Fan with angle-adjustable air guide groove at air outlet

Abstract

The utility model discloses a draught fan with an adjustable air outlet air guide groove angle, which comprises an air inlet channel, a draught fan body and an adjusting structure, the draught fan body is arranged on the inner side of the air inlet channel, the adjusting structure is arranged on one side of the draught fan body far away from the air inlet channel, and the adjusting structure comprises a first barrel-shaped cover and a first aluminum foil telescopic hose. The first barrel-shaped cover is installed on the side, away from the air inlet channel, of the fan body, a first aluminum foil telescopic hose is installed on the side, away from the fan body, of the first barrel-shaped cover, and a second barrel-shaped cover is installed on the side, away from the first barrel-shaped cover, of the first aluminum foil telescopic hose. A second aluminum foil telescopic hose is installed on the side, away from the first aluminum foil telescopic hose, of the second barrel-shaped cover. According to the fan with the air outlet and the air guide groove adjustable in angle, the external adjusting structure is additionally arranged, so that the angles of the air outlet and the air guide groove of the fan are changed, the air outlet of the fan is adjusted to a proper angle, and the air outlet of the fan can be adjusted in any direction during adjustment.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a fan with an air outlet air guide slot having an adjustable angle. Background Art

[0002] A fan is a mechanical device that generates airflow and is widely used in various fields, including civil, industrial, aerospace, and marine. The main function of a fan is to draw gas from one place and transport it to another. This process mainly relies on rotating blades, which will convert kinetic energy into kinetic energy of airflow. In this process, the pressure and flow of the fan will also change accordingly.

[0003] For example, application number CN202121949285.5 discloses a fan whose impeller is reasonably designed and easy to assemble. By improving the hub structure, the hub is suitable for adjusting various impeller angles, and the installation between the blades and the hub is firm and the angle positioning is precise; however, when the above-mentioned device is in use, the angle of the air outlet and the air guide groove of the fan cannot be adjusted, and thus, when in use, the direction of the air outlet and the air guide groove of the fan cannot be changed according to work requirements.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a fan with an adjustable angle of the air outlet guide groove is proposed to achieve a more practical purpose. Utility Model Content

[0005] The utility model aims to provide a fan with an air outlet and an air guide slot with adjustable angles, so as to solve the problem of adjustable angles of the air outlet and the air guide slot of the fan proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fan with an adjustable angle of an air outlet guide groove, comprising an air inlet channel, a fan body and an adjustment structure, wherein the fan body is installed on the inner side of the air inlet channel, and the adjustment structure is installed on the side of the fan body away from the air inlet channel, the adjustment structure comprises a first barrel-shaped cover and a first aluminum foil telescopic hose, the first barrel-shaped cover is installed on the side of the fan body away from the air inlet channel, the first aluminum foil telescopic hose is installed on the side of the first barrel-shaped cover away from the fan body, and the first aluminum foil telescopic hose is installed on the side of the first barrel-shaped cover away from the fan body. A second barrel-type cover is installed, a second aluminum foil telescopic hose is installed on the side of the second barrel-type cover away from the first aluminum foil telescopic hose, a third barrel-type cover is installed on the side of the second aluminum foil telescopic hose away from the second barrel-type cover, a third aluminum foil telescopic hose is installed on the side of the third barrel-type cover away from the second aluminum foil telescopic hose, a fourth barrel-type cover is installed on one end of the third aluminum foil telescopic hose away from the third barrel-type cover, a fourth aluminum foil telescopic hose is installed on one end of the fourth barrel-type cover away from the third aluminum foil telescopic hose, and a square air outlet is installed on one end of the fourth aluminum foil telescopic hose away from the fourth barrel-type cover.

[0007] Furthermore, connecting columns are provided on both sides of the first barrel-type cover, the second barrel-type cover and the third barrel-type cover, and a total of eight groups of connecting columns are installed. The connecting columns are symmetrically arranged on both sides of the first barrel-type cover, the second barrel-type cover and the third barrel-type cover, and adjacent connecting columns are limitedly connected by a first mechanical telescopic rod.

