CN219415149U - Access door structure of air handling unit - Google Patents
Access door structure of air handling unit Download PDFInfo
- Publication number
- CN219415149U CN219415149U CN202320924024.0U CN202320924024U CN219415149U CN 219415149 U CN219415149 U CN 219415149U CN 202320924024 U CN202320924024 U CN 202320924024U CN 219415149 U CN219415149 U CN 219415149U
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- door
- plate
- door frame
- sealing plate
- guide
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Abstract
The utility model discloses an access door structure of an air handling unit, and aims to solve the defect that an existing access door sealing structure needs to be provided with an additional control button and power. The door comprises a door frame, a door plate and a guide structure, wherein the door plate is hinged on the door frame, the door plate is provided with a sealing plate which stretches out and draws back along the width direction, the height of the sealing plate is adapted to the door plate, and the sealing plate is driven by the guide structure to abut against the door frame when the door plate is closed. According to the automatic extension and retraction device, the sealing plate is automatically extended and retracted through the relative position cooperation guide structure between the door plate and the door frame, so that the air tightness of the access door is achieved, and the operation of additionally controlling the sealing device is omitted.
Description
Technical Field
The utility model relates to the field of air treatment, in particular to an access door structure of an air treatment unit.
Background
The air treatment unit is mainly used for filtering out harmful substances such as dust, smoke dust, black smoke, organic particles and the like in the air through a filter after mixing fresh air outside the room with part of return air in the room. The air handling unit is a centralized air handling system. In the use process of the air treatment unit, more or less faults can occur, and in order to be able to overhaul the air treatment unit, an access door needs to be installed on the box body of the air treatment unit, so that maintenance personnel can conveniently enter and exit and carry and replace parts. Because the whole air treatment unit has the requirements of heat preservation and air leakage rate, the access door is a weak link of unit leakage and heat preservation, and the heat preservation and the sealing performance of the access door are particularly noted during design and installation.
Current access doors require additional buttons for the structure of the air-tight device in order to improve the air tightness. The application aims at aiming at the defects, and provides an access door structure of an air treatment unit, which is capable of automatically unfolding an airtight structure when a door is opened and closed, so that the air tightness of the access door is improved.
Disclosure of Invention
The utility model overcomes the defect that the existing access door sealing structure needs to be provided with an additional control button and power, and provides the access door structure of the air treatment unit, which can automatically open and close the door and simultaneously automatically open and close the airtight structure, thereby improving the air tightness of the access door.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides an access door structure of air handling unit, includes door frame, door plant and guide structure, and the door plant is articulated to be connected on the door frame, and the door plant is equipped with the closing plate that stretches out and draws back along width direction, and the height of closing plate is adapted with the door plant, and the closing plate is configured to receive guide structure's drive in order to butt door frame when the door plant is closed.
The application provides an access door structure for improve the gas tightness of access door, especially detect the airtight ability between door horizontal direction's and door frame. Specifically, the relative movement between the door and the door frame is used as kinetic energy to drive the guide structure to drive the sealing plate to move and seal the door, so that the air tightness between the door plate and the door frame is improved, and additional operation is avoided.
Preferably, the guide structure comprises a guide rod, a first wedge block and a second wedge block, the guide rod is elastically connected to the door plate, the door frame is provided with the first wedge block adaptive to the guide rod, the first wedge block is configured to push the guide rod to descend when the door plate is closed, the rod body of the guide rod is provided with the second wedge block, the sealing plate is fixedly connected with a push rod, the push rod is elastically connected with the door plate, and the second wedge block is configured to push the push rod to move when the guide rod descends. The guide structure is powered by the relative movement of the door panel adjacent to the door frame. When the door plant is close to the door frame, first wedge and guide bar butt and at foretell in-process, the guide bar overcomes elastic force and pushes down. The second wedge-shaped block on the side wall of the guide rod is driven to synchronously descend by the downward-pressed guide rod, the push rod is pushed to move by the second wedge-shaped block, the push rod overcomes the elastic force to move, and the sealing plate is driven to extend out and abut against the door frame to realize sealing.
Preferably, the door frame is provided with an embedded groove corresponding to the sealing door. The sealing door stretches into the embedded groove, so that a better sealing effect is achieved.
Preferably, a plurality of second wedge blocks are arranged on the guide rod, and the number of push rods is adapted to the number of the second wedge blocks. The second wedge blocks have better guiding effect, so that the smoothness degree of the extension of the sealing plate is ensured.
Preferably, the top of the guide bar is provided with a pulley. Rolling friction is used for replacing static friction, so that the door opening and closing is smoother.
Preferably, the door panel is provided with a first sealing plate and a second sealing plate, and when the door panel is closed, the first sealing plate moves leftwards, and the second sealing plate moves rightwards. The first sealing plate and the second sealing plate respectively cover gaps on the left side and the right side of the door plate and the door frame, and better airtight capability is achieved.
Compared with the prior art, the utility model has the beneficial effects that: according to the automatic extension and retraction device, the sealing plate is automatically extended and retracted through the relative position cooperation guide structure between the door plate and the door frame, so that the air tightness of the access door is achieved, and the operation of additionally controlling the sealing device is omitted.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a guide structure of the present utility model;
in the figure:
door frame 1, door plant 2, guide bar 3, first wedge 4, second wedge 5, push rod 6, embedded groove 7, pulley 8, first closing plate 9, second closing plate 10, baffle 11.
