Off-axis door structure capable of being opened by 180 degrees
By setting paired sealing components and cross reinforcing ribs in the off-axis door structure, the problems of connection gaps and deformation of the off-axis door are solved, achieving efficient sealing and deformation resistance.
Patent Information
- Application Number
- CN202520682371.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-11
AI Technical Summary
The existing off-axis door has a gap at the connection point with the door frame, which allows dust to enter the room, increases sound transmission, and reduces the airtightness. At the same time, the door is prone to deformation under long-term use and external impact, affecting its performance.
The door employs paired sealing components on both sides and inside the door frame, including U-shaped plate clamps, magnetic blocks, limiting blocks, and elastic sealing gaskets, achieving dynamic sealing through magnetic attraction and elastic deformation; longitudinal and transverse reinforcing ribs are distributed crosswise inside the door to form a three-dimensional skeleton to enhance bending resistance.
It achieves a tight fit between the door and the door frame, blocking dust and noise, improving sealing and sound insulation performance, while preventing door deformation and extending service life.
Smart Images

Figure CN223908071U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of off -axis door, concretely is a kind of off -axis door structure of 180 degree opening. BACKGROUND
[0002] Off -axis door is a kind of door class which is designed with axis off sideline, supported by heaven and earth shaft, its core feature is that it can realize large-angle rotation opening and closing (up to 270 °) and provide flexible space utilization scheme.
[0003] In the prior art, as disclosed in CN214463815U, an ultrahigh and ultrawide off-axis rotating folding door structure is disclosed, which comprises a steel beam, a pre-embedded part and a folding door assembly. The steel beam is connected with an upper base. The pre-embedded part is arranged underground, and a lower base is arranged on the pre-embedded part. The folding door assembly comprises a main door body and a suspended door body. The upper connecting seat is rotatably connected with the upper base, and the lower connecting seat is rotatably connected with the lower base. The suspended door body is rotatably connected to the main door body.
[0004] Although the above-mentioned patent reduces the opening and closing resistance by providing a suspended door, it makes the suspended door open and close smoothly and labor-saving, and the use experience is good. However, a gap is formed at the connection position of the off-axis door and the door frame, which leads to dust entering the room and increases the propagation of sound, reduces the sealing performance and reduces the sound insulation. In addition, the door body 1 is affected by long-term opening and closing and external impact, which causes the door body to deform and affects the use. Therefore, a 180-degree opening off-axis door structure is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the shortcomings of the prior art, the connection position of the off-axis door and the door frame produces a certain gap, which leads to dust entering the room, increases the propagation of sound, reduces the sealing performance and reduces the sound insulation. In addition, the door body 1 is affected by long-term opening and closing and external impact, which causes the door body to deform and affects the use. Therefore, a 180-degree opening off-axis door structure is proposed to solve the above problems.
[0006] The technical scheme adopted by the utility model to solve its technical problems is as follows: the utility model discloses a 180-degree opening off-axis door structure, which comprises a door body. The door body is provided with a top-side heaven shaft block and a bottom-side earth shaft block. The door body is provided with a door frame on both sides. Longitudinal A grooves are formed on the surfaces of the door body on both sides. Longitudinal B grooves are formed in the door frame. A pair of sealing assemblies are arranged in the A grooves and the B grooves, respectively.
[0007] The sealing assembly comprises a U-shaped plate clamp, a clamping groove, a limiting block, a cylindrical block, an elastic sealing gasket and a magnetic attraction block, the U-shaped plate clamp is embedded in the A groove and the B groove, the magnetic attraction block is arranged on the inner side of the U-shaped plate clamp, the magnetic attraction blocks in the A groove and the B groove are arranged in opposite magnetic attraction, clamping grooves are arranged on both sides of the inner side of the U-shaped plate clamp, the cylindrical blocks are arranged in the clamping grooves, and the limiting blocks are arranged on the inner sides of the clamping grooves to constrain the movement range of the cylindrical blocks.
[0008] The door body is internally provided with longitudinally distributed longitudinal reinforcing ribs and transversely distributed transverse reinforcing ribs, the longitudinal reinforcing ribs and the transverse reinforcing ribs are cross-welded or integrally formed, and the distribution directions are parallel and perpendicular to the plane of the door body.