[0008] Furthermore, the inner cavity of the third barrel-type cover is provided with a filter plate, and the outer diameter surfaces of the third barrel-type cover and the fourth barrel-type cover are provided with rotating columns, and four groups of rotating columns are provided, and the rotating columns are symmetrically arranged on both sides of the third barrel-type cover and the fourth barrel-type cover, and adjacent rotating columns are limitedly connected by a second mechanical telescopic rod.

[0009] Furthermore, the fourth barrel-shaped cover is provided with protrusions on both upper and lower sides, and the outer diameter surface of the protrusion is connected with a connecting rod, and one end of the connecting rod away from the protrusion is fixedly connected to the square air outlet.

[0010] Furthermore, the contact surface between the rotating column and the second mechanical telescopic rod and the contact surface between the protrusion and the connecting rod are both provided with limit bearings, the outer diameter surface of the rotating column and the outer diameter surface of the protrusion are respectively fixedly connected to the inner diameter surface of the limit bearing, and the outer diameter surface of the limit bearing is respectively fixedly connected to the second mechanical telescopic rod and the protrusion, the second mechanical telescopic rod forms a rotating structure that rotates around the center of the rotating column with the rotating column through the limit bearing, and the connecting rod forms a rotating structure that rotates around the center of the protrusion with the limit bearing and the protrusion.

[0011] Furthermore, the first mechanical telescopic rod includes a cylindrical tube and a threaded rod, the threaded rod is inserted into the inner cavity of the cylindrical tube, and a rotating ring is provided at one end of the cylindrical tube, and the threaded rod passes through the center of the rotating ring and extends to one side of the cylindrical tube, a slider is provided at one end of the threaded rod, a surface of the rotating ring contacting the threaded rod is provided with a thread, a contact surface of the cylindrical tube and the rotating ring is provided with a bearing, the cylindrical tube is fixedly connected to the inner diameter surface of the bearing, and the rotating ring is fixedly connected to the outer diameter surface of the bearing, and the rotating ring forms a rotating structure that rotates around the center of the bearing with the cylindrical tube through the bearing, the slider and the interior of the cylindrical tube form a sliding structure, the threaded rod and the thread on the inner diameter surface of the rotating ring form a threaded connection structure, and the first mechanical telescopic rod and the second mechanical telescopic rod have the same structure.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the fan with adjustable air outlet guide groove angle is added with an external adjustment structure to change the angle of the air outlet and the air guide groove of the fan, so that the air outlet of the fan is adjusted to a suitable angle, and during the adjustment, the air outlet of the fan can be adjusted to any direction;

[0013] The fan with adjustable angle of air outlet guide slot has an adjustment structure installed on one side of the fan body, and a ventilation guide duct is formed by a first barrel cover, a first aluminum foil telescopic hose, a second barrel cover, a second aluminum foil telescopic hose, a third barrel cover, a third aluminum foil telescopic hose, a fourth barrel cover, a fourth aluminum foil telescopic hose and a square air outlet, wherein the length of the air guide duct is adjusted by a connecting column and the first aluminum foil telescopic hose between the first barrel cover, the second barrel cover and the third barrel cover, and then the air outlet of the fan is adjusted to a suitable position, so as to facilitate changing the angle of the air outlet and the air guide slot of the fan;

[0014] The fan with adjustable air outlet and air guide groove angle adjusts the angle of the fan's air outlet and air guide groove through the third aluminum foil telescopic hose, the fourth barrel-shaped cover, the fourth aluminum foil telescopic hose, the square air outlet, the rotating column, the second mechanical telescopic rod and the limit bearing, wherein the square air outlet is longitudinally adjusted by the rotating column, the second mechanical telescopic rod and the limit bearing, wherein the square air outlet is transversely adjusted by the convex block, the connecting rod and the limit bearing. Through the above structure, the angle of the fan's air outlet and the air guide groove is adjustable, and then the air outlet of the fan is adjusted to a suitable angle and position, so that the air outlet of the fan is convenient for ventilation;

