CN207315174U - Interior gas-flow closure adhesive tape - Google Patents
Interior gas-flow closure adhesive tape Download PDFInfo
- Publication number
- CN207315174U CN207315174U CN201720446142.XU CN201720446142U CN207315174U CN 207315174 U CN207315174 U CN 207315174U CN 201720446142 U CN201720446142 U CN 201720446142U CN 207315174 U CN207315174 U CN 207315174U
- Authority
- CN
- China
- Prior art keywords
- adhesive tape
- inflation nozzle
- sides
- annular adhesive
- air inflation
- 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.)
- Active
Links
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
It the utility model is related to a kind of sealing joint strip, a kind of more particularly to hollow I-shaped interior gas-flow closure adhesive tape with gradient, including annular adhesive tape and air inflation nozzle, the section configuration of the annular adhesive tape is hollow I-shaped, the air inflation nozzle and the annular adhesive tape are affixed, the annular adhesive tape includes two sides, bottom surface and top surface, the two sides are symmetrical, one side is made of one section of circular arc and two sections of straightways, two sections of straightways are respectively close to the bottom surface and top surface, the top surface has a plurality of triangle crest line mutually separated, the air inflation nozzle is used for the charged air pressure into the annular adhesive tape, in the state of inflation, the two sides and bottom surface contact sealing with doorframe glue groove, the top surface contacts sealing with door body.The utility model has sealing performance high, and the technique effect of additional facilities or measure is not required when bearing larger positive/negative pressure, manufacture and easy to maintenance, long lifespan, using.
Description
Technical field
It the utility model is related to a kind of sealing joint strip, more particularly to a kind of hollow I-shaped interior gas-flow closure glue with gradient
Bar.
Background technology
Sealing joint strip is widely used in the sealing of babinet and door body, especially the sealing under special operating mode to sealing joint strip
Performance has special requirement, hypertoxic, inflammable, explosive chemicals the situations deposited at the same time equipped with positive pressure and negative pressure such as in babinet
Under, the sealing performance of sealing joint strip has the important function for ensureing safety.
In medical instrument production, sealing joint strip is the main portion sealed between ethylene oxide sterilizer door body and babinet
Part.Ethylene oxide sterilizer is under certain temperature, pressure and damp condition, with certain density ethylene oxide gas to sealing
It is main the setting of using of sterilization process of medical instrument production in the equipment that the indoor article of sterilizing carries out low temperature suffocating sterilization
It is standby.The sterile medium ethylene oxide gas that ethylene oxide sterilizer uses are a kind of very effective low temperature sterilization agent, at home
It is widely used outside.But ethylene oxide is a kind of hypertoxic, inflammable, explosive chemical substance again, in the process that sterilizing uses
In cannot leak.One of key condition for ensureing not reveal is the sealing performance between door body and babinet, between door body and babinet
Sealing performance mainly ensured by sealing joint strip.
Sterilizer work when babinet in pressure be continually changing, generally from -0.08MPa to+0.08MPa in the range of
Multiple cyclically-varying.Therefore the adhesive tape of sterilizer must all have good sealing performance under conditions of positive pressure and negative pressure.
Major requirement of the sterilizer to sealing joint strip be：Ensure the babinet in setting has well using in pressure limit
Sealing performance, can set back after sterilizing works end cycle, not influence the switch of door body, production, maintenance, replace, user
Just, service life is grown.
The sealing joint strip that ethylene oxide sterilizer uses in the prior art has polytype, the technological deficiency bag being primarily present
Include：Interior inflation adhesive tape section is hollow, and shape top is semicircle, and both sides are straight flange, in larger positive pressure and the condition of negative pressure
Under, sealing effect is bad, easy gas leakage；The outer tubular adhesive tape of Puffer-type heavy wall, the section of adhesive tape is tubular for heavy wall, and adhesive tape is installed on
In the rectangle glue groove of doorframe, there is a venthole in the appropriate location of glue groove, toward leading to compressed air, shutdown back door in glue groove in the course of work
There is certain gap (3-5mm) between frame and door body, no matter babinet is interior by positive pressure or negative pressure, and the compressed air of glue groove bottom is all
By adhesive tape toward extrapolated, adhesive tape and door body are compressed and ensure sealing, after the completion of a sterilising cycle, when the compressed air of glue groove is put
After sky, adhesive tape always remains at the position of release, that is, adhesive tape is always higher by doorframe outerplanar or is flushed with doorframe outerplanar,
Door body cannot be switched smoothly, glue groove need to also be vacuumized after the emptying of the compressed air of glue groove for this, will using vacuum negative pressure
Adhesive tape draws back glue groove bottom, makes its no longer prominent door frame surface and influences the opening and closing of door body.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is to provide a kind of sealing performance height, positive/negative pressure is born
Larger, manufacture and easy to maintenance, long lifespan, be not required when using the novel high-quality of additional facilities or measure to can be used for large-scale go out
The sealing joint strip of bacterium device.
