Guide pipe type cooling fan
By using a duct-type cooling fan design, the problem of non-adjustable airflow angle of cooling fans is solved, achieving adjustable angle and impurity filtration, thus improving the fan's applicability and efficiency.
Patent Information
- Application Number
- CN202520060395.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-10
AI Technical Summary
Current cooling fans lack air duct design, making it difficult to adjust the airflow angle left and right, which limits their applicability and efficiency, especially when it is necessary to control the left and right airflow direction.
A duct-type cooling fan was designed. By setting up a sliding rack, gear and rotating rod structure, the angle of the air outlet duct can be adjusted, and a filter screen is installed at the air inlet duct to filter impurities.
The air outlet duct has an adjustable blowing angle to adapt to different heat dissipation needs and installation environments. At the same time, the filter screen prevents impurities from entering the fan body, improving the fan's applicability and efficiency.
Smart Images

Figure CN223781686U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a heat dissipation fan technical field, concretely is a kind of duct type heat dissipation fan. BACKGROUND
[0002] Turbine heat dissipation fan is rotated by motor driven impeller, blade in impeller forces gas to rotate, and gas is made work, and its momentum is increased, under the action of centrifugal force, gas is thrown to the four around impeller, and kinetic energy is converted into pressure energy by vortex casing, but many heat dissipation fans on current market lack air deflector pipe structure design, and the angle of heat dissipation blowing is difficult to adjust left and right, once heat dissipation fan is installed in place, it is difficult to change the left and right position of its blowing, this limitation limits the applicability and efficiency of heat dissipation fan, especially in the case where left and right airflow direction needs to be controlled. SUMMARY
[0003] The utility model discloses a duct type heat dissipation fan to solve the problem that many heat dissipation fans on current market lack air deflector pipe structure design, and the angle of heat dissipation blowing is difficult to adjust left and right in the background art, once heat dissipation fan is installed in place, it is difficult to change the left and right position of its blowing, this limitation limits the applicability and efficiency of heat dissipation fan, especially in the case where left and right airflow direction needs to be controlled.
[0004] To achieve the above object, the utility model provides the following technical scheme: a duct type heat dissipation fan, comprising:
[0005] Fan main body;
[0006] Air outlet box, air outlet box is arranged at the output end of fan main body;
[0007] Bellows, bellows are arranged at one side of air outlet box;
[0008] Air outlet duct, air outlet duct is arranged at one end of bellows;
[0009] Outer fixed support, outer fixed support is symmetrically arranged at one side of air outlet box;
[0010] Fixed support frame, fixed support frame is arranged at one side of outer fixed support, and the air outlet duct is located at the inner side of fixed support frame;
[0011] Second rotating rod, second rotating rod is symmetrically arranged at the outer side of air outlet duct, and the second rotating rod is rotatably connected with fixed support frame.
[0012] As a preferred scheme of the utility model: still including air inlet duct, air inlet duct is fixedly connected at the input end of fan main body, and one end of the air inlet duct is provided with filter screen by bolt.
[0013] As one preferred scheme of the utility model: the top of the fixed support frame is fixedly connected with a fixed top box, a first rotating rod is rotatably arranged in the fixed top box, and one end of a second rotating rod is fixedly connected with the first rotating rod.
[0014] As one preferred scheme of the utility model: a gear is fixedly connected to the outside of the first rotating rod, a sliding rack is slidably arranged in the fixed top box, and the sliding rack is in meshing connection with the gear.
[0015] As one preferred scheme of the utility model: an electric telescopic rod is installed on one side of the fixed top box, and an output end of the electric telescopic rod is fixedly connected with the sliding rack.
[0016] As one preferred scheme of the utility model: a protective net is installed on the end of the air outlet duct away from the bellows through bolts.
[0017] Compared with the prior art, the utility model has the beneficial effects that: the sliding rack, the gear and the first rotating rod are arranged, the output end of the electric telescopic rod drives the sliding rack to move for adjustment, the meshing gear is driven to rotate when the sliding rack moves, the first rotating rod on the inside is driven to rotate when the gear rotates, the air outlet duct is driven to adjust the blowing angle left and right through the second rotating rod when the first rotating rod rotates, and the blowing direction is adjusted according to the left and right directions, the components or areas needing heat dissipation are blown to, different heat dissipation requirements and installation environments are adapted to, the filter screen is arranged on the air inlet duct, and the filter screen is arranged on the air inlet duct, so that the air entering the fan body is filtered, and the influence caused by impurities entering the fan body is prevented. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is an overall structural schematic view of the utility model;
[0019] Figure 2 It is a front view of the utility model;
[0020] Figure 3 It is an internal structural schematic view of the fixed top box of the utility model;
[0021] Figure 4 It is a top view of the utility model.
[0022] In the drawing: 1, fan body; 2, air inlet duct; 3, filter screen; 4, air outlet box; 5, outer fixed support; 6, fixed support frame; 7, air outlet duct; 8, protective net; 9, fixed top box; 10, first rotating rod; 11, gear; 12, sliding rack; 13, electric telescopic rod; 14, bellows; 15, second rotating rod. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0024] Please refer to Figures 1 to 4 The utility model provides a technical scheme: a duct type heat dissipation fan, it includes: fan main body 1, the output end of fan main body 1 is fixedly connected with air outlet box 4, the one side of air outlet box 4 is fixedly connected with bellows 14, one end of bellows 14 is fixedly connected with air outlet duct 7, the one side of air outlet box 4 is fixedly connected with the symmetrical outer fixed support 5, the one side of outer fixed support 5 is fixedly connected with fixed support frame 6, and air outlet duct 7 is located in the inside of fixed support frame 6, the outside of air outlet duct 7 is fixedly connected with the symmetrical second rotary rod 15, and second rotary rod 15 is rotatably connected with fixed support frame 6.
