Water storage type fireproof breathable safety well lid

Abstract

The utility model discloses a water storage type fireproof breathable safety well lid, and relates to the technical field of safety well lids. According to the water storage type fireproof breathable safety well lid, the vent holes, the water storage box and the like are arranged, the water storage box is installed at the lower end of the well lid body and connected and fixed through the connecting plate, so that a certain gap is formed between the water storage box and the well lid body, ventilation is facilitated, the water storage box receives part of rainwater in daily life, and therefore when sparks fall into the vent holes, the water storage box is prevented from falling into the vent holes. When the well lid body is installed, the well lid body is located in the well lid groove, the limiting plate enters the lower portion of the clamping plate, the clamping plate enters the well lid body through the notch groove in the limiting plate, and therefore after the well lid body is rotated, the notch groove and the clamping plate are staggered; and the well lid body cannot be opened, so that a person who does not know the specific structure cannot open the well lid, and the safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of safety manhole covers, in particular to a water storage type fireproof and breathable safety manhole cover. Background Art

[0002] During the laying of natural gas, there must be an outlet to the ground at every section of the pipeline. The section from the pipeline to the ground is called a natural gas valve well. The mouth of the natural gas valve well is usually flush with the ground, so a cover is needed. The cover used to cover the natural gas valve well is called a manhole cover. The manhole cover is usually made of reinforced cement, metal, reinforced plastic and other materials, and is mainly round and square in shape.

[0003] Currently, natural gas valve well covers basically use air vents to reduce the safety hazard of natural gas leakage. However, most natural gas pipelines are laid through farmland and roadsides, where weeds and straw are often burned. This may cause sparks to fall into the air vents of the valve well covers, posing a certain safety hazard. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a water-storage fireproof and breathable safety manhole cover, which solves the problem that most natural gas pipelines are laid through farmland and roadsides, where weeds and straw are often burned, which may cause sparks to fall into the air holes of the manhole cover, posing certain safety hazards.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a water-storage fireproof and breathable safety manhole cover, comprising a manhole frame and a manhole cover body, a manhole cover groove is arranged at the upper end of the manhole frame, air holes are opened on the left and right sides of the surface of the manhole cover body, a water storage box is arranged at the lower end of the manhole cover body, a limiting plate is arranged on the side of the surface of the manhole cover body, and a clamping plate is arranged on the inner side of the manhole cover groove.

[0006] Preferably, the diameters of the manhole cover groove and the manhole cover body are adapted, and the inner diameter of the lower end of the manhole frame is smaller than the diameter of the manhole cover body.

[0007] Preferably, the diameter of the water storage box is greater than the distance between the two air holes, and the upper end of the water storage box is fixedly connected to the manhole cover body through a connecting plate, and the connecting plates are distributed in a ring array.

[0008] Preferably, notch grooves are provided on both left and right sides of the surface of the limiting plate, and a snap-fit ​​groove is provided on the side of the surface of the manhole cover body above the limiting plate.

[0009] Preferably, two snap-fit ​​plates are disposed in pairs on the left and right sides of the manhole cover groove.

[0010] Preferably, the engaging plate and the engaging groove are matched, and the length of the engaging plate is smaller than the length of the notch groove. Beneficial Effects

[0011] The utility model provides a water-storage fireproof and breathable safety manhole cover. Compared with the prior art, it has the following beneficial effects:

[0012] 1. The water-storage fireproof and breathable safety manhole cover is provided with air holes and a water storage box, etc., and the water storage box is installed at the lower end of the manhole cover body, and is connected and fixed by a connecting plate, so that there is a certain gap between the water storage box and the manhole cover body, which is convenient for ventilation. In daily life, the water storage box receives part of the rainwater, and then when sparks fall into the air holes, they fall into the water storage box, preventing the sparks from flowing into the well. At the same time, the water source in the water storage box can extinguish the fire, thereby improving safety.

[0013] 2. The water-storage fireproof and breathable safety manhole cover is provided with a manhole cover body, a limit plate and a locking plate. When the manhole cover body is installed, the manhole cover body is located in the manhole cover groove, so that the limit plate enters under the locking plate, and the locking plate enters through the notch groove on the limit plate. After the manhole cover body is rotated, the notch groove and the locking plate are misaligned, and the manhole cover body cannot be opened, so that people who do not understand the specific structure cannot open the manhole cover, thereby increasing safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the semi-sectioned three-dimensional structure of the utility model.

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the utility model.

[0016] Figure 3 It is a schematic diagram of the three-dimensional structure of the well frame of the utility model.

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the manhole cover body of the utility model.

[0018] Figure 5 It is a schematic diagram of the cross-sectional structure of the utility model.

