KR20010099403A - Backflow prevention device - Google Patents

Abstract

The present invention relates to a backflow prevention device

Open the center of the square door frame and attach the guide nails on the left and right sides, attach the dowel to the center of the upper part of the door, and install the column on the right side of the door frame so that the lever can rotate on the pillar and detachable on the side of the lever. Attach the device to the right end so that the roller can rotate, and install the block device on the right side, and attach the diagonal structure to the upper part of the block device.

When the roller on the right side of the lever is pushed by the block device, the lever is rotated so that the safety device on the left side of the lever is detached from the door and the door is lowered to close the opening of the door frame to prevent the drain backflow phenomenon.

Description

Backflow prevention device {omitted}

The present invention relates to a backflow prevention device

Open the center of the square door frame, and install the guide nails on the left and right sides of the door frame, attach the pulley to the center of the upper door, and install the pillar on the right side of the door, and put the lever on the column to rotate the lever. A door safety device is attached to the left side of the lever, and a diagonal structure is fixed to the upper part of the block device. When the block device is raised, pushing the roller on the right side of the lever causes the safety ring on the left side to be detached from the door. It is sealed to prevent backflow

The conventional backflow prevention device has a check valve device, but in natural drainage, the force is extremely low, and the check valve's opening weight prevents the flow of water, and other debris such as food waste are caught in the check valve's opening device. Couldn't function

The countercurrent prevention device as described above was unable to function properly due to the opening weight in the natural drainage and caught the hair and foreign substances on the case.

Accordingly, in the present invention, since the opening is open, the water flows smoothly in the natural drainage, and since the opening is open, there is no clogging due to this material such as merarakara. Push and rotate a little so that the detachable device is squeezed at the door, so the door is lowered to close the opening to prevent backflow.

In order to achieve the above object, the present invention provides an opening at the bottom of the center of the door frame, and installs a guide nail on the left and right sides of the door frame, and inserts a door on the guide nail. Put the lever on the upper part of the column to rotate the lever to the left and right, attach the safety leg to the left side of the lever, and attach the roller to the right end.

In the lower right part, a block device is installed, and the upper part of the block device is attached with a diagonal structure. When the block device rises during reverse flow, the roller is rotated while pushing the roller on the right side of the lever by the diagonal structure. Detachment device in the door was detached from the door so that the door descends to block the opening.

1 is a perspective view showing a configuration according to an embodiment of the present invention

True road

Severity 1 is a side cross-sectional view of the detachable device supporting the door and roller

Severity 2 is a side view that causes the blocker to rotate the roller.

Severity 3 is a plan view in which the blocker moves only up and down

* Explanation of symbols on main parts of drawings *

1, door frame 2, opening 3, guide nail 4, door 5, pulley

6, detachable device 7, lever 8, post 9, roller

10, diagonal 11, block 12, block fixed

1 is a view showing a configuration according to an embodiment of the present invention

(1) Open the door (2) at the bottom center of door frame and install guide nails (3) on the left and right sides of the door frame, and insert the door (4) at the guide nail to make the door work up and down. Part (5) rotatably attached to the left side, and attaching the detachment device (6) to the left side of the lever so that the detachment device can hang over the handle (5) of the upper part of the door and on the right side of the lever (9 The rollers can be rotated.The diagonal structure (10) is attached to the upper part of the block device. The roller was pushed to rotate the lever (7) and the detacher (6) was removed from the pulley so that the door (4) and the opening (2) were opened to prevent the backflow.

Therefore, by the backflow prevention device of the present invention

When the blocker is lifted by the backflow water, the roller is pushed by the diagonal structure to rotate the lever, and the detachable device is separated from the door by rotating the pulley. Will prevent you from coming in.

Claims (1)

(1) Give the opening (connection) of (2) at the bottom of the door frame, (3) Install the guide nails from the left and right side oppositely, and (4) Insert the doors into the guide nails so that they work up and down (5) Attach the pulley to the upper part of the door to rotate it, and put the pillar (8) on the right side of the door frame and insert the lever (7) on the upper part to rotate it, and attach the safety device (6) to the left side of the lever (5) (11) so that the roller (9) can be rotated to the right end of the lever, and the (11) block device is allowed to move up and down on the (12) fixture (10). ) The diagonal is attached to the upper part of the block 11, and the roller is lowered by operating the roller 9 and lowering the door 2 to block the opening of the door frame.