CN215580658U

CN215580658U - Radiator fan motor shell for vehicle

Info

Publication number: CN215580658U
Application number: CN202122072899.6U
Authority: CN
Inventors: 方必祥; 张建华
Original assignee: Tongchi Automobile Air Conditioner Manufacturing Co ltd
Current assignee: Tongchi Automobile Air Conditioner Manufacturing Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-18
Anticipated expiration: 2031-08-30

Abstract

The utility model provides a motor housing of a radiator fan for a vehicle, and belongs to the technical field of machinery. It has solved the current not good problem of shell structural stability. This automobile-used radiator fan motor shell includes the barrel and sets firmly the end cover at the barrel rear end, the shaping has the installation cavity that is used for placing the bearing in the barrel front end, the bearing includes the outer lane and links firmly the inner circle with motor spindle, the annular convex part that supplies the outer lane front end to press has on the installation cavity inner wall, the clamping ring has been inserted in the installation cavity, the clamping ring cover is outside motor spindle and is pressed on outer lane rear end face, integrated into one piece has annular blank pressing on the clamping ring rear end outer wall, annular blank pressing is at installation cavity mouth border, and annular blank pressing links firmly with the barrel through the screw of round along clamping ring circumference equipartition. This radiator fan motor shell for car stable in structure.

Description

Radiator fan motor shell for vehicle

Technical Field

The utility model belongs to the field of automobile accessories, and relates to a radiator fan for a vehicle, in particular to a motor shell of the radiator fan for the vehicle.

Background

The radiator fan is an important component of a cooling system of an automobile engine (motor), and the radiating objects are a water tank and intercooling. When the cooling fan is used, cooling liquid with heat is arranged in the water tank, the cooling liquid is in contact with air through the radiator to dissipate heat, and the fan is used for accelerating heat dissipation.

The motor is an important component of the fan and generally includes a barrel, a rear cover and a spindle disposed within the barrel. The rear cover is fixed at the rear end of the machine barrel, the front end of the machine barrel is provided with a through hole for the main shaft to pass through, and an installation cavity for placing a bearing is formed in the front end of the machine barrel, so that the main shaft and the machine barrel are in rotary connection.

In order to prevent the influence of axial movement on the working stability of the motor caused by the occurrence of the main shaft, the conventional mode is to form a convex ring on the inner wall of the mounting cavity and fix a stop dog on the inner wall of the mounting cavity in a riveting or welding mode, and two ends of the outer ring of the bearing are respectively pressed on the stop dog and the convex ring to realize axial limiting. During actual processing, the check blocks are riveted or welded on the inner wall of the smooth installation cavity, so that the condition of insufficient welding or insufficient riveting is easy to occur, the check blocks are easy to fall off under long-term work, and the effect of the axial limiting bearing is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a radiator fan motor shell with a stable structure for a vehicle.

The purpose of the utility model can be realized by the following technical scheme: automobile-used radiator fan motor shell, include the barrel and set firmly the end cover at the barrel rear end, the shaping has the installation cavity that is used for placing the bearing in the barrel front end, the bearing includes the outer lane and links firmly the inner circle with motor spindle, the annular convex part that supplies the outer lane front end to press has on the installation intracavity wall, a serial communication port, the clamping ring has been inserted in the installation cavity, the clamping ring cover is outside motor spindle and is pressed on outer lane rear end face, integrated into one piece has annular blank pressing on the clamping ring rear end outer wall, annular blank pressing is pressed at installation cavity mouth border, and annular blank pressing links firmly with the barrel through the screw of round along clamping ring circumference equipartition.

The annular blank pressing is tightly pressed and locked on the machine barrel through screws so as to stably position the compression ring, the compression ring is matched with the annular convex part to effectively limit the bearing in the axial direction, the motor spindle is prevented from axially moving, and the working stability and precision of the motor are improved.

In the vehicle radiator fan motor shell, the head of the screw is positioned outside the cylinder, so that the screw is convenient to rotate, and the compression ring is convenient to disassemble and assemble.

In the vehicle radiator fan motor shell, the annular pressing edge is provided with the axially arranged threaded holes, the machine barrel is correspondingly provided with the through holes, the threaded holes and the screws are the same in number and are in one-to-one correspondence in position, the screw rod part penetrates through the through holes and is screwed in the threaded holes, and the screw heads are tightly pressed on the outer wall of the machine barrel.

In the vehicle radiator fan motor shell, the annular blank holder is integrally formed with the pipe parts, the pipe parts are the same in number and correspond to the through holes in position one to one, the pipe parts are inserted into the corresponding through holes, and the inner holes of the pipe parts are the threaded holes.

In the vehicle radiator fan motor casing, the shape and the size of the outer wall of the pipe part are matched with the through hole, and the outer wall of the pipe part is attached to the wall of the through hole.

