Wide-angle diffusion type central defrosting air duct of automobile air conditioner

Abstract

The utility model provides an automobile air conditioner wide-angle diffusion type central defrosting air duct which comprises a defrosting air duct body and a defrosting air duct opening, the defrosting air duct opening is fixedly communicated with the top of the defrosting air duct body, a plurality of guide plates are arranged in the defrosting air duct opening, and the number of the guide plates is larger than that of the defrosting air duct opening. A diffusion mechanism is arranged on one side of the defrosting air duct opening, and the defrosting area of the defrosting air duct body can be increased. Through the arrangement of the diffusion mechanism and the protection mechanism, a motor in the diffusion mechanism can rotate to drive a rotating rod and a threaded rod to rotate, so that a moving block moves to drive an extrusion plate to extrude a guide plate, the warm air direction is changed, and the defrosting area is increased; and the defrosting air duct opening can be protected by being used in cooperation with the protection mechanism, the interior of the defrosting air duct opening is prevented from being blocked, and therefore the defrosting effect of the defrosting air duct body is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of defrosting air ducts, in particular to a wide-angle diffusion type central defrosting air duct for an automobile air conditioner. Background Art

[0002] The defrost duct is a component in the car, which is used to assist in removing frost, mist, ice and snow on the front windshield of the vehicle. In cold weather or humid environment, after the vehicle has been driving for a period of time, frost, mist, ice and snow will appear on the front windshield, affecting the driving vision. In order to solve this problem, car designers have designed defrost ducts on both sides of the front windshield. Through the inside of the duct, warm air or hot air is blown to the surface of the windshield to heat the windshield, thereby quickly removing frost, mist, ice and snow and providing a good driving vision.

[0003] Announcement No. "CN209395542U" provides an automobile air conditioner defrosting air duct, including a flow channel box, a fixing frame is arranged on the outside of the flow channel box, a grille frame is arranged on the top of the flow channel box, an air flow inlet is arranged on one side of the bottom end of the flow channel box, and a plurality of guide bars corresponding to the grille frame are fixed on the inner wall of the flow channel box, and the plurality of guide bars are composed of straight guide bars and arc guide bars. The guide bars play a guiding role, and can prevent the temperature from losing too quickly when used with the grille frame, and the defrosting effect is good.

[0004] However, the above device still has the following problems during implementation:

[0005] Most of the existing automobile defrost ducts on the market defrost by blowing warm air vertically from the defrost port onto the automobile windshield. However, when a large area of ​​the automobile windshield is frosted, this vertical defrosting method can only defrost a fixed local position, the defrosting speed is slow, and the defrosting effect is also poor. In addition, the existing defrost duct does not have the function of protecting the defrost duct port. After long-term use, dust and impurities will be accumulated on the guide plate in the duct port. In addition, there is a risk of some small objects in the car falling into the defrost duct port during driving, thereby causing blockage, which greatly affects the defrosting effect. Utility Model Content

[0006] The utility model aims to provide a wide-angle diffusion type central defrosting air duct for an automobile air conditioner to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A wide-angle diffusion type central defrost air duct for an automobile air conditioner, comprising a defrost air duct body and a defrost air duct opening, wherein the defrost air duct opening is fixedly connected to the top of the defrost air duct body, a guide plate is arranged inside the defrost air duct opening, and the number of the guide plates is several, and a diffusion mechanism is arranged on one side of the defrost air duct opening, which can increase the defrost area of ​​the defrost air duct body, thereby improving the defrost effect of the defrost air duct body;

[0009] The diffusion mechanism includes a motor fixedly installed on one side of the defrost air duct opening, the output end of the motor is fixedly connected to a rotating rod, one end of the rotating rod passes through the interior of the defrost air duct opening and is fixedly connected to a threaded rod, the surface of the threaded rod is transmission-connected to a moving block, the top of the moving block is fixedly connected to an extrusion plate, and the shape of the extrusion plate is arc-shaped.

