Continuous fiber reinforced thermoplastic composite manhole cover

By using continuous fiber-reinforced thermoplastic composite material and rotating gear system on the manhole cover, the problem of easy stolen and flipped manhole cover is solved, the anti-theft and anti-flip effect of the manhole cover is achieved, and the anti-slip performance of the manhole cover is improved.

CN222923793UActive Publication Date: 2025-05-30伍立军
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421479621.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-05-30
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

Existing manhole covers are easily stolen during use, and frequent passage of heavy vehicles leads to an increase in pressure on the manhole cover, which is easy to flip, threatening the safety of life and property.

Method used

Manhole covers are manufactured using continuous fiber reinforced thermoplastic composite materials, and the manhole cover body and manhole cover seat are fixed by rotating gear systems and limit cap mechanisms to prevent flip and theft. At the same time, the bumps on the surface of the manhole cover are added to improve anti-slip performance.

Benefits of technology

Effectively prevent the manhole cover from being stolen, avoid the manhole cover from flipping under external force, ensure road safety, and reduce the risk of pedestrians slipping in rainy days.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222923793U_ABST
    Figure CN222923793U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of well lids, and discloses a continuous fiber reinforced thermoplastic composite material well lid which comprises a well lid body, a mounting plate is fixedly connected in the inner wall of the well lid body, sliding grooves are annularly formed in the side wall of the mounting plate at equal intervals, and movable plates are slidably connected in the inner walls of the sliding grooves. A fixed rod is fixedly connected to the upper surface of the movable plate, a limiting cap is fixedly connected to the upper end face of the fixed rod, a clamping block is fixedly connected to the outer end of the movable plate, and by rotating a rotating shaft, the rotating shaft drives a driving gear to rotate, the driving gear drives a driven gear to rotate, and the driven gear drives the limiting cap to move; the well lid body and the well lid base are fixed, so that the anti-theft function is achieved, the well lid is effectively prevented from being stolen, the well lid is prevented from being turned over under the action of external force, and life health and property safety of people on a road are guaranteed.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of manhole covers, in particular to a continuous fiber reinforced thermoplastic composite manhole cover. Background Art

[0002] A manhole cover is used to cover a road or a deep well at home to prevent people or objects from falling. It can be divided into metal manhole covers, high-strength fiber cement concrete manhole covers, resin manhole covers, etc. Generally, it is circular and can be used in green belts, sidewalks, motor vehicle lanes, docks, alleys, etc.

[0003] In the prior art, during the use of manhole covers, due to the fact that most manhole cover materials are metal, the theft phenomenon is relatively serious. Moreover, the traffic volume in many areas is increasing continuously, and heavy vehicles pass frequently. The pressure on the manhole covers is also increasing continuously, resulting in the occurrence of flipping, which easily threatens people's lives and property. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a continuous fiber reinforced thermoplastic composite manhole cover, which has the advantage of anti-theft and solves the problems in the above background art.

[0005] The utility model provides the following technical scheme: A continuous fiber reinforced thermoplastic composite manhole cover, including a manhole cover body. An installation plate is fixedly connected in the inner wall of the manhole cover body. Sliding grooves are annularly and equidistantly formed in the side wall of the installation plate. A movable plate is slidably connected in the inner wall of the sliding groove. A fixing rod is fixedly connected to the upper surface of the movable plate. A limiting cap is fixedly connected to the upper end surface of the fixing rod. A clamping block is fixedly connected to the outer end of the movable plate. An installation rod is fixedly connected to the center of the installation plate. A driven gear is rotatably sleeved on the installation rod. Arc-shaped grooves are annularly and equidistantly formed at the center of the driven gear. The driven gear is meshed with a driving gear. A rotating shaft is fixedly inserted through the center of the driving gear.

[0006] Preferably, the fixing rod slides in the inner wall of the arc-shaped groove. The limiting cap is located above the driven gear. The upper end of the rotating shaft penetrates through the side walls of the installation plate and the manhole cover body and is provided with a special-shaped hole.

[0007] Preferably, sliding grooves are annularly and equidistantly formed on the side wall of the manhole cover body. Convex blocks are symmetrically arranged equidistantly on the upper surface of the manhole cover body.

[0008] Preferably, a manhole cover seat is arranged at the lower end of the manhole cover body. A clamping groove is arranged in the inner wall of the manhole cover seat.

[0009] Preferably, the clamping block is slidably connected in the inner walls of the sliding groove and the clamping groove.

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

[0011] 1. By rotating the rotating shaft, the rotating shaft drives the driving gear to rotate, the driving gear drives the driven gear to rotate, the driven gear drives the limit cap to move, and the limit cap drives the movable plate to extend, so that the movable plate abuts against the inner wall of the clamping groove, thereby fixing the manhole cover body and the manhole cover seat. First, it plays an anti-theft role and effectively prevents the manhole cover from being stolen. Second, it prevents the manhole cover from flipping under external forces, ensuring the life, health and property safety of people on the road.

[0012] 2. By providing convex blocks, the friction on the upper surface of the manhole cover body is increased, the anti-slip performance of the manhole cover body surface is improved, the risk of pedestrians slipping on rainy days is reduced, and the safety of pedestrians is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 is a sectional three-dimensional structural schematic diagram of the utility model;

[0015] Figure 3 is a three-dimensional structural schematic diagram of the manhole cover body of the utility model;

[0016] Figure 4 is a three-dimensional structural schematic diagram of the manhole cover seat of the utility model.

