CN213769928U

CN213769928U - Safe six-claw manhole cover

Info

Publication number: CN213769928U
Application number: CN202022053500.5U
Authority: CN
Inventors: 龚耀祖
Original assignee: Jiangsu Xinyao Machinery Parts Co ltd
Current assignee: Jiangsu Xinyao Machinery Parts Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-07-23
Anticipated expiration: 2030-09-18

Abstract

The utility model provides a six claw manhole covers of safe formula, includes arc upper cover and flange base, and the arc upper cover divide into the top, well lower part and edge are equipped with six equidistance bolt holes around the manhole on the flange base, and the arc upper cover is equipped with the partial pressure chamber, and the partial pressure chamber comprises inner wall and outer wall, and the partial pressure chamber is equipped with the through-hole in the center department of outer wall, and the through-hole is linked together with the pressure release mouth, and pressure release mouth department is equipped with the closing cap, is equipped with breather valve and anti-overflow and flows the probe rod in the partial pressure intracavity, and the well lower part of arc upper cover is equipped with the handle. Aiming at the defect of insufficient safety protection performance of the six-claw manhole cover, the utility model adds the breather valve and the pressure dividing cavity on the basis of the characteristic that the six-claw manhole cover is convenient to open, so that the pressure in the tank is divided into the pressure dividing tank to reduce the pressure in the tank; through the setting of anti-overflow probe rod, realized the in-process of canning to the detection of jar internal water level, when the water level reachd anti-overflow probe rod department, bee calling organ rings, and the suggestion is filled with, can observe the loading condition at the jar mouthful without the manual work.

Description

Safe six-claw manhole cover

Technical Field

The utility model belongs to the technical field of manhole cover safety protection, especially, relate to a six claw manhole covers of safe formula.

Background

The six-claw manhole cover has the advantage of quick opening, and when encountering high-pressure and high-temperature liquid, the quick opening function is always dangerous to a certain extent, so that the advantage is a defect, the use limitation of the six-claw manhole cover is caused, and if one six-claw manhole cover has quick opening and safety protection, the application range of the six-claw manhole cover is wider.

SUMMERY OF THE UTILITY MODEL

The utility model provides a six claw manhole covers of safe formula, simple structure, convenient to use solves the problem mentioned in the above-mentioned background.

The utility model provides a technical problem adopt following technical scheme to realize: the utility model provides a six claw manhole covers of safe formula, including arc upper cover and flange base, the arc upper cover divide into the top, well lower part and edge are equipped with six equidistance bolt holes, its characterized in that around the manhole on the flange base: arc upper cover be equipped with the partial pressure chamber, the partial pressure chamber by the constitution of inner wall and outer wall, the partial pressure chamber be equipped with the through-hole in the center department of outer wall, through-hole and pressure release mouth be linked together, pressure release mouth department be equipped with the closing cap, be equipped with breather valve and anti-overflow stream probe rod in the partial pressure chamber, anti-overflow stream probe rod passes the inner wall, anti-overflow stream probe rod pass through the wire and link to each other with bee calling organ, bee calling organ have the battery case, the well lower part of arc upper cover is equipped with the handle, the handle fix on the outer wall of arc upper cover, the bolt hole on the flange base has worn the bolt, and the bolt passes the edge of flange base and arc upper cover and screws up the nut and link to each other.

The sealing cover in be equipped with the closing plug, closing plug and closing cover formula structure as an organic whole, the closing cover pass through threaded connection with the pressure release mouth, the closing cover in be equipped with sealed cushion.

The utility model has the advantages that: aiming at the defect of insufficient safety protection performance of the six-claw manhole cover, the utility model adds the breather valve and the pressure dividing cavity on the basis of the characteristic that the six-claw manhole cover is convenient to open, so that the pressure in the tank is divided into the pressure dividing tank to reduce the pressure in the tank; the anti-overflow probe rod is arranged, so that the water level in the tank is detected in the tank filling process, when the water level reaches the anti-overflow probe rod, the buzzer sounds to prompt filling, and the loading condition can be observed at the tank opening without manual work; the arrangement of the sealing cover and the sealing plug can firstly release pressure when the manhole cover is opened, prevent the manhole cover from being jacked up to hurt workers when the manhole cover is opened under overlarge pressure, and highlight the performance of the six-claw manhole cover in the aspect of safety protection.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the closure cap of the present invention.

