CN213535977U - Manhole sealing cover of oil tank truck - Google Patents
Manhole sealing cover of oil tank truck Download PDFInfo
- Publication number
- CN213535977U CN213535977U CN202022331102.5U CN202022331102U CN213535977U CN 213535977 U CN213535977 U CN 213535977U CN 202022331102 U CN202022331102 U CN 202022331102U CN 213535977 U CN213535977 U CN 213535977U
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- CN
- China
- Prior art keywords
- manhole
- cover plate
- clamping
- apron
- bayonet lock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 33
- 230000000694 effects Effects 0.000 abstract description 8
- 230000006978 adaptation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a tank wagon manhole sealing cover, including the apron, the apron is located the inside of manhole, and the apron is located the ladder face of manhole, is provided with the sealing washer between the ladder face of apron and manhole, is provided with a plurality of card post on the lower surface of apron, is provided with a plurality of and the draw-in groove of card post looks adaptation and one-to-one on the ladder face of manhole, is provided with apron locking structure on the lateral wall of manhole. The locking structure comprises a clamping pin, a sliding groove for enabling the clamping pin to penetrate is formed in the side wall of the manhole, the sliding groove is communicated with the clamping groove, a limiting table is arranged on the side wall of the clamping pin, the limiting table and one end, far away from the clamping groove, of the sliding groove are connected through a spring, the spring is sleeved on the clamping pin, and a clamping hole matched with the clamping pin is formed in the clamping column. The cover plate is connected with the top of the manhole through a connecting piece. The utility model adopts the above structure tank wagon manhole sealing lid can solve the poor problem of current manhole sealing effect, has simple structure, convenient to use's advantage.
Description
Technical Field
The utility model belongs to the technical field of the manhole structure technique and specifically relates to a manhole sealing cover on tank wagon.
Background
The tank wagon is provided with a manhole, and the purpose of the manhole enables a worker to enter the interior of the tank wagon to weld the tank wagon for production on one hand, and on the other hand, the worker can clean and maintain the interior of the tank wagon conveniently. The manhole needs to be sealed in the tank wagon use, and traditional manhole sealing mode is for adopting the end cover to carry out the closing cap with the manhole, through screwed connection between end cover and the manhole, sets up the sealing washer between end cover and manhole and seals. The bolt is easy to loosen in the sealing mode, the sealing effect is poor, and the problem of oil leakage is easy to cause.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tank wagon manhole seals lid solves the current problem that the manhole seals the effect poor.
In order to realize the aim, the utility model provides a manhole sealing cover of an oil tank truck, which comprises a cover plate, wherein the cover plate is positioned inside a manhole, the cover plate is positioned on the stepped surface of the manhole, a sealing ring is arranged between the cover plate and the stepped surface of the manhole, a plurality of clamping columns are arranged on the lower surface of the cover plate, a plurality of clamping grooves which are matched with the clamping columns and correspond to one another are arranged on the stepped surface of the manhole, a cover plate locking structure is arranged on the side wall of the manhole,
the locking structure comprises a bayonet lock, a sliding groove for the bayonet lock to penetrate through is formed in the side wall of the manhole, the sliding groove is communicated with the bayonet lock, a limiting table is arranged on the side wall of the bayonet lock, the limiting table is connected with one end, far away from the bayonet lock, of the sliding groove through a spring, the spring is sleeved on the bayonet lock, and a clamping hole matched with the bayonet lock is formed in the clamping column;
the cover plate is connected with the top of the manhole through a connecting piece.
Preferably, a baffle ring is arranged on the lower surface of the cover plate and is positioned inside the manhole.
Preferably, the connecting piece includes the screw rod, and the one end of screw rod is provided with the sleeve, and the sleeve cover is established at round pin epaxially and is connected with round pin axle rotation, and the both ends of round pin axle are fixed on the support, and the support setting is on the outer wall of manhole, is provided with the connecting hole that makes the screw rod card go into on the connecting plate that sets up on the apron, is provided with the nut of fixing the screw rod on the connecting plate on the screw rod.
Preferably, the cover plate is uniformly provided with four connecting plates, the connecting plates are of a trapezoidal structure with one end close to the cover plate being large in size and the other end being small in size, and the connecting plates are provided with U-shaped connecting holes.
Preferably, the pin shaft is provided with a groove, the sleeve is provided with a jackscrew for fixing the sleeve and the pin shaft, and the jackscrew is positioned in the groove.
A tank wagon manhole seal lid, be connected through screw rod locking between the top of apron and the top of manhole, be provided with the jackscrew on the sleeve and be favorable to improving the stability of apron and manhole locking. Locking through the bayonet lock between the lower part of apron and the manhole avoids taking place great displacement between apron and the manhole to prevent that the screw rod from influencing the leakproofness of apron and manhole from the landing of connecting hole department, the bayonet lock provides two protection to the sealed of apron and manhole, is favorable to improving the sealed effect between apron and the manhole.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a manhole sealing cover of an oil tank truck of the present invention;
FIG. 2 is a schematic view of a cover plate structure of an embodiment of a manhole sealing cover of the oil tank truck of the present invention;
fig. 3 is a schematic view of a connecting piece structure of an embodiment of the manhole sealing cover of the oil tank truck.
