Door frame sealing strip
By designing magnetically attachable first and second sealing strips that snap onto the door frame and door panel components respectively, and by using rigid and flexible elastic components integrally molded, the problem of decreased connection reliability of sealing strips after long-term use is solved, achieving stable sealing and shock absorption effects.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO NEWANTON SEAL & INSULATION SYST CO LTD
- Filing Date
- 2025-04-07
- Publication Date
- 2026-04-10
AI Technical Summary
Existing sealing strips suffer from decreased connection reliability and reduced support after long-term use, resulting in poor sealing and shock absorption effects.
The design incorporates first and second sealing strips that magnetically abut against each other, respectively engaging with the door frame and door panel components. The integrated molding of rigid and flexible components provides stable support and shock absorption, enhancing connection stability and sealing performance.
This achieves a stable connection of the sealing strips, improves the sealing effect and service life, enhances shock absorption and noise reduction performance, and avoids structural deformation.
Smart Images

Figure CN224107184U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sealant strip technical field especially relates to a door frame sealing strip. BACKGROUND
[0002] Sealant strip, also called sealing strip, is a kind of strip or bar material with elasticity, mainly used in the joint of building doors and windows, such as glass and compression strip, glass and frame, frame and sash, sash and sash. Its function is to prevent the penetration or intrusion of rain, dust and other things, reduce the damage caused by mechanical vibration or impact, achieve the effect of sealing, sound insulation, heat insulation and shock absorption.
[0003] The existing sealant strip has poor opening and closing sealing effect, because the structure of the sealant strip is simple, the connection reliability decreases after long-term use, the supporting property of the sealant strip is poor, and the structure is easy to deform, thereby causing the sealing and shock absorption effect to be greatly discounted. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a door frame sealing strip to solve the problems in the above background.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A door frame sealing strip, comprising a first sealing strip and a second sealing strip, which can be magnetically attracted and abutted; the first sealing strip is connected with a door frame, and the door frame is fixedly embedded in a wall body; the second sealing strip is connected with an openable and closable door plate assembly, and the cross section of the door plate assembly is in the shape of a right triangle.
[0007] The first sealing strip comprises a first hard elastic part and a first soft elastic part, which are integrally injection molded; the first hard elastic part comprises a first right-angle supporting edge and an inclined reinforcing rib, which are detachably connected with the door frame; the bottom surface of the first right-angle supporting edge is provided with two groups of clamping strips embedded in the door frame, and correspondingly, the door frame is provided with clamping grooves matched with the clamping strips; the clamping strips are clamped in the clamping grooves; the first soft elastic part comprises a first abutting surface arranged in parallel with the inclined reinforcing rib; one side edge of the first abutting surface is fixedly connected with the first right-angle supporting edge, and the other side edge is fixedly connected with the inclined reinforcing rib through a shock-absorbing side edge; a first magnetic attraction cavity is fixedly arranged on the side of the first abutting surface away from the second sealing strip; and a first flexible magnetic attraction strip is arranged in the first magnetic attraction cavity.
[0008] The second sealing strip comprises a second hard elastic part and a second soft elastic part, which are integrally injection molded, and specifically, the first hard elastic part is made of hard PVC material, and the first soft elastic part is made of soft EPDM material; the second hard elastic part comprises a second right-angle supporting edge which is detachably attached to the inner wall of the door panel assembly, and a clamping corner arranged at the two ends of the second right-angle supporting edge; the second soft elastic part comprises a second magnetic attraction cavity which is fixedly connected to the clamping corner; the second magnetic attraction cavity comprises a second flexible magnetic attraction strip which is arranged inside and matched with the first flexible magnetic attraction strip, and a second abutting surface which abuts against the first abutting surface; and the second sealing strip is clamped with the door panel assembly through the clamping corner.
[0009] The first flexible magnetic attraction strip and the second flexible magnetic attraction strip are detachably magnetically connected.
[0010] Preferably, the clamping strip comprises a long hard clamping body and V-shaped soft protruding edges which are symmetrically arranged at the two sides of the clamping body; the V-shaped soft protruding edges abut against the side walls of the clamping groove, so that the clamping strip is more stably clamped in the clamping groove and is not easy to fall off.
