CN216382537U - Outward opening type pressure manhole - Google Patents
Outward opening type pressure manhole Download PDFInfo
- Publication number
- CN216382537U CN216382537U CN202122908082.8U CN202122908082U CN216382537U CN 216382537 U CN216382537 U CN 216382537U CN 202122908082 U CN202122908082 U CN 202122908082U CN 216382537 U CN216382537 U CN 216382537U
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- handle
- ring
- stud
- closing cap
- outward opening
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Abstract
The utility model belongs to the technical field of the technique of manhole and specifically relates to an outward opening pressure manhole is related to, including closing cap and outer lane, the closing cap is articulated with the outer lane, be provided with a plurality of fixing device on the outer lane, fixing device includes handle and double-screw bolt, be provided with the installation piece on the outer lane, be provided with the locking ring on the double-screw bolt, the length direction sliding connection of locking ring along the double-screw bolt is on the double-screw bolt, the roof of locking ring and the diapire butt of handle, the one end that the handle was kept away from to the double-screw bolt is articulated with the installation piece, be provided with the holding ring on the lateral wall of locking ring, be provided with the spring on the double-screw bolt. The staff rotates the closing cap to with the outer lane laminating back, rotates the double-screw bolt to the direction of being close to the closing cap through the handle, after the lateral wall butt of locking ring and closing cap, twist grip will lock the ring and remove to the direction of being close to the installation piece to the diapire that makes the holding ring supports tightly with the roof of closing cap, under highly compressed condition, is connected between closing cap and the outer lane and still stabilizes, has improved the manhole leakproofness.
Description
Technical Field
The application relates to the technical field of manholes, in particular to an outward opening type pressure manhole.
Background
A manhole refers to an open structure for personnel to enter and exit equipment for installation, maintenance, and safety inspection. Mainly comprises a short cylinder section (or a short pipe), a flange and a manhole cover with a handle. For safety inspection, the number of manholes required to be opened in a pressure vessel and the minimum size thereof are referred to as "inspection holes". The manhole material is carbon steel and stainless steel.
Among the prior art, the setting is in the middle of the ordinary pressure environment more to the open-type manhole, and in high pressure environment, the manhole causes sealed face to leak easily, can not satisfy the requirement of market to the leakproofness of manhole in the high pressure environment.
SUMMERY OF THE UTILITY MODEL
In order to improve the sealing performance of the manhole, the application provides an outward opening type pressure manhole.
The application provides an outward opening pressure manhole adopts following technical scheme:
an outward opening pressure manhole comprises a sealing cover and an outer ring which is fixedly connected with equipment, wherein the sealing cover is hinged with the outer ring, a plurality of fixing devices are arranged on the outer side wall of the outer ring at intervals along the circumferential direction of the outer ring, each fixing device comprises a handle and a stud, the handle is in threaded connection with the stud, the outer side wall of the outer ring is fixedly provided with a mounting block, the stud is provided with a locking ring, the locking ring is connected on the stud in a sliding way along the length direction of the stud, the top wall of the locking ring is abutted against the bottom wall of the handle, one end of the stud far away from the handle is hinged with the mounting block, the locking ring is provided with a positioning ring, the positioning ring is coaxially and fixedly arranged on the outer side wall of the locking ring, the bottom wall of the positioning ring can be contacted with the top wall of the sealing cover, and a spring for driving the locking ring to move towards the direction close to the handle is arranged on the stud.
Through adopting above-mentioned technical scheme, the staff rotates the closing cap to with the outer lane laminating back, rotates the double-screw bolt to the direction of being close to the closing cap through the handle, after the lateral wall butt of locking ring and closing cap, twist grip will lock the ring and remove to the direction of being close to the installation piece to the diapire that makes the holding ring supports tightly with the roof of closing cap, under highly compressed condition, is connected between closing cap and the outer lane and still stabilizes, has improved the manhole leakproofness.
Optionally, the bottom wall of the sealing cover is fixedly provided with a sealing ring along the circumferential direction of the sealing cover.
Optionally, it has the handle to articulate on the roof of closing cap, the handle includes connecting rod and two dwangs that are parallel to each other, the both ends of connecting rod respectively with the one end fixed connection of two dwangs, two the one end that the connecting rod was kept away from to the dwang is articulated with the closing cap.
Through adopting above-mentioned technical scheme, when unsealing the lid, move the expansion end of dwang to the direction of keeping away from the closing cap through the connecting rod, then make the expansion end and the outer lane separation of closing cap, make things convenient for the staff to open the closing cap.
Optionally, the bottom wall of the cover is provided with an inclined surface inclined towards the center of the cover, and the inclined surface is inclined towards a direction away from the outer ring.
Through adopting above-mentioned technical scheme, the inclined plane can effectively prevent that steam from leaking, improves the stability of closing cap.
Optionally, the handle is made of plastic.
Optionally, a plurality of positioning blocks are fixedly arranged on the outer side wall of the handle at intervals along the circumferential direction of the handle.
Through adopting above-mentioned technical scheme, the staff passes through locating piece twist grip, makes things convenient for the staff to twist grip.
Optionally, the handle is made of stainless steel.
Optionally, one end of the handle, which is far away from the stud, is fixedly provided with a rotating ring along the length direction of the stud.
Through adopting above-mentioned technical scheme, the staff can use appurtenance to pass through swivel becket twist grip, makes things convenient for the staff to twist grip.
Optionally, the central part of dwang is provided with the kink, the kink is to keeping away from the direction bending of closing cap.
Through adopting above-mentioned technical scheme, the staff can rotate the dwang to the direction of keeping away from the closing cap through the portion of buckling, makes things convenient for the staff to use the handle.
Optionally, a heat insulation ring is fixedly arranged on the connecting rod.
Through adopting above-mentioned technical scheme, thermal-insulated circle prevents effectively that the heat transfer of closing cap from to on hand, prevents effectively that the staff from being scalded by the handle when contacting with the handle, has improved the security.
In summary, the present application includes at least one of the following beneficial technical effects:
after the sealing cover is rotated to be attached to the outer ring by a worker, the stud is rotated towards the direction close to the sealing cover through the handle, when the locking ring is abutted to the side wall of the sealing cover, the locking ring is moved towards the direction close to the mounting block by rotating the handle, the bottom wall of the positioning ring is abutted to the top wall of the sealing cover, meanwhile, the sealing ring improves the sealing property between the sealing cover and the outer ring, so that the sealing cover and the outer ring are still stably connected under the condition of high pressure, and the sealing property of a manhole is improved;
when the seal cover is opened, the movable end of the rotating rod is moved to the direction far away from the seal cover through the connecting rod, and then the movable end of the seal cover is separated from the outer ring, so that a worker can conveniently open the seal cover;
the inclined plane can effectively prevent steam from leaking, and the stability of the sealing cover is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of an outward opening pressure manhole in embodiment 1 of the present application.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a partial structural schematic view of an outward opening pressure manhole in embodiment 2 of the present application.
Fig. 4 is a partial structural schematic view of an outward opening pressure manhole in embodiment 3 of the present application.
Description of reference numerals: 1. sealing the cover; 11. an inclined surface; 2. an outer ring; 21. mounting blocks; 3. a seal ring; 4. a fixing device; 41. a handle; 42. a stud; 43. locking the circular ring; 44. a positioning ring; 5. a spring; 6. a handle; 61. a connecting rod; 62. rotating the rod; 7. positioning blocks; 8. a rotating ring; 9. a bending section; 10. a heat insulation ring.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses outward opening pressure manhole.
Example 1:
referring to fig. 1 and 2, the outward-opening pressure manhole comprises a sealing cover 1 and an outer ring 2 fixedly connected with equipment, one end of the outer ring 2 is hinged to the sealing cover 1, a fixing device 4 used for fixing the sealing cover 1 to the outer ring 2 is arranged on the outer ring 2, a worker rotates the movable end of the sealing cover 1 to the direction close to the outer ring 2, and after the movable end of the sealing cover 1 is in contact with the outer ring 2, the sealing cover 1 is fixed to the outer ring 2 through the fixing device 4.
Referring to fig. 1 and 2, the cover 1 is a casing with an open bottom, and in order to improve the sealing performance, a seal ring 3 is mounted on the bottom wall of the cover 1 along the circumferential direction of the cover 1, in this embodiment, the seal ring 3 is made of rubber, the seal ring 3 is bonded to the bottom wall of the cover 1, and when the movable end of the cover 1 contacts the outer ring 2, the bottom of the seal ring 3 abuts against the top wall of the outer ring 2.
Referring to fig. 1, in order to further improve the sealing property between the closure 1 and the outer ring 2, the bottom wall of the closure 1 is provided with an inclined surface 11 inclined toward the center of the closure 1, and the inclined surface 11 is inclined in a direction away from the outer ring 2.
Referring to fig. 1, a handle 6 is hinged to the top wall of the sealing cover 1, the handle 6 includes a connecting rod 61 and two rotating rods 62 parallel to each other, two ends of the connecting rod 61 are respectively fixedly connected to one ends of the two rotating rods 62, and one end of the two rotating rods 62 away from the connecting rod 61 is hinged to the sealing cover 1. When the seal cover 1 is opened, a worker moves the movable end of the rotating rod 62 in the direction away from the seal cover 1 through the connecting rod 61, and then the movable end of the seal cover 1 is separated from the outer ring 2, so that the worker can open the seal cover 1 conveniently.
Referring to fig. 1 and 2, a plurality of fixing devices 4 are installed at intervals along the circumferential direction of the outer side wall of the outer ring 2, in this embodiment, six fixing devices 4 are provided, each fixing device 4 includes a handle 41 and a stud 42, an installation block 21 is welded on the outer side wall of the outer ring 2, a groove is formed in one end, away from the outer ring 2, of the installation block 21, one end of the stud 42 is hinged to the side wall of the groove, the other end of the stud 42 is in threaded connection with the handle 41, and a hinge shaft of the stud 42 and the installation block 21 is installed at one end, away from the outer ring 2, of the installation block 21. The stud 42 is provided with a locking ring 43, the locking ring 43 is connected to the stud 42 in a sliding manner along the length direction of the stud 42, an accommodating groove for accommodating the handle 41 is formed in the top wall of the locking ring 43, and the bottom wall of the handle 41 is abutted to the bottom wall of the accommodating groove of the locking ring 43. The stud 42 is provided with a spring 5 for urging the locking ring 43 to move in a direction approaching the handle 41, a ball part is integrally formed at the bottom of the stud 42, and one end of the spring 5 abuts against the ball part of the stud 42 and the other end thereof is welded to the bottom wall of the locking ring 43. A positioning ring 44 is integrally formed on the locking ring 43, the positioning ring 44 is coaxially mounted on the outer side wall of the locking ring 43, and the bottom wall of the positioning ring 44 can contact with the top wall of the sealing cover 1.
Referring to fig. 1 and 2, in the present embodiment, the handle 41 is made of plastic, and a plurality of positioning blocks 7 are integrally formed on the outer side wall of the handle 41 at intervals in the circumferential direction of the handle 41. The staff rotates handle 41 through locating piece 7, makes things convenient for the staff to rotate handle 41.
The implementation principle of the embodiment 1 of the application is as follows: the staff rotates closing cap 1 to with the laminating back of outer lane 2, rotates stud 42 to the direction that is close to closing cap 1 through handle 41, after the lateral wall butt of locking ring 43 and closing cap 1, twist grip 41 will lock the ring 43 and move to the direction that is close to installation piece 21 to the diapire that makes holding ring 44 supports tightly with the roof of closing cap 1, under highly compressed condition, it is still firm to connect between closing cap 1 and the outer lane 2, has improved the manhole leakproofness.
Example 2:
referring to fig. 3, embodiment 2 is different from embodiment 1 in that the handle 41 is made of stainless steel.
The handle 41 is made of stainless steel, and the rotating ring 8 is welded at one end of the handle 41 far away from the stud 42 along the length direction of the stud 42. The staff can use appurtenance, inserts appurtenance in the swivel 8, then rotates handle 41 through rotating swivel 8, makes things convenient for the staff to rotate handle 41. Meanwhile, the handle 41 made of stainless steel is firmer, durable and rustproof, the connection stability between the sealing cover 1 and the outer ring 2 is further improved, and the sealing plate can be better fixed on the outer ring 2 by using the stainless steel handle 41.
Example 3:
referring to fig. 4, embodiment 3 is different from embodiment 1 in that a bent portion 9 and a heat insulating ring 10 are attached to a handle 6.
The turning lever 62 is provided at the center with a bent portion 9, and the bent portion 9 is bent in a direction away from the cover 1. The staff can rotate dwang 62 to the direction of keeping away from closing cap 1 through kink 9, makes things convenient for the staff to use handle 6. The coaxial bonding of length direction along connecting rod 61 has thermal-insulated circle 10 on the connecting rod 61, and in this embodiment, thermal-insulated circle 10 adopts the carbon fiber to fill the tetrafluoroethylene preparation and forms, and thermal-insulated circle 10 prevents effectively that the heat transfer of closing cap 1 from being scalded by handle 6 when contacting with handle 6, has improved the security on effectively preventing the staff.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. An outward opening type pressure manhole is characterized in that: comprises a sealing cover (1) and an outer ring (2) fixedly connected with equipment, wherein the sealing cover (1) is hinged with the outer ring (2), the outer side wall of the outer ring (2) is provided with a plurality of fixing devices (4) at intervals along the circumferential direction of the outer ring (2), each fixing device (4) comprises a handle (41) and a stud (42), the handle (41) is in threaded connection with the stud (42), the outer side wall of the outer ring (2) is fixedly provided with a mounting block (21), a locking circular ring (43) is arranged on the stud (42), the locking circular ring (43) is connected on the stud (42) in a sliding manner along the length direction of the stud (42), the top wall of the locking circular ring (43) is abutted against the bottom wall of the handle (41), one end of the stud (42), far away from the handle (41), is hinged with the mounting block (21), and a positioning ring (44) is arranged on the locking circular ring (43), the positioning ring (44) is coaxially and fixedly arranged on the outer side wall of the locking circular ring (43), the bottom wall of the positioning ring (44) can be in contact with the top wall of the sealing cover (1), and the stud (42) is provided with a spring (5) for driving the locking circular ring (43) to move towards the direction close to the handle (41).
2. An outward opening pressure manhole as claimed in claim 1, wherein: the sealing ring (3) is fixedly arranged on the bottom wall of the sealing cover (1) along the circumferential direction of the sealing cover (1).
3. An outward opening pressure manhole as claimed in claim 2, wherein: articulated on the roof of closing cap (1) have handle (6), handle (6) include connecting rod (61) and two dwang (62) that are parallel to each other, the both ends of connecting rod (61) respectively with the one end fixed connection of two dwang (62), two the one end that connecting rod (61) were kept away from in dwang (62) is articulated with closing cap (1).
4. An outward opening pressure manhole according to any one of claims 1 to 3, wherein: the bottom wall of the sealing cover (1) is provided with an inclined surface (11) inclined towards the center of the sealing cover (1), and the inclined surface (11) is inclined towards the direction far away from the outer ring (2).
5. An outward opening pressure manhole as claimed in claim 4, wherein: the handle (41) is made of plastic.
6. An outward opening pressure manhole as claimed in claim 5, wherein: the outer side wall of the handle (41) is fixedly provided with a plurality of positioning blocks (7) at intervals along the circumferential direction of the handle (41).
7. An outward opening pressure manhole as claimed in claim 4, wherein: the handle (41) is made of stainless steel.
8. An outward opening pressure manhole as claimed in claim 7, wherein: and a rotating ring (8) is fixedly arranged at one end of the handle (41) far away from the stud (42) along the length direction of the stud (42).
9. An outward opening pressure manhole as claimed in claim 3, wherein: the central authorities of dwang (62) are provided with kink (9), kink (9) are to keeping away from the direction of closing cap (1) and buckle.
10. An outward opening pressure manhole as claimed in claim 9, wherein: and a heat insulation ring (10) is fixedly arranged on the connecting rod (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122908082.8U CN216382537U (en) | 2021-11-24 | 2021-11-24 | Outward opening type pressure manhole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122908082.8U CN216382537U (en) | 2021-11-24 | 2021-11-24 | Outward opening type pressure manhole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216382537U true CN216382537U (en) | 2022-04-26 |
Family
ID=81218615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122908082.8U Active CN216382537U (en) | 2021-11-24 | 2021-11-24 | Outward opening type pressure manhole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216382537U (en) |
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2021
- 2021-11-24 CN CN202122908082.8U patent/CN216382537U/en active Active
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