CN221096891U

CN221096891U - Automobile blower fan

Info

Publication number: CN221096891U
Application number: CN202322655083.5U
Authority: CN
Inventors: 黄志勇
Original assignee: Pinghu Jianmeng Electronics Co ltd
Current assignee: Pinghu Jianmeng Electronics Co ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-06-07
Anticipated expiration: 2033-09-28

Abstract

The utility model discloses an automobile blower fan, which relates to the technical field of automobile blower fans and comprises a machine shell, wherein the inner side of the machine shell is fixedly connected with a supporting plate, the top end of the supporting plate is in threaded connection with a driving motor, the top end of the driving motor is fixedly connected with a fan body, the bottom end of the machine shell is fixedly connected with a limiting frame, the bottom end of the limiting frame is movably connected with dustproof cloth, the bottom end of the limiting frame is in threaded connection with a fixing frame, the dustproof cloth is clamped on the inner sides of the limiting frame and the fixing frame, and the dustproof cloth covers the inner bottom end of the machine shell. When the air conditioner is used, the driving motor can drive the fan body to rotate, and the dustproof cloth can stop dust in air while not preventing the fan from sucking air because the dustproof cloth is not sealed, so that the air and the dust can be prevented from being sucked together, and the dust filtering amount of the air conditioner filtering system can be reduced, so that the service life of the air conditioner filtering system is prolonged.

Description

Automobile blower fan

Technical Field

The utility model belongs to the technical field of automobile blower fans, and particularly relates to an automobile blower fan.

Background

Vehicles are not unfamiliar, and are mainly used for carrying personnel and/or goods; the vehicle for hauling personnel and/or goods has various functions, such as an air conditioning system in the vehicle, the air conditioner in the vehicle is driven by equipment such as a blower fan, and the blower fan sucks air in the vehicle, and then the air is discharged into a cab through various cold and hot air driving structures in the vehicle to achieve the purpose of blowing cold and hot air, unlike the conventional fan, and the air conditioning system is deeply favored by the vast population.

The Chinese patent with publication number of CN112012958B discloses a fan impeller structure of an air conditioner blower of an automobile, which comprises a hub and blades circumferentially arranged at intervals around the hub, and is characterized in that: one end of each blade is provided with a connecting ring, and noise reduction fins are arranged between the blades and the connecting rings; the blades are provided with arc-shaped concave surfaces which are arranged towards the connecting ring in the clockwise direction; the noise reduction fins are arranged between every two blades which are arranged at intervals.

However, this device has a small disadvantage in that the blower fan is installed inside the automobile, and a lot of dust is attached to the inside of the automobile in the lapse of time, and the blower fan is sucking air inside the automobile when blowing the air, and then discharging the air into the cab, so that the dust inside the automobile is brought into the cab together, and although the air conditioning system is equipped with the filter structure, the dust can be blocked by the filter structure for a long time, and cleaning is very inconvenient.

Disclosure of utility model

In view of the problems mentioned in the background art, an object of the present utility model is to provide an automotive blower fan to solve the problems mentioned in the background art.

The technical aim of the utility model is realized by the following technical scheme:

The utility model provides an automobile blower fan, includes the casing, the inboard fixedly connected with backup pad of casing, the top threaded connection of backup pad has driving motor, driving motor's top fixedly connected with fan body, driving motor and fan body all are located the inboard central point of casing put, the bottom fixedly connected with spacing frame of casing, the bottom swing joint of spacing frame has dust cloth, the bottom threaded connection of spacing frame has a fixed frame, dust cloth centre gripping is in the inboard of spacing frame and fixed frame, the inboard bottom of dust cloth cover shell, the circular slot has been seted up on the top of casing, the inboard threaded connection of circular slot has protection machanism.

As the preferred technical scheme, the bottom fixedly connected with installation piece of casing, installation piece fixed connection leans on the four sides of corner in the casing bottom, the locating hole has been seted up on the top of casing, the locating hole is seted up on the four sides of corner near the casing top, the locating hole all runs through casing and installation piece.

As the preferred technical scheme, the screw has been seted up to the bottom of backup pad, the screw all runs through the bottom of backup pad and driving motor, the inboard threaded connection of screw has the bolt, the top threaded connection of bolt is in driving motor's inboard, driving motor passes through screw and bolt threaded connection in the top of backup pad.