[0009] Preferably, the magnetic attraction blocks of the sealing assembly in the B groove of the door frame are arranged in magnetic attraction cooperation with the magnetic attraction blocks of the sealing assembly in the A groove of the door body.
[0010] Preferably, the magnetic attraction force of the magnetic attraction blocks drives the elastic sealing gaskets to be pressed and attached to each other when the A groove and the B groove are closed, and the displacement of the elastic sealing gaskets is compensated by the movement of the cylindrical blocks in the clamping grooves.
[0011] Preferably, the elastic sealing gaskets cover the edges of the U-shaped plate clamp and are connected by the two end cylindrical blocks to form a U-shaped structure, and the cylindrical blocks are gap-fitted with the inner sides of the clamping grooves.
[0012] Preferably, the longitudinal length of the U-shaped plate clamp is the same as the height of the door body, and the magnetic attraction blocks arranged in the U-shaped plate clamp are located on the inner side of the elastic sealing gaskets.
[0013] Preferably, the elastic sealing gaskets form a U-shaped clamping structure through the two side cylindrical blocks, and the axial dimension of the cylindrical blocks is smaller than the axial space of the clamping grooves.
[0014] The utility model discloses the beneficial effect lies in:
[0015] 1. The utility model discloses a pair of sealing assemblies are arranged in the A groove and the B groove of the door body and the door frame, cooperate with the magnetic attraction of the magnetic attraction blocks in the U-shaped plate clamp, when the door body is closed, the magnetic attraction blocks in the A groove and the B groove attract each other, drive the elastic sealing gasket to go up and attach to each other, and the cylindrical blocks are movable in the clamping groove, compensate the assembly error between the door body and the frame, form dynamic sealing, the magnetic attraction force makes the elastic sealing gasket actively press and attach to each other when closing, the clearance cooperation between the cylindrical blocks and the clamping groove provides displacement compensation, and the door gap is filled under the double action, and dust and noise transmission are blocked.
[0016] 2. The utility model discloses a grid support is formed by welding or integrated moulding mode through the longitudinal reinforcing rib and the transverse reinforcing rib of door body inside cross distribution, and the longitudinal reinforcing rib extends along the height of door body, and the transverse reinforcing rib is perpendicular distribution, and the bending resistance of door body is strengthened in coordination, and the cross reinforcing rib forms the stereoscopic framework, and the stress of door body is dispersed under the impact of external force or long -term opening and closing, prevents the partial local depression of door board or the whole deformation, prolongs the life. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the embodiment or prior art description needed to use the drawing of simple introduction, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.
[0018] Figure 1 It is the whole structure schematic diagram of the utility model;
[0019] Figure 2 It is the door frame structure schematic diagram of the utility model;
[0020] Figure 3 It is the structure schematic diagram of the utility model's heaven axle block and ground axle block;
[0021] Figure 4 It is the Figure 3 The structure schematic diagram of enlarged view in A place in middle;
[0022] Figure 5 It is the structure schematic diagram of longitudinal reinforcing rib and transverse reinforcing rib of the utility model.
[0023] In the drawing: 1, door body;2, heaven axle block;3, door frame;4, A recess;5, B recess;6, sealing assembly;61, U type board clamp;62, clamping groove;63, limit block;64, cylindrical block;65, elastic sealing gasket;66, magnetic attraction block;7, longitudinal reinforcing rib;8, transverse reinforcing rib;9, ground axle block. DETAILED DESCRIPTION
[0024] The technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model, obviously, the described embodiment only is a part of the embodiment of the utility model, instead of all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by ordinary skilled person in the art without making creative labor belong to the scope of protection of the utility model.
