Push-pull type metal door

By employing a movable sealing structure and a labyrinthine sealing method, the problem of reduced sealing performance caused by compression deformation of sliding door sealing strips has been solved, achieving good sealing performance and extended service life during high-frequency activities.

CN223814006UActive Publication Date: 2026-01-20WEIFANG XINDUN DOOR IND CO LTD
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Patent Information

Application Number
CN202520188558.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-01-20
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

The sealing strips of existing sliding doors deteriorate due to compression deformation during long-term use, affecting the oil fume blocking effect.

Method used

It adopts a movable sealing structure and a labyrinth sealing method. The sealing block rotates within the accommodating space to form an inclined seal, avoiding compression and deformation. The sealing effect is achieved by combining a feeding clamping structure and a transmission structure.

Benefits of technology

Maintaining good sealing performance during high-frequency activities of sliding doors prevents deformation of the sealing blocks due to compression, thereby improving sealing effect and service life.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223814006U_ABST
    Figure CN223814006U_ABST
Patent Text Reader

Abstract

The utility model is suitable for the field of metal doors, and provides a push-pull type metal door which comprises a fixed door and a movable door. A movable sealing structure for blocking a fitting gap is arranged between the first sealing part and the second sealing part; the movable sealing structure comprises an accommodating space arranged at the door surfaces of the two closed door bodies; a sealing stop block is rotationally mounted in the accommodating space and is driven by a driving structure to rotate; in the sealing state, the rotating sealing check block forms a blocking state in which a preset included angle is formed between the rotating sealing check block and the flowing direction of air flow in the attaching gap, so that a labyrinth-like sealing mode is constructed for the sliding door through the movable sealing structure, the sealing effect is guaranteed, and meanwhile, the sealing check block can be placed in the containing space in the normal state, so that the sealing effect is improved, and the service life of the sliding door is prolonged. Therefore, damage caused by extrusion deformation due to high-frequency movement between the sliding doors is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of metal door especially relates to a sliding type metal door. BACKGROUND

[0002] Sliding door is widely used in modern decoration, especially in the decoration and indoor layout of living environment. It is different from the traditional opening mode, adopts the mode of sliding rail movement, has the advantages of flexible operation, high space utilization rate etc. However, since the double doors are set in staggered mode, the sealing problem is an important problem to be solved. (In the present home environment, the sliding type metal door is generally applied to the kitchen door, and the oil smoke blocking effect of the sliding door determines the quality of the sliding door to a great extent).

[0003] Most of the existing sliding doors are closed by sealing strips, but with the increase of the service period of the sliding door, the sealing strip is extruded and deformed, resulting in poor sealing performance.

[0004] In summary, the prior art has obvious inconvenience and defects in actual use, so it is necessary to improve. INVENTION CONTENTS

[0005] In view of the above defects, the utility model discloses a sliding type metal door, which constructs a "labyrinth" type sealing mode for the sliding door through the movable sealing structure, ensures the sealing effect, and the sealing block under normal state is placed in the containing space, so that it will not be extruded and deformed due to the high-frequency activity between the sliding doors, thereby causing damage.

[0006] In order to achieve the above purpose, the utility model provides a sliding type metal door, which comprises a fixed door and a movable door.

[0007] According to the sliding type metal door of the utility model, the sealing block comprises a supporting block hinged in the containing space and a flexible sealing pad movably installed at the end of the supporting block.

[0008] According to the sliding type metal door of the utility model, the fixed door and the movable door have a feeding type clamping structure, which comprises a moving pin movably arranged on one of the door bodies and longitudinally moving, and a staggered guide rail arranged on the other door body and used for converting the longitudinal movement effect of the moving pin into the transverse movement effect of the movable door.

[0009] According to the push-pull type metal door, the misaligned guide rail comprises a positioning part with a spacing in the horizontal direction and a transition part in a curve connecting the two.

[0010] According to the push-pull type metal door, the sealing block is installed in the accommodating space through a rotating shaft, the rotating shaft can be pressed to move along the axial direction by the end of the moving pin or the driving end; the transmission structure for converting the movement effect of the rotating shaft into the rotating effect is arranged between the rotating shaft and the accommodating space.

[0011] According to the push-pull type metal door, the transmission structure comprises a spiral groove arranged on the outer wall of the rotating shaft and a protrusion arranged on the side wall of the accommodating space and extending into the spiral groove.

