Plastic-coated sealing strip

Abstract

The utility model discloses a plastic-coated sealing strip, which comprises a sealing strip main body and a plastic coating film, the plastic coating film is coated on the outer side of the sealing strip main body, the sealing strip main body comprises a clamping part and a sealing end part, and the clamping part is arranged on the bottom side of the sealing end part, so that the clamping convenience and the sealing performance of the installation of the clamping part are improved; compared with the mode that a supporting keel is installed in the clamping position, the situation that the overall sealing strip is loosened due to the fact that the keel structure is broken can be avoided, the overall strength of the clamping part can be improved, the situation that deformation is caused due to long-time extrusion and collision is avoided, and the situation that abrasion is caused due to long-time rainwater erosion is avoided, the toughness of the clamping part is improved through a tensile fiber layer, and the service life of the sealing strip is prolonged. And the situation that the strength of the clamping part is reduced due to long-time extrusion and vibration, and the clamping part falls off from the mounting groove of the door and window is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing strips, in particular to a plastic-coated sealing strip. Background Art

[0002] Corresponding sealing devices are provided on the doors and windows of buildings to achieve a tight closure on both sides of the doors and windows. Such sealing devices are mainly strip-shaped sealing strips. Conventional sealing strips have a hollow cavity and a rectangular or triangular cross-section. During use, due to the material and elasticity of the sealing strip itself, it deforms after being subjected to external pressure, shrinks into the cavity, presses the contact surface, and seals the doors and windows of the building.

[0003] In the prior art, application number 202020954935.4 discloses a coated door and window sealing strip, comprising a coating film, an elastic foam body, and a clip-on frame, wherein the outer surface of the elastic foam body is covered with a coating film, and the bottom of the elastic foam body is provided with a clip-on frame, and the coating film, the elastic foam body, and the clip-on frame are all strip profiles; the above structure arranges a clip-on frame at the bottom of the elastic foam body, which reduces the overall toughness, and it is easy for the clip-on frame to break, causing the overall sealing strip to fall off from the external card slot of the window frame, and long-term bonding and fixation in the external card slot of the window frame is easy to cause the waterproof effect and adhesion to be reduced due to rain and direct sunlight.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related art, the utility model provides a plastic-coated sealing strip to overcome the above technical problems existing in the existing related art.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A plastic-coated sealing strip comprises a sealing strip body and a plastic coating film, wherein the plastic coating film is coated on the outside of the sealing strip body, and the sealing strip body comprises a clamping portion and a sealing end portion, wherein the clamping portion is arranged on the bottom side of the sealing end portion.

[0008] Preferably, the clamping portion is a convex structure, and U-shaped grooves are symmetrically excavated on left and right sides of the clamping portion, and supporting liners are respectively embedded and fixed on both sides of the cross section of the clamping portion.

[0009] Preferably, the cross section of the sealing end is a C-shaped structure, and the bottom opening extends horizontally to both sides. A through opening is provided below the wall cavity of the sealing end, and plastic lattices are equidistantly connected between the inner walls of the through opening.

[0010] Preferably, the supporting liner comprises a first U-shaped pad and a second U-shaped pad, the second U-shaped pad is coated on the outside of the first U-shaped pad, and the first U-shaped pad and the second U-shaped pad are mixed and formed with the sealing strip body.

[0011] Preferably, the supporting liners are respectively located in the wall cavity of the clamping portion and at the upper and lower positions of the U-shaped groove.

[0012] Preferably, the second U-shaped pad includes a corrosion-resistant layer and a tensile fiber layer, the tensile fiber layer is coated on the outside of the corrosion-resistant layer, and the outside of the tensile fiber layer is coated with a rubber film.

[0013] The beneficial effects of the utility model are: improving the convenience of installation of the clamping part and the sealing of the installation. Compared with installing the supporting keel in the clamping position, it can avoid the breakage of the keel structure causing the loosening of the overall sealing strip, and can improve the overall strength of the clamping part, avoid deformation caused by long-term squeezing and collision, avoid wear caused by long-term erosion by rainwater, and the tensile fiber layer improves the toughness of the clamping part, avoiding the decrease in strength of the clamping part due to long-term squeezing and vibration, resulting in the clamping part falling off from the installation groove of the door and window. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of a plastic-coated sealing strip according to an embodiment of the utility model;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of a sealing strip body of a plastic-coated sealing strip according to an embodiment of the utility model;

[0017] Figure 3 The figure is a schematic cross-sectional structure diagram of a support liner of a plastic-coated sealing strip according to an embodiment of the utility model.

[0018] In the figure:

[0019] 1. Sealing strip body; 2. Plastic coating film; 3. Snap-on part; 4. Sealing end; 5. U-shaped groove; 6. Support lining; 7. Through hole; 8. Plastic grating; 9. First U-shaped pad; 10. Second U-shaped pad; 11. Corrosion-resistant layer; 12. Tensile fiber layer; 13. Rubber film. DETAILED DESCRIPTION

[0020] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0021] According to an embodiment of the utility model, a plastic-coated sealing strip is provided.

