Noise reduction type vehicle air conditioner air duct

Abstract

The utility model discloses a noise reduction type vehicle air-conditioning air duct relates to air-conditioning air duct technical field, including first pipe body and second pipe body, first pipe body and second pipe body abut from left to right arrangement, first groove is opened in the close side of first pipe body, and first sound absorption cotton pipe is clamped between the first groove on both sides, and the first sound absorption cotton pipe is clamped between the first groove on both sides, and the second groove on both sides is clamped between the first sound absorption cotton pipe and the second sound absorption cotton pipe. Second grooves are formed in the outer wall of the first pipe body and the outer wall of the second pipe body correspondingly, and second sound absorption cotton pipes are connected to the outer sides of the two second grooves in a clamped mode. An inserting hole is fixedly formed in the side, close to the second pipe body, of the first pipe body, an inserting rod is fixedly arranged on the side, close to the first pipe body, of the second pipe body, and the inserting rod is connected with the inserting hole in an inserted mode. A fixing block is fixedly arranged in the end, away from the second pipe body, of the first pipe body, and a first rod body is fixedly arranged on one side of the fixing rod. The noise reduction air conditioner has good noise reduction performance, noise generated by the air conditioner is reduced, and the sound absorption cotton is convenient to disassemble and maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of air-conditioning ducts, and in particular to a noise-reducing air-conditioning duct for a vehicle. Background Art

[0002] When the car air conditioner is working, a large amount of cold air is blown into the car. At the same time, a large amount of noise will enter the car with the cold air, thereby reducing the comfort of the environment inside the car. Therefore, sound-absorbing cotton is usually installed in the air duct of the car air conditioner to reduce noise.

[0003] Traditional noise-reducing automotive air-conditioning ducts are usually of an integrated design, and the sound-absorbing cotton is fixedly installed inside the duct. During long-term use, dust easily accumulates on the surface of the sound-absorbing cotton, reducing the noise reduction effect of the sound-absorbing cotton. Utility Model Content

[0004] In view of the above problems existing in the existing noise reduction type vehicle air conditioning air duct, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a noise-reducing vehicle air-conditioning duct, which solves the problem that the noise-reducing vehicle air-conditioning duct in the prior art is usually an integrated design, and the sound-absorbing cotton is fixedly installed inside the duct. During long-term use, dust is easily accumulated on the surface of the sound-absorbing cotton, reducing the noise reduction effect of the sound-absorbing cotton.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A noise reduction vehicle air conditioning duct comprises a first tube body and a second tube body, wherein the first tube body and the second tube body are arranged against each other from left to right, a first groove is provided on a side of the first tube body close to each other, a first sound-absorbing cotton tube is clamped between the first grooves on both sides, a second groove is provided on the outer wall of the first tube body and the second tube body, and a second sound-absorbing cotton tube is clamped on the outer sides of two second grooves;

[0008] A plug hole is fixedly provided on one side of the first tube body close to the second tube body, and an insertion rod is fixedly provided on one side of the second tube body close to the first tube body, and the insertion rod is plugged into the plug hole;

[0009] A side plate is fixedly arranged inside one end of the first tube away from the second tube, a first rod is fixedly arranged on one side of the side plate, and a first limiting mechanism is arranged inside the second tube to limit the connection with the first rod.

[0010] Preferably, the first limiting mechanism includes a second rod body and a clamping block, two fixing blocks are fixedly arranged inside one end of the second tube body away from the first tube body, a fixing rod is fixedly arranged between the two fixing blocks, the second rod body is rotatably sleeved on the rod wall of the fixing rod, the clamping block is fixedly arranged on the side wall of one end of the second rod body close to the first rod body, a clamping groove is provided at one end of the first rod body close to the second rod body, the clamping block is clamped with the clamping groove, a cavity is provided inside one end of the second rod body away from the first rod body, and a second limiting mechanism for limiting the rotation of the second rod body relative to the fixing rod is provided inside the cavity.

[0011] Preferably, the second limiting mechanism includes a stopper and a limiting rod, the stopper is slidably arranged inside the cavity, the limiting rod is fixedly sleeved on the middle part of the stopper, both ends of the limiting rod extend to the outside of the cavity, a limiting hole is provided on the rod wall of the fixed rod, and one end of the limiting rod is plugged into the limiting hole.

[0012] Preferably, a spring is fixedly provided on a side of the stopper away from the fixing rod, and the other end of the spring is fixedly connected to the inner wall of the cavity.

[0013] Preferably, a pull block is fixedly provided on one end of the limiting rod away from the fixing rod.

[0014] Preferably, the longitudinal sections of the block and the cavity are both rectangular.

