Unpowered self-adaptive sealing device for building energy-saving door

Abstract

The invention discloses an unpowered self-adaptive sealing device for a building energy-saving door, and relates to the technical field of building energy-saving equipment, the unpowered self-adaptive sealing device comprises a guide supporting frame, a guide frame plate, a silica gel sealing ring, a trigger assembly, a sliding block assembly, an elastic piece assembly, a transmission assembly and a limiting assembly, the triggering assembly is extruded by the door frame to drive the sliding block assembly to move under the guiding of the guiding frame plate, then the elastic piece assembly is pressed and bent, deformation force of the elastic piece assembly is converted into vertically-downward pushing force through abutting connection of the elastic piece assembly and the inner wall of the guiding supporting frame, the silica gel sealing ring is pushed to fill a gap between the door leaf and the bottom face, power sources such as a motor are not needed, and operation is convenient. And the sealing silica gel sealing ring extends out only when the door is closed and retracts inwards when the door is opened, continuous friction with the ground or a door frame is avoided, and the service life is remarkably prolonged.

Description

Technical Field

[0001] The invention relates to the technical field of building energy-saving equipment, in particular to a non-powered adaptive sealing device for a building energy-saving door. Background Art

[0002] Building energy conservation has become a crucial component of my country's energy strategy, and the sealing performance of building doors and windows directly impacts a building's overall energy consumption. Heat loss due to gaps in doors and windows accounts for over 20% of a building's total energy consumption. Improving the sealing between doors and frames is a key approach to reducing heating and cooling energy consumption. In the field of building doors and windows, as well as industrial sealing, sealing the gap between doors and frames has long been a key technology for ensuring airtightness, sound insulation, and dustproofing. Its performance not only impacts the quality of the indoor environment but is also closely linked to a building's energy efficiency.

[0003] The Chinese patent with authorization announcement number CN105134015B discloses a sealed door, door frame, and door panel, wherein the door panel is processed with a rectangular slide opening downward in the middle part of the thickness of the lower end surface of the door panel, and a slide plate of the same shape and size as the slide plate is installed in the slide plate, and left notches, right notches and slide plate notches are processed with left and right symmetrical notches facing the front direction of the door at the left and right ends of the slide plate and the slide plate, and three fixed pins standing upright above and below are installed on the left and right notches of the slide plate, and a movable pin is correspondingly installed on the slide plate notch, and an L-shaped spring rod with a spring coil in the middle part is installed between the top fixed pin and the upper part of the movable pin on the slide plate, and an L-shaped spring leaf with a spring coil at the lower end is installed between the middle and lower fixed pins and the lower part of the movable pin on the slide plate, the left ends of the spring rod and the spring leaf elastically touch the upper and lower parts of the movable pin respectively, and the upper end of the spring rod protrudes upward and outward from the front side of the door panel.

[0004] Traditional sealing devices generally have the following problems: most sealing modules rely on external power sources such as motors and cylinders, which not only increases installation costs and energy consumption, but also poses the risk of sealing failure in the event of a power failure. This is especially limited in scenarios with high reliability requirements such as fire escape routes and explosion-proof locations.

[0005] To this end, the present invention proposes a non-powered adaptive sealing device for building energy-saving doors to solve the above problems. Summary of the Invention

[0006] In view of the above problems in the prior art, the present invention is proposed.

[0007] To solve the above technical problems, the present invention provides the following technical solutions: a non-powered adaptive sealing device for building energy-saving doors, comprising a guide support frame, a guide frame plate, a silicone sealing ring, a trigger assembly, a slider assembly, a spring assembly, a transmission assembly and a limit assembly, wherein;

[0008] The guide support frame is provided with a movable cavity, and its guide frame plate is arranged along the movable cavity axis of the guide support frame, and the slider assembly is installed in the slit between the guide frame plate and the guide support frame, and the silicone sealing ring is engaged with the side of the guide frame plate away from the slider assembly, and the slider assembly is attached to the guide frame plate but does not contact the inner wall of the guide support frame, and the elastic sheet assembly is folded inside the slider assembly and the guide frame plate, one end of which is installed on the slider assembly, and the other end is fixed to the guide frame plate by the limiting assembly, and the trigger assembly is installed at one end of the slider assembly away from the elastic sheet assembly and passes through the guide support frame, and the trigger assembly is pushed by an external force to move the slider assembly, and after being pushed by the trigger assembly, the slider assembly moves in the direction of the limiting assembly, so that the elastic sheet assembly is compressed and produces elastic deformation, and the deformation force of the elastic sheet assembly is converted into a vertical downward thrust through its abutment with the inner wall of the guide support frame, so as to push the guide frame plate and the silicone sealing ring downward in the opposite direction.

