gasket

Abstract

The utility model discloses a sealing gasket relates to door bottom sealing technical field, sealing gasket includes installation portion and at least two clamping parts, and one side of installation portion is equipped with sealing element, and sealing element is used for sealing the clearance of door bottom, two clamping parts are connected to the one side of installation portion away from sealing element at intervals, and at least two clamping parts are used to form the clamping groove with installation portion, to hold the door body, wherein, the elastic modulus of at least partial clamping part is less than the elastic modulus of installation portion, and clamping part includes the connecting section and clamping section of angle connection, and the connecting section is connected to installation portion, and the clamping section is connected to the one end of connecting section away from installation portion, and the connecting section is structured as the main area of deformation when holding the door body, to make clamping section can open outwards and be elastically held in the both sides of door body, and installation portion keeps flat to avoid sealing element warping. The utility model provides technical scheme to avoid the warping of bottom after sealing gasket is held in the door body, and the sealing effect of sealing gasket is influenced.

Description

Technical Field

[0001] This utility model relates to the field of door bottom sealing technology, and in particular to a sealing gasket. Background Technology

[0002] In the fields of architecture and interior design, doors and windows, as key components of building envelopes, play a crucial role in isolating indoor and outdoor environments through their sealing performance. Gaps between the bottom of the door and the ground can cause numerous problems, such as the intrusion of external dust, insects, and other foreign objects, affecting indoor air quality and living comfort. Furthermore, sound transmission is closely related to these gaps, reducing indoor sound insulation. Moreover, when air conditioning or heating is on, these gaps can cause the loss of cool or hot air, increasing energy consumption. Traditional sealing strips are typically made of one-piece molded soft rubber and are fixed to the door by clamping. However, because the sealing strip needs to be opened on both sides during clamping, the sides of the sealing strip deform at the bottom, such as… Figure 4 As shown, this will cause the bottom of the sealing strip 4 to warp and become uneven, which will seriously affect the sealing effect of the sealing strip 4. Utility Model Content

[0003] The main purpose of this utility model is to provide a sealing gasket that avoids warping at the bottom after the sealing gasket is clamped in the door, which would affect the sealing effect of the sealing gasket.

[0004] To achieve the above objectives, this utility model proposes a sealing gasket for sealing the bottom of a door, the sealing gasket comprising: The mounting part has a sealing element on one side, which is used to seal the gap at the bottom of the door; and At least two clamping portions are provided, the two clamping portions being connected at intervals to the side of the mounting portion away from the seal, and the at least two clamping portions are used to form a clamping groove with the mounting portion to clamp the door body; Wherein, at least a portion of the clamping portion has an elastic modulus less than that of the mounting portion. The clamping portion includes a connecting section and a clamping section connected at an angle. The connecting section is connected to the mounting portion, and the clamping section is connected to one end of the connecting section away from the mounting portion. The connecting section is configured as the main area that deforms when clamping the door body, so that the clamping section can open outward and elastically clamp to both sides of the door body, while the mounting portion remains flat to prevent the seal from warping.

[0005] In one embodiment, the clamping segment includes a first segment and a second segment connected at an angle, the first segment being connected to the connecting segment and the second segment being connected to the side of the first segment opposite to the connecting segment.

[0006] In one embodiment, the connecting segment and the mounting portion are detachably connected; And / or, the elastic modulus of the connecting segment is less than the elastic modulus of the mounting portion.

[0007] In one embodiment, the connection between the clamping part and the mounting part is arc-shaped.

[0008] In one embodiment, the mounting portion has a reinforcing rib on the side facing the clamping groove.

[0009] In one embodiment, the seal includes a sealing brush and at least two sealing strips, the two sealing strips being connected to the mounting portion at a distance, and the sealing brush being connected to the mounting portion and located between the two sealing strips.

[0010] In one embodiment, the cross-sectional area of ​​the sealing strip gradually decreases from the end closest to the mounting portion to the end furthest from the mounting portion.

