A connection structure for a manhole cover

Abstract

The utility model relates to the technical field of manhole covers, and discloses a connection structure of a manhole cover plate, including a manhole main body, a mounting frame 1 and a manhole cover, wherein a mounting frame 1 is arranged on the top of the manhole main body, a groove 1 and a groove 2 are provided on the top of the mounting frame 1, a mounting frame 2 is arranged inside the groove 1, a groove 3 is provided on the top of the mounting frame 2, and a manhole cover is fixedly installed inside the groove 3. In the connection structure of the manhole cover plate, on rainy days, the combination of baffle plate 2 and guide block plays a role of drainage and filtering, blocking larger objects at the top of groove 2, preventing larger objects in rainwater from entering the manhole main body and causing blockage of the manhole main body, and smaller objects in rainwater fall to the top of the filter screen through baffle plate 2, and the filter screen plays a role of filtering and drainage, preventing smaller objects in rainwater from accumulating in the manhole main body and causing blockage of the manhole main body.

Description

Technical Field

[0001] The utility model relates to the technical field of manhole covers, in particular to a connection structure of a manhole cover plate. Background Art

[0002] Inspection wells are set up for the maintenance of infrastructure such as power supply, water supply, drainage, sewage, communications, cable TV, gas pipes, and street lamp lines. They are easy to install and are widely used in hydropower projects and municipal engineering. Inspection well covers are used to cover roads to prevent people or objects from falling. They can be divided into metal well covers, high-strength fiber cement concrete well covers, resin well covers, etc. according to the material.

[0003] China Utility Model Patent Publication No.: CN 212001277 U, discloses: a manhole cover, the manhole cover, because the drainage channel is arranged along the length direction of the drainage ditch, the water on the surface can be effectively drained into the drainage ditch through the drainage channel, the drainage capacity is strong, the paving groove can be laid with road paving building materials consistent with the surrounding roads, so that the baffle plate and the support plate are buried under the road and only the drainage channel is exposed, which can improve the road. The manhole cover is not provided with a filtering mechanism. On rainy days, a large amount of debris flows into the drainage channel, causing the drainage channel to be blocked, and the practicality is poor. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a connection structure of a manhole cover plate, which can effectively solve the problems of the manhole cover having no drainage and filtering mechanism in the prior art.

[0005] The technical scheme adopted by the utility model is: a connection structure of an inspection well cover plate, comprising an installation frame 1, an inspection well cover and an inspection well main body fixedly installed with the installation frame 1, the top of the inspection well main body is fixedly installed with an installation frame 1, the top of the installation frame 1 is provided with a groove 1 and a groove 2, the groove 1 is provided with an installation frame 2 inside, the top of the installation frame 2 is provided with a groove 3, the inspection well cover is fixedly installed inside the groove 3, the top of the inspection well cover is fixedly installed with a lifting ring, the inside of the installation frame 1 is fixedly installed with a baffle plate 1, the tops of the installation frame 1 and the baffle plate 1 are both provided with guide grooves, the bottom of the guide groove is provided with a threaded hole, the groove 2 is provided with a baffle plate 2, the outer side of the baffle plate 2 is fixedly installed with a guide block, the top of the guide block is threadedly connected with a bolt, the left and right sides of the installation frame 1 are fixedly installed with installation plates, the bottom of the installation plate is threadedly connected with an embedded hook, a connecting rod is fixedly installed between the installation frame 1 and the baffle plate 1, the top of the connecting rod is fixedly installed with a filter screen, and the bottom of the installation frame 1 is fixedly installed with a limit plate.

[0006] Preferably, the installation frame 1 and the center line of the inspection manhole body are located on the same vertical line, the groove 1 is adapted to the installation frame 2, the installation frame 2 is adapted to the inspection manhole cover, the inspection manhole cover is made of marble, and two lifting rings of the same specification are provided, and the two lifting rings are symmetrically distributed diagonally about the center line of the inspection manhole cover.

[0007] Through the above technical solution, the installation frame 2 and the inspection well cover are pulled out through the lifting ring to enter the interior of the inspection well body and inspect the inspection well body, which facilitates the inspection of the inspection well body and has a long service life.

[0008] Preferably, two limit plates of the same specification are provided, and the two limit plates are symmetrically distributed about the center line of the inspection manhole cover.

[0009] Through the above technical solution and the design of the limit plate, the limit plate plays a role in limiting and supporting the installation frame 2 and the inspection well cover.

[0010] Preferably, two baffle plates of the same specification are arranged in parallel, the number of the guide blocks is twice that of the baffle plate 2, the guide blocks penetrate the baffle plate 2, and the guide blocks are evenly distributed on the baffle plate 2.

