CN202715409U - Sealing device for microwave digestion tank - Google Patents
Sealing device for microwave digestion tank Download PDFInfo
- Publication number
- CN202715409U CN202715409U CN 201220331634 CN201220331634U CN202715409U CN 202715409 U CN202715409 U CN 202715409U CN 201220331634 CN201220331634 CN 201220331634 CN 201220331634 U CN201220331634 U CN 201220331634U CN 202715409 U CN202715409 U CN 202715409U
- Authority
- CN
- China
- Prior art keywords
- bearing plate
- sealing
- sealing ring
- micro
- sealing device
- 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
Links
Images
Landscapes
- Closures For Containers (AREA)
Abstract
The utility model provides a sealing device for a microwave digestion tank. The sealing device comprises a sealing cover, a sealing ring and a bearing plate, wherein one end of the bearing plate is fixedly connected with the sealing cover; and the sealing ring is arranged between the sealing cover and the bearing plate. The sealing cover and the bearing plate are used for limiting and fixing the position of the sealing ring, so that the sealing ring can be stably and closely attached to the inner wall of a part to be sealed, and the sealing effect of the device is ensured. The sealing device for the microwave digestion tank has the advantages that the sealing device can be repeatedly used for a plurality of times, so that the production cost is lowered; a very good sealing effect is obtained regardless of the air pressure in the device; and the device has a high safety factor.
Description
Technical field
The utility model relates to a kind of sealing device, specifically, relates to a kind of sealing device for micro-wave diminishing pot.
Background technology
In the micro-wave digestion field, mostly sealing device commonly used is to combine with seal cover and tank body in the market, as shown in Figure 1, bearing plate 6 one ends and seal cover 1 are affixed, the bowl end of the other end and obturating cup 2, is affixed, obturating cup 2 is made by the polytetrafluoro material, and its bowl wall shirt rim is very thin, the rim of a bowl of obturating cup 2 direction at the bottom of the tank of tank body 3 during installation.Its sealing principle is: tank body 3 internal gas pressures strut the bowl wall of obturating cup 2 during sealing, so that the applying of bowl wall and tank body 3 inwalls, thereby play the effect of sealing.When sealing finished to need pressure release, obturating cup 2 can be to moving away from the direction at the bottom of the tank, until bowl wall shirt rim moves to relief pipeline 4 porch, internal gas overflows from relief pipeline 4, thereby plays the effect of pressure release.
But the deficiency of existing apparatus is,
One, during pressure release, the ambient atmos pressure that gas pressure is subject to much larger than outer wall in the tank that the obturating cup inwall is subject to, turning up in a bowl wall shirt rim, causes the obturating cup can't Reusability, increased production cost;
When two, the tank internal gas pressure was mesolow, sealing effectiveness was poor, because the tank internal gas pressure is large not, the bowl wall of obturating cup can't be strutted fully and make itself and inner tank wall applying.
The utility model content
In order to address the above problem, the utility model provides a kind of sealing device for micro-wave diminishing pot, can solve use cost height and the not good technical problem of sealing effectiveness in the prior art.
For achieving the above object, the utility model provides a kind of sealing device for micro-wave diminishing pot, comprises seal cover, sealing ring and bearing plate, and described bearing plate one end and seal cover are affixed; Described sealing ring is arranged between seal cover and the bearing plate.Fix the position of sealing ring by seal cover and bearing plate restriction, make interior stable the fitting tightly of wall energy of itself and the parts that need sealing, the sealing effectiveness of assurance device.
Further, described sealing ring is fully closed circulus.Its effect is to guarantee that the interior wall energy of sealing ring and the parts that need sealing has complete the fitting tightly of a circle, thus the sealing effectiveness of assurance device.
Further, be close contact between described sealing ring and seal cover outer wall.Its effect is the sealing effectiveness of assurance device.
Further, be close contact between described sealing ring and bearing plate outer wall.Its effect is the sealing effectiveness of assurance device.