[0011] In one embodiment, the sealing strip is made of soft rubber. And / or, the clamping part is made of soft rubber; And / or, the mounting part is made of hard plastic.

[0012] In one embodiment, the clamping part has a friction protrusion on the side facing the clamping groove, and the friction protrusion is used to abut against the door body.

[0013] In one embodiment, the friction protrusions include a plurality of protrusions, which are spaced apart along a direction perpendicular to the mounting portion.

[0014] In this invention, the mounting section serves as the basic structure for the sealing gasket. The mounting section includes a sealing element to fill the gap between the mounting section and the bottom surface, sealing the bottom of the door. Two clamping sections connected to the mounting section can form clamping grooves with the mounting section. When installing the sealing gasket, the door body extends into the clamping grooves, and the clamping sections clamp the door body from both sides, thus fixing the sealing gasket. The clamping section includes a connecting section and a clamping section connected at an angle. The connecting section is connected to the mounting section, and the clamping section is connected to the end of the connecting section opposite to the mounting section. When the sealing gasket is installed onto the door body, the connecting section is the primary point of deformation, reducing the impact on the flatness of the mounting section. Simultaneously, the elastic modulus of the clamping section is smaller than that of the mounting section. This smaller elastic modulus gives the clamping section better flexibility and elasticity, allowing it to easily clamp the sealing gasket onto the door body during installation. Furthermore, the clamping section has sufficient rebound capacity to tightly clamp the sealing gasket onto the door body, improving the stability of the sealing gasket's fixation. The large elastic modulus gives the mounting part sufficient bending resistance, preventing the mounting part from warping when the sealing gasket is installed on the door body due to the clamping part, which would reduce the flatness of the mounting part and affect the sealing effect of the sealing element. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0016] Figure 1 A schematic diagram of the sealing gasket in one embodiment of this utility model; Figure 2 This is a schematic diagram of another structure of the sealing gasket in one embodiment of the present invention; Figure 3 A schematic diagram of the opening structure of the sealing gasket in one embodiment of this utility model; Figure 4 This is a schematic diagram of the structure of a sealing strip in related technologies.

[0017] Explanation of icon numbers: 100. Sealing gasket; 1. Mounting part; 11. Sealing element; 111. Sealing brush; 112. Sealing strip; 2. Clamping part; 21. Connecting section; 22. Clamping section; 221. First section; 222. Second section; 23. Friction protrusion; 3. Clamping groove; 4. Sealing strip; The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0019] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0020] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0021] Please refer to the reference. Figures 1 to 3 As shown, this utility model proposes a sealing gasket 100 for sealing the bottom of a door. The sealing gasket 100 includes a mounting portion 1 and at least two clamping portions 2. A sealing element 11 is provided on one side of the mounting portion 1 to seal the gap at the bottom of the door. The two clamping portions 2 are connected at intervals to the side of the mounting portion 1 away from the sealing element 11. The two clamping portions 2 are used to form a clamping groove 3 with the mounting portion 1 to clamp the door body. At least a portion of the clamping portions 2 has a lower elastic modulus than the mounting portion 1. The clamping portion 2 includes a connecting section 21 and a clamping section 22 connected at an angle. The connecting section 21 is connected to the mounting portion 1, and the clamping section 22 is connected to the end of the connecting section 21 away from the mounting portion 1. The connecting section 21 is configured as the main area that deforms when clamping the door body, so that the clamping section 22 can open outward and elastically clamp the two sides of the door body, while the mounting portion 1 remains flat to prevent the sealing element 11 from warping.