[0015] The first mechanical telescopic rod and the second mechanical telescopic rod in the fan with adjustable angle of the air outlet guide groove have the same structure, wherein when the rotating ring is rotated, the rotating ring is threadedly transmitted with the threaded rod through the inner diameter thread, thereby causing the threaded rod to move, and at the same time the slider slides with the inner wall of the cylindrical tube. Through the above structure, the first mechanical telescopic rod is mechanically telescopic, and the air outlet of the fan is adjusted to a suitable angle and position by adjusting the length of the first mechanical telescopic rod and the second mechanical telescopic rod. The first mechanical telescopic rod and the second mechanical telescopic rod also play the role of supporting the first barrel cover, the first aluminum foil telescopic hose, the second barrel cover, the second aluminum foil telescopic hose, the third barrel cover, the third aluminum foil telescopic hose, the fourth barrel cover, the fourth aluminum foil telescopic hose and the square air outlet, thereby facilitating the fixing of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front view structure of a fan with an adjustable air outlet guide slot angle according to the utility model;

[0017] Figure 2 This is a schematic diagram of the side view structure of a fan with an adjustable air outlet guide slot angle according to the utility model;

[0018] Figure 3 The utility model is a fan with an adjustable air outlet guide slot angle Figure 1 Schematic diagram of the structure at A in the middle;

[0019] Figure 4It is a schematic diagram of the front section structure of a first mechanical telescopic rod of a fan with an adjustable angle of an air outlet guide groove according to the utility model.

[0020] In the figure: 1. air inlet channel; 2. fan body; 3. adjustment structure; 301. first barrel-shaped cover; 302. first aluminum foil telescopic hose; 303. second barrel-shaped cover; 304. second aluminum foil telescopic hose; 305. third barrel-shaped cover; 306. third aluminum foil telescopic hose; 307. fourth barrel-shaped cover; 308. fourth aluminum foil telescopic hose; 309. square air outlet; 3010. connecting column; 3011. first mechanical telescopic rod; 3012. filter plate; 3013. rotating column; 3014. second mechanical telescopic rod; 3015. bump; 3016. connecting rod; 31. cylindrical tube; 32. threaded rod; 33. rotating ring; 34. slider. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 4 The utility model provides a technical solution: a fan with an adjustable angle of an air outlet guide groove, comprising an air inlet channel 1, a fan body 2 and an adjustment structure 3, the fan body 2 is installed on the inner side of the air inlet channel 1, and the side of the fan body 2 away from the air inlet channel 1 is installed with the adjustment structure 3, the adjustment structure 3 comprises a first barrel-shaped cover 301 and a first aluminum foil telescopic hose 302, the first barrel-shaped cover 301 is installed on the side of the fan body 2 away from the air inlet channel 1, the first aluminum foil telescopic hose 302 is installed on the side of the first barrel-shaped cover 301 away from the fan body 2, the second barrel-shaped cover 303 is installed on the side of the first aluminum foil telescopic hose 302 away from the first barrel-shaped cover 301, and the second barrel-shaped cover 304 is installed on the side of the first aluminum foil telescopic hose 302 away from the first barrel-shaped cover 301. A second aluminum foil telescopic hose 304 is installed on the side of the cover 303 away from the first aluminum foil telescopic hose 302, a third barrel-shaped cover 305 is installed on the side of the second aluminum foil telescopic hose 304 away from the second barrel-shaped cover 303, a third aluminum foil telescopic hose 306 is installed on the side of the third barrel-shaped cover 305 away from the second aluminum foil telescopic hose 304, a fourth barrel-shaped cover 307 is installed on the end of the third aluminum foil telescopic hose 306 away from the third barrel-shaped cover 305, a fourth aluminum foil telescopic hose 308 is installed on the end of the fourth barrel-shaped cover 307 away from the third aluminum foil telescopic hose 306, and a square air outlet 309 is installed on the end of the fourth aluminum foil telescopic hose 308 away from the fourth barrel-shaped cover 307;

