CN216859627U

CN216859627U - High-precision electric tool mandrel assembly

Info

Publication number: CN216859627U
Application number: CN202122691675.3U
Authority: CN
Inventors: 俞建忠; 孟令军
Original assignee: Zhejiang Juchi Auto Parts Co ltd
Current assignee: Zhejiang Juchi Auto Parts Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-07-01
Anticipated expiration: 2031-11-05

Abstract

The utility model belongs to the technical field of mandrels, and particularly relates to a high-precision electric tool mandrel component which comprises a mandrel main body, wherein a fastener for fixedly mounting a machining component is mounted at one end of the mandrel main body, a shell is fixed on the surface of the mandrel main body, and a connecting block fixedly mounted with a driving component shell is rotatably mounted on the surface of the mandrel main body. According to the utility model, through arranging the shell, the spring, the annular plate, the fixed block, the pressing plate, the vertical rod, the arc transverse plate, the arc vertical plate, the rotating annular plate, the fixed plate and the arc opening, when the mandrel main body needs to be locked, the arc vertical plate is lower than the fixed plate by pressing the pressing plate downwards, then the rotating annular plate is rotated, the arc opening is rotated to be right above the arc vertical plate, the pressing plate is loosened, under the action of the spring, the arc vertical plate is inserted into the arc opening, so that the mandrel main body is fixed with the shell of the driving assembly, the mandrel assembly cannot rotate randomly, and the purpose of locking the mandrel assembly is achieved.

Description

High-precision electric tool mandrel assembly

Technical Field

The utility model relates to the technical field of mandrels, in particular to a high-precision electric tool mandrel component.

Background

The electric tool is a mechanical tool, which uses an electric motor or an electromagnet as power, drives a working head through a transmission mechanism to operate, and is generally made into a handheld type and a movable type.

The machining assembly can be worn seriously after being used for a long time and needs to be replaced, the mandrel can rotate along with the machining assembly during replacement, the mandrel cannot be replaced smoothly, most of mandrels are inconvenient to lock at present, tools such as a wrench need to be used manually to lock the mandrel firstly, and then the machining assembly is replaced, so that the high-precision electric tool mandrel assembly is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a high-precision electric tool mandrel component, which solves the problem that most mandrels are inconvenient to lock at present.

(II) technical scheme

The utility model specifically adopts the following technical scheme for realizing the purpose:

a high-precision electric tool mandrel component comprises a mandrel main body, a fastener for fixedly mounting a machining component is mounted at one end of the mandrel main body, a shell is fixed on the surface of the mandrel main body, a connecting block fixedly mounted with a driving component shell is rotatably mounted on the surface of the mandrel main body, a locking mechanism for locking the mandrel main body on the connecting block is mounted on the shell, and the mandrel main body can be locked by arranging the locking mechanism.

Further, locking mechanical system establishes the spring in the mandrel main part outside including fixing at casing top inner wall and cover, the one end of spring is fixed with the ring board, the surface symmetry of ring board is fixed with four fixed blocks that run through the casing, the one end of fixed block all is fixed with the clamp plate, the bottom of fixed block all is fixed with the montant, the bottom of montant all is fixed with the arc diaphragm, the top of arc diaphragm all is fixed with the arc riser, the top of connecting block is rotated and is installed the rotating ring board, the inner wall symmetry of rotating ring board is fixed with the fixed plate, the arc mouth has all been seted up on the fixed plate, through setting up arc riser and arc mouth, can make the arc riser insert and establish in the arc mouth, makes the mandrel main part not rotate.

Furthermore, four strip-shaped openings matched with the fixing blocks are symmetrically formed in the shell, so that the fixing blocks can slide in the strip-shaped openings.

Furthermore, the outer wall of the rotating ring plate is provided with anti-skid grains, so that an anti-skid effect can be achieved.

Furthermore, an arc groove is formed in the top of the connecting block, and two arc blocks which slide in the arc groove are fixed at the bottom of the rotating ring plate, so that the rotating ring plate can rotate on the connecting block.

(III) advantageous effects

Compared with the prior art, the utility model provides a high-precision electric tool mandrel component which has the following beneficial effects:

according to the utility model, through arranging the shell, the spring, the annular plate, the fixed block, the pressing plate, the vertical rod, the arc-shaped transverse plate, the arc-shaped vertical plate, the rotating annular plate, the fixed plate and the arc-shaped opening, when the mandrel main body needs to be locked, the arc-shaped vertical plate is lower than the fixed plate by pressing the pressing plate downwards, then the rotating annular plate is rotated, the arc-shaped opening is rotated to be right above the arc-shaped vertical plate, the pressing plate is loosened, the arc-shaped vertical plate is inserted into the arc-shaped opening under the action of the spring, so that the mandrel main body is fixed with the shell of the driving assembly, the mandrel assembly cannot rotate randomly, and the purpose of locking the mandrel assembly is achieved.

Drawings

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

FIG. 2 is a schematic view of the locking mechanism of the present invention;

FIG. 3 is a schematic diagram of a rotating ring plate structure according to the present invention.