[0015] Preferably, rubber pads are provided on the adjacent ends of the first tube body and the second tube body.

[0016] Preferably, the longitudinal sections of the first sound-absorbing cotton tube and the second sound-absorbing cotton tube are both honeycomb-shaped.

[0017] Preferably, the surface of the pulling block is provided with anti-slip textures.

[0018] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0019] The utility model pulls the limit rod to make the limit rod leave the limit hole, thus releasing the limit on the second rod body, and rotates the second rod body rearwardly with the fixed rod as the axis, so that the clamping block leaves the clamping groove, thus releasing the limit between the first tube body and the second tube body, and pulls the first tube body and the second tube body to both sides, so that the first tube body and the second tube body leave from between the first sound-absorbing cotton tube and the second sound-absorbing cotton tube, thus facilitating the cleaning of the first sound-absorbing cotton tube and the second sound-absorbing cotton tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] 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.

[0021] Figure 1 This is a structural schematic diagram of a noise reduction vehicle air conditioning duct proposed by the utility model;

[0022] Figure 2 for Figure 1 A schematic diagram of the structure of the local A part;

[0023] Figure 3 for Figure 1 A three-dimensional view of the first tube body and the second tube body.

[0024] Description of reference numerals:

[0025] 1. First tube body; 2. Second tube body; 3. Insert rod; 4. First sound-absorbing cotton tube; 5. Second sound-absorbing cotton tube; 6. Side panel; 7. First rod body; 8. Second rod body; 9. Block; 10. Fixed block; 11. Fixed rod; 12. Spring; 13. Stop block; 14. Pull block; 15. Limit rod. DETAILED DESCRIPTION

[0026] 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.

[0027] The utility model embodiment discloses a noise reduction type vehicle air conditioning air duct.

[0028] Embodiment 1

[0029] Reference Figure 1-3 A noise reduction vehicle air conditioning duct comprises a first tube body 1 and a second tube body 2, the first tube body 1 and the second tube body 2 are arranged against each other from left to right, a rubber pad is arranged at one end of the first tube body 1 and the second tube body 2 close to each other, so as to improve the sealing performance between the first tube body 1 and the second tube body 2, a first groove is arranged at one side of the first tube body 1 close to each other, a first sound-absorbing cotton tube 4 is clamped between the first grooves on both sides, a second groove is arranged at the outer wall of the first tube body 1 and the second tube body 2, a second sound-absorbing cotton tube 5 is clamped at the outer side of the two second grooves, the longitudinal sections of the first sound-absorbing cotton tube 4 and the second sound-absorbing cotton tube 5 are both honeycomb-shaped, and have good noise reduction performance;

[0030] A plug hole is fixedly provided on one side of the first tube body 1 close to the second tube body 2, and an insertion rod 3 is fixedly provided on one side of the second tube body 2 close to the first tube body 1, and the insertion rod 3 is plugged into the plug hole;

[0031] A side plate 6 is fixedly disposed inside one end of the first tube body 1 away from the second tube body 2 , and a first rod body 7 is fixedly disposed on one side of the side plate 6 .

[0032] Embodiment 2

[0033] Reference Figure 1-3 A first limiting mechanism that is limitedly connected to the first rod body 7 is arranged inside the second tube body 2, and the first limiting mechanism includes a second rod body 8 and a clamping block 9. Two fixing blocks 10 are fixedly arranged inside the end of the second tube body 2 away from the first tube body 1, and a fixing rod 11 is fixedly arranged between the two fixing blocks 10. The second rod body 8 is rotatably sleeved on the rod wall of the fixing rod 11, and the clamping block 9 is fixedly arranged on the side wall of one end of the second rod body 8 close to the first rod body 7. A clamping groove is opened at one end of the first rod body 7 close to the second rod body 8, and the clamping block 9 is clamped with the clamping groove. A cavity is opened inside the end of the second rod body 8 away from the first rod body 7.

[0034] Embodiment 3

[0035] Reference Figure 1-3 A second limiting mechanism is provided inside the cavity to limit the rotation of the second rod body 8 relative to the fixed rod 11. The second limiting mechanism includes a stopper 13 and a limiting rod 15. The stopper 13 is slidably arranged inside the cavity. The limiting rod 15 is fixedly sleeved on the middle part of the stopper 13. Both ends of the limiting rod 15 extend to the outside of the cavity. A limiting hole is provided on the rod wall of the fixed rod 11. One end of the limiting rod 15 is plugged into the limiting hole. A pulling block 14 is fixedly provided at one end of the limiting rod 15 away from the fixed rod 11 to facilitate pulling the limiting rod 15. The surface of the pulling block 14 is provided with anti-slip texture to increase the friction between the hand and the pulling block 14 and prevent slipping as much as possible during pulling.

