CN217233349U

CN217233349U - Threshold type longitudinal plug-in flood prevention device

Info

Publication number: CN217233349U
Application number: CN202220778712.6U
Authority: CN
Inventors: 孙作钊
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-08-19
Anticipated expiration: 2032-04-06

Abstract

The utility model relates to a flood prevention facility technical field, specifically speaking relates to a vertical grafting flood prevention device of threshold formula. The threshold type longitudinal plug-in flood prevention device comprises two vertical clamping column assemblies and a plurality of water baffles, wherein the two vertical clamping column assemblies are bilaterally and symmetrically fixed on walls on two sides of a doorway, the water baffles are vertically arranged along the left and right direction, and the water baffles are spliced and clamped between the two vertical clamping column assemblies at intervals up and down so as to intercept and block the water at the doorway. The utility model discloses can effectively block flood, extensive applicability can effectively prevent casualties and loss of property, easy dismounting, and the structure is firm, and is efficient, with low costs.

Description

Threshold type longitudinal plug-in flood prevention device

Technical Field

The utility model relates to a flood prevention facility technical field, specifically speaking relates to a vertical grafting flood prevention device of threshold formula.

Background

At present, extreme weather in the world has the characteristic of concentrated and unexpected outbreak, and once the extreme weather occurs, the characteristic of local historical records is often broken through, so that local people cannot timely make effective and correct countermeasures according to past precautionary consciousness, and great loss is caused. When the rainy season comes every year, partial areas of China are always subjected to flood disasters, the whole country can enter a critical flood prevention period, in recent years, the flood disasters are caused by extreme rainfall in a short time, the rainfall of strong rainfall for several hours exceeds the rainfall of the year, for any city, the drainage system cannot timely discharge the rainwater, the water level of nearby rivers rises quickly, the occurrence of urban waterlogging in several hours cannot be avoided, when the urban waterlogging occurs, flood prevention gates are built by accumulating flood prevention sandbags at gates, such as subway gates, underground garages, door houses and basements, and the like with low terrain in the face of the steeply rising water level, so that casualties and property losses are avoided, however, a certain amount of flood prevention sandbags are required to be prepared nearby in advance, the space of taking up an area of is big, and it is big to pile up flood prevention sand bag amount of labour moreover, piles up the height and can not in time adjust, and too high needs pile up two rows at least, just can guarantee to stabilize, and is efficient, and is with high costs, therefore needs a flood prevention device that can be emergent fast and easy to assemble urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vertical grafting flood prevention device of threshold formula, the utility model discloses can effectively block flood, extensive applicability can effectively prevent casualties and loss of property, easy dismounting, the structure is firm, and is efficient, with low costs.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the threshold type longitudinal plug-in flood prevention device comprises two vertical clamping column assemblies and a plurality of water baffles, wherein the two vertical clamping column assemblies are bilaterally and symmetrically fixed on walls on two sides of a doorway, the water baffles are vertically arranged along the left and right direction, and the water baffles are spliced and clamped between the two vertical clamping column assemblies at intervals up and down so as to intercept and block the water at the doorway.

