Device for disassembling motor rotor assembly of air blower of vehicle-mounted air conditioner

Abstract

The utility model relates to the technical field of motor rotor assembly disassembly, and discloses a device for disassembling a motor rotor assembly of a vehicle-mounted air conditioner blower, which comprises a control rod and a threaded sleeve, a threaded rod is fixedly arranged at the bottom of the control rod, the threaded sleeve is in threaded connection with the threaded rod, and three pairs of extension frames are uniformly and fixedly arranged on the periphery of the bottom of the threaded sleeve. And a rotating shaft is rotationally arranged in the middle of each pair of extension frames. According to the device, the bottom of a bearing on a motor rotor shaft can be limited through the fixing hooks at the bottoms of the three connecting rods, then the bolts in the three inner threaded rings on the extension plate are controlled to rotate to fix the bearing through the pull claws, and the threaded rod rotates and descends in the threaded sleeve, so that the rotating shaft of the motor rotor can be ejected out towards the lower end; therefore, the motor rotor and the bearing can be disassembled and separated, a worker can be assisted to disassemble the motor rotor and the bearing, time and labor are saved, and the disassembling working efficiency of the motor rotor and the bearing can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor rotor assembly disassembly, in particular to a device for disassembling the motor rotor assembly of a vehicle-mounted air-conditioning blower. Background Technique

[0002] Generally, a blower is installed inside a vehicle-mounted air conditioner. When the blower is scrapped and recycled, it is necessary to disassemble the motor rotor shaft and bearing inside it, so as to recycle the motor rotor shaft or bearing, and after disassembly, they can be classified for convenient subsequent classified recycling treatment.

[0003] Traditional motor rotor disassembly is carried out by manually using a hammer to strike, etc. This method is not only time-consuming and laborious during disassembly, but also prone to damage the bearing on the rotor shaft, and damage will cause it to be unable to be recycled.

[0004] Therefore, those skilled in the art have provided a device for disassembling the motor rotor assembly of a vehicle-mounted air-conditioning blower to solve the problems raised in the above background technique. Content of the Utility Model

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a device for disassembling the motor rotor assembly of a vehicle-mounted air-conditioning blower is proposed. The device can perform bottom limit on the bearing on the motor rotor shaft through the fixed hooks at the bottoms of three connecting rods, and then control the bolts inside the three internal thread rings on the extension plate to rotate to fix the bearing with the claw. By rotating and descending the threaded rod inside the threaded sleeve, the rotating shaft of the motor rotor can be pushed out downward, so as to realize the disassembly and separation of the motor rotor and the bearing, which can assist the staff in disassembly, is more time-saving and labor-saving, and can improve the working efficiency of its disassembly.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A device for disassembling the motor rotor assembly of a vehicle-mounted air-conditioning blower, including a control rod and a threaded sleeve. A threaded rod is fixedly arranged at the bottom of the control rod, and the threaded sleeve is threadedly connected with the threaded rod. Three pairs of extension frames are evenly and fixedly arranged around the bottom of the threaded sleeve. A rotating shaft is rotatably arranged in the middle of each pair of extension frames. A connecting rod is fixedly arranged at the bottom of each rotating shaft. A fixed hook is fixedly arranged at the bottom of each connecting rod. An extension plate is obliquely and fixedly arranged at the top of each connecting rod. An internal thread ring is fixedly arranged at the top of each extension plate. A bolt is threadedly connected inside each internal thread ring.

[0008] Through the above technical solution, when fixing the bearing, by controlling the rotation of three bolts, the connecting rod forms a lever around the rotating shaft, and three fixing hooks support and fix the bearing at the bottom. Then, by rotating the threaded rod in cooperation with the threaded sleeve, the threaded rod moves downward to eject the rotor shaft, thus realizing the disassembly of the rotor shaft and the bearing, which can assist the staff in disassembling and greatly improve the work efficiency.