Pipe portion had both been used for connecting the screw, led the clamping ring installation with the through-hole cooperation again, and in this application, pipe portion possesses a dual-purpose effect of thing promptly, when simplifying the structure, the equipment of being convenient for.

In foretell automobile-used radiator fan motor shell, be equipped with on the lower extreme lateral wall of pipe portion and be conical guide surface, and guide surface extends to the terminal surface before the pipe portion, and the pipe portion inserts the through-hole and guides, further makes things convenient for the clamping ring installation.

In the vehicle radiator fan motor casing, the annular pressing part is arranged on the front end face of the pressing ring, the annular pressing part and the pressing ring are coaxial, and the annular pressing part is pressed on the rear end face of the outer ring.

In the vehicle radiator fan motor shell, the cross section of the annular pressing part is arc-shaped, and the annular pressing part and the outer ring are in line contact, so that the outer ring is stably limited, the contact area between the pressing ring and the bearing can be reduced, and the heat dissipation of the bearing is facilitated.

In foretell automobile-used radiator fan motor housing, the clamping ring possesses elasticity, makes to form elasticity spacing between clamping ring and the outer lane, filters the vibration that bearing department received to a certain extent, improves motor job stabilization nature.

In the above-described radiator fan motor case for a vehicle, the pressing ring is made of a plastic material or a stainless material.

Compared with the prior art, this car radiator fan motor housing has following advantage:

1. the annular blank pressing is tightly pressed and locked on the machine barrel through screws so as to stably position the compression ring, the compression ring is matched with the annular convex part to effectively limit the bearing in the axial direction, the motor spindle is prevented from axially moving, and the working stability and precision of the motor are improved.

2. Pipe portion had both been used for connecting the screw, led the clamping ring installation with the through-hole cooperation again, and in this application, pipe portion possesses a dual-purpose effect of thing promptly, when simplifying the structure, the equipment of being convenient for.

Drawings

Fig. 1 is a perspective view of a radiator fan motor for a vehicle.

Fig. 2 is a schematic sectional view of a radiator fan motor for a vehicle.

Fig. 3 is an enlarged schematic view of a structure at a in fig. 2.

Fig. 4 is an enlarged schematic view of B in fig. 3.

In the figure, 1, a cylinder; 1a, mounting a cavity; 1b, an annular convex part; 2. an end cap; 3. a bearing; 3a, an outer ring; 3b, an inner ring; 4. a motor spindle; 5. pressing a ring; 5a, annular blank pressing; 5b, an annular pressing part; 5c, a tube portion; 5c1, guide surface; 6. and (4) screws.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, the radiator fan motor casing for the vehicle includes a cylinder 1 and an end cap 2 fixed to a rear end of the cylinder 1.

Wherein,

the shaping has the installation cavity 1a that is used for placing bearing 3 in the 1 front end of barrel, and installation cavity 1a accent sets up towards end cover 2, and runs through on the installation cavity 1a diapire and is equipped with the through-hole that power supply machine main shaft 4 passed.

Bearing 3 is current product, and in this embodiment, ball bearing 3 is adopted to the type of bearing 3, and this bearing 3 includes outer lane 3a and inner circle 3b, and inner circle 3b links firmly with motor spindle 4.

As shown in fig. 2 and fig. 3, an annular convex portion 1b for abutting against the front end face of the outer ring 3a is arranged on the inner wall of the mounting cavity 1a, the annular convex portion 1b is coaxial with the mounting cavity 1a, and the annular convex portion 1b is sleeved outside the motor spindle 4. The pressing ring 5 is inserted in the installation cavity 1a, the pressing ring 5 is sleeved outside the motor spindle 4 and pressed on the rear end face of the outer ring 3a, an annular pressing edge 5a is integrally formed on the outer wall of the rear end of the pressing ring 5, the annular pressing edge 5a is coaxial with the pressing ring 5, the annular pressing edge 5a is tightly pressed on the edge of a cavity opening of the installation cavity 1a, and the annular pressing edge 5a is fixedly connected with the machine barrel 1 through a circle of screws 6 uniformly distributed along the circumferential direction of the pressing ring 5 to stably position the pressing ring 5, so that the pressing ring and the annular convex part 1b are matched to effectively limit the bearing 3 in the axial direction, the motor spindle 4 is prevented from axially shifting, and the working stability and precision of the motor are improved.

In the present embodiment, it is preferred that,

the clamping ring 5 has elasticity, so that the clamping ring 5 and the outer ring 3a form elastic spacing therebetween, the vibration received by the bearing 3 is filtered to a certain degree, and the working stability of the motor is improved. Preferably, the pressure ring 5 is made of a plastic material or a stainless steel material.