The left vertical clamping column component comprises a square base and a rectangular tube stand column, the square base is composed of a square bottom plate and a rectangular block integrally cast and formed on the left side of the middle of the upper surface of the square bottom plate, two first round holes which are arranged at intervals in the front and back and are through up and down are formed in the right side of the middle of the square bottom plate, an anchor bolt penetrates through each first round hole, the square bottom plate is fixedly connected to the ground of the left side part in a door opening through the two anchor bolts, a long strip hole with the upper side and the lower side both open is vertically formed in the middle of the right side plate of the rectangular tube stand column, the lower side part of the rectangular tube stand column is sleeved on the rectangular block, the bottom end face of the rectangular tube stand column is tightly pressed on the upper surface of the square bottom plate, the outer edges of four sides of the lower end face of the rectangular tube stand column are aligned with the four sides of the square bottom plate up and down, and the left side face of an inner hole of the rectangular tube stand column is in a fit contact manner, the front side surface of the cuboid block is in fit contact with the front side wall of the inner hole of the rectangular tube stand column, the rear side surface of the cuboid block is in fit contact with the rear side wall of the inner hole of the rectangular tube stand column, a gap is reserved between the right side surface of the cuboid block and the right side wall of the inner hole of the rectangular tube stand column, two second round holes which are vertically spaced and are through front and back are arranged on the cuboid block, two third round holes which are corresponding to the two second round holes in a one-to-one and through front and back manner are arranged on the lower side portions of the front side plate and the rear side plate of the rectangular tube stand column respectively, the rectangular tube stand column and the cuboid block are fixedly connected through two fastening bolts which are vertically spaced and correspondingly penetrate through the corresponding second round holes and the corresponding third round holes respectively, a sealing fireproof backing plate is fixedly bonded on the left side surface of the left side plate of the rectangular tube stand column, the left side surface of the sealing fireproof backing plate is in tight press contact with the right side surface of the left side wall of the doorway, and the upper side edge of the sealing fireproof backing plate is flush with the upper end surface of the rectangular tube stand column, the lower side edge of the sealed fireproof backing plate is flush with the lower surface of the square bottom plate, the upper side part of the left side plate of the rectangular tube stand column and the upper side part of the sealed fireproof backing plate are both provided with a left-right corresponding and through fourth round hole, the upper side part of the rectangular tube stand column is fixedly connected to the right side surface of the left side wall of the doorway through an expansion screw penetrating through the fourth round hole, a sealed waterproof square column positioned between the fourth round hole and a rectangular block is fixedly filled in the rectangular tube stand column, the sealed waterproof square column is in interference fit with the rectangular tube stand column, the middle part of the right side surface of the sealed waterproof square column is vertically provided with a first sealed clamping groove with an opening at the upper side, the lower side and the right side, the first sealed clamping groove corresponds to the rectangular hole in the left-right direction, and the width of the first sealed clamping groove and the rectangular hole are the same;

an anti-seepage backing plate positioned below the water baffle at the lowest side is paved on the ground between the two square bottom plates.

The lower surface of the sealing waterproof square column is in tight press contact with the upper surface of the cuboid block, and the groove bottom surface of the first sealing clamping groove is vertically aligned with the right side surface of the cuboid block.

The left side of breakwater corresponds and alternates left rectangular hole and joint in left first sealed draw-in groove, and the right side of breakwater corresponds and alternates the rectangular hole on right side and the joint in the first sealed draw-in groove on right side, and the thickness of breakwater is greater than the width of first sealed draw-in groove, the left side limit of breakwater and the sealed laminating contact of the tank bottom surface of left first sealed draw-in groove, the right side limit of breakwater and the sealed laminating contact of tank bottom surface of left first sealed draw-in groove.

A sealing waterproof clamping block is arranged between two adjacent water baffles, the sealing waterproof clamping block is horizontally arranged along the left-right direction, the left end face of the sealing waterproof clamping block is tightly attached and contacted with the right side face of the right side plate of the left rectangular tube stand column, the right end face of the sealing waterproof clamping block is tightly attached and contacted with the left side face of the left side plate of the right rectangular tube stand column, the upper surface and the middle part of the lower surface of the sealing waterproof clamping block are respectively provided with a second sealing clamping groove along the left-right direction, the width of the second sealing clamping groove is smaller than the thickness of the water baffles, the upper side, the left side and the right side of the second sealing clamping groove on the upper side are both opened, the lower side, the left side and the right side of the second sealing clamping groove on the lower side are both opened, the upper side part of the water baffles on the lower side is correspondingly clamped and arranged in the second sealing clamping groove on the lower side, the lower side edge of the water baffles on the lowest side is tightly pressed on an anti-seepage water cushion plate, the width of the anti-seepage backing plate is larger than the thickness of the water retaining plate.

The sealing fireproof backing plate, the sealing waterproof square column, the sealing waterproof clamping block and the water seepage-proof backing plate are all made of rubber and plastic cotton.

The upper end of the rectangular tube upright post is provided with a rectangular cover.