[0011] Preferably, the two ends of the first right-angle supporting edge respectively extend outwardly with first sealing edges; the first sealing edges abut against the door frame, so as to improve the sealing effect between the first sealing strip and the door frame.
[0012] Preferably, the two side edges of the second abutting surface extend outwardly with second sealing edges; the second sealing edges abut against the door panel assembly, so as to improve the sealing effect between the second sealing strip and the door panel assembly.
[0013] Preferably, a first connecting rib is arranged between the first magnetic attraction cavity and the inclined reinforcing rib, and the first connecting rib is used for buffering, absorbing energy and supporting the impact force received by the first magnetic attraction cavity when the door is opened and closed, so as to improve the mute effect and service life.
[0014] Preferably, a second connecting rib is arranged between the second magnetic attraction cavity and the second right-angle supporting edge, and the second connecting rib is used for buffering, absorbing energy and supporting the impact force received by the second magnetic attraction cavity when the door is opened and closed, so as to improve the mute effect and service life.
[0015] Compared with the prior art, the door frame sealing strip of the present application has the following beneficial effects:
[0016] The utility model discloses a first sealing rubber strip and second sealing rubber strip, both can be magnetic type abut, and the opening and closing of door is convenient. First sealing rubber strip is connected with door frame through the clamping strip, and second sealing rubber strip is connected with door panel assembly through the clamping angle, and the portable dismounting and mounting are stable in connection, first sealing rubber strip and second sealing rubber strip all adopt the hard elastic part and the soft elastic part for supporting connection and shock absorption respectively, guarantee the whole supporting connection strength, guarantee the quiet shock absorption effect, and the deformation is not easy, and the sealing effect is good, and the service life is long, and the connecting structure is reliable. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 It is structure schematic view of the utility model embodiment;
[0018] Fig. 2 It is structure front view of the utility model embodiment;
[0019] Fig. 3 It is structure schematic view of first sealing rubber strip in the utility model embodiment;
[0020] Fig. 4 It is structure front view of first sealing rubber strip in the utility model embodiment;
[0021] Fig. 5 It is structure schematic view of second sealing rubber strip in the utility model embodiment;
[0022] Fig. 6 It is structure front view of second sealing rubber strip in the utility model embodiment.
[0023] Sign significance: 1, door frame;11, clamping groove;2, door panel assembly;3, first sealing rubber strip;31, first hard elastic part;311, first right angle support edge;312, inclined reinforcing rib;313, clamping strip;314, long strip hard clamping main part;315, V-shaped soft convex edge;316, first sealing edge;32, first soft elastic part;321, first abutment surface;322, shock absorption side;323, first magnetic cavity;324, first flexible magnetic strip;325, first connecting rib;4, second sealing rubber strip;41, second hard elastic part;411, second right angle support edge;412, clamping angle;42, second soft elastic part;421, second magnetic cavity;422, second abutment surface;423, second flexible magnetic strip;424, second sealing edge;425, second connecting rib. DETAILED DESCRIPTION
[0024] The following is further detailed through specific implementation:
[0025] Embodiment 1
[0026] As Figs. 1-6As shown, the embodiment shows a door frame 1 sealing strip, including a first sealing strip 3 and a second sealing strip 4, which can be magnetically abutting, facilitating the opening and closing of the door; the first sealing strip 3 is connected with the door frame 1, and the door frame 1 is fixedly embedded in the wall; the second sealing strip 4 is connected with the openable door plate assembly 2, and the cross section of the door plate assembly 2 is in the shape of a right triangle; the first sealing strip 3 and the second sealing strip 4 are used for the joint between the door frame 1 and the door plate assembly 2.