The front end face of the pressing ring 5 is provided with an annular pressing part 5b, the annular pressing part 5b is coaxial with the pressing ring 5, and the annular pressing part 5b is pressed on the rear end face of the outer ring 3 a. The cross section of the annular pressing part 5b is preferably arc-shaped, and the annular pressing part 5b and the outer ring 3a are in line contact, so that the outer ring 3a is stably limited, the contact area between the pressing ring 5 and the bearing 3 can be reduced, and the heat dissipation of the bearing 3 is facilitated.

The mounting mode of the screw 6 is as follows: the head of the screw 6 is positioned outside the machine barrel 1; the annular blank pressing 5a is provided with an axially arranged threaded hole, the machine barrel 1 is correspondingly provided with through holes, the threaded holes and the screws 6 are identical in number and correspond to one another in position, the rod parts of the screws 6 penetrate through the through holes and are screwed in the threaded holes, and the heads of the screws 6 are tightly pressed on the outer wall of the machine barrel 1.

Further, as shown in fig. 3 and 4, the annular pressing edge 5a is integrally formed with tube portions 5c, and the tube portions 5c have the same number and the positions thereof are in one-to-one correspondence with the through holes. The pipe part 5c is inserted into the corresponding through hole, the shape and the size of the outer wall of the pipe part 5c are matched with those of the through hole, at the moment, the outer wall of the pipe part 5c is attached to the wall of the through hole, and the inner hole of the pipe part 5c is the threaded hole. Furthermore, the outer side wall of the lower end of the pipe part 5c is provided with a conical guide surface 5c1, and the guide surface 5c1 extends to the front end surface of the pipe part 5c to guide the pipe part 5c to be inserted into the through hole, so that the press ring 5 is further convenient to mount.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A motor shell of a radiator fan for a vehicle comprises a machine barrel (1) and an end cover (2) fixedly arranged at the rear end of the machine barrel (1), wherein a mounting cavity (1a) for placing a bearing (3) is formed in the front end of the machine barrel (1), the bearing (3) comprises an outer ring (3a) and an inner ring (3b) fixedly connected with a motor spindle (4), an annular convex part (1b) for pressing against the front end of the outer ring (3a) is arranged on the inner wall of the mounting cavity (1a), it is characterized in that a pressure ring (5) is inserted in the installation cavity (1a), the pressure ring (5) is sleeved outside the motor spindle (4) and pressed on the rear end face of the outer ring (3a), an annular blank holder (5a) is integrally formed on the outer wall of the rear end of the pressure ring (5), the annular blank holder (5a) is tightly pressed on the edge of the cavity opening of the installation cavity (1a), and the annular blank pressing (5a) is fixedly connected with the machine barrel (1) through a circle of screws (6) uniformly distributed along the circumferential direction of the pressing ring (5).

2. The motor housing of vehicular radiator fan according to claim 1, wherein the head of the screw (6) is located outside the cylinder (1).

3. The vehicle radiator fan motor shell according to claim 1 or 2, wherein the annular pressing edge (5a) is provided with axially arranged threaded holes, the machine barrel (1) is correspondingly provided with through holes, the number of the threaded holes and the number of the screws (6) are the same, the positions of the through holes, the number of the threaded holes and the positions of the screws are in one-to-one correspondence, the rod parts of the screws (6) penetrate through the through holes and are screwed in the threaded holes, and the head parts of the screws (6) are tightly pressed on the outer wall of the machine barrel (1).

4. The vehicle radiator fan motor housing according to claim 3, wherein the annular beads (5a) are integrally formed with tube portions (5c), the tube portions (5c) are provided at the same number and in one-to-one correspondence with the through holes, the tube portions (5c) are inserted into the corresponding through holes, and the inner holes of the tube portions (5c) are the above-mentioned screw holes.

5. The vehicle radiator fan motor housing according to claim 4, wherein the shape and size of the outer wall of the tube portion (5c) are matched with those of the through hole, and the outer wall of the tube portion (5c) abuts against the wall of the through hole.

6. The vehicle radiator fan motor housing according to claim 5, wherein a guide surface (5c1) having a tapered shape is provided on an outer side wall of a lower end of the tube portion (5c), and the guide surface (5c1) extends to a front end surface of the tube portion (5 c).

7. The vehicle radiator fan motor housing according to claim 1, wherein the pressing ring (5) has an annular pressing portion (5b) on a front end surface thereof, the annular pressing portion (5b) and the pressing ring (5) are coaxial, and the annular pressing portion (5b) is pressed against a rear end surface of the outer ring (3 a).

8. The vehicle radiator fan motor housing according to claim 7, wherein the cross section of the annular pressing portion (5b) is circular arc-shaped, and the annular pressing portion (5b) and the outer ring (3a) are in line contact with each other.

9. The vehicle radiator fan motor housing according to claim 1, wherein the pressing ring (5) has elasticity.

10. Radiator fan motor housing for vehicle according to claim 9, characterized in that the pressure ring (5) is made of plastic material or stainless steel material.