Reference numerals
1. A manhole; 2. a cover plate; 3. a baffle ring; 4. a card slot; 5. clamping the column; 6. a seal ring; 7. a bayonet lock; 8. A limiting table; 9. a spring; 10. a chute; 11. a connecting plate; 12. a support; 13. a pin shaft; 14. a sleeve; 15. carrying out top thread; 16. a screw; 17. connecting holes; 18. a groove; 19. and a nut.
Detailed Description
Examples
Fig. 1 is a schematic structural diagram of an embodiment of the manhole sealing cover of the oil tank truck. As shown in the figure, the manhole sealing cover of the oil tank truck comprises a cover plate 2, wherein the cover plate 2 is positioned inside a manhole 1, and the cover plate 2 is used for plugging the manhole 1. A stepped surface is arranged on the inner surface of the manhole 1, and the cover plate 2 is positioned on the stepped surface of the manhole 1. Be provided with the sealing washer 6 of rubber between the ladder surface of apron 2 and manhole 1, the cross section of sealing washer 6 is L type structure, carries out comparatively abundant sealed to the connection face between apron 2 and the manhole 1. A plurality of clamping columns 5 are uniformly arranged on the lower surface of the cover plate 2, and the number of the clamping columns 5 can be 2-4. The stepped surface of the manhole 1 is provided with a plurality of clamping grooves 4 which are matched with the clamping columns 5 and correspond to the clamping columns one to one, and the clamping columns 5 are positioned in the clamping grooves 4 and clamped with the clamping grooves 4.
The side wall of the manhole 1 is provided with a cover plate 2 locking structure. The locking structure comprises a clamping pin 7, and the clamping pin 7 is perpendicular to the clamping column 5. The manhole 1 is provided with a sliding groove 10 on the side wall for the bayonet pin 7 to pass through, and the sliding groove 10 is communicated with the bayonet slot 4. The diameter of the slide groove 10 is larger than the diameter of the detent 7 so that the detent 7 can slide in the slide groove 10. An annular limiting table 8 is arranged on the side wall of the bayonet 7. And a closing-in is arranged at one end of the sliding groove 10 far away from the clamping groove 4, and the diameter of the closing-in is larger than that of the clamping pin 7 and smaller than that of the limiting table 8. The limiting table 8 is connected with the closing-in port through a spring 9, and the spring 9 is sleeved on the bayonet 7. The clamping column 5 is provided with a clamping hole matched with the clamping pin 7. The bayonet lock 7 is inserted into the bayonet hole of the clamp column 5 under the action of the spring 9, and locks the cover plate 2, so that the cover plate 2 is prevented from generating large displacement in the movement process of the oil tank truck, and the sealing effect between the cover plate 2 and the manhole 1 is improved. When the cover plate 2 needs to be opened, the bayonet 7 is outwards pulled, and the bayonet 7 is pulled out from the bayonet hole on the clamping column 5.
The lower surface of the cover plate 2 is provided with a baffle ring 3, and the baffle ring 3 and the cover plate 2 are of an integral structure. The baffle ring 3 is located inside the manhole 1. The outer diameter of the baffle ring 3 is slightly smaller than the aperture of the manhole 1, and the baffle ring 3 has certain blocking effect on oil in the oil tank truck, so that the sealing effect of the cover plate 2 is improved.
Fig. 2 is the cover plate structure schematic diagram of the sealing cover embodiment of the tank wagon manhole, fig. 3 is the connecting piece structure schematic diagram of the sealing cover embodiment of the tank wagon manhole. As shown, the cover plate 2 is connected with the top of the manhole 1 through a connector. The connecting piece comprises a screw 16, one end of the screw 16 is welded with a sleeve 14, and the sleeve 14 is sleeved on the pin shaft 13. The inner diameter of the sleeve 14 is larger than the diameter of the pin 13 so that the sleeve 14 can rotate freely on the pin 13. Two ends of the pin shaft 13 are fixed on the support 12 in a welding mode, and the support 12 is arranged on the outer wall of the manhole 1 in a welding mode. A connecting hole 17 for engaging the screw 16 is provided in the connecting plate 11 provided in the cover plate 2, and a nut 19 for fixing the screw 16 to the connecting plate 11 is provided in the screw 16. And tightening the nut 19, and enabling the nut 19 to be tightly pressed against the surface of the connecting plate 11 to realize the fixed connection of the screw 16 and the connecting plate 11.