[0022] In this embodiment, the mounting part 1 serves as the basic structure of the sealing gasket 100, and its shape is adapted to the shape of the bottom of the door. The mounting part 1 is provided with a sealing element 11, which is used to fill the gap between the mounting part 1 and the bottom surface to seal along the extension direction of the bottom of the door. The two clamping parts 2 and the mounting part 1 can be enclosed to form a clamping groove 3. When installing the sealing gasket 100, the clamping parts 2 clamp the door body from both sides of the door body so that the door body is fixed in the clamping groove 3, and the mounting part 1 abuts against the bottom of the door body to realize the detachable assembly of the sealing gasket 100.

[0023] Understandably, in the initial state of the sealing gasket 100, the clamping part 2 is almost parallel to the mounting part 1 to make the sealing gasket 100 more regular and facilitate actual transmission and storage. When the sealing gasket 100 is installed on the door, a certain external force is first applied to the clamping part 2 to make the two clamping parts 2 open outward to form the clamping groove 3. Then the door is placed in the clamping groove 3, and then the external force is removed, so that the clamping part 2 rebounds under its own elasticity and flexibility, tightly clamping the two sides of the door to fix the sealing gasket 100.

[0024] In this embodiment, the elastic modulus of the clamping part 2 is smaller than that of the mounting part 1. The smaller elastic modulus gives the clamping part 2 better flexibility and elasticity, allowing it to be easily opened and clamped onto the door when the sealing gasket 100 is installed. Furthermore, the clamping part 2 has sufficient rebound capacity to tightly clamp onto the door, ensuring the stability of the sealing gasket 100. The larger elastic modulus gives the mounting part 1 sufficient bending resistance, preventing warping or insufficient flatness caused by the clamping part 2 after it is opened, which would affect the sealing effect of the sealing element 11.

[0025] In this embodiment, the connecting segment 21 is the connection between the clamping segment 22 and the mounting part 1, and the clamping segment 22 is the part of the clamping part 2 that directly contacts the door body. In the initial state of the sealing gasket 100, the connecting segment 21 is approximately perpendicular to the mounting part, and the clamping segment 22 is approximately parallel to the mounting part 1, so that the sealing gasket 100 has a relatively regular overall shape when not installed, which facilitates packaging and transportation, effectively reduces space occupation during transportation, and lowers transportation costs.

[0026] When the sealing gasket 100 needs to be installed on the door, the clamping section 22 is opened outward by applying external force. At this time, the connecting section 21 will bend and deform, and the stress of the deformation is mainly concentrated in the connection area between the clamping section 22 and the connecting section 21, thereby reducing the transmission to the mounting part 1. The clamping section 22 opens outward and clamps the door. After the external force is removed, the clamping section 22 rebounds under its own elasticity and flexibility, tightly adhering to the surface of the door, forming a stable clamping force. Since the deformation mainly occurs in the connecting section 21, the deformation effect on the mounting part 1 is minimal, thereby ensuring that the sealing element 11 can always maintain a good contact state with the ground, effectively improving the sealing performance of the sealing gasket 100.

[0027] Optionally, the connecting section 21 and the clamping section 22 are integrally formed. Optionally, the connection between the connecting section 21 and the clamping section 22 has an arc-shaped transition.

[0028] In an embodiment of this utility model, the clamping segment 22 includes a first segment 221 and a second segment 222 connected at an angle. The first segment 221 is connected to the connecting segment 21, and the second segment 222 is connected to the side of the first segment 221 away from the connecting segment 21.

[0029] Specifically, in the initial state of the sealing gasket 100, the clamping section 22 has a certain angled shape. The clamping section 22 includes a first section 221 and a second section 222. When installing the sealing gasket 100, the first section 221 can fit tightly against one side of the door body. The first section 221, the connecting section 21, and the mounting part 1 form a clamping groove 3, providing reliable fixation for the sealing gasket 100. The second section 222 extends further into the door body based on the first section 221, increasing the tightness of contact with the door body, thereby effectively reducing the gap between the door body and the clamping section 22. This not only enhances the tightness of the fit between the sealing gasket 100 and the door body and improves the stability of the fixation, but also prevents dust and moisture from seeping into the gap between the door body and the sealing gasket 100, affecting the service life of the sealing gasket 100. At the same time, the second section 222 forms the opening edge of the clamping groove 3. Since the second section 222 extends inward, after the clamping section 22 is clamped into the door body, the second section 222 will naturally form a slope. The slope can also effectively prevent external impurities from entering the clamping groove 3 and reduce the accumulation of moisture or dust on the outside of the sealing gasket 100, thus extending the service life of the sealing gasket 100.