Compared with the prior art, the utility model has substantive characteristics and progress, in particular to a water baffle plate which is pre-customized according to the width of a door when in use, under the condition of not raining at ordinary times, the water baffle plate and a sealing waterproof clamping block are stored and stored in a designated place near the door and do not influence the passing, when heavy rain is met and urban waterlogging is likely to occur, firstly, the water level condition is seen, when the initial water level is not too high, the flood does not overflow the door, firstly, a water seepage preventing cushion plate is laid on the ground between two square bottom plates, then, a first water baffle plate is placed between two rectangular pipe stand columns from top to bottom, the lower side of the water baffle plate is tightly pressed on a water seepage preventing cushion plate, the left side part of the water baffle plate is correspondingly inserted into a left long strip hole and is clamped in a left first sealing clamping groove, the right side part of the water baffle plate is correspondingly inserted into a right long strip hole and is clamped in a right first sealing clamping groove, thus, flood can be stopped outside the doorway, pedestrians can easily stride over the doorway, the pedestrian passage is not influenced temporarily, if the water potential is large, when the water level rises to be close to the upper side edge of the first water baffle, the first waterproof sealing clamping block is placed on the upper portion of the first water baffle, the upper side portion of the first water baffle is correspondingly and hermetically clamped in the second waterproof sealing clamping groove on the lower side of the first waterproof sealing clamping block, the second water baffle is placed between the two rectangular pipe stand columns from top to bottom, the lower side portion of the second water baffle is correspondingly and hermetically clamped in the second waterproof sealing clamping groove on the upper side of the first waterproof sealing clamping block, and so on, the water baffles and the waterproof sealing clamping blocks can be continuously and additionally placed along with the change of the water level, the flood can be effectively stopped, the device is suitable for doorways such as a subway doorway, an underground garage entrance, a doorway of a door house, a basement entrance and the like, can avoid the flood to pour into subway, underground garage, shop front and basement, extensive applicability to effectively prevent casualties and loss of property, easy dismounting, the structure is firm, and is efficient, with low costs.

The sealing fireproof base plate, the sealing waterproof square column, the sealing waterproof clamping block and the water seepage prevention base plate are all made of rubber and plastic cotton, are light in texture, play a role in fire prevention and sealing, are safe and reliable, and are not easy to age.

The upper end of the rectangular tube stand column is provided with the rectangular cover, so that the rectangular tube stand column is attractive and is coordinated with the external environment, and rainwater can be prevented from entering the rectangular tube stand column from the upper port of the rectangular tube stand column.

Wherein, if the width on gate is longer, then the length of corresponding breakwater also can corresponding extension, in order to improve the intensity and the stability of breakwater, need beat at least one location blind hole in advance on the subaerial of breakwater middle part rear side, insert a pin in the location blind hole, the pin just can keep off at the rear side of breakwater with the trailing flank of breakwater or the trailing flank roof pressure contact of sealed waterproof fixture block, the pin provides the support for the breakwater, the manger plate of reinforcing breakwater ability.

The utility model discloses can effectively block flood, extensive applicability can effectively prevent casualties and loss of property, easy dismounting, and the structure is firm, and is efficient, with low costs.

Drawings

Fig. 1 is a front view of the overall structure of the first embodiment of the present invention.

Fig. 2 is a sectional view taken along line C-C in fig. 1.

Fig. 3 is a top view of the overall structure of the first embodiment of the present invention.

Fig. 4 is a sectional view taken along line D-D in fig. 3.

Fig. 5 is a front view of a left square base according to a first embodiment of the present invention.

Fig. 6 is a right side view of the square base on the left side of the first embodiment of the present invention.

Fig. 7 is a top view of a left square base according to a first embodiment of the present invention.

Fig. 8 is a right side view of the left rectangular tube column according to the first embodiment of the present invention.

Fig. 9 is a front view of a left rectangular tube column according to a first embodiment of the present invention.

Fig. 10 is a sectional view taken along line a-a in fig. 8.

Fig. 11 is a sectional view taken along line B-B in fig. 8.

Fig. 12 is a cross-sectional view of the waterproof sealing fixture block of the present invention.

Fig. 13 is a right side view of the left rectangular tube column according to the second embodiment of the present invention.

Fig. 14 is a front view of a left rectangular tube column according to the second embodiment of the present invention.

Fig. 15 is a front view of the overall structure of the second embodiment of the present invention.

Fig. 16 is a plan view of the overall structure of the second embodiment of the present invention.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

The direction of the doorway facing outwards is taken as the forward direction, namely the water-facing side is taken as the front side.

