CN111749591A - Door bottom sealing device, door and preparation method of door - Google Patents
Door bottom sealing device, door and preparation method of door Download PDFInfo
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- CN111749591A CN111749591A CN202010657260.1A CN202010657260A CN111749591A CN 111749591 A CN111749591 A CN 111749591A CN 202010657260 A CN202010657260 A CN 202010657260A CN 111749591 A CN111749591 A CN 111749591A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 15
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- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000009970 fire resistant effect Effects 0.000 claims description 5
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- 230000002035 prolonged effect Effects 0.000 description 2
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- 229920002748 Basalt fiber Polymers 0.000 description 1
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Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
- E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
- E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
- E06B5/164—Sealing arrangements between the door or window and its frame, e.g. intumescent seals specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/08—Fittings for doors and windows of buildings
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Special Wing (AREA)
Abstract
The application relates to a door bottom sealing device, a door and a preparation method thereof, wherein the door bottom sealing device is arranged at the lower end of a door body and comprises a fireproof block, a reinforcing clamping strip, a fireproof sealing strip and a flame-retardant fireproof cloth; fire-retardant fire prevention cloth wrap up in the surface of fire prevention piece, the bottom of fire prevention piece is provided with the plane, the recess of AND gate end adaptation is seted up to fire prevention piece upper surface, consolidate the card strip and be provided with a plurality ofly and the interval inlays to be located in the recess, consolidate the card strip and be the U-shaped form, the fire prevention sealing strip set up in the tank bottom of recess and will consolidate the card strip and compress tightly, consolidate the lower extreme of card strip adaptation joint at the bottom of the door and wrap up at the bottom of the door. The gap on door bottom and ground is filled to the fire prevention piece, and smog and flame are difficult to emerge from the door bottom, and this application has the effectual effect of fire prevention.
Description
Technical Field
The application relates to the field of door bottom sealing, in particular to a door bottom sealing device, a door and a preparation method of the door.
Background
The fireproof door is a door which can meet the requirements of fire-resistant stability, integrity and heat insulation within a certain time, is arranged in places such as fire-resistant subareas, evacuation staircases, vertical shafts and the like, has a fire-resistant partition with certain fire resistance, has the functions of preventing fire spreading and smoke diffusion, can prevent the fire spreading within a certain time and ensures personnel evacuation.
After the installation of the fireproof door is completed, in order to prevent the door from being rubbed with the ground when opening and closing the fireproof door, a certain gap is generally reserved between the door bottom of the fireproof door and the ground, the size of the gap is different from each other, however, when a fire disaster occurs, smoke and flames easily emerge from the gap, and the external air also easily enters a fire disaster area from the gap, so that the fire is spread, and the fireproof effect is poor.
Disclosure of Invention
In order to prevent smoke from being scattered from the bottom of the door and enhance the fireproof effect, the application provides a door bottom sealing device, a door and a preparation method of the door bottom sealing device.
First aspect, the application provides a door end sealing device, adopts following technical scheme:
a door bottom sealing device comprises a fireproof block, a reinforcing clamping strip, a fireproof sealing strip and a flame-retardant fireproof cloth;
fire-retardant fire prevention cloth wrap up in the surface of fire prevention piece, the bottom of fire prevention piece is provided with the plane, the recess of AND gate end adaptation is seted up to fire prevention piece upper surface, consolidate the card strip and be provided with a plurality ofly and the interval inlays to be located in the recess, consolidate the card strip and be the U-shaped form, the fire prevention sealing strip set up in the tank bottom of recess and will consolidate the card strip and compress tightly, consolidate the lower extreme of card strip adaptation joint at the bottom of the door and wrap up at the bottom of the door.
By adopting the technical scheme, the groove on the fireproof block wraps the door bottom, the plane at the bottom of the fireproof block is contacted with the ground, so that a gap between the door bottom and the ground is filled, smoke or flame is not easy to emerge from the gap, the fireproof effect is good, after the fireproof block is wrapped by the flame-retardant fireproof cloth, when the fireproof door is opened and closed, the friction force between the fireproof block and the ground is reduced, the door is more convenient to open and close, the abrasion degree of the plane at the bottom of the fireproof block can be reduced, and the service life of the fireproof block is prolonged; simultaneously, will consolidate in the recess of card strip embedding fire prevention piece after, the structural strength of fire prevention piece has not only been strengthened, it has certain elasticity to consolidate the card strip moreover, can wrap up the lower extreme at the bottom of the door more firmly, and it lays to consolidate the card strip and be the interval, install the fire prevention sealing strip behind the tank bottom of recess, not only prevent to consolidate the card strip and break away from in the recess, and can fill up the gap between two adjacent reinforcement card strips, make the leakproofness between fire prevention piece and the bottom of the door better, thereby make the fire prevention effect better.
