CN212343529U

CN212343529U - Sectional embedded type motor water drainage device

Info

Publication number: CN212343529U
Application number: CN202020704967.9U
Authority: CN
Inventors: 赵中学; 王凤暖; 李豪杰
Original assignee: Hebei Electric Motor Co ltd
Current assignee: Hebei Electric Motor Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-01-12
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a sectional embedded motor water drainage device, which comprises a positioning chassis, a sealing block, a supporting sheet and a machine body; a drain hole is formed in the machine body; the positioning chassis is fixedly connected with a sealing block; the sealing block can seal the drain hole and is fixedly connected with the supporting section upwards; the support section is fixedly connected with a support sheet group upwards; the support sheet group is formed by stacking and fixing a plurality of support sheets; each supporting sheet is in a strip plate shape, and the two sides of each supporting sheet are arc-shaped and matched with the inner wall of the drain hole; and an included angle is formed between the adjacent supporting sheets. The utility model is not only simple in structure, the drainage is effectual to the leakproofness is strong, application scope is wide.

Description

Sectional embedded type motor water drainage device

Technical Field

The utility model relates to a motor sluicing device, especially a segmentation embedded motor sluicing device.

Background

The environment that the motor used varies greatly, the motor that works in humid environment, the breathing effect that the start-stop of operating condition brought can bring external humid air into the inner chamber of motor. The moist air produces condensed water after cooling, and the condensed water is gathered to the bottommost part along the inner cavity wall of the motor under the action of gravity. In order to prevent the condensed water from gathering for a long time and reduce the adverse effect of the electric clearance and creepage distance between the winding and the exposed charged part to the ground on the motor, a drain hole is arranged at the lowest part of the inner cavity. At present, a water draining device commonly used in the motor industry is a bolt with a through hole and is generally made of metal. However, due to the limitation of the previous processing technology (the diameter of the drill), the size of the hole in the bolt is generally large, and although the requirements of IP3X and IP4X motors can be met, the IP5X protection grade is too high, and when the motor drains water, the water drainage device can prevent solids with the diameter larger than 1mm from entering the shell, so that the bolt with the structure cannot be used satisfactorily. Moreover, the structural bolt is only used in a communication mode, has limitation in use environment and is not beneficial to popularization. In order to facilitate practicality, corresponding improvement is made in reality, the improved water draining device comprises a connecting part and an outer fastening part, threaded connection is changed into buckle connection, although the processing mode is simplified, the water draining device is convenient to be connected with the water draining hole, the water draining path is of an integrally-communicated hole structure, and the protection effect is not ideal.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a simple structure, excellent in protective effect's segmentation embedded motor sluicing device.

In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a sectional embedded type motor water drainage device comprises a positioning chassis, a sealing block, a supporting sheet and a machine body; a drain hole is formed in the machine body; the positioning chassis is fixedly connected with a sealing block; the sealing block can seal the drain hole and is fixedly connected with the supporting section upwards; the support section is fixedly connected with a support sheet group upwards; the support sheet group is formed by stacking and fixing a plurality of support sheets; each supporting sheet is in a strip plate shape, and the two sides of each supporting sheet are arc-shaped and matched with the inner wall of the drain hole; and an included angle is formed between the adjacent supporting sheets.

In the above sectional embedded type motor water drainage device, the included angle between the adjacent support sheets is 90 °.

In the sectional embedded motor water drainage device, the supporting sheet is in clearance fit or transition fit with the water drainage hole.

According to the sectional embedded type motor water drainage device, the sealing block is of a circular truncated cone structure, the upper end face of the sealing block is in transition fit with the water drainage hole, and the lower end face of the sealing block is in interference fit with the water drainage hole.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the utility model realizes double cutting fixation with the drain hole by arranging the sealing block and the support sheet which can be respectively supported in the drain hole, the support is stable, and the sealing effect is good; and a larger drainage path is formed between the middle position of the supporting sheet and the drainage hole, so that the drainage performance is optimized. The utility model is not only simple in structure, the drainage is effectual to the leakproofness is strong, application scope is wide.

The utility model adopts the vertically staggered bidirectional supporting sheet structure, the maximum diameter of the straight-through part is phi 0.9mm, and the standard requirement of IP5X protection grade can be met; the protruding blocks are further arranged to increase the deformation effect of the two ends of the supporting sheet, and cuttage and disassembly are facilitated. The utility model discloses dismantle the simple installation, the practicality is high.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the assembly structure of the present invention;

fig. 3 is a schematic structural view of the support sheet.