[0011] Through the above technical solution, the combination of baffle 2 and guide block plays a role in drainage and filtering, blocking larger objects in the rainwater at the top of groove 2, preventing larger objects in the rainwater from entering the main body of the inspection well and causing blockage of the main body of the inspection well.

[0012] Preferably, the baffle 2 is installed with the mounting frame 1 by plugging and mounting through a guide block and a guide groove, the baffle 2 is installed with the baffle 1 by plugging and mounting through a guide block and a guide groove, a plurality of bolts of the same specification are provided, and the bolts penetrate the guide block and extend into the threaded hole.

[0013] Through the above technical solution, the bolt can be unscrewed from the threaded hole, and the baffle plate 2 and the guide block can be taken out from the groove 2, which is convenient for the future maintenance of the baffle plate 2 and the guide block. The bolt fixes the baffle plate 2 to prevent the baffle plate 2 from shaking and causing danger to pedestrians when passing by.

[0014] Preferably, a plurality of connecting rods of the same specification are provided, and the plurality of connecting rods are evenly distributed inside the second groove, and the center line of the filter screen and the second groove is located on the same vertical line.

[0015] Through the above technical solution, smaller objects in the rainwater fall through baffle 2 to the top of the filter screen, and the filter screen plays a role in drainage and filtering, preventing smaller objects in the rainwater from accumulating in the main body of the inspection well and causing blockage of the main body of the inspection well.

[0016] Preferably, the embedded hooks are provided in a plurality, and the plurality of embedded hooks are symmetrically distributed about a center line of the mounting frame 1, and an angle between the embedded hooks and the mounting plate is 45°.

[0017] Through the above technical scheme, when the pouring of concrete is completed, the embedded hook plays a supporting and fixing role for the installation frame. When recycling, the nut on the top of the embedded hook can be unscrewed and the installation frame can be picked up, so that the installation frame can be reused many times, which greatly saves materials, reduces costs and improves economic benefits.

[0018] Compared with the prior art, the utility model provides a connection structure of a manhole cover plate, which has the following beneficial effects:

[0019] 1. The connection structure of the inspection well cover, the combination of baffle plate 2 and the guide block plays a role in drainage and filtering, blocking larger objects at the top of groove 2, preventing larger objects in the rainwater from entering the inspection well body and causing blockage of the inspection well body. Smaller objects in the rainwater fall through baffle plate 2 to the top of the filter screen, and the filter screen plays a role in drainage and filtering, preventing smaller objects in the rainwater from accumulating in the inspection well body and causing blockage of the inspection well body.

[0020] 2. The connection structure of the inspection manhole cover is that the bolts can be unscrewed from the threaded holes, and the baffle plate 2 and the guide block can be taken out from the groove 2, which is convenient for the future maintenance of the baffle plate 2 and the guide block. The bolts fix the baffle plate 2 to prevent the baffle plate 2 from shaking and causing danger to pedestrians when passing by. The inspection manhole cover is made of marble and has a long service life. Through the design of the limit plate, the limit plate plays a role in limiting and supporting the installation frame 2 and the inspection manhole cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the installation structure of the filter screen of the utility model;

[0023] Figure 3 This is a schematic diagram of the installation structure of the baffle plate 2 and the guide block of the utility model;

[0024] Figure 4 The utility model is a schematic diagram of the installation structure of the inspection well cover Figure 1 ;

[0025] Figure 5 The utility model is a schematic diagram of the installation structure of the inspection well cover Figure 2 ;

[0026] Figure 6 This is a schematic diagram of the installation structure of the embedded hook of the utility model;

[0027] Figure 7It is a schematic diagram of the semi-section structure of the utility model.

[0028] Among them: 1. Inspection well body; 2. Installation frame 1; 3. Groove 1; 4. Groove 2; 5. Installation frame 2; 6. Groove 3; 7. Inspection well cover; 8. Lifting ring; 9. Baffle 1; 10. Guide groove; 11. Threaded hole; 12. Baffle 2; 13. Guide block; 14. Bolt; 15. Installation plate; 16. Embedded hook; 17. Connecting rod; 18. Filter; 19. Limit plate. DETAILED DESCRIPTION

[0029] 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.