Detailed Description
The disclosure is further described below with reference to the drawings and examples.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
Examples:
the utility model provides an access door structure of air handling unit, as shown in fig. 1, includes door frame 1, door plant 2 and guide structure, and door plant 2 articulates and connects on door frame 1, and door plant 2 is equipped with the flexible closing plate along width direction, and the height of closing plate is adapted to with door plant 2, and the closing plate is configured to receive guide structure's drive in order to butt door frame 1 when door plant 2 is closed.
The present application provides an access door structure for improving the air tightness of an access door, in particular, the air tightness between a door frame 1 in the horizontal direction of a detection door. Specifically, the relative movement between the door and the door frame 1 is used as kinetic energy to drive the guide structure to drive the sealing plate to move and seal the door, so that the air tightness between the door plate 2 and the door frame 1 is improved, and additional operation is avoided.
As shown in fig. 2, the guiding structure includes a guiding rod 3, a first wedge block 4 and a second wedge block 5, the guiding rod 3 is elastically connected to the door panel 2, the door frame 1 is provided with the first wedge block 4 adapted to the guiding rod 3, the first wedge block 4 is configured to push the guiding rod 3 to descend when the door panel 2 is closed, the rod body of the guiding rod 3 is provided with the second wedge block 5, the sealing plate is fixedly connected with a push rod 6, the push rod 6 is elastically connected to the door panel 2, and the second wedge block 5 is configured to push the push rod 6 to move when the guiding rod 3 descends. The guide structure is powered by the relative movement of the door panel 2 adjacent the door frame 1. When the door panel 2 approaches the door frame 1, the first wedge 4 abuts against the guide rod 3 and the guide rod 3 is pressed down against the elastic force in the aforesaid process. The second wedge-shaped block 5 on the side wall of the downward-pressed guide rod 3 is driven to synchronously descend, the second wedge-shaped block 5 pushes the push rod 6 to move, the push rod 6 overcomes the elastic force to move, and the sealing plate is driven to extend out and abut against the door frame 1, so that sealing is achieved. Specifically, the top of the guide rod 3 is provided with a pulley 8. Rolling friction is used for replacing static friction, so that the door opening and closing is smoother. The guiding structure and the sealing plate in the present application are arranged in an interlayer of the door panel 2, the door panel 2 comprising foam layers on both sides and a guiding structure in the middle.
In some embodiments, the guide rod 3 is provided with a plurality of second wedge-shaped blocks 5, and the number of pushing rods 6 is adapted to the number of the second wedge-shaped blocks 5. The plurality of second wedge blocks 5 have better guiding function, and ensure the smoothness degree of the extension of the sealing plate.
In some possible embodiments, the door panel 2 is provided with a first sealing plate 9 and a second sealing plate 10, the first sealing plate 9 moving to the left and the second sealing plate 10 moving to the right when the door panel 2 is closed. The first sealing plate 9 and the second sealing plate 10 respectively cover gaps on the left side and the right side of the door plate 2 and the door frame 1, and better airtight capability is achieved.
The door frame 1 is provided with an embedded groove 7 corresponding to the sealing door. The sealing door extends into the embedded groove 7, so that a better sealing effect is achieved.
For the clearance between door plant 2 and door frame 1 upper and lower both ends, can set up corresponding baffle on door frame 1, when door plant 2 was closed, door plant 2 had the partial coincidence with the baffle, and the coincidence part laminating.
The above-described embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.
Claims (6)
1. The utility model provides an access door structure of air handling unit, its characterized in that includes door frame, door plant and guide structure, and the door plant articulates to be connected on the door frame, and the door plant is equipped with the flexible closing plate along width direction, and the height of closing plate is adapted to with the door plant, and the closing plate is configured to receive guide structure's drive in order to butt door frame when the door plant is closed.
2. The access door structure of an air handling unit according to claim 1, wherein the guide structure comprises a guide rod, a first wedge block and a second wedge block, the guide rod is elastically connected to the door panel, the door frame is provided with the first wedge block adapted to the guide rod, the first wedge block is configured to push the guide rod to descend when the door panel is closed, the rod body of the guide rod is provided with the second wedge block, the sealing plate is fixedly connected with a push rod, the push rod is elastically connected to the door panel, and the second wedge block is configured to push the push rod to move when the guide rod descends.
3. An access door structure for an air treatment unit according to claim 2, wherein the door frame is provided with an insertion groove corresponding to the seal door.
4. An access door structure for an air handling unit according to claim 2, wherein the guide bar is provided with a plurality of second wedge-shaped blocks, and the number of push rods is adapted to the number of second wedge-shaped blocks.
5. An access door structure for an air treatment unit according to claim 2, wherein the top of the guide bar is provided with a pulley.
6. An access door structure for an air treatment unit according to any one of claims 2 to 5, wherein the door panel is provided with a first sealing plate and a second sealing plate, the first sealing plate being moved leftwards and the second sealing plate being moved rightwards when the door panel is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320924024.0U CN219415149U (en) | 2023-04-23 | 2023-04-23 | Access door structure of air handling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320924024.0U CN219415149U (en) | 2023-04-23 | 2023-04-23 | Access door structure of air handling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219415149U true CN219415149U (en) | 2023-07-25 |
Family
ID=87228575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320924024.0U Active CN219415149U (en) | 2023-04-23 | 2023-04-23 | Access door structure of air handling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219415149U (en) |
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2023
- 2023-04-23 CN CN202320924024.0U patent/CN219415149U/en active Active
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