CN215720159U - Connect stable eccentric shaft - Google Patents

Abstract

The utility model discloses an eccentric shaft with stable connection, which relates to the field of bearings and comprises a rotating shaft main body, wherein the left end of the rotating shaft main body is connected with a connector, the left end of the connector is provided with a first mounting hole, the outer side of the connector is symmetrically provided with two groups of first fastening grooves, the right end of the rotating shaft main body is connected with a connecting column, the right end of the connecting column is connected with a main shaft, the right end of the main shaft is connected with a turntable, the right side of the turntable is movably provided with a mounting rack, and an auxiliary shaft is arranged on the mounting rack; this connect stable eccentric shaft mounting means is simple, facilitates the use, can accelerate breaking away from of transmission shaft and connector, and convenient the dismantlement can alleviate staff's burden, can replace the countershaft of wheel base difference, and the different occasions of being convenient for use, after the replacement was accomplished, fixes through fastening screw, further installs simple operation, convenient to use to the countershaft through mounting hole two and fastening groove.

Description

Connect stable eccentric shaft

Technical Field

The utility model relates to the field of bearings, in particular to an eccentric shaft with stable connection.

Background

Electric tool mainly divide into metal cutting electric tool, grind electric tool, assembly electric tool and electric tool for the railway, common electric tool has the electric drill, electric grinder, electric spanner, electric screwdriver, the electric hammer, impact electric drill, the concrete vibrator, electric plane etc. many all need use the eccentric shaft among the electric tool, for example, the electric hammer, impact electric drill and electric pick all drive a piston motion through the eccentric shaft, make the piston reciprocal compressed air in the cylinder, make the air be periodic variation in the cylinder, the top that the hammer that hits the drill bit in the air pressure drive cylinder of change, thereby punch fast.

The existing eccentric shaft with stable connection is complex in installation and separation mode, inconvenient to install and disassemble, a large amount of time spent by users is consumed for xu inferior, the working efficiency is affected, meanwhile, the auxiliary shaft with different wheelbases is inconvenient to replace, and the eccentric shaft with stable connection is inconvenient to use in other occasions.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an eccentric shaft with stable connection, which solves the problems that the existing eccentric shaft with stable connection in the background art is complex in installation and separation mode, inconvenient to install and disassemble, consumes a large amount of time of users slowly, influences working efficiency, is inconvenient to replace auxiliary shafts with different shaft distances and is inconvenient to use in other occasions.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a connect stable eccentric shaft, includes the pivot main part, the left end of pivot main part is connected with the connector, mounting hole one has been seted up to the left end of connector, two sets of fastening groove one have been seted up to the outside symmetry of connector, the right-hand member of pivot main part is connected with the spliced pole, the right-hand member of spliced pole is connected with the main shaft, the right-hand member of main shaft is connected with the carousel, the right side movable mounting of carousel has the mounting bracket, be provided with the countershaft on the mounting bracket.

Preferably, the rotating shaft main body is fixedly connected with the connector, a resetting mechanism is arranged in the first mounting hole and comprises a spring, and the right end of the spring is connected with a supporting plate.

Preferably, the left end of the spring is fixedly connected with the bottom end of the first mounting hole, the right end of the spring is fixedly connected with the supporting plate, and the supporting plate moves left and right in the first mounting hole through the spring.

Preferably, pivot main part and spliced pole fixed connection, spliced pole and main shaft fixed connection, main shaft and carousel fixed connection, four groups of screw holes have been seted up to the tip of carousel, four groups of spacing holes have been seted up on the surface of mounting bracket, spacing downthehole movable mounting has fastening screw.

Preferably, the fastening screws are matched with the limiting holes and the threaded holes, and the mounting frame is movably mounted on the turntable through the fastening screws matched with the limiting holes and the threaded holes.

Preferably, the auxiliary shaft is located at the edge of the mounting frame and fixedly connected with the mounting frame, two groups of fastening grooves II are symmetrically formed in the outer side of the auxiliary shaft, and a mounting hole II is formed in the end portion of the auxiliary shaft.