[0025] Please refer to Figures 1-5As shown, a 180-degree open off-axis door structure includes a door body 1; the top side of the door body 1 is provided with a sky shaft block 2, and the corresponding side of the bottom is provided with a ground shaft block 9; the two side edges of the door body 1 are provided with door frames 3; the two side surfaces of the door body 1 are provided with longitudinally extending A grooves 4; the door frames 3 are provided with longitudinally extending B grooves 5 corresponding to the A grooves 4; and the A grooves 4 and the B grooves 5 are respectively provided with pairs of sealing assemblies 6; the sealing assembly 6 includes a U-shaped plate clamp 61, a clamping groove 62, a limiting block 63, a cylindrical block 64, an elastic sealing gasket 65, and a magnetic block 66; the U-shaped plate clamp 61 is embedded in the A groove 4 and the B groove 5; the magnetic block 66 is arranged on the inner side of the U-shaped plate clamp 61; the magnetic blocks 66 in the A groove 4 and the B groove 5 are arranged in a magnetic attraction manner; the two sides of the U-shaped plate clamp 61 are provided with the clamping groove 62; the clamping groove 62 is provided with the cylindrical block 64; and the inner side of the clamping groove 62 is provided with the limiting block 63 to limit the movement range of the cylindrical block 64.
[0026] In operation, the top side of the door body 1 is fixedly installed with the sky shaft block 2 through bolts, and the corresponding side of the bottom is pre-buried with the ground shaft block 9; the door body 1 rotates around the axis of the sky shaft block 2 and the ground shaft block 9 by 180 degrees to open and close; the two side edges of the door body 1 are connected with the door frames 3 through welding or buckling; the two side surfaces of the door body 1 are machined to form longitudinally extending A grooves 4; the inner side of the door frame 3 is provided with a depth-matched B groove 5; the A groove 4 and the B groove 5 are respectively inserted with pairs of sealing assemblies 6; the same side of the sky shaft block 2 and the ground shaft block 9 ensures the stable track of the door body 1; the symmetrical design of the A groove 4 and the B groove 5 provides accurate alignment space for the sealing assembly 6, avoiding sealing failure caused by the deviation of the door body 1; the U-shaped plate clamp 61 of the sealing assembly 6 is integrally formed by aluminum alloy profile; the magnetic block 66 is made of permanent magnet or electromagnet material; the two inner walls of the U-shaped plate clamp 61 are provided with clamping grooves 62; the inner side of the clamping groove 62 is welded with a limiting block 63; the cylindrical block 64 is made of nylon or rubber material, and the outer diameter of the cylindrical block 64 is smaller than the inner diameter of the clamping groove 62; the cylindrical block 64 is inserted into the clamping groove 62 and limited in axial displacement by the limiting block 63; the elastic sealing gasket 65 is made of silica gel material, and the two ends of the elastic sealing gasket 65 are wrapped around the cylindrical block 64 and extend to the outer side of the U-shaped plate clamp 61 to form a U-shaped sealing lip; the modular design of the U-shaped plate clamp 61 simplifies the installation process; the elastic deformation of the magnetic block 66 and the elastic sealing gasket 65 realizes self-adaptive pressure compensation of the sealing surface when closed.
[0027] Further, the door body 1 is provided with cross-distributed longitudinal reinforcing ribs 7 and transverse reinforcing ribs 8; the longitudinal reinforcing ribs 7 and the transverse reinforcing ribs 8 are cross-welded or integrally formed; the distribution directions are parallel and perpendicular to the plane of the door body 1; the magnetic blocks 66 of the sealing assemblies 6 in the B grooves 5 of the door frames 3 are arranged in a magnetic attraction manner with the magnetic blocks 66 of the sealing assemblies 6 in the A grooves 4 of the door body 1.
[0028] In operation, the door body 1 is internally formed with longitudinal reinforcing ribs 7 and transverse reinforcing ribs 8 by stamping or welding process, the longitudinal reinforcing ribs 7 are arranged at equal intervals along the height direction of the door body 1, and the transverse reinforcing ribs 8 are perpendicularly welded at the intersection of the longitudinal reinforcing ribs 7 to form a grid-shaped support structure; the thickness of the reinforcing ribs is 1.2-1.5 times the thickness of the door body 1, and the material is the same as that of the door body 1.
