A filter screen mounting structure of a fan-coil unit of a central air conditioner

Abstract

This utility model discloses a filter installation structure for a central air conditioning terminal fan coil unit, belonging to the field of filter installation technology. It includes a fan coil unit with a panel installed at its bottom. A limiting frame is installed on the upper inner wall of the panel, and a filter plate and a grille are respectively provided below the limiting frame. The grille and panel are detachably installed via an installation mechanism. During installation, the filter plate is placed on top of the grille, and then the pull groove is pulled to move the sliding plate, causing the pin to move into the grille. Simultaneously, the sliding plate compresses a spring, sending the grille and filter plate into the panel. After the filter plate contacts the limiting frame, it is fixed between the limiting frame and the grille. Then, the pull groove is released, and the spring's restoring force returns the sliding plate to its original position, causing the pin to insert into the connecting hole, thus fixing the panel and grille. For disassembly, the pull groove is pulled again to disengage the pin from the connecting hole. Only one side needs to be operated to simultaneously install and remove the filter plate and grille.

Description

Technical Field

[0001] This utility model relates to a filter installation structure for a central air conditioning terminal fan coil unit, belonging to the field of filter installation technology. Background Technology

[0002] The fan coil unit filter of a central air conditioning system is a crucial component. It mainly ensures system operating efficiency and indoor air quality by filtering impurities in the air. When indoor air passes through the fan coil unit, the filter intercepts solid particles such as dust, hair, fibers, and pollen.

[0003] In the existing technology, the bottom of the fan coil unit is equipped with an air intake grille, and the filter screen is installed above the air intake grille. However, the two are usually fixed separately on the fan coil unit. When the filter screen needs to be cleaned or replaced, the air intake grille must be removed first, and then the filter screen must be removed. This requires two disassembly and reassembly, which is not convenient. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a central air conditioning terminal fan coil unit filter installation structure, which realizes the one-time disassembly and assembly of the grille and filter plate, making it more convenient.

[0005] The technical solution adopted by this utility model to solve its technical problem is:

[0006] A filter installation structure for a central air conditioning terminal fan coil unit includes: a fan coil unit, a panel installed at the bottom of the fan coil unit, a limiting frame installed on the upper part of the inner wall of the panel, a filter plate and a grille respectively provided below the limiting frame, and the grille and the panel being detachably installed via an installation mechanism.

[0007] Preferably, the mounting mechanism includes two bottom grooves, which are respectively opened on both sides of the bottom of the grille. A sliding plate is slidably installed in the bottom groove. A plurality of pins that are slidably connected to the grille are installed on one side of the sliding plate. A connection hole that is slidably connected to the pins is opened on the inner wall of the panel. The other side of the sliding plate is connected to the grille by a spring.

[0008] Preferably, threaded discs are installed on both sides of the spring, and threaded grooves are provided on both the slide plate and the grid.

[0009] Preferably, a guide rod is installed in the bottom groove, and the guide rod is slidably connected to the slide plate.

[0010] Preferably, a groove is formed in the middle of the bottom of the skateboard.

[0011] Compared with the prior art, the advantages of this utility model are as follows: During installation, the filter plate is placed on top of the grid, and then the pull groove is pulled to move the sliding plate, which in turn moves the pin into the grid. While the sliding plate is moving, the spring is compressed, and then the grid and filter plate are sent into the panel. After the filter plate contacts the limiting frame, the filter plate is fixed between the limiting frame and the grid. Then the pull groove is released, and the restoring force of the spring allows the sliding plate to return to its original position, which drives the pin to insert into the connecting hole, thus fixing the panel and the grid. When disassembling, the pull groove is pulled again to make the pin leave the connecting hole. Only one side needs to be operated to install and disassemble the filter plate and the grid at the same time, making the operation more convenient. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the exploded structure of this utility model;

[0015] Figure 3 For the present utility model Figure 2 A magnified schematic diagram of the structure at point A;

[0016] Figure 4 This is a schematic diagram of the installation mechanism of this utility model.

[0017] In the diagram: 1. Fan coil unit; 2. Panel; 3. Limiting frame; 4. Filter plate; 5. Grille; 6. Mounting mechanism; 601. Bottom groove; 602. Slide plate; 603. Pin; 604. Connecting hole; 605. Spring; 606. Threaded disc; 607. Threaded groove; 608. Guide rod; 609. Pull groove. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Please see Figure 1-4 This utility model provides a technical solution:

[0020] A filter installation structure for a central air conditioning terminal fan coil unit includes: a fan coil unit 1, a panel 2 installed at the bottom of the fan coil unit 1, a limiting frame 3 installed on the upper part of the inner wall of the panel 2, a filter plate 4 and a grille 5 respectively provided below the limiting frame 3, and the grille 5 and the panel 2 can be detached and installed by an installation mechanism 6.

