Porous high-elongation roller shear stretching wing type metal framework and sealing strip

Abstract

The utility model provides a porous high-extension roller shear stretching wing type metal framework and a sealing strip. The metal framework comprises a base body, the base body extends in the first direction, a plurality of tooth wings arranged in the first direction are symmetrically arranged on the two sides of the base body, and edge notches are formed between the adjacent tooth wings; the multiple penetrating units are arranged on the base body in the second direction, and the second direction is perpendicular to the first direction; each penetrating unit comprises a plurality of pairs of wing-shaped notches arranged in the first direction, the wing-shaped notches of the adjacent penetrating units are arranged in a staggered mode in the first direction to form a bridging structure, and the wing-shaped notches located in the edge of the base body are formed in the tooth wings and correspond to the tooth wings in a one-to-one mode. The metal framework provided by the utility model can be tightly combined with a plastic material when the metal framework and the plastic material form the sealing strip, and meanwhile, the metal framework can also have tensile strength and relatively good shaping performance.

Description

Technical Field

[0001] The present disclosure generally relates to the technical field of metal frames, and in particular to a porous high-elongation rolling-shear stretching airfoil metal frame and a sealing strip. Background Art

[0002] Sealing strips are installed in engine compartments, luggage compartments, and door openings in vehicles, ships, and aircraft. For example, automotive sealing strips primarily consist of a metal frame surrounded by a plastic sealant. Before or after being wrapped with the sealant, the metal frame is bent into a U-shaped clamping structure that clamps onto the sealing flange of the opening, providing support and minimizing deformation of the seal. For example, the inner and outer water-cut seals and glass run channel seals of automotive doors are traditionally made using a steel strip as the metal frame. The plastic sealant is then bonded to the steel strip via a coating to form the seal.

[0003] The utility model patent with the authorization announcement CN 214647512 U discloses a high-extension airfoil rolled-shear stretched aluminum strip and sealing strip. The aluminum strip is used as a metal skeleton. By opening a central cut and airfoil cuts on the aluminum strip, the aluminum strip can absorb and wrap more plastic material, increasing the adhesion between the skeleton and the rubber. However, the large number of cuts results in low production efficiency of a single aluminum strip on the one hand, and poor lateral tensile strength of the aluminum strip on the other hand. Utility Model Content

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide a porous high-elongation rolling shear stretch airfoil metal skeleton and a sealing strip to solve the above-mentioned problems.

[0005] In a first aspect, the present application provides a porous high-extension rolling shear stretch airfoil metal skeleton, comprising:

[0006] A base body extending along a first direction, with a plurality of tooth wings symmetrically arranged along the first direction on both sides of the base body, and edge cuts formed between adjacent tooth wings;

[0007] A plurality of penetration units are arranged on the base along a second direction, wherein the second direction is perpendicular to the first direction; the penetration units include a plurality of pairs of wing-shaped cutouts arranged along the first direction, the wing-shaped cutouts of adjacent penetration units are staggered in the first direction to form a bridging structure, and the wing-shaped cutouts at the edge of the base are arranged on the tooth wings and correspond one-to-one to the tooth wings.

[0008] According to the technical solution provided in the embodiment of the present application, the perforation unit includes:

[0009] A plurality of central cutouts are arranged along the first direction, and each central cutout is arranged between a pair of the wing-shaped cutouts.

[0010] According to the technical solution provided in the embodiment of the present application, the penetration unit further includes:

[0011] A plurality of transition cuts are arranged along the first direction, the transition cuts are arranged between the airfoil cuts and the center cuts, and the transition cuts are staggered with the adjacent airfoil cuts and the center cuts in the first direction so that the transition cuts form bridge structures with the airfoil cuts and the center cuts respectively.

[0012] According to the technical solution provided in the embodiment of the present application, the width of the tooth wing gradually decreases from close to the axis of the base to away from the axis of the base, and the edge cutout correspondingly presents a V-shaped structure.

[0013] According to the technical solution provided in the embodiment of the present application, the wing-shaped cutout has a diamond structure, and the side away from the central cutout is stretched outward in a direction away from the central cutout.

[0014] According to the technical solution provided in the embodiment of the present application, the central incision and the transition incision are hexagonal structures, the adjacent sides of the transition incision and the wing-shaped incision are parallel to each other, and the adjacent sides of the transition incision and the central incision are parallel to each other.

[0015] A second aspect of the present application provides a sealing strip comprising the porous high-elongation rolled-shear-stretched airfoil metal frame as described above, and a sealing material wrapped around the outside of the metal frame.

