CN219011438U

CN219011438U - Bidirectional explosion-proof floor drain for civil air defense

Info

Publication number: CN219011438U
Application number: CN202223553379.8U
Authority: CN
Inventors: 戴兴泉; 黄加章; 李明俊
Original assignee: Yangzhou Biyuan Civil Air Defense Engineering Co ltd
Current assignee: Yangzhou Biyuan Civil Air Defense Engineering Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-12
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a bidirectional explosion-proof floor drain for civil air defense equipment, which belongs to the technical field of civil air defense equipment and comprises a floor drain seat body and a floor drain panel arranged at a water inlet above the floor drain seat body, wherein water leakage holes are uniformly formed in the floor drain panel, a bottom plate is arranged below the floor drain seat body, the bottom plate is provided with a water drainage hole from the center outwards, the bottom plate is vertically connected with a water drainage pipe upwards, a sealing bowl which is reversely buckled is fixedly connected inside the floor drain seat body, a sealing ring is arranged on the top wall of an inner cavity of the sealing bowl, a sealing pressing block is downwards connected in the middle of the inside of the sealing bowl, and a bottom supporting leg of the sealing pressing block is movably connected with a lower sealing baffle through a jacking spring. The device can close the explosion-proof floor drain from the upper direction and the lower direction, prevents shock waves and toxic gas from invading the inside of the protective body, and is suitable for being used in civil air defense engineering.

Description

Bidirectional explosion-proof floor drain for civil air defense

Technical Field

The utility model relates to the technical field of civil air defense equipment, in particular to a bidirectional explosion-proof floor drain for civil air defense.

Background

The explosion-proof floor drain is a floor drain for special occasions, is generally used in building civil air defense areas, has the characteristics of stronger and larger drainage compared with the common floor drain, is in a closed state at ordinary times, is placed in a valve cavity, can be completely closed and locked by rotating 60 degrees clockwise, can be opened by rotating 60 degrees anticlockwise, can prevent explosion shock waves and other toxic and harmful gases from entering a protective body when the explosion-proof floor drain is in the closed state, plays a role in safety protection, and can finish flushing by opening the explosion-proof floor drain and draining water when the area is polluted and needs cleaning when in war.

In the prior art, when the anti-explosion floor drain is normally used, the indoor air is communicated with the drain pipe, so that odor in the drain pipe can circulate into the room to cause odor in the room, and if toxic gas is discharged into the drain pipe, the toxic gas can enter the room; and only one end of the upper part is provided with a sealing element, when the only sealing element is damaged, the anti-explosion floor drain fails, and the anti-poison and anti-explosion effects are lost.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a bidirectional anti-explosion floor drain for civil air defense, which can be closed from the upper direction and the lower direction, so that shock waves and toxic gas are prevented from invading the inside of a protective body.

The purpose of the utility model is realized in the following way: the utility model provides a two-way explosion-proof floor drain for civil air defense, includes floor drain seat body and sets up the floor drain panel in the water inlet department of floor drain seat body top, evenly seted up the hole that leaks on the floor drain panel, the below of floor drain seat body is equipped with the bottom plate, outwards sets up the wash port by the center on the bottom plate, the bottom plate is upwards vertical to be connected with the drain pipe, the inside fixedly connected with back-off setting's of floor drain seat body seal bowl, the annular sealing washer that is equipped with of drain pipe upper end, roof swing joint in seal ring upper end and the seal bowl, be connected with sealed briquetting downwards in the middle of the inside of seal bowl, sealed briquetting's bottom landing leg is through jack-up spring and lower seal baffle swing joint.

When the anti-explosion floor drain works, the upper end and the lower end of the anti-explosion floor drain can be plugged by arranging the upper sealing piece and the lower sealing piece, and the anti-explosion floor drain can also be plugged by independently using the sealing piece above, so that the problem of failure of the anti-explosion floor drain caused by damage of one sealing piece is avoided. Compared with the prior art, the utility model has the beneficial effects that: in the normal use process, the sealing ring in the sealing bowl and the lower sealing baffle below the bottom plate are in an open state, so that the explosion-proof floor drain is in a use state for daily ventilation; when the floor drain panel is manually rotated by 60 degrees along the clockwise direction from the upper part, the floor drain panel is completely locked, and the floor drain panel is pressed down in the rotating process so that the top wall of the inner wall of the sealing bowl is completely contacted with the sealing ring, and the explosion-proof floor drain is sealed from the upper end; when explosion occurs in the pipeline to generate shock waves, the lower sealing baffle plate is pushed by the shock waves to overcome the gravity of the lower sealing baffle plate to be in full contact with the bottom plate, the lower end of the lower sealing baffle plate seals the anti-explosion floor drain, the spring is jacked up to compress the lower sealing baffle plate, the sealing bowl is lowered along with the lower sealing baffle plate to be connected with the sealing ring, and the upper end and the lower end of the sealing baffle plate seal the anti-explosion floor drain, so that the upper end and the lower end of the sealing baffle plate simultaneously seal the anti-explosion floor drain, and the problem that one sealing piece is damaged to cause failure of the anti-explosion floor drain is avoided; when the shock wave is eliminated, the lower sealing baffle falls back to the opening position under the action of the jacking spring, and the sealing bowl rises back to the opening position.

