CN209134188U

CN209134188U - A kind of lightweight high-intensity electric machine casing

Info

Publication number: CN209134188U
Application number: CN201822035868.1U
Authority: CN
Inventors: 李超
Original assignee: Ikd Co Ltd
Current assignee: Ikd Co Ltd
Priority date: 2018-12-05
Filing date: 2018-12-05
Publication date: 2019-07-19
Anticipated expiration: 2028-12-05

Abstract

The utility model relates to electric machine casing manufacturing fields, in particular to a kind of lightweight high-intensity electric machine casing, including front motor shell and rear motor casing, the front end of front motor shell offers the loss of weight concave surface being recessed towards its internal direction, it is equipped with outside loss of weight concave surface coaxial with front motor shell, and to the bracket for installing rotor bearing, the outer wall of bracket is fixedly connected by multiple reinforcing ribs with the lateral surface of loss of weight concave surface, motor casing includes barrel shell and the end housing hot-forming with barrel shell one end afterwards, end housing is annular in shape, and its inner ring is integrally formed the loss of weight frame being equipped with close to intersecting parallels, the center of loss of weight frame is solid construction, and the axis hole concentric with bracket is offered at center, it is in the boss that is spirally connected of distributed rectangular there are four being set on the inside of loss of weight frame, several loss of weight recesses are offered at the front end outer edge of front motor shell and at the outside of end housing, this is practical Premised on the novel intensity by not reducing motor casing, the weight of motor casing is reduced as far as possible, and then catered to light-weighted trend.

Description

A kind of lightweight high-intensity electric machine casing

Technical field

The utility model relates to electric machine casing manufacturing field, in particular to a kind of lightweight high-intensity electric machine casing.

Background technique

This concept of lightweight originates from motor sport at first, its advantage, can band in fact it can be appreciated that light-weight Next preferably handling, the power of engine output can generate higher acceleration.

Casing body needs to place rotor, shaft, stator winding etc. as motor load bearing component, and places this as far as possible A little components are by external disturbance, therefore shell needs to have higher intensity.General electric machine casing is formed using cast iron process, Although structural strength increases, weight is big, for can inevitably generate inconvenience in use process；And due to lightweight Trend, the design structure of motor casing will also move towards lightweight, but the mitigation of weight should not reduce the intensity of components.

Utility model content

The purpose of this utility model is that in view of the deficiencies of the prior art, providing a kind of lightweight high-intensity electric machine casing

To solve the above problems, the utility model the following technical schemes are provided:

A kind of lightweight high-intensity electric machine casing, including front motor shell and rear motor casing, the front end of front motor shell open up There is the loss of weight concave surface being recessed towards its internal direction, is equipped with and is coaxially disposed with front motor shell and to install outside loss of weight concave surface The outer wall of the bracket of rotor bearing, the bracket is fixedly connected by multiple reinforcing ribs with the lateral surface of the loss of weight concave surface, Motor casing includes barrel shell and the end housing hot-forming with barrel shell one end afterwards, and end housing is annular in shape, and the integrated molding of its inner ring is set There is the loss of weight frame close to intersecting parallels, is solid construction at the center of the loss of weight frame, and offered at center concentric with bracket Axis hole is set on the inside of loss of weight frame there are four the boss that is spirally connected for being in distributed rectangular, at the front end outer edge of front motor shell and end housing Outside at offer several loss of weight recesses.

Further, the front motor shell and rear motor casing are aluminum alloy material casting.

Further, all loss of weight recesses of the end housing position are successively along the circumferentially-spaced distribution of end housing, and also with Six outer ends of loss of weight frame are arranged in a staggered manner one by one.

Further, all loss of weight recesses of front motor shell position successively angularly divide along the circumferential direction of front motor shell Cloth, the bottom wall of all loss of weight recesses is inclined surface setting, and inclined height is by the axle center motor casing facing forward of front motor shell Outer wall direction is gradually lower.

