CN215932218U - Box body sealing structure of overhead optical cable joint box - Google Patents
Box body sealing structure of overhead optical cable joint box Download PDFInfo
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- CN215932218U CN215932218U CN202121461090.6U CN202121461090U CN215932218U CN 215932218 U CN215932218 U CN 215932218U CN 202121461090 U CN202121461090 U CN 202121461090U CN 215932218 U CN215932218 U CN 215932218U
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- 238000007789 sealing Methods 0.000 title claims abstract description 83
- 230000003287 optical effect Effects 0.000 title claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims 4
- 230000000694 effects Effects 0.000 description 7
- 230000007547 defect Effects 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of sealing structures, in particular to a box body sealing structure of an overhead cable joint box, which comprises a box body, wherein the box body is provided with a first groove, a sealing ring is arranged in the first groove of the box body and comprises an expansion ring, the expansion ring is arranged in the first groove, supporting edges are obliquely arranged on two sides of the expansion ring and used for tilting the supporting edges when the expansion ring is pressed down, a first edge is arranged on one side of the expansion ring, a second edge is arranged on the other side of the expansion ring, a box cover is arranged on the box body and provided with a second groove, the outline of the second groove is attached to the outline of the sealing ring, and a plurality of annular platforms are sequentially arranged on the outer surface of the sealing ring. Through above-mentioned technical scheme, the problem that the seal structure of the sealing washer body among the prior art is still imperfect has been solved.
Description
Technical Field
The utility model relates to the technical field of sealing structures, in particular to a box body sealing structure of an overhead optical cable joint box.
Background
The sealing structure of the sealing ring body in the prior art is still imperfect, most sealing structures are realized through mechanical structures, so that other sealing structures need to be additionally added when the sealing ring is used, the cost is increased, and time and labor are consumed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a box body sealing structure of an overhead optical cable joint box, which solves the problem that the sealing structure of a sealing ring body in the related technology is still imperfect.
The technical scheme of the utility model is as follows:
a box body sealing structure of an overhead cable joint box comprises,
a box body, wherein the box body is provided with a first groove,
the sealing ring is arranged in the first groove of the box body and comprises a sealing ring,
the expansion ring is arranged in the first groove and internally provided with a first annular cavity,
the supporting edges are obliquely arranged on two sides of the expansion ring and used for tilting when the expansion ring is pressed down to increase sealing contact points,
the first side wing is arranged on one side of the expansion ring, a second cavity is arranged in the first side wing, the second cavity is communicated with the first annular cavity,
the second side wing is arranged on the other side of the expansion ring and internally provided with a third cavity communicated with the second cavity
The box cover is arranged on the box body and is provided with a second groove, the outline of the second groove is attached to the outline of the sealing ring,
the annular platform, the annular platform is a plurality of, sets gradually on the sealing washer surface, be used for the reinforcing sealing washer seal stability.
As a further technical scheme, the box body is provided with a first convex edge, and the outer wall of the convex edge is provided with internal threads.
As a further technical scheme, the box cover is provided with a second convex edge, an outer thread is arranged on the inner wall of the convex edge, the outer thread is an outer thread, and the outer thread is used for being connected with the inner thread.
As a further technical solution, the first groove has,
a first arc surface for fitting with the expansion ring,
two first planes are respectively arranged on two sides of the first arc surface,
and two second arc surfaces are respectively arranged on one side of the plane far away from the first arc surface.
As a further technical solution, the second groove has,
a third arc surface for fitting with the expansion ring,
two second planes are respectively arranged at two sides of the third arc surface,
and two fourth arc surfaces are respectively arranged on one side of the plane far away from the third arc surface.
As a further technical solution, the second groove is symmetrically arranged with the first groove.
