CN101402408B - Security ventilating cover for closed-opening piling plastic vessel - Google Patents
Security ventilating cover for closed-opening piling plastic vessel Download PDFInfo
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- CN101402408B CN101402408B CN2008102346193A CN200810234619A CN101402408B CN 101402408 B CN101402408 B CN 101402408B CN 2008102346193 A CN2008102346193 A CN 2008102346193A CN 200810234619 A CN200810234619 A CN 200810234619A CN 101402408 B CN101402408 B CN 101402408B
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Abstract
The invention relates to a safe breather cap of a closed pile plastic container, which belongs to the technical field of plastic container. The breather cap comprises a cap body, a breather valve, a breather valve cap and a valve cap support. The center of the cap body is provided with a breather hole. The breather cap is characterized in that a safe cap embedded groove is concavely formed in the center of the cap body and is surrounded the breather hole; a safe cap is embedded into the safe cap embedded groove; and the side of the safe cap is provided with at least one vent hole which is communicated with the breather hole. The safe breather cap has the advantages of preventing rain and dust from invading the breather valve, avoiding the phenomena of bulging, deformation and cracking of the plastic container, and collapsing of a pile which are caused by the failure of the plastic container, having capability of floating and bouncing the safe cap upwardly under the action of gas pressure in the plastic container even if the vent holes are blocked, and venting directly through the breather holes, thereby embodying the double insurance function.
Description
Technical field
The invention belongs to the plastic container technical field, be specifically related to a kind of security ventilating cover of closed-opening piling plastic vessel.
Background technology
The liquid form product of being sold in the market, convenience when considering storage, transportation and distribution and quick factor are packed with regard to the less relatively plastic container of employing capacity when manufacturers produce.But along with being on the increase of the kind of liquid form product, external causes such as the liquid form product that quite a few is arranged jolting after can because in the storage condition temperature traverse, transportation, liquid can volatilize gas, if gas is in time outside the amount discharge container, can make plastic container bulging, distortion and even explosion occur so, thereby influence the pile effect of container, can cave in when serious, both caused product losses, again safety had been constituted a threat to.
The top liquid product of saying, for example mass percent concentration usually greater than 27.5% hydrogen peroxide, be used for the glyphosate of weeding and electroplate the electroplate liquid of usefulness, or the like, in case this class I liquid I can is in the leak free plastic container, under environment Celsius 40 ℃, store or carry out way far away for a long time when transporting, then can cause the container deformation cracking if the gas that evaporates can not in time discharge, cause pollution environment such as water system, soil.
In view of said circumstances, usually the cover design with aforesaid closed-opening piling plastic vessel becomes structure shown in Figure 3, this kind lid comprises lid 1, vent valve 2, ventilative valve gap 3 and valve gap protect holder 4, central authorities at lid 1 offer breather hole 11, and constitute a ventilative valve seat 12 corresponding to the position of described breather hole 11 at the inwall of lid 1, vent valve 2 is contained in the valve pocket of ventilative valve seat 12, ventilative valve gap 3 plugs are embedded on the ventilative valve seat 12 and with vent valve 2 and contact, on ventilative valve gap 3, distribute and be provided with first air extractor vent 31, valve gap protects holder 4 and fixes with the inwall of lid 1, the projection that valve gap protects the central authorities of holder 4 contacts with described ventilative valve gap 3, and offers at least one second air extractor vent 41.When the liquid in the plastic container shot gas, then gas entered first air extractor vent 31 from second air extractor vent 41, effluxes from breather hole 11 through vent valve 2 again.The lid of this structure can be avoided the generation of said circumstances basically, that is, and and with in time discharging and prevent container bulging, distortion and even cracking in the plastic container by the gas that evaporates out.But, also there is following shortcoming, when the plastic container that will be filled with liquid place environmental facies to harsh conditions under, for example place the warehouse of roof leaking, and for example place in the poorly sealed freight container, also as placing under the environment that is subject to the sand and dust invasion and attack, rainwater and trifle in the world can enter into through the breather hole 11 at lid 1 top in the valve pocket of ventilative valve seat 12, and then vent valve 2 caused shutoff, and the effect of vent valve 2 is affected, can make vent valve 2 cause the situation that performs practically no function when serious.And this situation that in a single day occurs can not be found by people, only when plastic container bulging, distortion and even cracking occurring, just fully recognize the truth, but late.
