness of bottle cap, solve the anti-loose problem in the bottled drink transportation, divide into a water shutoff pressure pad 11 at the Closed End of lid, the root of water shutoff pressure pad 11 is vertically downward from end face, be circular, the annulus bottom connects the gasket ring that is folded to the lid axis, and the gasket ring inboard is unsettled.And the cylindrical wall of the root of water shutoff pressure pad 11 and lid is spaced a distance, when bottleneck is pressed on the gasket ring, the stressed lid end face that abuts in of gasket ring, root is pressurized and apply reverse elastic force to bottleneck by gasket ring simultaneously also, and gasket ring is pressed on the bottleneck, guarantees its leak tightness.In order further to increase the bounce of water shutoff pressure pad 11, set up a bulge loop 14 at the Closed End of lid, the cross section of bulge loop 14 can be triangle, rectangle or sub-circular.The root internal diameter of water shutoff pressure pad 11 is 25.5～25.7mm, and the central diameter of bulge loop 14 is 24.5～24.8mm, and less than the root internal diameter of water shutoff pressure pad, behind the bottle loam cake, the gasket ring of water shutoff pressure pad 11 just is pressed on the bulge loop 14.Even 30 ° of bottle cap counter-rotatings take place under long-distance transport or other situations bottle, the bounce of water shutoff pressure pad can make gasket ring be pressed in all the time on the bottleneck, prevents the phenomenon that seeps water and leak gas.

Claims

1. standard plastic bottle lid comprises lid (1), skirt section (2) and connects the dowel in described lid and skirt section; The circumferential wall part of described lid is provided with the screw thread suitable with external thread of bottleneck (13), it is characterized in that: described skirt section inwall is provided with and makes the skirt section card stay the antitheft button bit (22 on the bottleneck when opening bottle cap, 23), also be provided with a plurality of button points (21) on the inwall of described skirt section.

2. standard plastic bottle lid according to claim 1, it is characterized in that: also comprise the water shutoff pressure pad (11) under the Closed End that is located at described lid, described water shutoff pressure pad comprises that vertical root is connected root, inboard unsettled and to the gasket ring of lid axis bending with the outside, and the cylindrical wall of described root and lid is spaced a distance.

3. standard plastic bottle lid according to claim 2 is characterized in that: the Closed End of described lid is provided with bulge loop (14), and the root internal diameter of described water shutoff pressure pad 11 is 25.5～25.7mm, and the central diameter of bulge loop 14 is 24.5～24.8mm.

4. standard plastic bottle lid according to claim 3 is characterized in that: described antitheft button bit (22,23) is provided with wedge surface and following wedge surface, and the degree of dip of wherein descending wedge surface is greater than last wedge surface.

5. according to claim 1 or 2 or 3 or 4 described standard plastic bottle lids, it is characterized in that: the empty avoiding band on the inwall of described skirt section is not provided with to be buckled a little or antitheft button bit.

6. standard plastic bottle lid according to claim 5, it is characterized in that: the quantity of described antitheft button bit is four, comprise the big button bit (22) of a pair of symmetrical distribution and the little button bit (23) of a pair of symmetrical distribution, described big button bit (22) is than the more close lid of little button bit (23), and the distance on big small lugs and top, skirt section differs 0.3～0.4mm.

7. standard plastic bottle lid according to claim 6 is characterized in that: described button point (21) is evenly distributed on the empty avoiding band skirt section inwall circumference in addition.

8. standard plastic bottle lid according to claim 6 is characterized in that: the following wedge surface of described antitheft button bit (22,23) is provided with button point (21).

9. standard plastic bottle lid according to claim 8, it is characterized in that: the following wedge surface of described big button bit (22) is provided with three button points (21), the following wedge surface of described little button bit (23) is provided with two button points (21), can establish two button points (21) between adjacent big button bit and little button bit.