CN213451663U - Primary and secondary buckle type sealing strip structure - Google Patents
Primary and secondary buckle type sealing strip structure Download PDFInfo
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- CN213451663U CN213451663U CN202022201286.3U CN202022201286U CN213451663U CN 213451663 U CN213451663 U CN 213451663U CN 202022201286 U CN202022201286 U CN 202022201286U CN 213451663 U CN213451663 U CN 213451663U
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Abstract
The utility model relates to a box-and-spigot formula sealing strip structure, characterized by: the method comprises the following steps: the sealing structure comprises a cover body (1), a mother sealing strip (2), a child sealing strip (5) and a box body seam allowance (6), wherein the cover body (1) provides an installation foundation for the mother sealing strip (2), the cover body (1) is of a chair structure, a groove body is arranged below a chair surface, the mother sealing strip (2) is fixed in the groove body, and the child sealing strip (5) wraps the box body seam allowance (6) below the central line of the mother sealing strip (2); the middle of the female sealing strip (2) is provided with a cavity structure (3), the cavity structure (3) is long in the horizontal direction and short in the vertical direction, and the cavity structure (3) is located in the central space in the groove body. This kind of primary and secondary knot formula sealing strip structure to prevent that conversion equipment from intaking, advancing dirt, improve the inside spare part operational environment of conversion equipment, improve equipment reliability, reduced user's loss.
Description
Technical Field
The utility model relates to a sealing strip structure for quiet is sealed, and what say definitely is about a primary and secondary buckle formula sealing strip structure, is particularly useful for the sealed between switch conversion equipment's cover and box tang.
Background
Switch conversion equipment is used for drawing the switch, changes the direction of opening of switch, and the most forms that adopt box and cover of its structure, and for the convenience on-the-spot maintenance to switch conversion equipment, the cover adopts more to rotate around an axle, the mode of opening of following the other end and lifting. Because switch conversion equipment all installs in the roadside, environmental condition is comparatively abominable, consequently has higher requirement to the sealing performance of cover, requires dustproof, waterproof.
Normally, a rubber strip is used for static pressure sealing between the cover and the box body. The sealing strip is installed in the groove type structure at cover edge, and the cover closes the back sealing strip and compresses tightly with the box tang, realizes the sealed between cover and the box. But the sealing performance of the sealing strip with the existing structure is poor, the main reason is that the compression amount of the sealing strip is insufficient, the front and back compression amounts of the sealing strip are different easily caused by the installation mode of opening the cover, and the sealing strip material is aged, the elasticity is poor and the sealing performance is further deteriorated along with the lapse of time.
The sealing performance of the sealing strip is deteriorated, so that water and dust enter the conversion equipment, the working environment of the internal parts of the conversion equipment is influenced, the reliability of the equipment is reduced, and great loss is caused for users.
Disclosure of Invention
The utility model provides a primary and secondary knot formula sealing strip structure to prevent that conversion equipment from intaking, advancing dirt, improve the inside spare part operational environment of conversion equipment, improve equipment's reliability has reduced the user loss.
In order to solve the above problem, the technical scheme of the utility model is that: relate to a primary and secondary knot formula sealing strip structure, include: the cover body is of a chair structure, a groove-shaped body is arranged below the chair surface, the female sealing strip is fixed in the groove-shaped body, and the sub-sealing strip wraps the box body seam allowance below the central line of the female sealing strip.
The middle of the female sealing strip is of a cavity structure, the cavity structure is long in the horizontal direction and short in the vertical direction, and the cavity structure is located in the central space in the groove body.
The front chair leg of the cover body of the chair structure is long, the rear chair leg of the cover body of the chair structure is short, and the height of the mother sealing strip is between the height of the front chair leg and the height of the rear chair leg of the chair structure.
The female sealing strip is of an elastic structure, and the acting bottom can be of an arc-shaped groove structure.
The section of the sub-sealing strip is of a symmetrical U-shaped structure.
The opening of the sub-sealing strip is thinner than the seam allowance of the box body.
And a glue coating layer is arranged in the U-shaped structure of the box body seam allowance or the sub-sealing strip.
The section of the female sealing strip is a symmetrical rectangle or a trapezoid, and the long edge of the female sealing strip is larger than the groove width of the cover body of the chair structure.
The groove structure of the cover body is internally or internally provided with glue.
The utility model has the advantages that:
when the secondary sealing strip is in contact with the primary sealing strip, the U-shaped head is in contact with the arc-shaped groove of the primary sealing strip, the contact area is larger, the contact is more reliable, the mounting error between the cover and the box body can be effectively adapted, and the sealing performance is effectively improved.
The internal design of female sealing strip has along 2 length direction's of female sealing strip cavity structures, can press in when female sealing strip arc recess inside at the sub-sealing strip, and female sealing strip can produce bigger deflection, and then inseparabler with the sub-sealing strip contact, and sealing performance is also more reliable.
The invention will be further explained with reference to the drawings of the embodiments.
Drawings
Fig. 1 is a schematic cross-sectional view of an embodiment of a primary-secondary buckle type sealing strip structure of the present invention.
In the figure: 1. a cover body; 2. a female seal strip; 3. a cavity structure; 4. an arc-shaped groove structure; 5. a sub-seal strip; 6. and a box body spigot.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined purpose, the following detailed description of the embodiments, structural features and effects of the present invention will be made with reference to the accompanying drawings and examples.
