CN215255889U - Anti-drop sealing frame - Google Patents
Anti-drop sealing frame Download PDFInfo
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- CN215255889U CN215255889U CN202120822910.3U CN202120822910U CN215255889U CN 215255889 U CN215255889 U CN 215255889U CN 202120822910 U CN202120822910 U CN 202120822910U CN 215255889 U CN215255889 U CN 215255889U
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Abstract
The utility model discloses an anticreep sealing frame belongs to sealed technical field. The anti-falling sealing frame comprises an anti-falling layer, an anti-falling air valve, a sealing air valve and a sealing layer. The utility model is additionally provided with the anti-falling layer, the adsorption cavity arranged at the bottom of the anti-falling layer can adsorb itself to the bottom surface of the groove for filling the sealing frame under the assistance of the anti-falling air valve, thereby providing a stable acting point for the filling and shrinking processes of the sealing frame, having a positioning function on the sealing frame, and preventing the dislocation of the sealing frame, thereby avoiding the separation of the sealing frame from the groove, further enhancing the positioning effect of the inflatable sealing frame and ensuring that the inflatable sealing frame has anti-falling capacity; after having stable working process, sealed frame has reduced the friction of sufficient lateral wall and external world in can withdrawing the recess completely, extrusion when having avoided the cabin door to open and shut in addition the protection of clutch blocks to sufficient lateral wall, has prolonged sealed frame's life.
Description
Technical Field
The utility model belongs to the technical field of it is sealed, especially, sealed frame of anticreep.
Background
The inflatable sealing frame is a sealing element which is affected by conditions such as processing, assembly, ambient temperature and the like, so that the sealing gap is inconsistent or changed. At present, the inflatable sealing frame is widely applied to large doors, and between a pipeline port and a valve which are opened and closed frequently, the inflatable sealing frame inflates the sealing frame through an air nozzle, the side section of the sealing frame fills from an inward concave shape to a circular shape until an expansion end is in close contact with an external sealing surface, and a sealing effect is achieved.
As far as the prior art is concerned: the inflatable sealing frame is generally filled in the groove, but the groove only approximately limits the working position of the inflatable sealing frame, and the acting point of the soft sealing frame is not fixed in the process of repeated filling and contraction of the sealing frame, so that the position of the sealing frame after each contraction can slightly change, even the sealing frame is separated from the groove at a certain node, the poor positioning effect of the existing inflatable sealing frame is reflected, and the anti-falling capacity is not realized; if the sealing frame is not completely accommodated in the groove, the sealing frame is extruded by the cabin door during opening and closing, so that the sealing frame is damaged and leaks air, and the wearing speed of the inflatable sealing frame is high, and the service life is short.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: an anti-drop sealing frame is provided to solve the above problems in the prior art.
The technical scheme is as follows: an anti-drop sealing frame comprises an anti-drop layer, an anti-drop air valve, a sealing air valve and a sealing layer; the anti-falling air valve is installed on the anti-falling layer, the sealing layer is connected to the anti-falling layer, and the sealing air valve is installed on the sealing layer.
In a further embodiment, the side-cut structure of the anti-separation layer is in an isosceles trapezoid shape, an adsorption cavity is formed in the middle of the lower end face of the anti-separation layer, the anti-separation layer is made of a flexible material, the flexible material is preferably silicon rubber, ethylene propylene diene monomer rubber, butadiene acrylonitrile rubber and the like, and the anti-separation layer can be in close contact with the ground of the groove through the adsorption cavity to play a role in fixing the sealing frame.
In a further embodiment, the upper end face of the anti-separation layer is connected with a sealing layer, the sealing layer is composed of a filling side wall and a friction block, one end of the filling side wall is connected with the left end of the upper end face of the anti-separation layer, the other end of the filling side wall is connected with the right end of the upper end face of the anti-separation layer, the upper end face of the anti-separation layer and the filling side wall form an air sealing cavity, the friction block is connected to the middle of the outer surface of the filling side wall, the sealing layer and the anti-separation layer are of an integrated structure, the integration degree of the sealing frame can be improved, and the use is convenient.
