Anti-displacement and anti-bouncing well lid grid

Abstract

The utility model discloses a kind of anti-displacement anti-bouncing well lid grating, including support ring, and assembly frame integrally formed in the surface of the support ring, the surface of the assembly frame is equipped with step groove, the bottom position of the support ring is symmetrically welded with side plate, the end surface position of the side plate is fixedly connected with support plate. Grid plate is inserted in the inside of step groove, the thread groove of support plate and the countersunk hole of grid plate are corresponding, then using lengthening bolt is penetrated countersunk hole, the penetration end of lengthening bolt is helically inserted in the inside of thread groove, then single locking piece can complete the installation and fixing of grid plate, assembly process is simple, use effect is good, and directly to the middle part of grid plate is pressed and fixed, displacement and bouncing phenomenon are not prone to appear, improve the security of use;The countersunk hole opening position of grid plate is inserted with sealing cover, after lengthening bolt installation is completed, sealing cover is inserted in the countersunk hole opening position, has very good anticorrosive protection effect.

Description

Technical Field

[0001] This utility model belongs to the field of manhole cover grid technology, specifically relating to a manhole cover grid that prevents displacement and jumping. Background Technology

[0002] Manhole covers and grates are an indispensable component of urban infrastructure. They are widely used in the inspection wells of various underground pipelines such as drainage systems, cable channels, and gas pipelines. Their main function is to provide access for personnel and equipment while ensuring the safety of pedestrians and vehicles and preventing foreign objects from falling into the well.

[0003] Currently, manhole cover gratings consist of two parts: a metal frame and grating panels. During installation, the grating panels are fixed using multiple locking devices, which is cumbersome and inconvenient for inspection and maintenance. Therefore, it is necessary to design a manhole cover grating that prevents displacement and jumping to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a manhole cover grid that prevents displacement and jumping, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a manhole cover grid for preventing displacement and jumping, comprising a support ring and an assembly frame integrally formed on the surface of the support ring, wherein the surface of the assembly frame is provided with a stepped groove, side plates are symmetrically welded to the bottom position of the support ring, a support plate is fixedly connected to the end face of the side plate, and a threaded groove is provided in the middle position of the surface of the support plate.

[0006] A grid plate is inserted into the opening of the assembly frame, and a countersunk screw hole is provided in the middle of the surface of the grid plate.

[0007] Preferably, the support ring has through holes equidistantly spaced on its surface circumference, and a reinforcing plate is equidistantly installed on the support ring's surface circumference, with the reinforcing plate and the assembly frame being fixedly connected.

[0008] Preferably, the surface of the support plate is symmetrically welded with reinforcing seats, and the reinforcing seats are fixedly connected to the side plates.

[0009] Preferably, the grating plate is inserted into the interior of the stepped groove, and the threaded groove of the support plate corresponds to the countersunk screw hole of the grating plate.

[0010] Preferably, a sealing cap is inserted into the countersunk screw hole opening of the grating plate, and a warning sticker is provided on the surface of the sealing cap.

[0011] Preferably, positioning posts are symmetrically installed on the inner surface of the grating plate, and positioning rings are fixedly connected to the surface of the support plate, with the positioning posts and positioning rings being inserted into each other.

[0012] Preferably, the surface of the grating plate is provided with traction holes.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. The grating plate is inserted into the stepped groove. The threaded groove of the support plate corresponds to the countersunk screw hole of the grating plate. Then, an extension bolt is used to pass through the countersunk screw hole. The through end of the extension bolt is screwed into the threaded groove. A single locking component can complete the installation and fixation of the grating plate. The assembly process is simple, the effect is good, and it directly presses and fixes the middle of the grating plate, which is not easy to cause displacement or jumping, thus improving the safety of use. A sealing cap is inserted into the opening of the countersunk screw hole of the grating plate. After the extension bolt is installed, the sealing cap is inserted into the opening of the countersunk screw hole, which has a good anti-corrosion protection effect.

[0015] 2. Both the positioning posts and positioning rings are made of metal. When installing the grating, the positioning posts and positioning rings are inserted into each other, which has a good auxiliary positioning effect. The surface of the grating has traction holes, and traction components can be inserted into the traction holes to assist in the disassembly of the grating. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the support plate and side plate structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the support ring and assembly frame structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the grating structure of this utility model.