As the preferable technical scheme, the second external screw thread has been seted up to the lateral surface of spacing frame, the internal screw thread with second external screw thread assorted has been seted up to the medial surface of fixed frame, fixed frame passes through second external screw thread threaded connection in the bottom of spacing frame.

As the preferable technical scheme, protection machanism includes the protection frame, the inboard threaded connection of circular slot has the protection frame, the inboard fixedly connected with shelves strip of protection frame, the inboard of shelves strip cover protection frame, the position of shelves strip is symmetrical with the position of fan.

As the preferable technical scheme, the first external screw thread has been seted up to the lateral surface of protection frame, set up on the inner wall of circular groove with first external screw thread assorted internal screw thread, the protection frame passes through first external screw thread threaded connection in the inboard of circular groove.

As the preferable technical scheme, the lateral surface fixedly connected with lug of protection frame, the shape of lug is the arc, the lateral surface of lug scribbles the antiskid layer, the antiskid layer of lug lateral surface covers the lug.

In summary, the utility model has the following advantages:

Firstly, when the air conditioner is used, the driving motor can drive the fan body to rotate, because the dustproof cloth is not sealed, dust in air can be blocked while the dust is not prevented from sucking air by the fan, so that the air and the dust can be prevented from being sucked together, meanwhile, the dust filtering amount of the air conditioner filtering system can be reduced, the service life of the air conditioner filtering system is prolonged, because the dustproof cloth is clamped at the inner sides of the limiting frame and the fixing frame, the cost of the dustproof cloth is lower, and when the service life is longer, a user can directly unscrew the fixing frame to replace the dustproof cloth through a screw thread principle, so that the aim of preventing the dust from being blown into a cab together can be achieved;

Second, the outside of every fan of air-blower in the past all can be fixed with the shelves, and its shelves can protect the fan, also can improve user's self safety, can be because of the fixed mode of shelves in the past is fixed through the bolt in general, and the dismouting is very inconvenient, therefore inconvenient to maintain it, when the protection frame of this device is dismantled to needs, the user accessible lug grant snatchs the point and directly unscrews the protection frame manually, also greatly reduced the consumption to the time when conveniently carrying out dismouting maintenance to the protection frame.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the protection mechanism of the present utility model;

FIG. 3 is a schematic view of the bottom end structure of the present utility model;

fig. 4 is a schematic view of the inner structure of the casing of the present utility model.

Reference numerals: 1. the fan comprises a shell, 2, an installation block, 3, a positioning hole, 4, a circular groove, 5, a protection mechanism, 51, a protection frame, 52, a stop bar, 53, first external threads, 54, a bump, 6, a support plate, 7, a driving motor, 8, a fan body, 9, screw holes, 10, bolts, 11, a limiting frame, 12, second external threads, 13, dustproof cloth, 14 and a fixing frame.

Detailed Description

Referring to fig. 1 to 4, an automotive blower fan of the present embodiment includes a housing 1, an inner side of the housing 1 is fixedly connected with a supporting plate 6, a driving motor 7 is screwed on the top end of the supporting plate 6, the driving motor 7 is fixedly connected with a fan body 8, both the driving motor 7 and the fan body 8 are located at the inner side center position of the housing 1, a limiting frame 11 is fixedly connected with the bottom end of the housing 1, a dustproof cloth 13 is movably connected with the bottom end of the limiting frame 11, a fixing frame 14 is screwed on the bottom end of the limiting frame 11, the dustproof cloth 13 is clamped on the inner sides of the limiting frame 11 and the fixing frame 14, the dustproof cloth 13 covers the inner side bottom end of the housing 1, a circular groove 4 is formed in the top end of the housing 1, and a protection mechanism 5 is screwed on the inner side of the circular groove 4.