[0016] According to the technical solution provided in the embodiment of the present application, the sealing material is made of plastic.

[0017] Compared with the prior art, the beneficial effects of the present application are: by symmetrically arranging multiple tooth wings on both sides of the base, and forming edge cuts between the tooth wings, the plastic material can pass through the edge cuts and fill the edge cuts when making the sealing strip, thereby making the edge of the metal frame and the plastic material more firmly bonded; by arranging multiple penetration units on the base, the penetration units include several pairs of wing-shaped cuts, so that when making the sealing strip, the plastic material can be firmly connected to the base by passing through the wing-shaped cuts, without the need for additional bonding, and the wing-shaped cuts can reduce the application of base material and save production costs; by staggering the wing-shaped cuts in adjacent penetration units, the staggered wing-shaped cuts form multiple bridging structures, and the bridging structures have excellent tensile strength and shaping properties. Since multiple penetration units are arranged on the base, the tensile strength and shaping properties of the metal frame are improved by adding the bridging structure, and multiple metal frames can be obtained by producing a metal frame including multiple penetration units and then cutting them, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Other features, objects and advantages of the present application will become more apparent upon reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0019] Figure 1 This is a schematic diagram of the structure of the porous high-extension rolling shear stretch airfoil metal skeleton provided in this application;

[0020] Figure 2 for Figure 1 Schematic diagram of the cutting position of the metal skeleton shown.

[0021] Figure numbers: 1, base; 2, tooth wing; 3, edge cut; 4, airfoil cut; 5, center cut; 6, transition cut. DETAILED DESCRIPTION

[0022] The present application will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely for the purpose of explaining the relevant invention and are not intended to limit the invention. It should also be noted that, for ease of description, only portions relevant to the invention are shown in the accompanying drawings.

[0023] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0024] Example 1

[0025] Please refer to Figure 1 This embodiment provides a porous high-elongation rolling shear stretching airfoil metal skeleton, comprising:

[0026] A base 1 extending along a first direction, with a plurality of tooth wings 2 symmetrically arranged along the first direction on both sides of the base 1, and edge cutouts 3 formed between adjacent tooth wings 2;

[0027] Multiple penetration units, multiple penetration units are arranged on the base 1 along a second direction, and the second direction is perpendicular to the first direction; the penetration units include several pairs of wing-shaped cutouts 4 arranged along the first direction, and the wing-shaped cutouts 4 of adjacent penetration units are staggered in the first direction to form a bridging structure, and the wing-shaped cutouts 4 at the edge of the base 1 are provided on the tooth wings 2 and correspond one-to-one with the tooth wings 2.

[0028] Specifically, the substrate 1 is a metal sheet, and the first direction is Figure 1 The vertical direction in the second direction is Figure 1In the horizontal direction, the tooth wings 2 are formed at the edge of the base 1 and extend outward. The arrangement of the tooth wings 2 facilitates shaping the edge of the metal frame. Edge notches 3 are cut between adjacent tooth wings 2. These edge notches 3 allow plastic material to pass through when making the sealing strip, and the plastic material fills the edge notches 3, thereby strengthening the bond between the edge of the metal frame and the plastic material.

[0029] The base 1 is provided with a plurality of penetration units, which are arranged along the second direction. The penetration units include several pairs of wing-shaped cutouts 4, which penetrate the base 1 and extend along the second direction. When making the sealing strip, the plastic material can pass through the wing-shaped cutouts 4 and adhere to both sides of the base 1, thereby being more tightly connected to the base 1 without the need for an additional glue coating. That is, the wing-shaped cutouts 4 serve as an area on the base 1 for reinforcement with the plastic material. Among the two adjacent penetration units, the wing-shaped cutouts 4 in one of the penetration units extend into between the two adjacent wing-shaped cutouts 4 in the other penetration unit, so that the wing-shaped cutouts 4 of the adjacent penetration units are arranged in an alternating manner, and the adjacent wing-shaped cutouts 4 and the base 1 between the two form a bridging structure. When the metal skeleton is stretched, the bridging structure can effectively improve the tensile strength of the metal skeleton. Since a bridging structure is formed between every two adjacent penetration units, and a plurality of penetration units are arranged on the base 1, the metal skeleton provided in this embodiment is provided with a plurality of groups of bridging structures arranged along the second direction, which can greatly improve the tensile strength of the metal skeleton. The bridging structure formed on the base 1 has a smaller rebound degree and stronger shaping performance than the base 1 without a hole, so that the metal skeleton is easier to bend into different shapes and not easy to rebound to adapt to the production of sealing strips of different shapes. In addition, the opening of the wing-shaped cutouts 4 can also reduce the material used in the base 1 and save production costs.