[0009] As a preferred solution of the non-powered adaptive sealing device for energy-saving building doors described in the present invention, the trigger assembly includes a spiral rod assembled on the slider assembly, a trigger screw cap screwed on the end of the spiral rod passing through the guide support frame, and a telescopic spring sleeved on the spiral rod, one end of the telescopic spring abuts against the trigger screw cap, and the other end abuts against the guide support frame.

[0010] As a preferred solution of the non-powered adaptive sealing device for energy-saving building doors described in the present invention, it further includes a keel integrated base, the inner cavity of the keel integrated base is provided with a slider mechanism along the axial direction, the inner wall of the keel integrated base is equipped with multiple groups of equally spaced guide vibration-damping mechanisms along the axial direction, the multiple groups of guide vibration-damping mechanisms support and limit the movement direction of the guide mechanism, one end of the slider mechanism is provided with a guide trigger push rod, and the guide trigger push rod extends outward through the keel integrated base.

[0011] As a preferred solution of the non-powered adaptive sealing device for energy-saving building doors described in the present invention, wherein: the guiding and vibration-damping mechanism includes two groups of shock-damping guide units symmetrically arranged along the keel integrated base, which are symmetrically arranged in the direction of the axis of the vertical keel integrated base, and the guiding and vibration-damping mechanism includes two groups of shock-damping guide units symmetrically arranged along the keel integrated base, which include a support plate mounted on the inner wall of the keel integrated base, a connecting head integrated with the support plate, a plurality of long guide rollers assembled on the connecting head, and shock-damping springs sleeved on the long guide rollers.

[0012] As a preferred solution of the non-powered adaptive sealing device for energy-saving building doors of the present invention, a plurality of transmission mechanisms are laid out at equal intervals along the bottom of the slider rectangular plate, and a cantilevered spring mechanism is hingedly connected to one end of each transmission mechanism away from the slider rectangular plate, and the bottom of the cantilevered spring mechanism abuts against the sealing mechanism;

[0013] Each set of transmission mechanisms corresponds to a set of cantilever spring mechanisms and a set of sealing mechanisms. Multiple sealing mechanisms are laid along the axis of the keel integrated base. The slider plate synchronously drives the multiple transmission mechanisms to rotate synchronously to drive the cantilever spring mechanism to deform and squeeze the sealing mechanism to move.

[0014] As a preferred solution of the non-powered adaptive sealing device for energy-saving building doors described in the present invention, the inner wall of the keel integrated base is equipped with multiple groups of guide vertical cylinders, each group of guide vertical cylinders has two and are symmetrical about the axis of the keel integrated base, and a stepped cavity is provided inside the guide vertical cylinder.

[0015] As a preferred solution of the non-powered adaptive sealing device for energy-saving building doors described in the present invention, the sealing mechanism includes a cover plate, combination rods symmetrically arranged on both sides of the cover plate, a return spring sleeved on the combination rods, and an expansion plate for connecting the cover plate and the combination rods; when the combination rods are inserted into the stepped cavity of the guide vertical cylinder, the two ends of the return spring respectively abut against the expansion plate and the guide vertical cylinder.

[0016] As a preferred solution of the non-powered adaptive sealing device for energy-saving building doors described in the present invention, the transmission mechanism includes a sleeve arranged along the width of the slider rectangular plate, a bearing roller that is transmitted and limited in the sleeve, and a lever plate rotatably connected to both ends of the bearing roller, and the cantilever spring mechanism is hinged to the end of the lever plate facing away from the bearing roller.

[0017] As a preferred solution of the non-powered adaptive sealing device for energy-saving building doors described in the present invention, a rectangular through groove is opened inside the lever plate, a group of reference rods are inserted into the interior of the rectangular through groove, and the reference rods are vertically assembled on the inner wall of the keel integrated base.

[0018] As a preferred solution of the non-powered adaptive sealing device for building energy-saving doors described in the present invention, the cantilever spring mechanism includes a cantilever plate, and insertion holes are opened at both ends of the cantilever plate. A linkage rod is rotatably connected to one side close to the lever plate, and a positioning rod is rotatably connected to the other end. The positioning rod is vertically inserted into the inner wall of the keel integrated base, and the linkage rod is synchronously inserted into the interior of the lever plate to link the lever plate.

