Air supply pipe for central air conditioner

Abstract

The air supply pipe for the central air conditioner comprises a pipe body, one side of the pipe body is fixedly connected with an installation shell, a rotating shaft is rotationally connected between the two sides of the installation shell, one side of the installation shell is provided with an adjusting assembly enabling the rotating shaft to rotate at a fixed angle, one end of the rotating shaft penetrates through the installation shell and is fixedly connected with a rotating rod, and the other end of the rotating rod is fixedly connected with a fan. One end of the rotating rod is fixedly connected with a second worm, one end of the second worm is fixedly connected with a first worm, one end of the mounting shell is rotatably connected with a second worm gear, the second worm gear is meshed with the second worm, one end of the mounting shell is rotatably connected with a first worm gear, and the first worm gear is meshed with the first worm. The air volume in the air supply pipe is adjusted by changing the distance between the two baffles, the problem that the air supply volume in the air supply pipe is difficult to adjust according to the requirements during use is solved, the convenience during use can be improved, and introduced air can be clean.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioning equipment, in particular to an air supply pipe for a central air conditioner. Background Art

[0002] Air conditioning, or air conditioner, refers to equipment that uses artificial means to adjust and control parameters such as temperature, humidity, and flow rate of the ambient air in a building or structure. The central air conditioning system consists of three parts: air ducts, air duct accessories and components, and air conditioning system terminal equipment and its components. It uses the cold and heat generated by the main unit to centrally process the return air from the room, such as cooling, heating, humidifying, dehumidifying, and purifying, and then delivers it into the room. The air supply duct is used to transport the treated high-quality air.

[0003] After searching, the Chinese patent with publication number CN218863473U has fixed handles on the other end of the first L-shaped bent plate and one end of the second L-shaped bent plate, and the pull hook is hooked with the corresponding fixed handle. The air purification component can be detachably installed on the plug-in mounting hole. The air supply duct has good noise reduction effect and is easy to disassemble and assemble adjacent pipe bodies. However, the following defects still exist: it is difficult to adjust the air supply volume of the air supply duct according to the needs during use. If the air supply volume is too large, the pipe body of the air supply duct will shake and vibrate due to the air volume vortex, thereby affecting the stability of the pipe. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an air supply pipe for a central air conditioner.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A supply air duct for a central air conditioner comprises a pipe body, one side of the pipe body is fixedly connected to a mounting shell, two sides of the mounting shell are rotatably connected with a rotating shaft, one side of the mounting shell is provided with an adjusting component for rotating the rotating shaft at a fixed angle, one end of the rotating shaft passes through the mounting shell and is fixedly connected to a rotating rod, one end of the rotating rod is fixedly connected to a second worm, one end of the second worm is fixedly connected to a first worm, one end of the mounting shell is rotatably connected to a second worm gear, and the second worm gear is meshed with the second worm, one end of the mounting shell is rotatably connected to the first worm gear, and the first worm gear is meshed with the first worm, one side of the first worm gear is fixedly connected to a first connecting shaft, one end of the first connecting shaft is fixedly connected to a first baffle, one side of the second worm gear is fixedly connected to the second connecting shaft, and one end of the second connecting shaft is fixedly connected to the second baffle.

[0007] As a further solution of the utility model, the adjustment assembly includes a mounting cylinder, which is fixedly connected to an inner wall of one side of the mounting shell, a mounting groove is provided on one side of the mounting cylinder, a first spring is fixedly connected in the mounting groove, a positioning bead is fixedly connected to one end of the first spring, a rotating cylinder is fixedly connected to the circumferential outer wall of the rotating shaft, a plurality of positioning holes are provided on one side of the rotating cylinder, and the positioning holes are in contact with the positioning beads.

[0008] As a further solution of the utility model, a mounting plate is fixedly connected to one side of the tube body.

[0009] As a further solution of the utility model, the circumferential outer wall of the rotating rod is provided with a plurality of anti-slip grooves, and the plurality of anti-slip grooves are evenly distributed.

[0010] As a further solution of the utility model, a filter plate is fixedly connected to one side of the tube body.

[0011] As a further solution of the utility model, sound insulation pads are provided on both sides of the tube body, and the two sound insulation pads are symmetrically distributed.

[0012] The beneficial effects of the utility model are:

[0013] 1. The utility model rotates the rotating rod, and under the action of the first worm, the second worm, the first worm wheel and the second worm wheel, the first baffle and the second baffle rotate, thereby changing the distance between the first baffle and the second baffle, and then changing the air volume in the air supply duct, solving the problem that the air duct is difficult to adjust the air supply volume according to actual needs.