Referring to fig. 1 and 4, the bottom end fixedly connected with installation piece 2 of casing 1, installation piece 2 fixed connection is in the four sides that the casing 1 bottom leans on the corner, locating hole 3 has been seted up on the top of casing 1, locating hole 3 is seted up in the four sides that the casing 1 top leans on the corner, locating hole 3 all runs through casing 1 and installation piece 2, during installation casing 1, the position of user accessible installation piece 2 to casing 1 is injectd, then the rethread locating hole 3 is fixed casing 1 can, the height of its installation piece 2 is higher than the position of fixed frame 14, consequently, the inconvenience of installation brought to the fixed block when can avoid the installation, consequently can reach the purpose that convenient installation can.

Referring to fig. 4, a screw hole 9 is provided at the bottom end of the support plate 6, the screw hole 9 penetrates through the bottom ends of the support plate 6 and the driving motor 7, a bolt 10 is screwed on the inner side of the screw hole 9, the top end of the bolt 10 is screwed on the inner side of the driving motor 7, the driving motor 7 is screwed on the top end of the support plate 6 through the screw hole 9 and the bolt 10, and the driving motor 7 is screwed on the top end of the support plate 6, so that the screw hole 9 is directly screwed out of the bolt 10 when the driving motor 7 is dismounted, and the purpose of conveniently dismounting the driving motor 7 can be achieved.

Referring to fig. 3 and 4, the outer side surface of the limiting frame 11 is provided with the second external thread 12, the inner side surface of the fixing frame 14 is provided with the internal thread matched with the second external thread 12, the fixing frame 14 is connected to the bottom end of the limiting frame 11 through the second external thread 12, and the dustproof cloth 13 is clamped between the limiting frame 11 and the inner side of the fixing frame 14, so that the cost of the dustproof cloth 13 is lower, when the service time is long, a user can directly unscrew the fixing frame 14 to replace the dustproof cloth 13 through the thread principle, and therefore the purpose of preventing dust from being blown into a cab together can be achieved.

Referring to fig. 1 and 2, the protection mechanism 5 includes a protection frame 51, the inner side of the circular groove 4 is in threaded connection with the protection frame 51, the inner side of the protection frame 51 is fixedly connected with a stop bar 52, the stop bar 52 covers the inner side of the protection frame 51, the position of the stop bar 52 is symmetrical to the position of the fan, and due to the existence of the stop bar 52, the stop bar 52 can improve the self safety of a driver while protecting the fan body 8, so that the safety of the device can be effectively improved.

Referring to fig. 1 and 2, the outer side surface of the protection frame 51 is provided with a first external thread 53, the inner wall of the circular groove 4 is provided with an internal thread matched with the first external thread 53, the protection frame 51 is connected to the inner side of the circular groove 4 through the first external thread 53 in a threaded manner, the outer side of each blower fan is fixed with a baffle strip 52 in the past, the baffle strips 52 can protect the fan, the safety of a user can also be improved, the fixing mode of the baffle strips 52 in the past is mainly realized through bolts 10, the disassembly and assembly are very inconvenient, and therefore, the maintenance is inconvenient, when the protection frame 51 of the device needs to be disassembled, a user can directly screw the protection frame 51 down manually through a grabbing point granted by a bump 54, and the time consumption is greatly reduced while the disassembly and the maintenance of the protection frame 51 are convenient.

Referring to fig. 2, the outer side of the protection frame 51 is fixedly connected with a bump 54, the bump 54 is arc-shaped, the outer side of the bump 54 is coated with an anti-slip layer, the anti-slip layer on the outer side of the bump 54 covers the bump 54, the bump 54 grants the grabbing point of the protection frame 51 due to the existence of the bump 54, the anti-slip layer can improve the friction between the bump 54 and the palm, and the protection frame 51 can be unscrewed through the bump 54 more conveniently and rapidly.

