CN211312614U - Sealing structure of well lid - Google Patents
Sealing structure of well lid Download PDFInfo
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- CN211312614U CN211312614U CN201922031414.1U CN201922031414U CN211312614U CN 211312614 U CN211312614 U CN 211312614U CN 201922031414 U CN201922031414 U CN 201922031414U CN 211312614 U CN211312614 U CN 211312614U
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- well lid
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Abstract
The utility model provides a sealing structure of a well lid, which comprises a well lid, a base and a first sealing component; the well lid comprises a covering part with a cylindrical outline, the base is provided with a first circular through hole and a second circular through hole which are sequentially arranged from top to bottom, the diameter of the first through hole is larger than that of the second through hole, and the first through hole and the second through hole are coaxially arranged and are mutually communicated, so that a circular supporting surface is formed between the second through holes of the first through hole; the diameter of the covering part is larger than the second through hole and smaller than the first through hole, the base is supported on the bottom surface of the covering part through the first through hole and the supporting surface, the covering part covers the second through hole, and the first sealing component is arranged between the bottom surface of the covering part and the supporting surface to seal between the bottom surface of the covering part and the supporting surface. The utility model has the advantages of reasonable in design, simple structure can prevent that rainwater and dust from entering into the inspection shaft, and then avoids causing the pollution and corroding to the facility in the inspection shaft.
Description
Technical Field
The utility model relates to a city infrastructure field, in particular to seal structure of well lid.
Background
In urban construction, facilities such as water supply and drainage pipelines, cables, optical cables and the like are mostly laid underground, then inspection wells are arranged at intervals, and well mouths of the inspection wells need to be covered by well covers to protect the safety of the facilities in the wells or external pedestrians and the like. At present, there is the gap between the base of well lid and well lid when the preparation to in the staff opens the well lid and overhauls the facility in the well, outside rainwater and dust can enter into the inspection shaft through the gap between the base of well lid and well lid like this and cause pollution and corruption to its inside facility.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reasonable in design, simple structure's seal structure of well lid can prevent that rainwater and dust from entering into in the inspection shaft, and then avoids causing pollution and corruption to the facility in the inspection shaft.
In order to achieve the above object, the utility model adopts the following technical scheme:
a sealing structure of a well lid comprises the well lid, a base and a first sealing component;
the manhole cover comprises a covering part with a cylindrical outline, the base is provided with a first circular through hole and a second circular through hole which are sequentially arranged from top to bottom, the diameter of the first through hole is larger than that of the second through hole, and the first through hole and the second through hole are coaxially arranged and are communicated with each other, so that a circular supporting surface is formed between the second through holes of the first through hole;
the diameter of the covering part is larger than the second through hole and smaller than the first through hole, the base receives the covering part through the first through hole and is supported on the bottom surface of the covering part through the supporting surface, so that the covering part covers the second through hole, and the first sealing component is arranged between the bottom surface of the covering part and the supporting surface to seal between the bottom surface of the covering part and the supporting surface.
Preferably, the first sealing member is annular;
the inner diameter of the first sealing member is larger than the diameter of the second through hole, and the outer diameter of the first sealing member is smaller than the diameter of the covering portion.
Preferably, a first circular-ring-shaped accommodating groove is formed in the supporting surface, and the first sealing member is arranged in the first accommodating groove.
Preferably, the well lid further comprises a second sealing component and a positioning part;
the outline of the positioning part is cylindrical, the outer diameter of the positioning part is smaller than the diameter of the second through hole, the positioning part and the covering part are coaxially arranged and fixedly connected to the bottom surface of the covering part, and when the base is communicated with the covering part through the first through hole, the positioning part can extend into the second through hole;
the second sealing member is disposed between the outer wall of the positioning portion and the inner wall of the second through hole, and is configured to seal between the outer wall of the positioning portion and the inner wall of the second through hole.
Preferably, the device further comprises a baffle;
the baffle is in a ring shape, the outer diameter of the baffle is larger than that of the positioning portion and smaller than the diameter of the second through hole, the baffle and the positioning portion are coaxially arranged and detachably connected to the end face, far away from the covering portion, of the positioning portion, the baffle, the positioning portion and the bottom face of the covering portion jointly form a second annular accommodating groove, and the second sealing component is in a ring shape and is arranged in the second accommodating groove.
Preferably, the end face of the positioning part far away from the covering part is provided with a screw hole, the baffle plate is provided with a connecting hole corresponding to the screw hole, and a screw passes through the connecting hole and is in threaded connection with the inside of the through hole so as to connect the baffle plate on the end face of the positioning part far away from the covering part.
