CN218633484U

CN218633484U - Rotor end plate with auxiliary heat dissipation mechanism

Info

Publication number: CN218633484U
Application number: CN202223114062.4U
Authority: CN
Inventors: 李小东
Original assignee: Zhongshan Jingshang Metal Products Co ltd
Current assignee: Zhongshan Jingshang Metal Products Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-14
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a rotor end plate with supplementary heat dissipation mechanism, including end plate body, pivot hole and slot, end plate body includes the pivot hole at top, the downthehole surface of pivot has been laid and has been used for supplementary radiating arc conducting strip, the through-hole that is used for the circulation of air is offered on end plate body's surface, screw fixedly connected with blade is passed through at end plate body's top. The utility model relates to a rotor end plate with supplementary heat dissipation mechanism, simple structure, supplementary radiating effect is good, and is more practical reliable, is fit for being extensively promoted and used.

Description

Rotor end plate with auxiliary heat dissipation mechanism

Technical Field

The utility model relates to a new energy automobile accessory technical field, in particular to rotor end plate with supplementary heat dissipation mechanism.

Background

The motor rotor is used as an important component of a motor power assembly, the strength of a magnetic field effect generated after the rotor is electrified directly influences the power of the motor, the rotor end plates are fixed at two ends of the rotor and used for fixing magnetic steel in a rotor iron core to prevent axial movement, metal aluminum is used as a material, the purpose is to prevent magnetic conduction, a new energy automobile develops well as fire, the core of the electric automobile is commonly called three electric systems, namely a battery, an electric control system and a motor, and the driving motor directly influences the power performance and the cruising ability of the electric automobile.

Publication No.: CN214429340U discloses a rotor end plate, which comprises an end plate body made of plastic, wherein the end plate body comprises a central pressing plate, and a rotating shaft through hole is formed in the middle of the central pressing plate; a plurality of axial branches are distributed around the periphery of the central pressing plate; the interior of the end plate body is uniformly doped with magnetic conductive iron powder.

Currently, the existing rotor end plates have the following disadvantages when in use: rotor end plate reaches supplementary radiating effect through blade and trompil in the use, but the downthehole supplementary heat dissipation mechanism that lacks of pivot, and the air current of circulation is difficult to get into and takes out the heat that pivot work produced, easily accelerates the wearing and tearing of pivot to the downthehole, influences life. To this end, we propose a rotor end plate with an auxiliary heat dissipation mechanism.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a rotor end plate with an auxiliary heat dissipation mechanism, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a rotor end plate with supplementary heat dissipation mechanism, includes end plate body, pivot hole and slot, the end plate body includes the pivot hole at top, the downthehole surface of pivot has been laid and has been used for supplementary radiating arc conducting strip, the through-hole that is used for the circulation of air is offered on the surface of end plate body, screw fixedly connected with blade is passed through at the top of end plate body.

Furthermore, slots are formed in the periphery of the rotating shaft hole in the end plate body, guide rods are arranged on the outer sides of the arc-shaped heat conducting fins, the slots are connected with the guide rods in a sleeved mode, the guide rods are connected with the arc-shaped heat conducting fins in a sliding mode relative to the slots, and the guide rods are connected with the arc-shaped heat conducting fins through screws.

Furthermore, a diversion trench is arranged on one side of the end plate body, which is positioned in the through hole, one end of the diversion trench is communicated with the through hole, and the other end of the diversion trench is communicated with the slot.

Furthermore, a spring is arranged on the other side, located on the guide rod, in the slot, reinforcing ribs are arranged in the arc-shaped heat conducting fins, and the slot is connected with the spring through a clamping groove.

Furthermore, the surface of end plate body top and bottom has all seted up the scavenge port, and the scavenge port communicates with the slot.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through pivot hole, arc conducting strip and the through-hole that sets up, can utilize arc conducting strip and pivot to contact heat conduction at the in-process that uses rotor end plate work, the air current that rethread blade and scavenge port produced takes away the heat that the pivot produced, and then reaches the improvement to the supplementary radiating effect of rotor end plate, and is more reasonable reliable.

2. Through arc conducting strip, slot, guide bar and the spring that sets up, can also slow down the pivot temperature and rise carrying out pivot pivoted in-process, the extrusion in thermal expansion to the pivot hole, simple structure, low cost is reliable and stable more moreover, and practical value is high, still is favorable to the life of extension rotor end plate.

Drawings

Fig. 1 is a schematic view of the overall structure of a rotor end plate with an auxiliary heat dissipation mechanism of the present invention.

Fig. 2 is a schematic view of a cross-sectional structure of a rotor end plate with an auxiliary heat dissipation mechanism of the present invention.

Fig. 3 is the schematic view of the sectional structure of the arc-shaped heat-conducting fin of the rotor end plate with the auxiliary heat-dissipating mechanism of the present invention.

