Double-wind-wheel automobile air blower
By introducing an anti-detachment device into the automotive blower, the problem of loosening and falling off caused by vibration is solved, achieving stable installation and convenient disassembly and cleaning of the equipment.
Patent Information
- Application Number
- CN202520578189.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-28
AI Technical Summary
The existing automotive blower has a problem where the locking knob becomes loose when it vibrates, causing the lifting bracket to fall out of the positioning slot and damage the equipment.
Design a dual-fan automotive blower with an anti-detachment device, including a positioning block, an anti-detachment block, and a drive button, to ensure that the anti-detachment groove abuts during vibration, preventing the lifting bracket from sliding, and is fixed by the anti-detachment block being engaged in the positioning groove.
It effectively prevents loosening and falling off caused by vibration, ensures stable installation of equipment, facilitates disassembly and cleaning maintenance, and reduces the risk of screws accidentally falling off.
Smart Images

Figure CN223806361U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a car blower fan technical field especially relates to a double wind wheel car blower fan. BACKGROUND
[0002] The car air conditioner blower fan, by name, is installed in the car air conditioning system for conveying clean air and other gas device, is the important helper of car air conditioning system, has the important significance to the air circulation in the car.
[0003] For example, the authorized announcement number "CN218894776U" is named a car air conditioner blower fan convenient to maintain, through the positioning clamping block embedding in the first lifting support, the second lifting support and the third lifting support surface on the wall body of the car mounting port pre-set positioning clamping groove and the car air conditioner blower fan is fixed, so that the flexible disassembly car air conditioner blower fan mode provides the convenience for the impeller assembly part cleaning maintenance, and the car air conditioner blower fan is inverted on the ground through the first lifting support, the second lifting support and the third lifting support, and the impeller assembly part is suspended, which is convenient for the rotation of the impeller assembly and the circle flushing.
[0004] The above and prior art have the following defects: the car blower fan is affected by vibration, which can cause the locking knob to loosen, causing the lifting support to slide from the telescopic sliding port, causing the positioning clamping block to fall off from the pre-set positioning clamping groove of the car mounting port wall body, resulting in damage to the car blower fan. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving the shortcomings in the prior art and provides a double wind wheel car blower fan.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A double wind wheel car blower fan is designed, which comprises a motor, the rotating shaft of the motor extends from both ends of the motor and is fixedly connected with a wind wheel, the left and right ends of the motor are fixedly connected with a fixed disc, a plurality of telescopic sleeves are uniformly arranged on the side surface of the two fixed discs, a lifting support provided with an anti-tip foot at one end is slidably connected in each telescopic sleeve, a bolt is threadedly connected to the surface of the telescopic sleeve, a plurality of anti-drop grooves are formed in the side surface of the lifting support close to the bolt, the end of the bolt extends into the anti-drop groove, two T-shaped grooves are formed in the inner side surface of each lifting support, a driving knob is slidably connected in each T-shaped groove, two first springs are arranged between the driving knob and the inner wall of the T-shaped groove, two positioning clamping blocks corresponding to the T-shaped grooves are arranged on the side surface of each lifting support away from the wind wheel, an anti-drop device connected with the driving knob is arranged in the positioning clamping block, and a driving device is arranged on the inner side surface of each lifting support.
[0008] Preferably, the anti-off device comprises a positioning sliding block, the positioning sliding block is slidably connected in the positioning clamping block, the side surface of the positioning sliding block is provided with an anti-off block which slides through the positioning clamping block, the side surface of the anti-off block is provided with a first notch which is inclined from inside to outside to the positioning sliding block, the surface of the positioning sliding block is provided with a first sliding groove which is inclined from inside to outside to the anti-off block, the first sliding groove is slidably connected with a connecting rod, the connecting rod is provided with a first driving sliding rod at both ends, the upper ends of the two first driving sliding rods slide through the lifting support and are connected with a driving knob, and the positioning sliding block and the side inner wall of the positioning clamping block are provided with two second springs.