[0020] In the figure: 1. Support ring; 2. Assembly frame; 201. Step groove; 3. Support plate; 4. Grating plate; 5. Countersunk screw hole; 6. Sealing cover; 7. Traction hole; 8. Positioning ring; 9. Threaded groove; 10. Side plate; 11. Reinforcing base; 12. Reinforcing plate; 13. Through hole; 14. Positioning post. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1: Please refer to Figures 1 to 4 This utility model provides a technical solution for a manhole cover grating that prevents displacement and jumping: it includes a support ring 1 and an assembly frame 2 integrally formed on the surface of the support ring 1. The support ring 1 and the assembly frame 2 constitute the support part of the manhole cover. A stepped groove 201 is provided on the surface of the assembly frame 2. The stepped groove 201 is used for the insertion and positioning of the grating plate 4. Side plates 10 are symmetrically welded to the bottom position of the support ring 1. A support plate 3 is fixedly connected to the end face of the side plates 10. Both the side plates 10 and the support plate 3 are made of metal and play a supporting role. A threaded groove 9 is provided in the middle position of the surface of the support plate 3. The threaded groove 9 is used for the positioning of the extended bolts inserted into the surface of the grating plate 4.

[0023] A grid plate 4 is inserted into the opening of the assembly frame 2. A countersunk screw hole 5 is provided in the middle of the surface of the grid plate 4. When the extension bolt is inserted, the end of the countersunk screw hole 5 is flush with the surface of the grid plate 4.

[0024] The support ring 1 has through holes 13 equidistantly spaced on its surface. These through holes 13 facilitate the insertion and locking of locking components during installation. Reinforcing plates 12 are equidistantly installed on the surface of the support ring 1 and are fixedly connected to the assembly frame 2. The reinforcing plates 12 reinforce the connection between the support ring 1 and the support plate 3. Reinforcing seats 11 are symmetrically welded to the surface of the support plate 3 and are fixedly connected to the side plate 10. The reinforcing seats 11 improve structural strength. The grating plate 4 is inserted into the stepped groove 201. The threaded groove 9 of the support plate 3 corresponds to the countersunk screw hole 5 of the grating plate 4. A sealing cap 6 is inserted into the opening of the countersunk screw hole 5 of the grating plate 4. The surface is covered with warning stickers. The grating plate 4 is inserted into the stepped groove 201. The threaded groove 9 of the support plate 3 corresponds to the countersunk screw hole 5 of the grating plate 4. Then, an extension bolt is used to pass through the countersunk screw hole 5. The through end of the extension bolt is screwed into the threaded groove 9. Thus, a single locking part can complete the installation and fixation of the grating plate 4. The assembly process is simple, the use effect is good, and it directly presses and fixes the middle of the grating plate 4, which is not easy to cause displacement or jumping, thus improving the safety of use. A sealing cap 6 is inserted into the opening of the countersunk screw hole 5 of the grating plate 4. After the extension bolt is installed, the sealing cap 6 is inserted into the opening of the countersunk screw hole 5, which has a good anti-corrosion protection effect.

[0025] As can be seen from the above description, this utility model has the following beneficial effects: The grating plate 4 is inserted into the inside of the stepped groove 201, the threaded groove 9 of the support plate 3 corresponds to the countersunk screw hole 5 of the grating plate 4, and then an extension bolt is used to pass through the countersunk screw hole 5. The through end of the extension bolt is spirally inserted into the inside of the threaded groove 9, so a single locking part can complete the installation and fixing of the grating plate 4. The assembly process is simple, the use effect is good, and it directly presses and fixes the middle part of the grating plate 4, which is not easy to cause displacement and jumping, thus improving the safety of use; a sealing cap 6 is inserted into the opening position of the countersunk screw hole 5 of the grating plate 4. After the extension bolt is installed, the sealing cap 6 is inserted into the opening position of the countersunk screw hole 5, which has a good anti-corrosion protection effect.

[0026] Example 2: Please refer to Figures 1 to 4 As shown, based on Embodiment 1, this utility model provides a technical solution for a manhole cover grating that prevents displacement and jumping: Positioning posts 14 are symmetrically installed on the inner surface of the grating plate 4, and positioning rings 8 are fixedly connected to the surface of the support plate 3. The positioning posts 14 and positioning rings 8 are inserted into each other. Traction holes 7 are opened on the surface of the grating plate 4. Both the positioning posts 14 and positioning rings 8 are made of metal. When installing the grating plate 4, the positioning posts 14 and positioning rings 8 are inserted into each other, providing a good auxiliary positioning effect. Traction holes 7 are opened on the surface of the grating plate 4, and traction components can be inserted into the traction holes 7 to assist in the disassembly of the grating plate 4.