The working principle and the beneficial effects of the utility model are as follows:
the sealing ring in the prior art has the defect of incomplete sealing structure, most of the sealing performance is enhanced through a mechanical structure, the inventor in the embodiment designs the box body sealing structure of the overhead optical cable joint box specially aiming at the defect of incomplete sealing structure of the sealing ring in the prior art, wherein the box body is one of carriers to be sealed, a first groove on the box body can accommodate the sealing ring, an expansion ring on the sealing ring is provided with a first annular cavity in the box body, the annular cavity can provide a closed space for storing air when in work, four support edges are arranged at the connecting positions of the sealing ring and a first side wing and a second side wing, when the expansion ring is pressed down in the first groove, the support edges can be tilted, a sealing contact point is added, the relative sealing performance is better, a second cavity is arranged in the first side wing, when the expansion ring is compressed, compressed gas can be generated inside the expansion ring, the outer wall of the first side wing is more attached to the outer first groove and the outer second groove when the compressed gas is in the second cavity, a good sealing effect is achieved, the second side wing is internally provided with a third cavity, and when the compressed gas in the third cavity is the same as the compressed gas in the expansion ring, the second side wing expands to be more attached to the first groove and the second groove; the box cover is provided with a second groove, the second groove and the first groove are close to each other and attached, and a sealing ring between the grooves achieves a good sealing effect; the annular table is used for increasing the strength of the sealing ring and increasing the contact line of the sealing ring and the groove, the pressure of the contact surface of the opposite surfaces of the plurality of line contacts is larger in unit area, and the sealing effect is better in the contact of the opposite surfaces.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a seal ring according to the present invention;
FIG. 3 is a schematic view of the structure of FIG. 1 at A according to the present invention;
in the figure: 1-box body, 101-first convex edge, 1011-first arc surface, 1012-first plane, 1013-second arc surface, 1014 third arc surface, 1015-second plane, 1016 fourth arc surface, 102-first groove, 2-sealing ring, 201-expansion ring, 202-supporting edge, 203-first wing, 204-second wing, 3-box cover, 301-second boss and 4-annular table.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.
Example 1
As shown in fig. 1 to 3, the present embodiment provides a box body sealing structure of an overhead cable splice closure, including,
a box body 1, wherein the box body 1 is provided with a first groove 102,
the sealing ring 2 is arranged in the first groove 102 of the box body 1 and comprises,
an expansion ring 201, wherein the expansion ring 201 is arranged in the first groove 102 and internally provided with a first annular cavity,
a support edge 202, wherein the support edge 202 is obliquely arranged at two sides of the expansion ring 201 and is used for raising the support edge 202 when the expansion ring 201 is pressed down, increasing the sealing contact point,
a first side wing 203, wherein the first side wing 203 is arranged at one side of the expansion ring 201, a second cavity is arranged inside the first side wing, the second cavity is communicated with the first annular cavity,
the second side wing 204 is arranged at the other side of the expansion ring 201, and a third cavity is arranged in the second side wing 204 and communicated with the third cavity
The box cover 3 is arranged on the box body 1 and is provided with a second groove, the outline of the second groove is attached to the outline of the sealing ring 2,
annular platform 4, annular platform 4 is a plurality of, sets gradually on the 2 surfaces of sealing washer, be used for the reinforcing 2 sealing stability of sealing washer.
The sealing ring 2 in the prior art has the defect of incomplete sealing structure, most of the sealing performance is enhanced through a mechanical structure, the inventor in the embodiment specially designs the sealing structure of the box body 1 of the overhead cable splice box, wherein the box body 1 is one of carriers to be sealed, a first groove 102 on the box body can accommodate the sealing ring 2, an expansion ring 201 on the sealing ring 2 is in operation, because a first annular cavity is arranged in the expansion ring, the annular cavity can provide a closed space for storing air, supporting edges 202 are arranged at the connecting positions of the sealing ring and a first side wing 203 and a second side wing 204, the number of the supporting edges 202 is four, when the expansion ring 201 is pressed down in the first groove 102, the supporting edges 202 can be tilted, a sealing contact point is added, and the sealing performance is better, the second cavity is arranged in the first side wing 203, when the expansion ring 201 is compressed, compressed gas can be generated in the first side wing 203, the outer wall of the first side wing 203 when the compressed gas is in the second cavity is more attached to the outer first groove 102 and the outer second groove, a good sealing effect is achieved, the third cavity is arranged in the second side wing 204, when the compressed gas in the third cavity is compressed, the second side wing 204 expands and is more attached to the first groove 102 and the second groove; the box cover 3 is provided with a second groove, the second groove and the first groove 102 are close to each other and attached, and a good sealing effect is achieved by the sealing ring 2 between the grooves; the annular table 4 is used for increasing the strength of the sealing ring 2 and increasing the contact line of the sealing ring 2 and the groove, the unit area of the contact surface of a plurality of line contact opposite surfaces is pressed more, and the sealing effect is better in the contact of the opposite surfaces.