Even being provided with four connecting plates 11 on apron 2, connecting plate 11 is close to 2 one end sizes of apron big trapezoidal structure that the other end size is little, improves connecting plate 11 and apron 2's joint strength. The middle part of one end of the connecting plate 11, which is far away from the cover plate 2, is provided with a U-shaped connecting hole 17, the screw 16 rotates around the pin shaft 13 and is clamped in the connecting hole 17, and then the nut 19 is screwed down, so that the cover plate 2 is fixedly connected with the manhole 1.
The pin shaft 13 is provided with an annular groove 18, the sleeve 14 is provided with a jackscrew 15 for fixing the sleeve 14 and the pin shaft 13, and the jackscrew 15 is positioned in the groove 18. After the screw 16 is clamped into the connecting hole 17 and the nut 19 is screwed, the jackscrew 15 is rotated, the jackscrew 15 is tightly jacked on the surface of the groove 18, relative rotation between the screw 16 and the pin shaft 13 is avoided, the improvement of the stability of the screw 16 is facilitated, the risk that the screw 16 slides out of the connecting hole 17 after the nut 19 is loosened on the screw 16 is reduced, the improvement of the firmness of the connection of the cover plate 2 and the manhole 1 is facilitated, and the sealing effect is improved.
Therefore, the utility model adopts the above structure tank wagon manhole sealing lid, can solve the poor problem of current manhole sealing effect, have simple structure, convenient to use's advantage.
The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.
Claims (5)
1. The utility model provides a tank wagon manhole sealing lid, includes the apron, and the apron is located the inside of manhole, its characterized in that: the cover plate is positioned on the step surface of the manhole, a sealing ring is arranged between the cover plate and the step surface of the manhole, a plurality of clamping columns are arranged on the lower surface of the cover plate, a plurality of clamping grooves which are matched with the clamping columns and correspond to the clamping columns one by one are arranged on the step surface of the manhole, a cover plate locking structure is arranged on the side wall of the manhole,
the locking structure comprises a bayonet lock, a sliding groove for the bayonet lock to penetrate through is formed in the side wall of the manhole, the sliding groove is communicated with the bayonet lock, a limiting table is arranged on the side wall of the bayonet lock, the limiting table is connected with one end, far away from the bayonet lock, of the sliding groove through a spring, the spring is sleeved on the bayonet lock, and a clamping hole matched with the bayonet lock is formed in the clamping column;
the cover plate is connected with the top of the manhole through a connecting piece.
2. The manhole sealing cover of the oil tank truck as claimed in claim 1, wherein: and a baffle ring is arranged on the lower surface of the cover plate and is positioned inside the manhole.
3. The manhole sealing cover of the oil tank truck as claimed in claim 1, wherein: the connecting piece includes the screw rod, and the one end of screw rod is provided with the sleeve, and the sleeve cover is established at round pin epaxially and is connected with round pin hub rotation, and the both ends of round pin axle are fixed on the support, and the support setting is provided with the connecting hole that makes the screw rod card go into on the connecting plate that sets up on the apron, is provided with the nut of fixing the screw rod on the connecting plate on the screw rod.
4. The manhole sealing cover of the oil tank truck as claimed in claim 3, wherein: four connecting plates are uniformly arranged on the cover plate, each connecting plate is of a trapezoidal structure with one end close to the cover plate and the other end large in size, and U-shaped connecting holes are formed in the connecting plates.
5. The manhole sealing cover of the oil tank truck as claimed in claim 3, wherein: the hinge pin is provided with a groove, the sleeve is provided with a jackscrew for fixing the sleeve and the hinge pin, and the jackscrew is positioned in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022331102.5U CN213535977U (en) | 2020-10-19 | 2020-10-19 | Manhole sealing cover of oil tank truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022331102.5U CN213535977U (en) | 2020-10-19 | 2020-10-19 | Manhole sealing cover of oil tank truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213535977U true CN213535977U (en) | 2021-06-25 |
Family
ID=76498751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022331102.5U Expired - Fee Related CN213535977U (en) | 2020-10-19 | 2020-10-19 | Manhole sealing cover of oil tank truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213535977U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115265248A (en) * | 2022-09-23 | 2022-11-01 | 中国空气动力研究与发展中心超高速空气动力研究所 | Internal element supporting device for ultra-large heat accumulating type heater and mounting method |
| CN115404291A (en) * | 2022-09-22 | 2022-11-29 | 广东韶钢松山股份有限公司 | Ignition manhole structure on top of blast furnace |
-
2020
- 2020-10-19 CN CN202022331102.5U patent/CN213535977U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404291A (en) * | 2022-09-22 | 2022-11-29 | 广东韶钢松山股份有限公司 | Ignition manhole structure on top of blast furnace |
| CN115265248A (en) * | 2022-09-23 | 2022-11-01 | 中国空气动力研究与发展中心超高速空气动力研究所 | Internal element supporting device for ultra-large heat accumulating type heater and mounting method |
| CN115265248B (en) * | 2022-09-23 | 2023-03-10 | 中国空气动力研究与发展中心超高速空气动力研究所 | Internal element supporting device for ultra-large heat storage type heater and mounting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210625 |