Example one

As shown in fig. 1-12, the threshold type longitudinal plug-in flood prevention device comprises two vertical clamping column assemblies and a plurality of water baffles 1, wherein the two vertical clamping column assemblies are fixed on two side walls 2 of a doorway in a bilateral symmetry manner, the water baffles 1 are vertically arranged along the left and right direction, and the water baffles 1 are spliced and clamped between the two vertical clamping column assemblies at intervals up and down so as to intercept and block the flood prevention device at the doorway.

The left vertical clamping column assembly comprises a square base and a rectangular tube stand column 3, the square base is composed of a square bottom plate 4 and a rectangular block 5 which is integrally cast and formed on the left side of the middle part of the upper surface of the square bottom plate 4, the right side of the middle part of the square bottom plate 4 is provided with two first round holes 6 which are arranged at intervals in a front-back manner and are through up and down, each first round hole 6 is internally penetrated with a foundation bolt (not shown), the square bottom plate 4 is fixedly connected on the ground of the left side part in a doorway through the two foundation bolts, the middle part of the right side plate of the rectangular tube stand column 3 is vertically provided with a strip-shaped hole 7 with an upper side and a lower side which are both open, the lower side part of the rectangular tube stand column 3 is sleeved on the rectangular block 5, the bottom end surface of the rectangular tube stand column 3 is tightly pressed on the upper surface of the square bottom surface of the rectangular tube stand column 3, the outer edges of four sides of the lower end surface of the rectangular tube stand column 3 are vertically aligned with the four sides of the square bottom plate 4, the left side surface of the rectangular tube stand column 5 is in contact with the left side wall of an inner hole of the rectangular tube stand column 3, the front side surface of a cuboid block 5 is in fit contact with the front side wall of an inner hole of a rectangular tube upright post 3, the rear side surface of the cuboid block 5 is in fit contact with the rear side wall of the inner hole of the rectangular tube upright post 3, a gap is reserved between the right side surface of the cuboid block 5 and the right side wall of the inner hole of the rectangular tube upright post 3, two second round holes 8 which are vertically spaced and are through front and back are arranged on the cuboid block 5, two third round holes 9 which are respectively corresponding to the two second round holes 8 in a one-to-one correspondence and are through front and back are arranged on the lower side parts of the front side plate and the rear side plate of the rectangular tube upright post 3, the rectangular tube upright post 3 and the cuboid block 5 are fixedly connected through two fastening bolts 10 which are vertically spaced and respectively corresponding to penetrate through the corresponding second round holes 8 and the third round holes 9, a sealing fireproof backing plate 11 is fixedly bonded on the left side surface of the left side plate of the rectangular tube upright post 3, the left side surface of the sealing fireproof backing plate 11 is in tight press contact with the right side surface of a left side wall 2 of a doorway, the upper side edge of the sealing fireproof backing plate 11 is flush with the upper end face of the rectangular tube upright post 3, the lower side edge of the sealing fireproof backing plate 11 is flush with the lower surface of the square bottom plate 4, the upper side part of the left side plate of the rectangular tube upright post 3 and the upper side part of the sealing fireproof backing plate 11 are both provided with a left-right corresponding and transparent fourth round hole 12, the upper side part of the rectangular tube upright post 3 is fixedly connected on the right side face of the left side wall 2 of the doorway through an expansion screw 13 which passes through the fourth round hole 12, the rectangular tube upright post 3 is internally and fixedly filled with a sealing waterproof square column 14 which is positioned between the fourth round hole 12 and the cuboid block 5, the sealing waterproof square column 14 is in interference fit with the rectangular tube upright post 3, and the middle part of the right side face of the sealing waterproof square column 14 is vertically provided with an upper side, the first sealing clamping groove 15 is opened at the lower side and the right side, the first sealing clamping groove 15 corresponds to the strip hole 7 in the left-right direction, and the widths of the first sealing clamping groove 15 and the strip hole 7 are the same;

an anti-seepage liner plate 16 positioned below the lowest water baffle plate 1 is paved on the ground between the two square bottom plates 4. The arrangement of the water seepage prevention cushion plate 16 prevents the situation of poor water retaining caused by uneven ground.

The lower surface of the sealing waterproof square column 14 is in tight press contact with the upper surface of the cuboid block 5, and the groove bottom surface of the first sealing clamping groove 15 is vertically aligned with the right side surface of the cuboid block 5.