Further, the inner wall of the end housing is set there are six integrally formed reinforcement block, and each reinforcement block is inclined to be set It sets, and also respectively corresponds one end of loss of weight frame, the both ends of each reinforcement block are respectively and in the bottom of loss of weight frame and end housing Wall contradicts connection.

Further, all loss of weight recesses of front motor shell position are integrally formed with front motor shell or pass through machinery Machine-shaping.

Further, all loss of weight recesses of the end housing position are integrally formed with end housing or by being machined into Type.

The utility model has the advantages that a kind of lightweight high-intensity electric machine casing of the utility model, front motor shell are adopted with rear motor casing With aluminum alloy materials, it is therefore intended that aluminum alloy materials have good plasticity, can preferably take into account mechanical property and casting character two The requirement of aspect, while considering deep lightweight, selection uses the loss of weight frame of groined type, it is ensured that the stabilization of machine shaft installation Property be able to guarantee under the premise of, alleviate the weight of rear motor casing end, and by opening up loss of weight concave surface and multiple close In the loss of weight recess of hole countersunk, it is mitigated the edge placement weight of forward and backward motor casing, and before nor affecting on, The normal use of motor casing afterwards reduces motor casing premised on the utility model passes through the intensity for not reducing motor casing as far as possible Weight, and then catered to light-weighted trend.

Detailed description of the invention

Fig. 1 is the schematic perspective view one of front motor shell in the utility model；

Fig. 2 is the schematic perspective view two of front motor shell in the utility model；

Fig. 3 is the schematic perspective view one of rear motor casing in the utility model；

Fig. 4 is the schematic perspective view two of rear motor casing in the utility model；

Fig. 5 is the floor map of rear motor casing in the utility model；

Description of symbols: front motor shell 1, loss of weight concave surface 1a, bracket 1b, reinforcing rib 1c.

Motor casing 2 afterwards, barrel shell 2a, end housing 2b, loss of weight frame 2c, be spirally connected boss 2d, reinforcement block 2e.

Loss of weight recess 3, inclined surface 3a.

Specific embodiment

With reference to the accompanying drawings of the specification and embodiment, specific embodiment of the utility model is described in further detail:

Referring to figs. 1 to a kind of lightweight high-intensity electric machine casing shown in fig. 5, including front motor shell 1 and rear motor casing 2, the front end of front motor shell 1 offers the loss of weight concave surface 1a being recessed towards its internal direction, is equipped with and preceding electricity outside the 1a of loss of weight concave surface The outer wall of the coaxial arrangement of casing 1 and the bracket 1b to install rotor bearing, bracket 1b pass through multiple reinforcing rib 1c It is fixedly connected with the lateral surface of the loss of weight concave surface 1a, rear motor casing 2 includes barrel shell 2a and hot-forming with the one end barrel shell 2a End housing 2b, end housing 2b is annular in shape, and its inner ring be integrally formed be equipped with close to intersecting parallels loss of weight frame 2c, loss of weight frame 2c Center at be solid construction, and offer the axis hole concentric with bracket 1b at center, set that there are four be on the inside of loss of weight frame 2c The boss 2d that is spirally connected of distributed rectangular offers several subtract at the front end outer edge of the front motor shell 1 and outside of end housing 2b Weight recess 3.

The front motor shell 1 and rear motor casing 2 are aluminum alloy material casting；Aluminum alloy materials have good plasticity, It can preferably take into account and be required of both mechanical property and casting character, therefore select to use aluminium alloy as founding materials.

All loss of weight recesses 3 of the position the end housing 2b are successively along the circumferentially-spaced distribution of end housing 2b, and and and loss of weight Six outer ends of frame 2c are arranged in a staggered manner one by one；Loss of weight recess 3 can reduce weight to a certain extent, realize lightweight, and It is not interfering with the conduction vibration power of loss of weight frame 2c with the outer end of the loss of weight frame 2c purpose that is staggered.

