Translation air-tight door

Abstract

The utility model provides a translation airtight door which comprises a door frame assembly, a door leaf assembly, a translation assembly, a guide assembly and a locking assembly, a sealing rubber strip is arranged on the front face of the door frame assembly, and a sealing slotting tool matched with the sealing rubber strip is arranged on the inner side of the door leaf assembly. The top and the bottom of the door leaf assembly are connected with the guide assembly in a sliding mode, the translation assembly is fixedly connected with the door leaf assembly, and the locking assembly is arranged on the door leaf assembly. The translation of the door leaf assembly is driven by the translation assembly, the sealing rubber strip is inserted by the sealing slotting tool, local large pressure is formed at the contact part of the rubber strip, the compression stroke is large, and an excellent sealing effect is realized. And the sealing rubber strip is driven to be uniformly compressed through the locking assembly, so that the overall sealing performance is effectively guaranteed.

Description

Technical Field

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

[0002] Sliding airtight doors are used in civil defense projects to switch ventilation routes and prevent the project from being affected by external dust and harmful gases. Conventional large airtight doors are mostly hinged rotating devices, which require a large amount of space for rotation outside the project.

[0003] For sliding airtight doors, after sliding into position, the locking mechanism is needed to compress the sealing strip to achieve the door's airtight function. However, the current sealing performance of sliding airtight doors is relatively poor and cannot meet the current requirements. Therefore, it is necessary to develop a sliding airtight door with a better sealing performance. Utility Model Content

[0004] The purpose of this invention is to provide a sliding airtight door that achieves excellent sealing effect.

[0005] According to the purpose of this utility model, this utility model provides a sliding airtight door, including a door frame assembly, a door leaf assembly, a sliding assembly, a guide assembly, and a locking assembly. The front of the door frame assembly is provided with a sealing strip, and the inner side of the door leaf assembly is provided with a sealing insert that cooperates with the sealing strip. The top and bottom of the door leaf assembly are slidably connected to the guide assembly, the sliding assembly is fixedly connected to the door leaf assembly, and the locking assembly is provided on the door leaf assembly.

[0006] Furthermore, the door frame assembly includes a door frame skeleton, the front of which is fixed with a trapezoidal groove, and the sealing strip is provided inside the trapezoidal groove.

[0007] Furthermore, the sealing strip is a trapezoidal surface closed-cell EPDM rubber strip.

[0008] Furthermore, the door panel assembly includes a door panel frame, and the sealing insert is provided on the side of the door panel frame facing the door frame assembly.

[0009] Furthermore, the translation component includes a rack and a gear, the rack being fixed to the door panel assembly, the rack meshing with the gear, and the gear being connected to a translation drive motor.

[0010] Furthermore, the guide assembly includes a graphite copper sleeve, axle, T-shaped rollers, and a track. The graphite copper sleeve is fixed to the bottom of the door panel assembly, the graphite copper sleeve is slidably fixed on the axle, and the axle is on the track via two T-shaped rollers.

[0011] Furthermore, the guide assembly also includes a guide wheel and a guide rail, the guide rail is fixed on the door frame assembly, the guide wheel is rotatably disposed within the guide rail, and the guide wheel is disposed on the top of the door leaf assembly.

[0012] Furthermore, the guide wheel is a tapered guide wheel.

[0013] Furthermore, the locking assembly includes a locking drive motor and a plurality of grooved wheels, wherein the locking drive motor is connected to the grooved wheels via a bevel gear commutator.

[0014] Furthermore, each side of the door assembly is provided with two of the grooved wheels.