Preferably, the thickness of the reinforcing clamping strip is between 0.3 and 0.7 mm, and the reinforcing clamping strip is made of hard metal.
Through adopting above-mentioned technical scheme, when the thickness of consolidating the card strip rains 0.3 millimeter, it is relatively poor to consolidate the structural strength of card strip, can not play good supporting role to the fire prevention piece well, and if consolidate the thickness of card strip and be greater than when 0.7 millimeter, the material quantity of production consolidating the card strip is great, and the cost of manufacture is higher, so consolidate the thickness of card strip and be best between 0.3-0.7 millimeter, and the thin slice-shaped of metal material consolidates the card strip and has good elasticity, can firmly joint on the door bottom.
Preferably, the outer surface of the fireproof block is coated with super glue and is formed with an adhesive layer, and the flame-retardant fireproof cloth is adhered to the outer surface of the fireproof block through the adhesive layer.
Through adopting above-mentioned technical scheme, fire-retardant fire prevention cloth and fire prevention between the piece connected mode simple, firm in connection, the preparation process is simple.
Preferably, the thickness of the flame-retardant fireproof cloth is between 0.1 and 0.4 mm, and the thickness of the fireproof sealing strip is between 1 and 4 mm.
By adopting the technical scheme, if the thickness of the flame-retardant fireproof cloth is less than 0.1 mm, the flame-retardant fireproof cloth is easily worn by the ground, and if the thickness of the flame-retardant fireproof cloth is more than 0.4 mm, the material consumption of the flame-retardant fireproof cloth is large, the production cost is high, and if the thickness of the fireproof sealing strip is less than 1 mm, the gap between two adjacent reinforcing clamping strips cannot be well filled, so that the sealing of the fireproof block is reduced slightly, the fireproof effect is poor, and if the thickness of the fireproof sealing strip is more than 4 mm, the material consumption of the fireproof sealing strip is large, the production cost is high, therefore, the thickness of the flame-retardant fireproof cloth is between 0.1 and 0.4 mm, and the thickness of the fireproof sealing strip is optimal between 1 and 4 mm.
Preferably, the groove bottom of the groove is coated with super glue and is provided with an adhesive layer, and the fireproof sealing strip is adhered to the inside of the fireproof block through the adhesive layer.
Through adopting above-mentioned technical scheme, the connection structure between fire prevention sealing strip and the fire prevention piece is firm, and connected mode is simple, and the preparation process is simple.
Preferably, the fireproof block is made of flexible foam heat insulation rubber, and the sections of the two sides of the fireproof block are semicircular, or the sections of the two sides of the fireproof block are in a shape of a straight triangle.
By adopting the technical scheme, the fireproof block is soft in material, scratches are not easy to scratch on the ground when the fireproof block is in contact with the ground, the fireproof block has good fire resistance, and is not easy to burn out when a fire disaster occurs, and the fireproof effect is good; when the sections of the two sides of the fireproof block are semicircular, if impurities or stones exist on the ground, the arc-shaped surfaces of the two sides of the fireproof block have a certain spacing distance with the ground, and when the door is opened and closed, the impurities or the stones are not easily clamped on the two sides of the fireproof block, so that the two sides of the fireproof block close to the opening end of the groove are not easily torn; the block joint of preventing fires is at the bottom of the door back, and the door bottom has decurrent pressure to the block of preventing fires, and when the cross-section of the block both sides of preventing fires was right angled triangle, the stable in structure of the block bottom both sides of preventing fires was better, makes the block of preventing fires have better bearing capacity, and when the switch door, the both sides that make the block of preventing fires be close to the recess open end are difficult to be torn, and the structure is more stable, firm.
Preferably, a plurality of U-shaped sinking grooves are formed in the groove at intervals, the reinforcing clamping strip is clamped in the sinking grooves, and the upper surface of the horizontal section of the reinforcing clamping strip and the groove bottom of the groove are located on the same horizontal plane.