[0023] The first barrel cover 301, the second barrel cover 303 and the third barrel cover 305 are provided with connecting columns 3010 on both sides, and there are eight groups of connecting columns 3010 installed. The connecting columns 3010 are symmetrically arranged on both sides of the first barrel cover 301, the second barrel cover 303 and the third barrel cover 305, and the adjacent connecting columns 3010 are limitedly connected by the first mechanical telescopic rod 3011. The inner cavity of the third barrel cover 305 is provided with a filter plate 3012. The third barrel cover 305 and the fourth barrel cover 307 are provided with a filter plate 3013. The outer diameter surface is provided with rotating columns 3013, and there are four groups of rotating columns 3013, and the rotating columns 3013 are symmetrically arranged on both sides of the third barrel-shaped cover 305 and the fourth barrel-shaped cover 307, and the adjacent rotating columns 3013 are limitedly connected by the second mechanical telescopic rod 3014, and the upper and lower sides of the fourth barrel-shaped cover 307 are provided with protrusions 3015, and the outer diameter surface of the protrusion 3015 is connected with a connecting rod 3016, and the end of the connecting rod 3016 away from the protrusion 3015 is fixedly connected to the square air outlet 309;

[0024] First, the adjustment structure 3 is installed on one side of the fan body 2, and the first barrel cover 301, the first aluminum foil telescopic hose 302, the second barrel cover 303, the second aluminum foil telescopic hose 304, the third barrel cover 305, the third aluminum foil telescopic hose 306, the fourth barrel cover 307, the fourth aluminum foil telescopic hose 308 and the square air outlet 309 are used to form an air duct for guiding ventilation, wherein the first barrel cover 301, the second barrel cover 303 and the third barrel cover 305 are connected by the connecting column 3010 and the first aluminum foil telescopic hose 302 to adjust the length of the air duct, and then adjust the air outlet of the fan to a suitable position, so as to change the angle between the air outlet and the air guide groove of the fan, and use the third aluminum foil telescopic hose 3010 to adjust the length of the air duct. The contraction hose 306, the fourth barrel cover 307, the fourth aluminum foil telescopic hose 308, the square air outlet 309, the rotating column 3013, the second mechanical telescopic rod 3014 and the limit bearing are used to adjust the angle of the air outlet and the air guide groove of the fan, wherein the rotating column 3013, the second mechanical telescopic rod 3014 and the limit bearing are used to adjust the longitudinal angle of the square air outlet 309, wherein the convex block 3015, the connecting rod 3016 and the limit bearing are used to adjust the lateral angle of the square air outlet 309. By using the above structure, the angle of the air outlet and the air guide groove of the fan can be adjusted, and then the air outlet of the fan is adjusted to a suitable angle and position, so as to facilitate ventilation at the air outlet of the fan;

[0025] The contact surface between the rotating column 3013 and the second mechanical telescopic rod 3014 and the contact surface between the protrusion 3015 and the connecting rod 3016 are both provided with limit bearings, the outer diameter surface of the rotating column 3013 and the outer diameter surface of the protrusion 3015 are respectively fixedly connected to the inner diameter surface of the limit bearing, and the outer diameter surface of the limit bearing is respectively fixedly connected to the second mechanical telescopic rod 3014 and the protrusion 3015, the second mechanical telescopic rod 3014 and the rotating column 3013 form a rotating structure rotating around the center of the rotating column 3013 through the limit bearing, and the connecting rod 3016 and the protrusion 3015 form a rotating structure rotating around the center of the protrusion 3015 through the limit bearing;