[0030] Understandably, when the sealing gasket is installed to the door body, deformation and stress are concentrated at the connection between the connecting section 21 and the first section 221, thereby preventing deformation from being transmitted to the mounting part 1 and ensuring the flatness of the mounting part 1.

[0031] In embodiments of this utility model, the connecting section 21 and the mounting part 1 are detachably connected.

[0032] Optionally, the connecting section 21 and the mounting part 1 can be detachably connected by means of snap-fit, magnetic attraction, or plug-in connection. Since the clamping part 2 is prone to deformation and aging under external forces during long-term use, its sealing performance deteriorates. With the connecting section 21 and the mounting part 1 detachably connected, the user does not need to replace the entire sealing gasket 100 after the clamping part 2 ages; only the aged clamping part 2 needs to be replaced, greatly reducing usage costs.

[0033] In actual implementation, the mounting part 1 is provided with a snap-fit ​​groove, and the connecting section 21 is provided with a matching snap-fit ​​protrusion. The snap-fit ​​protrusion is wedge-shaped, with a barb structure on its outer side for engaging with the snap-fit ​​hole in the snap-fit ​​groove. When installation is required, the snap-fit ​​protrusion of the connecting section 21 is aligned with the snap-fit ​​groove of the mounting part 1, and a certain pressure is applied to make the snap-fit ​​protrusion slide into the snap-fit ​​groove. As the connecting section 21 is further advanced, the barb structure will engage with the snap-fit ​​hole in the snap-fit ​​groove, achieving a firm connection between the connecting section 21 and the mounting part 1. When disassembly is required, simply use a tool to gently pry the barb part of the snap-fit ​​protrusion to disengage it from the snap-fit ​​hole, and the clamping part 2 can be removed.

[0034] Optionally, the elastic modulus of the connecting segment 21 is less than that of the mounting portion 1. In this embodiment, the clamping segment 22 relies mainly on the deformation of the connecting segment 21 when it opens outward. The elastic modulus of the clamping segment 22 itself can be higher than that of the connecting segment 21 to achieve a better clamping effect. It is understood that the connecting segment 21 can be made of soft rubber, while the mounting portion 1 and the clamping segment 22 can be made of hard rubber; or both the connecting segment 21 and the clamping segment 22 can be made of soft rubber, while the mounting portion 1 can be made of hard rubber.

[0035] In an embodiment of this utility model, the connection between the clamping part 2 and the mounting part 1 is arc-shaped.

[0036] Specifically, when the clamping part 2 is opened, the smooth transition at the arc-shaped connection allows the external force to be distributed more evenly during transmission, avoiding stress concentration at the connection between the clamping part 2 and the mounting part 1, thereby reducing the risk of breakage of the clamping part 2 or the mounting part 1 in areas with high stress, and improving the overall strength and service life of the sealing gasket 100.

[0037] In an embodiment of this utility model, the mounting part 1 is provided with a reinforcing rib on the side facing the clamping groove 3.