In the figure: an outer wall 1; an inner wall 2; a closure cap 3; a partial pressure chamber 4; a breather valve 5; an anti-overflow probe 6; a bolt 7; screwing the nut 8; a flange base 9; a handle 10; a through hole 11; a sealing rubber pad 12; the plug 13 is closed.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The invention is further described below with reference to the accompanying drawings: a safe six-claw manhole cover comprises an arc-shaped upper cover and a flange base 9, wherein the arc-shaped upper cover is divided into a top part, a middle lower part and an edge, six equidistant bolt holes 7 are arranged on the flange base 9 around a manhole, a pressure division cavity 4 is arranged on the arc-shaped upper cover, the pressure division cavity 4 consists of an inner wall 2 and an outer wall 1, a through hole 11 is formed in the center of the outer wall 1 of the pressure division cavity 4, the through hole 11 is communicated with a pressure relief opening, a sealing cover 3 is arranged at the position of the pressure relief opening, a breather valve 5 and an anti-overflow probe rod 6 are arranged in the pressure division cavity 4, the breather valve 5 and the anti-overflow probe rod 6 are arranged on the inner layer of the top part of the arc-shaped upper cover, the anti-overflow probe rod 6 penetrates through the inner wall 2, the anti-overflow probe rod 6 is connected with a buzzer through a wire, the buzzer is provided with a battery box, the breather valve 5 is placed on the inner layer to facilitate automatic exhaust and deflation and pressure adjustment, the anti-overflow device prevents that liquid water level is too high at the filling in-process, and the well lower part of arc upper cover is equipped with handle 10, handle 10 fix on the outer wall 1 of arc upper cover, through opening 3 release downthehole residual pressure of manhole of closing cap, avoid directly opening the manhole cover to be that the staff receives pressure shock, the downthehole bolt 7 that has worn of bolt 7 on the flange base 9, and bolt 7 passes the edge of flange base 9 and arc upper cover and links to each other with tightening nut 8, tightening nut 8 has ensured the leakproofness of arc upper cover.

The sealing cover 3 in be equipped with the closing plug 13, closing plug 13 and closing cover 3 formula structure as an organic whole, closing cover 3 and pressure release 11 pass through threaded connection, closing cover 3 in be equipped with sealed cushion 12.

Aiming at the defect of insufficient safety protection performance of the six-claw manhole cover, the utility model adds the breather valve 5 and the pressure dividing cavity 4 on the basis of the characteristic that the six-claw manhole cover is convenient to open, so that the pressure in the tank is divided into the pressure dividing tank to reduce the pressure in the tank; the anti-overflow probe rod 6 is arranged, so that the water level in the tank is detected in the tank filling process, when the water level reaches the anti-overflow probe rod 6, the buzzer sounds to prompt filling, and the loading condition can be observed at the tank opening without manual work; the arrangement of the closing cover 3 and the closing plug 13 can firstly release pressure when the manhole cover is opened, prevent the manhole cover from being jacked up to hurt workers when the manhole cover is opened due to overlarge pressure, and highlight the performance of the six-claw manhole cover in the aspect of safety protection.

Finally, the embodiments were chosen and described in order to best explain the principles of the invention and the patent disclosure, and are not intended to be limited to the details shown. Modifications and equivalents of the technical solution of the present invention may be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.

Claims

1. The utility model provides a six claw manhole covers of safe formula, includes arc upper cover and flange base, the arc upper cover divide into the top, well lower part and edge are equipped with six equidistance bolt holes, its characterized in that around the manhole on the flange base: arc upper cover be equipped with the partial pressure chamber, the partial pressure chamber by the constitution of inner wall and outer wall, the partial pressure chamber be equipped with the through-hole in the center department of outer wall, through-hole and pressure release mouth be linked together, pressure release mouth department be equipped with the closing cap, be equipped with breather valve and anti-overflow stream probe rod in the partial pressure chamber, anti-overflow stream probe rod passes the inner wall, anti-overflow stream probe rod pass through the wire and link to each other with bee calling organ, bee calling organ have the battery case, the well lower part of arc upper cover is equipped with the handle, the handle fix on the outer wall of arc upper cover, the bolt hole on the flange base has worn the bolt, and the bolt passes the edge of flange base and arc upper cover and screws up the nut and link to each other.

2. A secure six-jaw manhole cover according to claim 1, wherein: the sealing cover in be equipped with the closing plug, closing plug and closing cover formula structure as an organic whole, the closing cover pass through threaded connection with the pressure release mouth, the closing cover in be equipped with sealed cushion.