[0009] Preferably, the side inner walls of the T-shaped groove are provided with second sliding grooves, and the surfaces of the driving knob are provided with moving blocks which are slidably connected with the second sliding grooves.
[0010] Preferably, the driving device comprises a limiting block which is arranged on the inner side surface of the lifting support, the second driving sliding rod is slidably connected with a second driving sliding rod, the second driving sliding rod slides through the lifting support and is provided with a button, the second driving sliding rod is sleeved with a third spring, the third spring is arranged between the lifting support and the button, the side surface of the second driving sliding rod is provided with two trigger blocks which are in one-to-one correspondence with the driving knob, and the side surface of the trigger block is provided with a second notch which is inclined from inside to outside to the button.
[0011] Preferably, the end of the second driving sliding rod away from the button is provided with a limiting end block.
[0012] Preferably, the upper and lower surfaces of the positioning sliding block are provided with two mounting ears, the inner sides of the two mounting ears on the same side are slidably connected with limiting sliding rods, and the two limiting sliding rods are connected with the inner wall of the positioning clamping block.
[0013] The automobile blower disclosed by the utility model has the beneficial effects that: the anti-off device is arranged, when the automobile blower is affected by vibration, even if the bolt is loose, the side wall of the anti-off groove will abut against to avoid the lifting support from sliding, meanwhile, the anti-off block of the anti-off device protrudes from the positioning clamping block and is clamped into the pre-set positioning clamping groove on the wall body of the automobile mounting port, the lifting support is prevented from sliding from the telescopic sleeve and the positioning clamping block is prevented from falling off from the pre-set positioning clamping groove on the wall body of the automobile mounting port, and the automobile blower is prevented from being damaged. ACCOMPANYING DRAWINGS
[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0015] Figure 2 It is a sectional structure schematic view of the utility model;
[0016] Figure 3 It is an A position enlarged view of the utility model;
[0017] Figure 4 B position enlarged view of the utility model;
[0018] Figure 5 C-C position enlarged view of the utility model.
[0019] In the figure: motor 1, wind wheel 2, fixed disc 3, telescopic sleeve 4, anti-tilt support 5, lifting support 6, T-shaped groove 7, drive knob 8, first spring 9, positioning clamping block 10, positioning sliding block 11, anti-dropping block 12, first sliding groove 13, connecting rod 14, first drive sliding rod 15, second spring 16, second sliding groove 17, moving block 18, limiting block 19, second drive sliding rod 20, button 21, third spring 22, trigger block 23, bolt 24, anti-dropping groove 25, limiting end block 26, mounting lug 27, limiting sliding rod 28. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0021] Referring to Figures 1-5 A double-wind wheel automobile air blower, including motor 1, the rotating shaft of motor 1 is stretched out from both ends of motor 1 and is fixedly connected with wind wheel 2, motor 1 left and right two ends are fixedly connected with fixed disc 3, the side surface of two fixed discs 3 is evenly provided with multiple telescopic sleeves 4, the inside of multiple telescopic sleeves 4 is slidably connected with lifting support 6 with anti-tilt support 5 at one end, the surface of telescopic sleeve 4 is threadedly connected with bolt 24, the side surface of lifting support 6 close to bolt 24 is provided with multiple anti-dropping grooves 25, one end of bolt 24 is inserted into anti-dropping groove 25, the inside surface of multiple lifting supports 6 is provided with two T-shaped grooves 7, the inside of multiple T-shaped grooves 7 is slidably connected with drive knob 8, drive knob 8 and the inner wall of T-shaped groove 7 are provided with two first springs 9, the side surface of multiple lifting supports 6 away from wind wheel 2 is provided with two positioning clamping blocks 10 corresponding to T-shaped groove 7, the inside of positioning clamping block 10 is provided with anti-dropping device connected with drive knob 8, the inside surface of multiple lifting supports 6 is provided with drive device.
