Central air conditioner fan coil convenient to install
By introducing a fastening structure into the central air conditioning fan coil unit, the problems of time-consuming and labor-intensive installation and maintenance have been solved, enabling rapid disassembly and installation of the fan coil unit and improving maintenance efficiency.
Patent Information
- Application Number
- CN202420122913.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-18
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-01-18
AI Technical Summary
The installation and maintenance of existing central air conditioning fan coil units is time-consuming and labor-intensive, especially when internal components are damaged and multiple fixing bolts need to be removed.
A central air conditioning fan coil unit that is easy to install has been designed. It adopts a fastening structure, which includes a rotating block, a rotating rod, a bearing, a toothed groove, and a threaded rod. This fastening structure allows the fan coil unit to be quickly disassembled and installed by rotating the fixed block and the cylindrical insertion rod.
It enables rapid disassembly and installation of fan coil units, reducing labor intensity and time during disassembly and improving maintenance efficiency.
Smart Images

Figure CN222335494U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of central air conditioners, in particular to a central air conditioner fan coil unit which is easy to install. Background Art
[0002] The fan coil unit is a terminal product of central air conditioning. It is one of the terminal devices of the air conditioning system composed of a small fan, an electric motor and a coil (air heat exchanger). It is composed of a heat exchanger, a water pipe, a filter, a fan, a water tray, an exhaust valve, a bracket, etc. Its working principle is to continuously recirculate the air in the room in the unit, so that the air is cooled (heated) after passing through the cold water (hot water) coil to maintain a constant room temperature; however, the fan coil units currently used are generally installed using independent hangers. To install the hangers, it is necessary to drill holes and install expansion bolts at the designated locations first, and then fix the hangers to lift the fan coil unit box to the installation position and fix it with fixing bolts. When the internal components of the fan coil unit are damaged, multiple fixing bolts need to be removed, which makes maintenance more troublesome, time-consuming and labor-intensive. Utility Model Content
[0003] The main purpose of the utility model is to provide a central air-conditioning fan coil unit that is easy to install and can effectively solve the problems in the background technology.
[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0005] A central air-conditioning fan coil unit that is easy to install comprises a central air-conditioning body, a mounting groove is provided in the middle of the upper surface of the central air-conditioning body, the fan coil unit body is placed in the mounting groove, fixing grooves are provided at the front and rear ends of the mounting groove on the upper surface of the central air-conditioning body, fixing blocks are fixedly installed at the lower ends of the front and rear surfaces of the fan coil unit body, and a fastening structure is provided in the fixing block.
[0006] Preferably, the fastening structure includes a rotating block, a rotating rod, a No. 1 bearing, a rectangular groove, a No. 1 tooth groove, a No. 2 tooth groove, a No. 2 bearing, a threaded rod, a cylindrical plug rod, a cylindrical groove, a rectangular slide groove, a rectangular slider, and a cylindrical slot.
[0007] Preferably, a rectangular groove is provided inside the fixed block, a No. 1 bearing is fixedly mounted on the upper surface of the rectangular groove, a rotating rod is movably mounted on the inner surface of the No. 1 bearing, and a rotating block is fixedly mounted on the upper end of the rotating rod.
[0008] Preferably, a No. 1 tooth groove is provided at the lower end of the rotating rod, and No. 2 bearings are fixedly mounted on both end surfaces of the rectangular groove, a threaded rod is movably mounted on the inner surface of the No. 2 bearing, and a No. 2 tooth groove is provided at one end of the threaded rod.
[0009] Preferably, the second tooth groove opened at one end of the threaded rod is meshed with the first tooth groove opened at the lower end of the rotating rod, and cylindrical grooves are opened at both ends of the rectangular groove inside the fixing block.
[0010] Preferably, a cylindrical insert rod is slidably installed in the cylindrical groove, a cylindrical insert rod is spirally installed on the outer surface of the threaded rod, and rectangular sliding grooves are provided on the upper and lower surfaces of the cylindrical groove.