In a further embodiment, sufficient lateral wall and clutch blocks structure as an organic whole, the upper surface of clutch blocks is right angle form protruding structure, and the clutch blocks can contact at first and leave external sealing end face at last at the in-process that the atmoseal chamber is sufficient with the shrink, when playing and improving sealed effect, has still reduced sufficient lateral wall and external wearing and tearing.
In a further embodiment, an anti-separation air valve is installed on the outer side wall of the anti-separation layer, the left end of the anti-separation air valve penetrates through the anti-separation layer and extends to the inside of the adsorption cavity, and the anti-separation air valve can form negative pressure between the adsorption cavity and the groove by means of an external pneumatic device, so that the anti-separation layer is in close contact with the groove, and the sealing frame is prevented from being separated from the groove in the working process.
In a further embodiment, a sealing air valve is mounted on the outer surface of the filling side wall, the left end of the sealing air valve penetrates through the filling side wall and extends into the air sealing cavity, and the sealing air valve can control the state of the air sealing cavity by means of an external pneumatic device to realize the conversion of filling and contraction.
Has the advantages that: the utility model is additionally provided with the anti-falling layer, the adsorption cavity arranged at the bottom of the anti-falling layer can adsorb itself to the bottom surface of the groove for filling the sealing frame under the assistance of the anti-falling air valve, thereby providing a stable acting point for the filling and shrinking processes of the sealing frame, having a positioning function on the sealing frame, and preventing the dislocation of the sealing frame, thereby avoiding the separation of the sealing frame from the groove, further enhancing the positioning effect of the inflatable sealing frame and ensuring that the inflatable sealing frame has anti-falling capacity; after having stable working process, sealed frame has reduced the friction of sufficient lateral wall and external world in can withdrawing the recess completely, extrusion when having avoided the cabin door to open and shut in addition the protection of clutch blocks to sufficient lateral wall, has prolonged sealed frame's life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the utility model in a contracted state.
Fig. 3 is a cross-sectional view of the utility model in a full state.
The reference signs are: the anti-delamination layer 1, the adsorption cavity 11, the anti-delamination valve 2, the sealing valve 3, the sealing layer 4, the air sealing cavity 41, the filling side wall 42 and the friction block 43.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
As shown in figure 1, the anti-drop sealing frame comprises an anti-drop layer 1, an anti-drop air valve 2 arranged on the anti-drop layer 1, and a sealing layer 4 connected on the anti-drop layer 1;
as shown in fig. 2-3, the anti-drop layer 1 with an isosceles trapezoid side section structure is provided with an adsorption cavity 11 in the middle of the lower end surface thereof, and the anti-drop layer 1 made of a flexible material is preferably made of silicon rubber, ethylene propylene diene monomer, butadiene acrylonitrile rubber, or the like; the anti-drop air valve 2 is arranged on the anti-drop layer 1, the left end of the anti-drop air valve 2 penetrates through the outer side wall of the anti-drop layer 1 and extends into the adsorption cavity 11, and the anti-drop air valve 2 generates negative pressure between the adsorption cavity 11 and the sealing frame mounting groove through an external air compressor so that the anti-drop layer 1 is adsorbed into the groove to play a positioning role; the sealing layer 4 is connected to the upper end face of the anti-delamination layer 1, the sealing layer 4 and the anti-delamination layer 1 are made of the same material and are of an integral structure, the filling side wall 42 and the friction block 43 form the sealing layer 4, one end of the filling side wall 42 is connected to the left end of the upper end face of the anti-delamination layer 1, the other end of the filling side wall 42 is connected to the right end of the upper end face of the anti-delamination layer 1, the filling side wall 42 and the upper end face of the anti-delamination layer 1 are wrapped out of the air sealing cavity 41, the friction block 43 with a right-angle convex structure on the upper surface is connected to the middle of the outer side wall of the filling side wall 42, the friction block 43 and the filling side wall 42 are of an integral structure, the friction block 43 firstly contacts with and finally leaves the external sealing end face in the filling and shrinking processes of the air sealing cavity 41, abrasion between the filling side wall and the external world is reduced, and the service life of the sealing frame is prolonged; the sealing air valve 3 is installed on the filling side wall 42, the left end of the sealing air valve 3 penetrates through the filling side wall 42 and extends to the inside of the air sealing cavity 41, the right end of the sealing air valve 3 is connected with an external pneumatic device, and the air sealing cavity 41 is controlled to realize the conversion of filling and contraction.
Particularly, the utility model discloses need to guarantee to load the cleanness of the recess bottom surface of sealed frame when using, at first load in the recess with anti-delamination layer 1, after adjusting the mounted position, connect anti-delamination valve 2 with external air compressor machine, absorb the air in the recess with the help of external air compressor machine with the help of absorption chamber 11, make and absorb and form the negative pressure between chamber 11 and the recess, anti-delamination layer 1 is fixed in the recess, this operation provides stable impetus for the process of sealed frame filling and shrink, avoided the dislocation of sealed frame and the condition emergence of breaking away from the recess, then remove external air compressor machine; then the sealing air valve 3 is connected with an external pneumatic device, air is supplied or sucked into the air sealing cavity 41 through the sealing air valve 3, the sealing frame is changed between the filling state and the contraction state, and the requirement for large-gap sealing is met.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be modified to perform various equivalent transformations, which all belong to the protection scope of the present invention.
Claims (6)
1. An anti-drop sealing frame is characterized by comprising an anti-drop layer, an anti-drop air valve, a sealing air valve and a sealing layer; the anti-falling air valve is installed on the anti-falling layer, the sealing layer is connected to the anti-falling layer, and the sealing air valve is installed on the sealing layer.
2. The anti-drop sealing frame according to claim 1, wherein the side-cut structure of the anti-drop layer is an isosceles trapezoid, an adsorption cavity is formed in the middle of the lower end face of the anti-drop layer, and the anti-drop layer is made of a flexible material, wherein the flexible material can be selected from silicone rubber, ethylene propylene diene monomer rubber and butadiene acrylonitrile rubber.
3. The anti-separation sealing frame according to claim 1, wherein the sealing layer is connected to the upper end surface of the anti-separation layer, the sealing layer is composed of filling side walls and friction blocks, one end of each filling side wall is connected to the left end of the upper end surface of the anti-separation layer, the other end of each filling side wall is connected to the right end of the upper end surface of the anti-separation layer, the upper end surface of the anti-separation layer and the filling side walls define an air sealing cavity, the friction blocks are connected to the middle portions of the outer surfaces of the filling side walls, and the sealing layer and the anti-separation layer are of an integral structure.
4. The anti-separation sealing frame according to claim 3, wherein the filling side wall and the friction block are of an integral structure, and the upper surface of the friction block is of a right-angle convex structure.
5. The anti-drop sealing frame according to claim 1, wherein an anti-drop air valve is mounted on the outer side wall of the anti-drop layer, and the left end of the anti-drop air valve passes through the anti-drop layer and extends to the inside of the adsorption cavity.
6. The anti-separation sealing frame according to claim 3, wherein a sealing air valve is mounted on the outer surface of the filling side wall, and the left end of the sealing air valve penetrates through the filling side wall and extends into the air sealing cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120822910.3U CN215255889U (en) | 2021-04-21 | 2021-04-21 | Anti-drop sealing frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120822910.3U CN215255889U (en) | 2021-04-21 | 2021-04-21 | Anti-drop sealing frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215255889U true CN215255889U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120822910.3U Active CN215255889U (en) | 2021-04-21 | 2021-04-21 | Anti-drop sealing frame |
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| Country | Link |
|---|---|
| CN (1) | CN215255889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791304A (en) * | 2022-04-07 | 2022-07-26 | 广州医科大学附属第一医院（广州呼吸中心） | Sealed pollutant gas exposes cabin body |
-
2021
- 2021-04-21 CN CN202120822910.3U patent/CN215255889U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791304A (en) * | 2022-04-07 | 2022-07-26 | 广州医科大学附属第一医院（广州呼吸中心） | Sealed pollutant gas exposes cabin body |
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