Further, the sealing bowl passes through the sealing pressing block through the screw to be connected with the connecting block on the floor drain panel.

Further, the bottom circumference butt of sealing briquetting is at the edge of jack-up spring, thereby drives sealed bowl and reciprocates through the deformation of jack-up spring.

Further, the upper end of the lower sealing baffle is connected with a connecting bolt, and the connecting bolt upwards penetrates through the jacking spring to be connected with a movable check ring.

Further, the central axis of the floor drain seat body coincides with the central axis of the floor drain panel, and the convex part on the edge of the floor drain panel is rotationally clamped into the clamping part of the upper port of the floor drain seat body.

Further, the floor drain panel is lower than the upper edge of the floor drain seat body.

Further, the floor drain panel is provided with a handle which is convenient for lifting the floor drain panel, and two ends of the handle are respectively hinged to the floor drain panel.

Drawings

Fig. 1 is a sectional structural view of the explosion-proof floor drain of the present utility model.

Fig. 2 is a top view of the explosion proof floor drain of the present utility model.

In the upper diagram, a floor drain seat body, a sealing bowl, a floor drain panel, a handle, a connecting block, a sealing pressing block, a bottom plate, a lower sealing baffle, a jack-up spring, a drain pipe, a water leakage hole, a sealing ring, a convex part and a clamping part are arranged in the upper diagram, wherein the sealing bowl is arranged in the floor drain seat body, the sealing pressing block is arranged in the floor drain seat body, the handle is arranged in the floor drain seat body, the connecting block is arranged in the floor drain seat body, the sealing bowl is arranged in the floor drain seat body, the sealing pressing block is arranged in the floor drain seat body, the handle is arranged in the floor drain seat body, the connecting block is arranged in the handle, the connecting block, the sealing.

Detailed Description

The two-way explosion-proof floor drain for civil air defense as shown in fig. 1 and 2 comprises a floor drain seat body 1 and a floor drain panel 3 arranged at a water inlet above the floor drain seat body 1, water leakage holes 11 are uniformly formed in the floor drain panel 3, a bottom plate 7 is arranged below the floor drain seat body 1, a water discharge hole is formed in the bottom plate 7 from the center to the outside, a water discharge pipe 10 is vertically connected to the bottom plate 7 upwards, a sealing bowl 2 is fixedly connected to the inside of the floor drain seat body 1 in a reverse buckling mode, a sealing ring 12 is annularly arranged at the upper end part of the water discharge pipe 10, the upper end of the sealing ring 12 is movably connected with the inner top wall of the sealing bowl 2, a sealing pressing block 6 is downwards connected in the middle of the inside of the sealing bowl 2, and a bottom supporting leg of the sealing pressing block 6 is movably connected with a lower sealing baffle 8 through a jacking spring 9.

The sealing bowl 2 passes through the sealing pressing block 6 through a screw to be upwards connected with the connecting block 5 on the floor drain panel 3.

The bottom circumference butt of sealing briquetting 6 is at the edge of jack-up spring 9, thereby drives sealing bowl 2 and reciprocates through the deformation of jack-up spring 9.

The upper end of the lower sealing baffle plate 8 is connected with a connecting bolt, and the connecting bolt upwards penetrates through the jacking spring to be connected with a movable check ring.

The central axis of the floor drain seat body 1 coincides with the central axis of the floor drain panel 3.

The horizontal height of the floor drain panel 3 is lower than that of the upper end edge of the floor drain seat body 1, and the convex part 13 on the edge of the floor drain panel 3 is clamped into the clamping part 14 of the upper port of the floor drain seat body 1 through rotation.