[0026] The first mechanical telescopic rod 3011 includes a cylindrical tube 31 and a threaded rod 32, the threaded rod 32 is inserted into the inner cavity of the cylindrical tube 31, and a rotating ring 33 is provided at one end of the cylindrical tube 31, and the threaded rod 32 passes through the center of the rotating ring 33 and extends to one side of the cylindrical tube 31, a slider 34 is provided at one end of the threaded rod 32, and a thread is provided on a side of the rotating ring 33 contacting the threaded rod 32, and a bearing is provided on the contact surface between the cylindrical tube 31 and the rotating ring 33, the cylindrical tube 31 is fixedly connected to the inner diameter surface of the bearing, and the rotating ring 33 is fixedly connected to the outer diameter surface of the bearing, and the rotating ring 33 forms a rotating structure that rotates around the center of the bearing with the cylindrical tube 31 through the bearing, the slider 34 and the interior of the cylindrical tube 31 form a sliding structure, and the threaded rod 32 and the thread on the inner diameter surface of the rotating ring 33 form a threaded connection structure. When the rotating ring 33 is rotated The rotating ring 33 transmits threaded transmission to the threaded rod 32 through the inner diameter thread, thereby moving the threaded rod 32, and at the same time, the slider 34 slides with the inner wall of the cylindrical tube 31. By using the above structure, the first mechanical telescopic rod 3011 is mechanically telescopic, and the air outlet of the fan is adjusted to a suitable angle and position by adjusting the length of the first mechanical telescopic rod 3011 and the second mechanical telescopic rod 3014. The first mechanical telescopic rod 3011 and the second mechanical telescopic rod 3014 also support the first barrel cover 301, the first aluminum foil telescopic hose 302, the second barrel cover 303, the second aluminum foil telescopic hose 304, the third barrel cover 305, the third aluminum foil telescopic hose 306, the fourth barrel cover 307, the fourth aluminum foil telescopic hose 308 and the square air outlet 309, so as to facilitate the fixation of the device.

[0027] Working principle: When using a fan with an adjustable air outlet guide groove angle, first install the adjustment structure 3 on one side of the fan body 2, and use the first barrel cover 301, the first aluminum foil telescopic hose 302, the second barrel cover 303, the second aluminum foil telescopic hose 304, the third barrel cover 305, the third aluminum foil telescopic hose 306, the fourth barrel cover 307, the fourth aluminum foil telescopic hose 308 and the square air outlet 309 to form a guide duct for guiding ventilation, wherein the first barrel cover 301, the second barrel cover 303 and the third barrel cover 305 are connected by a connecting column 3010 and the first aluminum foil telescopic hose 302 to adjust the length of the air duct, and the third aluminum foil telescopic hose 306, the fourth barrel cover 307, the fourth aluminum foil telescopic hose 308, the square air outlet 309 are used to adjust the length of the air duct. 9. The rotating column 3013, the second mechanical telescopic rod 3014 and the limit bearing are used to adjust the angles of the air outlet and the air guide groove of the fan, wherein the longitudinal angle of the square air outlet 309 is adjusted by the rotating column 3013, the second mechanical telescopic rod 3014 and the limit bearing, wherein the lateral angle of the square air outlet 309 is adjusted by the protrusion 3015, the connecting rod 3016 and the limit bearing. When the rotating ring 33 is rotated, the rotating ring 33 transmits threaded transmission to the threaded rod 32 through the inner diameter thread, thereby moving the threaded rod 32, and at the same time, the slider 34 slides with the inner wall of the cylindrical tube 31, and the air outlet of the fan is adjusted to a suitable angle and position by adjusting the length of the first mechanical telescopic rod 3011 and the second mechanical telescopic rod 3014.

Claims

1. A fan with an adjustable air outlet guide groove angle, comprising an air inlet channel (1), a fan body (2) and an adjustment structure (3), characterized in that: The fan body (2) is installed on the inner side of the air inlet channel (1), and an adjustment structure (3) is installed on the side of the fan body (2) away from the air inlet channel (1), and the adjustment structure (3) comprises a first barrel-shaped cover (301) and a first aluminum foil telescopic hose (302), the first barrel-shaped cover (301) is installed on the side of the fan body (2) away from the air inlet channel (1), the first aluminum foil telescopic hose (302) is installed on the side of the first barrel-shaped cover (301) away from the fan body (2), the second barrel-shaped cover (303) is installed on the side of the first aluminum foil telescopic hose (302) away from the first barrel-shaped cover (301), and the second barrel-shaped cover (303) is installed on the side of the second aluminum foil telescopic hose (302) away from the first barrel-shaped cover (302). A second aluminum foil telescopic hose (304) is installed; a third barrel-shaped cover (305) is installed on the side of the second aluminum foil telescopic hose (304) away from the second barrel-shaped cover (303); a third aluminum foil telescopic hose (306) is installed on the side of the third barrel-shaped cover (305) away from the second aluminum foil telescopic hose (304); a fourth barrel-shaped cover (307) is installed on the end of the third aluminum foil telescopic hose (306) away from the third barrel-shaped cover (305); a fourth aluminum foil telescopic hose (308) is installed on the end of the fourth barrel-shaped cover (307) away from the third aluminum foil telescopic hose (306); and a square air outlet (309) is installed on the end of the fourth aluminum foil telescopic hose (308) away from the fourth barrel-shaped cover (307).