[0030] The wing-shaped cutout 4 on one side of the penetrating unit at the edge of the base 1 is opened on the tooth wing 2 so that when making the sealing strip, the extruded plastic material can pass through the tooth wing 2 through the wing-shaped cutout 4, thereby preventing the plastic material from squeezing the tooth wing 2 and causing the tooth wing 2 with good plasticity to bend.

[0031] Furthermore, the penetration unit further includes:

[0032] A plurality of central cutouts 5 are arranged along the first direction, and each central cutout 5 is provided between a pair of the wing-shaped cutouts 4 .

[0033] Specifically, the central incision 5 passes through the base 1, and multiple central incisions 5 are arranged between several pairs of the wing-shaped incisions 4. The total number of the central incisions 5 in each penetration unit is equal to the total number of pairs of the wing-shaped incisions 4. Each central incision 5 is arranged between a pair of the wing-shaped incisions 4. The central incision 5 is used to increase the number of openings on the base 1, thereby increasing the reinforced area between the sealing strip and the plastic material when making the sealing strip, thereby compensating for the problem of loose connection of the plastic material between the pair of the wing-shaped incisions 4.

[0034] Furthermore, the penetration unit further includes:

[0035] A plurality of transition cuts 6 are arranged along the first direction, the transition cuts 6 are arranged between the airfoil cuts 4 and the center cuts 5, and the transition cuts 6 are staggered with the adjacent airfoil cuts 4 and the center cuts 5 in the first direction so that the transition cuts 6 form a bridging structure with the airfoil cuts 4 and the center cuts 5 respectively.

[0036] Specifically, the transition cut 6 passes through the base 1, and the transition cut 6 is used to further increase the reinforced area between the plastic material and improve the connection strength between the metal skeleton and the plastic material; in the penetration unit, the transition cut 6 is arranged between the central cut 5 and the wing-shaped cut 4, and the transition cut 6 is staggered with the central cut 5 and the wing-shaped cut 4 in the first direction, so that the transition cut 6 and the wing-shaped cut 4 form a bridging structure with the base 1 between the two, and the transition cut 6 and the central cut 5 also form a bridging structure with the base 1 between the two. By increasing the number of bridging structures, the tensile strength and shaping performance of the metal skeleton are further improved, and the production cost can also be further reduced.

[0037] Specifically, such as Figure 1 As shown, Figure 1 The base 1 is provided with three groups of penetration units. In practice, when the metal skeleton is produced, the penetration units are not limited to three, but can also be set to two or more than three. Adjacent penetration units are staggered. For example, a metal skeleton including three penetration units is provided. Figure 2 Cutting the metal skeleton at the dotted line in the figure can achieve the purpose of cutting the metal skeleton into three metal skeletons, including a metal skeleton with a penetration unit on each side and a metal skeleton of another type in the middle. The metal skeletons on both sides after cutting have a similar structure to the metal skeleton before cutting, except for the number of penetration units. The cut metal skeletons can be used to produce sealing strips of different sizes. The metal skeleton provided in this embodiment can be cut to obtain more metal skeletons, which can effectively improve production efficiency.

[0038] Furthermore, the width of the tooth wing 2 gradually decreases from close to the axis of the base body 1 to away from the axis of the base body 1, and the edge cutout 3 is correspondingly in a V-shaped structure.

[0039] Specifically, the axis of the base 1 extends along the first direction. By setting the tooth wing 2 to a gradient width, the tooth wing 2 extends outward to facilitate shaping the edge of the base 1. At the same time, the structural strength of the position where the tooth wing 2 is connected to the main body of the base 1 is higher, thereby preventing the tooth wing 2 from being torn off.

[0040] Furthermore, the wing-shaped cutout 4 has a diamond-shaped structure, and the side away from the central cutout 5 is stretched and extended in a direction away from the central cutout 5 .

[0041] Specifically, stretching one side of the diamond-shaped wing-shaped cutout 4 to form a flat structure has two advantages. On the one hand, the wing-shaped cutout 4 can be adapted to the shape of the tooth wing 2, and the flat shape saves the occupied position along the first direction, so that more wing-shaped cutouts 4 can be set on the base 1; on the other hand, when the wing-shaped cutouts 4 of adjacent through-units are staggered, the wing-shaped cutouts 4 of one of the through-units can be more conveniently inserted between two adjacent wing-shaped cutouts 4 in another building entrance unit, saving the space occupied by the wing-shaped cutouts 4 in the second direction when they are staggered, so that more through-units can be set on the base 1.