The use principle and the advantages are that: when the casing 1 is installed, a user can limit the position of the casing 1 through the installation block 2, then the casing 1 is fixed through the positioning hole 3, the height of the installation block 2 is higher than that of the fixing frame 14, so that the inconvenience of installation caused by the fixing block during installation can be avoided, the purpose of convenient installation can be achieved, when the casing 1 is used, the driving motor 7 can drive the fan body 8 to rotate, the dustproof cloth 13 is a cloth product and is not sealed, dust in the air can be blocked while the dust cloth 13 does not prevent the fan from sucking air, the air and the dust can be prevented from being sucked together, the dust filtering amount of the air conditioner filtering system can be reduced, the service time is prolonged, the driving motor 7 is fixed at the top end of the supporting plate 6 through threads, when the driving motor 7 is disassembled, the bolts 10 can be directly screwed out of the screw holes 9, therefore, the purpose of conveniently disassembling the driving motor 7 can be achieved, because the dustproof cloth 13 is clamped at the inner sides of the limiting frame 11 and the fixed frame 14, and the dustproof cloth 13 has lower cost, when the service time is longer, a user can directly unscrew the fixed frame 14 through the screw thread principle to replace the dustproof cloth 13, thus the purpose of avoiding dust from being blown into a cab together can be achieved, because of the existence of the baffle strip 52, the baffle strip 52 can improve the self safety of a driver while protecting the fan body 8, thus effectively improving the safety of the device, the baffle strip 52 can be fixed at the outer side of each blower fan in the past, the baffle strip 52 can protect the fan, the self safety of the user can also be improved, and the prior baffle strip 52 is fixed through the bolt 10 in a fixing way, the disassembly and assembly are extremely inconvenient, thus the maintenance is inconvenient, when the protective frame 51 of the device needs to be disassembled, a user can directly screw off the protective frame 51 manually through the grabbing points granted by the protruding blocks 54, so that the time consumption is greatly reduced while the protective frame 51 is convenient to disassemble and maintain, the protruding blocks 54 grant the grabbing points of the protective frame 51, the anti-slip layer can improve the friction between the protruding blocks 54 and the palm, and the protective frame 51 can be screwed off through the protruding blocks 54 more conveniently and rapidly.

Claims

1. An automobile blower fan, includes the casing, its characterized in that: the inner side of the shell is fixedly connected with a supporting plate, the top end of the supporting plate is in threaded connection with a driving motor, the top end of the driving motor is fixedly connected with a fan body, the driving motor and the fan body are both positioned at the center of the inner side of the shell, the bottom end of the shell is fixedly connected with a limiting frame, the bottom swing joint of spacing frame has dustproof cloth, the bottom threaded connection of spacing frame has fixed frame, dustproof cloth centre gripping is in the inboard of spacing frame and fixed frame, the inboard bottom of shell is covered to dustproof cloth, circular groove has been seted up on the top of casing, the inboard threaded connection of circular groove has protection machanism.

2. A motor vehicle blower fan as set forth in claim 1 wherein: the bottom fixedly connected with installation piece of casing, installation piece fixed connection leans on the four sides of corner in the casing bottom, the locating hole has been seted up on the top of casing, the locating hole is seted up in the casing top and leans on the four sides of corner, the locating hole all runs through casing and installation piece.

3. A motor vehicle blower fan as set forth in claim 1 wherein: screw has been seted up to the bottom of backup pad, the screw all runs through the bottom of backup pad and driving motor, the inboard threaded connection of screw has the bolt, the top threaded connection of bolt is in driving motor's inboard, driving motor passes through screw and bolt threaded connection in the top of backup pad.

4. A motor vehicle blower fan as set forth in claim 1 wherein: the second external screw thread has been seted up to the lateral surface of spacing frame, the internal screw thread with second external screw thread assorted has been seted up to the medial surface of fixed frame, fixed frame passes through second external screw thread threaded connection in the bottom of spacing frame.

5. A motor vehicle blower fan as set forth in claim 1 wherein: the protection mechanism comprises a protection frame, the inner side of the circular groove is in threaded connection with the protection frame, a stop bar is fixedly connected to the inner side of the protection frame, the stop bar covers the inner side of the protection frame, and the position of the stop bar is symmetrical to the position of the fan.

6. A motor vehicle blower fan as set forth in claim 5 wherein: the outer side face of the protection frame is provided with first external threads, the inner wall of the circular groove is provided with internal threads matched with the first external threads, and the protection frame is connected to the inner side of the circular groove through the first external threads.

7. A motor vehicle blower fan as set forth in claim 5 wherein: the outer side face of the protection frame is fixedly connected with a lug, the lug is arc-shaped, the outer side face of the lug is coated with an anti-slip layer, and the anti-slip layer on the outer side face of the lug covers the lug.