[0010] Preferably, the diffusion mechanism also includes a fixed rod fixedly connected to the inner wall of the defrost air duct opening, and the number of the fixed rods is several. A rotating plate is sleeved on one end of the fixed rod. The bottom of the rotating plate is fixedly connected to the top of the guide plate. Torsion springs are fixedly connected on both sides of the rotating plate. The end of the torsion spring away from the rotating plate is fixedly connected to the inner wall of the defrost air duct opening. A protective mechanism is provided on the top of the defrost air duct opening to protect the inside of the defrost air duct opening.

[0011] Preferably, the protection mechanism includes a fixing plate fixedly connected to one side of the defrost air duct opening, the top of the fixing plate is fixedly connected with a clamping block, the top of the defrost air duct opening is provided with a filter screen, one side of the filter screen is fixedly connected with a stabilizing block, the top of the stabilizing block is provided with a clamping groove used in conjunction with the clamping block, one side of the clamping block is fixedly connected to a support frame, one side of the support frame is provided with two push-pull blocks, one side of the push-pull block is fixedly connected with a plug-in rod, one end of the plug-in rod passes through one side of the clamping block, the inner wall of the clamping groove is provided with a plug-in hole used in conjunction with the plug-in rod, one side of the support frame is fixedly connected with two springs, one end of each spring is fixedly connected to one side of the clamping block.

[0012] Preferably, a threaded hole is provided on one side of the moving block, and the threaded hole is used in conjunction with a threaded rod.

[0013] Preferably, a sliding block is fixedly connected to the top of the moving block, and a sliding groove for use with the sliding block is provided on the inner wall of the defrost air duct opening.

[0014] Preferably, a bearing is provided at one end of the threaded rod, and one end of the threaded rod is rotatably connected to the inner wall of the defrost air duct opening through the bearing.

[0015] Preferably, a non-slip cover is fixedly connected to the surface of the push-pull block, and the material of the non-slip cover is silicone.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model is provided with a diffusion mechanism, which can drive the rotating rod and the threaded rod to rotate around the bearing through the rotation of the motor, so that the moving block drives the sliding block to move along the track of the sliding groove, and at the same time drives the extrusion plate to squeeze the guide plate, so that the guide plate drives the rotating plate to swing around the fixed rod, so that the guide plate Figure 6 As shown in the figure, the warm air is blown along the trajectory of the guide plate to the frosted window glass at the edge. When the moving block drives the extrusion plate to move without contact with the guide plate, the torsion force generated by the torsion spring drives the guide plate to reset, thereby greatly increasing the defrost area of ​​the defrost air duct body and further improving its defrost efficiency.

[0018] 2. The utility model provides a protective mechanism, which can manually place the filter at the defrost air duct opening, so that the card groove on the surface of the filter is inserted into the card block at the top of the defrost air duct opening, and then the anti-sliding block is manually pushed, and the movement of the anti-sliding block drives the push-pull block and the plug-in rod to move, until the plug-in rod is driven to move into the plug-in hole, so that the filter can be fixed. When there is a lot of dust on the filter, it is only necessary to manually pull the anti-slip cover to drive the push-pull block and the plug-in rod to move. At this time, the spring is in a compressed state, and the elastic force generated by the spring can drive the plug-in rod to disengage from the inside of the plug-in hole. At this time, the filter plate is not restricted, and the filter plate only needs to be manually lifted up.

[0019] The utility model discloses a diffuser mechanism and a protective mechanism, and can drive the rotating rod and the threaded rod to rotate by the rotation of the motor in the diffuser mechanism, so that the moving block moves to drive the extrusion plate to squeeze the guide plate, so that the wind direction of the warm air changes, thereby increasing the defrosting area. At the same time, by setting the filter plate net, the clamping block and the clamping groove in the protective mechanism, they can protect the defrost air duct opening through cooperation with the protective mechanism, avoid blockage inside the defrost air duct opening, thereby further improving the defrosting effect of the defrost air duct body. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0021] Figure 2 It is a three-dimensional diagram of the partial structure of the utility model;

[0022] Figure 3 For this utility model Figure 2 A magnified view of the local structure at center A;

[0023] Figure 4 It is a three-dimensional diagram of the partial structure of the utility model;

[0024] Figure 5 For this utility model Figure 3 A magnified view of the local structure at B in the middle;

[0025] Figure 6 It is a schematic diagram of the running track of the guide plate of the utility model.