Further, described bearing plate is not concave curved surface with the surface of the affixed end of seal cover.The effect of bearing plate is the pressure in the holder, thus moving sealed closure, it is can be more concentrated for pressure that its surface is made as concave curved surface, the tank internal pressure is so that the movement of seal cover is sensitiveer.
Further, between described seal cover and bearing plate for being spirally connected.Its effect is to fix sealing ring, guarantees that the sealing effectiveness of counteracting tank is good.
Further, described bearing plate is provided with the pilot pin of a projection; Described seal cover is provided with the locating hole of a depression, and the inside radius size of pilot pin outer radius and locating hole is complementary, and by pilot pin is inserted in the locating hole, can realize the closely affixed of bearing plate and seal cover.Its effect is to fix sealing ring, guarantees that the sealing effectiveness of counteracting tank is good.
Further, described sealing ring material is the material that fluorubber etc. can not absorb microwave, and the sealing ring outer surface can also be coated with one deck soluble poly tetrafluoroethene (hereinafter referred PFA).
The advantage that the utility model is used for the sealing device of micro-wave diminishing pot is:
One, can repeatedly use, reduce production costs;
Two, no matter install interior air pressure size, sealing effectiveness is all fine;
Three, safety coefficient is high.
Description of drawings
Figure 1 shows that the structural representation that is used for the sealing device of micro-wave diminishing pot in the prior art;
Figure 2 shows that the utility model is for the assembling explosive view of the sealing device of micro-wave diminishing pot among the first embodiment;
Figure 3 shows that the utility model is for the structural representation of sealing device under sealing state of micro-wave diminishing pot among the first embodiment;
Figure 4 shows that the utility model is for the structural representation of sealing device under the pressure release state of micro-wave diminishing pot among the first embodiment;
Figure 5 shows that the utility model is for the structural representation of sealing device under sealing state of micro-wave diminishing pot among the second embodiment;
The direction of arrow is tank internal gas pressure direction among the figure.
The corresponding relation of attached number in the figure is as follows:
1: seal cover; 101: locating hole; 2: obturating cup; 3: tank body; 301: the first tank bodies; 302: the second tank bodies; 303: circular step; 4: relief pipeline; 5: sealing ring; 6: bearing plate; 601: pilot pin.
The specific embodiment
Provide the utility model to be used for the specific embodiment of the sealing device of micro-wave diminishing pot below in conjunction with accompanying drawing.
The first embodiment:
Figure 2 shows that the utility model is used for the assembling explosive view of the sealing device of micro-wave diminishing pot, Figure 3 shows that the utility model is used for the structural representation of sealing device under sealing state of micro-wave diminishing pot.As shown in Figures 2 and 3, the utility model comprises seal cover 1, sealing ring 5, bearing plate 6 and tank body 3 for the sealing device of micro-wave diminishing pot.Described sealing ring material is silica gel.
During assembling, bearing plate 6 and seal cover 1 is affixed, simultaneously sealing ring 5 is fixed between the two.Figure 4 shows that the utility model is used for the structural representation of sealing device under the pressure release state of micro-wave diminishing pot.As shown in Figure 4, when tank body 3 internal gas pressures are excessive when needing pressure release, bearing plate 6 is subject to the pressure of gas in the tank body, so that bearing plate 6 and sealing ring 5 can be to moving away from the direction at the bottom of the tank, when bearing plate 6 moves to tank body 3 opening parts, gas can overflow pressure release from opening part in the tank, can not cause damage to sealing ring 5, so the seal cover 1 that arranges with sealing ring 5 is Reusability repeatedly, is conducive to reduce production costs.
Preferably, described bearing plate 6 is cylinder, and its outer radius equates with sealing ring 5 outer radius, and bearing plate 6 one ends are provided with the pilot pin 601 of projection, and the surface of the other end is concave curved surface; Described seal cover 1 is provided with the locating hole 101 of a depression, and the size of pilot pin 601 outer radius and locating hole 101 inside radius is complementary; Described sealing ring 5 is ring bodies, and its inside radius is slightly larger than seal cover 1 outer radius, and its outer radius is slightly less than the second tank body 302 inside radius.