[0025] It can be understood that the utility model carries out power supply to the device through external power supply, the air inlet duct 2 connected to the input end of fan main body 1 carries out air intake, the filter screen 3 on the one side of air inlet duct 2 filters impurities, then blows into bellows 14 through air outlet box 4, enters air outlet duct 7 through bellows 14, and is discharged through protective screen 8, and the output end of electric telescopic rod 13 drives sliding rack 12 to move and adjust, drives the meshing gear 11 to rotate and adjust when sliding rack 12 moves, drives the inside first rotary rod 10 to rotate and adjust through gear 11, and the first rotary rod 10 drives air outlet duct 7 to rotate and adjust the angle of orientation through second rotary rod 15, adjusts the left and right of the air blowing heat dissipation angle of air outlet duct 7, avoids the situation that the left and right air blowing positions are difficult to adjust after fan main body 1 is installed in place.
[0026] Please refer to Figures 1 to 3 It also includes air inlet duct 2, and the input end of fan main body 1 is fixedly connected with air inlet duct 2, and the one end of air inlet duct 2 is provided with filter screen 3 through bolt installation.
[0027] It can be understood that the utility model guides the airflow entering fan main body 1 through air inlet duct 2, and filters impurities through filter screen 3.
[0028] Please refer to Figure 2 And Figure 3 The top of fixed support frame 6 is fixedly connected with fixed top box 9, and the inside of fixed top box 9 is rotatably provided with first rotary rod 10, and one end of one second rotary rod 15 is fixedly connected with first rotary rod 10.
[0029] It is understood that the first rotating rod 10 of this utility model drives the air outlet duct 7 to rotate through one of the second rotating rods 15. The air outlet duct 7 rotates inside the fixed support frame 6 through the second rotating rod 15, thereby completing the adjustment of the left and right angle of air blowing and heat dissipation.
[0030] Please see Figure 3 A gear 11 is fixedly connected to the outside of the first rotating rod 10, and a sliding rack 12 is slidably arranged inside the fixed top box 9, and the sliding rack 12 is meshed with the gear 11.
[0031] It is understood that when the sliding rack 12 of this utility model slides within the fixed top box 9, it drives the meshing gear 11 to rotate, and the gear 11 drives the first rotating rod 10 to rotate and adjust.
[0032] Please see Figures 1 to 3 An electric telescopic rod 13 is installed on one side of the fixed top box 9, and the output end of the electric telescopic rod 13 is fixedly connected to the sliding rack 12.
[0033] It is understandable that the output end of the electric telescopic rod 13 of this utility model drives the sliding rack 12 to slide and adjust within the fixed top box 9.
[0034] Please see Figures 1 to 3 A protective net 8 is bolted to the end of the air outlet duct 7 away from the corrugated pipe 14.
[0035] It is understandable that this utility model protects one end of the air outlet duct 7 with a protective net 8.
[0036] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0037] Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "third," or "fourth" may explicitly or implicitly include at least one of those features.
[0038] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for the ordinary skill of the art, can understand the above-mentioned term in the utility model specific meaning according to specific circumstances.
[0039] Although the embodiments of the utility model have been shown and described, it will be appreciated by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A ducted heat dissipating fan characterized by, Include: Fan body (1); Air outlet box (4), air outlet box (4) is arranged at the output end of fan body (1); Bellows (14), bellows (14) is arranged on one side of air outlet box (4); Air outlet duct (7), air outlet duct (7) is arranged at one end of bellows (14); Outer fixed support (5), outer fixed support (5) is symmetrically arranged on one side of air outlet box (4); Fixed frame (6), fixed frame (6) is arranged on one side of outer fixed support (5), and the air outlet duct (7) is located on the inner side of the fixed frame (6); No. 2 rotating rod (15), no. 2 rotating rod (15) is symmetrically arranged on the outer side of air outlet duct (7), and the no. 2 rotating rod (15) is rotatably connected with the fixed frame (6).
2. The ducted heat-dissipating fan according to claim 1, wherein: It also includes air inlet duct (2), which is fixedly connected to the input end of fan body (1), and one end of the air inlet duct (2) is provided with filter screen (3) through bolt mounting.
3. The ducted heat-dissipating fan according to claim 1, wherein: The top of the fixed frame (6) is fixedly connected with the fixed top box (9), the inside of the fixed top box (9) is rotatably provided with the no. 1 rotating rod (10), and one end of one of the no. 2 rotating rod (15) is fixedly connected with the no. 1 rotating rod (10).
4. The ducted heat-dissipating fan according to claim 3, wherein: The outside of the no. 1 rotating rod (10) is fixedly connected with the gear (11), the inside of the fixed top box (9) is slidably provided with the sliding rack (12), and the sliding rack (12) is meshed and connected with the gear (11).
5. The ducted heat-dissipating fan according to claim 4, wherein: The fixed top box (9) is provided with an electric telescopic rod (13) on one side, and the output end of the electric telescopic rod (13) is fixedly connected with the sliding rack (12).
6. The ducted heat-dissipating fan according to claim 1, wherein: The end of the air outlet duct (7) away from the bellows (14) is provided with a protective net (8) through bolt mounting.