[0038] In this embodiment, the reinforcing ribs enhance the bending and torsional stiffness of the mounting portion 1. The high elastic modulus of the mounting portion 1, combined with the reinforcing ribs, provides a double boost, enabling the mounting portion 1 to better resist external forces during installation and use, reducing deformation caused by these forces. The reinforcing ribs effectively reduce bending and deformation of the mounting portion 1, ensuring good contact between the seal 11 and the ground, and guaranteeing the sealing performance of the gasket 100. Simultaneously, the reinforcing ribs improve the support provided by the mounting portion 1 to the gasket 100, allowing the mounting portion 1 to better adapt to vibrations during use, thus enhancing the stability and reliability of the gasket 100. The reinforcing ribs are positioned on the side of the mounting portion 1 facing the clamping groove 3 to prevent gaps between the mounting portion 1 and the ground, which would negatively impact the sealing performance of the gasket 100.

[0039] In actual implementation, the reinforcing ribs can be arranged in a grid pattern or in strips. When the reinforcing ribs are arranged in strips, they are spaced apart along the width direction of the mounting part 1.

[0040] In an embodiment of this utility model, the sealing member 11 includes a sealing brush 111 and at least two sealing strips 112. The two sealing strips 112 are connected to the mounting part 1 at intervals, and the sealing brush 111 is connected to the mounting part 1 and located between the two sealing strips 112.

[0041] In this embodiment, the sealing brush 111 is soft and elastic. When the sealing gasket 100 is installed on the door, the sealing brush 111 can fit tightly against the ground, effectively preventing the intrusion of dust, air, and moisture. Furthermore, when opening and closing the door, the sealing brush 111 can easily slide into contact with the ground, reducing the force required for the user to open and close the door and improving the convenience and comfort of using the sealing gasket 100.

[0042] The two sealing strips 112 provide lateral support for the sealing brush 111, preventing it from being blown open or displaced by airflow or external force, ensuring that the sealing brush 111 is always in good working condition and maintains a stable sealing effect. Furthermore, compared to the gaps in the bristles of the sealing brush 111, the sealing strips 112 form a complete seal, further enhancing the sealing effect of the sealing brush 111. By combining the flexibility of the sealing brush 111 with the stability of the sealing strips 112, the dual effects of efficient sealing and low-resistance door opening and closing are achieved, effectively improving the practicality and user experience of the door bottom sealing gasket 100.

[0043] Understandably, when the sealing gasket 100 is installed on the door, the flatness of the mounting part 1 can ensure that the sealing brush 111 and the sealing strip 112 can fit evenly and tightly against the bottom surface, thus ensuring the sealing effect of the sealing element 11.

[0044] In an embodiment of this utility model, the cross-sectional area of ​​the sealing strip 112 gradually decreases from the end closer to the mounting part 1 to the end farther away from the mounting part 1.

[0045] In this embodiment, the sealing strip 112 has a large cross-sectional area near the root of the mounting part 1, thereby ensuring the connection strength between the sealing strip 112 and the mounting part 1, and ensuring that the sealing strip 112 will not easily break or detach due to force during use. At the same time, as the cross-section gradually decreases outward, the end of the sealing strip 112 forms a relatively sharp edge. This edge can effectively reduce the contact area with the ground when in contact with the ground, and is more easily deformed when scraping the ground when opening and closing the door, thereby reducing the frictional resistance between the sealing strip 112 and the ground when opening and closing the door, making the door opening and closing smoother.

[0046] In embodiments of this utility model, the sealing strip 112 is made of soft rubber; optionally, the clamping part 2 is made of soft rubber; optionally, the mounting part 1 is made of hard rubber.

[0047] In this embodiment, the sealing strip 112 is made of a soft rubber material, such as silicone or EPDM rubber. This allows the sealing strip 112 to fit tightly against the ground, effectively preventing dust and air from entering. At the same time, the soft rubber sealing strip 112 provides less resistance to the ground when opening and closing the door, effectively improving ease of use.

[0048] The clamping part 2 can also be made of soft rubber, such as silicone or EPDM rubber. The clamping part 2 not only has sufficient flexibility to ensure that it can be smoothly clamped to the door panel, but also has good wear resistance and weather resistance, which can adapt to frequent door opening and closing actions and extend the service life of the clamping part 2.

