Fan coil with direction-changeable air outlet
By designing a variable directional air duct and reciprocating drive mechanism at the outlet of the fan coil, the problem of poor angle adjustment of the outlet of the traditional fan coil is solved, and a wider gas discharge range and a smaller temperature difference are achieved.
Patent Information
- Application Number
- CN202421852256.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-01
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-08-01
AI Technical Summary
The air outlet of the traditional fan coil is set as a louver air outlet. The angle of the louver is poor and the range is small, resulting in a large temperature difference at different locations.
A variable direction fan coil for air outlet is designed. By providing a variable direction air duct at the air outlet, and using a connecting air duct, a connecting rod and a rotary shaft, combined with a reciprocating driving mechanism, the variable direction air duct can rotate about the rotation axis, and the connecting air duct can be bent, thereby expanding the range of gas discharge.
Through the angle adjustment of the variable direction air duct and the bending of the connecting air duct, the gas discharge range of the air outlet is increased, the temperature difference is reduced, and the adjustment ability of the fan coil is improved.
Smart Images
Figure CN222951110U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of fan coil units, in particular to a fan coil unit with variable air outlet directions. Background Art
[0002] The fan coil unit is referred to as fan coil. It is one of the terminal devices of the air-conditioning system, which is composed of a small fan, an electric motor and a coil (air heat exchanger). When chilled water or hot water flows through the coil tube, it exchanges heat with the air outside the tube, so that the air is cooled, dehumidified or heated to adjust the indoor air parameters. It is a commonly used cooling and heating terminal device.
[0003] The air outlet of a traditional fan coil unit is generally set as a louver outlet. Although the angle of some louvers can be adjusted, the angle adjustability of the louvers is poor and the range is small, resulting in a large temperature difference at different positions. Therefore, a fan coil unit with adjustable air outlet is proposed. Utility Model Content
[0004] In view of the above problems existing in the existing fan coil units, the present utility model is proposed.
[0005] Therefore, the purpose of the utility model is to provide a fan coil unit with variable air outlet direction, which solves the problems raised by the background technology.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A fan coil unit with variable air outlet comprises a fan coil unit body, a variable air duct is provided at the air outlet of the fan coil unit body, a connecting air duct is fixedly provided between the side wall of the variable air duct and the air outlet of the fan coil unit body, connecting rods are fixedly provided on both sides of the variable air duct, rotating shafts are rotatably provided on both sides of the fan coil unit body, one end of the two connecting rods away from the variable air duct is fixedly connected to the shaft wall of the rotating shaft, and a reciprocating drive mechanism is provided between one side of the fan coil unit body and the corresponding rotating shaft.
[0008] Preferably, the reciprocating drive mechanism includes a reciprocating electric cylinder, a rack and a gear, the reciprocating electric cylinder is fixedly mounted on the side wall of the fan coil body, one end of the rack is fixedly connected to the moving end of the reciprocating electric cylinder, the gear is fixedly mounted on the shaft wall of the rotating shaft, and the gear is meshed with the rack.
[0009] Preferably, a limiting sliding rod is fixedly provided on the side wall of the fan coil unit body, a limiting sliding block is fixedly provided on the side wall of the rack, and the limiting sliding block is slidably connected to the limiting sliding rod.
[0010] Preferably, louvers are fixedly provided inside the variable-direction air duct.
[0011] Furthermore, the connecting air duct adopts a metal corrugated pipe.
[0012] Preferably, the connecting rod is an L-shaped rod, and the bent end of the connecting rod is fixedly welded to the side wall of the variable-direction air duct.
[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:
[0014] 1. The utility model, through the connecting air duct, connecting rod and rotating shaft, the reciprocating drive mechanism can reciprocate and drive the rotating shaft to rotate, and the rotating shaft can mobilize the connecting rod to swing and rotate, so that the variable air duct can rotate around the rotating shaft angle, and at the same time, the connecting air duct can bend along with the variable air duct, thereby increasing the range of gas discharge inside the variable air duct and reducing the size of the temperature difference.
[0015] 2. The utility model is provided with a reciprocating electric cylinder, a rack and a gear. After the power is turned on, the reciprocating electric cylinder moves back and forth, so that the rack moves back and forth, thereby making the gear rotate forward and reverse, so that the positive and negative angles of the variable air duct on the connecting rod change, thereby expanding the range of air outlet. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 For the utility model Figure 1 A three-dimensional diagram of the connecting air duct;
[0019] Figure 3 For the utility model Figure 1 Side view of the variable-direction air duct.
[0020] Description of reference numerals:
[0021] 1. Fan coil unit body; 2. Variable directional air duct; 3. Connecting air duct; 4. Connecting rod; 5. Rotating shaft; 6. Reciprocating electric cylinder; 7. Rack; 8. Gear; 9. Limiting slide bar; 10. Limiting slider; 11. Shutter blades. DETAILED DESCRIPTION
[0022] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0023] The utility model embodiment discloses a fan coil unit with variable air outlet direction.
