CN211351914U

CN211351914U - Anti-falling high-torque electric tool motor bearing

Info

Publication number: CN211351914U
Application number: CN202020436780.5U
Authority: CN
Inventors: 李志波
Original assignee: Ningbo Yonghui Bearing Co ltd
Current assignee: Ningbo Yonghui Bearing Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-08-25
Anticipated expiration: 2030-03-30

Abstract

The utility model relates to the technical field of bearings, especially, the utility model discloses an anticreep falls high torsion's electric tool motor bearing, including inner circle, outer lane, ball and holder, it is connected with the ball to rotate between inner circle and the outer lane, rely on between the ball the holder is connected, just the holder is located the inner circle with between the outer lane, inner circle internally mounted has the reinforcement subassembly, outer lane inside wall both sides and inner circle lateral wall both sides all are equipped with dustproof end cover, it is in including setting up the reinforcement groove on the inner circle inside wall, it is not closed cavity semi-ring structure to reinforce the groove, reinforce inslot sliding connection have with reinforce the reinforcing rand that the groove matches. The utility model provides an electric tool motor bearing of high torsion that anticreep falls can solve the problem that the motor bearing drops, when strengthening bearing and motor and being connected, can improve the condition that the shield drops again.

Description

Anti-falling high-torque electric tool motor bearing

Technical Field

The utility model relates to a bearing technical field especially relates to an electric tool motor bearing of anticreep high torsion that falls.

Background

The motor bearing is named as a motor bearing or a motor bearing and is a special bearing specially applied to a motor or a motor, and the bearing used by the motor is a part for supporting a shaft, can guide the rotation of the shaft and can also bear an idle part on the shaft.

After motor bearing live time had been long, received the restriction influence of various factors, probably taken place to drop, to this problem, the utility model provides an anticreep falls high torsion's electric tool motor bearing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that an electric tool motor bearing of high torsion that anticreep falls is provided, can solve the problem that the motor bearing drops, when strengthening bearing and motor and being connected, can improve the condition that the shield drops again.

The utility model provides a technical scheme that above-mentioned technical problem adopted is: the utility model provides an electric tool motor bearing of high torsion that anticreep falls, includes inner circle, outer lane, ball and holder, it is connected with the ball to rotate between inner circle and the outer lane, rely on between the ball the holder is connected, just the holder is located the inner circle with between the periphery, inner circle internally mounted has the reinforcement subassembly, outer lane inside wall both sides and inner circle lateral wall both sides all are equipped with dustproof end cover.

The reinforcing assembly comprises a reinforcing groove arranged on the inner side wall of the inner ring, the reinforcing groove is of an unclosed hollow semi-ring structure, a reinforcing clamping ring matched with the reinforcing groove is connected in the reinforcing groove in a sliding mode, one end of the reinforcing clamping ring is fixedly connected with the reinforcing groove, and an adjusting member is arranged between the other end of the reinforcing clamping ring and the reinforcing groove.

The adjusting member is including establishing the spacing groove of reinforcement rand tail end, the spacing inslot is connected with the regulation pole through sliding fit's mode, adjust the pole bottom with the reinforcement rand is connected, be equipped with the locating part in the regulation pole.

As a preferred technical scheme of the utility model, the locating part is including seting up adjust the regulation hole of pole, the regulation hole divide into hole and lower hole, the hole go up with lower hole intercommunication, there is the regulating block in the hole through sliding fit's mode symmetric connection, the regulating block lower extreme is connected with the stopper.

As an optimal technical scheme of the utility model, the stopper is located downthehole, and with downthehole sliding connection, be connected with spacing spring between the regulating block.

As an optimal technical scheme of the utility model, the spacing groove design is gear column structure, the stopper with the spacing groove phase-match.

As a preferred technical scheme of the utility model, the dustproof end cover is close to the first joint piece of L type is installed to the inner circle position, the dustproof end cover is close to the second joint piece is installed to the outer lane position.

As a preferred technical scheme of the utility model, the inner circle lateral wall is close to first joint piece position is equipped with first joint groove, outer lane both sides terminal surface is close to second joint piece position is equipped with second joint groove.

As an optimal technical scheme of the utility model, first joint groove with first joint piece phase-match, second joint groove with second joint piece phase-match.

Compared with the prior art, the technical scheme of the utility model have following advantage:

1. the utility model provides a pair of high torsion's of anticreep falls electric tool motor bearing, this bearing are equipped with the reinforcement subassembly and can assemble the bearing on the motor shaft in a flexible way, when needs are consolidated, only need through adjusting member can convenient and fast ground will strengthen being connected between this bearing and the motor shaft, simultaneously, it improves the shield, improves the condition that the shield drops.