[0029] Further, the magnetic attraction force of the magnetic block 66 drives the elastic sealing gasket 65 to be pressed and fitted when the A groove 4 and the B groove 5 are closed, and the displacement of the elastic sealing gasket 65 is compensated by the movement of the cylindrical block 64 in the clamping groove 62.
[0030] In operation, when the door body 1 is closed, the A groove 4 of the door body 1 is aligned with the B groove 5 of the door frame 3, the magnetic blocks 66 in the two grooves are attracted to each other due to opposite magnetic properties, the magnetic attraction force drives the elastic sealing gasket 65 to be pushed outward, at this time the U-shaped sealing lip of the elastic sealing gasket 65 is pressed and deformed, and at the same time the cylindrical block 64 slides in the clamping groove 62 along the axial direction to compensate for the assembly gap between the door body 1 and the door frame 3, finally the two sealing lips are tightly fitted to form a double sealing barrier, the magnetic attraction force and the flexible deformation of the elastic sealing gasket 65 are combined to dynamically eliminate the assembly tolerance between the door body 1 and the frame, and improve the air tightness and sound insulation performance.
[0031] Further, the elastic sealing gasket 65 covers the edge of the U-shaped plate clamp 61 and is connected by the two end cylindrical blocks 64 to form a U-shaped structure, the cylindrical block 64 is matched with the internal gap of the clamping groove 62, the longitudinal length of the U-shaped plate clamp 61 is the same as the height of the door body 1, and the magnetic block 66 arranged inside is located inside the elastic sealing gasket 65 of the U-shaped clamping structure, the elastic sealing gasket 65 forms a U-shaped clamping structure through the two side cylindrical blocks 64, and the axial size of the cylindrical block 64 is smaller than the axial space of the clamping groove 62.
[0032] In operation, the elastic sealing gasket 65 forms a U-shaped clamping structure through the two side cylindrical blocks 64, the axial size of the cylindrical block 64 is smaller than the axial space of the clamping groove 62, the modular design of the U-shaped plate clamp 61 simplifies the installation process, and the elastic deformation of the magnetic block 66 and the elastic sealing gasket 65 cooperates to realize pressure compensation of the sealing surface when closed.
[0033] Working principle: the door body 1 is supported by the top sky block 2 and the bottom ground block 9, rotates 180° around the same side axis to open and close, and when the door body is closed, the two side edges are embedded in the two side door frames 3 to realize precise positioning of the closed state of the door body 1 through the limiting action of the door frame 3.
[0034] When the door body 1 is closed to the door frame 3, the sealing assembly 6 in the A groove 4 of the door body 1 is in the opposite position with the sealing assembly 6 in the B groove 5 of the door frame, at this time, the magnetic attraction block 66 of the U-shaped plate clamp 61 in the A groove 4 and the magnetic attraction block 66 in the B groove are attracted due to the opposite magnetism, and the magnetic attraction force drives the two sealing assemblies 6 to approach each other, the magnetic attraction force acts on the inside of the U-shaped plate clamp 61, pushes the elastic sealing gasket 65 to displace outward, at the same time, the cylindrical blocks 64 on both sides of the elastic sealing gasket 65 slide in the clamp groove 62, and the assembly gap between the door body 1 and the door frame 3 is compensated, finally, the elastic sealing gaskets 65 in the two grooves are tightly attached under the double action of the magnetic attraction force and the mechanical extrusion, a continuous U-shaped sealing surface is formed, the gap between the door body 1 and the door frame is completely blocked, and the dustproof, sound insulation and air tightness are improved;
[0035] The elastic sealing gasket 65 is matched with the gap of the clamp groove 62 through the cylindrical blocks 64 on both sides, the axial dimension of the cylindrical blocks 64 is smaller than the space 1-2mm of the clamp groove 62, in the magnetic attraction and attachment process, the cylindrical blocks 64 can move axially along the clamp groove 62, and are limited by the limiting block 63 on the inside of the clamp groove 62, so that the cylindrical blocks 64 are prevented from coming out. This design enables the elastic sealing gasket 65 to adaptively deform when the door body 1 is frequently opened and closed, reduces material fatigue cracking caused by long-term extrusion, and prolongs the sealing life.