As shown in fig. 1, the utility model relates to a primary and secondary knot formula sealing strip structure, include: lid 1, female sealing strip 2, child sealing strip 5, box tang 6, lid 1 provides the installation basis for female sealing strip 2, and wherein lid 1 is "chair" structure, is the cell type body below the seat, and female sealing strip 2 is fixed at the cell type internally, has child sealing strip 5 parcel box tang 6 below the 2 central lines of female sealing strip.
For increasing the compression deformation of the female sealing strip 2, the middle of the female sealing strip 2 is a cavity structure 3, the cavity structure 3 is long in the horizontal direction and short in the vertical direction, and the cavity structure 3 is located in the central space in the groove body.
The cover body 1 of the chair structure is long in front chair legs and short in rear chair legs, and the height of the mother sealing strip 2 is between the height of the front chair legs and the height of the rear chair legs of the chair structure.
The female sealing strip 2 is of an elastic structure, and the acting bottom is of an arc-shaped groove structure 4.
The section of the sub-sealing strip 5 is of a symmetrical U-shaped structure, and during installation, the U-shaped structure of the sub-sealing strip 5 clamps the box body spigot 6.
The opening of the sub-sealing strip 5 is thinner than the box body spigot 6, after the sub-sealing strip 5 is installed on the box body spigot 6, the opening of the sub-sealing strip 5 is opened, and the waterproof performance and the installation reliability are improved by means of the elastic fixation generated by the deformation of the sub-sealing strip 5.
Before installation, glue can be applied to the box body spigot 6 or the U-shaped structure of the sub-sealing strip 5, so that the reliable connection between the sub-sealing strip 5 and the box body spigot 6 is ensured.
The section of the female sealing strip 2 is a symmetrical rectangle or a trapezoid, the long edge of the female sealing strip 2 is larger than the groove width of the cover body 1 of the chair structure, and the female sealing strip 2 is fixed in the structure of the groove of the chair structure by means of the elasticity generated by the deformation of the female sealing strip 2.
In order to improve the waterproof performance and the installation reliability, the groove-shaped structure of the cover body 1 can be coated with glue before installation, and the reliable connection between the female sealing strip 2 and the cover body 1 is ensured.
After the cover body 1 and the box body spigot 6 are closed and compressed, the female sealing strip 2 and the child sealing strip 5 are buckled to form sealing, wherein the U-shaped head of the child sealing strip 5 is in contact with the arc-shaped groove of the female sealing strip 2, the strip-shaped cavity structure 3 of the female sealing strip 2 is compressed, the compression deformation of the sealing strip is guaranteed, and sealing between the cover body and the box body is achieved.
In fact, the structure of the cover 1 is not limited to the "chair" structure.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (9)
1. The utility model provides a primary and secondary knot formula sealing strip structure, characterized by: the method comprises the following steps: lid (1), female sealing strip (2), child sealing strip (5), box tang (6), lid (1) provides the installation basis for female sealing strip (2), and wherein lid (1) is "chair" structure, is the cell type body below the seat, and female sealing strip (2) are fixed at the cell type internally, have child sealing strip (5) parcel box tang (6) below female sealing strip (2) central line.
2. The primary and secondary snap-on seal strip structure as claimed in claim 1, wherein: the middle of the female sealing strip (2) is provided with a cavity structure (3), the cavity structure (3) is long in the horizontal direction and short in the vertical direction, and the cavity structure (3) is located in the central space in the groove body.
3. The primary and secondary snap-on seal strip structure as claimed in claim 1, wherein: the cover body (1) of the chair structure is long in front chair legs and short in rear chair legs, and the height of the mother sealing strip (2) is between the height of the front chair legs and the height of the rear chair legs of the chair structure.
4. The primary and secondary snap-on seal strip structure as claimed in claim 1, wherein: the female sealing strip (2) is of an elastic structure, and the acting bottom is of an arc-shaped groove structure (4).
5. The primary and secondary snap-on seal strip structure as claimed in claim 1, wherein: the section of the sub-sealing strip (5) is of a symmetrical U-shaped structure.
6. The primary and secondary snap-on seal strip structure as claimed in claim 1, wherein: the opening of the sub-sealing strip (5) is thinner than the thickness of the box body spigot (6).
7. The primary and secondary snap-on seal strip structure as claimed in claim 1, wherein: the U-shaped structure of the box body seam allowance (6) or the sub-sealing strip (5) is internally provided with a glue coating.
8. The primary and secondary snap-on seal strip structure as claimed in claim 1, wherein: the section of the female sealing strip (2) is a symmetrical rectangle or a trapezoid, and the long edge of the female sealing strip (2) is larger than the groove width of the chair-structure cover body (1).
9. The primary and secondary snap-on seal strip structure as claimed in claim 1, wherein: the groove-shaped structure of the cover body (1) is internally or internally provided with glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022201286.3U CN213451663U (en) | 2020-09-29 | 2020-09-29 | Primary and secondary buckle type sealing strip structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022201286.3U CN213451663U (en) | 2020-09-29 | 2020-09-29 | Primary and secondary buckle type sealing strip structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213451663U true CN213451663U (en) | 2021-06-15 |
Family
ID=76286484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022201286.3U Active CN213451663U (en) | 2020-09-29 | 2020-09-29 | Primary and secondary buckle type sealing strip structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213451663U (en) |
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2020
- 2020-09-29 CN CN202022201286.3U patent/CN213451663U/en active Active
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