In the figure: 1. an end plate body; 2. a rotating shaft hole; 3. an arc-shaped heat conducting fin; 4. a through hole; 5. a slot; 6. a guide bar; 7. a spring; 8. reinforcing ribs; 9. a blade; 10. a diversion trench; 11. and (4) ventilating holes.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

As shown in fig. 1 and 2, a rotor end plate with supplementary heat dissipation mechanism, includes end plate body 1, pivot hole 2 and slot 5, end plate body 1 includes pivot hole 2 at top, the surface in the pivot hole 2 has been laid and has been used for supplementary radiating arc conducting strip 3, through-hole 4 that is used for the circulation of air is seted up on the surface of end plate body 1, screw fixedly connected with blade 9 is passed through at the top of end plate body 1.

The outer surface of the arc-shaped heat conducting fin 3 is connected with a sponge gasket for relieving the thermal expansion of the rotating shaft through gluing.

Wherein, the periphery that is located pivot hole 2 in the end plate body 1 has seted up slot 5, the outside of arc conducting strip 3 is provided with guide bar 6, and slot 5 cup joints and connects guide bar 6.

As shown in the figure in this embodiment, 6 materials of guide bar are aluminium, slide in slot 5 through guide bar 6, can slow down the pivot and be heated the extrusion damage of collision to pivot hole 2, more reasonable practical.

Wherein, one side that is located through-hole 4 in the end plate body 1 is provided with guiding gutter 10, the one end and the through-hole 4 intercommunication of guiding gutter 10, the other end and the slot 5 intercommunication of guiding gutter 10.

In this embodiment, as shown in fig. 2, the flow guide grooves 10 facilitate the airflow formed by the blades 9 to enter the slots 5 through the through holes 4 to take out part of the heat of the rotating shaft.

A spring 7 is arranged on the other side of the slot 5, which is positioned on the guide rod 6, and a reinforcing rib 8 is arranged in the arc-shaped heat-conducting fin 3.

In this embodiment, as shown in fig. 2 and 3, the spring 7 is convenient for pushing the guide rod 6 by elasticity, so that the arc-shaped heat-conducting fin 3 is in contact with the surface of the rotating shaft, the thermal expansion of the rotating shaft can be buffered, and the reinforcing rib 8 is convenient for improving the use strength of the arc-shaped heat-conducting fin 3.

Wherein, the surface of end plate body 1 top and bottom has all seted up the scavenge port 11, and the scavenge port 11 communicates with slot 5.

In this embodiment, as shown in fig. 1, the ventilation holes 11 facilitate the air flow to take heat out of the slot 5.

What need to explain, the utility model relates to a rotor end plate with supplementary heat dissipation mechanism, in operation, the pivot is passed pivot hole 2 and is rotated and begin the operation, elasticity at spring 7 promotes guide bar 6, can make arc conducting strip 3 contact with the pivot surface all the time, derive the heat that it produced to the slot 5 in through guide bar 6, simultaneously through blade 9 and rotor rotation, the air current can assist the heat dissipation through-hole 4, and partial air current passes through guiding gutter 10 and gets into in the slot 5, take partial heat out from the draught hole 11, with the radiating effect who improves the rotor end plate, reliability and high efficiency, and advance through strengthening rib 8 and spring 7, can also greatly reduced pivot thermal expansion to the extrusion of pivot hole 2, moreover, the steam generator is simple in structure, low cost, and be favorable to prolonging the life of end plate body 1, high practical value.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a rotor end plate with supplementary heat dissipation mechanism, includes end plate body (1), pivot hole (2) and slot (5), its characterized in that: the heat dissipation end plate is characterized in that the end plate body (1) comprises a rotating shaft hole (2) at the top, arc-shaped heat conducting fins (3) used for assisting heat dissipation are laid on the surface in the rotating shaft hole (2), through holes (4) used for air circulation are formed in the surface of the end plate body (1), and the top of the end plate body (1) is fixedly connected with blades (9) through screws.

2. The rotor end plate with the auxiliary heat dissipation mechanism of claim 1, wherein: the outer periphery of the rotating shaft hole (2) in the end plate body (1) is provided with a slot (5), the outer side of the arc-shaped heat conducting fin (3) is provided with a guide rod (6), and the slot (5) is connected with the guide rod (6) in a sleeved mode.

3. The rotor end plate with the auxiliary heat dissipation mechanism of claim 1, wherein: a flow guide groove (10) is formed in one side, located in the through hole (4), of the end plate body (1), one end of the flow guide groove (10) is communicated with the through hole (4), and the other end of the flow guide groove (10) is communicated with the inserting groove (5).

4. The rotor end plate with the auxiliary heat dissipation mechanism of claim 1, wherein: a spring (7) is arranged on the other side of the guide rod (6) in the slot (5), and a reinforcing rib (8) is arranged in the arc-shaped heat-conducting fin (3).

5. The rotor end plate with the auxiliary heat dissipation mechanism of claim 1, wherein: breather hole (11) have all been seted up on end plate body (1) top and the surface of bottom, and breather hole (11) and slot (5) intercommunication.