CN210217567U - Sealing structure of drawer door - Google Patents
Sealing structure of drawer door Download PDFInfo
- Publication number
- CN210217567U CN210217567U CN201920457474.7U CN201920457474U CN210217567U CN 210217567 U CN210217567 U CN 210217567U CN 201920457474 U CN201920457474 U CN 201920457474U CN 210217567 U CN210217567 U CN 210217567U
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- sealing strip
- groove
- expansion
- drawer door
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Abstract
The utility model discloses a can improve seal structure of drawer door of waterproof grade, include: the drawer door is characterized in that a closed-loop sealing strip is arranged on the periphery of the inner side of the drawer door, the cross section of the sealing strip is arc-shaped, the circumferential angle between end points of two sides of the cross section is larger than or equal to 140 degrees and smaller than or equal to 165 degrees, the top of the center of the sealing strip is provided with a groove for expansion, the depth of the groove for expansion is smaller than three tenths of the distance between the bottom wall of the groove for expansion and the bottom of the sealing strip and larger than one fifth of the distance between the bottom wall of the groove for expansion and the bottom of the sealing strip, and the circumferential angle between the top ends of the two sides. The sealing structure is particularly suitable for severe working condition environments.
Description
Technical Field
The utility model relates to a seal structure especially involves a seal structure of drawer door.
Background
At present, the waterproof grade of the drawer door of the traditional electrical control cabinet generally can not reach IP54, and the use in the common working condition environment can not be said to be a problem. But the normal use of the device under some severe working conditions cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provided is a sealing structure of a drawer door for improving a waterproof grade.
In order to solve the technical problem, the utility model discloses a technical scheme does: a sealing structure of a drawer door, comprising: the drawer door is characterized in that a closed-loop sealing strip is arranged on the periphery of the inner side of the drawer door, the cross section of the sealing strip is arc-shaped, the circumferential angle between end points of two sides of the cross section is larger than or equal to 140 degrees and smaller than or equal to 165 degrees, the top of the center of the sealing strip is provided with a groove for expansion, the depth of the groove for expansion is smaller than three tenths of the distance between the bottom wall of the groove for expansion and the bottom of the sealing strip and larger than one fifth of the distance between the bottom wall of the groove for expansion and the bottom of the sealing strip, and the circumferential angle between the top ends of two sides of the groove.
Preferably, in the sealing structure of the drawer door, a circumferential angle between end points of both sides of a cross section of the sealing strip is 150 degrees or more and 160 degrees or less.
Preferably, in the sealing structure of the drawer door, a circumferential angle of the top ends of the expansion groove is 6.5 degrees or more and 8.5 degrees or less.
The utility model has the advantages that: the utility model discloses a change the shape of sealing strip, improved its waterproof grade greatly, can reach IP 54's waterproof grade completely to can guarantee that this seal structure normal use under the more abominable operating mode environment.
Drawings
Fig. 1 is a schematic view of a sealing structure of a drawer door according to the present invention.
FIG. 2 is a schematic sectional view A-A of FIG. 1.
Fig. 3 is an enlarged schematic view of a portion B of fig. 2.
The reference numerals in fig. 1 to 3 are 1, drawer door, 2, sealing strip, 21, expansion groove, α, circumferential angle between the end points of both sides of the cross section of the sealing strip, β, circumferential angle of the top ends of both sides of the expansion groove.
Detailed Description
A specific embodiment of a sealing structure for a drawer door according to the present invention will be described in detail below with reference to fig. 1 to 3.
As shown in fig. 1, the sealing structure of the drawer door of the present invention comprises a drawer door 1, wherein a closed-loop sealing strip 2 is disposed around the inner side of the drawer door 1, as shown in fig. 2, the cross section of the sealing strip 2 is arc-shaped, as shown in fig. 3, a circumferential angle α between end points of both sides of the cross section of the sealing strip 2 is greater than or equal to 140 degrees, less than or equal to 165 degrees, preferably greater than or equal to 150 degrees, less than or equal to 160 degrees, the central top of the sealing strip 2 is provided with a groove 21 for expansion, the depth of the groove 21 for expansion is less than three tenths of the distance between the bottom wall of the groove 21 for expansion and the bottom of the sealing strip 2, and is greater than one fifth of the distance between the bottom wall of the groove 21 for expansion and the bottom of the sealing strip 2, and the circumferential angle of the top ends of both sides of the groove 21 for expansion is greater than or equal.
In the actual use process, after the drawer door 1 is closed, the two sides of the expansion groove 21 are respectively sealed with the cabinet body. Moreover, the inside device that generates heat that all is provided with of electrical control cabinet usually for its inside air temperature rises to some extent, and meanwhile, the temperature of the air also can follow the rising in the recess 21 for the inflation, makes the air inflation in the recess 21 for the inflation, makes sealing strip 2 paste the cabinet body more tightly.
In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the shapes, structures, features and spirit of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (3)
1. A sealing structure of a drawer door, comprising: drawer door, the inboard of drawer door is provided with closed loop's sealing strip all around, its characterized in that: the cross section of the sealing strip is arc-shaped, the circumferential angle between end points on two sides of the cross section is larger than or equal to 140 degrees and smaller than or equal to 165 degrees, the top of the center of the sealing strip is provided with a groove for expansion, the depth of the groove for expansion is smaller than three-tenth of the distance between the bottom wall of the groove for expansion and the bottom of the sealing strip and is larger than one fifth of the distance between the bottom wall of the groove for expansion and the bottom of the sealing strip, and the circumferential angle between the top ends on two sides of the groove for expansion is larger than or equal to 5 degrees and.
2. A sealing structure of a drawer door according to claim 1, wherein: the circumferential angle between the end points of the two sides of the cross section of the sealing strip is larger than or equal to 150 degrees and smaller than or equal to 160 degrees.
3. A sealing structure of a drawer door according to claim 1 or 2, wherein: the circumferential angle of the top ends of the two sides of the expansion groove is more than or equal to 6.5 degrees and less than or equal to 8.5 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920457474.7U CN210217567U (en) | 2019-04-04 | 2019-04-04 | Sealing structure of drawer door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920457474.7U CN210217567U (en) | 2019-04-04 | 2019-04-04 | Sealing structure of drawer door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210217567U true CN210217567U (en) | 2020-03-31 |
Family
ID=69922601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920457474.7U Active CN210217567U (en) | 2019-04-04 | 2019-04-04 | Sealing structure of drawer door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210217567U (en) |
-
2019
- 2019-04-04 CN CN201920457474.7U patent/CN210217567U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |