CN213535976U - Center pressure type manhole cover for oil tank truck - Google Patents
Center pressure type manhole cover for oil tank truck Download PDFInfo
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- CN213535976U CN213535976U CN202021377894.3U CN202021377894U CN213535976U CN 213535976 U CN213535976 U CN 213535976U CN 202021377894 U CN202021377894 U CN 202021377894U CN 213535976 U CN213535976 U CN 213535976U
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- manhole
- bearing plate
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Abstract
The utility model discloses a center pressure type manhole cover for an oil tank truck, which comprises an installation cover, wherein a manhole is arranged in the middle of the installation cover, an installation part is arranged at the opening part of the manhole, a support ring is arranged on the peripheral side of the installation part, the support ring comprises two connected semicircular rings, each semicircular ring is provided with a support part, and the two support parts are arranged oppositely; a bearing plate is arranged between the two supporting parts, and two ends of the bearing plate are respectively connected with the tops of the supporting parts through pin shafts; the manhole top is provided with sealed lid, the last screw hole of seting up of sealed lid, correspond the screw hole be provided with the screw rod on the bearing plate, the one end of screw rod with the screw hole is connected. The utility model discloses can effectively solve among the prior art compression force uneven distribution, lead to the manhole cover to warp easily, the not good technical problem of leakproofness.
Description
Technical Field
The utility model relates to a tank wagon manhole cover technical field, specific be a central pressure type manhole cover for tank wagon.
Background
The manhole cover is used on the storage tank, is also called a normal pressure manhole cover and a quick-opening manhole, and is mostly a stud manhole cover. The manhole cover is installed on the top of the oil tank body and is a passage for people to go in and out of the tank and an observation port for checking goods and natural conditions in the tank. Due to the fact that the area of the manhole cover is large, the manhole cover can be easily deformed under long-time application, the cover body cannot be matched with the hole, and the oil tank truck cannot achieve a sealing effect.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a central pressure type manhole cover for tank wagon to solve among the prior art compressive force and distribute unevenly, lead to the manhole cover to warp easily, the not good technical problem of leakproofness.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a center pressure type manhole cover for an oil tank truck comprises an installation cover, wherein a manhole is formed in the middle of the installation cover, an installation part is arranged at the opening part of the manhole, support rings are arranged on the peripheral sides of the installation part and comprise two connected semicircular rings, each semicircular ring is provided with a support part, and the two support parts are arranged oppositely; a bearing plate is arranged between the two supporting parts, and two ends of the bearing plate are respectively connected with the tops of the supporting parts through pin shafts; the manhole top is provided with sealed lid, the last screw hole of seting up of sealed lid, correspond the screw hole be provided with the screw rod on the bearing plate, the one end of screw rod with the screw hole is connected.
As the utility model discloses a preferred technical scheme, the top of installation department is provided with the flange that extends to the outside, the support ring sets up the below of flange.
As the utility model discloses a preferred technical scheme, sealed lid with the cooperation department of manhole is provided with the sealing washer.
As the utility model discloses a preferred technical scheme, spare hole has been seted up to installation lid top one side, be provided with the sealed lid of spare hole on the spare hole.
As the utility model discloses a preferred technical scheme, two the semicircle ring, one of them both ends of semicircle ring are provided with connecting portion, another the spread groove has been seted up at the both ends of semicircle ring, connecting portion set up in the spread groove, the bayonet lock passes connecting portion with the spread groove.
As the preferred technical scheme of the utility model, be provided with the breather valve on the sealing cover.
As the preferred technical scheme of the utility model, be provided with the handle on the sealed lid.
The utility model provides a central pressure type manhole cover for tank wagon possesses following beneficial effect:
the support ring is assembled, so that the support ring is more convenient to mount and is convenient for replacing parts needing to be replaced; the sealing cover is buckled on a manhole on the mounting cover, the screw rod on the bearing plate is screwed in, the screw rod is tightly abutted to the center of the sealing cover, the sealing cover is tightly pressed on the mounting cover, and pressing force is uniformly distributed by implementing pressing at the center, so that the sealing cover cannot deform.
Drawings
FIG. 1 is a perspective view of a center pressure manhole cover for a tank truck according to the present invention;
fig. 2 is an exploded view of a center pressure type manhole cover for an oil tank truck according to the present invention.
In the figure: 1. installing a cover; 2. a manhole; 3. an installation part; 4. a support ring; 5. a support portion; 6. a pin shaft; 7. a sealing cover; 8. a bearing plate; 9. a threaded hole; 10. a screw; 11. a flange; 12. a seal ring; 13. a spare hole; 14. sealing the spare hole; 15. a semicircular ring; 16. a connecting portion; 17. connecting grooves; 18. a bayonet lock; 19. a breather valve; 20. a handle; 21. mounting grooves; 22. and connecting the holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 2, the present invention provides a technical solution: a center pressure type manhole cover for an oil tank truck comprises an installation cover 1, wherein a manhole 2 is arranged in the middle of the installation cover 1, an installation part 3 is arranged at the opening part of the manhole 2, a support ring 4 is arranged on the peripheral side of the installation part 3, the support ring 4 comprises two connected semicircular rings 15, a support part 5 is arranged on each semicircular ring 15, and the two support parts 5 are arranged oppositely; a bearing plate 8 is arranged between the two supporting parts 5, and two ends of the bearing plate 8 are respectively connected with the tops of the supporting parts 5 through pin shafts 6; a sealing cover 7 is arranged above the manhole 2, a threaded hole 9 is formed in the sealing cover 7, a screw rod 10 is arranged on the bearing plate 8 corresponding to the threaded hole 9, and one end of the screw rod 10 is connected with the threaded hole 9.
When the utility model is used, the upper end of the mounting cover 1 is provided with a mounting part 3, the top end of the mounting part 3 is provided with a sealing cover 7, a manhole 2 is arranged in the mounting part 3, and the sealing cover 7 is buckled on the top end of the mounting part 3 through the manhole 2, so that the sealing cover 7 is connected with the mounting cover 1; the outer peripheral side of the mounting part 3 is provided with a support ring 4, the support ring 4 is two connected semicircular rings 15, the two connected semicircular rings 15 are sleeved on the outer peripheral side of the mounting part 3, and the two connected semicircular rings 15 can be fixed on the top surface of the mounting cover 1 by utilizing the outer peripheral surface of the mounting part 3; the top ends of the two connected semicircular rings 15 are provided with supporting parts 5, a bearing plate 8 is arranged between the two oppositely arranged supporting parts 5, two ends of the bearing plate 8 are respectively connected with the top parts of the supporting parts 5 through pin shafts 6, and the bearing plates are connected by the pin shafts 6, so that the structure is simple, the installation mode is not complex, and the disassembly is convenient; a screw 10 is arranged on the bearing plate 8, and the screw 10 is in threaded connection with the bearing plate 8; the moving distance of the screw rod 10 can be more precisely adjusted by utilizing the threaded connection, and the threaded connection also has self-locking property; the sealing cover 7 is provided with a threaded hole 9, the threaded hole 9 is connected with one end of the screw rod 10, the screw rod 10 is connected with the sealing cover 7, the distance between the bottom end of the screw rod 10 and the top surface of the sealing cover 7 can be adjusted by screwing the screw rod 10 downwards, when the bottom end of the screw rod 10 abuts against the top surface of the sealing cover 7, the sealing cover 7 can be tightly pressed on the mounting cover 1, and the sealing cover is locked by threads, so that the self-locking performance of the sealing cover is stronger, and looseness is prevented.
Specifically, the top of the mounting portion 3 is provided with a flange 11 extending outward, and the support ring 4 is disposed below the flange 11. When the mounting is performed, the support ring 4 is fitted over the outer peripheral side of the mounting portion 3, and the movement of the support ring 4 can be restricted by the flange 11 provided on the outer peripheral side of the tip end of the mounting portion 3.
Specifically, a sealing ring 12 is arranged at the matching position of the sealing cover 7 and the manhole 2. The sealing ring 12 is arranged at the matching position, so that no gap exists at the matching position, the sealing performance is enhanced, and the leakage is avoided.