[0027] Using the above technical solution, both the positioning column 14 and the positioning ring 8 are made of metal. When installing the grating plate 4, the positioning column 14 and the positioning ring 8 are inserted into each other, which has a good auxiliary positioning effect. The surface of the grating plate 4 is provided with a traction hole 7, and a traction component can be inserted into the traction hole 7 to assist in the disassembly of the grating plate 4.

[0028] The working principle and usage process of this utility model are as follows: The grating plate 4 is inserted into the stepped groove 201. The threaded groove 9 of the support plate 3 corresponds to the countersunk screw hole 5 of the grating plate 4. Then, an extension bolt is used to pass through the countersunk screw hole 5. The through end of the extension bolt is spirally inserted into the threaded groove 9. Thus, a single locking component can complete the installation and fixation of the grating plate 4. The assembly process is simple, the usage effect is good, and it directly presses and fixes the middle part of the grating plate 4, making it less prone to displacement and jumping, thus improving the safety of use. A sealing cap 6 is inserted into the opening of the countersunk screw hole 5 of the grating plate 4. After the extension bolt is installed, the sealing cap 6 is inserted into the opening of the countersunk screw hole 5, which has a good anti-corrosion protection effect. The positioning post 14 and the positioning ring 8 are both made of metal. When installing the grating plate 4, the positioning post 14 and the positioning ring 8 are inserted and correspond to each other, which has a good auxiliary positioning effect. The surface of the grating plate 4 is provided with a traction hole 7. A traction component can be inserted into the traction hole 7 to assist in the disassembly of the grating plate 4.

[0029] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0030] The above description is only used to illustrate the technical solution of this utility model and is not intended to limit it. Any other modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model, as long as they do not depart from the spirit and scope of the technical solution of this utility model, should be covered within the scope of the claims of this utility model.

Claims

1. A manhole cover grating for preventing displacement and jumping, comprising a support ring (1) and an assembly frame (2) integrally formed on the surface of the support ring (1), characterized in that: The surface of the assembly frame (2) is provided with a stepped groove (201), and the bottom position of the support ring (1) is symmetrically welded with a side plate (10). The end face of the side plate (10) is fixedly connected with a support plate (3), and the middle position of the surface of the support plate (3) is provided with a threaded groove (9). A grid plate (4) is inserted into the opening of the assembly frame (2), and a countersunk screw hole (5) is provided in the middle of the surface of the grid plate (4).

2. The anti-displacement and anti-jumping manhole cover grid according to claim 1, characterized in that: The support ring (1) has through holes (13) equidistantly spaced on its surface circumference, and a reinforcing plate (12) is equidistantly installed on its surface circumference. The reinforcing plate (12) and the assembly frame (2) are fixedly connected.

3. The anti-displacement and anti-jumping manhole cover grid according to claim 1, characterized in that: The surface of the support plate (3) is symmetrically welded with a reinforcing seat (11), and the reinforcing seat (11) and the side plate (10) are fixedly connected.

4. A manhole cover grid for preventing displacement and jumping according to claim 1, characterized in that: The grating plate (4) is inserted into the inside of the stepped groove (201), and the threaded groove (9) of the support plate (3) corresponds to the countersunk screw hole (5) of the grating plate (4).

5. A manhole cover grid for preventing displacement and jumping according to claim 1, characterized in that: A sealing cap (6) is inserted into the countersunk screw hole (5) opening of the grating plate (4), and a warning sticker is provided on the surface of the sealing cap (6).

6. A manhole cover grid for preventing displacement and jumping according to claim 1, characterized in that: The inner surface of the grating plate (4) is symmetrically equipped with positioning posts (14), and the surface of the support plate (3) is fixedly connected with a positioning ring (8). The positioning posts (14) and the positioning ring (8) are inserted into each other.

7. A manhole cover grid for preventing displacement and jumping according to claim 1, characterized in that: The surface of the grating plate (4) is provided with traction holes (7).

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