[0009] Further, three first connection blocks are uniformly and fixedly arranged at the bottom of the threaded sleeve, a second connection block is fixedly arranged on the inner side of each connecting rod, a contraction spring is fixedly arranged on the inner side of each second connection block, and the opposite sides of the three contraction springs are respectively fixedly connected to the three first connection blocks;

[0010] Through the above technical solution, each connecting rod is connected to the threaded sleeve through a contraction spring, which can form a traction force to keep the three fixing hooks always close to the center line position of the threaded sleeve, avoiding the situation that the connecting rods spread out when the staff fixes the bearing, and facilitating the operation to fix the bearing.

[0011] Further, a control disc is fixedly arranged on the outer side of each bolt, and anti-slip threads are arranged on the outer side of each control disc;

[0012] Through the above technical solution, rotating the control disc can drive the bolt to rotate, and the anti-slip threads arranged on the outer side are convenient for operation.

[0013] Further, a support sleeve is arranged on the inner side of each bolt, and each support sleeve is made of rubber material;

[0014] Through the above technical solution, the support sleeve can play a role in shock absorption and improve stability.

[0015] Further, a through hole is opened at the bottom of the control rod, and a movable handle is arranged inside the through hole;

[0016] Further, the movable handle is slidably connected to the through hole, and control ball joints are fixedly arranged on both sides of the movable handle;

[0017] Through the above technical solution, the movable handle can slide and adjust inside the through hole, so as to facilitate the adjustment of the force arm length for disassembly.

[0018] Further, a control handle is fixedly arranged on one side of the threaded sleeve, and an anti-slip sleeve is fixedly arranged at one end of the control handle;

[0019] Through the above technical solution, the rotation of the threaded rod and the threaded sleeve can be controlled by the control handle and the movable handle for disassembly.

[0020] Further, anti-slip tooth grooves are adhered to the top of each fixing hook, and a rotor shaft ejection cone is fixedly arranged at the bottom of the threaded rod.

[0021] Through the above technical solution, the anti-slip grooves can increase the friction between the fixing hook and the bearing, thereby improving the stability. The ejection cone can eject the rotor shaft from the top.

[0022] The utility model has the following beneficial effects:

[0023] 1. The device for disassembling the rotor assembly of the vehicle-mounted air-conditioning blower motor proposed by the utility model can limit the bearing on the rotor shaft of the motor from the bottom through the fixing hooks at the bottoms of the three connecting rods. Then, by controlling the rotation of the bolts inside the three internal threaded rings on the extension plate, the claw can fix the bearing. By rotating and descending the threaded rod inside the threaded sleeve, the rotating shaft of the motor rotor can be ejected downward, thereby realizing the disassembly and separation of the motor rotor and the bearing, assisting the staff in disassembling, saving time and effort, and improving the work efficiency of disassembly.

[0024] 2. For the device for disassembling the rotor assembly of the vehicle-mounted air-conditioning blower motor proposed by the utility model, a compression spring is arranged between each connecting rod and the threaded sleeve. The compression spring can form a traction force to keep the fixing hooks at the bottoms of the connecting rods always close to the center line position of the threaded sleeve, avoiding the situation that the connecting rods spread during the process of fixing the bearing when the device is used obliquely, assisting the staff in supporting it, and making it more convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is the right axonometric view of the device for disassembling the rotor assembly of the vehicle-mounted air-conditioning blower motor proposed by the utility model;

[0026] Figure 2 is the left axonometric view of the device for disassembling the rotor assembly of the vehicle-mounted air-conditioning blower motor proposed by the utility model;

[0027] Figure 3 is the bottom axonometric view of the device for disassembling the rotor assembly of the vehicle-mounted air-conditioning blower motor proposed by the utility model;

[0028] Figure 4 is the exploded view of the device for disassembling the rotor assembly of the vehicle-mounted air-conditioning blower motor proposed by the utility model;

[0029] Figure 5 is Figure 3 the enlarged view of part A;

[0030] Figure 6 is Figure 1 the enlarged view of part B.