Through adopting above-mentioned technical scheme, consolidate the card strip and do not imbed heavy inslot, do not have the surface of protrusion in the recess tank bottom to make two intervals of consolidating between the card strip and the tank bottom of recess between have the gap, it is more convenient to fix the fire prevention sealing strip through the super glue, also can further improve the leakproofness between fire prevention piece and the door bottom, and the fire prevention effect is better.
Preferably, the outer surface of the reinforcing clamping strip is provided with spikes at intervals, and the spikes penetrate into the inner side wall and the bottom wall of the groove.
Through adopting above-mentioned technical scheme, the nail thorn has strengthened the structural firmness between consolidating card strip and the fire prevention piece in stabbing the recess in, makes and consolidates and is difficult to break away from each other between card strip and the fire prevention piece, and structural stability and fastness are better.
In a second aspect, the present application provides a door, which adopts the following technical solutions:
a door comprises a door body and the door bottom sealing device, wherein the door bottom sealing device is assembled at the bottom of the door body.
Through adopting above-mentioned technical scheme, on above-mentioned door end sealing device has the basis of above-mentioned a lot of advantages, this door has above-mentioned advantage equally, installs door end sealing device dress in the lower extreme of the door body after, smog is difficult to emerge from the door end, and fire prevention effect is good.
In a third aspect, the present application provides a method for manufacturing a door bottom sealing device, which adopts the following technical scheme:
the preparation method of the door bottom sealing device is used for preparing the door bottom sealing device and specifically comprises the following steps:
the method comprises the following steps: extruding and forming a long-strip-shaped fireproof block by an extruder;
step two: cutting the fireproof block to an appropriate length according to the width of the door;
step three: coating super glue on the outer surface of the fireproof block, and bonding the flame-retardant fireproof cloth on the outer surface of the fireproof block;
step four: embedding a plurality of pre-prepared reinforcing clamping strips in the grooves of the fireproof blocks;
step five: and (3) coating strong glue on the groove bottom of the groove, bonding the fireproof sealing strip in the fireproof block and pressing the reinforcing clamping strip tightly.
By adopting the technical scheme, the door bottom sealing device prepared by the preparation method has the advantages that smoke is not easy to emerge from the door bottom, the fireproof effect is good, and the preparation method is simple in process, convenient to manufacture and low in production cost.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the fireproof block fills the gap between the door bottom and the ground, smoke or flame is not easy to emerge from the gap, the fireproof effect is good, the reinforcing clamping strip enhances the structural strength of the fireproof block, the fireproof sealing strip enhances the sealing property between the door bottom and the fireproof block, the flame-retardant fireproof cloth reduces the friction force between the fireproof block and the ground, and the door is more convenient to open and close;
2. the groove is internally provided with a sinking groove, the reinforcing clamping strip is completely embedded into the sinking groove, the bottom of the groove is a level plane, and the fireproof sealing strip is more convenient to bond;
3. the surface of reinforcing card strip is provided with the nail thorn, and the nail thorn has strengthened the firm in connection nature between reinforcing card strip and the fire prevention piece in stabbing the back in the fire prevention piece, and the fire prevention piece is difficult to break away from each other with reinforcing card strip.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a door bottom sealing device according to the present application.
Fig. 2 is a schematic structural diagram of a second embodiment of the door bottom sealing device according to the present application.
Fig. 3 is a schematic structural diagram of a third embodiment of the door bottom sealing device according to the present application.
Fig. 4 is a schematic structural diagram of a fire-proof block in a third embodiment of the door bottom sealing device of the present application.
FIG. 5 is a flow chart of a method of making a door bottom seal according to the present application.
Description of reference numerals: 1. a fire prevention block; 11. a groove; 111. sinking a groove; 2. reinforcing the clamping strip; 21. nailing; 3. a fire-resistant sealing strip; 4. flame-retardant fireproof cloth; 5. a door body.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a door bottom sealing device.
Example 1
Referring to fig. 1, the door bottom sealing device comprises a fireproof block 1, a reinforcing clamping strip 2, a fireproof sealing strip 3 and a flame-retardant fireproof cloth 4, wherein the fireproof block 1 is made of flexible foam heat-insulating rubber, the cross sections of two sides of the fireproof block 1 are in a straight triangle shape, the cross section of the whole fireproof block 1 is in a trapezoid shape, the length of the lower bottom of the fireproof block 1 is 70-80 mm, the length of the upper bottom of the fireproof block 1 is 40-50 mm, the height of the fireproof block 1 is 30 mm, and four corners of the fireproof block 1 are all designed into an arc shape.