In the figure: 1. a mandrel body; 2. a fastener; 3. a housing; 4. connecting blocks; 5. a locking mechanism; 501. a spring; 502. a circular ring plate; 503. a fixed block; 504. pressing a plate; 505. a vertical rod; 506. an arc-shaped transverse plate; 507. an arc-shaped vertical plate; 508. rotating the ring plate; 509. a fixing plate; 510. an arc-shaped opening; 6. a strip-shaped opening; 7. an arc groove; 8. an arc-shaped block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

As shown in fig. 1 to 3, a high-precision electric tool spindle assembly according to an embodiment of the present invention includes a spindle main body 1, a fastening member 2 for fixedly mounting a machining assembly is mounted at one end of the spindle main body 1, a housing 3 is fixed to a surface of the spindle main body 1, a connecting block 4 fixedly mounted to a housing of a driving assembly is rotatably mounted to a surface of the spindle main body 1, and a locking mechanism 5 for locking the spindle main body 1 to the connecting block 4 is mounted to the housing 3.

As shown in fig. 1 and fig. 2, in some embodiments, the locking mechanism 5 includes a spring 501 fixed on the inner wall of the top of the housing 3 and sleeved on the outer side of the mandrel body 1, a circular ring plate 502 is fixed at one end of the spring 501, four fixing blocks 503 penetrating through the housing 3 are symmetrically fixed on the surface of the circular ring plate 502, a pressing plate 504 is fixed at one end of each fixing block 503, vertical rods 505 are fixed at the bottom of each fixing block 503, arc transverse plates 506 are fixed at the bottom ends of the vertical rods 505, arc vertical plates 507 are fixed at the top of the arc transverse plates 506, a rotating ring plate 508 is rotatably installed at the top of the connecting block 4, fixing plates 509 are symmetrically fixed on the inner wall of the rotating ring plate 508, arc openings 510 are respectively formed on the fixing plates 509, when the mandrel body 1 needs to be locked, any pressing plate 504 is pressed, the pressing plate 504 drives the circular ring plate 502, the fixing blocks 503 and the vertical rods 505 to move downwards, the arc transverse plates 506 are driven by the vertical rods 505, the arc transverse plate 506 drives the arc vertical plate 507 to move to the lower portion of the fixing plate 509, the rotating ring plate 508 is rotated, the arc opening 510 is rotated to the position right above the arc vertical plate 507, the pressing plate 504 is loosened, the arc vertical plate 507 is inserted into the arc opening 510 under the action of the spring 501, locking is completed, and the spindle body 1 cannot rotate.

As shown in fig. 1 and 2, in some embodiments, four strip-shaped openings 6 adapted to the fixing block 503 are symmetrically formed in the housing 3, and the strip-shaped openings 6 can limit the movement of the fixing block 503.

As shown in fig. 1, in some embodiments, the outer wall of the rotating ring plate 508 is formed with anti-slip lines, and the anti-slip lines can prevent slipping when the rotating ring plate 508 is rotated.

As shown in fig. 3, in some embodiments, the top of the connecting block 4 is provided with an arc groove 7, the bottom of the rotating ring plate 508 is fixed with two arc blocks 8 sliding in the arc groove 7, and the rotating ring plate 508 can play a role in limiting in the rotating process by arranging the arc groove 7 and the arc blocks 8.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high precision power tool spindle assembly comprising a spindle body (1), characterized in that: the mandrel is characterized in that a fastener (2) for fixedly mounting a machining assembly is mounted at one end of the mandrel main body (1), a shell (3) is fixed on the surface of the mandrel main body (1), a connecting block (4) fixedly mounted with a driving assembly shell is rotatably mounted on the surface of the mandrel main body (1), and a locking mechanism (5) for locking the mandrel main body (1) on the connecting block (4) is mounted on the shell (3).

2. A high precision power tool spindle assembly according to claim 1, wherein: locking mechanical system (5) establish spring (501) in the mandrel main part (1) outside including fixing at casing (3) top inner wall and cover, the one end of spring (501) is fixed with ring board (502), the surface symmetry of ring board (502) is fixed with four fixed blocks (503) that run through casing (3), the one end of fixed block (503) all is fixed with clamp plate (504), the bottom of fixed block (503) all is fixed with montant (505), the bottom of montant (505) all is fixed with arc diaphragm (506), the top of arc diaphragm (506) all is fixed with arc riser (507), the top of connecting block (4) is rotated and is installed and is rotated ring board (508), the inner wall symmetry of rotating ring board (508) is fixed with fixed plate (509), arc mouth (510) have all been seted up on fixed plate (509).

3. A high precision power tool spindle assembly according to claim 2, wherein: four strip-shaped openings (6) matched with the fixing blocks (503) are symmetrically formed in the shell (3).

4. A high precision power tool spindle assembly according to claim 2, wherein: the outer wall of the rotating ring plate (508) is provided with anti-skid grains.

5. A high precision power tool spindle assembly according to claim 2, wherein: the top of the connecting block (4) is provided with an arc groove (7), and the bottom of the rotating ring plate (508) is fixed with two arc blocks (8) sliding in the arc groove (7).