Further, the box body 1 has a first convex edge 101, and the outer wall of the convex edge has an internal thread.
In order to realize the connection between the box body 1 and the box cover 3 in this embodiment, a first convex edge 101 is specially arranged on the box body 1, an internal thread is arranged on the first convex edge 101, and the box body 1 and the box cover 3 are connected together through a thread.
Further, lid 3 has second protruding edge 301, the inner wall on the protruding edge has the external screw thread, just the external screw thread is the external screw thread, the external screw thread be used for with female connection.
In order to realize the connection between the box body 1 and the box cover 3 in this embodiment, a second convex edge 301 is specially arranged on the box cover 3, an external thread is arranged on the second convex edge 301, and the box body 1 and the box cover 3 are connected together through the matching of the internal thread and the external thread between the box cover 3 and the box body 1.
Further, the first groove 102 has,
a first arc surface 1011, wherein the first arc surface 1011 is used for being attached to the expansion ring 201,
two first planes 1012 are arranged on two sides of the first arc surface 1011 respectively,
and two second arc surfaces 1013 are provided, and the two second arc surfaces 1013 are respectively arranged on one side of the plane far away from the first arc surface 1011.
In this embodiment, the seal ring 2 is configured such that the first and second side flaps 203 and 204 can be attached to the groove by compressing the air in the expansion ring 201. The first groove 102 is specially provided with a first arc surface 1011, wherein the first arc surface 1011 is arc-shaped, the radian of the first arc surface is larger than that of the expansion ring 201, so that the function of compressing the expansion ring 201 can be achieved, two sides of the first arc surface 1011 are respectively provided with a first plane 1012, and the first plane 1012 section is used for being attached to the first wing 203 and the second wing 204; the two second arc surfaces 1013 are respectively arranged on one side of the first plane 1012 away from the first arc surface 1011, and the second arc surface 1013 is used for attaching the first wing 203 and the second wing 204 after being pressed by compressed air, so as to achieve the purpose of tight attaching and pressure sealing.
Further, the second groove has a groove having,
a third arc surface 1014, the third arc surface 1014 is used for being jointed with the expansion ring 201,
two second planes 1015, the two second planes 1015 are respectively arranged at two sides of the third arc surface 1014,
and two fourth arc surfaces 1016 are arranged, and the two fourth arc surfaces 1016 are respectively arranged on one side of the plane far away from the third arc surface 1014.
In this embodiment, the seal ring 2 is configured such that the first and second side flaps 203 and 204 can be attached to the groove by compressing the air in the expansion ring 201. The second groove is specially provided with a third arc surface 1014, wherein the third arc surface 1014 is arc-shaped, the radian of the third arc surface 1014 is larger than that of the expansion ring 201, so that the function of compressing the expansion ring 201 can be achieved, two sides of the third arc surface 1014 are respectively provided with a second plane 1015, and the section of the second plane 1015 is used for being attached to the first wing 203 and the second wing 204; the number of the fourth arc surfaces 1016 is two, and the two fourth arc surfaces 1016 are respectively arranged on one side of the second plane 1015 away from the third arc surface 1014, so that the first wing 203 and the second wing 204 are attached to each other after being compressed by compressed air, and a purpose of tight attachment and pressure sealing is achieved.