The outer surface coating at fire prevention piece 1 has the powerful glue and is formed with the adhesive linkage, the thickness of tie coat is between 0.08-0.1 millimeter, wherein, the powerful glue specifically is polyurethane adhesive, fire-retardant fire prevention cloth 4 wraps up in fire prevention piece 1's surface through the tie coat that the powerful glue formed, reduce the frictional force between fire prevention piece 1 and the ground, it is more convenient to open and close the door, fire-retardant fire prevention cloth 4's thickness is 0.3 millimeter (in other embodiments, fire-retardant fire prevention cloth 4's thickness still can be 0.1 millimeter, 0.2 millimeter or 0.4 millimeter), fire-retardant fire prevention cloth 4 can select for use the higher glass fibre fire prevention cloth of difficult fire level, basalt fiber fire prevention cloth etc..
The bottom of the fireproof block 1 is designed to be a plane parallel to the ground, the upper surface of the fireproof block 1 is vertically and downwards provided with a groove 11 matched with the bottom of the door, wherein the opening depth of the groove 11 is 23-25 mm, the reinforcing clamping strip 2 is provided with a plurality of grooves 11 which are embedded at intervals, the purpose of enhancing the structural strength of the fireproof block 1 is achieved, the reinforcing clamping strip 2 is integrally fixed in a U shape, the lower surface of the horizontal section of the reinforcing clamping strip 2 is attached to the bottom of the groove 11, the reinforcing clamping strip 2 is made of hard metal and can be specifically a stainless steel clamping strip, the thickness of the reinforcing clamping strip 2 is 0.5 mm (in other embodiments, the thickness of the reinforcing clamping strip 2 can also be 0.3 mm, 0.4 mm, 0.6 mm or 0.7 mm), the top of the flame-retardant fireproof cloth 4 is compressed by the top edges of two vertical sections of the reinforcing clamping strip 2, and the top edges of the flame-retardant fireproof cloth 4 are effectively prevented from being separated from the fireproof block 1, two vertical section adaptation joint of reinforcing card strip 2 are in the both sides of door end lower extreme, and the lower extreme through fire prevention piece 1 wraps up the door end.
The groove bottom of the groove 11 is coated with super glue and forms an adhesive layer, wherein the upper surface of the horizontal section of the reinforcing clamping strip 2 is also coated with super glue and forms an adhesive layer, the thickness of the adhesive layer is between 0.08 and 0.1 millimeter, and the super glue is specifically an epoxy resin adhesive (which can be used for bonding metal and most non-metal materials).
The fireproof sealing strip 3 is laid at the groove bottom of the groove 11 and is bonded in the groove 11 through the bonding layer, one part of the fireproof sealing strip 3 is bonded on the horizontal section of the reinforcing clamping strip 2, the reinforcing clamping strips 2 arranged at a plurality of intervals are compressed, and when the fireproof sealing strip 3 is laid at the interval distance of the two adjacent reinforcing clamping strips 2, the fireproof sealing strip 3 is pressed downwards, so that the other part of the fireproof sealing strip 3 is bonded at the groove bottom of the groove 11.
The thickness of the fireproof sealing strip 3 is 2 mm (in other embodiments, the thickness of the fireproof sealing strip 3 can also be 1 mm, 3 mm or 4 mm), the width of the fireproof sealing strip 3 is consistent with the width of the horizontal section of the reinforcing clamping strip 2, the fireproof sealing strip 3 specifically uses expandable graphite as a main raw material, and when the fireproof sealing strip meets high temperature, the expandable graphite can rapidly expand and seal a gap between the fireproof block 1 and a door bottom, so that the fireproof sealing strip is a good fireproof sealing material for buildings.