[0019] Beneficial effects of the invention: The present application solves the problems of traditional door sealing technology that relies on external power, has insufficient sealing uniformity, and wears out the seals too quickly. The present application is driven by the kinetic energy of the closing door leaf. The trigger assembly is squeezed by the door frame to drive the slider assembly to move under the guidance of the guide frame plate, thereby causing the spring assembly to be compressed and bent. The deformation force of the spring assembly is converted into a vertical downward thrust through its contact with the inner wall of the guide support frame, pushing the silicone sealing ring to fill the gap between the door leaf and the bottom surface. No power source such as a motor is required, avoiding sealing failure caused by power failure. The sealing silicone sealing ring only extends when closing the door and retracts when opening the door, avoiding continuous friction with the ground or door frame, significantly extending the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 This is a structural axonometric diagram of the adaptive sealing device of Example 1;

[0022] Figure 2 Schematic diagram of the overall structure of the adaptive sealing device of Example 1;

[0023] Figure 3 For the present invention Figure 2 A magnified view of the structure of part A;

[0024] Figure 4 Schematic diagram of the overall structure of the adaptive sealing device of Example 2;

[0025] Figure 5 This is a plan view of the overall structure of the adaptive sealing device of Example 2;

[0026] Figure 6 This is a structural detail diagram of the guide vibration reduction mechanism in the present invention;

[0027] Figure 7 A structural detail diagram of the slider mechanism in the present invention;

[0028] Figure 8 For the present invention Figure 7 A magnified view of the structure of part B;

[0029] Figure 9 It is a structural detail diagram of the transmission mechanism in the present invention;

[0030] Figure 10 This is a structural detail diagram of the keel integrated base in the present invention;

[0031] Figure 11 This is a structural detail diagram of the guide long roller in the present invention;

[0032] Figure 12 Schematic diagram of the overall structure of the sealing mechanism in the present invention;

[0033] Figure 13 This is a structural detail diagram of the sleeve in the present invention.

[0034] The accompanying drawings are:

[0035] 110. Guide support frame; 120. Guide frame plate; 121. Limit rod; 130. Silicone sealing ring; 140. Trigger assembly; 141. Screw rod; 142. Telescopic spring; 143. Trigger screw cap; 150. Slider assembly; 160. Shrapnel assembly; 170. Transmission assembly; 180. Limit assembly;

[0036] 210, keel integrated base; 211, guide vertical cylinder; 212, stepped cavity;

[0037] 220, guide trigger push rod;

[0038] 230, slider mechanism; 231, slider rectangular plate; 232, square cavity; 233, guide chute;

[0039] 240. Guide vibration reduction mechanism; 241. Support plate; 242. Connector; 243. Vibration reduction spring; 244. Guide roller;

[0040] 250, transmission mechanism; 251, sleeve; 252, bearing roller; 253, lever plate; 2531, rectangular through slot; 254, reference rod;

[0041] 260, cantilever spring mechanism; 261, cantilever piece; 262, linkage rod; 263, positioning rod;

[0042] 270. Sealing mechanism; 271. Cover plate; 272. Expansion plate; 273. Return spring; 274. Combination rod; 275. Silicone seal. DETAILED DESCRIPTION

[0043] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0044] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0045] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive of other embodiments.

[0046] Embodiment 1:

[0047] Reference Figure 1-Figure 3 As shown, the first embodiment of the present invention provides a non-powered adaptive sealing device for building energy-saving doors, which is installed at the bottom of the door leaf and is used to seal the gap between the door leaf and the ground. It includes a guide support frame 110, a guide frame plate 120, a silicone sealing ring 130, a trigger assembly 140, a slider assembly 150, a spring assembly 160, a transmission assembly 170 and a limit assembly 180.