[0031] Legend:

[0032] 1. Control lever; 2. Threaded rod; 3. Threaded sleeve; 4. Extension bracket; 5. Rotating shaft; 6. Connecting rod; 7. Fixed hook; 8. Anti-slip tooth groove; 9. Control handle; 10. Anti-slip sleeve; 11. Control ball joint; 12. Movable handle; 13. First connecting block; 14. Second connecting block; 15. Compression spring; 16. Rotor shaft ejection cone; 17. Extension plate; 18. Internal thread ring; 19. Bolt; 20. Control panel; 21. Support sleeve; 22. Through hole. Detailed implementation manner

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention. In the description of this application, it should be noted that the terms used here are only for the purpose of describing specific implementation manners, and are not intended to limit the exemplary implementation manners according to this application. For the convenience of description, the sizes of the various parts shown in the drawings are not drawn in actual proportional relationships. Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and devices should be regarded as part of the authorization specification. In all the examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that: Similar reference numerals and letters indicate similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0034] Referring to Figures 1-6 , an embodiment provided by the present invention is as follows:

[0035] Device for disassembling the rotor assembly of an in-vehicle air-conditioning blower motor, comprising a control rod 1 and a threaded sleeve 3. A threaded rod 2 is fixedly arranged at the bottom of the control rod 1. The threaded sleeve 3 is threadedly connected to the threaded rod 2. Three pairs of extension brackets 4 are evenly and fixedly arranged around the bottom of the threaded sleeve 3. A rotating shaft 5 is rotatably arranged in the middle of each pair of extension brackets 4. A connecting rod 6 is fixedly arranged at the bottom of each rotating shaft 5. A fixing hook 7 is fixedly arranged at the bottom of each connecting rod 6. An extension plate 17 is obliquely and fixedly arranged at the top of each connecting rod 6. An internal thread ring 18 is fixedly arranged at the top of each extension plate 17. A bolt 19 is threadedly connected inside each internal thread ring 18. When fixing the bearing, by controlling the rotation of the three bolts 19, the connecting rod 6 forms a lever around the rotating shaft 5, and the three fixing hooks 7 support and fix the bottom of the bearing. Then, by rotating the threaded rod 2 and the threaded sleeve 3 in cooperation, the threaded rod 2 moves downward to push out the rotor shaft, thus realizing the decomposition of the rotor shaft and the bearing, which can assist the staff in disassembling and greatly improve the work efficiency.

[0036] Three first connection blocks 13 are evenly and fixedly arranged at the bottom of the threaded sleeve 3. A second connection block 14 is fixedly arranged inside each connecting rod 6. A contraction spring 15 is fixedly arranged inside each second connection block 14. The opposite sides of the three contraction springs 15 are respectively fixedly connected to the three first connection blocks 13. Each connecting rod 6 is connected to the threaded sleeve 3 through the contraction spring 15, which can form a traction force to keep the three fixing hooks 7 always close to the center line position of the threaded sleeve 3, avoiding the situation that the connecting rod 6 spreads out when the staff fixes the bearing, and facilitating the operation to fix the bearing. A control disc 20 is fixedly arranged outside each bolt 19. Anti-slip threads are arranged on the outside of each control disc 20. By rotating the control disc 20, the control bolt can be driven to rotate, and the anti-slip threads arranged on the outside are convenient for operation. A support sleeve 21 is arranged inside each bolt 19. Each support sleeve 21 is made of rubber material. The support sleeve 21 can play a role in shock absorption and improve stability. A through hole 22 is opened at the bottom of the control rod 1. An activity handle 12 is arranged inside the through hole 22. The activity handle 12 is slidably connected to the through hole 22. Control ball joints 11 are fixedly arranged on both sides of the activity handle 12. The activity handle 12 can slide and adjust inside the through hole 22, so as to facilitate the adjustment of the force arm length for disassembly. A control handle 9 is fixedly arranged on one side of the threaded sleeve 3. An anti-slip sleeve 10 is fixedly arranged at one end of the control handle 9. By using the control handle 9 and the activity handle 12, the threaded rod 2 and the threaded sleeve 3 can be controlled to rotate for disassembly. Anti-slip tooth grooves 8 are adhered to the top of each fixing hook 7. A rotor shaft ejecting cone 16 is fixedly arranged at the bottom of the threaded rod 2. The anti-slip tooth grooves 8 can increase the friction between the fixing hook 7 and the bearing, thus improving stability. The ejecting cone can eject the rotor shaft from the top.