[0036] Embodiment 4

[0037] Reference Figure 1-3 A spring 12 is fixedly provided on one side of the stopper 13 away from the fixed rod 11, and the other end of the spring 12 is fixedly connected to the inner wall of the cavity, so that the stopper 13 is reset. The longitudinal sections of the stopper 13 and the cavity are both rectangular, so that the stopper 13 cannot rotate, that is, it can slide stably.

[0038] In the utility model, when in use, the limiting rod 15 is pulled to make the limiting rod 15 leave the limiting hole, that is, the limiting of the second rod body 8 is released, and the second rod body 8 is rotated rearwardly with the fixing rod 11 as the axis, so that the clamping block 9 leaves the clamping groove, that is, the limiting between the first tube body 1 and the second tube body 2 is released, and the first tube body 1 and the second tube body 2 are pulled to both sides, so that the first tube body 1 and the second tube body 2 leave from between the first sound-absorbing cotton tube 4 and the second sound-absorbing cotton tube 5, that is, it is convenient to clean the first sound-absorbing cotton tube 4 and the second sound-absorbing cotton tube 5.

[0039] 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 noise reduction vehicle air conditioning duct, comprising a first tube body (1) and a second tube body (2), characterized in that: The first tube body (1) and the second tube body (2) are arranged to abut against each other from left to right, a first groove is provided on the side close to the first tube body (1), a first sound-absorbing cotton tube (4) is clamped between the first grooves on both sides, and second grooves are provided on the outer walls of the first tube body (1) and the second tube body (2), and second sound-absorbing cotton tubes (5) are clamped on the outer sides of the two second grooves; A plug hole is fixedly provided on one side of the first tube body (1) close to the second tube body (2), and an insertion rod (3) is fixedly provided on one side of the second tube body (2) close to the first tube body (1), and the insertion rod (3) is plugged into the plug hole; A side plate (6) is fixedly arranged inside one end of the first tube body (1) away from the second tube body (2), a first rod body (7) is fixedly arranged on one side of the side plate (6), and a first limiting mechanism is arranged inside the second tube body (2) and is connected to the first rod body (7) in a limiting manner.

2. The noise reduction vehicle air conditioning duct according to claim 1, characterized in that: The first limiting mechanism comprises a second rod body (8) and a clamping block (9); two fixing blocks (10) are fixedly arranged inside one end of the second tube body (2) away from the first tube body (1); a fixing rod (11) is fixedly arranged between the two fixing blocks (10); the second rod body (8) is rotatably sleeved on the rod wall of the fixing rod (11); the clamping block (9) is fixedly arranged on the side wall of one end of the second rod body (8) close to the first rod body (7); a clamping groove is provided at one end of the first rod body (7) close to the second rod body (8); the clamping block (9) is clamped with the clamping groove; a cavity is provided inside one end of the second rod body (8) away from the first rod body (7); a second limiting mechanism for limiting the rotation of the second rod body (8) relative to the fixing rod (11) is provided inside the cavity.

3. The noise reduction vehicle air conditioning duct according to claim 2, characterized in that: The second limiting mechanism comprises a stopper (13) and a limiting rod (15), wherein the stopper (13) is slidably arranged inside the cavity, the limiting rod (15) is fixedly sleeved on the middle part of the stopper (13), both ends of the limiting rod (15) extend to the outside of the cavity, a limiting hole is provided on the rod wall of the fixing rod (11), and one end of the limiting rod (15) is plugged into the limiting hole.

4. The noise reduction vehicle air conditioning duct according to claim 3, characterized in that: A spring (12) is fixedly arranged on one side of the stopper (13) away from the fixing rod (11), and the other end of the spring (12) is fixedly connected to the inner wall of the cavity.

5. The noise reduction vehicle air conditioning duct according to claim 3, characterized in that: A pull block (14) is fixedly provided on one end of the limiting rod (15) away from the fixing rod (11).

6. The noise reduction vehicle air conditioning duct according to claim 3, characterized in that: The longitudinal sections of the stopper (13) and the cavity are both rectangular.

7. The noise reduction vehicle air conditioning duct according to claim 3, characterized in that: The first tube body (1) and the second tube body (2) are both provided with rubber pads at their adjacent ends.

8. The noise reduction vehicle air conditioning duct according to claim 3, characterized in that: The longitudinal sections of the first sound-absorbing cotton tube (4) and the second sound-absorbing cotton tube (5) are both honeycomb-shaped.

9. The noise reduction vehicle air conditioning duct according to claim 5, characterized in that: The surface of the pulling block (14) is provided with anti-slip textures.

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