[0022] The anti-falling device comprises a positioning sliding block 11 which is slidingly connected inside the positioning clamping block 10, the positioning sliding block 11 is provided with an anti-falling block 12 which slidingly penetrates the positioning clamping block 10 on one side surface, the anti-falling block 12 is provided with a first notch which is inclined from inside to outside to the positioning sliding block 11 on one side surface, the positioning sliding block 11 is provided with a first sliding groove 13 which is inclined from inside to outside to the anti-falling block 12 on the surface, the first sliding groove 13 is slidingly connected with a connecting rod 14 inside, the connecting rod 14 is provided with a first driving sliding rod 15 at both ends, the two first driving sliding rods 15 are slidingly penetrated through the lifting support 6 and connected with the driving knob 8 on the upper end, the positioning sliding block 11 is provided with two second springs 16 between the side inner wall of the positioning clamping block 10.
[0023] The T-shaped groove 7 is provided with a second sliding groove 17 on the inner wall of both sides, the driving knob 8 is provided with a moving block 18 on the surface of both sides, and the moving block 18 is slidingly connected with the second sliding groove 17. By sliding the moving block 18 in the second sliding groove 17, the second sliding groove 17 is more stable.
[0024] The driving device comprises a limiting block 19 which is arranged on the inner side surface of the lifting support 6, the limiting block 19 is slidingly connected with a second driving sliding rod 20 inside, the second driving sliding rod 20 is slidingly penetrated through the lifting support 6 and provided with a button 21, the second driving sliding rod 20 is sleeved with a third spring 22, the third spring 22 is arranged between the lifting support 6 and the button 21, the second driving sliding rod 20 is provided with two trigger blocks 23 which are one-to-one corresponding to the driving knob 8 on one side surface, and the trigger block 23 is provided with a second notch which is inclined from inside to outside to the button 21 on one side surface.
[0025] The second driving sliding rod 20 is provided with a limiting end block 26 at one end away from the button 21.
[0026] The positioning sliding block 11 is provided with two mounting ears 27 on the upper and lower surfaces, the same side two mounting ears 27 are slidingly connected with a limiting sliding rod 28 inside, and both ends of the two limiting sliding rods 28 are connected with the inner wall of the positioning clamping block 10. By sliding the mounting ear 27 on the limiting sliding rod 28, the positioning sliding block 11 is more stable.
[0027] Working principle: when assembling the automobile air blower with the automobile installation port, first retract the lifting support 6 on the telescopic sleeve 4, then place the automobile air blower into the automobile installation port, then move the lifting support 6 on the telescopic sleeve 5 outward, set the anti-dropping device, until the positioning block 10 is embedded into the preset positioning slot on the wall of the automobile installation port, through the compression force of the second spring 16, push the positioning sliding block 11, make the anti-dropping block 12 protrude from the positioning block 10, and is clamped into the preset positioning slot on the wall of the automobile installation port, finally tighten the bolt 24, the bolt 24 abuts against one side of the inner wall of the anti-dropping groove 25 to complete the fixation of the automobile air conditioner blower; as described above, when the automobile air blower is affected by vibration, even if the bolt 24 is loose, the sidewall of the anti-dropping groove 25 will abut against to avoid the sliding of the lifting support 6, at the same time, the anti-dropping block 12 protrudes from the positioning block 10 and is clamped into the preset positioning slot on the wall of the automobile installation port to avoid the sliding of the lifting support 6 from the telescopic sleeve 4 and the falling of the positioning block 10 from the preset positioning slot on the wall of the automobile installation port, which causes the damage of the automobile air blower.
[0028] When disassembling, loosen the bolt 24 and retract the lifting support 6, then press the button 21 of the driving device to make the trigger block 23 press the driving knob 8, through the first driving sliding rod 15, drive the connecting rod 14 to slide outward, make the connecting rod 14 slide in the first sliding groove 13, because the first sliding groove 13 is inclined from inside to outside to the anti-dropping block 12, so that the positioning sliding block 11 moves, the anti-dropping block 12 retracts into the positioning block 10, then pull the lifting support 6 to make the positioning block 10 separate from the preset positioning slot on the wall of the automobile installation port, so that the automobile air conditioner blower can be disassembled and assembled flexibly, which provides convenience for cleaning and maintenance of the wind wheel 2, and improves the screw locking mode to reduce the trouble of accidentally dropping the screw into the automobile.