[0048] Among them, a moving cavity is provided in the guide support frame 110, and its guide frame plate 120 is arranged along the moving cavity axis of the guide support frame 110, and the slider assembly 150 is installed in the slit between the guide frame plate 120 and the guide support frame 110. The silicone sealing ring 130 is engaged with the side of the guide frame plate 120 away from the slider assembly 150, and the slider assembly 150 is attached to the guide frame plate 120 but does not contact the inner wall of the guide support frame 110. The spring assembly 160 is folded inside the slider assembly 150 and the guide frame plate 120, one end of which is installed on the slider assembly 150, and the other end is fixed to the guide by the limit assembly 180. On the frame plate 120, the trigger assembly 140 is installed at one end of the slider assembly 150 away from the spring assembly 160 and passes through the guide support frame 110 and the door leaf. The trigger assembly 140 is pushed by an external force to move the slider assembly 150. After being pushed by the trigger assembly 140, the slider assembly 150 moves toward the limit assembly 180, so that the spring assembly 160 is compressed and produces elastic deformation. The deformation force of the spring assembly 160 is converted into a vertical downward thrust through its contact with the inner wall of the guide support frame 110, so as to push the guide frame plate 120 and the silicone sealing ring 130 downward in the opposite direction, thereby sealing the gap between the door leaf and the ground.

[0049] Reference Figure 2 As shown, the slider assembly 150 includes four wear-resistant slider bodies distributed at unequal intervals, and the wear-resistant slider bodies can only move along the axial direction of the guide frame plate 120.

[0050] The four wear-resistant slider bodies are divided into the first slider, the second slider, the third slider and the fourth slider according to the distance from the trigger assembly 140; the transmission assembly 170 is configured with a transmission long roller, and the two ends of the transmission long roller are respectively engaged in the first slider, the second slider and the third slider, and the two ends are locked by the first slider and the third slider. When the slider assembly 150 is moved under force, the first slider and the third slider move synchronously through the transmission long roller.

[0051] Two limiting rods 121 are provided inside the guide frame 120, one limiting rod 121 is provided between the first slider and the second slider, and the second limiting rod 121 is provided between the third slider and the fourth slider. The two limiting rods 121 are divided into a first limiting rod 121 and a second limiting rod 121 according to the distance from the trigger assembly 140.

[0052] The spring assembly 160 includes two elastic bent pieces, which are divided into a first bent piece and a second bent piece according to the distance from the trigger assembly 140. One end of the first bent piece is connected to the first slider, and passes through the slit between the limit rod 121 and the guide plate, and passes through the through groove in the third slider, and is locked on the guide frame plate 120 by the limit assembly 180. The limit assembly 180 is a matching bolt and nut; one end of the second bent piece is locked on the third slider, passes through the slit between the second limit rod 121 and the guide frame plate 120, and the other end of the second bent piece is locked on the fourth slider.

[0053] When the door leaf is closed, it rotates toward the door frame, and its trigger assembly 140 is squeezed and moved by the side wall of the door frame, pushing the first slider and the third slider to move synchronously through the long transmission roller. At this time, one end of the first bent piece moves with the first slider, and the other end is fixed by the limiting assembly 180, forcing the bent piece to bend elastically when passing through the through-slot of the third slider, and its upper convex side presses against the inner wall of the guide support frame 110 to generate a vertical reaction force.

[0054] The second curved piece, pulled by the third and fourth sliders, passes through the gap of the second limit rod 121 and forms a broken line deformation, and also pushes the guide frame plate 120 back through the inner wall of the guide support frame 110; the bidirectional bending deformation of the spring assembly 160 converts the horizontal thrust of the slider assembly 150 into a vertical downward thrust, pushing the guide frame plate 120 to drive the silicone sealing ring 130 downward, so that the silicone sealing ring 130 fits tightly with the ground. The entire process does not require electric drive, and is completely triggered by the mechanical force when the door leaf is closed, realizing adaptive sealing in a non-powered state. When the door leaf is opened, the pressure of the trigger assembly 140 is released, and the elastic recovery of the spring assembly 160 drives the slider assembly 150 to reset, and the silicone sealing ring 130 is lifted synchronously to avoid continuous friction loss with the ground.

[0055] Reference Figure 3As shown, the trigger assembly 140 includes a spiral rod 141 assembled on the first slider, a trigger spiral cap 143 spiraled on the end of the spiral rod 141 passing through the guide support frame 110, and a telescopic spring 142 sleeved on the spiral rod 141, one end of the telescopic spring 142 abuts against the trigger spiral cap 143, and the other end abuts against the guide support frame 110. The trigger spiral cap 143 moves on the spiral rod 141 to change the overall length of the trigger assembly 140, and the passive displacement distance of the trigger assembly 140 is controlled by controlling the overall length of the trigger assembly 140 to match the different height differences between the door leaf and the ground; secondly, the telescopic spring 142 can absorb the instantaneous impact force when the door leaf is closed, thereby avoiding structural damage caused by rigid collision of the trigger assembly 140.