Specifically, a spare hole 13 is formed in one side of the top end of the mounting cover 1, and a spare hole sealing cover 14 is arranged on the spare hole 13. The spare hole 13 is provided with a spare hole sealing cover 14, the spare hole 13 is connected with the spare hole sealing cover 14, the mounting cover 1 is provided with the spare hole 13, and the spare hole 13 can be used for other functions, such as mounting an oil measuring device in the spare hole 13.
Specifically, two semicircular rings 15, wherein two end portions of one semicircular ring 15 are provided with a connecting portion 16, two end portions of the other semicircular ring 15 are provided with a connecting groove 17, the connecting portion 16 is arranged in the connecting groove 17, and a bayonet 18 passes through the connecting portion 16 and the connecting groove 17. During the use earlier with half ring 15 connecting portion 16 insert in half ring 15 spread groove 17, then insert bayonet lock 18 in the bolt hole of connecting portion 16 and spread groove 17's side, link together two semicircle rings 15, utilize the assembled installation more convenient dismantlement, also be convenient for change parts.
Specifically, the sealing cover 7 is provided with a breather valve 19. The breather valve 19 is arranged, so that the function of releasing pressure can be realized when the pressure difference between the inside and the outside of the oil tank is different, the pressure difference between the inside and the outside of the oil tank is balanced, and accidents are avoided.
Specifically, the sealing cover 7 is provided with a handle 20. When the sealing cover 7 is detached, the handle 20 can be held by hand to open the sealing cover 7.
When the utility model is used, the upper end of the mounting cover 1 is provided with a mounting part 3, the top end of the mounting part 3 is provided with a sealing cover 7, a manhole 2 is arranged in the mounting part 3, the sealing cover 7 is buckled on the top end of the mounting part 3 through the manhole 2, so that the sealing cover 7 is connected with the mounting cover 1, and a sealing ring 12 is arranged at the matching part where the sealing cover 7 is buckled into the manhole 2, so that no gap is generated at the matching part, and oil leakage is avoided; the outer peripheral side of the mounting part 3 is provided with a support ring 4, the support ring 4 is two connected semicircular rings 15, the two connected semicircular rings 15 are sleeved on the outer peripheral side of the mounting part 3, and the two connected semicircular rings 15 can be fixed on the top surface of the mounting cover 1 by utilizing the outer peripheral surface of the mounting part 3; support ring 4 adopts the sub-assembly, inserts half ring 15 connecting portion 16 earlier in half ring 15 spread groove 17 during the use, then in inserting the bolt hole of connecting portion 16 and spread groove 17's side with bayonet lock 18, links together two half rings 15, utilizes the more convenient dismantlement of assembled installation, also is convenient for change parts. The top of the mounting part 3 is provided with a flange 11 extending outward, and the support ring 4 is disposed below the flange 11. When the installation cover is installed, the support ring 4 is sleeved on the periphery of the installation part 3, and the movement of the support ring 4 can be limited through the flange 11 arranged on the periphery side of the top end of the installation part 3, so that the support ring 4 is fixed on the top surface of the installation cover 1. The top ends of the support rings 4 are respectively provided with a mounting groove 21, a bearing plate 8 is arranged in the mounting groove 21, when in use, two ends of the bearing plate 8 are respectively clamped in the mounting groove 21 at the top end of the support ring 4, pin shaft holes are also formed in the side surfaces of the mounting groove 21 and the two ends of the bearing plate 8, pin shafts 6 are arranged in the pin shaft holes, after the two ends of the bearing plate 8 are respectively clamped in the mounting groove 21 at the top end of the support ring 4, the bearing plate 8 is connected with the support ring 4 by inserting the pin shafts 6 into the pin shaft holes on the side surfaces of the bearing plate 8, the bearing plate 8 is arranged by utilizing the mounting groove 21, and the pin shafts 6 are used for completing the connection and fixation of the bearing plate 8 and the support ring; a screw rod 10 is arranged in a connecting hole 22 on the bearing plate 8, and the screw rod 10 is connected with the bearing plate 8 through the connecting hole 22; the screw 10 is connected with the connecting hole 22, so that the moving distance of the screw 10 can be more precisely adjusted, and the threaded connection of the screw has self-locking property; the sealing cover 7 is provided with a threaded hole 9, the threaded hole 9 in the sealing cover 7 is connected with the bottom end of the screw rod 10, the screw rod 10 is connected with the sealing cover 7, the distance between the bottom end of the screw rod 10 and the top surface of the sealing cover 7 can be adjusted by screwing the screw rod 10 downwards, when the bottom end of the screw rod 10 abuts against the top surface of the sealing cover 7 after passing through the threaded hole 9 in the sealing cover 7, the sealing cover 7 can be tightly pressed on the mounting cover 1, the self-locking performance of the sealing cover is stronger by utilizing thread locking, and looseness cannot be generated. When the sealing cover 7 needs to be opened, only the screw rod 10 on the bearing plate 8 needs to be screwed out upwards, the screw rod 10 moves along the direction of the top surface far away from the sealing cover 7, the screw rod 10 is enabled not to contact the top surface of the sealing cover 7, the compression of the screw rod 10 on the sealing cover 7 is relieved, the screw rod 10 is not separated from the threaded hole 9 in the sealing cover 7 at the moment, the screw rod 10 and the threaded hole 9 in the sealing cover 7 are connected, one of the pin shafts 6 connecting one half of the ring 15 and the bearing plate 8 is pulled out, the bearing plate 8 is held by hand to rotate around the joint of the other half of the ring 15 and the pin shaft 6 of the bearing plate 8, and.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a central pressure formula manhole cover for tank wagon which characterized in that: the manhole cover comprises an installation cover (1), wherein a manhole (2) is arranged in the middle of the installation cover (1), an installation part (3) is arranged at the opening part of the manhole (2), a support ring (4) is arranged on the peripheral side of the installation part (3), the support ring (4) comprises two connected semicircular rings (15), a support part (5) is arranged on each semicircular ring (15), and the two support parts (5) are arranged oppositely; a bearing plate (8) is arranged between the two supporting parts (5), and two ends of the bearing plate (8) are respectively connected with the tops of the supporting parts (5) through pin shafts (6); manhole (2) top is provided with sealed lid (7), set up threaded hole (9) on sealed lid (7), correspond threaded hole (9) be provided with screw rod (10) on bearing plate (8), the one end of screw rod (10) with threaded hole (9) are connected.
2. A center pressure manhole cover for tank trucks according to claim 1, wherein: the top of installation department (3) is provided with outside flange (11) that extend, support ring (4) set up the below of flange (11).
3. A center pressure manhole cover for tank trucks according to claim 1, wherein: and a sealing ring (12) is arranged at the matching position of the sealing cover (7) and the manhole (2).
4. A center pressure manhole cover for tank trucks according to claim 1, wherein: one side of the top end of the mounting cover (1) is provided with a spare hole (13), and a spare hole sealing cover (14) is arranged on the spare hole (13).
5. A center pressure manhole cover for tank trucks according to claim 1, wherein: two semicircle ring (15), one of them both ends of semicircle ring (15) are provided with connecting portion (16), and another both ends of semicircle ring (15) have seted up spread groove (17), connecting portion (16) set up in spread groove (17), bayonet lock (18) pass connecting portion (16) with spread groove (17).
6. A center pressure manhole cover for tank trucks according to claim 1, wherein: and a breather valve (19) is arranged on the sealing cover (7).
7. A center pressure manhole cover for tank trucks according to claim 1, wherein: the sealing cover (7) is provided with a handle (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021377894.3U CN213535976U (en) | 2020-07-14 | 2020-07-14 | Center pressure type manhole cover for oil tank truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021377894.3U CN213535976U (en) | 2020-07-14 | 2020-07-14 | Center pressure type manhole cover for oil tank truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213535976U true CN213535976U (en) | 2021-06-25 |
Family
ID=76487686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021377894.3U Active CN213535976U (en) | 2020-07-14 | 2020-07-14 | Center pressure type manhole cover for oil tank truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213535976U (en) |
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2020
- 2020-07-14 CN CN202021377894.3U patent/CN213535976U/en active Active
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