The implementation principle of the embodiment 1 is as follows: the groove 11 on the fireproof block 1 wraps the door bottom, the plane at the bottom of the fireproof block 1 is in contact with the ground, so that a gap between the door bottom and the ground is filled, smoke or flame is not easy to emerge from the gap, the fireproof effect is good, and after the fireproof block 1 is wrapped by the flame-retardant fireproof cloth 4, when the fireproof door is opened and closed, the friction force between the fireproof block 1 and the ground is reduced, the door is opened and closed more conveniently, the abrasion degree of the plane at the bottom of the fireproof block 1 can be reduced, and the service life of the fireproof block 1 is prolonged; simultaneously, will consolidate card strip 2 and imbed back in the recess 11 of fire prevention piece 1, the structural strength of fire prevention piece 1 has not only been strengthened, and consolidate card strip 2 and have certain elasticity, can wrap up the lower extreme at the bottom of the door more firmly, and consolidate card strip 2 and be the interval and lay, install fire sealing strip 3 at the tank bottom of recess 11 and will consolidate card strip 2 and compress tightly the back, not only prevent to consolidate card strip 2 and break away from in the recess 11, and can fill up the gap between two adjacent reinforcement card strips 2, make the leakproofness between fire prevention piece 1 and the door bottom better, thereby make the fire prevention effect better.
Example 2
Referring to fig. 2, the present embodiment is different from embodiment 1 in that the fireproof block 1 has a semicircular cross section at both sides, and the cross section of the whole fireproof block 1 has an elliptical cross section.
The implementation principle of the embodiment 2 is as follows: when the cross-section of 1 both sides of fire prevention piece is the semicircle form, if when subaerial impurity or stone, the arcwall face and the ground of 1 both sides of fire prevention piece have certain spacing distance, when the switch door, impurity or stone are difficult to the card in the both sides of fire prevention piece 1, make the both sides that fire prevention piece 1 is close to recess 11 open end be difficult to torn open.
Example 3
Referring to fig. 3 and 4, the difference between this embodiment and embodiment 1 is that a plurality of U-shaped sinking grooves 111 are formed in the groove 11 at intervals, the depth of the sinking groove 111 is equal to the thickness of the reinforcing clip strip 2, that is, 0.5 mm, the reinforcing clip strip 2 is adapted to be embedded and clamped in the sinking groove 111, the upper surface of the horizontal section of the reinforcing clip strip 2 and the groove bottom of the groove 11 are on the same horizontal plane, spikes 21 are formed at intervals on the outer surface of the reinforcing clip strip 2, wherein the spikes 21 are integrally formed and fixed with the outer surface of the reinforcing clip strip 2, and the spikes 21 pierce the inner side wall and the bottom wall of the groove 11.
The implementation principle of the embodiment 3 is as follows: consolidate in the heavy groove 111 of 2 embedding of card strip, do not have the surface of protrusion in recess 11 tank bottoms, thereby make two intervals between consolidating card strip 2 and the tank bottom of recess 11 between not have the gap, it is more convenient to fix fire-proof sealing strip 3 through the powerful glue, also can further improve the leakproofness between the fire prevention piece 1 and the bottom of the door, the fire prevention effect is better, and the nail thorn 21 pierces back in the recess 11, the structural firmness between consolidating card strip 2 and the fire prevention piece 1 has been strengthened, make and consolidate and block 2 and prevent being difficult to break away from each other between the piece 1, structural stability and fastness are better.
The embodiment of the application also discloses a door. Referring to fig. 1, the door includes a door body 5 and a door bottom sealing device as described above, which is mounted on the bottom of the door body 5.
The implementation principle of a door of the embodiment of the application is as follows: after the door bottom sealing device is arranged at the bottom of the door body 5, a large gap does not exist between the lower end of the door body 5 and the ground, smoke and flames are not easy to emerge from the bottom of the door when a fire disaster happens, and the fireproof effect is good.
The embodiment of the present application further discloses a method for manufacturing a door bottom sealing device, referring to fig. 1 and 5, the method for manufacturing a door bottom sealing device is used for manufacturing the door bottom sealing device, and the method specifically includes the following steps:
step S1: extruding and forming a long-strip-shaped fireproof block 1 by an extruder;
step S2: cutting the fireproof block 1 to an appropriate length according to the width of the door;
step S3: coating super glue on the outer surface of the fireproof block 1, and bonding the flame-retardant fireproof cloth 4 on the outer surface of the fireproof block 1;
step S4: embedding a plurality of pre-prepared reinforcing clamping strips 2 in the grooves 11 of the fireproof block 1;
step S5: and (3) coating strong glue on the bottom of the groove 11, bonding the fireproof sealing strip 3 in the fireproof block 1 and pressing the reinforcing clamping strip 2 tightly.