The floor drain panel 3 is provided with a handle 4 which is convenient for lifting the floor drain panel 3, and two ends of the handle 4 are respectively hinged on the floor drain panel 3.

When the anti-explosion floor drain works, in the normal use process, the sealing ring 12 in the sealing bowl 2 and the lower sealing baffle plate 8 below the bottom plate 7 are in an opening state, so that the anti-explosion floor drain is in a use state for daily ventilation, ventilation and drainage, and in particular: the ground water enters the floor drain seat body 1 from the water leakage holes 11 on the floor drain panel 3, overflows from the drain pipe 10 in the floor drain seat body when the water level reaches a certain height, and is discharged into a pipeline from the drain holes on the bottom plate 7; when the floor drain panel 3 is manually rotated by 60 degrees in the clockwise direction from above, the floor drain panel 3 is pressed down in the rotating process to ensure that the top wall of the inner cavity of the sealing bowl 2 is in full contact with the sealing ring 12, the anti-explosion floor drain is sealed from the upper end, and conversely, the anti-explosion floor drain can be opened when rotated anticlockwise; when explosion occurs in the pipeline to generate shock waves, the lower sealing baffle 8 is pushed by the shock waves to overcome the gravity of the lower sealing baffle to be in full contact with the bottom plate 7, the explosion-proof floor drain is sealed from the lower end, the spring 9 is jacked up to be compressed at the same time, the sealing bowl 2 descends along with the sealing ring 12 to be connected with the explosion-proof floor drain from the upper end, the upper and lower sealing effects are formed, and the problem that the explosion-proof floor drain is invalid due to the damage of one sealing piece is avoided; when the shock wave is eliminated, the lower sealing baffle plate 8 falls back to the opening position under the action of the jacking spring 9, and the sealing bowl 2 rises back to the opening position.

The bidirectional anti-explosion floor drain can be closed from the upper direction and the lower direction, so that the anti-explosion floor drain is prevented from losing efficacy when a sealing element at one end is damaged, shock waves and toxic gas are prevented from invading the inside of the protective body, and the bidirectional anti-explosion floor drain is suitable for being used in civil air defense engineering.

The utility model is not limited to the above embodiments, and based on the technical solution disclosed in the utility model, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the utility model.

Claims

1. The utility model provides a two-way explosion-proof floor drain for civil air defense, includes floor drain seat body and sets up the floor drain panel in the water inlet department of floor drain seat body top, evenly seted up the hole that leaks on the floor drain panel, the below of floor drain seat body is equipped with the bottom plate, outwards sets up the wash port by the center on the bottom plate, the bottom plate upwards vertically is connected with drain pipe, its characterized in that: the floor drain seat is characterized in that a sealing bowl arranged in a back-off manner is fixedly connected inside the floor drain seat body, a sealing ring is annularly arranged at the upper end part of the drain pipe, the upper end of the sealing ring is movably connected with the inner top wall of the sealing bowl, a sealing pressing block is downwards connected in the middle of the inner part of the sealing bowl, and a bottom supporting leg of the sealing pressing block is movably connected with a lower sealing baffle through a jacking spring.

2. The bi-directional anti-explosion floor drain for civil air defense according to claim 1, wherein: the sealing bowl passes through the sealing pressing block through the screw to be connected with the connecting block on the floor drain panel.

3. The bi-directional anti-explosion floor drain for civil air defense according to claim 1, wherein: the bottom circumference butt of sealing briquetting is at the edge of jack-up spring, thereby drives sealed bowl and reciprocates through the deformation of jack-up spring.

4. The bi-directional anti-explosion floor drain for civil air defense according to claim 1, wherein: the upper end of the lower sealing baffle is connected with a connecting bolt, and the connecting bolt upwards penetrates through the jacking spring to be connected with a movable check ring.

5. The bi-directional anti-explosion floor drain for civil air defense according to claim 1, wherein: the central axis of the floor drain seat body coincides with the central axis of the floor drain panel.

6. The bi-directional anti-explosion floor drain for civil air defense according to claim 5, wherein: the horizontal height of the floor drain panel is lower than that of the upper end edge of the floor drain seat body, and the convex part on the edge of the floor drain panel is clamped into the clamping part of the upper port of the floor drain seat body through rotation.

7. The bi-directional anti-explosion floor drain for civil air defense according to claim 1, wherein: the floor drain panel is provided with a handle which is convenient for lifting the floor drain panel, and two ends of the handle are respectively hinged to the floor drain panel.