[0014] 2. The utility model is provided with an adjustment mechanism. When the shaft rotates to a certain angle, under the action of the first spring, the positioning bead presses against the positioning hole, thereby realizing the fixed-angle rotation of the shaft, making it easier to adjust the air supply volume of the air duct.

[0015] 3. The utility model provides a filter plate, which can filter air containing impurities such as dust and oil, so that the incoming air is clean and fresh, thereby ensuring the cleanliness of the air in the air-conditioned room. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional front structural schematic diagram of an air supply duct for a central air conditioner proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the interior of an air supply duct body for a central air conditioner proposed by the utility model;

[0018] Figure 3 This is a schematic diagram of the interior of an air supply duct installation shell for a central air conditioner proposed by the utility model;

[0019] Figure 4 This is a schematic diagram of the interior of an air supply pipe installation cylinder for a central air conditioner proposed by the utility model;

[0020] In the figure: 1. tube body; 2. mounting shell; 3. rotating rod; 4. filter plate; 5. sound insulation pad; 6. mounting plate; 7. first baffle plate; 8. second baffle plate; 9. first worm; 10. second worm; 11. rotating shaft; 12. mounting cylinder; 13. first worm gear; 14. first connecting shaft; 15. second worm gear; 16. second connecting shaft; 17. first spring; 18. rotating cylinder; 19. positioning bead. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] Reference Figure 1-Figure 4A central air conditioner air supply duct comprises a tube body 1, a mounting shell 2 is fixed to one side of the tube body 1 by bolts, a rotating shaft 11 is rotatably connected between the two sides of the mounting shell 2, an adjusting component for rotating the rotating shaft 11 at a fixed angle is provided on one side of the mounting shell 2, one end of the rotating shaft 11 passes through the mounting shell 2 and is fixed with a rotating rod 3 by bolts, one end of the rotating rod 3 is key-connected with a second worm 10, one end of the second worm 10 is key-connected with a first worm 9, one end of the mounting shell 2 is rotatably connected with a second worm gear 15, and the second worm gear 15 is meshed with the second worm 10, one end of the mounting shell 2 is rotatably connected with a first worm gear 13, and the first worm gear 13 is meshed with the first worm 9, one side of the first worm gear 13 is fixed with a first connecting shaft 14 by bolts, one end of the first connecting shaft 14 is fixed with a first baffle 7 by bolts, one side of the second worm gear 15 is fixed with a second connecting shaft 16 by bolts, one end of the second connecting shaft 16 is bolted A second baffle 8 is fixed thereto. When the air supply volume of the air supply duct needs to be adjusted, the operator first rotates the rotating rod 3. The rotating rod 3 rotates to drive the rotating shaft 11 to rotate. The rotating shaft 11 rotates to drive the first worm 9 and the second worm 10 to rotate. The first worm 9 rotates to drive the first worm gear 13 to rotate. The first worm gear 13 rotates to drive the first connecting shaft 14 to rotate. The first connecting shaft 14 rotates to drive the first baffle 7 to rotate. The second worm 10 rotates to drive the second worm gear 15 to rotate. The second worm gear 15 rotates to drive the second connecting shaft 16 to rotate. The second connecting shaft 16 rotates to drive the second baffle 8 to rotate. The rotation of the first baffle 7 and the second baffle 8 can change the distance between the first baffle 7 and the second baffle 8, thereby adjusting the distance between the first baffle 7 and the second baffle 8. The air volume in the air supply duct can be adjusted according to actual conditions, thereby improving the practicality of the air supply duct.