Preferably, the second sealing part is annular, a third accommodating groove extending along the circumferential direction is formed in the outer wall of the positioning portion, and the second sealing part is arranged in the third accommodating groove.
The utility model discloses a seal structure of well lid, through adopting first sealing component sets up the bottom surface of cover portion with between the holding surface, it is right to be right the bottom surface of cover portion with carry out sealed technical scheme between the holding surface, can prevent that rainwater and dust from entering into the inspection shaft, and then avoid causing pollution and corruption to the facility in the inspection shaft.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the well lid sealing structure of the present invention;
fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Wherein: 1. the manhole cover comprises a manhole cover body, 11, a covering part, 12, a positioning part, 13, a second accommodating groove, 14 and screw holes; 2. a base 21, a first through hole; 22. a second through hole; 23. a support surface; 24. a first accommodating groove; 3. a first seal member; 4. a second seal member; 5. a baffle plate; 51. connecting holes; 6. and (4) screws.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following will explain the mobile working chair of the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1 and 2, a sealing structure of a well includes a well cover 1, a base 2, and a first sealing member 3. The well lid 1 comprises a covering part 11 with a cylindrical outline, the base 2 is provided with a first through hole 21 and a second through hole 22 which are circular and are sequentially arranged from top to bottom, the diameter of the first through hole 21 is larger than that of the second through hole 22, and the first through hole 21 and the second through hole 22 are coaxially arranged and are communicated with each other, so that a circular supporting surface 23 is formed between the second through holes 22 of the first through hole 21. The diameter of the covering part 11 is larger than the second through hole 22 and smaller than the first through hole 21, the base 2 receives the covering part 11 through the first through hole 21 and is supported on the bottom surface of the covering part 11 through the support surface 23 so that the covering part 11 covers the second through hole 22, and the first sealing member 3 is provided between the bottom surface of the covering part 11 and the support surface 23 to seal between the bottom surface of the covering part 11 and the support surface 23. Therefore, dust and rainwater can be prevented from entering the second through hole 22 through a gap between the covering part 11 and the inner wall of the first through hole 21, sealing of a wellhead of the inspection well is achieved, and the rainwater and the dust are prevented from entering the inspection well to pollute or corrode facilities in the inspection environment.
The first sealing member 3 is circular, for example, a rubber ring may be used as the first sealing member 3. The inner diameter of the first sealing member 3 is larger than the diameter of the second through hole 22, and the outer diameter of the first sealing member 3 is smaller than the diameter of the covering portion 11.
In actual manufacturing, as shown in fig. 2, a circular first receiving groove 24 may be provided on the supporting surface 23, and the first sealing member 3 may be disposed in the first receiving groove 24. Therefore, the stability of installation of the first sealing component 3 can be ensured, the first sealing component 3 is prevented from falling off, and the sealing effect is improved.
As an embodiment, as shown in fig. 1 and 2, the manhole cover 1 further includes a second sealing member 4, and further includes a positioning portion 12. The outline of the positioning portion 12 is cylindrical, the outer diameter of the positioning portion 12 is smaller than the diameter of the second through hole 22, the positioning portion 12 is disposed coaxially with the covering portion 11 and is fixedly connected to the bottom surface of the covering portion 11, and when the base 2 is inserted into the covering portion 11 through the first through hole 21, the positioning portion 12 can extend into the second through hole 22. The second seal member 4 is provided between the outer wall of the positioning portion 12 and the inner wall of the second through-hole 22 to seal between the outer wall of the positioning portion 12 and the inner wall of the second through-hole 22. Thus, the wellhead can be simultaneously sealed by the first sealing component 3 and the second sealing component 4, and the sealing effect is improved.
Further, as shown in fig. 2, a baffle 5 is also included. Baffle 5 is the ring shape, and the external diameter of baffle 5 is greater than the external diameter of location portion 12 and is less than the diameter of second through-hole 22, and baffle 5 and location portion 12 coaxial setting can dismantle the connection on location portion 12 keeps away from the terminal surface of covering portion 11, make baffle 5 and location portion 12 and the bottom surface of covering portion 11 form annular second holding tank 13 jointly, and second seal part 4 is the ring shape to the setting is within second holding tank 13, and wherein second seal part 4 can be the rubber circle. Therefore, the stability of installation of the second sealing part 4 can be ensured, the second sealing part 4 is prevented from falling off, and the sealing effect is improved.