[0011] Preferably, a rectangular slider is slidably installed in the rectangular slide groove, and rectangular sliders are fixedly installed on one end of the upper and lower surfaces of the cylindrical insertion rod. Cylindrical clamping grooves are opened on the surfaces of both ends of the fixed groove, and a cylindrical insertion rod is slidably installed in the cylindrical clamping groove.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] In the utility model, by providing a fastening structure, when the internal components of the fan coil unit are damaged and need to be disassembled, there is no need to unscrew the multiple fixing bolts on the suspension rod. The rotating block on the fixing block can be directly rotated to retract the cylindrical insertion rod into the fixing block and disengage from the cylindrical slot, so that the fan coil unit body can be quickly disassembled, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the overall structure of a central air-conditioning fan coil unit that is easy to install in the utility model;
[0015] Figure 2 This is a cross-sectional view of a central air-conditioning fan coil unit that is easy to install according to the utility model;
[0016] Figure 3 The utility model is a central air conditioning fan coil unit which is easy to install Figure 2 Enlarged view of point A in the middle.
[0017] In the figure: 1. Central air conditioner body; 2. Mounting slot; 3. Fan coil body; 4. Fixing slot; 401. Fixing block; 5. Fastening structure; 501. Rotating block; 502. Rotating rod; 503. No. 1 bearing; 504. Rectangular slot; 505. No. 1 tooth slot; 506. No. 2 tooth slot; 507. No. 2 bearing; 508. Threaded rod; 509. Cylindrical plug rod; 510. Cylindrical slot; 511. Rectangular slide slot; 512. Rectangular slider; 513. Cylindrical slot. DETAILED DESCRIPTION
[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0019] like Figure 1-3As shown, a central air-conditioning fan coil unit that is easy to install includes a central air-conditioning body 1, a mounting groove 2 is opened in the middle of the upper surface of the central air-conditioning body 1, a fan coil unit body 3 is placed in the mounting groove 2, fixing grooves 4 are opened at the front and rear ends of the mounting groove 2 on the upper surface of the central air-conditioning body 1, and fixing blocks 401 are fixedly installed at the lower ends of the front and rear surfaces of the fan coil unit body 3, and a fastening structure 5 is arranged in the fixing block 401;
[0020] The fastening structure 5 includes a rotating block 501, a rotating rod 502, a No. 1 bearing 503, a rectangular groove 504, a No. 1 tooth groove 505, a No. 2 tooth groove 506, a No. 2 bearing 507, a threaded rod 508, a cylindrical plug rod 509, a cylindrical groove 510, a rectangular slide groove 511, a rectangular slider 512, and a cylindrical slot 513; a rectangular groove 504 is provided inside the fixed block 401, a No. 1 bearing 503 is fixedly installed on the upper surface of the rectangular groove 504, a rotating rod 502 is movably installed on the inner surface of the No. 1 bearing 503, and a rotating block 501 is fixedly installed on the upper end of the rotating rod 502; a No. 1 tooth groove 505 is provided at the lower end of the rotating rod 502, and No. 2 bearings 507 are fixedly installed on both ends of the rectangular groove 504, and a No. 2 bearing 507 is movably installed on the inner surface of the No. 2 bearing 507 Threaded rod 508, one end of threaded rod 508 is provided with No. 2 tooth groove 506; the No. 2 tooth groove 506 provided at one end of threaded rod 508 is meshed with the No. 1 tooth groove 505 provided at the lower end of rotating rod 502, and cylindrical grooves 510 are provided at both ends of rectangular groove 504 inside fixed block 401; a cylindrical plug rod 509 is slidably installed in the cylindrical groove 510, and a cylindrical plug rod 509 is spirally installed on the outer surface of threaded rod 508, and rectangular grooves 511 are provided on the upper and lower surfaces of cylindrical groove 510; a rectangular slider 512 is slidably installed in the rectangular groove 511, and a rectangular slider 512 is fixedly installed on one end of the upper and lower surfaces of cylindrical plug rod 509, and cylindrical clamping grooves 513 are provided on both end surfaces of fixed groove 4, and cylindrical plug rod 509 is slidably installed in the cylindrical clamping groove 513.