[0024] The utility model provides Figure 1-3 The fan coil unit with variable air outlet shown in the figure comprises a fan coil unit body 1, a variable air duct 2 is arranged at the air outlet of the fan coil unit body 1, a shutter blade 11 is fixedly arranged inside the variable air duct 2, and the shutter blade 11 can change the wind direction in a small range. Since the shutter blade 11 is a prior art and is very common in life, the structure of the shutter blade 11 is not specifically disclosed. A connecting air duct 3 is fixedly arranged between the side wall of the variable air duct 2 and the air outlet of the fan coil unit body 1, and the connecting air duct 3 adopts a metal corrugated pipe, which is telescopic and bendable. Connecting rods 4 are fixedly arranged on both sides of the variable air duct 2, and the connecting rod 4 adopts an L-shaped rod. , and the bent end of the connecting rod 4 is fixedly welded to the side wall of the variable air duct 2. A rotating shaft 5 is rotatably provided on both sides of the fan coil body 1. The ends of the two connecting rods 4 away from the variable air duct 2 are fixedly connected to the shaft wall of the rotating shaft 5. A reciprocating drive mechanism is provided between one side of the fan coil body 1 and the corresponding rotating shaft 5. The reciprocating drive mechanism can reciprocate and drive the rotating shaft 5 to rotate. The rotating shaft 5 can adjust the connecting rod 6 to swing and rotate, so that the variable air duct 2 can rotate around the rotating shaft 5. At the same time, the connecting air duct 3 can bend with the variable air duct 2, thereby increasing the range of gas discharge inside the variable air duct 2 and reducing the size of the temperature difference.
[0025] In order to automatically drive the angle adjustment of the variable-direction air duct 2, such as Figure 1 As shown, the reciprocating drive mechanism includes a reciprocating electric cylinder 6, a rack 7 and a gear 8. The reciprocating electric cylinder 6 is fixedly installed on the side wall of the fan coil body 1, one end of the rack 7 is fixedly connected to the moving end of the reciprocating electric cylinder 6, the gear 8 is fixedly installed on the shaft wall of the rotating shaft 5, and the gear 8 is meshed with the rack 7. After the reciprocating electric cylinder 6 is powered on, it reciprocates and moves, so that the rack 7 moves back and forth, thereby making the gear 8 rotate forward and reverse, so that the positive and negative angles of the variable air duct 2 on the connecting rod 4 change; a limit slide bar 9 is fixedly provided on the side wall of the fan coil body 1, and a limit slider 10 is fixedly provided on the side wall of the rack 7. The limit slider 10 is slidably connected to the limit slide bar 9. In the process of moving left and right, the rack 7 makes the limit slider 10 move on the limit slide bar 9, thereby increasing the stability of the meshing of the rack 7 and the gear 8, so that the angle of the variable air duct 2 can be smoothly adjusted.
[0026] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.
Claims
1. A fan coil unit with a variable air outlet, comprising a fan coil unit body (1), characterized in that: A variable-direction air duct (2) is provided at the air outlet of the fan coil unit body (1); a connecting air duct (3) is fixedly provided between the side wall of the variable-direction air duct (2) and the air outlet of the fan coil unit body (1); connecting rods (4) are fixedly provided on both sides of the variable-direction air duct (2); rotating shafts (5) are rotatably provided on both sides of the fan coil unit body (1); one end of the two connecting rods (4) away from the variable-direction air duct (2) is fixedly connected to the shaft wall of the rotating shaft (5); and a reciprocating drive mechanism is provided between one side of the fan coil unit body (1) and the corresponding rotating shaft (5).
2. The fan coil unit with variable air outlet according to claim 1, characterized in that: The reciprocating drive mechanism comprises a reciprocating electric cylinder (6), a rack (7) and a gear (8); the reciprocating electric cylinder (6) is fixedly mounted on the side wall of the fan coil unit body (1); one end of the rack (7) is fixedly connected to the moving end of the reciprocating electric cylinder (6); the gear (8) is fixedly mounted on the shaft wall of the rotating shaft (5), and the gear (8) is meshed with the rack (7).
3. The fan coil unit with variable air outlet according to claim 2, characterized in that: A limiting slide bar (9) is fixedly provided on the side wall of the fan coil unit body (1), and a limiting slider (10) is fixedly provided on the side wall of the rack (7), wherein the limiting slider (10) is slidably connected to the limiting slide bar (9).
4. The fan coil unit with variable air outlet according to claim 1, characterized in that: The variable-direction air duct (2) is internally provided with a louver (11).
5. The fan coil unit with variable air outlet according to claim 1, characterized in that: The connecting air duct (3) is a metal corrugated pipe.
6. The fan coil unit with variable air outlet according to claim 1, characterized in that: The connecting rod (4) is an L-shaped rod, and the bent end of the connecting rod (4) is fixedly welded to the side wall of the variable-direction air duct (2).