The utility model provides a kind of interior gas-flow closure adhesive tape, including annular adhesive tape and air inflation nozzle, and annular adhesive tape is broken
Face shape is hollow I-shaped, and air inflation nozzle and annular adhesive tape are affixed, and annular adhesive tape includes two sides, bottom surface and top surface, both sides
Face is symmetrical, and one side is made of one section of circular arc and two sections of straightways, and two sections of straightways have respectively close to bottom surface and top surface, top surface
The a plurality of triangle crest line mutually separated, air inflation nozzle are used for the charged air pressure into annular adhesive tape, in the state of inflation, two
Side and bottom surface contact sealing with doorframe glue groove, and top surface contacts sealing with door body.
Further, the straightway close to bottom surface has outer gradient and corresponding with the gradient of glue groove.
Further, the two sides of annular adhesive tape and the thickness of top surface are identical, and bottom surface is slightly larger than for planar structure and thickness
The thickness of two sides.
Further, annular adhesive tape is formed by the adhesive tape first and last end bonding of silicon rubber extrusion forming.
Further, air inflation nozzle is metal air inflation nozzle.
Further, air inflation nozzle is Nian Jie with the annular adhesive tape sealing.
Further, it is Nian Jie with annular adhesive tape sealing to be inserted through the bottom surface of annular adhesive tape for air inflation nozzle.
Further, air inflation nozzle is connected by the hole in glue groove with exterior compressed air.
According to the above aspect of the present invention, by interior gas-flow closure adhesive tape, have sealing performance high, bear that positive/negative pressure is larger, manufacture
With the technique effect that additional facilities or measure are not required when easy to maintenance, long lifespan, use.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand the skill of the utility model
Art means, and being practiced according to the content of specification, with the preferred embodiment of the utility model and coordinate attached drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is the hollow I-shaped structure diagram with gradient sealing joint strip of inflation in the utility model；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is the B-B sectional views of Fig. 1；
The hollow I-shaped working state schematic representation with gradient sealing joint strip of inflation in Fig. 4 the utility model.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not intended to limit the scope of the present invention.
Join shown in Fig. 1 to Fig. 4, the interior hollow I-shaped band gradient sealing joint strip of inflation provided in this embodiment, is an annular
Adhesive tape, is shown in Fig. 1, Fig. 2, and annular adhesive tape is made of two parts, and a part is adhesive tape 1, and another part is air inflation nozzle 2.Annular adhesive tape
Formed by the adhesive tape bonding of silicon rubber extrusion forming.The length of adhesive tape adjacent edge is respectively A and B.Air inflation nozzle 2 is intermetallic composite coating
Part, air inflation nozzle is Nian Jie with adhesive tape firmly, and a diameter of D of exterior abutting edge, the bore of air inflation nozzle is d.Adhesive tape first and last end be bonded and
Adhesive tape is bonding with air inflation nozzle firm, must not leak.
Adhesive tape is installed in the glue groove on doorframe, and air inflation nozzle 2 is connected by the hole in glue groove with exterior compressed air.Work
Adhesive tape is passed through the compressed air of certain pressure by air inflation nozzle 2 when making, and makes adhesive tape to four surface expansions, wherein two sides and bottom surface with
Three face of glue groove contacts the sealing for realizing babinet and glue groove.Adhesive tape top surface is contacted with door body, realizes the sealing of babinet and door body.This two
Partial sealing ensures the sealing performance of babinet.
