Manhole structure with retention plate

Abstract

The utility model relates to the technical field of manhole structures, in particular to a manhole structure with a retention plate, which comprises a shell ring, a pipe connecting flange is mounted on the front end face of the shell ring, a flange cover is mounted at the other end of the pipe connecting flange, and a retention assembly is mounted in the shell ring. The fixing assembly comprises a fixing plate body, a plurality of inner check blocks located on the inner side of the fixing plate body and a plurality of outer check blocks located on the outer side of the fixing plate body, a plurality of ports distributed in a surrounding mode are formed in the outer side wall of the fixing plate body in a penetrating mode, and the inner check blocks and the outer check blocks are all installed on the inner side wall of the shell ring. Therefore, when solid materials are contained, the situation that the whole manhole is filled with the materials, and use is affected is prevented, manufacturing cost is low, mounting and dismounting are more convenient, occupied space of a manhole channel is small, and internal overhaul and internal part replacement conducted by personnel through the manhole cannot be affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to manhole structure technical field, concretely is a kind of manhole structure with retaining plate. BACKGROUND

[0002] Pressure vessels are widely used in petroleum, chemical, pharmaceutical, food and metallurgical industries. Containers that need to be regularly arranged or inspected should be provided with special manholes or inspection holes for entry or observation. Containers containing solid materials should be provided with baffles within the range of solid materials.

[0003] Ordinary manholes are composed of cylinder segments, pipe flanges, flange covers and devices for supporting the opening and closing of flange covers. When storing solid materials, solid materials can easily enter the cylinder segment, causing the material to fill the entire manhole, thereby affecting use. Therefore, it is necessary to provide a manhole structure with retaining plate to solve the above problems. SUMMARY

[0004] The utility model aims at providing a manhole structure with retaining plate, which prevents the material from filling the entire manhole and affecting use, has low manufacturing cost, is more convenient to install and disassemble, occupies less space in the manhole passage and does not affect internal inspection and internal part replacement through the manhole.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a manhole structure with retaining plate, comprising a cylinder segment, a pipe flange is installed on the front end face of the cylinder segment, a flange cover is installed on the other end of the pipe flange, a fixed position assembly is installed inside the cylinder segment, the fixed position assembly comprises a retaining plate body, a plurality of inner stop blocks inside the retaining plate body and a plurality of outer stop blocks outside the retaining plate body, a plurality of ports are formed through the outer side wall of the retaining plate body, and the plurality of inner stop blocks and the plurality of outer stop blocks are installed on the inner side wall of the cylinder segment.

[0006] To facilitate the movement of the retaining plate body between the plurality of inner stop blocks and the plurality of outer stop blocks, preferably, the plurality of outer stop blocks correspond to the positions of the plurality of ports, and are distributed in a staggered manner with the plurality of inner stop blocks.

[0007] To facilitate the movement of the retaining plate body through the outer stop blocks to the space between the inner stop blocks and the outer stop blocks, preferably, the size of the plurality of ports is greater than the size of the plurality of outer stop blocks and smaller than the size of the plurality of inner stop blocks.

[0008] To facilitate the fixation of the retaining plate body by the plurality of inner stop blocks and the plurality of outer stop blocks, preferably, the size of the plurality of inner stop blocks is greater than the size of the plurality of outer stop blocks.

[0009] In order to facilitate the holding plate body to be picked up, as a manhole structure with a holding plate of the utility model, the outer side wall of the holding plate body is provided with a handle.

[0010] Compared with the prior art, the utility model has the beneficial effects as follows:

[0011] The manhole is internally provided with the holding plate assembly, and can be used for a container for containing solid materials, so that the manhole is not filled with materials and use is affected.

[0012] The holding plate assembly is used, material consumption is reduced, material cost is saved, the device is simple to manufacture, working hours are reduced, and manufacturing cost is greatly reduced.

[0013] The holding plate body is installed and disassembled more conveniently, the manhole passage space is smaller, and internal inspection and internal part replacement of personnel through the manhole are not affected. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a sectional view of the whole utility model;

[0015] Fig. 2 It is a left sectional view of the fixed position assembly of the utility model;

[0016] Fig. 3 It is a structure diagram when the fixed position assembly is installed;

[0017] Fig. 4 It is a structure diagram of the holding plate body of the utility model.

[0018] In the drawing: 1, barrel section; 2, pipe flange; 3, flange cover; 4, fixed position assembly; 401, holding plate body; 402, port; 5, inner stop block; 6, outer stop block; 7, handle. DETAILED DESCRIPTION

[0019] Please refer to Figs. 1 to 4 A manhole structure with a holding plate, comprising a barrel section 1, the front end face of the barrel section 1 is provided with a pipe flange 2, the other end of the pipe flange 2 is provided with a flange cover 3, the inside of the barrel section 1 is provided with a fixed position assembly 4, the fixed position assembly 4 comprises a holding plate body 401, a plurality of inner stop blocks 5 located on the inner side of the holding plate body 401 and a plurality of outer stop blocks 6 located on the outer side of the holding plate body 401, the outer side wall of the holding plate body 401 is provided with a plurality of circumferentially distributed ports 402, and the plurality of inner stop blocks 5 and the plurality of outer stop blocks 6 are installed on the inner side wall of the barrel section 1.