[0027] The first sealing strip 3 in the embodiment includes a first hard elastic part 31 and a first soft elastic part 32, which are integrally injection molded; specifically, the first hard elastic part 31 in the embodiment is made of hard PVC material, and the first soft elastic part 32 is made of soft EPDM material; wherein the first hard elastic part 31 is used for supporting connection, and the first soft elastic part 32 is used for shock absorption; the first hard elastic part 31 includes a first right angle supporting edge 311 and an inclined reinforcing rib 312 which are detachably connected with the door frame 1; the first right angle supporting edge 311 and the inclined reinforcing rib 312 are made of hard elastic material, which is used to improve the supporting connection strength, avoid the insufficient supporting after the strip is used for a long time, and cause the structure to deform and affect the sealing effect.
[0028] The bottom surface of the first right angle supporting edge 311 in the embodiment is provided with two groups of clamping strips 313 embedded in the door frame 1, and correspondingly, the door frame 1 is provided with clamping grooves 11 matched with the clamping strips 313; the clamping strips 313 are clamped in the clamping grooves 11, and the detachable clamping between the first sealing strip 3 and the door frame 1 is realized through the clamping between the clamping strips 313 and the clamping grooves 11; the first soft elastic part 32 includes a first abutting surface 321 arranged in parallel with the inclined reinforcing rib 312; one side of the first abutting surface 321 is fixedly connected with the first right angle supporting edge 311, and the other side is fixedly connected with the inclined reinforcing rib 312 through a shock absorbing side 322; a first magnetic attraction cavity 323 is fixedly arranged on the side of the first abutting surface 321 away from the second sealing strip 4; a first flexible magnetic attraction strip 324 is arranged in the first magnetic attraction cavity 323. Specifically, the first soft elastic part 32 of the first sealing strip 3 provides an energy absorption structure, and the first hard elastic part 31 of the first sealing strip 3 provides a stable and reliable supporting structure, which has a good service life while ensuring the shock absorption and sealing effect.
[0029] In this embodiment, the second sealing strip 4 includes a second rigid elastic part 41 and a second soft elastic part 42, both integrally injection molded. The second rigid elastic part 41 provides support and connection, while the second soft elastic part 42 absorbs shock and energy. The second rigid elastic part 41 includes a second right-angle support edge 411 that can be detachably and fitted to the inner wall of the door panel assembly 2, and snap-fit angles 412 at both ends of the second right-angle support edge 411. The second soft elastic part 42 includes a second magnetic suction cavity 421 fixedly connected to the snap-fit angles 412. The second magnetic suction cavity 421 includes a built-in second flexible magnetic suction strip 423 that matches the first flexible magnetic suction strip 324, and a second abutting surface 422 that abuts against the first abutting surface 321. The second sealing strip 4 snaps into the door panel assembly 2 via the snap-fit angles 412. Specifically, the second soft elastic part 42 of the second sealing strip 4 provides an energy-absorbing structure, and the second rigid elastic part 41 of the second sealing strip 4 provides a stable and reliable support structure, ensuring both shock absorption and sealing effect while maintaining a good service life.
[0030] In this embodiment, the first flexible magnetic strip 324 and the second flexible magnetic strip 423 can be detachably magnetically connected, which facilitates the opening and closing of the door.
[0031] Example 2
[0032] like Figs. 1-6 As shown, another embodiment illustrates a door frame 1 sealing strip. Further, in a further feasible implementation of this embodiment, the snap-fit strip 313 includes a long, rigid snap-fit body 314 and V-shaped soft protrusions 315 symmetrically arranged on both sides of the snap-fit body. Specifically, in this embodiment, the V-shaped soft protrusions are made of EPDM rubber. The characteristics of this soft material allow it to be more stably snapped into the snap-fit groove 11. The long, rigid snap-fit body 314 is made of rigid PVC material, ensuring stable and reliable structural strength. The V-shaped soft protrusions 315 abut against the side wall of the snap-fit groove 11, making the snap-fit strip 313 more stably snapped into the snap-fit groove 11 and less prone to falling off.
[0033] Example 3
[0034] like Figs. 1-6 As shown, another embodiment illustrates a door frame 1 sealing strip. Further, in a further possible implementation of this embodiment, the two ends of the first right-angle support edge 311 respectively extend outward with a first sealing edge 316; the first sealing edge 316 abuts against the door frame 1, improving the sealing effect between the first sealing strip 3 and the door frame 1.