Therefore, ten minutes is necessary the structure of the lid of the closed-opening piling plastic vessel in the prior art is improved, and uses the generation of avoiding aforementioned circumstances, and technical scheme described below is based on producing under this background.
Summary of the invention
Task of the present invention is to provide a kind of and can avoids effectively in rainwater and/or trifle in the world enter into ventilative valve seat from the breather hole of lid the valve pocket vent valve in the valve pocket that is located at ventilative valve seat caused the shutoff phenomenon and use and embody desirable air permeable effect, prevent that plastic container are because of ventilative bad bulging, distortion and even cracking or cause the security ventilating cover of the closed-opening piling plastic vessel of the situation generation that pile caves in.
Task of the present invention is finished like this, a kind of security ventilating cover of closed-opening piling plastic vessel, it comprises lid, vent valve, ventilative valve gap and valve gap protect holder, central authorities at lid offer breather hole, and constitute a ventilative valve seat corresponding to the position of described breather hole in cover body, vent valve is arranged in the valve pocket of ventilative valve seat, the vent valve capping plug is embedded in the accent position of valve pocket, cover at vent valve and to be provided with first air extractor vent, valve gap protects holder and fixes with cover body, the projection that valve gap protects the central authorities of holder contacts with described ventilative valve gap, and the central authorities that protect holder at valve gap also offer second air extractor vent, characteristics are: constitute a safety cap caulking groove at the central part of described lid and around being arranged with of described breather hole all around, on this safety cap caulking groove, be embedded with a safety cap, sidepiece at this safety cap offers at least one deflation hole, and this deflation hole communicates with described breather hole.
In a specific embodiment of the present invention, described deflation hole is to occupy on the plane of described lid in the position on the described safety cap.
In another specific embodiment of the present invention, the quantity of described deflation hole has a pair of, and the position of this deflation hole on described safety cap keeps corresponding.
Go back in the specific embodiment of the present invention, the quantity of described deflation hole has four, and these four deflation holes respectively are 90 ° of layouts at interval at the circumferencial direction of described safety cap.
In another specific embodiment of the present invention, described deflation hole is the narrow gradually taper hole that contracts from inside to outside.
In another specific embodiment of the present invention, the valve block of described vent valve is ventilative and fluid-tight nonwoven fabrics, felt, mylar or polyethylene foil.
Technical scheme disclosed in this invention is owing to dispose safety cap on lid and at the position corresponding to breather hole, deflation hole by the safety cap sidepiece communicates with breather hole, because deflation hole is the sidepiece that is opened in safety cap, therefore can effectively prevent rainwater trifle in the world intrusion vent valve, and directly breather hole is implemented the closure protection by safety cap, ensure that vent valve is in good state all the time, avoid inefficacy because of vent valve to cause the cave in generation of phenomenon of plastic container bulging, distortion and even cracking and pile; Even deflation hole is blocked, then can directly breathe freely by breather hole with safety cap to the come-up bullet under the effect of the gaseous tension in plastic container, thus the effect of embodiment double insurance.
Description of drawings
Fig. 1 is a specific embodiment constructional drawing of the present invention.
Fig. 2 is the cutaway view of Fig. 1.
Fig. 3 is the cutaway view of the lid of the closed-opening piling plastic vessel in the prior art.
The specific embodiment
For allow Patent Office your inspector especially the public can more be expressly understood technical spirit of the present invention and fully recognize the truth technique effect of the present invention, the applicant will elaborate to the specific embodiment of the present invention in conjunction with the accompanying drawings below.Only; applicant's all explanations in an embodiment all are not the restrictions that constitutes the present invention program; therefore, anyone is as long as made under the present invention program's enlightenment sheerly pro forma and be not to be the scope that substantial equivalence changes and remodeling all should be considered as technical scheme category disclosed in this invention and be considered as the claimed protection.