[0021] It should be noted that the utility model is a central air-conditioning fan coil unit that is easy to install. When the internal components of the fan coil unit are damaged and need to be disassembled, it is first necessary to rotate the rotating block 501 on the fixed block 401 so that the rotating block 501 drives the rotating rod 502 to rotate on the inner surface of the No. 1 bearing 503. Because the No. 2 tooth groove 506 opened at one end of the threaded rod 508 is engaged with the No. 1 tooth groove 505 opened at the lower end of the rotating rod 502, the threaded rod 508 is driven to rotate on the inner surface of the No. 2 bearing 507, thereby driving the cylindrical plug rod 509 spirally installed on the outer surface of the threaded rod 508 to drive the rectangular sliding block 512 fixedly installed at one end of its upper and lower surfaces to slide toward the middle in the rectangular sliding groove 511, so that the cylindrical plug rod 509 slides toward the middle in the cylindrical groove 510 until the cylindrical plug rod 509 is separated from the cylindrical card groove 513 opened on the two end surfaces of the fixed groove 4, and retracts back into the fixed block 401, and then the fan coil unit body 3 is taken down, and the components inside the fan coil unit body 3 are inspected and repaired.
[0022] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A central air-conditioning fan coil unit that is easy to install, characterized in that: The central air conditioner body (1) comprises a mounting groove (2) in the middle of the upper surface of the central air conditioner body (1), a fan coil body (3) is placed in the mounting groove (2), fixing grooves (4) are provided at the front and rear ends of the mounting groove (2) on the upper surface of the central air conditioner body (1), fixing blocks (401) are fixedly installed at the lower ends of the front and rear surfaces of the fan coil body (3), and a fastening structure (5) is arranged in the fixing block (401).
2. The central air-conditioning fan coil unit that is easy to install according to claim 1 is characterized in that: The fastening structure (5) comprises a rotating block (501), a rotating rod (502), a No. 1 bearing (503), a rectangular groove (504), a No. 1 tooth groove (505), a No. 2 tooth groove (506), a No. 2 bearing (507), a threaded rod (508), a cylindrical insert rod (509), a cylindrical groove (510), a rectangular slide groove (511), a rectangular slider (512), and a cylindrical clamping groove (513).
3. The central air-conditioning fan coil unit that is easy to install according to claim 2 is characterized in that: A rectangular groove (504) is provided inside the fixed block (401), a No. 1 bearing (503) is fixedly mounted on the upper surface of the rectangular groove (504), a rotating rod (502) is movably mounted on the inner surface of the No. 1 bearing (503), and a rotating block (501) is fixedly mounted on the upper end of the rotating rod (502).
4. The central air-conditioning fan coil unit that is easy to install according to claim 3 is characterized in that: The lower end of the rotating rod (502) is provided with a first tooth groove (505), and the surfaces of both ends of the rectangular groove (504) are fixedly mounted with second bearings (507), and the inner surface of the second bearing (507) is movably mounted with a threaded rod (508), and one end of the threaded rod (508) is provided with a second tooth groove (506).
5. The central air-conditioning fan coil unit that is easy to install according to claim 4 is characterized in that: The second tooth groove (506) formed at one end of the threaded rod (508) meshes with the first tooth groove (505) formed at the lower end of the rotating rod (502), and cylindrical grooves (510) are formed at both ends of the rectangular groove (504) inside the fixed block (401).
6. The central air-conditioning fan coil unit that is easy to install according to claim 5 is characterized in that: A cylindrical insert rod (509) is slidably installed in the cylindrical groove (510), and a cylindrical insert rod (509) is spirally installed on the outer surface of the threaded rod (508). Rectangular sliding grooves (511) are provided on the upper and lower surfaces of the cylindrical groove (510).
7. The central air-conditioning fan coil unit that is easy to install according to claim 6 is characterized in that: A rectangular sliding block (512) is slidably mounted in the rectangular sliding groove (511), and a rectangular sliding block (512) is fixedly mounted on one end of the upper and lower surfaces of the cylindrical insertion rod (509). Both end surfaces of the fixed groove (4) are provided with cylindrical clamping grooves (513), and a cylindrical insertion rod (509) is slidably mounted in the cylindrical clamping grooves (513).