[0026] In the figure: 1. defrost air duct body; 2. defrost air duct opening; 3. guide plate; 4. rotating rod; 5. threaded rod; 6. moving block; 7. extrusion plate; 8. fixed rod; 9. rotating plate; 10. torsion spring; 11. fixed plate; 12. snap-in block; 13. filter screen; 14. stabilizing block; 15. snap-in groove; 16. supporting frame; 17. push-pull block; 18. plug-in rod; 19. plug-in hole; 20. spring; 21. threaded hole; 22. sliding block; 23. sliding groove; 24. bearing; 25. anti-slip sleeve; 26. motor. DETAILED DESCRIPTION

[0027] 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.

[0028] See also Figure 1-Figure 6 , the utility model provides a technical solution:

[0029] Embodiment 1:

[0030] A wide-angle diffusion type central defrost air duct for an automobile air conditioner, comprising a defrost air duct body 1 and a defrost air duct opening 2, wherein the defrost air duct opening 2 is fixedly connected to the top of the defrost air duct body 1, a guide plate 3 is arranged inside the defrost air duct opening 2, and the number of the guide plates 3 is several, and a diffusion mechanism is arranged on one side of the defrost air duct opening 2, which can increase the defrost area of ​​the defrost air duct body 1, thereby improving the defrost effect of the defrost air duct body 1;

[0031] The diffusion mechanism includes a motor 26 fixedly mounted on one side of the defrost air duct opening 2, the output end of the motor 26 is fixedly connected to a rotating rod 4, one end of the rotating rod 4 penetrates into the inside of the defrost air duct opening 2, and is fixedly connected to a threaded rod 5, the surface of the threaded rod 5 is transmission-connected to a moving block 6, the top of the moving block 6 is fixedly connected to an extrusion plate 7, and the shape of the extrusion plate 7 is arc-shaped;

[0032] The diffusion mechanism also includes a fixed rod 8 fixedly connected to the inner wall of the defrost air duct opening 2. The number of the fixed rods 8 is several. A rotating plate 9 is sleeved on one end of the fixed rod 8. The bottom of the rotating plate 9 is fixedly connected to the top of the guide plate 3. Torsion springs 10 are fixedly connected to both sides of the rotating plate 9. The end of the torsion spring 10 away from the rotating plate 9 is fixedly connected to the inner wall of the defrost air duct opening 2. A protective mechanism is provided on the top of the defrost air duct opening 2 to protect the inside of the defrost air duct opening 2.

[0033] In this embodiment, by providing a diffusion mechanism, the user can use the defrost duct body 1 to defrost the front window glass of the car, and at the same time, by starting the motor 26 in the diffusion mechanism, the motor 26 rotates to drive the rotating rod 4 and the threaded rod 5 to rotate around the bearing 24, and the external thread on the surface of the threaded rod 5 squeezes the internal thread inside the threaded hole 21, so that the moving block 6 drives the sliding block 22 to move along the trajectory of the sliding groove 23, and at the same time drives the squeezing plate 7 to squeeze the guide plate 3, so that the guide plate 3 drives the rotating plate 9 to swing around the fixed rod 8, so that the guide plate 3 is as shown in FIG. Figure 6 As shown, the guide plate 3 is swung so that the warm air blows along the trajectory of the guide plate 3 toward the frosted window glass at the edge;

[0034] When the moving block 6 drives the extrusion plate 7 to move to a point where there is no contact with the guide plate 3, the torque generated by the torsion spring 10 can drive the guide plate 3 to reset, thereby greatly increasing the defrosting area of ​​the defrost duct body 1, and further improving its defrosting efficiency, solving the problem that the vertical blowing defrosting method can only defrost a fixed local position when a large area of ​​the car windshield is frosted, the defrosting speed is slow, and the defrosting effect is also poor.