Ask for an interview Fig. 1 and Fig. 2, provided just as the bell jar shape and material be preferably the lid 1 of plastic production, central part at this lid 1 constitutes a through hole, constitute breather hole 11 by this through hole, extend at the inboard of lid 1 and at position and to constitute a ventilative valve seat 12 corresponding to described breather hole 11, this ventilative valve seat 12 obviously with lid 1 integral production, i.e. moulding thereupon when lid 1 is molded and shaped, ventilative valve seat 12 be shaped as the cylindrical cavity shape, promptly constitute a valve pocket 121.In valve pocket 121, be provided with size and the internal diameter of valve pocket 121 suitable and be discoid vent valve 2, in the present embodiment, select the nonwoven fabrics of using permeable watertight for the valve block 21 of vent valve 2, do not have (being processed with) finely porous felt material or mylar or polyethylene foil etc. but do not repel to use.In addition, other be difficult for as long as can satisfy ventilative or claim that other material of liquid all can be used as air film thoroughly use, for example adopt the product that widely uses in the prior art to be called Bandaid and the base material such as the cotton of the permeable watertight of the subsides that are referred to as in the medical treatment to stop blooding (having another name called the benzalkonium chloride subsides) are weaved cotton cloth, woven dacron or the like.The effect that ventilative valve gap 3 is being taken on stopper, after vent valve 2 is placed in the valve pocket 121 of ventilative valve seat 12, these ventilative valve gap 3 plugs are embedded into the accent position of valve pocket 121, the vent valves 2 in the valve pocket 121 are carried out control, the notion of the control of being said is to prevent that vent valve 2 from deviating from valve pocket 121 here.On ventilative valve gap 3, offer the first intensive air extractor vent 31.For being implemented holder, protects ventilative valve gap 3, therefore promptly cover in the inboard of lid 1 in the chamber and to dispose a valve gap in build-in mode (Fig. 2 signal) and protect and hold in the palm 4, protect the projection 42 that holder 4 central authorities constitute a umbilical form at valve gap, and the centre of protecting holder 4 at valve gap more particularly offers one second air extractor vent 41 in the central authorities of projection 42, and projection 42 contacts with ventilative valve gap 3.
Please continue to see Fig. 1 and Fig. 2, main points as technical scheme of the present invention, at the position placed in the middle of lid 1 and around breather hole 11, constituting a circle safety cap caulking groove 13, on safety cap caulking groove 13, set safety cap 5, sidepiece at safety cap 5 offers a pair of deflation hole 51, this is 180 ° of intervals with the circumferencial direction of safety cap 5 each other to the position of deflation hole 51 on safety cap 5, and promptly both (two deflation holes 51) keep corresponding.And the height and position of deflation hole 51 on safety cap 5 should be higher than the end face of lid 1.In the present embodiment, though it is a pair of having selected the quantity of deflation hole 51, but also can be according to needing increase and decrease, for example few to one, three or four of as many as are if three deflation holes 51 are then arranged with 120 ° separately at the circumferencial direction of safety cap 5, if four, then arrange at interval with 90 ° at the circumferencial direction of safety cap 5.The preferred shape of deflation hole 51 is the taper hole of convergent from inside to outside or claims bellmouth orifice, so more can play the effect that prevents that trifle in the world from invading.
Be disposed at the oral area of closed-opening piling plastic vessel when security ventilating cover after with structure of the present invention, can show desirable prevent trifle in the world and rainwater and invade the effect of vent valve 2, because deflation hole 51 is the sidepieces that are opened in safety cap 5, when the following time of environment that plastic container place rainproof measure shortcoming, rainwater just can't enter valve pocket 121 and vent valve 2 is caused shutoff (submergence) through breather hole 11 from deflation hole 51, and the trifle in the world dirt is difficult to enter from the side deflation hole 51 and then results in blockage through the valve block 21 that breather hole 11 enters 121 pairs of vent valves 2 of valve pocket.And when the solution in the plastic container discharged or claim volatilization gas, gas protected first air extractor vent 31 of second air extractor vent 41 of holder 4 through ventilative valve gap 3 from valve gap, again through the valve block 21 of vent valve 2, and then through breather hole 11 after from deflation hole 51 discharges.Even because of some abominable situation causes deflation hole 51 smooth and even stop up, so, can be under the effect of gaseous tension with safety cap 5 come-ups, gas just can from breather hole 11 after come-up safety cap 5 and safety cap caulking groove 13 between discharge the slot that produced.
The applicant also tests under confidential state, the lid that the security ventilating cover and the prior art of closed-opening piling plastic vessel of the present invention is structure shown in Figure 3 has been done contrast, way of contrast is respectively to get the environment (spray from top to bottom) that 100 plastic container place the spray state, after 60 minutes, observe, the result shows, structure of the present invention is not found vent valve 2 by the situation of water intrusion, and on the contrary, the used vent valve 2 of the lid in the prior art is all encroached on.Therefore, have reason to prove that technical scheme provided by the present invention is highly desirable.