[0030] Embodiment 1: Figure 1-7 As shown, the utility model provides a connection structure of a manhole cover plate, including a mounting frame 2, a manhole cover 7 and a manhole body 1 fixedly mounted with the mounting frame 2, the top of the manhole body 1 is fixedly mounted with a mounting frame 2, the top of the mounting frame 2 is provided with a groove 3 and a groove 4, the groove 3 is provided with a mounting frame 2 5, the top of the mounting frame 2 5 is provided with a groove 3 6, the inside of the groove 3 6 is fixedly mounted with a manhole cover 7, the top of the manhole cover 7 is fixedly mounted with a lifting ring 8, the inside of the mounting frame 2 is fixedly mounted with a baffle 9, the mounting frame A guide groove 10 is provided at the top of the mounting frame 2 and the baffle 9, a threaded hole 11 is provided at the bottom of the guide groove 10, a baffle 12 is provided inside the groove 4, a guide block 13 is fixedly installed on the outside of the baffle 12, a bolt 14 is threadedly connected to the top of the guide block 13, mounting plates 15 are fixedly installed on the left and right sides of the mounting frame 2, and a pre-embedded hook 16 is threadedly connected to the bottom of the mounting plate 15, a connecting rod 17 is fixedly installed between the mounting frame 2 and the baffle 9, a filter screen 18 is fixedly installed on the top of the connecting rod 17, and a limit plate 19 is fixedly installed on the bottom of the mounting frame 2.

[0031] Specifically, the center lines of the installation frame 1 2 and the inspection well body 1 are located on the same vertical line, the groove 1 3 is matched with the installation frame 2 5, the installation frame 2 5 is matched with the inspection well cover 7, the inspection well cover 7 is made of marble, and two lifting rings 8 of the same specification are provided, and the two lifting rings 8 are symmetrically distributed at opposite corners about the center line of the inspection well cover 7. The advantage is that the installation frame 2 5 and the inspection well cover 7 can be pulled out through the lifting ring 8 to enter the interior of the inspection well body 1, and the inspection well body 1 can be inspected, which is convenient for the inspection of the inspection well body 1 and has a long service life.

[0032] Specifically, two limit plates 19 of the same specification are provided, and the two limit plates 19 are symmetrically distributed about the center line of the inspection well cover 7. The advantage is that through the design of the limit plate 19, the limit plate 19 plays a role of limiting and supporting the installation frame 2 5 and the inspection well cover 7.

[0033] Specifically, two baffle plates 12 of the same specification are arranged in parallel, the number of guide blocks 13 is twice that of baffle plates 12, the guide blocks 13 penetrate baffle plates 12, and the guide blocks 13 are evenly distributed on baffle plates 12. The advantage is that the combination of baffle plates 12 and guide blocks 13 plays a role in drainage and filtration, blocking larger objects at the top of groove 2 4, and preventing larger objects in rainwater from entering the inspection well body 1, causing the inspection well body 1 to be blocked.

[0034] Embodiment 2: Figure 2-7 As shown, as an improvement to the previous embodiment.

[0035] Specifically, the baffle plate 12 and the mounting frame 12 are plugged and installed through the guide block 13 and the guide groove 10, and the baffle plate 12 and the baffle plate 19 are plugged and installed through the guide block 13 and the guide groove 10. A plurality of bolts 14 of the same specification are provided, and the bolts 14 penetrate the guide block 13 and extend into the threaded hole 11. The advantage is that the baffle plate 12 and the guide block 13 can be taken out of the groove 24 by screwing the bolts 14 out of the threaded hole 11, which facilitates the maintenance of the baffle plate 12 and the guide block 13 in the future, and the bolts 14 play a fixing role on the baffle plate 12 to prevent the baffle plate 12 from shaking, which causes danger to pedestrians when they pass by.

[0036] Specifically, a plurality of connecting rods 17 of the same specification are provided, and the plurality of connecting rods 17 are evenly distributed inside the second groove 4, and the filter screen 18 is located on the same vertical line as the center line of the second groove 4. The advantage is that smaller objects fall onto the top of the filter screen 18 through the second baffle 12, and the filter screen 18 plays a role in drainage and filtration, thereby preventing smaller objects in rainwater from accumulating in the main body 1 of the inspection well, causing the main body 1 of the inspection well to be blocked.

[0037] Specifically, the embedded hooks 16 are provided in the same number, and the embedded hooks 16 are symmetrically distributed about the center line of the installation frame 2, and the angle between the embedded hooks 16 and the installation plate 15 is 45 degrees. The advantage is that after the concrete pouring is completed, the embedded hooks 16 play a role in supporting and fixing the installation frame 2. When recycling, the nuts on the top of the embedded hooks 16 can be screwed out, and the installation frame 2 can be picked up, so that the installation frame 2 can be used multiple times, which greatly saves materials, reduces costs, and improves economic benefits.