The left side portion of breakwater 1 corresponds alternates left rectangular hole 7 and the joint is in left first sealed draw-in groove 15, the right side portion of breakwater 1 corresponds rectangular hole 7 and the joint that alternates right side is in first sealed draw-in groove 15 on right side, the thickness of breakwater 1 is greater than first sealed draw-in groove 15's width (during installation breakwater 1, breakwater 1 and first sealed draw-in groove 15 and rectangular hole 7 interference fit, can make breakwater 1 installation more firm), the left side of breakwater 1 and the sealed laminating contact of the tank bottom face of left first sealed draw-in groove 15, the right side limit of breakwater 1 and the sealed laminating contact of tank bottom face of left first sealed draw-in groove 15.

A sealing waterproof fixture block 17 is arranged between two adjacent water baffles 1, the sealing waterproof fixture block 17 is horizontally arranged along the left-right direction, the left end surface of the sealing waterproof fixture block 17 is tightly attached and contacted with the right side surface of the right side plate of the left rectangular tube upright post 3, the right end surface of the sealing waterproof fixture block 17 is tightly attached and contacted with the left side surface of the left side plate of the right rectangular tube upright post 3, the middle parts of the upper surface and the lower surface of the sealing waterproof fixture block 17 are respectively provided with a second sealing clamping groove 18 along the left-right direction, the width of the second sealing clamping groove 18 is smaller than the thickness of the water baffle 1, the upper side, the left side and the right side of the second sealing clamping groove 18 at the upper side are respectively opened, the lower side, the left side and the right side of the second sealing clamping groove 18 at the lower side are respectively and hermetically clamped in the second sealing clamping groove 18 at the lower side, the lower side part of the water baffle 1 at the upper side is correspondingly and hermetically clamped in the second sealing clamping groove 18 at the upper side, the lower side edge of the lowest water baffle plate 1 is tightly pressed on the anti-seepage backing plate 16, and the width of the anti-seepage backing plate 16 is larger than the thickness of the water baffle plate 1.

The sealing fireproof backing plate 11, the sealing waterproof square column 14, the sealing waterproof fixture block 17 and the anti-seepage backing plate 16 are all made of rubber and plastic cotton.

The upper end of the rectangular tube upright post 3 is provided with a rectangular cover 19.

The utility model discloses when using, customize the breakwater 1 that the size is fit for in advance according to the width at gate, at ordinary times under the condition of not raining, breakwater 1 and waterproof seal fixture block 17 are deposited and are accomodate in the appointed place near the gate, do not influence and pass, when meeting heavy rain and probably can take place urban waterlogging, see the water level condition at first, when the initial water level is not too high, flood still does not reach the gate yet, lay the infiltration-proof backing plate 16 of preventing on the ground between two square bottom plates 4 first, then place first breakwater 1 between two rectangular pipe stands 3 from top to bottom, and make the lower side of breakwater 1 press tightly on the infiltration-proof backing plate 16, the left side of breakwater 1 corresponds left rectangular hole 7 and joint in left first sealed draw-in groove 15 of interlude, the right side of breakwater 1 corresponds the rectangular hole 7 and joint in right first sealed draw-in groove 15 of interlude on right side, therefore, flood can be stopped at the outer side of a doorway, and pedestrians can easily cross over the doorway without influencing the pedestrian passage temporarily, if the water potential is large, when the water level rises to be close to the upper side edge of the first water baffle 1, the first waterproof sealing clamping block 17 is placed at the upper part of the first water baffle 1, the upper side part of the first water baffle 1 is correspondingly and hermetically clamped in the second sealing clamping groove 18 at the lower side of the first waterproof sealing clamping block 17, then the second water baffle 1 is placed between the two rectangular tube upright posts 3 from top to bottom, the lower side part of the second water baffle 1 is correspondingly and hermetically clamped in the second sealing clamping groove 18 at the upper side of the first waterproof sealing clamping block 17, so as to analogize, the water level can be changed to continuously increase the water baffles 1 and the waterproof sealing clamping blocks 17 to effectively block water, the device is suitable for doorways such as subway doorways, underground garage entrances, doorways of door-faced garages, doorways of door-faced rooms, basement entrances and the like, can avoid the flood to pour into subway, underground garage, shop front and basement to effectively prevent casualties and loss of property, easy dismounting, the structure is firm, and is efficient, with low costs.