The door bottom sealing device prepared by the preparation method can ensure that smoke does not easily emerge from the door bottom, has good fireproof effect, and has simple preparation process and convenient production.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A door bottom sealing device, characterized in that: comprises a fireproof block (1), a reinforcing clamping strip (2), a fireproof sealing strip (3) and a flame-retardant fireproof cloth (4);
fire-retardant fire prevention cloth (4) wrap up in the surface of fire prevention piece (1), the bottom of fire prevention piece (1) is provided with the plane, recess (11) with the door end adaptation are seted up to fire prevention piece (1) upper surface, consolidate card strip (2) and be provided with a plurality of and the interval inlays to be located in recess (11), consolidate card strip (2) and be the U-shaped form, fire-resistant seal strip (3) set up in the tank bottom of recess (11) and will consolidate card strip (2) and compress tightly, consolidate card strip (2) adaptation joint in the lower extreme at the bottom of the door and live the door end parcel.
2. The door bottom seal according to claim 1, wherein: the thickness of the reinforcing clamping strip (2) is 0.3-0.7 mm, and the reinforcing clamping strip (2) is made of hard metal.
3. The door bottom seal according to claim 1, wherein: the outer surface coating of fire prevention piece (1) has the powerful glue and is formed with the adhesive linkage, fire-retardant fire prevention cloth (4) pass through the adhesive linkage bond in the surface of fire prevention piece (1).
4. The door bottom seal according to claim 3, wherein: the thickness of the flame-retardant fireproof cloth (4) is between 0.1 and 0.4 millimeter, and the thickness of the fireproof sealing strip (3) is between 1 and 4 millimeters.
5. The door bottom seal according to claim 1, wherein: the slot bottom coating of recess (11) has the super glue and is formed with the adhesive linkage, fire prevention sealing strip (3) through the adhesive linkage bond in fire prevention piece (1).
6. The door bottom seal according to claim 1, wherein: the fireproof block (1) is made of flexible foam heat insulation rubber, the sections of the two sides of the fireproof block (1) are semicircular, or the sections of the two sides of the fireproof block (1) are in a shape of a straight triangle.
7. The door bottom seal according to claim 1, wherein: spaced apart heavy groove (111) that are equipped with a plurality of U-shapes in recess (11), consolidate card strip (2) joint in heavy groove (111), just consolidate the upper surface of the horizontal segment of card strip (2) with the tank bottom of recess (11) is in on the same horizontal plane.
8. The door bottom seal according to claim 1, wherein: the outer surface interval of reinforcing card strip (2) is provided with nail thorn (21), nail thorn (21) pierce the inside wall and the diapire of recess (11).
9. A door, characterized in that: comprising a door body (5) and a door bottom sealing device according to any one of claims 1-8, which is fitted to the bottom of the door body (5).
10. A preparation method of a door bottom sealing device is characterized by comprising the following steps: for the preparation of a door bottom seal according to any one of claims 1 to 8, the preparation method comprising in particular the following steps:
the method comprises the following steps: extruding and forming a long fireproof block (1) by an extruder;
step two: cutting the fireproof block (1) to an appropriate length according to the width of the door;
step three: coating strong glue on the outer surface of the fireproof block (1), and bonding the flame-retardant fireproof cloth (4) on the outer surface of the fireproof block (1);
step four: embedding a plurality of pre-prepared reinforcing clamping strips (2) in the grooves (11) of the fireproof block (1);
step five: and (3) coating strong glue on the bottom of the groove (11), bonding the fireproof sealing strip (3) in the fireproof block (1) and pressing the reinforcing clamping strip (2) tightly.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010657260.1A CN111749591A (en) | 2020-07-09 | 2020-07-09 | Door bottom sealing device, door and preparation method of door |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010657260.1A CN111749591A (en) | 2020-07-09 | 2020-07-09 | Door bottom sealing device, door and preparation method of door |
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| CN111749591A true CN111749591A (en) | 2020-10-09 |
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| CN202010657260.1A Pending CN111749591A (en) | 2020-07-09 | 2020-07-09 | Door bottom sealing device, door and preparation method of door |
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| CN212454155U (en) * | 2020-07-09 | 2021-02-02 | 李密峰 | Door bottom sealing device and door |
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| US20020062597A1 (en) * | 2000-11-29 | 2002-05-30 | Steve Heroux | Removable draft excluder device |
| CN2934828Y (en) * | 2006-07-26 | 2007-08-15 | 刘朋坤 | Plastic chape with barb at outside of chape leg |
| CN201486431U (en) * | 2009-07-27 | 2010-05-26 | 黄宏飞 | Expansion-resistance portable door sealer |
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