[0038] Working principle: During installation, the staff casts the embedded hook 16 with concrete and fixes the installation frame 12 to facilitate subsequent installation. On rainy days, rainwater enters the groove 24, and the combination of the baffle 212 and the guide block 13 plays a role in drainage and filtration, blocking larger objects in the rainwater at the top of the groove 24, preventing larger objects from entering the inspection well body 1 and causing the inspection well body 1 to be blocked. Smaller objects in the rainwater fall through the baffle 212 to the top of the filter 18, and the filter 18 plays a role in drainage and filtration, avoiding larger objects. Small objects accumulate among smaller objects, causing the inspection well body 1 to be blocked. After filtering, rainwater will enter the inspection well body 1. When the staff is working, they can regularly unscrew the bolts 14 from the threaded holes 11, take out the baffle 2 12 and the guide block 13 from the groove 2 4, and clean up the debris above the filter 18. When the inspection well body 1 needs to be inspected, the staff can pull out the installation frame 2 5 and the inspection well cover 7 through the lifting ring 8, enter the interior of the inspection well body 1, and inspect the inspection well body 1, which speeds up the work efficiency of the staff.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A connection structure of a manhole cover, comprising a mounting frame (2), a manhole cover (7) and a manhole body (1) fixedly mounted to the mounting frame (2), characterized in that: A mounting frame 1 (2) is fixedly installed on the top of the inspection well body (1), a groove 1 (3) and a groove 2 (4) are provided on the top of the mounting frame 1 (2), a mounting frame 2 (5) is arranged inside the groove 1 (3), a groove 3 (6) is provided on the top of the mounting frame 2 (5), an inspection well cover (7) is fixedly installed inside the groove 3 (6), a lifting ring (8) is fixedly installed on the top of the inspection well cover (7), a baffle plate 1 (9) is fixedly installed inside the mounting frame 1 (2), a guide groove (10) is provided on the top of the mounting frame 1 (2) and the baffle plate 1 (9), and the guide groove (10) is fixedly installed on the top of the mounting frame 1 (2) and the baffle plate 1 (9). A threaded hole (11) is provided at the bottom, a baffle plate (12) is arranged inside the groove (4), a guide block (13) is fixedly installed on the outer side of the baffle plate (12), a bolt (14) is threadedly connected to the top of the guide block (13), mounting plates (15) are fixedly installed on both left and right sides of the mounting frame (2), a pre-buried hook (16) is threadedly connected to the bottom of the mounting plate (15), a connecting rod (17) is fixedly installed between the mounting frame (2) and the baffle plate (9), a filter screen (18) is fixedly installed on the top of the connecting rod (17), and a limit plate (19) is fixedly installed on the bottom of the mounting frame (2).

2. The connection structure of a manhole cover according to claim 1, characterized in that: The installation frame 1 (2) and the center line of the inspection well body (1) are located on the same vertical line, the groove 1 (3) is compatible with the installation frame 2 (5), the installation frame 2 (5) is compatible with the inspection well cover (7), the inspection well cover (7) is made of marble, and the lifting ring (8) is provided with two of the same specifications, and the two lifting rings (8) are symmetrically distributed at diagonals about the center line of the inspection well cover (7).

3. The connection structure of a manhole cover according to claim 1, characterized in that: Two limit plates (19) of the same specification are provided, and the two limit plates (19) are symmetrically distributed about the center line of the inspection well cover (7).

4. The connection structure of a manhole cover according to claim 1, characterized in that: The second baffle plate (12) is provided with two baffle plates of the same specification in parallel, the number of the guide blocks (13) is twice the number of the second baffle plate (12), the guide blocks (13) penetrate the second baffle plate (12), and the guide blocks (13) are evenly distributed on the second baffle plate (12).

5. The connection structure of a manhole cover according to claim 1, characterized in that: The second baffle plate (12) is plugged and installed with the first mounting frame (2) through the guide block (13) and the guide groove (10), and the second baffle plate (12) is plugged and installed with the first baffle plate (9) through the guide block (13) and the guide groove (10). A plurality of bolts (14) of the same specification are provided, and the bolts (14) penetrate the guide block (13) and extend into the threaded hole (11).

6. The connection structure of a manhole cover according to claim 1, characterized in that: The connecting rods (17) are provided in plurality with the same specifications, and the plurality of connecting rods (17) are evenly distributed inside the second groove (4), and the filter screen (18) and the center line of the second groove (4) are located on the same vertical line.

7. The connection structure of a manhole cover according to claim 1, characterized in that: The embedded hooks (16) are provided in a plurality, and the plurality of embedded hooks (16) are symmetrically distributed about the center line of the installation frame (2), and the angle between the embedded hooks (16) and the installation plate (15) is 45 degrees.

Images