[0021] Furthermore, the limiting frame 3 limits the filter plate 4, which can limit the filter plate 4 between the limiting frame 3 and the grid 5. The mounting mechanism 6 fixes the grid 5. By operating the mounting mechanism 6, the filter plate 4 and the grid 5 can be disassembled and assembled at the same time.

[0022] In this embodiment: the mounting mechanism 6 includes two bottom grooves 601, which are respectively opened on both sides of the bottom of the grille 5. A sliding plate 602 is slidably installed in the bottom groove 601. Several pins 603 that are slidably connected to the grille 5 are installed on one side of the sliding plate 602. A connecting hole 604 that is slidably connected to the pins 603 is opened on the inner wall of the panel 2. The other side of the sliding plate 602 and the grille 5 are connected by a spring 605.

[0023] Furthermore, sliding holes are provided on both sides of the grille 5. The pin 603 is slidably connected to the sliding hole. The restoring force of the spring 605 can move the slide plate 602. The slide plate 602 drives the pin 603 to slide in the sliding hole and slide into the connecting hole 604, which can fix the grille 5 and the panel 2.

[0024] In this embodiment: threaded discs 606 are installed on both sides of the spring 605, and threaded grooves 607 are opened on the slide plate 602 and the grid 5.

[0025] Furthermore, by simultaneously rotating the two threaded discs 606 and rotatably installing them in the two threaded grooves 607 respectively, the spring 605 can be installed between the slide plate 602 and the grid 5, making it convenient to replace the spring 605 that has lost its deformation force.

[0026] In this embodiment: a guide rod 608 is installed in the bottom groove 601, and the guide rod 608 and the slide plate 602 are slidably connected.

[0027] Furthermore, the guide rod 608 can limit the movement of the slide plate 602.

[0028] In this embodiment: a groove 609 is provided at the middle of the bottom of the slide plate 602.

[0029] Furthermore, staff can insert their fingers into the pull groove 609 to easily pull the slide plate 602. A rubber layer can be installed inside the pull groove 609 to improve finger comfort.

[0030] The workflow of this embodiment is as follows: During installation, the filter plate 4 is placed on top of the grid 5. Then, the pull groove 609 is pulled to move the slide plate 602, which in turn moves the pin 603 into the grid 5. While the slide plate 602 is moving, it compresses the spring 605. Then, the grid 5 and the filter plate 4 are sent into the panel 2. After the filter plate 4 contacts the limiting frame 3, the filter plate 4 is fixed between the limiting frame 3 and the grid 5. Then, the pull groove 609 is released. Through the restoring force of the spring 605, the slide plate 602 is returned to its original position, which drives the pin 603 to be inserted into the connecting hole 604, thus fixing the panel 2 and the grid 5. During disassembly, the pull groove 609 is pulled again to make the pin 603 leave the connecting hole 604.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A filter installation structure for a central air conditioning terminal fan coil unit, characterized in that, include: A fan coil unit, wherein a panel is installed at the bottom of the fan coil unit, a limit frame is installed on the upper part of the inner wall of the panel, and a filter plate and a grille are respectively provided below the limit frame. The grille and the panel can be detached and installed by a mounting mechanism.

2. The central air conditioning terminal fan coil unit filter installation structure according to claim 1, characterized in that, The mounting mechanism includes two bottom grooves, which are respectively opened on both sides of the bottom of the grille. A sliding plate is slidably installed in the bottom groove. Several pins that are slidably connected to the grille are installed on one side of the sliding plate. The inner wall of the panel is provided with connection holes that are slidably connected to the pins. The other side of the sliding plate is connected to the grille by a spring.

3. The central air conditioning terminal fan coil unit filter installation structure according to claim 2, characterized in that, Both sides of the spring are equipped with threaded discs, and both the slide plate and the grid are provided with threaded grooves.

4. The central air conditioning terminal fan coil unit filter installation structure according to claim 2, characterized in that, A guide rod is installed in the bottom groove, and the guide rod is slidably connected to the slide plate.

5. The central air conditioning terminal fan coil unit filter installation structure according to claim 2, characterized in that, A groove is provided in the middle of the bottom of the skateboard.

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