[0056] Example 2:

[0057] Reference Figure 4-13 FIG. 2 is a second embodiment of the present invention. This embodiment is structurally improved and expanded based on the previous embodiment. The adaptive sealing device in this embodiment further includes a keel integrated base 210. A slider mechanism 230 is provided in the inner cavity of the keel integrated base 210 along the axial direction. A plurality of equally spaced guide vibration damping mechanisms 240 are mounted on the inner wall of the keel integrated base 210 along the axial direction. The plurality of guide vibration damping mechanisms 240 support and limit the movement direction of the guide mechanism. A guide trigger push rod 220 is provided at one end of the slider mechanism 230. The guide trigger push rod 220 extends outward through the keel integrated base 210.

[0058] The guide vibration reduction mechanism 240 includes two groups of vibration reduction guide units symmetrically arranged along the keel integrated base 210, which are assembled on the support plate 241 on the inner wall of the keel integrated base 210, a connecting head 242 integrated with the support plate 241, a plurality of guide long rollers 244 assembled on the connecting head 242, and a vibration reduction spring 243 sleeved on the guide long rollers 244.

[0059] The keel integrated base 210 and the guide trigger push rod 220 of this embodiment have the same structure and the same function as the guide support frame 110 and the trigger assembly 140 in the first embodiment.

[0060] The slider mechanism 230 includes a slider rectangular plate 231, and a plurality of square cavities 232 are opened at equal intervals on both sides of the slider rectangular plate 231, and a guide groove 233 is opened along the length direction of the square cavity 232 to facilitate the insertion of the guide long roller 244. Its connecting head 242 is deeply inserted into the square cavity 232, and the guide long roller 244 is inserted into the guide groove 233. One end of the shock-absorbing spring 243 arranged on the guide long roller 244 abuts against the connecting head 242, and the other end abuts against the inner wall of the slider rectangular plate 231; when the door leaf is closed quickly, the guide trigger push rod 220 is instantly subjected to a large force, which absorbs the impact vibration of the slider rectangular plate 231 during movement through the elastic deformation of the plurality of shock-absorbing springs 243, and at the same time uses the cooperation of the guide long roller 244 and the guide groove 233 to provide precise guidance for the slider rectangular plate 231, ensuring that the slider rectangular plate 231 moves along the axial direction.

[0061] Reference Figure 9 、 Figure 11 as well as Figure 13 As shown, multiple transmission mechanisms 250 are laid out at equal intervals along the bottom of the slider plate 231. One end of each transmission mechanism 250 away from the slider plate 231 is hingedly connected to a cantilever spring mechanism 260, and the bottom of the cantilever spring mechanism 260 abuts against a sealing mechanism 270.

[0062] Each set of transmission mechanisms 250 corresponds to at least one set of cantilever spring mechanisms 260, and multiple sets of sealing mechanisms 270 are laid along the axial direction of the keel integrated base 210. The slider plate 231 synchronously drives multiple transmission mechanisms 250 to rotate synchronously, so as to drive the cantilever spring mechanism 260 to deform and squeeze the sealing mechanism 270 to move, so as to seal the gap between the door panel and the ground.

[0063] like Figure 10 As shown, the inner wall of the keel integrated base 210 is equipped with multiple groups of guide vertical cylinders 211, each group of guide vertical cylinders 211 has two in number and is symmetrical about the axis of the keel integrated base 210, and a stepped cavity 212 is provided inside the guide vertical cylinder 211, and the sealing mechanism 270 is guided by the guide vertical cylinder 211 for displacement.

[0064] like Figure 11 and Figure 12 As shown, the sealing mechanism 270 includes a cover plate 271, combination rods 274 symmetrically arranged on both sides of the cover plate 271, a return spring 273 sleeved on the combination rod 274, and an expansion plate 272 for connecting the cover plate 271 and the combination rod 274; when the combination rod 274 is inserted into the stepped cavity 212 of the guide vertical cylinder 211, the two ends of the return spring 273 respectively abut against the expansion plate 272 and the guide vertical cylinder 211, and a silicone sealant 275 is adhered to the surface of the cover plate 271.

[0065] like Figure 13As shown, the transmission mechanism 250 includes a sleeve 251 arranged along the width of the slider rectangular plate 231, a bearing roller 252 that is transmitted and limited in the sleeve 251, a lever plate 253 rotatably connected to both ends of the bearing roller 252, and a cantilever spring mechanism 260 hinged to one end of the lever plate 253 away from the bearing roller 252.