[0017] In the figure: 1. Manhole cover body; 2. Manhole cover seat; 3. Mounting plate; 4. Mounting rod; 5. Rotating shaft; 6. Movable plate; 7. Block; 8. Fixed rod; 9. Limit cap; 10. Sliding groove; 11. Driven gear; 12. Driving gear; 13. Clamping groove; 14. Convex block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] Please refer to Figures 1 - 4, A continuous fiber reinforced thermoplastic composite manhole cover, including a manhole cover body 1. An installation plate 3 is fixedly connected in the inner wall of the manhole cover body 1. Sliding grooves 10 are annularly and equidistantly opened on the side wall of the installation plate 3. A movable plate 6 is slidably connected in the inner wall of the sliding groove 10. A fixed rod 8 is fixedly connected to the upper surface of the movable plate 6. A limit cap 9 is fixedly connected to the upper end surface of the fixed rod 8. A clamping block 7 is fixedly connected to the outer end of the movable plate 6. An installation rod 4 is fixedly connected to the center of the installation plate 3. A driven gear 11 is rotatably sleeved on the installation rod 4. Arc-shaped grooves are annularly and equidistantly opened at the center of the driven gear 11. The driven gear 11 is meshed with a driving gear 12. A rotating shaft 5 is fixedly inserted through the center of the driving gear 12. Rotating the rotating shaft 5, the rotating shaft 5 drives the driving gear 12 to rotate, the driving gear 12 drives the driven gear 11 to rotate, the driven gear 11 drives the limit cap 9 to move, and the limit cap 9 drives the movable plate 6 to extend, so that the movable plate 6 abuts against the inner wall of the clamping groove 13, thereby fixing the manhole cover body 1 and the manhole cover seat 2. First, it plays an anti-theft role and effectively avoids the theft of the manhole cover. Second, it avoids the manhole cover from flipping under external force, ensuring the life, health and property safety of people on the road;

[0020] The fixed rod 8 slides in the inner wall of the arc-shaped groove. The limit cap 9 is located above the driven gear 11. The upper end of the rotating shaft 5 penetrates through the side walls of the installation plate 3 and the manhole cover body 1 and is provided with a special-shaped hole. There is an adapter rod head corresponding to the special-shaped hole. Only by rotating the rotating shaft 5 through the adapter rod head can the manhole cover body 1 move, effectively avoiding the loss of the manhole cover body 1 and protecting property;

[0021] Sliding grooves are annularly and equidistantly opened on the side wall of the manhole cover body 1. Protrusions 14 are symmetrically arranged at equal intervals on the upper surface of the manhole cover body 1. By providing the protrusions 14, the friction on the upper surface of the manhole cover body 1 is increased, the anti-slip performance of the surface of the manhole cover is improved, the risk of pedestrians slipping on rainy days is reduced, and the safety of pedestrians is improved;

[0022] The lower end of the manhole cover body 1 is provided with a manhole cover seat 2. A clamping groove 13 is arranged in the inner wall of the manhole cover seat 2. The limit cap 9 drives the movable plate 6 to extend, so that the movable plate 6 abuts against the inner wall of the clamping groove 13;

[0023] The clamping block 7 is slidably connected in the inner walls of the sliding groove and the clamping groove 13. The manhole cover body 1 and the manhole cover seat 2 are fixed by the clamping block 7 and the movable plate 6, and are limited.

[0024] Working principle: When the device works, rotate the rotating shaft 5. The rotating shaft 5 drives the driving gear 12 to rotate. The driving gear 12 drives the driven gear 11 to rotate. The driven gear 11 drives the limit cap 9 to move. The limit cap 9 drives the movable plate 6 to extend, so that the movable plate 6 abuts against the inner wall of the clamping groove 13, thereby fixing the manhole cover body 1 and the manhole cover seat 2;

[0025] By setting the bump 14, the friction force on the upper surface of the manhole cover body 1 is increased.

Claims

1. A continuous fiber reinforced thermoplastic composite manhole cover, comprising a manhole cover body (1), characterized in that: A mounting plate (3) is fixedly connected to the inner wall of the manhole cover body (1), and sliding grooves (10) are formed in an annular manner at equal intervals on the side wall of the mounting plate (3). A movable plate (6) is slidably connected to the inner wall of the sliding groove (10), and a fixing rod (8) is fixedly connected to the upper surface of the movable plate (6). A limiting cap (9) is fixedly connected to the upper end surface of the fixing rod (8), and a clamping block (7) is fixedly connected to the outer end of the movable plate (6). A mounting rod (4) is fixedly connected to the center of the mounting plate (3), and a driven gear (11) is rotatably sleeved on the mounting rod (4). The center of the driven gear (11) is formed with arc grooves formed in an annular manner at equal intervals. The driven gear (11) is meshedly connected to a driving gear (12), and a rotating shaft (5) is fixedly inserted through the center of the driving gear (12).

2. The continuous fiber reinforced thermoplastic composite manhole cover according to claim 1, characterized in that: The fixing rod (8) slides in the inner wall of the arc groove, the limiting cap (9) is located on the upper side of the driven gear (11), and the upper end of the rotating shaft (5) passes through the side wall of the mounting plate (3) and the manhole cover body (1) and is provided with a special-shaped hole.

3. The continuous fiber reinforced thermoplastic composite manhole cover according to claim 1, characterized in that: Sliding grooves are provided in an annular manner at equal intervals on the side wall of the manhole cover body (1), and protrusions (14) are symmetrically provided at equal intervals on the upper surface of the manhole cover body (1).

4. The continuous fiber reinforced thermoplastic composite manhole cover according to claim 1, characterized in that: A manhole cover seat (2) is provided at the lower end of the manhole cover body (1), and a clamping groove (13) is provided in the inner wall of the manhole cover seat (2).

5. The continuous fiber reinforced thermoplastic composite manhole cover according to claim 1, characterized in that: The clamping block (7) is slidably connected in the sliding groove and the inner wall of the clamping groove (13).