2. The utility model provides a pair of high torsion's of anticreep falls electric tool motor bearing, it is through consolidating mutually supporting of subassembly and regulating member for consolidate the rand and can cramp the motor shaft as required, prevent that the bearing from droing, can remove as required again and step up the state, the bearing of being convenient for takes out.

3. The utility model provides a pair of electric tool motor bearing of anticreep high torsion that falls, it is provided with dustproof end cover, and dustproof end cover joint piece cooperatees with the joint groove, improves the condition that the shield drops to a certain extent.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

fig. 3 is an enlarged view of a portion of fig. 2 according to the present invention;

fig. 4 is a schematic enlarged view of a portion of fig. 2 in the direction of B according to the present invention;

fig. 5 is a schematic sectional view of the structure of the adjusting rod and the limiting member of the present invention.

Wherein: 1 inner ring, 2 outer rings, 3 balls, 4 retainers, 5 reinforcing components, 51 reinforcing grooves, 52 reinforcing clamping rings, 53 adjusting members, 531 limiting grooves, 532 adjusting rods, 533 limiting parts, 534 adjusting holes, 535 adjusting blocks, 536 limiting blocks, 537 limiting springs, 6 dust-proof end covers, 61 first clamping blocks, 610 first clamping grooves, 62 second clamping blocks and 620 second clamping grooves.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1 to 3, the technical solution provided by the present invention is: the utility model provides an anti-falling high-torsion electric tool motor bearing, includes inner circle 1, outer lane 2, ball 3 and holder 4, rotates between inner circle 1 and the outer lane 2 and is connected with ball 3, relies on holder 4 to connect between the ball 3, and holder 4 is located between inner circle 1 and the

outer lane

2, and 1 internally mounted of inner circle has

reinforcement assembly

5, and 2 inside wall both sides of outer lane and 1 outside wall both sides of inner circle all are equipped with dust cap 6.

The reinforcing component 5 comprises a reinforcing groove 51 arranged on the inner side wall of the inner ring 1, the reinforcing groove 51 is of an unclosed hollow semi-ring structure, the cross section of the reinforcing groove 51 is of a T-shaped structure, a reinforcing clamping ring 52 matched with the reinforcing groove 51 is connected in the reinforcing groove 51 in a sliding mode, the reinforcing clamping ring 52 can not fall off easily due to the fact that the T-shaped structure of the reinforcing groove 51 is matched with the reinforcing clamping ring 52, one end of the reinforcing clamping ring 52 is fixedly connected with the reinforcing groove 51, and an adjusting member 53 is arranged between the other end of the reinforcing clamping ring 52 and the reinforcing.

In specific operation, after the motor bearing is installed on the motor shaft, one end of the reinforcing collar 52 containing the adjusting member 53 is pulled to the tail end of the reinforcing groove 51, and the reinforcing collar 52 is tightly clamped on the motor shaft in the reinforcing groove 51 through the adjusting member 53.

Referring to fig. 5, the adjusting member 53 includes a limiting groove 531 at the tail end of the reinforcing collar 52, an adjusting rod 532 is connected to the limiting groove 531 in a sliding fit manner, the bottom end of the adjusting rod 532 is connected to the reinforcing collar 52, the other end of the adjusting rod 532 extends out of the inner ring 1, so that the adjusting rod 532 can be rotated by using a tool such as a pliers, and a limiting member 533 is disposed in the adjusting rod 532.

The limiting member 533 includes an adjusting hole 534 formed in the adjusting rod 532, the adjusting hole 534 is divided into an upper hole and a lower hole, the upper hole is communicated with the lower hole, the upper hole is symmetrically connected with an adjusting block 535 through a sliding fit, and the lower end of the adjusting block 535 is connected with a limiting member 536.

Limiting block 536 is located the lower hole, and with lower hole sliding connection, is connected with limiting spring 537 between regulating block 535.

Spacing groove 531 designs for gear column structure, stopper 536 and spacing groove 531 phase-match, and gear column structure is favorable to stopper 536 and spacing groove 531 joint better.

When the motor shaft tightening device works specifically, tools such as pliers are used for clamping two sides of the adjusting rod 532 containing the adjusting block 535, the adjusting block 535 extrudes the limiting spring 537, the limiting spring 537 extrudes inwards, and simultaneously drives the limiting block 536 to leave the limiting groove 531 and move towards the inside of the adjusting rod 532, when the limiting block 536 retracts into a proper position in the adjusting rod 532, the limiting block 536 completely separates from the limiting groove 531, at the moment, the pliers are used for clamping the adjusting rod 532 and rotates along the limiting groove 531, so as to drive the reinforcing collar 52 to rotate in the reinforcing groove 51, because the other end of the reinforcing collar 52 is fixedly connected with the reinforcing groove 51, the diameter of the reinforcing collar 52 is gradually reduced in the process of tightening and rotating the reinforcing collar 52 towards the tail end of the reinforcing groove 51, thereby achieving the purpose of enabling the motor bearing to tighten the motor shaft, when the reinforcing collar 52 rotates to a proper position, realize spacing purpose, whole process operation is simple and convenient, can prevent effectively that the phenomenon that the motor bearing from coming off from appearing.