[0049] The mounting part 1 is made of hard plastic material, such as polyvinyl chloride, polycarbonate (PC) or ABS plastic. This gives the mounting part 1 a high elastic modulus and strength, providing a stable support structure for the entire sealing gasket 100. This ensures that the mounting part 1 will not warp or deform during use, and that the sealing brush 111 and the sealing strip 112 are always in the optimal sealing position, thereby providing continuous and effective sealing performance.

[0050] In this embodiment of the invention, the clamping part 2 has a friction protrusion 23 on the side facing the clamping groove 3. When the sealing gasket 100 is installed on the door body, the friction protrusion 23 abuts against the door body, thereby increasing the coefficient of friction between the sealing gasket 100 and the door body. This effectively prevents the sealing gasket 100 from sliding or falling off due to external forces during use, ensuring the stability of the sealing gasket 100 and the reliability of the sealing effect.

[0051] Optionally, the friction protrusions 23 include a plurality of protrusions, which are spaced apart along a direction perpendicular to the mounting portion 1.

[0052] In actual implementation, the friction protrusions 23 can be semi-circular, triangular, or other suitable geometric shapes to adapt to different door surfaces and usage requirements. Multiple friction protrusions 23 are spaced apart along a direction perpendicular to the mounting portion 1 to further increase the friction between the sealing gasket 100 and the door body, preventing the friction gasket from falling off the door body.

[0053] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A sealing gasket for sealing the bottom of a door, characterized in that, The sealing gasket includes: The mounting part has a sealing element on one side, which is used to seal the gap at the bottom of the door; and At least two clamping portions are provided, the two clamping portions being connected at intervals to the side of the mounting portion away from the seal, the two clamping portions being used to form a clamping groove with the mounting portion to clamp the door body; Wherein, at least a portion of the clamping portion has an elastic modulus less than that of the mounting portion. The clamping portion includes a connecting section and a clamping section connected at an angle. The connecting section is connected to the mounting portion, and the clamping section is connected to one end of the connecting section away from the mounting portion. The connecting section is configured as the main area that deforms when clamping the door body, so that the clamping section can open outward and elastically clamp to both sides of the door body, while the mounting portion remains flat to prevent the seal from warping.

2. The sealing gasket as claimed in claim 1, characterized in that, The clamping section includes a first section and a second section connected at an angle, the first section being connected to the connecting section, and the second section being connected to the side of the first section opposite to the connecting section.

3. The sealing gasket as described in claim 1, characterized in that, The connecting section and the mounting part are detachably connected; And / or, the elastic modulus of the connecting segment is less than the elastic modulus of the mounting portion.

4. The sealing gasket as claimed in claim 1, characterized in that, The connection between the clamping part and the mounting part is arc-shaped.

5. The sealing gasket as claimed in claim 1, characterized in that, The mounting part is provided with a reinforcing rib on the side facing the clamping groove.

6. The sealing gasket according to any one of claims 1 to 5, characterized in that, The sealing element includes a sealing brush and at least two sealing strips, the two sealing strips being connected to the mounting portion at a distance, and the sealing brush being connected to the mounting portion and located between the two sealing strips.

7. The sealing gasket as claimed in claim 6, characterized in that, The cross-sectional area of ​​the sealing strip gradually decreases from the end closest to the mounting portion to the end furthest from the mounting portion.

8. The sealing gasket as claimed in claim 6, characterized in that, The sealing strip is made of soft rubber. And / or, the clamping part is made of soft rubber; And / or, the mounting part is made of hard plastic.

9. The sealing gasket according to any one of claims 1 to 5, characterized in that, The clamping part has a friction protrusion on the side facing the clamping groove, and the friction protrusion is used to abut against the door body.

10. The sealing gasket as claimed in claim 9, characterized in that, The friction protrusions include a plurality of protrusions, which are spaced apart along a direction perpendicular to the mounting portion.

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