[0066] A rectangular through slot 2531 is provided inside the lever plate 253, and a group of reference rods 254 are inserted into the interior of the rectangular through slot 2531. The reference rods 254 are vertically assembled on the inner wall of the keel integrated base 210; when the guide trigger push rod 220 is not subjected to force, the slider moment plate 231 abuts against the inner wall of the keel integrated base 210, the lever plate 253 is naturally tilted and suspended, and the reference rod 254 is located at the center of the rectangular through slot 2531 of the lever plate 253.

[0067] Four groups of suspended spring mechanisms and two groups of transmission mechanisms 250 are pressed on one group of sealing mechanisms 270 . The four groups of cantilever spring mechanisms 260 squeeze the sealing mechanism 270 from the four corners of the sealing mechanism 270 so that the sealing mechanism 270 is pushed out evenly.

[0068] Reference Figure 11 and Figure 13 As shown, the cantilever spring mechanism 260 includes a cantilever plate 261, and insertion holes are opened at both ends of the cantilever plate 261. A linkage rod 262 is rotatably connected to one side close to the lever plate 253, and a positioning rod 263 is rotatably connected to the other end. The positioning rod 263 is vertically inserted into the inner wall of the keel integrated base 210, and the linkage rod 262 is synchronously inserted into the inside of the lever plate 253 to link the lever plate 253.

[0069] The positioning rod 263 is disposed at one end of the cantilever piece 261 close to the guide trigger push rod 220 .

[0070] Exemplarily, the cantilever piece 261 is arranged in an arc shape with its curved surface facing downward. The purpose of the design is to ensure the bending tendency of the cantilever piece 261 when subjected to force, with the center of curvature facing away from the sealing mechanism 270.

[0071] Working Principle: When the door leaf closes, the guide trigger push rod 220 first contacts and presses against the doorframe sidewall, pushing the slider plate 231 inward along the axis of the keel integrated base 210. At this point, the long guide rollers 244 within the square cavities 232 on either side of the slider plate 231 slide within the guide grooves 233. The shock-absorbing springs 243 are compressed, elastically deforming to absorb the impact of the door closing moment. Simultaneously, the cooperation between the long guide rollers 244 and the grooves ensures that the slider plate 231 moves smoothly and in a straight line, preventing deviation.

[0072] As the slider plate 231 moves, the bearing rollers 252 in the sleeve 251 translate with the slider plate 231, driving the lever plates 253 at both ends to rotate about the reference rods 254. The reference rods 254 are located in the rectangular slots 2531 of the lever plates 253, serving as a pivot point for the lever plates 253 to tilt from their naturally tilted position to a vertical position. The bottom end of the lever plates 253 also moves downward during the rotation process.

[0073] The cantilever spring mechanism 260 hinged at one end of the lever plate 253 away from the bearing roller 252 is squeezed accordingly. One end of the cantilever piece 261 is fixed, and the other end is squeezed by the bottom of the lever plate 253. The horizontal distance between the linkage rod 262 and the positioning rod 263 is reduced, and the cantilever piece 261 is deformed under pressure and pushes the sealing mechanism 270 downward.

[0074] When the cantilevered piece 261 deforms under pressure and pushes the sealing mechanism 270 downward, the combined rod 274 of the sealing mechanism 270 moves downward along the stepped cavity 212 of the guide vertical cylinder 211, and the expansion plate 272 compresses the return spring 273, causing it to store energy. Because the four corners of each sealing mechanism 270 are simultaneously compressed by the cantilevered spring mechanism 260, and the two transmission mechanisms 250 are linked via the bearing roller 252, the silicone seal 275 on the surface of the cover plate 271 is pressed against the ground with uniform pressure.

[0075] When the door opens, the pressure on the guide trigger push rod 220 is released, and the damping spring 243 releases its stored energy, pushing the slider moment plate 231 outward. The bearing roller 252 then causes the lever plate 253 to rotate in the opposite direction. At this point, the elastic restoring force of the cantilever plate 261 pulls the lever plate 253, while the return spring 273 pushes the combination rod 274 upward along the guide vertical cylinder 211, lifting the sealing mechanism 270 off the ground. The horizontal distance between the positioning rod 263 and the linkage rod 262 returns to its initial state, the lever plate 253 returns to its natural tilted suspension, and the reference rod 254 returns to the center of the rectangular slot 2531.