Preferably, described pilot pin 601 is provided with external screw thread, and described locating hole 101 is provided with internal thread, and internal and external threads is complementary.
Preferably, described tank body 3 inwalls are provided with a circular step 303, the first tank body 301 that tank body is divided into contiguous tank mouth be connected tank at the bottom of the second tank body 302; The inside radius of the first tank body 301 is greater than the second tank body 302; The height of described seal cover 1 is greater than the height of the first tank body 301, so that fixed cap is filled in tank body or taken out in tank body.
During assembling, pilot pin 601 is passed sealing ring 5 screw in the locating holes 101 and be spirally connected with it.
During sealed shell of tank 3, bearing plate 6 and sealing ring 5 are filled in the tank body 3 from tank body 3 opening parts, until sealing ring 5 and the second tank body 302 inwall close contacts form a closed environment.
When tank body 3 internal gas pressures are excessive when needing pressure release, under the effect of tank internal gas pressure, sealing ring 5 can be to moving away from the direction at the bottom of the tank, when bearing plate 6 moves to the first tank body 301 place, because bearing plate 6 outer radius must be gapped between bearing plate 6 and the first tank body 301 inwalls less than the first tank body 301 inside radius, the interior gas of tank from then on gap location overflows, avoid that the tank internal gas pressure is excessive disposablely to be ejected seal cover 1 together with sealing ring 5, be unfavorable for work safety.
The second embodiment:
Figure 5 shows that the utility model is used for the structural representation of sealing device under sealing state of micro-wave diminishing pot.As shown in Figure 5, the utility model comprises seal cover 1, sealing ring 5, bearing plate 6 and tank body 3 for the sealing device of micro-wave diminishing pot.Described sealing ring material is fluorubber, and outer surface is coated with one deck PFA.Described bearing plate 6 is cylinder, and its outer radius equates with sealing ring 5 outer radius, and bearing plate 6 one ends are provided with the pilot pin 601 of a projection, and the surface of the other end is concave curved surface; Described seal cover 1 is provided with the locating hole 101 of a depression, and the size of pilot pin 601 outer radius and locating hole 101 inside radius is complementary; Sealing ring 5 is ring bodies, and its inside radius is slightly larger than seal cover 1 outer radius, and its outer radius is slightly less than tank body 3 inside radius.Pilot pin 601 is provided with external screw thread, and locating hole 101 is provided with internal thread, and this internal and external threads is complementary.Tank body 3 is provided with relief pipeline 4, and relief pipeline 4 one ends communicate with tank body 3 inwalls, and the other end communicates with external environment.
During assembling, pilot pin 601 is passed sealing ring 5 screw in the locating holes 101 and be spirally connected with it.
During sealed shell of tank 3, bearing plate 6 and sealing ring 5 are filled in the tank body 3 from tank body 3 opening parts, until sealing ring 5 forms a closed environment with tank body 3 inwall close contacts.
When tank body 3 internal gas pressures are excessive when needing pressure release, under the effect of tank internal gas pressure, sealing ring 5 can be to moving away from the direction at the bottom of the tank, and when bearing plate 6 moved to relief pipeline 4 and communicates the place with tank body 3 inwalls, the interior gas of tank overflowed by relief pipeline 4.
The above only is preferred embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model structure; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. a sealing device that is used for micro-wave diminishing pot is characterized in that, comprises seal cover, sealing ring and bearing plate,
Described bearing plate one end and seal cover are affixed;
Described sealing ring is arranged between seal cover and the bearing plate.
2. the sealing device for micro-wave diminishing pot as claimed in claim 1 is characterized in that, described sealing ring is fully closed circulus.