The sealing fireproof backing plate 11, the sealing waterproof square columns 14, the sealing waterproof clamping blocks 17 and the anti-seepage backing plate 16 are all made of rubber plastic cotton, are light in weight, play a role in fire prevention and sealing, are safe and reliable, and are not easy to age.

The rectangular cover 19 is arranged at the upper end of the rectangular tube upright post 3, so that the appearance is attractive, the external environment is coordinated, and rainwater can be prevented from entering the rectangular tube upright post 3 from the upper port of the rectangular tube upright post 3.

Wherein, if the width on gate is longer, then corresponding breakwater 1's length also can corresponding extension, in order to improve the intensity and the stability of breakwater 1 manger plate water, need beat at least one location blind hole in advance on the subaerial of breakwater 1 middle part rear side, insert a pin in the location blind hole, the pin contacts with the trailing flank of breakwater 1 or the trailing flank roof pressure of sealed waterproof fixture block 17, the pin just can keep off at the rear side of breakwater 1, support for breakwater 1, strengthen breakwater 1's manger plate ability.

Example two

Different from the first embodiment, as shown in fig. 13 to 16, the left square bottom plate 4 is fixedly connected to the front side of the left wall 2 at the doorway through two anchor bolts, the sealing fireproof cushion plate 11 is fixedly bonded to the rear side of the rear side plate of the rectangular tube column 3, the rear side of the sealing fireproof cushion plate 11 is in pressing contact with the front side of the left wall 2 at the doorway, the front and rear corresponding and through fifth circular holes 20 are respectively formed in the upper side of the rear side plate of the left rectangular tube column 3 and the upper side of the sealing fireproof cushion plate 11, the upper side of the left rectangular tube column 3 is fixedly connected to the front side of the left wall 2 at the doorway through an expansion screw 13 passing through the fifth circular hole 20, the lower side of the sealing fireproof cushion plate 11 is provided with two sixth circular holes corresponding to the front and rear of the two second circular holes 8, and the rear ends of the fastening bolts 10 are respectively and correspondingly embedded in the corresponding sixth circular holes.

This embodiment is an installation method used when the space in the doorway is limited.

Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the above embodiments are only used for illustration and not for limitation of the technical solutions of the present invention; modifications and equivalents of the present invention may be made without departing from the spirit and scope of the invention, which is intended to be covered by the appended claims.

Claims

1. The vertical grafting flood prevention device of threshold formula installs the gate in needs flood prevention place, its characterized in that: including two vertical calorie of post subassemblies and a plurality of breakwaters, two vertical calorie of post subassembly bilateral symmetry are fixed to be set up on the both sides wall at gate, and the vertical setting of breakwater along the left and right directions, interval concatenation and joint are between two vertical calorie of post subassemblies about each breakwater to the interception blocks at the gate.