[0035] A threaded hole 21 is provided on one side of the moving block 6, and the threaded hole 21 is used in conjunction with the threaded rod 5;

[0036] By providing the threaded hole 21 , the internal thread inside the threaded hole 21 can be squeezed by the external thread on the surface of the threaded rod 5 , so that the moving block 6 drives the sliding block 22 to move along the track of the sliding groove 23 .

[0037] The top of the moving block 6 is fixedly connected with a sliding block 22, and the inner wall of the defrosting air duct opening 2 is provided with a sliding groove 23 used in conjunction with the sliding block 22;

[0038] By providing the sliding block 22 and the sliding groove 23 , when the moving block 6 moves, the sliding block 22 can be driven to move along the track of the sliding groove 23 , thereby limiting the moving track of the moving block 6 .

[0039] A bearing 24 is provided at one end of the threaded rod 5, and one end of the threaded rod 5 is rotatably connected to the inner wall of the defrost air duct opening 2 through the bearing 24;

[0040] By providing the bearing 24 , when the threaded rod 5 rotates, it can rotate around the rotation track of the bearing 24 , thereby limiting the rotation track of the threaded rod 5 .

[0041] Embodiment 2:

[0042] On the basis of the first embodiment, the diffusion mechanism in the first embodiment can increase the defrost area of ​​the defrost duct body 1, thereby improving the defrost effect of the defrost duct body 1, but this mechanism does not have the function of protecting the defrost duct opening 2. After long-term use, dust and impurities will accumulate on the guide plate 3 inside the defrost duct opening 2, and some small objects in the car will also be at risk of falling into the duct opening during driving, thereby causing blockage, which greatly affects its defrost effect. The protection mechanism in the present application includes a fixed plate 11 fixedly connected to one side of the defrost duct opening 2, and a clamping block 12 is fixedly connected to the top of the fixed plate 11. The defrost A filter screen 13 is provided at the top of the air duct opening 2, a stabilizing block 14 is fixedly connected to one side of the filter screen 13, a clamping groove 15 used in conjunction with the clamping block 12 is provided at the top of the stabilizing block 14, a support frame 16 is fixedly connected to one side of the clamping block 12, two push-pull blocks 17 are provided on one side of the support frame 16, a plug-in rod 18 is fixedly connected to one side of the push-pull block 17, one end of the plug-in rod 18 passes through one side of the clamping block 12, a plug-in hole 19 used in conjunction with the plug-in rod 18 is provided on the inner wall of the clamping groove 15, two springs 20 are fixedly connected to one side of the support frame 16, one end of the spring 20 is fixedly connected to one side of the clamping block 12 respectively;

[0043] In this embodiment, by providing a protective mechanism, the user can manually place the filter 13 at the defrost air duct opening 2 while using the diffusion mechanism to defrost the window glass, so that the clamping groove 15 on the surface of the filter 13 is clamped into the clamping block 12 at the top of the defrost air duct opening 2, and then manually push the anti-slip cover 25, and the push-pull block 17 and the plug-in rod 18 are moved by the movement of the anti-slip cover 25 until the plug-in rod 18 moves to the inside of the plug-in hole 19, so that the filter 13 can be fixed, effectively avoiding the accumulation of dust and impurities on the guide plate 3, and the problem of some small objects in the car falling into the air duct opening during driving;