[0019] In the figure: 1, well frame; 2, well cover body; 3, well cover groove; 4, air vent; 5, water storage box; 51, connecting plate; 6, limiting plate; 61, notch groove; 62, locking groove; 7, locking plate. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-5 The utility model provides a technical solution: a water storage type fireproof and breathable safety manhole cover, including a manhole frame 1 and a manhole cover body 2. The upper end of the manhole frame 1 is provided with a manhole cover groove 3. The diameter of the manhole cover groove 3 and the manhole cover body 2 are adapted. The inner diameter of the lower end of the manhole frame 1 is smaller than the diameter of the manhole cover body 2. Air holes 4 are opened on the left and right sides of the surface of the manhole cover body 2. A water storage box 5 is provided at the lower end of the manhole cover body 2. The diameter of the water storage box 5 is larger than the spacing between the two air holes 4. The upper end of the water storage box 5 is fixedly connected to the manhole cover body 2 through a connecting plate 51. The connecting plates 51 are distributed in an annular array. The water storage box 5 is installed at the lower end of the manhole cover body 2 and connected and fixed by the connecting plate 51, so that there is a certain gap between the water storage box 5 and the manhole cover body 2, which is convenient for ventilation. In daily life, the water storage box 5 receives part of the rainwater, and then when the sparks fall into the air holes 4, they fall into the water storage box 5 to prevent the sparks from flowing into the well. At the same time, the water source in the water storage box 5 can extinguish the fire, thereby improving safety.

[0022] A limiting plate 6 is provided on the side of the surface of the manhole cover body 2, and notch grooves 61 are provided on the left and right sides of the surface of the limiting plate 6. A locking groove 62 is provided on the side of the surface of the manhole cover body 2 above the limiting plate 6, and a locking plate 7 is provided on the inner side of the manhole cover groove 3. Two locking plates 7 are provided on the left and right sides of the manhole cover groove 3, and the locking plates 7 are adapted to the locking grooves 62. The length of the locking plates 7 is less than the length of the notch groove 61. When the manhole cover body 2 is installed, the manhole cover body 2 is located in the manhole cover groove 3, so that the limiting plate 6 enters under the locking plate 7, and the locking plate 7 enters through the notch groove 61 on the limiting plate 6. Therefore, after the manhole cover body 2 is rotated, the notch groove 61 and the locking plate 7 are misaligned, and the manhole cover body 2 cannot be opened, so that people who do not understand the specific structure cannot open the manhole cover, thereby increasing safety.

[0023] During operation, a water storage box 5 is installed at the lower end of the manhole cover body 2 and connected and fixed by a connecting plate 51, so that there is a certain gap between the water storage box 5 and the manhole cover body 2, which is convenient for ventilation. In daily life, the water storage box 5 receives part of the rainwater, and then when sparks fall into the air vent 4, they fall into the water storage box 5 to prevent the sparks from flowing into the well. At the same time, the water source in the water storage box 5 can extinguish fires, thereby improving safety. When the manhole cover body 2 is installed, the manhole cover body 2 is located in the manhole cover groove 3, so that the limiting plate 6 enters under the locking plate 7, and the locking plate 7 enters through the notch groove 61 on the limiting plate 6, so that after the manhole cover body 2 is rotated, the notch groove 61 and the locking plate 7 are misaligned, and the manhole cover body 2 cannot be opened, so that people who do not understand the specific structure cannot open the manhole cover, thereby increasing safety.

[0024] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A water-storage fireproof and breathable safety manhole cover, comprising a manhole frame (1) and a manhole cover body (2), characterized in that: A manhole cover groove (3) is provided at the upper end of the manhole frame (1), air holes (4) are provided on both left and right sides of the surface of the manhole cover body (2), a water storage box (5) is provided at the lower end of the manhole cover body (2), a limiting plate (6) is provided on the side of the surface of the manhole cover body (2), and a locking plate (7) is provided on the inner side of the manhole cover groove (3).

2. A water-storage fireproof and breathable safety manhole cover according to claim 1, characterized in that: The diameters of the manhole cover groove (3) and the manhole cover body (2) are adapted, and the inner diameter of the lower end of the manhole frame (1) is smaller than the diameter of the manhole cover body (2).

3. The water-storage fireproof and breathable safety manhole cover according to claim 1, characterized in that: The diameter of the water storage box (5) is greater than the distance between the two air holes (4); the upper end of the water storage box (5) is fixedly connected to the manhole cover body (2) via a connecting plate (51); the connecting plates (51) are distributed in a ring array.

4. The water-storage fireproof and breathable safety manhole cover according to claim 1, characterized in that: The left and right sides of the surface of the limiting plate (6) are both provided with notch grooves (61), and the side of the surface of the manhole cover body (2) is provided with a locking groove (62) above the limiting plate (6).

5. A water-storage fireproof and breathable safety manhole cover according to claim 4, characterized in that: The locking plates (7) are arranged in pairs on the left and right sides of the manhole cover groove (3).

6. A water-storage fireproof and breathable safety manhole cover according to claim 5, characterized in that: The snap-fit ​​plate (7) and the snap-fit ​​groove (62) are adapted to each other, and the length of the snap-fit ​​plate (7) is smaller than the length of the notch groove (61).

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