All loss of weight recesses 3 of 1 position of front motor shell are successively angularly distributed along the circumferential direction of front motor shell 1, are owned The bottom wall of loss of weight recess 3 is inclined surface 3a setting, and inclined height by front motor shell 1 axle center motor casing 1 facing forward it is outer Wall direction is gradually lower；The bottom wall of loss of weight recess 3 is to be obliquely installed effect and be, closer to motor casing inner wall area It is thick and solid, prevent motor casing inner wall from generating rupture.

The inner wall of the end housing 2b is set there are six integrally formed reinforcement block 2e, and each reinforcement block 2e is inclined to set, And also respectively correspond one end of loss of weight frame 2c, the both ends of each reinforcement block 2e respectively with the bottom of loss of weight frame 2c and end housing 2b Inner wall contradict connection；The effect of end housing 2b is installation and the rotary work for cooperating machine shaft；It is using reinforcement block 2e It is to ensure that loss of weight frame 2c bottom load ability, effectively realizes lightweight using the loss of weight frame 2c of groined type.

All loss of weight recesses 3 of 1 position of front motor shell are integrally formed with front motor shell 1 or by being machined into Type.

All loss of weight recesses 3 of the position the end housing 2b are integrally formed with end housing 2b or by machining moldings.

The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model Any restrictions out, thus it is any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent Variation and modification, in the range of still falling within the technical solution of the utility model.

Claims

1. a kind of lightweight high-intensity electric machine casing, including front motor shell (1) and rear motor casing (2), it is characterised in that: preceding electricity The front end of casing (1) offers the loss of weight concave surface (1a) being recessed towards its internal direction, is equipped with and preceding electricity outside loss of weight concave surface (1a) The outer wall of casing (1) coaxial arrangement and the bracket to install rotor bearing (1b), the bracket (1b) is added by multiple Strengthening tendons (1c) are fixedly connected with the lateral surface of the loss of weight concave surface (1a), and rear motor casing (2) includes barrel shell (2a) and and barrel shell The hot-forming end housing (2b) in the one end (2a), annularly, and its inner ring is integrally formed and is equipped with close to intersecting parallels end housing (2b) Loss of weight frame (2c), be solid construction at the center of the loss of weight frame (2c), and the axis concentric with bracket (1b) is offered at center Hole is set on the inside of loss of weight frame (2c) there are four the boss that is spirally connected (2d) for being in distributed rectangular, at the front end outer edge of front motor shell (1) And several loss of weight recesses (3) are offered at the outside of end housing (2b).

2. a kind of lightweight high-intensity electric machine casing according to claim 1, it is characterised in that: the front motor shell (1) And rear motor casing (2) is aluminum alloy material casting.

3. a kind of lightweight high-intensity electric machine casing according to claim 1, it is characterised in that: end housing (2b) position All loss of weight recesses (3) successively along the circumferentially-spaced distribution of end housing (2b), and also with six outer ends one of loss of weight frame (2c) One is arranged in a staggered manner.

4. a kind of lightweight high-intensity electric machine casing according to claim 1, it is characterised in that: the front motor shell (1) All loss of weight recesses (3) of position are successively angularly distributed along the circumferential direction of front motor shell (1), the bottom wall of all loss of weight recesses (3) Be inclined surface (3a) setting, and inclined height by front motor shell (1) axle center motor casing facing forward (1) outer wall direction gradually It is lower.

5. a kind of lightweight high-intensity electric machine casing according to claim 1, it is characterised in that: the end housing (2b) it is interior Wall is set there are six integrally formed reinforcement block (2e), and each reinforcement block (2e) is inclined to set, and also respectively corresponds loss of weight One end of frame (2c), the both ends of each reinforcement block (2e) are contradicted with the inner wall of the bottom of loss of weight frame (2c) and end housing (2b) respectively Connection.

6. a kind of lightweight high-intensity electric machine casing according to claim 1 or 4, it is characterised in that: the front motor shell (1) all loss of weight recesses (3) of position are integrally formed with front motor shell (1) or by machining moldings.

7. a kind of lightweight high-intensity electric machine casing according to claim 1 or 3, it is characterised in that: the end housing (2b) All loss of weight recesses (3) of position are integrally formed with end housing (2b) or by machining moldings.