[0036] The longitudinal reinforcing ribs 7 in the door body 1 extend along the height direction of the door body 1, and the transverse reinforcing ribs 8 are perpendicular to the longitudinal reinforcing ribs 7 and are welded on the longitudinal reinforcing ribs 7, forming a cross grid structure, when the door body 1 is impacted by external force or subjected to long-term opening and closing load, the cross reinforcing ribs uniformly disperse the stress to the whole door body 1, significantly reduce the risk of local deformation, and ensure that the door body 1 maintains structural stability during 180° rotation.
[0037] The preferred embodiments of the utility model have been described in detail above, and those skilled in the art can modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to some technical features. Any modification, equivalent replacement, similar improvement, etc. within the theoretical and principle contents of the utility model should be included in the protection scope of the utility model.
Claims
1. A 180 degree swing off-axis door structure, characterized by: The utility model relates to a door frame sealing structure, including door body (1), one side of the top of door body (1) is equipped with the heaven axle block (2), the bottom corresponding side is equipped with the ground axle block (9), both sides edges of door body (1) are equipped with door frame (3), the both sides surface of door body (1) is equipped with the longitudinal extension A groove (4), and the inside corresponding of door frame (3) is equipped with the longitudinal extension B groove (5), and the A groove (4) with B groove (5) respectively is equipped with a pair of sealing assembly (6) in, The sealing assembly (6) includes a U-shaped plate clamp (61), a clamping groove (62), a limiting block (63), a cylindrical block (64), an elastic sealing gasket (65), and a magnetic attraction block (66). The U-shaped plate clamp (61) is embedded in the A groove (4) and the B groove (5). The magnetic attraction block (66) is arranged on the inner side of the U-shaped plate clamp (61). The magnetic attraction blocks (66) in the A groove (4) and the B groove (5) are arranged in a magnetic attraction manner. The U-shaped plate clamp (61) is provided with a clamping groove (62) on both sides of the inner side. The clamping groove (62) is provided with a cylindrical block (64). The inner side of the clamping groove (62) is provided with a limiting block (63) to constrain the movement range of the cylindrical block (64). The door body (1) is provided with longitudinally distributed longitudinal reinforcing ribs (7) and transversely distributed transverse reinforcing ribs (8). The longitudinal reinforcing ribs (7) and the transverse reinforcing ribs (8) are cross-welded or integrally formed. The distribution direction is parallel or perpendicular to the plane of the door body (1).
2. A 180-degree swing off-axis door structure according to claim 1, characterized in that: The magnetic attraction block (66) of the sealing assembly (6) in the B groove (5) of the door frame (3) is arranged in a magnetic attraction manner with the magnetic attraction block (66) of the sealing assembly (6) in the A groove (4) of the door body (1).
3. A 180-degree swing, off-axis door structure according to claim 1, wherein: The magnetic attraction force of the magnetic attraction block (66) drives the elastic sealing gasket (65) to be pressed and fitted with each other when the A groove (4) and the B groove (5) are closed. The displacement of the elastic sealing gasket (65) is compensated by the movement of the cylindrical block (64) in the clamping groove (62).
4. A 180-degree swing, off-axis door structure according to claim 1, wherein: The elastic sealing gasket (65) covers the edges of the U-shaped plate clamp (61) and forms a U-shaped structure through the two-end cylindrical blocks (64). The cylindrical block (64) is matched with the gap in the clamping groove (62).
5. A 180-degree swing, off-axis door structure according to claim 1, wherein: The longitudinal length of the U-shaped plate clamp (61) is the same as the height of the door body (1). The magnetic attraction block (66) arranged in the U-shaped plate clamp (61) is located on the inner side of the elastic sealing gasket (65) of the U-shaped clamping structure.
6. A 180-degree swing, off-axis door structure according to claim 1, wherein: The elastic sealing gasket (65) forms a U-shaped clamping structure through the two-side cylindrical blocks (64). The axial dimension of the cylindrical block (64) is smaller than the axial space of the clamping groove (62).
Citation Information
Patent Citations
Ultra-high and ultra-wide off-axis rotary folding door structure
CN214463815U