[0012] The utility model provides a kind of push-pull type metal door, including fixed door and movable door, during normal use, fixed door is in fixed state relative to guide rail, and movable door is horizontally moved relative to fixed door to realize the opening and closing work of push-pull door;Between them, movable sealing structure for plugging the fitting gap is arranged.The movable sealing structure includes the accommodating space arranged in the door surface of both after closed state;Sealing block is rotatably installed in the accommodating space, and it is rotated by the driving of a driving structure;When push-pull door is in normal opening and closing state, sealing block is placed in accommodating space by driving structure, to avoid the extrusion damage caused by door body to sealing block when push-pull door is in normal opening and closing state.And when push-pull door is in sealed state, the sealing block of rotation forms the plugging state with the predetermined angle of airflow flow direction in fitting gap, and the "labyrinth seal" structure is formed by sealing block and accommodating space side wall in inclined state, and the blocking sealing effect is formed to fitting gap.The utility model constructs the sealing mode of "labyrinth" type to push-pull door by movable sealing structure, while guaranteeing sealing effect, so sealing block will be placed in accommodating space under normal state, therefore, it will not be extruded and deformed due to high-frequency activity between push-pull doors, and further damage is caused. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the front view of the utility model;

[0014] Figure 2 is the perspective view of the utility model;

[0015] Figure 3 is Figure 2 the moving pin structure schematic view of part A in it;

[0016] Figure 4 is the structure schematic view of misaligned guide rail;

[0017] Figure 5 is the working schematic view of sealing block;

[0018] Figure 6 is the structure diagram of the spiral groove and the protrusion;

[0019] In the figure, 00 - fitting gap, 01 - fixed door, 02 - movable door, 1 - accommodation space, 2 - sealing block, 21 - support block, 22 - flexible sealing pad, 3 - moving pin, 4 - staggered guide rail, 41 - positioning portion, 42 - transition portion, 5 - rotating shaft, 51 - spiral groove, 52 - protrusion. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and examples, and it should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0021] Referring to Figure 1 and Figure 2 , the utility model provides a kind of sliding metal door, the sliding metal door includes fixed door 01 and movable door 02, in normal use process, fixed door 01 is in fixed state relative to guide rail, and movable door 02 is horizontally moved relative to fixed door 01 to realize the opening and closing work of sliding door;Between them, movable sealing structure for plugging fitting gap is provided.

[0022] Referring to Figure 3 , Figure 4 and Figure 5 , the movable sealing structure includes accommodation space 1 arranged at the door surface of the two in closed state;Sealing block 2 is rotatably installed in the accommodation space 1, and is rotated by a driving structure;When sliding door is in normal opening and closing state, sealing block 2 is driven by driving structure and placed in accommodation space 1 (sealing block 2 is placed in accommodation space 1 in horizontal state, please refer to Figure 5 ), to avoid the extrusion damage caused by door body to sealing block 2 when sliding door is in normal opening and closing state.

[0023] And when sliding door is in sealing state, rotating sealing block 2 forms plugging state with predetermined angle with airflow flow direction in fitting gap 00 (shown in 5), and "labyrinth seal" structure is formed by sealing block 2 in inclined state and side wall of accommodation space 1, to form blocking sealing effect on fitting gap.

[0024] The sealing block 2 includes support block 21 (metal or other hard material) hinged in the accommodation space 1 and flexible sealing pad 22 (such as sponge sealing strip) movably installed at the end of support block 21, after sealing block 2 is rotated to sealing state, flexible sealing pad 22 is tightly fitted with the side wall of accommodation space 1, which can optimize the sealing effect of sealing block 2.

[0025] Preferably, the fixed door 01 and the movable door 02 have a feeding type clamping structure, which comprises a moving pin 3 arranged on one of the door bodies and longitudinally moving (the mounting structure of the moving pin 3 is a prior structure, for example, the door body is provided with a mounting cavity for mounting the moving pin 3, and the moving pin 3 is movably arranged in the mounting cavity), and a staggered guide rail 4 arranged on the other door body and used for converting the longitudinal movement of the moving pin 3 into the lateral movement of the movable door 02 (in this embodiment, as shown in the figure, the staggered guide rail 4 comprises a positioning portion 41 and a transition portion 42 in a curve shape, which are spaced apart in the horizontal direction).

[0026] It should be further explained that the fixed door 01 is also fixed by the moving pin 3 in the fixed state, that is, the moving pin 3 is inserted into the pin hole arranged in the door frame to fix the position of the moving pin 3.

[0027] When the driving end of the moving pin 3 enters the staggered guide rail 4 (the moving pin 3 is shown in the figure as moving downward), with the movement of the driving end of the moving pin 3 in the staggered guide rail 4, the movable door 02 is driven to form a compensating movement (the moving distance is small) relative to the fixed door 01, which can increase the compression degree between the movable door 02 in the closed state and the door frame, and optimize the sealing effect of the movable door 02 in the closed state.