[0035] Furthermore, in these embodiments, the two sides of the second abutment surface 422 extend outward to form a second sealing edge 424; the second sealing edge 424 abuts against the door panel assembly 2, thereby improving the sealing effect between the second sealing strip 4 and the door panel assembly 2.
[0036] Embodiment 4
[0037] As Figs. 1-6 shown, another embodiment shows a door frame 1 sealing strip, further illustrates, in the further implementation of the embodiment, the first magnetic cavity 323 and the inclined reinforcing rib 312 are provided with a first connecting rib 325, the first connecting rib 325 is used for shock absorption, energy absorption and support the impact force that the first magnetic cavity 323 receives when the door is opened and closed, improve the silent effect and service life.In some further embodiments of the present embodiment, the second magnetic cavity 421 and the second right-angle support edge 411 are provided with a second connecting rib 425, the second connecting rib 425 is used for shock absorption, energy absorption and support the impact force that the second magnetic cavity 421 receives when the door is opened and closed, improve the silent effect and service life.
[0038] The above is only the embodiment of the present application, and the specific structure and characteristics of the scheme known in the art are not described in detail. It should be pointed out that for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, which will not affect the effect and practicality of the patent. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.
Claims
1. A door frame sealing strip, respectively installed on a door frame fixedly embedded in a wall and on a door panel assembly with an openable cross-section of a right angled triangle, characterized in that: The first sealing strip and the second sealing strip are magnetically attracted to each other, the first sealing strip is connected to the door frame, and the second sealing strip is connected to the door panel assembly. The first sealing strip comprises a first hard elastic part and a first soft elastic part, which are integrally injection molded, the first hard elastic part comprises a first right-angle supporting edge and an inclined reinforcing rib, which are detachably connected to the door frame, the bottom surface of the first right-angle supporting edge is provided with two sets of clamping strips embedded in the door frame, correspondingly, the door frame is provided with clamping grooves matched with the clamping strips, the clamping strips are clamped in the clamping grooves, the first soft elastic part comprises a first abutting surface arranged in parallel with the inclined reinforcing rib, one side edge of the first abutting surface is fixedly connected with the first right-angle supporting edge, and the other side edge is fixedly connected with the inclined reinforcing rib through a shock-absorbing side edge, the first abutting surface is fixedly provided with a first magnetic attraction cavity on the side away from the second sealing strip, and the first magnetic attraction cavity is provided with a first flexible magnetic attraction strip. The second sealing strip comprises a second hard elastic part and a second soft elastic part, which are integrally injection molded, the second hard elastic part comprises a second right-angle supporting edge and clamping corners arranged at both ends of the second right-angle supporting edge, which are detachably connected to the inner wall of the door panel assembly, the second soft elastic part comprises a second magnetic attraction cavity fixedly connected with the clamping corners, the second magnetic attraction cavity comprises a second flexible magnetic attraction strip matched with the first flexible magnetic attraction strip and a second abutting surface abutting with the first abutting surface, and the second sealing strip is clamped with the door panel assembly through the clamping corners. The first flexible magnetic attraction strip and the second flexible magnetic attraction strip are detachably magnetically connected.
2. A door threshold seal according to claim 1, wherein: The clamping strip comprises a long strip-shaped hard clamping body and V-shaped soft convex edges symmetrically arranged on both sides of the clamping body, and the V-shaped soft convex edges abut with the side walls of the clamping groove.
3. A door frame weatherstrip as defined in claim 1 wherein: The first right-angle supporting edge is provided with first sealing edges outwardly extended at both ends thereof, and the first sealing edges abut with the door frame.
4. A door threshold seal according to claim 3, wherein: The second abutting surface is provided with second sealing edges outwardly extended at both sides thereof, and the second sealing edges abut with the door panel assembly.
5. A door frame weatherstrip as defined in claim 1 wherein: A first connecting rib is arranged between the first magnetic attraction cavity and the inclined reinforcing rib.
6. A door threshold seal according to claim 1, wherein: A second connecting rib is arranged between the second magnetic attraction cavity and the second right-angle supporting edge.