[0044] When there is a lot of dust on the filter 13, it is only necessary to manually pull the anti-slip cover 25, and the movement of the anti-slip cover 25 drives the push-pull block 17 and the plug-in rod 18 to move. At this time, the spring 20 is in a compressed state, and the elastic force generated by the spring 20 can drive the plug-in rod 18 to disengage from the inside of the plug-in hole 19. At this time, the filter plate is not restricted, and it is only necessary to manually lift the filter plate upward, and then the filter 13 can be cleaned, effectively avoiding the accumulation of dust and impurities on the guide plate 3 for a long time, thereby affecting the defrosting effect, and facilitating the disassembly and cleaning of the filter 13, thereby further improving the practicality of the device;

[0045] The problem that the diffusion mechanism does not have the function of protecting the defrost air duct opening 2 is solved. After long-term use, dust and impurities will be accumulated on the guide plate 3 inside the defrost air duct opening 2, and some small objects in the car will also have the risk of falling into the air duct opening during driving, thereby causing blockage, which greatly affects the defrost effect.

[0046] The surface of the push-pull block 17 is fixedly connected with an anti-slip cover 25, and the material of the anti-slip cover 25 is silicone;

[0047] By providing the anti-slip cover 25 and making the anti-slip cover 25 of silicone, the contact area between the palm of the user and the push-pull block 17 can be increased, so that the push-pull block 17 can be pushed better.

[0048] Working principle: When the user uses the defrost air duct body 1 to defrost the front window glass of the car, the motor 26 in the diffusion mechanism is started, and the rotation of the motor 26 drives the rotating rod 4 and the threaded rod 5 to rotate around the bearing 24, and the external thread on the surface of the threaded rod 5 squeezes the internal thread inside the threaded hole 21, so that the moving block 6 drives the sliding block 22 to move along the track of the sliding groove 23, and at the same time drives the squeezing plate 7 to squeeze the guide plate 3, so that the guide plate 3 drives the rotating plate 9 to swing around the fixed rod 8, so that the guide plate 3 is as shown in FIG. Figure 6 As shown, the guide plate 3 is swung so that the warm air blows along the trajectory of the guide plate 3 toward the frosted window glass at the edge;

[0049] When the moving block 6 drives the extrusion plate 7 to move to a point where there is no contact with the guide plate 3, the torsion force generated by the torsion spring 10 can drive the guide plate 3 to reset, thereby greatly increasing the defrosting area of ​​the defrosting air duct body 1, and further improving its defrosting efficiency, solving the problem that the vertical blowing defrosting method can only defrost a fixed local position when a large area of ​​the front windshield of the car is frosted, the defrosting speed is slow, and the defrosting effect is poor;

[0050] At the same time, the filter 13 can be manually placed at the defrost air duct opening 2, so that the clamping groove 15 on the surface of the filter 13 is clamped into the clamping block 12 at the top of the defrost air duct opening 2, and then the anti-slip cover 25 is manually pushed to drive the push-pull block 17 and the plug-in rod 18 to move until the plug-in rod 18 moves to the inside of the plug-in hole 19, so that the filter 13 can be fixed, effectively avoiding the accumulation of dust and impurities on the guide plate 3, and the problem of some small objects in the car falling into the air duct opening during driving;

[0051] When there is a lot of dust on the filter 13, you only need to manually pull the anti-slip sleeve 25, and the movement of the anti-slip sleeve 25 will drive the push-pull block 17 and the plug-in rod 18 to move. At this time, the spring 20 is in a compressed state, and the elastic force generated by the spring 20 can drive the plug-in rod 18 to disengage from the inside of the plug-in hole 19. At this time, the filter plate is no longer restricted, and you only need to manually lift the filter plate upwards, and then you can clean the filter 13, which effectively avoids the accumulation of dust and impurities on the guide plate 3 for a long time, thereby affecting the defrosting effect, and is convenient for disassembly and cleaning of the filter 13, thereby further improving the practicality of this device.

[0052] It should be noted that the defrost duct body 1 and the motor 26 are devices or equipment existing in the prior art, or are devices or equipment that can be realized in the prior art. The specific composition and principle of the power supply of the defrost duct body 1 and the motor 26 are clear to those skilled in the art, so they will not be described in detail.