Further, the second groove is arranged symmetrically to the first groove 102.
In order to realize the sealing effectiveness of the sealing ring 2 in this embodiment, the first groove 102 and the second groove are symmetrically arranged, so that a space for accommodating the sealing ring 2 is formed inside the first groove 102 and the second groove, and because of the symmetrical arrangement, the contact surfaces of the two grooves are smooth and excessive, the sealing ring 2 cannot be damaged, and the sealing effect of the sealing ring 2 is indirectly realized.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A box body sealing structure of an overhead cable joint box is characterized by comprising,
a box body (1), the box body (1) is provided with a first groove (102),
a sealing ring (2) arranged in the first groove (102) of the box body (1) and comprising,
an expansion ring (201), said expansion ring (201) being arranged in said first groove (102) and having a first annular cavity therein,
the supporting edges (202) are obliquely arranged on two sides of the expansion ring (201) and used for tilting the supporting edges (202) when the expansion ring (201) is pressed down to increase the sealing contact point,
a first side wing (203), wherein the first side wing (203) is arranged on one side of the expansion ring (201) and internally provided with a second cavity which is communicated with the first annular cavity,
the second side wing (204) is arranged on the other side of the expansion ring (201), a third cavity is formed in the second side wing (204), and the third cavity is communicated with the second cavity
The box cover (3) is arranged on the box body (1) and is provided with a second groove, the outline of the second groove is attached to the outline of the sealing ring (2),
annular platform (4), annular platform (4) are a plurality of, set gradually on sealing washer (2) surface, be used for the reinforcing sealing washer (2) seal stability.
2. The aerial fiber optic splice closure box body sealing arrangement of claim 1, wherein said box body (1) has a first raised edge (101) with internal threads on an outer wall of said raised edge.
3. The aerial optical cable joint box body sealing structure according to claim 2, wherein the box cover (3) is provided with a second convex edge (301), and the inner wall of the convex edge is provided with an external thread which is used for being connected with the internal thread.
4. The aerial fiber optic cable closure box body sealing structure of claim 1, wherein the first groove (102) has,
a first arc surface (1011), the first arc surface (1011) is used for jointing with the expansion ring (201),
two first planes (1012) are arranged on two sides of the first arc surface (1011) respectively,
and two second arc surfaces (1013) are arranged on one side of the plane far away from the first arc surface (1011).
5. The aerial fiber optic cable closure box body sealing structure of claim 1, wherein the second groove has,
a third arc surface (1014), the third arc surface (1014) is used for jointing with the expansion ring (201),
two second planes (1015) are arranged on two sides of the third arc surface (1014) respectively,
and two fourth arc surfaces (1016) are arranged on one side of the plane far away from the third arc surface (1014).
6. The aerial fiber optic cable closure box seal arrangement of claim 1, wherein the second groove is symmetrically disposed with respect to the first groove (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121461090.6U CN215932218U (en) | 2021-06-29 | 2021-06-29 | Box body sealing structure of overhead optical cable joint box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121461090.6U CN215932218U (en) | 2021-06-29 | 2021-06-29 | Box body sealing structure of overhead optical cable joint box |
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| Publication Number | Publication Date |
|---|---|
| CN215932218U true CN215932218U (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121461090.6U Active CN215932218U (en) | 2021-06-29 | 2021-06-29 | Box body sealing structure of overhead optical cable joint box |
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| CN (1) | CN215932218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115201981A (en) * | 2022-06-15 | 2022-10-18 | 国网河北省电力有限公司经济技术研究院 | Connecting protection device for power communication optical cable |
-
2021
- 2021-06-29 CN CN202121461090.6U patent/CN215932218U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115201981A (en) * | 2022-06-15 | 2022-10-18 | 国网河北省电力有限公司经济技术研究院 | Connecting protection device for power communication optical cable |
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