Claims (6)
1. the security ventilating cover of a closed-opening piling plastic vessel, it comprises lid (1), vent valve (2), ventilative valve gap (3) and valve gap protect holder (4), central authorities at lid (1) offer breather hole (11), and constitute a ventilative valve seat (12) corresponding to the position of described breather hole (11) at the inwall of lid (1), vent valve (2) is arranged in the valve pocket (121) of ventilative valve seat (12), ventilative valve gap (3) plug is embedded in the accent position of valve pocket (121), on ventilative valve gap (3), be provided with first air extractor vent (31), valve gap protects holder (4) and fixes with the inwall of lid (1), the projection (42) that valve gap protects the central authorities of holder (4) contacts with described ventilative valve gap (3), and the central authorities that protect holder (4) at valve gap also offer second air extractor vent (41), it is characterized in that: constitute a safety cap caulking groove (13) all around at the central part of described lid (1) and around being arranged with of described breather hole (11), on this safety cap caulking groove (13), be embedded with a safety cap (5), sidepiece at this safety cap (5) offers at least one deflation hole (51), and this deflation hole (51) communicates with described breather hole (11).
2. the security ventilating cover of closed-opening piling plastic vessel according to claim 1 is characterized in that the position of described deflation hole (51) on described safety cap (5) is to occupy on the plane of described lid (1).
3. the security ventilating cover of closed-opening piling plastic vessel according to claim 1 and 2, the quantity that it is characterized in that described deflation hole (51) has a pair of, and the position of this deflation hole (51) on described safety cap (5) keeps corresponding.
4. the security ventilating cover of closed-opening piling plastic vessel according to claim 1 and 2 is characterized in that the quantity of described deflation hole (51) has four, and these four deflation holes (51) respectively are 90 ° of layouts at interval at the circumferencial direction of described safety cap (5).
5. the security ventilating cover of closed-opening piling plastic vessel according to claim 1 and 2 is characterized in that described deflation hole (51) is the narrow gradually taper hole that contracts from inside to outside.
6. the security ventilating cover of closed-opening piling plastic vessel according to claim 1 is characterized in that the valve block (21) of described vent valve (2) is ventilative and fluid-tight nonwoven fabrics, felt, mylar or polyethylene foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102346193A CN101402408B (en) | 2008-11-06 | 2008-11-06 | Security ventilating cover for closed-opening piling plastic vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102346193A CN101402408B (en) | 2008-11-06 | 2008-11-06 | Security ventilating cover for closed-opening piling plastic vessel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101402408A CN101402408A (en) | 2009-04-08 |
| CN101402408B true CN101402408B (en) | 2010-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102346193A Active CN101402408B (en) | 2008-11-06 | 2008-11-06 | Security ventilating cover for closed-opening piling plastic vessel |
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| Country | Link |
|---|---|
| CN (1) | CN101402408B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107323628B (en) * | 2017-07-10 | 2023-06-20 | 江苏明昊新材料科技股份有限公司 | Structure improved float for solar water surface power station |
| JP6848126B2 (en) * | 2018-01-19 | 2021-03-24 | ウェスト ファーマスーティカル サービシーズ ドイチェラント ゲーエムベーハー ウント カンパニー カーゲー | Blocking device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87203820U (en) * | 1987-03-16 | 1988-04-06 | 澄海县东里镇塑料二厂 | Permeable and overflow-proof cap for liquid container |
| EP0382146A1 (en) * | 1989-02-06 | 1990-08-16 | Unilever N.V. | Container closure with a safety valve |
| CN2288934Y (en) * | 1996-12-26 | 1998-08-26 | 尚太成 | Air door type container cover |
| EP1486429A2 (en) * | 2003-06-04 | 2004-12-15 | Rieke Corporation | Vented closure |
-
2008
- 2008-11-06 CN CN2008102346193A patent/CN101402408B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87203820U (en) * | 1987-03-16 | 1988-04-06 | 澄海县东里镇塑料二厂 | Permeable and overflow-proof cap for liquid container |
| EP0382146A1 (en) * | 1989-02-06 | 1990-08-16 | Unilever N.V. | Container closure with a safety valve |
| CN2288934Y (en) * | 1996-12-26 | 1998-08-26 | 尚太成 | Air door type container cover |
| EP1486429A2 (en) * | 2003-06-04 | 2004-12-15 | Rieke Corporation | Vented closure |
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| Publication number | Publication date |
|---|---|
| CN101402408A (en) | 2009-04-08 |
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