Compared with the prior art, the utility model has the beneficial effects that: the stably-connected eccentric shaft is provided with the reset mechanism, when a user aligns the mounting hole in the connector with the transmission shaft of the motor, the mounting hole is fixed through the fastening groove, the connector can be connected with the motor, so that the connecting column can drive the main shaft to rotate, the mounting mode is simple, the use is convenient, and after the user takes the clamping block out of the fastening groove I, the spring rebounds to enable the support plate to bounce the transmission shaft outwards, so that the separation of the transmission shaft and the connector can be accelerated, the disassembly is convenient, and the burden of the worker can be reduced;

this connect stable eccentric shaft is provided with the mounting bracket, behind user's counter-clockwise turning fastening screw, can make fastening screw follow the threaded hole back-out, thereby user's person can take out fastening screw from spacing downthehole, and then can make mounting bracket and carousel alternate segregation, consequently user's person can replace the different countershaft of wheel base, be convenient for different occasions use, after the replacement is accomplished, fix through fastening screw, further install to the countershaft through mounting hole two and fastening groove two pairs, and the operation is simple, and the convenience is used.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a partial exploded view of the present invention;

fig. 4 is a partial cross-sectional view of the present invention.

In the figure: 1. a rotating shaft main body; 2. a first fastening groove; 3. a first mounting hole; 4. a connector; 5. connecting columns; 6. a main shaft; 7. a turntable; 8. a mounting frame; 9. a counter shaft; 10. a second mounting hole; 11. A second fastening groove; 12. a limiting hole; 13. fastening screws; 14. a threaded hole; 15. a spring; 16. A support plate; 17. a reset mechanism.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a connect stable eccentric shaft, includes pivot main part 1, the left end of pivot main part 1 is connected with connector 4, mounting hole 3 has been seted up to the left end of connector 4, two sets of fastening grooves 2 have been seted up to the outside symmetry of connector 4, the right-hand member of pivot main part 1 is connected with spliced pole 5, the right-hand member of spliced pole 5 is connected with main shaft 6, the right-hand member of main shaft 6 is connected with carousel 7, the right side movable mounting of carousel 7 has mounting bracket 8, be provided with countershaft 9 on the mounting bracket 8.

Pivot main part 1 and connector 4 fixed connection are provided with canceling release mechanical system 17 in the mounting hole 3, and canceling release mechanical system 17 includes spring 15, and the right-hand member of spring 15 is connected with backup pad 16, and the left end of spring 15 and the bottom fixed connection of mounting hole 3, and its right-hand member and backup pad 16 fixed connection, backup pad 16 passes through spring 15 and moves about in mounting hole 3.

When using, after the transmission shaft of motor is aimed at with mounting hole 3 on connector 4 to the user of service, fix it through fastening groove 2, can be connected connector 4 with the motor, thereby can make spliced pole 5 drive main shaft 6 and rotate, the mounting means is simple, convenient to use, after the user takes out the fixture block from fastening groove 2, spring 15 kick-backs and can make backup pad 16 outwards play the transmission shaft, thereby can accelerate breaking away from of transmission shaft and connector 4, convenient dismantlement, staff's burden can be alleviateed.

Example 2:

referring to fig. 1-3, the present invention provides a technical solution: the eccentric shaft with stable connection further comprises a connecting column 5, the connecting column 5 is fixedly connected with a main shaft 6, the main shaft 6 is fixedly connected with a rotary table 7, four groups of threaded holes 14 are formed in the end portion of the rotary table 7, four groups of limiting holes 12 are formed in the surface of a mounting frame 8, and fastening screws 13 are movably mounted in the limiting holes 12.

Fastening screw 13 and spacing hole 12 and screw hole 14 homogeneous phase adaptation, mounting bracket 8 passes through fastening screw 13 cooperation spacing hole 12 and screw hole 14 movable mounting on carousel 7, and countershaft 9 is located the border position of mounting bracket 8, and countershaft 9 and mounting bracket 8 fixed connection, two sets of fastening groove two 11 have been seted up to countershaft 9's outside symmetry, and mounting hole two 10 have been seted up to countershaft 9's tip.