[0028] In addition, the sealing block 2 is installed in the accommodation space 1 through a rotating shaft 5, which can be pressed by the end or driving end of the moving pin 3 to move along the axial direction, that is, the rotating shaft 5 of the fixed door 01 and the movable door 02 is contacted and driven simultaneously during the downward movement of the moving pin 3.

[0029] Referring to Figure 6 , a transmission structure is arranged between the rotating shaft 5 and the accommodation space 1, which converts the movement of the rotating shaft 5 into a rotating effect. The transmission structure comprises a spiral groove 51 arranged on the outer wall of the rotating shaft 5 and a protrusion 52 arranged on the side wall of the accommodation space 1 and extending into the spiral groove 51.

[0030] During the downward movement of the moving pin 3, the rotating shaft 5 is pressed to move downward (the end of the rotating shaft 5 is mounted by a spring which drives the rotating shaft 5 to reset after the moving pin 3 is cancelled), and the rotating shaft 5 rotates during the downward movement due to the cooperation of the spiral groove 51 and the protrusion 52, and the rotating direction of the sealing block 2 on the fixed door 01 and the movable door 02 is opposite, so the rotation direction of the spiral groove 51 of the corresponding rotating shaft 5 is also opposite.

[0031] Further, the utility model discloses avoid that the mobile pin 3 is reseted and moves up under the reset action of the pivot 5 in the locking state, and the end of the installation cavity of the mobile pin 3 is provided with a locking transverse groove, and the driving handle of the mobile pin 3 can be moved into the locking transverse groove to be position-locked (the structure is the prior art structure, and the common latch structure is involved)

[0032] In conclusion, the utility model provides a kind of push-pull type metal door, including fixed door and movable door, during normal use, fixed door is in fixed state relative to guide rail, and movable door is horizontally moved relative to fixed door to realize the opening and closing work of sliding door;Between them, there is set to the sealing structure of movable type that blocks the fitting gap.The movable sealing structure includes the accommodation space set in the door surface of both after closed state;A sealing block is rotatably installed in the accommodation space, and it is rotated by the driving of a driving structure;When sliding door is in normal opening and closing state, the sealing block is placed in the accommodation space by the driving structure, to avoid the extrusion damage caused by door body to sealing block when sliding door is in normal opening and closing state.And when sliding door is in sealed state, the rotating sealing block forms the blocking state with the predetermined angle of airflow flow direction in fitting gap, and the "labyrinth seal" structure is formed by sealing block and the side wall of accommodation space in inclined state, and the blocking sealing effect is formed to fitting gap.The utility model constructs the sealing mode of "labyrinth" type to sliding door by movable sealing structure, while guaranteeing sealing effect, and because sealing block will be placed in the accommodation space in normal state, therefore, it will not be extruded and deformed due to high-frequency activity between sliding door, and further cause damage.

[0033] Of course, the utility model can also have other various embodiments, without departing from the spirit and essence of the utility model, skilled in the art person can make various corresponding changes and deformation according to the utility model, but these corresponding changes and deformation should all belong to the protection scope of the claims attached to the utility model.

Claims

1. A sliding metal door, characterized in that, Includes fixed doors and movable doors; a movable sealing structure is provided between the two to seal the gap between them; The movable sealing structure includes a receiving space disposed at the door surface of both when closed; a sealing block is rotatably installed in the receiving space, which is driven to rotate by a driving structure. When in a sealed state, the rotating sealing block forms a blockage with the airflow direction within the fitting gap at a predetermined angle.

2. The sliding metal door according to claim 1, characterized in that, The sealing block includes a support block hinged to the accommodating space and a flexible sealing gasket movably installed at the end of the support block.

3. The sliding metal door according to claim 1, characterized in that, The fixed door and the movable door are connected by a feed-type locking structure, which includes a moving pin disposed on one of the door bodies and moving longitudinally, and a misaligned guide rail disposed on the other door body for converting the longitudinal movement effect of the moving pin into the lateral movement effect of the movable door; the end of the moving pin is provided with a drive end extending into the misaligned guide rail.

4. The sliding metal door according to claim 3, characterized in that, The misaligned guide rail includes a positioning section with a gap in the horizontal direction and a curved transition section connecting the two.

5. The sliding metal door according to claim 1, characterized in that, The sealing block is installed in the accommodating space via a rotating shaft, which can be moved axially by being pressed by the end of the moving pin or the driving end. A transmission structure is provided between the rotating shaft and the accommodating space to convert the movement of the rotating shaft into rotation.

6. The sliding metal door according to claim 5, characterized in that, The transmission structure includes a spiral groove disposed on the outer wall of the shaft and a protrusion disposed on the side wall of the accommodating space and extending into the spiral groove.