For example hollow I-shaped of the section configuration of adhesive tape 1, sees the B-B sections of Fig. 3.The high h of adhesive tape shape, the wide b1 in top, under
The wide b in portion, lower part adhesive tape thickness t2, other three face thicknesses t1, the top surface of adhesive tape 1 have several small triangle crest lines being mutually mutually separated,
The high h1 of crest line, to reduce the contact surface of adhesive tape and door body, increases in identical pressure effect under strip local deformation amount, improves close
Sealing property.Hollow I-shaped corner radius of the radian is r, and the distance at most narrow place is a.The two sides of adhesive tape 1 are by one section of orthodrome R
With two sections of rectilinear(-al)s.1 liang of side lower part of adhesive tape has the straightway of outer gradient, this straightway and bottom surface into the α angles of cut.Adhesive tape installation
Two side lower part of glue groove also has corresponding oblique angle.The oblique angle of adhesive tape 1 is smaller, and adhesive tape is expressed to glue groove by artificial force when adhesive tape is installed
Bottom.Adhesive tape both sides are identical with the thickness of top surface, and the bottom of adhesive tape is straight line, and thickness ratio both sides are bigger, are unlikely to deform.
The hollow I-shaped state with gradient sealing joint strip of inflation is as follows in the sterilizer course of work each stage：
1) state before starting to work after sterilizer is closed the door.
State after sterilizer is closed the door is shown in Fig. 4 a, and door body 3 and doorframe 4 have certain clearance delta, a height of h of glue groove of doorframe 4,
Lower part the widest part is B, and adhesive tape 1 is installed in doorframe glue groove, and the top of adhesive tape to the outerplanar distance of doorframe is m, adhesive tape side
Gap with glue groove side wall is δ.
2) state after adhesive tape ventilation with cabinets cavity for normal pressure.
When cabinets cavity has normal pressure (0~0.08MPa), the clearance delta of door body 3 and doorframe 4 be maximum, its value is 4~
5mm.Adhesive tape is led to after compressed air (pressure is about 0.45~0.55MPa), adhesive tape to four surface expansions, wherein two sides and bottom surface with
Three face of glue groove contacts the sealing (at this moment side clearance δ vanishing) for realizing babinet and glue groove.The great circle of the two sides of adhesive tape at the same time
Arc extends change under the action of side pressure and is in line, and adhesive tape inner cavity becomes rectangular, sees Fig. 4 b.
3) state after adhesive tape ventilation with cabinets cavity for larger negative pressure.
When cabinets cavity has negative pressure (0~-0.08MPa), door body 3 and the clearance delta of doorframe 4 are zero.Adhesive tape is passed through compression
Air, pressure are 0.45~0.55MPa, and for adhesive tape to four surface expansions, wherein two sides, bottom surface are contacted with three face of glue groove realizes babinet
With the sealing (at this moment gap delta vanishing at the straight flange of side) of glue groove.The orthodrome of the two sides of adhesive tape is in side pressure at the same time
The lower short transverse of effect does not have the space extended, can only itself is compressed, therefore circular arc still keeps original form substantially.See figure
4c。
4) state in adhesive tape after compression air emptying.
After the completion of sterilizing works, door body needs to open, and air emptying will be first compressed in adhesive tape, and pressure eliminates.Due to adhesive tape
State during original installation is recovered in the elastic shrinkage of itself, adhesive tape top and side.Top keeps certain with glue groove outerplanar
Distance m.The switch of door body is not influenced, sees Fig. 4 d.
The interior hollow I-shaped band gradient sealing joint strip of inflation provided by the utility model has the advantages that：
1) adhesive tape has the sealability for bearing positive/negative pressure in higher sterilization tank body.
The two sides of adhesive tape are by one section of orthodrome R and two sections of rectilinear(-al)s.After adhesive tape is passed through compressed air, compressed air
Apply pressure to two sides, extend the circular arc R of both sides and be in line, the length of run of circular arc makes the height of adhesive tape than chord length
Degree increase, its increments make adhesive tape straight equivalent to the sum of clearance delta between door body and doorframe and adhesive tape to glue groove outerplanar gap m
Connect and contacted with door body.At this moment the pressure in adhesive tape inner height direction does not have to stretching of the consumption in adhesive tape side (needs when side is straight flange
Stretching just can be such that adhesive tape top surface is contacted with door body) and all act on several triangle tree laces of adhesive tape top surface, make tree lace
Unit pressure it is higher, compression deformation is larger, in tank pressure p0Also sealing can be preferably played in the case of larger
Function, it bears the ability of normal pressure and brings up to+0.10MPa, than the pressure sealing ability that present both sides are straight flange type adhesive tape
Improve more than 60%, hence it is evident that improve the sealing performance of sterilizer.