[0023] The adjustment component includes a mounting cylinder 12, which is fixed to an inner wall of one side of the mounting shell 2 by bolts. A mounting groove is provided on one side of the mounting cylinder 12, in which a first spring 17 is welded, and a positioning bead 19 is welded at one end of the first spring 17. A rotating cylinder 18 is fixed to the circumferential outer wall of the rotating shaft 11 by bolts, and a plurality of positioning holes are provided on one side of the rotating cylinder 18, and the positioning holes are in contact with the positioning bead 19. When the rotating shaft 11 rotates to a certain angle, the positioning bead 19 is located directly above the positioning hole. Under the action of the first spring 17, the positioning bead 19 presses against the positioning hole, thereby realizing the fixed angle rotation of the rotating shaft 11, which is more convenient for adjusting the air duct, and the pipe body 1 A mounting plate 6 is fixed to one side of the pipe body 1 by bolts, and the operator connects the pipe body 1 through the mounting plate 6. The circumferential outer wall of the rotating rod 3 is provided with a plurality of anti-slip grooves, and the plurality of anti-slip grooves are evenly distributed. The anti-slip grooves can increase the friction of the rotating rod 3, making it more convenient for the operator to operate. A filter plate 4 is fixed to one side of the pipe body 1 by bolts. The filter plate 4 can filter the air, remove odors and sterilize, so as to ensure the cleanliness and freshness of the incoming air. Sound insulation pads 5 are provided on both sides of the pipe body 1, and the two sound insulation pads 5 are symmetrically distributed. The sound insulation pads 5 can absorb and rebound part of the sound, so as to weaken the sound propagation, thereby achieving the effect of noise reduction.

[0024] Working principle: when it is necessary to adjust the air supply volume of the air supply duct, the operator first rotates the rotating rod 3, the rotating rod 3 rotates to drive the rotating shaft 11 to rotate, the rotating shaft 11 rotates to drive the first worm 9 and the second worm 10 to rotate, the first worm 9 rotates to drive the first worm wheel 13 to rotate, the first worm wheel 13 rotates to drive the first connecting shaft 14 to rotate, the first connecting shaft 14 rotates to drive the first baffle 7 to rotate, the second worm 10 rotates to drive the second worm wheel 15 to rotate, the second worm wheel 15 rotates to drive the second connecting shaft 16 to rotate, the second connecting shaft 16 rotates to drive the second baffle 8 to rotate, the rotation of the first baffle 7 and the second baffle 8 can change the distance between the first baffle 7 and the second baffle 8, so as to adjust the distance between the first baffle 7 and the second baffle 8, and the air volume in the air supply duct can be adjusted according to actual conditions, thereby improving the practicality of the air supply duct.

[0025] In addition, 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air supply pipe for a central air conditioner, comprising a pipe body (1), characterized in that: One side of the tube body (1) is fixedly connected to a mounting shell (2), and a rotating shaft (11) is rotatably connected between two sides of the mounting shell (2). One side of the mounting shell (2) is provided with an adjustment component for rotating the rotating shaft (11) at a fixed angle. One end of the rotating shaft (11) passes through the mounting shell (2) and is fixedly connected to a rotating rod (3). One end of the rotating rod (3) is fixedly connected to a second worm (10), and one end of the second worm (10) is fixedly connected to the first worm (9). One end of the mounting shell (2) is rotatably connected to a second worm wheel (15). ), and the second worm gear (15) is meshed with the second worm (10), one end of the mounting shell (2) is rotatably connected to the first worm gear (13), and the first worm gear (13) is meshed with the first worm (9), one side of the first worm gear (13) is fixedly connected to the first connecting shaft (14), one end of the first connecting shaft (14) is fixedly connected to the first baffle (7), one side of the second worm gear (15) is fixedly connected to the second connecting shaft (16), and one end of the second connecting shaft (16) is fixedly connected to the second baffle (8).

2. The air supply duct for central air conditioning according to claim 1, characterized in that: The adjustment assembly comprises a mounting cylinder (12), the mounting cylinder (12) being fixedly connected to an inner wall of one side of the mounting shell (2), a mounting groove being provided on one side of the mounting cylinder (12), a first spring (17) being fixedly connected in the mounting groove, a positioning bead (19) being fixedly connected to one end of the first spring (17), a rotating cylinder (18) being fixedly connected to the circumferential outer wall of the rotating shaft (11), a plurality of positioning holes being provided on one side of the rotating cylinder (18), and the positioning holes being in contact with the positioning bead (19).

3. The air supply duct for central air conditioning according to claim 1, characterized in that: A mounting plate (6) is fixedly connected to one side of the tube body (1).

4. The air supply duct for central air conditioning according to claim 1, characterized in that: The circumferential outer wall of the rotating rod (3) is provided with a plurality of anti-skid grooves, and the plurality of anti-skid grooves are evenly distributed.

5. The air supply duct for central air conditioning according to claim 1, characterized in that: A filter plate (4) is fixedly connected to one side of the tube body (1).

6. The air supply duct for central air conditioning according to claim 3, characterized in that: Sound insulation pads (5) are provided on both sides of the tube body (1), and the two sound insulation pads (5) are symmetrically distributed.

Images