[0022] Embodiment 1

[0023] like Figure 1-3 As shown, a plastic-coated sealing strip according to an embodiment of the utility model comprises a sealing strip body 1 and a plastic coating film 2, wherein the plastic coating film 2 is coated on the outside of the sealing strip body 1, and the sealing strip body 1 comprises a clamping portion 3 and a sealing end portion 4, wherein the clamping portion 3 is arranged at the bottom side of the sealing end portion 4, the clamping portion 3 is specifically a convex structure, and U-shaped grooves 5 are symmetrically dug on the left and right sides of the clamping portion 3, and supporting liners 6 are respectively embedded and fixed on both sides of the cross section of the clamping portion 3, and the cross section of the sealing end portion 4 is specifically a C-shaped structure, and the bottom opening extends horizontally to both sides, and a through hole 7 is provided below the wall cavity of the sealing end portion 4, and the through hole 7 Plastic lattice strips 8 are equidistantly connected between the inner walls. By equidistantly arranging the plastic lattice strips 8 inside the through opening 7 of the sealing strip main body 1, the toughness strength of the sealing end 4 can be further improved to avoid collapse and severe deformation after long-term use. U-shaped grooves 5 are respectively arranged on both sides of the clamping part 3. After the clamping part 3 is installed in the clamping groove of the door and window, the convenience of installation and the sealing of the clamping part 3 can be improved through the setting of the U-shaped groove 5. Compared with installing the supporting keel in the clamping position, the breakage of the keel structure causing the loosening of the overall sealing strip can be avoided.

[0024] Embodiment 2

[0025] like Figure 1-3 As shown, a plastic-coated sealing strip according to an embodiment of the utility model includes a sealing strip body 1 and a plastic coating film 2, wherein the plastic coating film 2 is coated on the outside of the sealing strip body 1, the sealing strip body 1 includes a clamping portion 3 and a sealing end portion 4, the clamping portion 3 is arranged on the bottom side of the sealing end portion 4, the supporting lining 6 includes a first U-shaped pad 9 and a second U-shaped pad 10, the second U-shaped pad 10 is coated on the outside of the first U-shaped pad 9, the first U-shaped pad 9 and the second U-shaped pad 10 are mixed and formed with the sealing strip body 1, the supporting lining 6 is respectively located in the wall cavity of the clamping portion 3, and at the upper and lower positions of the U-shaped groove 5, by arranging the first U-shaped pad 9 and the second U-shaped pad 10, the overall strength of the clamping portion 3 can be improved to avoid deformation due to long-term extrusion and collision.

[0026] Embodiment 3

[0027] like Figure 1-3 As shown, a plastic-coated sealing strip according to an embodiment of the utility model includes a sealing strip body 1 and a plastic coating film 2, wherein the plastic coating film 2 is coated on the outside of the sealing strip body 1, the sealing strip body 1 includes a clamping portion 3 and a sealing end portion 4, the clamping portion 3 is arranged on the bottom side of the sealing end portion 4, the second U-shaped pad 10 includes a corrosion-resistant layer 11 and a tensile fiber layer 12, the tensile fiber layer 12 is coated on the outside of the corrosion-resistant layer 11, and the outside of the tensile fiber layer 12 is coated with a rubber film 13, the second U-shaped pad 10 is composed of the corrosion-resistant layer 11 and the tensile fiber layer 12, which can further improve the service life of the clamping portion 3 and avoid the situation where it is eroded and worn by rain for a long time, the tensile fiber layer 12 improves the toughness of the clamping portion 3 and avoids the situation where the strength of the clamping portion 3 decreases due to long-term extrusion and vibration, resulting in the clamping portion 3 falling off from the mounting groove of the door and window.

[0028] In summary, with the aid of the above-mentioned technical scheme of the utility model, when this device is in use, by equidistantly arranging plastic lattices 8 inside the through opening 7 of the sealing strip main body 1, the toughness strength of the sealing end 4 can be further improved, and after the clamping part 3 is installed in the clamping groove of the door and window, the convenience of installation and the sealing of the clamping part 3 can be improved through the setting of the U-shaped groove 5. By setting the first U-shaped pad 9 and the second U-shaped pad 10, the overall strength of the clamping part 3 can be improved. The second U-shaped pad 10 is composed of a corrosion-resistant layer 11 and a tensile fiber layer 12, which can further improve the service life of the clamping part 3, and the tensile fiber layer 12 improves the toughness of the clamping part 3.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A plastic-coated sealing strip, comprising a sealing strip body (1) and a plastic coating film (2), characterized in that: The plastic coating film (2) is coated on the outside of the sealing strip body (1). The sealing strip body (1) comprises a clamping portion (3) and a sealing end portion (4). The clamping portion (3) is arranged on the bottom side of the sealing end portion (4). The clamping portion (3) is specifically a convex structure, and U-shaped grooves (5) are symmetrically excavated on the left and right sides of the clamping portion (3). Support liners (6) are respectively embedded and fixed on both sides of the cross section of the clamping portion (3). The cross section of the sealing end portion (4) is specifically a C-shaped structure, and the bottom opening extends horizontally to both sides. A through hole (7) is provided below the wall cavity of the sealing end portion (4), and plastic lattice strips (8) are equidistantly connected between the inner walls of the through hole (7).

2. The plastic-coated sealing strip according to claim 1, characterized in that: The supporting liner (6) comprises a first U-shaped pad (9) and a second U-shaped pad (10), wherein the second U-shaped pad (10) is coated on the outside of the first U-shaped pad (9), and the first U-shaped pad (9) and the second U-shaped pad (10) are mixed and formed with the sealing strip body (1).

3. The plastic-coated sealing strip according to claim 2, characterized in that: The supporting liners (6) are respectively located in the wall cavity of the clamping portion (3) and at upper and lower positions of the U-shaped groove (5).

4. The plastic-coated sealing strip according to claim 3, characterized in that: The second U-shaped pad (10) comprises a corrosion-resistant layer (11) and a tensile fiber layer (12), wherein the tensile fiber layer (12) is coated on the outside of the corrosion-resistant layer (11), and the outside of the tensile fiber layer (12) is coated with a rubber film (13).

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