When the auxiliary shaft replacing device is used, after a user rotates the fastening screw 13 anticlockwise, the fastening screw 13 can be screwed out of the threaded hole 14, the user can take the fastening screw 13 out of the limiting hole 12, the mounting frame 8 can be separated from the rotary table 7, the auxiliary shaft 9 with different wheel bases can be replaced by the user, the auxiliary shaft replacing device is convenient to use in different occasions, after replacement is completed, the auxiliary shaft 9 is fixed through the fastening screw 13, and further the auxiliary shaft 9 is installed through the mounting hole II 10 and the fastening groove II 11, the operation is simple, and the use is convenient.

The working principle is as follows: for the eccentric shaft with stable connection, firstly, a user aligns a mounting hole I3 on a connector 4 with a transmission shaft of a motor, then the motor clamps a fastening groove I2 to fix the connector 4, the connector 4 can be connected with the motor, then the motor is started, a connecting column 5 at the left end of a rotating shaft main body 1 can drive a main shaft 6 to rotate, and an auxiliary shaft 9 can rotate along with a turntable 7, the mounting mode is simple and convenient to use, when the user takes out a clamping block from the fastening groove I2, a spring 15 in a reset mechanism 17 rebounds to enable a supporting plate 16 to bounce the transmission shaft outwards, so that the separation of the transmission shaft and the connector 4 can be accelerated, the disassembly is convenient, the burden of the worker can be reduced, when the user rotates a fastening screw 13 anticlockwise, the fastening screw 13 can be screwed out from a threaded hole 14, so that the user can take out the fastening screw 13 from a limiting hole 12, and then can make mounting bracket 8 and carousel 7 separate each other, so the user can replace the countershaft 9 that the wheel base is different, and the different occasions of being convenient for use, after the replacement is accomplished, fixes through fastening screw 13, further installs countershaft 9 through mounting hole two 10 and fastening groove two 11, easy operation, convenient to use.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. The utility model provides a connect stable eccentric shaft, includes pivot main part (1), its characterized in that, the left end of pivot main part (1) is connected with connector (4), mounting hole (3) have been seted up to the left end of connector (4), two sets of fastening groove (2) have been seted up to the outside symmetry of connector (4), the right-hand member of pivot main part (1) is connected with spliced pole (5), the right-hand member of spliced pole (5) is connected with main shaft (6), the right-hand member of main shaft (6) is connected with carousel (7), the right side movable mounting of carousel (7) has mounting bracket (8), be provided with countershaft (9) on mounting bracket (8).

2. The eccentric shaft with stable connection according to claim 1, characterized in that the main body (1) is fixedly connected with the connecting head (4), a reset mechanism (17) is arranged in the first mounting hole (3), the reset mechanism (17) comprises a spring (15), and a support plate (16) is connected to the right end of the spring (15).

3. The eccentric shaft with stable connection as claimed in claim 2, wherein the left end of the spring (15) is fixedly connected with the bottom end of the first mounting hole (3), and the right end thereof is fixedly connected with the support plate (16), and the support plate (16) moves left and right in the first mounting hole (3) through the spring (15).

4. The eccentric shaft with stable connection according to claim 1, wherein the main shaft body (1) is fixedly connected with a connecting column (5), the connecting column (5) is fixedly connected with a main shaft (6), the main shaft (6) is fixedly connected with a rotary table (7), four groups of threaded holes (14) are formed in the end of the rotary table (7), four groups of limiting holes (12) are formed in the surface of the mounting frame (8), and fastening screws (13) are movably mounted in the limiting holes (12).

5. An eccentric shaft with stable connection according to claim 4, characterized in that the fastening screw (13) is adapted to the position-limiting hole (12) and the threaded hole (14), and the mounting frame (8) is movably mounted on the rotary table (7) through the fastening screw (13) matching with the position-limiting hole (12) and the threaded hole (14).

6. The eccentric shaft with stable connection according to claim 1, wherein the auxiliary shaft (9) is located at the edge of the mounting frame (8), the auxiliary shaft (9) is fixedly connected with the mounting frame (8), two sets of fastening grooves II (11) are symmetrically formed on the outer side of the auxiliary shaft (9), and a mounting hole II (10) is formed at the end of the auxiliary shaft (9).

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