It is very close to each other between door body and doorframe in the case of babinet negative pressure, the change of adhesive tape very little in the operating condition
For shape with regard to that can make several triangle tree lace pressing door plates at the top of adhesive tape, it bears ability of the ability of babinet negative pressure than bearing positive pressure
By force.Therefore, this adhesive tape can bear larger positive/negative pressure, in whole operating pressure (- 0.08~+0.08MPa) scope or more
All ensure to reach seal request in high pressure limit.Larger babinet cannot be born by overcoming the adhesive tape that present both sides are straight flange
The shortcomings that pressure, see Fig. 4 b.
2) adhesive tape can automatically reset after the completion of work period, not influence door body switch.
Two side lower part of adhesive tape has the straightway of outer gradient, this straightway and bottom surface into the α angles of cut.The glue groove both sides of adhesive tape are installed
Corresponding gradient is also arranged at lower part, sees Fig. 4 a.Due to the obstruction at oblique angle outside glue groove, in whole work process, adhesive tape bevel edge part is always
Contacted with glue groove bevel edge, position does not change.It ensure that the bullet of adhesive tape in itself can be relied on after the emptying of adhesive tape inner cavity compressed air
Property recover automatically ventilation before state, glue groove outerplanar (Fig. 4 d) will not be higher by.Door body switch is all without being subject to adhesive tape to hinder.
3) service life of sealing joint strip is improved.
Since adhesive tape can automatically revert to origin-location after sterilization process, top is kept to have necessarily to door frame surface
Distance, door body switch when will not collide with adhesive tape, adhesive tape is not damaged.Therefore the adhesive tape service life significantly improves.
4) manufacturing cost and use cost is reduced.
Vaccum-pumping equipment need not be added using this adhesive tape, it is not necessary to apply oil lubrication, it is not required that human assistance resets,
And larger pressure limit is applicable in, adhesive tape service life improves, therefore substantially reduces manufacturing cost and use cost, hence it is evident that improves warp
Ji benefit.
Certain factory has used the interior hollow I-shaped band gradient of inflation provided in this embodiment in the sterilizer of a model
Sealing joint strip, does tank pressure experiment during manufacture, leakproofness meets the requirements, and pressure sealing ability improves 60% with 0.10MPa.
Leakage phenomenon did not occurred for tank pressure -0.08~+0.08MPa during use, and the problem of door body switch is not smooth did not occurred yet,
Not using vacuumize, oiling, human assistance reset etc. measure.The adhesive tape service life improves about 2-3 times, and using effect is fine.
The above is only the preferred embodiment of the utility model, is not intended to limit the present invention, it is noted that
For those skilled in the art, on the premise of the utility model technical principle is not departed from, can also do
Go out some improvement and modification, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
- A kind of 1. interior gas-flow closure adhesive tape, it is characterised in that including annular adhesive tape and air inflation nozzle, the section shape of the annular adhesive tape Shape is hollow I-shaped, and the air inflation nozzle and the annular adhesive tape are affixed, and the annular adhesive tape includes two sides, bottom surface and top Face, the two sides are symmetrical, and one side is made of one section of circular arc and two sections of straightways, and two sections of straightways are respectively close to the bottom Face and top surface, the top surface have a plurality of triangle crest line mutually separated, and the air inflation nozzle is used into the annular adhesive tape fill out Compressed air is filled, in the state of inflation, the two sides and bottom surface contact sealing with doorframe glue groove, and the top surface connects with door body Touch sealing.
- 2. interior gas-flow closure adhesive tape according to claim 1, it is characterised in that the straightway close to bottom surface has outer Gradient and corresponding with the gradient of glue groove.
- 3. interior gas-flow closure adhesive tape according to claim 1 or 2, it is characterised in that it is described annular adhesive tape two sides and The thickness of top surface is identical, and the bottom surface is slightly larger than the thickness of two sides for planar structure and thickness.
- 4. interior gas-flow closure adhesive tape according to claim 3, it is characterised in that the annular adhesive tape is squeezed into by silicon rubber The adhesive tape first and last end bonding of type forms.