[0015] This invention employs a translation component to drive the translation of the door panel assembly. A sealing insert is then inserted into the sealing strip, creating localized high pressure at the contact point. This large compression stroke achieves excellent sealing performance. The locking component further compresses the sealing strip evenly, effectively ensuring overall sealing performance. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0018] Figure 2 This is a structural schematic diagram of the door frame assembly and door leaf assembly according to an embodiment of the present utility model;

[0019] Figure 3 This is a side view of the translation state of an embodiment of the present invention;

[0020] Figure 4 This is a side view of the locked state according to an embodiment of the present invention;

[0021] Figure 5 This is a schematic diagram of the translation component according to an embodiment of the present invention;

[0022] Figure 6 This is a schematic diagram of the structure of the guide component in an embodiment of the present utility model;

[0023] Figure 7 This is a schematic diagram of the locking assembly according to an embodiment of the present invention;

[0024] In the diagram: 1. Door frame assembly; 101. Door frame skeleton; 102. Trapezoidal groove; 103. Sealing strip; 104. Sealing insert; 105. Door leaf skeleton;

[0025] 2. Door panel assembly; 201. Locking wheel; 202. Grooved wheel; 203. Translation drive motor; 204. Rack; 205. Gear;

[0026] 3. Translation assembly; 301. Graphite copper bushing; 302. Wheel and axle; 303. T-roller; 304. Track;

[0027] 4. Guide assembly; 401. Guide rail; 402. Guide wheel;

[0028] 5. Locking assembly; 501. Locking drive motor; 502. Bevel gear commutator; 503. Drive shaft. Detailed Implementation

[0029] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0030] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0031] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified. Furthermore, the terms "installed," "connected," and "linked" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] Example 1

[0033] like Figures 1-7 As shown,

[0034] A sliding airtight door includes a door frame assembly 1, a door leaf assembly 2, a sliding assembly 3, a guide assembly 4, and a locking assembly 5, wherein:

[0035] The door frame assembly 1 includes a door frame skeleton 101 composed of square tubes, which forms a sealed body through sealing welding. A trapezoidal groove 102 is sealed welded on the front side of the door frame skeleton 101. The trapezoidal groove 102 is used to install an elastic sealing strip 103. The sealing strip 103 is preferably a trapezoidal surface closed-cell EPDM rubber strip. The sealing strip 103 is embedded in the trapezoidal groove 102 for easy maintenance and replacement.

[0036] The door panel assembly 2 includes a door panel frame 105 made of square tubing. The door panel frame 105 has a sealing insert 104 formed by bending a single piece on the door frame surface. When locked, the sealing insert 104 presses into the sealing strip 103, forming a local high pressure at the contact point of the sealing strip 103, thereby achieving the overall sealing of the sliding airtight door.

[0037] The translation component 3 is realized by a gear and rack translation mechanism. The translation drive motor 203 drives the gear 205 to drive the meshing rack 204 to make linear motion. The rack 204 is fixed on the door panel 2, and finally realizes the translation movement of the door panel 2.

[0038] The door panel assembly 2 is slidably fixed to the axle 302 via the bottom graphite copper sleeve 301, enabling the overall longitudinal translational movement of the door panel assembly 2. The axle 302 rolls on the track 304 via two T-shaped rollers 303, thereby driving the overall translational movement of the door panel assembly 2.

[0039] The guide assembly 4 consists of guide wheels 402 and guide rails 401 installed at both the top and bottom, allowing the door panel assembly 2 to move along the upper and lower guide rails, ensuring the stability and consistency of the translational movement of the door panel assembly 2. The guide wheels 402 are tapered guide wheels, and their vertical adjustment changes the horizontal spacing, facilitating the adjustment of the distance between the door panel and the door frame.

[0040] The locking assembly 5 employs an eight-point curved groove wheel rotation locking system, with two locking points on each side of the sliding door. When the door panel moves horizontally, the curved groove wheel 202 faces outwards, maintaining a certain gap with the door frame to ensure no interference during the sliding motion. Once the door panel is in position, the locking drive motor 501 drives the bevel gear reversing device 502 to rotate the curved groove wheel 202, hooking it onto the locking wheel 201 on the door frame. This causes the locking wheel 201 to move along the inner groove of the curved groove wheel 202, thereby compressing the door panel's rubber strip and achieving a sealing function. The curved groove wheel 202 is designed with an elliptical running trajectory for smooth and gradual compression of the rubber strip.