2. A fan with an adjustable air outlet guide slot angle according to claim 1, characterized in that: Connecting columns (3010) are arranged on both sides of the first barrel-shaped cover (301), the second barrel-shaped cover (303) and the third barrel-shaped cover (305), and a total of eight groups of connecting columns (3010) are installed. The connecting columns (3010) are symmetrically arranged on both sides of the first barrel-shaped cover (301), the second barrel-shaped cover (303) and the third barrel-shaped cover (305), and adjacent connecting columns (3010) are limitedly connected by first mechanical telescopic rods (3011).

3. A fan with an adjustable air outlet guide slot angle according to claim 2, characterized in that: The inner cavity of the third barrel-shaped cover (305) is provided with a filter plate (3012), and the outer diameter surfaces of the third barrel-shaped cover (305) and the fourth barrel-shaped cover (307) are provided with rotating columns (3013), and four groups of rotating columns (3013) are provided, and the rotating columns (3013) are symmetrically arranged on both sides of the third barrel-shaped cover (305) and the fourth barrel-shaped cover (307), and adjacent rotating columns (3013) are limitedly connected by a second mechanical telescopic rod (3014).

4. A fan with an adjustable air outlet guide slot angle according to claim 3, characterized in that: The fourth barrel-shaped cover (307) is provided with protrusions (3015) on the upper and lower sides, and the outer diameter surface of the protrusion (3015) is connected to a connecting rod (3016), and one end of the connecting rod (3016) away from the protrusion (3015) is fixedly connected to the square air outlet (309).

5. A fan with an adjustable air outlet guide slot angle according to claim 4, characterized in that: The contact surface between the rotating column (3013) and the second mechanical telescopic rod (3014) and the contact surface between the protrusion (3015) and the connecting rod (3016) are both provided with limit bearings; the outer diameter surface of the rotating column (3013) and the outer diameter surface of the protrusion (3015) are respectively fixedly connected to the inner diameter surface of the limit bearing, and the outer diameter surface of the limit bearing is respectively fixedly connected to the second mechanical telescopic rod (3014) and the protrusion (3015); the second mechanical telescopic rod (3014) and the rotating column (3013) form a rotating structure rotating around the center of the rotating column (3013) through the limit bearing, and the connecting rod (3016) and the protrusion (3015) form a rotating structure rotating around the center of the protrusion (3015) through the limit bearing.

6. A fan with an adjustable air outlet guide slot angle according to claim 5, characterized in that: The first mechanical telescopic rod (3011) comprises a cylindrical tube (31) and a threaded rod (32), wherein the threaded rod (32) is inserted into the inner cavity of the cylindrical tube (31), and a rotating ring (33) is provided at one end of the cylindrical tube (31), and the threaded rod (32) passes through the center of the rotating ring (33) and extends to one side of the cylindrical tube (31), a sliding block (34) is provided at one end of the threaded rod (32), and a surface of the rotating ring (33) contacting the threaded rod (32) is provided with threads, and the connection between the cylindrical tube (31) and the rotating ring (33) is The contact surface is provided with a bearing, the cylindrical tube (31) is fixedly connected to the inner diameter surface of the bearing, and the rotating ring (33) is fixedly connected to the outer diameter surface of the bearing, and the rotating ring (33) and the cylindrical tube (31) form a rotating structure that rotates around the center of the bearing through the bearing, the slider (34) and the inside of the cylindrical tube (31) form a sliding structure, the threaded rod (32) and the thread on the inner diameter surface of the rotating ring (33) form a threaded connection structure, and the first mechanical telescopic rod (3011) and the second mechanical telescopic rod (3014) have the same structure.

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