The reference numbers in the figures are: 1-positioning chassis, 2-sealing block, 3-supporting sheet, 4-frame, 5-supporting section, 6-arc and 7-protruding block.

Detailed Description

Referring to fig. 1 and 3, the sectional embedded motor drainage device comprises a positioning chassis 1, a sealing block 2, a supporting sheet 3 and a machine body 4. The machine body 4 is provided with a drain hole. The positioning chassis 1 is fixedly connected with a sealing block 2; the sealing block 2 is in a circular truncated cone structure, the upper end face of the sealing block is in transition fit with the drain hole, and the lower end face of the sealing block is in interference fit with the drain hole, so that the sealing block can be used for sealing the drain hole; the sealing block 2 is fixedly connected with a supporting section 5 upwards. The support section 5 is fixedly connected with a support sheet group upwards; the supporting sheet group is formed by vertically stacking and fixing a plurality of supporting sheets 3 which are horizontally arranged. Each support sheet 3 is in a strip plate shape with the same size, and the two sides of each support sheet are arc-shaped 6 matched with the inner wall of the drain hole, so that transition fit or clearance fit with the drain hole is realized. An included angle is formed between the adjacent supporting sheets 3, and the included angle is preferably 90 degrees. A lug 7 is arranged at the center of the lower part of each supporting sheet 3; the lug 7 is downwards fixedly connected with the upper center of the supporting sheet 3 adjacent to the lower part; the supporting sheet 3 at the lowest part is fixedly connected with the supporting section 5 downwards through a lug 7. After the structure is adopted, because the supporting pieces 3 are strip-shaped and the included angle is formed between the adjacent supporting pieces 3, a water drainage waterway is reserved between the supporting piece group and the water drainage hole; because the supporting sheet group is fixedly connected together and inserted into the drainage hole, the stability during water drainage is improved, and the sealing effect is enhanced together with the sealing block 2, so that the requirement of IP5X protection grade is met.

The beneficial effects of the sectional embedded type motor water drainage device are further described by combining three stages of installation, drainage and unloading.

Referring to fig. 1, 2 and 3, in the installation stage of the sectional embedded motor drainage device, the positioning chassis 1 is manually taken, the support sheet 3 group is upwards placed below the drainage hole, and the support sheet 3 and the sealing block 2 are inserted into the drainage hole by screwing. At the moment, the circular truncated cone sealing block 2 is tightly inserted into the drainage hole, and the plurality of supporting pieces 3 positioned above the circular truncated cone sealing block 2 are also tightly inserted into the drainage hole, so that the double supporting effect is realized, and the circular truncated cone sealing block has the characteristics of stable supporting effect and strong sealing property. In the drainage stage of the sectional embedded motor drainage device, the positioning chassis 1 is manually taken and screwed outwards, and the circular truncated cone sealing block 2 is pulled out from the drainage hole. At the moment, the arc-shaped parts 6 of the plurality of supporting pieces 3 are supported in the drain holes, so that the positioning effect is achieved; the condensed water in the motor is discharged through a drainage path formed by the plurality of support pieces 3 in the drainage hole. After the condensed water is discharged, the positioning disc 1 is manually screwed inwards to reset the water draining device. In the unloading stage of the sectional embedded type motor water draining device, the positioning disc 1 is manually screwed outwards, and the sealing block 2 and the supporting sheet 3 are pulled out, so that the damaged water draining device can be replaced or maintained.

Claims

1. The utility model provides a segmentation embedded motor sluicing device which characterized in that: comprises a positioning chassis (1), a sealing block (2), a supporting sheet (3) and a machine body (4); a drain hole is formed in the machine body (4); a sealing block (2) is fixedly connected to the positioning chassis (1); the sealing block (2) can seal the drain hole and is fixedly connected with a support section (5) upwards; the supporting section (5) is fixedly connected with a supporting sheet group upwards; the supporting sheet group is formed by stacking and fixing a plurality of supporting sheets (3); each supporting sheet (3) is in a strip plate shape, and the two sides of each supporting sheet are in arc shapes matched with the inner wall of the drain hole; an included angle is arranged between the adjacent supporting sheets (3).

2. The sectional embedded type motor water drainage device according to claim 1, wherein: the included angle between the adjacent supporting sheets (3) is 90 degrees.

3. The sectional embedded type motor water drainage device according to claim 1, wherein: the supporting plate (3) is in clearance fit or transition fit with the drainage hole.

4. The sectional embedded type motor drain device according to any one of claims 1 to 3, wherein: the sealing block (2) is of a circular truncated cone structure, the upper end face of the sealing block is in transition fit with the drain hole, and the lower end face of the sealing block is in interference fit with the drain hole.