[0041] Furthermore, the bevel gear commutator 502 is arranged symmetrically to ensure that the two locking wheels on the same side move relative to each other, thus canceling out the lateral force generated during the movement. The bevel gear commutator 502 is a single-input, dual-output power commutation structure. During power transmission, by adopting a 2:1 reduction ratio, the torque on each shaft can be kept equal, which facilitates the standardization and universal selection of the drive shaft 503 and bevel gears, facilitates maintenance and replacement, and can effectively reduce the output torque of the motor.

[0042] This invention employs a gear and rack transmission mechanism, where a geared motor drives the gears, which in turn move the rack on the door panel, thus achieving electric translation of the door panel. A sealing insert is inserted into a closed-cell EPDM foam sealing strip, creating localized high pressure at the strip's contact point. This results in a large compression stroke and excellent sealing performance.

[0043] This invention employs an eight-point curved groove wheel rotation locking system, with two locking points on each side of the sliding door to achieve uniform compression of the sealing strip and ensure excellent airtightness. When the door moves horizontally, the curved groove wheel opens outwards, maintaining a certain gap with the door frame to prevent interference during the door's movement.

[0044] The door panel of this invention achieves longitudinal translational movement on the guide bearing shaft through a self-lubricating graphite copper sleeve. Simultaneously, by setting depth rails within the upper and lower guide rails, the directional depth movement of the door panel is guided, ensuring longitudinal translation of the door panel towards the door frame.

[0045] This invention employs a bottom-supported guide rail, where the entire weight of the door leaf is borne by the bottom rail. Compared to top-suspended sliding doors, it can withstand greater weight, meeting the needs of large sliding airtight doors. Simultaneously, the bottom-supported structure is relatively simple, eliminating the need for complex suspension trusses. It achieves excellent sealing by creating localized high pressure at the contact points of the sealing strips and a large compression stroke. This invention utilizes an eight-point linkage locking system to uniformly compress the sealing strips, effectively ensuring overall airtightness.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A sliding airtight door, characterized in that, The device includes a door frame assembly, a door leaf assembly, a sliding assembly, a guide assembly, and a locking assembly. The front of the door frame assembly is provided with a sealing strip, and the inner side of the door leaf assembly is provided with a sealing insert that cooperates with the sealing strip. The top and bottom of the door leaf assembly are slidably connected to the guide assembly, the sliding assembly is fixedly connected to the door leaf assembly, and the locking assembly is provided on the door leaf assembly.

2. The sliding airtight door according to claim 1, characterized in that, The door frame assembly includes a door frame skeleton, and a trapezoidal groove is fixed on the front of the door frame skeleton, with the sealing strip provided inside the trapezoidal groove.

3. The sliding airtight door according to claim 1, characterized in that, The sealing strip is a trapezoidal surface closed-cell EPDM rubber strip.

4. The sliding airtight door according to claim 1, characterized in that, The door panel assembly includes a door panel frame, and the sealing insert is provided on the side of the door panel frame facing the door frame assembly.

5. The sliding airtight door according to claim 1, characterized in that, The translation component includes a rack and a gear. The rack is fixed to the door panel assembly, and the rack meshes with the gear. The gear is connected to a translation drive motor.

6. The sliding airtight door according to claim 1, characterized in that, The guide assembly includes a graphite copper sleeve, axle, T-shaped rollers, and a track. The graphite copper sleeve is fixed to the bottom of the door panel assembly and is slidably fixed on the axle. The axle is on the track via two T-shaped rollers.

7. The sliding airtight door according to claim 1, characterized in that, The guide assembly also includes a guide wheel and a guide rail. The guide rail is fixed on the door frame assembly, the guide wheel is rotatably disposed within the guide rail, and the guide wheel is disposed on the top of the door leaf assembly.

8. The sliding airtight door according to claim 7, characterized in that, The guide wheel is a tapered guide wheel.

9. The sliding airtight door according to claim 1, characterized in that, The locking assembly includes a locking drive motor and several grooved wheels, and the locking drive motor is connected to the grooved wheels through a bevel gear commutator.

10. The sliding airtight door according to claim 9, characterized in that, Two grooved wheels are provided on each side of the door assembly.

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