[0076] Example 1 adopts an integral sealing structure of a long strip of spring sheet and a silicone sealing ring 130. The spring sheet assembly 160 is affected by the elastic deformation characteristics of the material and is prone to the phenomenon of "bulging in the middle and weak at both ends". The sealing force in the edge area is significantly reduced or even fails, and uniform sealing over the entire range cannot be achieved. However, this embodiment optimizes the integral sealing structure into multiple groups of independent sealing mechanisms 270 distributed along the axis of the keel integrated base 210. Each group of sealing mechanisms 270 is evenly squeezed from four corners by four groups of cantilever spring sheet mechanisms 260, and is linked with two groups of transmission mechanisms 250 to make the silicone sealing body 275 on the surface of the cover plate 271 fit the ground with uniform pressure. Through the independent response of the sealing mechanism 270 and the synchronous drive coordination of the rectangular plate slide, the edge failure problem of Example 1 is solved, and the sealing consistency over the entire length range is ensured through the rigid transmission chain.

[0077] Secondly, compared to the integrated sealing structure of the elongated spring element and silicone sealing ring 130 employed in Example 1, this embodiment can cope with uneven surfaces by achieving more precise sealing adaptation through differentiated designs such as the hinge point location and length of the transmission mechanism 250. This allows each transmission mechanism 250 and cantilever spring element mechanism 260 to independently adjust its response according to the undulations of the ground. For example, in areas with raised or sunken ground, the height difference can be automatically compensated through the parameterized differentiation of the transmission mechanism 250. The combination of multiple independent sealing units and a coordinated transmission mechanism in this embodiment not only ensures consistent sealing across the entire length range, but also allows for flexible adaptation to different road conditions, significantly improving the sealing contact rate and effectively resolving the problem of uneven sealing in conventional sealing structures on uneven surfaces.

[0078] Of course, the above contents are only preferred embodiments of the present invention and should not be considered as limiting the scope of the embodiments of the present invention. The present invention is not limited to the above examples. Equivalent changes and improvements made by ordinary technicians in this technical field within the essential scope of the present invention should all fall within the scope of the patent of the present invention.

[0079] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0080] Secondly: The drawings of the embodiments disclosed in the present invention only involve structures related to the embodiments disclosed in the present invention. Other structures may refer to conventional designs. The same embodiment and different embodiments of the present invention may be combined with each other without conflict.

[0081] Finally: 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 scope of protection of the present invention.

Claims

1. A non-powered adaptive sealing device for building energy-saving doors, characterized in that: It comprises a guide support frame (110), a guide frame plate (120), a silicone seal ring (130), a trigger assembly (140), a slider assembly (150), a spring assembly (160), a transmission assembly (170) and a position limiting assembly (180), wherein; The guide support frame (110) is provided with a movable cavity, and the guide frame plate (120) is arranged along the movable cavity axis of the guide support frame (110). The slider assembly (150) is installed in the slit between the guide frame plate (120) and the guide support frame (110). The silicone sealing ring (130) is engaged with the side of the guide frame plate (120) away from the slider assembly (150). The slider assembly (150) is in contact with the guide frame plate (120) but does not contact the inner wall of the guide support frame (110). The spring assembly (160) is folded inside the slider assembly (150) and the guide frame plate (120). One end of the spring assembly (160) is installed on the slider assembly (150) and the other end is limited by the limiting assembly ( 180) is fixed on the guide frame plate (120), the trigger assembly (140) is installed on one end of the slider assembly (150) away from the spring assembly (160) and passes through the guide support frame (110), the trigger assembly (140) is pushed by an external force to move the slider assembly (150), and after being pushed by the trigger assembly (140), the slider assembly (150) moves toward the limit assembly (180), so that the spring assembly (160) is compressed and elastically deformed, and the deformation force of the spring assembly (160) is converted into a vertical downward thrust through its contact with the inner wall of the guide support frame (110), so as to reversely push the guide frame plate (120) and the silicone sealing ring (130) downward.

2. The non-powered adaptive sealing device for energy-saving building doors according to claim 1, characterized in that: The trigger assembly (140) comprises a spiral rod (141) assembled on the slider assembly (150), a trigger screw cap (143) spirally connected to the end of the spiral rod (141) extending through the guide support frame (110), and a telescopic spring (142) sleeved on the spiral rod (141), one end of the telescopic spring (142) abutting against the trigger screw cap (143), and the other end abutting against the guide support frame (110).