[0053] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wide-angle diffusion type central defrost air duct for an automobile air conditioner, comprising a defrost air duct body (1) and a defrost air duct opening (2), wherein the defrost air duct opening (2) is fixedly connected to the top of the defrost air duct body (1), Features: A guide plate (3) is arranged inside the defrost air duct opening (2), and the number of the guide plates (3) is several. A diffusion mechanism is arranged on one side of the defrost air duct opening (2), which can increase the defrost area of ​​the defrost air duct body (1), thereby improving the defrost effect of the defrost air duct body (1); The diffusion mechanism comprises a motor (26) fixedly mounted on one side of the defrost air duct opening (2); the output end of the motor (26) is fixedly connected to a rotating rod (4); one end of the rotating rod (4) passes through the interior of the defrost air duct opening (2) and is fixedly connected to a threaded rod (5); the surface of the threaded rod (5) is transmission-connected to a moving block (6); the top of the moving block (6) is fixedly connected to an extrusion plate (7); and the shape of the extrusion plate (7) is arc-shaped.

2. A wide-angle diffusion type central defrost air duct for automobile air conditioner according to claim 1, Features: The diffusion mechanism also includes a fixed rod (8) fixedly connected to the inner wall of the defrost air duct opening (2), and the number of the fixed rods (8) is several. A rotating plate (9) is sleeved on one end of the fixed rod (8), and the bottom of the rotating plate (9) is fixedly connected to the top of the guide plate (3). Both sides of the rotating plate (9) are fixedly connected with torsion springs (10), and the end of the torsion spring (10) away from the rotating plate (9) is fixedly connected to the inner wall of the defrost air duct opening (2). A protective mechanism is provided on the top of the defrost air duct opening (2) to protect the inside of the defrost air duct opening (2).

3. A wide-angle diffusion type central defrosting air duct for automobile air conditioner according to claim 2, Features: The protection mechanism comprises a fixing plate (11) fixedly connected to one side of the defrosting air duct opening (2); a clamping block (12) is fixedly connected to the top of the fixing plate (11); a filter screen (13) is arranged on the top of the defrosting air duct opening (2); a stabilizing block (14) is fixedly connected to one side of the filter screen (13); a clamping groove (15) for use with the clamping block (12) is provided on the top of the stabilizing block (14); a supporting frame (16) is fixedly connected to one side of the clamping block (12); Two push-pull blocks (17) are arranged on one side of the support frame (16), and a plug-in rod (18) is fixedly connected to one side of the push-pull block (17), one end of the plug-in rod (18) penetrates to one side of the clamping block (12), and an inner wall of the clamping groove (15) is provided with a plug-in hole (19) used in conjunction with the plug-in rod (18). Two springs (20) are fixedly connected to one side of the support frame (16), and one end of the spring (20) is fixedly connected to one side of the clamping block (12).

4. A wide-angle diffusion type central defrosting air duct for automobile air conditioner according to claim 3, Features: A threaded hole (21) is provided on one side of the moving block (6), and the threaded hole (21) is used in conjunction with the threaded rod (5).

5. A wide-angle diffusion type central defrosting air duct for automobile air conditioner according to claim 4, Features: The top of the moving block (6) is fixedly connected to a sliding block (22), and the inner wall of the defrosting air duct opening (2) is provided with a sliding groove (23) used in conjunction with the sliding block (22).

6. The wide-angle diffusion type central defrosting air duct of an automobile air conditioner according to claim 1, Features: One end of the threaded rod (5) is provided with a bearing (24), and one end of the threaded rod (5) is rotatably connected to the inner wall of the defrosting air duct opening (2) via the bearing (24).

7. The wide-angle diffusion type central defrosting air duct of an automobile air conditioner according to claim 3, Features: The surface of the push-pull block (17) is fixedly connected with an anti-slip sleeve (25), and the material of the anti-slip sleeve (25) is silica gel.

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