Referring to fig. 4, a first clamping block 61 of an L shape is installed at a position, close to the inner ring 1, of the dust-proof end cover 6, a second clamping block 62 is installed at a position, close to the outer ring 2, of the dust-proof end cover 6, and the first clamping block 61 and the second clamping block 62 are made of rubber materials.

The position that the outer side wall of the inner ring 1 is close to the first clamping block 61 is provided with a first clamping groove 610, and the position that the end surfaces of the two sides of the outer ring 2 are close to the second clamping block 62 is provided with a second clamping groove 620.

The first catching groove 610 is matched with the first catching block 61, and the second catching groove 620 is matched with the second catching block 62.

When the dustproof end cover is in specific work, the first clamping block 61 at the upper end of the dustproof end cover 6 can be clamped with the first clamping groove 610, the first clamping groove 610 is arranged on the outer side wall of the inner ring 1 and is connected with the L-shaped structure of the first clamping block 61, the dustproof end cover 6 can be prevented from falling in the circumferential direction, the second clamping groove 620 is arranged on the end faces of the two sides of the outer ring 2 and is clamped with the second clamping groove 620, and the dustproof end cover can be prevented from falling in the axial direction.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an electric tool motor bearing of high torsion that anticreep falls, includes inner circle (1), outer lane (2), ball (3) and holder (4), it is connected with ball (3) to rotate between inner circle (1) and outer lane (2), rely on between ball (3) holder (4) are connected, just holder (4) are located inner circle (1) with between outer lane (2), its characterized in that: a reinforcing component (5) is arranged in the inner ring (1), and dust-proof end covers (6) are arranged on two sides of the inner side wall of the outer ring (2) and two sides of the outer side wall of the inner ring (1);

the reinforcing component (5) comprises a reinforcing groove (51) arranged on the inner side wall of the inner ring (1), the reinforcing groove (51) is of an unclosed hollow semi-ring structure, a reinforcing clamping ring (52) matched with the reinforcing groove (51) is connected in the reinforcing groove (51) in a sliding mode, one end of the reinforcing clamping ring (52) is fixedly connected with the reinforcing groove (51), and an adjusting member (53) is arranged between the other end of the reinforcing clamping ring (52) and the reinforcing groove (51);

adjusting member (53) are including establishing spacing groove (531) of reinforcing rand (52) tail end, be connected with regulation pole (532) through sliding fit's mode in spacing groove (531), adjust pole (532) bottom with reinforcing rand (52) are connected, be equipped with locating part (533) in adjusting pole (532).

2. An anti-drop high torque power tool motor bearing as claimed in claim 1, wherein: the limiting part (533) comprises an adjusting hole (534) formed in the adjusting rod (532), the adjusting hole (534) is divided into an upper hole and a lower hole, the upper hole is communicated with the lower hole, adjusting blocks (535) are symmetrically connected to the upper hole in a sliding fit mode, and the lower end of each adjusting block (535) is connected with a limiting block (536).

3. An anti-drop high torque power tool motor bearing as claimed in claim 2, wherein: stopper (536) are located downthehole, and with down hole sliding connection, be connected with spacing spring (537) between regulating block (535).

4. An anti-drop high torque power tool motor bearing as claimed in claim 2, wherein: the limiting groove (531) is designed to be of a saw-toothed structure, and the limiting block (536) is matched with the limiting groove (531).

5. An anti-drop high torque power tool motor bearing as claimed in claim 1, wherein: dustproof end cover (6) are close to inner circle (1) position is installed the first joint piece (61) of L type, dustproof end cover (6) are close to outer lane (2) position is installed second joint piece (62).

6. An anti-drop high torque power tool motor bearing as claimed in claim 5, wherein: inner circle (1) lateral wall is close to first joint piece (61) position is equipped with first joint groove (610), outer lane (2) both sides terminal surface is close to second joint piece (62) position is equipped with second joint groove (620).

7. An anti-drop high torque power tool motor bearing as claimed in claim 6, wherein: the first clamping groove (610) is matched with the first clamping block (61), and the second clamping groove (620) is matched with the second clamping block (62).