[0029] When cleaning the wind wheel 2, the automobile air conditioner blower is inverted on the ground through the lifting support 6, and one side of the wind wheel 2 is suspended, which is convenient for rotating and washing the wind wheel 2, and the other side of the wind wheel 2 is the same.
[0030] The above is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A dual-impeller automotive blower comprising a motor (1), characterized in that, The rotating shaft of the motor (1) extends from both ends of the motor (1) and is fixedly connected with a wind wheel (2), the motor (1) is fixedly connected with a fixed disc (3) at left and right ends, a plurality of telescopic sleeves (4) are uniformly arranged on the side surfaces of the two fixed discs (3), a lifting support (6) provided with an anti-tilt supporting leg (5) at one end is slidably connected in the plurality of telescopic sleeves (4), a bolt (24) is threadedly connected with the surface of the telescopic sleeve (4), a plurality of anti-dropping grooves (25) are formed in the side surface of the lifting support (6) close to the bolt (24), one end of the bolt (24) extends into the anti-dropping groove (25), two T-shaped grooves (7) are formed in the inner side surfaces of the plurality of lifting supports (6), a driving knob (8) is slidably connected in each of the T-shaped grooves (7), two first springs (9) are arranged between the driving knob (8) and the inner wall of the T-shaped groove (7), two positioning clamping blocks (10) corresponding to the T-shaped grooves (7) are arranged on the side surface of the plurality of lifting supports (6) away from the wind wheel (2), an anti-dropping device connected with the driving knob (8) is arranged in the positioning clamping block (10), and a driving device is arranged on the inner side surface of the plurality of lifting supports (6).
2. A dual-impeller automotive air blower as claimed in claim 1, wherein The anti-dropping device comprises a positioning sliding block (11) slidably connected in the positioning clamping block (10), an anti-dropping block (12) slidably penetrating through the positioning clamping block (10) is arranged on the side surface of the positioning sliding block (11), a first notch inclined from the inside to the outside of the anti-dropping block (12) is arranged on the side surface of the anti-dropping block (12), a first sliding groove (13) inclined from the inside to the outside of the anti-dropping block (12) is formed in the surface of the positioning sliding block (11), a connecting rod (14) is slidably connected in the first sliding groove (13), first driving sliding rods (15) are arranged at both ends of the connecting rod (14), the upper ends of the two first driving sliding rods (15) slidably penetrate through the lifting support (6) and are connected with the driving knob (8), and two second springs (16) are arranged between the positioning sliding block (11) and the inner wall of the positioning clamping block (10).
3. A dual-impeller automotive air blower as claimed in claim 1, wherein, Second sliding grooves (17) are formed in the inner walls of the two sides of the T-shaped groove (7), and moving blocks (18) are arranged on the side surfaces of the driving knob (8).
4. The dual-impeller automotive air blower of claim 1, wherein The driving device comprises a limiting block (19) arranged on the inner side surface of the lifting support (6), a second driving sliding rod (20) is slidably connected in the limiting block (19), the second driving sliding rod (20) slidably penetrates through the lifting support (6) and is provided with a button (21), a third spring (22) is sleeved on the second driving sliding rod (20), the third spring (22) is arranged between the lifting support (6) and the button (21), two trigger blocks (23) corresponding to the driving knob (8) are arranged on the side surface of the second driving sliding rod (20), and a second notch inclined from the inside to the outside of the button (21) is arranged on the side surface of the trigger block (23).
5. A twin-impeller automotive air blower according to claim 4, wherein A limiting end block (26) is arranged at the end of the second driving sliding rod (20) away from the button (21).
6. A dual-impeller automotive air blower as defined in claim 2, wherein The positioning slider (11) is provided with two mounting ears (27) on the upper and lower surfaces, the same side two mounting ears (27) are internally and slidably connected with a limiting slide rod (28), and both ends of the two limiting slide rods (28) are connected with the inner wall of the positioning clamping block (10).
Citation Information
Patent Citations
Automobile air conditioner air blower convenient to maintain
CN218894776U