2. The threshold-type longitudinal inserting flood prevention device according to claim 1, characterized in that: the left vertical clamping column assembly comprises a square base and a rectangular tube stand column, the square base is composed of a square bottom plate and a rectangular block integrally cast and formed on the left side of the middle part of the upper surface of the square bottom plate, two first round holes which are arranged at intervals in the front-back direction and are through up and down are formed in the right side of the middle part of the square bottom plate, an anchor bolt penetrates through each first round hole, the square bottom plate is fixedly connected to the ground of the left side part in a door opening through the two anchor bolts, a long strip hole with an opening on the upper side and the lower side is vertically formed in the middle part of the right side plate of the rectangular tube stand column, the lower side part of the rectangular tube stand column is sleeved on the rectangular block, the bottom end surface of the rectangular tube stand column is tightly pressed on the upper surface of the square bottom plate, the outer edges of four sides of the lower end surface of the rectangular tube stand column are vertically aligned with the four sides of the square bottom plate, and the left side surface of the rectangular block is in contact with the left side wall of the inner hole of the rectangular tube stand column in a fit manner, the front side surface of the cuboid block is in fit contact with the front side wall of an inner hole of the rectangular tube stand column, the rear side surface of the cuboid block is in fit contact with the rear side wall of the inner hole of the rectangular tube stand column, a gap is reserved between the right side surface of the cuboid block and the right side wall of the inner hole of the rectangular tube stand column, two second round holes which are vertically spaced and are through front and back are arranged on the cuboid block, two third round holes which are corresponding to the two second round holes in a one-to-one and through front and back manner are arranged on the lower side portions of the front side plate and the rear side plate of the rectangular tube stand column respectively, the rectangular tube stand column and the cuboid block are fixedly connected through two fastening bolts which are vertically spaced and correspondingly penetrate through the corresponding second round holes and the corresponding third round holes respectively, a sealing fireproof backing plate is fixedly bonded on the left side surface of the left side plate of the rectangular tube stand column, the left side surface of the sealing fireproof backing plate is in press contact with the right side surface of the left side wall of the doorway, the upper side edge of the sealing fireproof backing plate is flush with the upper end surface of the rectangular tube stand column, the lower side edge of the sealed fireproof backing plate is flush with the lower surface of the square bottom plate, the upper side part of the left side plate of the rectangular tube stand column and the upper side part of the sealed fireproof backing plate are both provided with a left-right corresponding and through fourth round hole, the upper side part of the rectangular tube stand column is fixedly connected to the right side surface of the left side wall of the doorway through an expansion screw penetrating through the fourth round hole, a sealed waterproof square column positioned between the fourth round hole and a rectangular block is fixedly filled in the rectangular tube stand column, the sealed waterproof square column is in interference fit with the rectangular tube stand column, the middle part of the right side surface of the sealed waterproof square column is vertically provided with a first sealed clamping groove with an opening at the upper side, the lower side and the right side, the first sealed clamping groove corresponds to the rectangular hole in the left-right direction, and the width of the first sealed clamping groove and the rectangular hole are the same;

an anti-seepage base plate positioned below the water baffle at the lowest side is paved on the ground between the two square bottom plates.

3. The threshold type longitudinal plug-in flood prevention device according to claim 2, characterized in that: the lower surface of the sealing waterproof square column is in tight press contact with the upper surface of the cuboid block, and the groove bottom surface of the first sealing clamping groove is vertically aligned with the right side surface of the cuboid block.

4. The threshold-type longitudinal plug-in flood prevention device according to claim 2 or 3, characterized in that: the left side portion of breakwater corresponds the rectangular hole that alternates left and the joint is in left first sealed draw-in groove, and the right side portion of breakwater corresponds rectangular hole and the joint that alternates right side in the first sealed draw-in groove on right side, and the breakwater thickness is greater than the width of first sealed draw-in groove, the left side limit of breakwater and the sealed laminating contact of the tank bottom face of left first sealed draw-in groove, the right side limit of breakwater and the sealed laminating contact of the tank bottom face of left first sealed draw-in groove.

5. The threshold-type longitudinal plug-in flood prevention device according to claim 4, characterized in that: a sealing waterproof clamping block is arranged between two adjacent water baffles, the sealing waterproof clamping block is horizontally arranged along the left-right direction, the left end face of the sealing waterproof clamping block is tightly attached and contacted with the right side face of the right side plate of the left rectangular tube stand column, the right end face of the sealing waterproof clamping block is tightly attached and contacted with the left side face of the left side plate of the right rectangular tube stand column, the upper surface and the middle part of the lower surface of the sealing waterproof clamping block are respectively provided with a second sealing clamping groove along the left-right direction, the width of the second sealing clamping groove is smaller than the thickness of the water baffles, the upper side, the left side and the right side of the second sealing clamping groove on the upper side are both opened, the lower side, the left side and the right side of the second sealing clamping groove on the lower side are both opened, the upper side part of the water baffles on the lower side is correspondingly clamped and arranged in the second sealing clamping groove on the lower side, the lower side edge of the water baffles on the lowest side is tightly pressed on an anti-seepage water cushion plate, the width of the anti-seepage backing plate is larger than the thickness of the water retaining plate.

6. The threshold-type longitudinal plug-in flood prevention device according to claim 5, characterized in that: the sealing fireproof backing plate, the sealing waterproof square column, the sealing waterproof clamping block and the water seepage-proof backing plate are all made of rubber and plastic cotton.

7. The threshold-type longitudinal plug-in flood prevention device according to claim 5, characterized in that: the upper end of the rectangular tube upright post is provided with a rectangular cover.