[0037] Working principle: When fixing the bearing, by controlling the rotation of three bolts 19, the connecting rod 6 forms a lever around the rotating shaft 5, and three fixing hooks 7 support and fix the bearing at the bottom. Then, the threaded rod 2 and the threaded sleeve 3 are rotated in cooperation. The threaded rod 2 moves downward to eject the rotor shaft, thus realizing the disassembly of the rotor shaft and the bearing, which can assist the staff in disassembly, greatly improving work efficiency. Moreover, each connecting rod 6 and the threaded sleeve 3 are connected by a compression spring 15, which can form a traction force to keep the three fixing hooks 7 always approaching the center line position of the threaded sleeve 3, avoiding the situation that the connecting rod 6 spreads out when the staff fixes the bearing, and facilitating the operation to fix the bearing.

[0038] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. Device for disassembling the rotor assembly of a vehicle-mounted air-conditioning blower motor, comprising a control rod (1) and a threaded sleeve (3), characterized in that: A threaded rod (2) is fixedly arranged at the bottom of the control rod (1). The threaded sleeve (3) is threadedly connected to the threaded rod (2). Three pairs of extension brackets (4) are evenly and fixedly arranged around the bottom of the threaded sleeve (3). A rotating shaft (5) is rotatably arranged in the middle of each pair of extension brackets (4). A connecting rod (6) is fixedly arranged at the bottom of each rotating shaft (5). A fixed hook (7) is fixedly arranged at the bottom of each connecting rod (6). An extension plate (17) is obliquely and fixedly arranged at the top of each connecting rod (6). An internal thread ring (18) is fixedly arranged at the top of each extension plate (17). A bolt (19) is threadedly connected inside each internal thread ring (18).

2. The device for disassembling the rotor assembly of the vehicle air-conditioning blower motor according to claim 1, characterized in that: Three first connection blocks (13) are evenly and fixedly arranged at the bottom of the threaded sleeve (3). A second connection block (14) is fixedly arranged on the inner side of each connecting rod (6). A compression spring (15) is fixedly arranged on the inner side of each second connection block (14). The opposite sides of the three compression springs (15) are respectively fixedly connected to the three first connection blocks (13).

3. The device for disassembling the rotor assembly of the vehicle air conditioner blower motor according to claim 1, characterized in that: A control disc (20) is fixedly arranged on the outer side of each bolt (19). Anti-slip threads are arranged on the outer side of each control disc (20).

4. The device for disassembling the rotor assembly of the on-vehicle air-conditioning blower motor according to claim 1, wherein: A support sleeve (21) is arranged on the inner side of each bolt (19). Each support sleeve (21) is made of rubber material.

5. The device for disassembling the rotor assembly of an in-vehicle air-conditioning blower motor according to claim 1, characterized in that: A through hole (22) is opened at the bottom of the control rod (1). A movable handle (12) is arranged inside the through hole (22).

6. The device for disassembling the rotor assembly of an in-vehicle air-conditioning blower motor according to claim 5, characterized in that: The movable handle (12) is slidably connected to the through hole (22). Control ball joints (11) are fixedly arranged on both sides of the movable handle (12).

7. The device for disassembling the on-vehicle air-conditioning blower motor rotor assembly according to claim 1, wherein: A control handle (9) is fixedly arranged on one side of the threaded sleeve (3). An anti-slip sleeve (10) is fixedly arranged at one end of the control handle (9).

8. The device for disassembling the rotor assembly of an in-vehicle air-conditioning blower motor according to claim 1, characterized in that: An anti-slip tooth groove (8) is adhered to the top of each fixed hook (7). A rotor shaft ejecting cone (16) is fixedly arranged at the bottom of the threaded rod (2).

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