[0042] Furthermore, the central cutout 5 and the transition cutout 6 are hexagonal in structure, the sides of the transition cutout 6 adjacent to the wing-shaped cutout 4 are parallel to each other, and the sides of the transition cutout 6 adjacent to the central cutout 5 are parallel to each other.

[0043] Specifically, by arranging the center cut 5 and the transition cut 6 into a hexagon, when the wing-shaped cut 4, the center cut 5 and the transition cut 6 are arranged, the transition cut 6 and the adjacent edges of the surrounding center cuts 5 and the wing-shaped cuts 4 are parallel to each other. In this embodiment, the distance between each transition cut 6 and the wing-shaped cut 4 is equal, and the distance between each transition cut 6 and the center cut 5 is equal, so that the bridging structure formed on the base 1 is exactly the same, ensuring that the position performance of each bridging structure is consistent.

[0044] Example 2

[0045] This embodiment provides a sealing strip, comprising the porous high-elongation rolled-shear-stretched airfoil metal skeleton as described in Example 1, and a sealing material wrapped around the outside of the metal skeleton.

[0046] Furthermore, the sealing material is made of plastic.

[0047] Specifically, the plastic material is preferably EPDM rubber, but other rubbers may also be used.

[0048] The above description is merely a preferred embodiment of the present application and an illustration of the technical principles employed. Those skilled in the art should understand that the scope of the invention herein is not limited to the technical solutions formed by the specific combination of the above-mentioned technical features, but also encompasses other technical solutions formed by any combination of the above-mentioned technical features or their equivalents without departing from the inventive concept. For example, a technical solution formed by replacing the above-mentioned features with (but not limited to) technical features having similar functions disclosed in this application.

Claims

1. A porous high-extension rolling shear stretching airfoil metal skeleton, characterized in that: include: A base (1), the base (1) extending along a first direction, a plurality of tooth wings (2) arranged along the first direction being symmetrically provided on both sides of the base (1), and edge cuts (3) being formed between adjacent tooth wings (2); A plurality of penetration units are arranged on the base (1) along a second direction, wherein the second direction is perpendicular to the first direction; the penetration units include a plurality of pairs of wing-shaped cutouts (4) arranged along the first direction, the wing-shaped cutouts (4) of adjacent penetration units are staggered in the first direction to form a bridging structure, and the wing-shaped cutouts (4) at the edge of the base (1) are arranged on the tooth wings (2) and correspond one-to-one with the tooth wings (2).

2. The porous high-extension rolling shear stretching airfoil metal skeleton according to claim 1 is characterized in that: The penetration unit further comprises: A plurality of central cutouts (5), wherein the plurality of central cutouts (5) are arranged along the first direction, and each central cutout (5) is provided between a pair of the wing-shaped cutouts (4).

3. The porous high-extension rolling shear stretching airfoil metal skeleton according to claim 2 is characterized in that: The penetration unit further comprises: A plurality of transition cuts (6), wherein the plurality of transition cuts (6) are arranged along the first direction, the transition cuts (6) are arranged between the wing-shaped cuts (4) and the center cuts (5), and the transition cuts (6) are staggered with the adjacent wing-shaped cuts (4) and the center cuts (5) in the first direction so that the transition cuts (6) form bridge structures with the wing-shaped cuts (4) and the center cuts (5).

4. The porous high-extension rolling shear stretching airfoil metal skeleton according to claim 3 is characterized in that: The width of the tooth wing (2) gradually decreases from the direction close to the axis of the base body (1) to the direction away from the axis of the base body (1), and the edge cutout (3) is correspondingly in a V-shaped structure.

5. The porous high-extension rolling shear stretching airfoil metal skeleton according to claim 4 is characterized in that: The wing-shaped cutout (4) has a diamond-shaped structure, and a side away from the central cutout (5) is stretched outward in a direction away from the central cutout (5).

6. The porous high-extension rolling shear stretching airfoil metal skeleton according to claim 5 is characterized in that: The central incision (5) and the transition incision (6) are in a hexagonal structure, the edges of the transition incision (6) and the wing-shaped incision (4) are parallel to each other, and the edges of the transition incision (6) and the central incision (5) are parallel to each other.

7. A sealing strip, characterized in that: It comprises the porous high-extension rolling-shear stretching airfoil metal skeleton as described in any one of claims 1 to 6, and a sealing material wrapped around the outside of the metal skeleton.

8. The sealing strip according to claim 7, characterized in that: The sealing material is made of plastic.

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