3. The non-powered adaptive sealing device for energy-saving building doors according to claim 2, characterized in that: The invention also includes a keel integrated base (210), wherein a slider mechanism (230) is laid in the inner cavity of the keel integrated base (210) along the axial direction, and a plurality of groups of equally spaced guide vibration reduction mechanisms (240) are installed on the inner wall of the keel integrated base (210) along the axial direction. The plurality of groups of guide vibration reduction mechanisms (240) support and limit the movement direction of the guide mechanism. A guide trigger push rod (220) is arranged at one end of the slider mechanism (230), and the guide trigger push rod (220) passes through the keel integrated base (210) and extends outward.

4. The non-powered adaptive sealing device for an energy-saving building door according to claim 3, characterized in that: The guide vibration reduction mechanism (240) includes two groups of vibration reduction guide units symmetrically arranged along the keel integrated base (210), which are symmetrically arranged in the direction perpendicular to the axis of the keel integrated base (210). The guide vibration reduction mechanism (240) includes two groups of vibration reduction guide units symmetrically arranged along the keel integrated base (210), which include a support plate (241) mounted on the inner wall of the keel integrated base (210), a connecting head (242) integral with the supporting plate (241), a plurality of guide long rollers (244) assembled on the connecting head (242), and a vibration reduction spring (243) sleeved on the guide long rollers (244).

5. The non-powered adaptive sealing device for energy-saving building doors according to claim 4, characterized in that: A plurality of transmission mechanisms (250) are laid out at equal intervals along the bottom of the slider rectangular plate (231); one end of each transmission mechanism (250) away from the slider rectangular plate (231) is hingedly connected to a cantilever spring mechanism (260); and the bottom of the cantilever spring mechanism (260) is abutted against a sealing mechanism (270); Each group of transmission mechanisms (250) corresponds to a group of cantilever spring mechanisms (260) and a group of sealing mechanisms (270); a plurality of sealing mechanisms (270) are laid along the axis of the keel integrated base (210); the slider plate (231) synchronously drives the plurality of transmission mechanisms (250) to rotate synchronously, thereby driving the cantilever spring mechanisms (260) to deform and squeeze the sealing mechanisms (270) to move.

6. The non-powered adaptive sealing device for an energy-saving building door according to claim 5, characterized in that: The inner wall of the keel integrated base (210) is equipped with multiple groups of guide vertical cylinders (211), each group of guide vertical cylinders (211) is two in number and symmetrical about the axis of the keel integrated base (210), and a stepped cavity (212) is provided inside the guide vertical cylinders (211).

7. The non-powered adaptive sealing device for an energy-saving building door according to claim 6, characterized in that: The sealing mechanism (270) comprises a cover plate (271), combination rods (274) symmetrically arranged on both sides of the cover plate (271), a return spring (273) sleeved on the combination rods (274), and an expansion plate (272) for connecting the cover plate (271) and the combination rods (274); when the combination rods (274) are inserted into the stepped cavity (212) of the guide vertical cylinder (211), the two ends of the return spring (273) respectively abut against the expansion plate (272) and the guide vertical cylinder (211), and a silicone sealant (275) is adhered to the surface of the cover plate (271).

8. The non-powered adaptive sealing device for an energy-saving building door according to claim 7, characterized in that: The transmission mechanism (250) comprises a sleeve (251) arranged along the width of the slider rectangular plate (231), a bearing roller (252) that is driven and limited in the sleeve (251), and a lever plate (253) rotatably connected to both ends of the bearing roller (252). The cantilever spring mechanism (260) is hinged to one end of the lever plate (253) that faces away from the bearing roller (252).

9. The non-powered adaptive sealing device for an energy-saving building door according to claim 8, characterized in that: A rectangular through slot (2531) is provided inside the lever plate (253), and a group of reference rods (254) are inserted into the rectangular through slot (2531). The reference rods (254) are vertically assembled on the inner wall of the keel integrated base (210).

10. The non-powered adaptive sealing device for energy-saving building doors according to claim 9, characterized in that: The cantilever spring mechanism (260) includes a cantilever plate (261), and insertion holes are provided at both ends of the cantilever plate (261). A linkage rod (262) is rotatably connected to one side close to the lever plate (253), and a positioning rod (263) is rotatably connected to the other end. The positioning rod (263) is vertically inserted into the inner wall of the keel integrated base (210), and the linkage rod (262) is synchronously inserted into the interior of the lever plate (253) to link the lever plate (253).

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