Specifically, as shown in fig. 2, screw holes 14 are provided on the end surface of the positioning portion 12 away from the covering portion 11, connection holes 51 corresponding to the screw holes 14 are provided on the baffle 5, and screws 6 pass through the connection holes 51 and are screwed into the through holes to connect the baffle 5 to the end surface of the positioning portion 12 away from the covering portion 11. By adopting the technical scheme, when the second sealing component 4 is installed, the second sealing component 4 can be firstly sleeved on the positioning part 12, then the baffle plate 5 is connected to the end face, far away from the covering part 11, of the positioning part 12 through the screw 6, the steps are opposite when the second sealing component 4 is disassembled, and the second sealing component 4 is favorably disassembled or installed
As an embodiment, the second sealing member 4 is annular, a third accommodating groove (not shown) extending along the circumferential direction is provided on the outer wall of the positioning portion 12, and the second sealing member 4 is disposed in the third accommodating groove.
Through adopting above technical scheme, make the utility model has the advantages of reasonable in design, simple structure can prevent that rainwater and dust from entering into in the inspection shaft, and then avoids causing the pollution and corroding to the facility in the inspection shaft.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. The utility model provides a seal structure of well lid which characterized in that:
comprises a well cover, a base and a first sealing component;
the manhole cover comprises a covering part with a cylindrical outline, the base is provided with a first circular through hole and a second circular through hole which are sequentially arranged from top to bottom, the diameter of the first through hole is larger than that of the second through hole, and the first through hole and the second through hole are coaxially arranged and are communicated with each other, so that a circular supporting surface is formed between the second through holes of the first through hole;
the diameter of the covering part is larger than the second through hole and smaller than the first through hole, the base receives the covering part through the first through hole and is supported on the bottom surface of the covering part through the supporting surface, so that the covering part covers the second through hole, and the first sealing component is arranged between the bottom surface of the covering part and the supporting surface to seal between the bottom surface of the covering part and the supporting surface.
2. The sealing structure of the well lid according to claim 1, wherein:
the first sealing part is annular;
the inner diameter of the first sealing member is larger than the diameter of the second through hole, and the outer diameter of the first sealing member is smaller than the diameter of the covering portion.
3. The sealing structure of the well lid according to claim 2, wherein:
the supporting surface is provided with a circular first accommodating groove, and the first sealing part is arranged in the first accommodating groove.
4. The sealing structure of the manhole cover according to any one of claims 1 to 3, wherein:
the well lid further comprises a second sealing component and a positioning part;
the outline of the positioning part is cylindrical, the outer diameter of the positioning part is smaller than the diameter of the second through hole, the positioning part and the covering part are coaxially arranged and fixedly connected to the bottom surface of the covering part, and when the base is communicated with the covering part through the first through hole, the positioning part can extend into the second through hole;
the second sealing member is disposed between the outer wall of the positioning portion and the inner wall of the second through hole, and is configured to seal between the outer wall of the positioning portion and the inner wall of the second through hole.
5. The sealing structure of the well lid according to claim 4, wherein:
the device also comprises a baffle;
the baffle is in a ring shape, the outer diameter of the baffle is larger than that of the positioning portion and smaller than the diameter of the second through hole, the baffle and the positioning portion are coaxially arranged and detachably connected to the end face, far away from the covering portion, of the positioning portion, the baffle, the positioning portion and the bottom face of the covering portion jointly form a second annular accommodating groove, and the second sealing component is in a ring shape and is arranged in the second accommodating groove.
6. The sealing structure of the well lid according to claim 5, wherein:
the end face, far away from the covering part, of the positioning part is provided with a screw hole, the baffle is provided with a connecting hole corresponding to the screw hole, and the screw penetrates through the connecting hole and is in threaded connection with the inside of the through hole so as to connect the baffle to the end face, far away from the covering part, of the positioning part.
7. The sealing structure of the well lid according to claim 4, wherein:
the second sealing part is in a ring shape, a third accommodating groove extending along the circumferential direction is formed in the outer wall of the positioning portion, and the second sealing part is arranged in the third accommodating groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922031414.1U CN211312614U (en) | 2019-11-20 | 2019-11-20 | Sealing structure of well lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922031414.1U CN211312614U (en) | 2019-11-20 | 2019-11-20 | Sealing structure of well lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211312614U true CN211312614U (en) | 2020-08-21 |
Family
ID=72082167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922031414.1U Active CN211312614U (en) | 2019-11-20 | 2019-11-20 | Sealing structure of well lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211312614U (en) |
-
2019
- 2019-11-20 CN CN201922031414.1U patent/CN211312614U/en active Active
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