- 5. interior gas-flow closure adhesive tape according to claim 4, it is characterised in that the air inflation nozzle is metal air inflation nozzle.
- 6. interior gas-flow closure adhesive tape according to claim 5, it is characterised in that the air inflation nozzle and the annular adhesive tape are close Envelope bonding.
- 7. interior gas-flow closure adhesive tape according to claim 6, it is characterised in that the air inflation nozzle passes through the annular adhesive tape Bottom surface it is Nian Jie with the annular adhesive tape sealing.
- 8. interior gas-flow closure adhesive tape according to claim 7, it is characterised in that the air inflation nozzle by the hole in glue groove with Exterior compressed air is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720446142.XU CN207315174U (en) | 2017-04-26 | 2017-04-26 | Interior gas-flow closure adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720446142.XU CN207315174U (en) | 2017-04-26 | 2017-04-26 | Interior gas-flow closure adhesive tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207315174U true CN207315174U (en) | 2018-05-04 |
Family
ID=62436080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720446142.XU Active CN207315174U (en) | 2017-04-26 | 2017-04-26 | Interior gas-flow closure adhesive tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207315174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060613A (en) * | 2017-04-26 | 2017-08-18 | 武健 | Interior gas-flow closure adhesive tape |
-
2017
- 2017-04-26 CN CN201720446142.XU patent/CN207315174U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107060613A (en) * | 2017-04-26 | 2017-08-18 | 武健 | Interior gas-flow closure adhesive tape |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207315174U (en) | Interior gas-flow closure adhesive tape | |
| CN211951447U (en) | Dual self sealss electric stop valve | |
| CN207935433U (en) | A kind of sealing ring and sealing mechanism, vacuum freeze drier with the sealing ring | |
| CN107060613A (en) | Interior gas-flow closure adhesive tape | |
| CN207584014U (en) | sealing ring and sealing structure | |
| CN207486045U (en) | A kind of sealing ring of the pre-sealed function of band | |
| CN206478377U (en) | Air inflation sealing device for large diameter pipeline | |
| CN206001015U (en) | Controlled fluid contact sealing device | |
| CN205858125U (en) | Gas sealing mechanism for isolator seal door sealing | |
| CN210623867U (en) | Pipeline sealing structure for sewage treatment | |
| CN212717944U (en) | Self-closing pressure container | |
| CN202788541U (en) | Novel multi-sealed cleaning door | |
| CN207728564U (en) | The electric air-conditioning of self-compensation sealed compresses moving plate | |
| CN106594449B (en) | Air inflation sealing device for large diameter pipeline | |
| CN208486766U (en) | Improve the lifting sliding door of air-tightness | |
| CN208291973U (en) | The apex angle sealing structure of frozen products insulated container | |
| CN206145143U (en) | Self sealss central line butterfly valve valve plate | |
| CN207864617U (en) | A kind of on-deformable obturator pore structure of air tightness test structure | |
| CN207554913U (en) | Self sealss resilient gate valve | |
| CN207145690U (en) | A kind of Non-return air valve | |
| CN203612354U (en) | Sealing rubber strip structure for packaging box | |
| CN205482076U (en) | Cold storage door body leakproofness silica gel strip structure | |
| CN206231851U (en) | A kind of repeatedly used inflatable hole sealing bag | |
| CN204473468U (en) | A kind of emulsion pumps with air interchanger | |
| CN105040837B (en) | The self-enclosed waterproof jacket of assembled wall preformed hole and implementation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211123 Address after: No. 485, zhaoxindian village, Changxindian Township, Fengtai District, Beijing 100072 Patentee after: Beijing Changfeng Chengyao Technical Service Center Address before: No. 485, Zhaoxin village, Changxindian Town, Fengtai District, Beijing 100072 Patentee before: Wu Jian |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220415 Address after: 061113 No. 5, Chicheng West Road, medical device and consumables Park, ZOJE Industrial Park, Bohai new area, Cangzhou City, Hebei Province Patentee after: Hebei Rongfeng disinfection equipment Co.,Ltd. Address before: No. 485, zhaoxindian village, Changxindian Township, Fengtai District, Beijing 100072 Patentee before: Beijing Changfeng Chengyao Technical Service Center |