3. the sealing device for micro-wave diminishing pot as claimed in claim 2 is characterized in that, is close contact between described sealing ring and seal cover outer wall.
4. the sealing device for micro-wave diminishing pot as claimed in claim 3 is characterized in that, is close contact between described sealing ring and bearing plate outer wall.
5. the sealing device for micro-wave diminishing pot as claimed in claim 1 is characterized in that, described bearing plate is not concave curved surface with the surface of the affixed end of seal cover.
6. the sealing device for micro-wave diminishing pot as claimed in claim 1 is characterized in that, between described seal cover and bearing plate for being spirally connected.
7. the sealing device for micro-wave diminishing pot as claimed in claim 1 is characterized in that, described bearing plate is provided with the pilot pin of a projection; Described seal cover is provided with the locating hole of a depression, and the inside radius size of pilot pin outer radius and locating hole is complementary, and by pilot pin is inserted in the locating hole, can realize the closely affixed of bearing plate and seal cover.
8. the sealing device for micro-wave diminishing pot as claimed in claim 1 is characterized in that, described sealing ring material is fluorubber.
9. the sealing device for micro-wave diminishing pot as claimed in claim 1 is characterized in that, described sealing ring outer surface is coated with one deck soluble poly tetrafluoroethene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220331634 CN202715409U (en) | 2012-07-10 | 2012-07-10 | Sealing device for microwave digestion tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220331634 CN202715409U (en) | 2012-07-10 | 2012-07-10 | Sealing device for microwave digestion tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202715409U true CN202715409U (en) | 2013-02-06 |
Family
ID=47617249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220331634 Expired - Fee Related CN202715409U (en) | 2012-07-10 | 2012-07-10 | Sealing device for microwave digestion tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202715409U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773056A (en) * | 2012-07-10 | 2012-11-14 | 上海新拓分析仪器科技有限公司 | Sealing device for microwave digestion tank |
-
2012
- 2012-07-10 CN CN 201220331634 patent/CN202715409U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102773056A (en) * | 2012-07-10 | 2012-11-14 | 上海新拓分析仪器科技有限公司 | Sealing device for microwave digestion tank |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102773056A (en) | Sealing device for microwave digestion tank | |
| CN203439431U (en) | Turnover-cover type sport bottle cap | |
| CN202715409U (en) | Sealing device for microwave digestion tank | |
| CN201740537U (en) | Pavement condition sensor and package component and casing thereof | |
| CN204257716U (en) | Anti-explosion cover plate for lithium battery | |
| CN107989998A (en) | A kind of seal plug structure on heat-exchanging water tank magnesium rod preformed hole | |
| CN203568121U (en) | Food container sealing cover | |
| CN206976413U (en) | A kind of battery seal ring | |
| CN203581598U (en) | Bottle cap capable of preventing sealing gasket from falling down | |
| CN202387627U (en) | Sealing device for bucket body and bucket cover of sprayer | |
| CN208368358U (en) | A kind of explosion-proof type aluminium electrolutic capacitor | |
| CN203554556U (en) | Explosion-proof nitrogen-filling high speed ball-type camera | |
| CN203569092U (en) | Internal screwing cover storage tube | |
| CN105725855A (en) | Thermos bottle | |
| CN203760584U (en) | Alkaline battery | |
| CN201923464U (en) | Storage jar with sealing ring | |
| CN208769034U (en) | Cosmetic bottle | |
| CN201699087U (en) | Power lithium battery with plastic casing with upper cover with safe sealing device | |
| CN201580184U (en) | Portable pen case with cover | |
| CN201385866Y (en) | Multi-purpose wine bottle | |
| CN203094722U (en) | Sealing structure of wine bottle | |
| CN202401031U (en) | Rotary assembly type diesel precipitator | |
| CN205678347U (en) | A kind of discharging sealing device of silica gel swager | |
| CN201634055U (en) | Sealed ceramic jar | |
| CN208210500U (en) | A kind of end cap, power shell component and power module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20200710 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |