Anti-distortion stainless steel manhole

Abstract

The utility model relates to the technical field of stainless steel manholes, in particular to an anti-distortion stainless steel manhole which comprises a manhole assembly, the manhole assembly comprises a hole barrel, a hole cover is arranged above the hole barrel, and a handle is installed above the hole cover. A limiting assembly is arranged on the outer side of the upper portion of the hole barrel, and an anti-twisting assembly is arranged below the middle of the hole cover. A limiting assembly; and the limiting assembly comprises a rotating ring, an inserting rod penetrates through the interior of the rotating ring, and one end of the outer side of the inserting rod is connected with a pull rod. According to the stainless steel manhole, the anti-distortion assembly is arranged, the supporting barrel supports the manhole barrel, the supporting barrel plays a role in preventing the manhole barrel from being distorted, the first supporting frame, the second supporting frame and the third supporting frame are evenly distributed on the inner wall of the supporting barrel and play a role in supporting the supporting barrel, and due to the arrangement of the limiting assembly, operation is easy and fast; and bolts are not needed to fix the hole cover, so that the labor intensity is reduced, and the mounting and dismounting efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stainless steel manholes, in particular to an anti-twisting stainless steel manhole. Background Art

[0002] The stainless steel manhole is a safety emergency ventilation device installed on the top of the tank, usually used in conjunction with a fire extinguisher and a mechanical breathing valve.

[0003] However, the existing stainless steel manhole has welds. After long-term use, the air pressure inside the storage tank will change, which can easily cause the manhole to be distorted. Once the manhole is distorted, the practicality of the manhole is greatly reduced. Utility Model Content

[0004] The utility model aims to provide a twist-resistant stainless steel manhole to solve the problem that the stainless steel manhole is prone to twisting as mentioned in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solution: an anti-twisting stainless steel manhole, comprising:

[0006] A manhole assembly, the manhole assembly comprising a manhole barrel, a manhole cover is arranged above the manhole barrel, and a handle is installed above the manhole cover;

[0007] A limit position component is provided on the upper outer side of the hole barrel, and an anti-twisting component is provided on the lower middle of the hole cover;

[0008] A limit assembly; the limit assembly comprises a swivel, a plug rod is passed through the interior of the swivel, a pull rod is connected to the outer end of the plug rod, a spring is arranged on the periphery of the plug rod, a fixing ring is connected to the end of the spring away from the pull rod, a limit plate is arranged on the outside of the end of the plug rod away from the pull rod, a shaft rod is passed through the interior of the limit plate on the side close to the pull rod, and fixing blocks are connected to the two ends of the shaft rod;

[0009] Anti-twisting component; the anti-twisting component includes a support barrel, a screw rod penetrates one end of the support barrel close to the hole cover, and a support frame No. 1, a support frame No. 2 and a support frame No. 3 are respectively arranged on the inner side of the support barrel from bottom to top.

[0010] Preferably, the swivel is rotatably connected to the hole barrel, the insertion rod is slidably connected to the swivel, and the fixed ring is fixedly connected to the insertion rod.

[0011] Preferably, the two ends of the spring are fixedly connected to the rotating ring and the fixing ring respectively, and the limiting plate is provided with a groove corresponding to the insertion rod.

[0012] Preferably, the shaft rod is provided with a hole corresponding to the insertion rod, and the limit plate is rotatably connected to the shaft rod.

[0013] Preferably, the fixing block is fixedly connected to the hole barrel, and the shaft rod is fixedly connected to the fixing block.

[0014] Preferably, the support barrel is provided with a hole corresponding to the screw rod, and the screw rod is threadedly connected to the hole cover.

[0015] Preferably, the No. 1 support frame, the No. 2 support frame and the No. 3 support frame are evenly and symmetrically distributed on the inner side of the support barrel, and the No. 1 support frame, the No. 2 support frame and the No. 3 support frame are all connected to the support barrel in a damping sliding manner.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] (1) The novel stainless steel manhole can be provided with an anti-twisting component, so that the screw rod can be passed through the hole of the support barrel and screwed into the hole cover, and then the hole cover is covered on the hole barrel, and the outer wall of the support barrel fits with the inner wall of the hole barrel, and the support barrel supports the hole barrel, and the support barrel plays a role in preventing the hole barrel from twisting. The No. 1 support frame, the No. 2 support frame and the No. 3 support frame are evenly distributed on the inner wall of the support barrel, and play a role in supporting the support barrel.

[0018] (2) The new stainless steel manhole can be moved outward by holding the pull rod with both hands through the setting of the limit assembly. The pull rod drives the insertion rod to move away from the groove of the limit plate and the hole of the shaft rod. Then, the swivel is turned so that after the pull rod is released, the insertion rod will not be inserted into the hole of the shaft rod. The handle can be directly held to remove the hole cover from the top of the hole barrel. The operation is simple and quick, and there is no need to use bolts to fix the hole cover, which reduces labor intensity and improves the efficiency of installation and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic cross-sectional diagram of the overall structure of the utility model;

[0021] Figure 3 For the utility model Figure 2 Schematic diagram of the structure of part A;

[0022] Figure 4 It is a schematic diagram of the bottom of the overall structure of the utility model;

[0023] Figure 5 It is an exploded schematic diagram of the limit assembly of the utility model.

[0024] In the figure: 01, manhole assembly; 11, hole barrel; 12, hole cover; 13, handle; 02, limit assembly; 21, swivel; 22, plug rod; 23, pull rod; 24, spring; 25, fixing ring; 26, limit plate; 27, shaft rod; 28, fixing block; 03, anti-twisting assembly; 31, support barrel; 32, screw; 33, support frame No. 1; 34, support frame No. 2; 35, support frame No. 3. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-5 , the utility model provides an embodiment: an anti-twisting stainless steel manhole.

[0027] The manhole assembly 01 includes a manhole barrel 11, a manhole cover 12 is arranged above the manhole barrel 11, and a handle 13 is installed above the manhole cover 12;

[0028] A limit component 02 is provided on the upper outer side of the hole barrel 11, and an anti-twisting component 03 is provided on the middle and lower part of the hole cover 12;

[0029] Limiting assembly 02; The limiting assembly 02 includes a rotating ring 21, and a plug rod 22 is passed through the interior of the rotating ring 21. The plug rod 22 passes through the hole of the shaft rod 27 and is inserted into the groove of the limiting plate 26, which can limit the limiting plate 26. The outer end of the plug rod 22 is connected to the pull rod 23, and a spring 24 is arranged on the periphery of the plug rod 22. The spring 24 provides elastic force and can drive the fixing ring 25 and the plug rod 22 to be inserted into the groove of the limiting plate 26. The end of the spring 24 away from the pull rod 23 is connected to the fixing ring 25, and the end of the plug rod 22 away from the pull rod 23 is provided with a limiting plate 26 on the outside, and the side of the limiting plate 26 close to the pull rod 23 is penetrated by the shaft rod 27, and the two ends of the shaft rod 27 are connected to fixing blocks 28;

[0030] Anti-twisting component 03; Anti-twisting component 03 includes a support barrel 31, which supports the hole barrel 11 and prevents the hole barrel 11 from twisting. A screw 32 runs through one end of the support barrel 31 close to the hole cover 12, and the screw 32 can pass through the hole of the support barrel 31 and be screwed into the hole cover 12 to limit the support barrel 31. A support frame No. 1 33, a support frame No. 2 34 and a support frame No. 3 35 are respectively arranged on the inner side of the support barrel 31 from bottom to top. The support frame No. 1 33, the support frame No. 2 34 and the support frame No. 35 are evenly distributed on the inner wall of the support barrel 31 to support the support barrel 31.

[0031] Furthermore, the swivel 21 is rotatably connected to the hole barrel 11 , the insertion rod 22 is slidably connected to the swivel 21 to ensure that the swivel 21 does not affect the movement of the insertion rod 22 , and the fixing ring 25 is fixedly connected to the insertion rod 22 .

[0032] Furthermore, the two ends of the spring 24 are fixedly connected to the rotating ring 21 and the fixed ring 25 respectively. The spring 24 provides elastic force, which can drive the fixed ring 25 and the insertion rod 22 to be inserted into the groove of the limiting plate 26. The limiting plate 26 is provided with a groove corresponding to the insertion rod 22. The insertion rod 22 passes through the hole of the shaft 27 and is inserted into the groove of the limiting plate 26, so as to limit the limiting plate 26.

[0033] Furthermore, a hole is opened in the shaft rod 27 corresponding to the plug rod 22, and the plug rod 22 passes through the hole of the shaft rod 27 and is inserted into the groove of the limit plate 26, which can limit the limit plate 26. The limit plate 26 is rotatably connected to the shaft rod 27. When the plug rod 22 is away from the hole of the shaft rod 27, the limit plate 26 does not affect the removal of the hole cover 12.

[0034] Furthermore, the fixing block 28 is fixedly connected to the hole barrel 11 to ensure the stability of the fixing block 28 , and the shaft rod 27 is fixedly connected to the fixing block 28 to ensure the stability of the hole of the shaft rod 27 .

[0035] Furthermore, the support barrel 31 is provided with a hole corresponding to the screw rod 32 , and the screw rod 32 is threadedly connected to the hole cover 12 . The screw rod 32 passes through the hole of the support barrel 31 and can be screwed into the hole cover 12 to fix the position of the support barrel 31 .

[0036] Furthermore, support frame No. 1 33, support frame No. 2 34 and support frame No. 3 35 are evenly and symmetrically distributed on the inner side of support barrel 31, support frame No. 1 33, support frame No. 2 34 and support frame No. 3 35 are evenly distributed on the inner wall of support barrel 31, playing the role of supporting support barrel 31, support frame No. 1 33, support frame No. 2 34 and support frame No. 3 35 are all connected to support barrel 31 in a damping sliding manner, ensuring that support frame No. 1 33, support frame No. 2 34 and support frame No. 3 35 will not move in the absence of external force.

[0037] Working principle: When in use, first put the No. 1 support frame 33, the No. 2 support frame 34 and the No. 3 support frame 35 into the support barrel 31 in sequence, screw the screw 32 through the hole of the support barrel 31 and screw it into the hole cover 12, then cover the hole cover 12 on the hole barrel 11, the outer wall of the support barrel 31 fits with the inner wall of the hole barrel 11, then pull the pull rod 23 with both hands and move it outward, the pull rod 23 drives the insertion rod 22 to move, the insertion rod 22 is away from the groove of the limit plate 26 and the hole of the shaft rod 27, and then rotate the swivel 21, so that after loosening the pull rod 23, the insertion rod 22 will not be inserted into the hole of the shaft rod 27, directly hold the handle 13, and remove the hole cover 12 from the top of the hole barrel 11. The above is the entire working principle of the utility model.

[0038] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A twist-resistant stainless steel manhole, characterized in that: include: A manhole assembly (01), the manhole assembly (01) comprising a manhole barrel (11), a manhole cover (12) being arranged above the manhole barrel (11), and a handle (13) being installed above the manhole cover (12); A limit assembly (02) is provided on the upper outer side of the hole barrel (11), and an anti-twisting assembly (03) is provided on the middle lower part of the hole cover (12); A limit assembly (02); the limit assembly (02) comprises a rotating ring (21), an insert rod (22) passes through the interior of the rotating ring (21), an outer end of the insert rod (22) is connected to a pull rod (23), a spring (24) is arranged on the periphery of the insert rod (22), an end of the spring (24) away from the pull rod (23) is connected to a fixing ring (25), a limit plate (26) is arranged on the exterior of an end of the insert rod (22) away from the pull rod (23), a shaft rod (27) passes through the interior of the limit plate (26) on the side close to the pull rod (23), and both ends of the shaft rod (27) are connected to fixing blocks (28); An anti-twist component (03); the anti-twist component (03) comprises a support barrel (31), a screw rod (32) passes through one end of the support barrel (31) close to the hole cover (12), and a first support frame (33), a second support frame (34) and a third support frame (35) are respectively arranged on the inner side of the support barrel (31) from bottom to top.

2. The anti-twisting stainless steel manhole according to claim 1, characterized in that: The rotating ring (21) is rotatably connected to the hole barrel (11), the inserting rod (22) is slidably connected to the rotating ring (21), and the fixing ring (25) is fixedly connected to the inserting rod (22).

3. The anti-twisting stainless steel manhole according to claim 1, characterized in that: The two ends of the spring (24) are fixedly connected to the rotating ring (21) and the fixing ring (25) respectively, and the limiting plate (26) is provided with a groove corresponding to the insertion rod (22).

4. The anti-twisting stainless steel manhole according to claim 1, characterized in that: The shaft rod (27) is provided with a hole corresponding to the insertion rod (22), and the limiting plate (26) is rotatably connected to the shaft rod (27).

5. The anti-twisting stainless steel manhole according to claim 2, characterized in that: The fixing block (28) is fixedly connected to the hole barrel (11), and the shaft rod (27) is fixedly connected to the fixing block (28).

6. The anti-twisting stainless steel manhole according to claim 3, characterized in that: The support barrel (31) is provided with a hole corresponding to the screw rod (32), and the screw rod (32) is threadedly connected to the hole cover (12).

7. The anti-twisting stainless steel manhole according to claim 4, characterized in that: The first support frame (33), the second support frame (34) and the third support frame (35) are evenly and symmetrically distributed on the inner side of the support barrel (31), and the first support frame (33), the second support frame (34) and the third support frame (35) are all connected to the support barrel (31) in a damping sliding manner.

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