[0020] In the embodiment, when the retainer plate body 401 is installed, the plurality of ports 402 on the retainer plate body 401 are aligned with the plurality of outer stop blocks 6 by the handle 7, the retainer plate body 401 is inserted through the plurality of outer stop blocks 6, and then the handle 7 is rotated to drive the plurality of ports 402 to be misaligned with the plurality of outer stop blocks 6, so that the plurality of outer stop blocks 6 cooperate with the plurality of inner stop blocks 5 to fix the retainer plate body 401, that is, the installation of the retainer plate body 401 is completed.

[0021] When the retainer plate body 401 is disassembled, the handle 7 is rotated, so that the ports 402 on the retainer plate body 401 are aligned with the plurality of outer stop blocks 6, and the retainer plate body 401 can be disassembled.

[0022] As a technical optimization scheme of the utility model, the plurality of outer stop blocks 6 correspond to the positions of the plurality of ports 402, and are misaligned with the plurality of inner stop blocks 5, respectively.

[0023] In the embodiment, the plurality of outer stop blocks 6 correspond to the positions of the plurality of ports 402, so that the distance between the plurality of inner stop blocks 5 corresponds to the distance between the plurality of outer stop blocks 6 and the distance between the plurality of ports 402, the retainer plate body 401 is conveniently moved between the plurality of inner stop blocks 5 and the plurality of outer stop blocks 6, the plurality of outer stop blocks 6 are misaligned with the plurality of inner stop blocks 5, respectively, and the retainer plate body 401 is conveniently fixed between the plurality of outer stop blocks 6 and the plurality of inner stop blocks 5 by rotating the retainer plate body 401.

[0024] As a technical optimization scheme of the utility model, the size of the plurality of ports 402 is greater than the size of the plurality of outer stop blocks 6 and less than the size of the plurality of inner stop blocks 5.

[0025] In the embodiment, the size of the plurality of ports 402 is greater than the size of the outer stop block 6 and less than the size of the inner stop block 5, so that the retainer plate body 401 is moved between the inner stop block 5 and the outer stop block 6 through the port 402.

[0026] As a technical optimization scheme of the utility model, the size of the plurality of inner stop blocks 5 is greater than the size of the plurality of outer stop blocks 6.

[0027] In the embodiment, the plurality of inner stop blocks 5 are greater than the size of the outer stop block 6, which can block and limit the retainer plate body 401, and the plurality of inner stop blocks 5 and the plurality of outer stop blocks 6 conveniently cooperate to fix the retainer plate body 401.

[0028] As a technical optimization scheme of the utility model, the handle 7 is installed on the outer side wall of the retainer plate body 401.

[0029] In the embodiment, the handle 7 is installed, so that the retainer plate body 401 is conveniently rotated.

[0030] Working principle: firstly, the device is installed on the container containing solid material, in use, first open the flange cover 3, then take up the retaining plate body 401 through the handle 7, move the retaining plate body 401 into the cylinder section 1, and make the multiple ports 402 on the retaining plate body 401 align with the outer stop block 6, pass the retaining plate body 401 through the multiple outer stop blocks 6, then rotate the handle 7, make the multiple ports 402 rotate the retaining plate body 401 to dislocate with the multiple outer stop blocks 6, so that the multiple outer stop blocks 6 cooperate with the inner stop block 5 to fix the retaining plate body 401, that is, complete the installation of the retaining plate body 401;

[0031] When disassembling the retaining plate body 401, rotate the handle 7, make the ports 402 on the retaining plate body 401 align with the multiple outer stop blocks 6, that is, the retaining plate body 401 can be removed.

[0032] The above is only the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A manhole structure with a retaining plate, comprising a cylindrical section (1), wherein a connecting flange (2) is mounted on the front end face of the cylindrical section (1), and a flange cover (3) is mounted on the other end of the connecting flange (2), characterized in that: The cylindrical section (1) is equipped with a fixing assembly (4). The fixing assembly (4) includes a fixing plate body (401), a plurality of inner blocks (5) located inside the fixing plate body (401), and a plurality of outer blocks (6) located outside the fixing plate body (401). The outer wall of the fixing plate body (401) is provided with a plurality of circumferentially distributed ports (402). The plurality of inner blocks (5) and the plurality of outer blocks (6) are all installed on the inner wall of the cylindrical section (1).

2. The manhole structure with a retaining plate according to claim 1, characterized in that: The positions of the multiple outer blocks (6) correspond to the positions of the multiple ports (402), and are respectively staggered with the multiple inner blocks (5).

3. The manhole structure with a retaining plate according to claim 1, characterized in that: The dimensions of the plurality of ports (402) are all larger than the dimensions of the plurality of outer blocks (6) and smaller than the dimensions of the plurality of inner blocks (5).

4. The manhole structure with a retaining plate according to claim 1, characterized in that: The dimensions of the multiple inner blocks (5) are all larger than the dimensions of the multiple outer blocks (6).

5. A manhole structure with a retaining plate according to claim 1, characterized in that: A handle (7) is installed on the outer wall of the retaining plate body (401).

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