CN218408131U

CN218408131U - Eccentric shaft for mechanical device

Info

Publication number: CN218408131U
Application number: CN202222885706.3U
Authority: CN
Inventors: 江滨; 方凌芝
Original assignee: Hangzhou Binguo Electromechanical Co ltd
Current assignee: Hangzhou Binguo Electromechanical Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-01-31
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses an eccentric shaft for mechanical device, include the main shaft and set up in the rolling disc of main shaft one end, radial groove has been seted up on the rolling disc, rolling disc one side axial is rotated and is provided with the regulation carousel, and has seted up whirlpool type groove on the regulation carousel, radial groove and whirlpool type inslot activity respectively are provided with the eccentric shaft subassembly, adjust the carousel and rotate on the rolling disc so that the eccentric shaft subassembly removes along the whirlpool type inslot, and the eccentric shaft subassembly slides in radial inslot so that the axis interval that main shaft and eccentric shaft subassembly are parallel to each other simultaneously is adjustable. The utility model discloses an eccentric shaft that provides rotates on the rolling disc through the carousel so that eccentric shaft assembly moves along the vortex type inslot, and eccentric shaft assembly also slides in radial inslot simultaneously so that main shaft and eccentric shaft assembly be parallel to each other the axis interval adjustable, and then has adjusted the axis interval of eccentric shaft assembly and main shaft, reduces the increase in cost because of changing different types of eccentric shafts and causing.

Description

Eccentric shaft for mechanical device

Technical Field

The utility model relates to an eccentric shaft technical field relates to an eccentric shaft for mechanical device particularly.

Background

The eccentric shaft is that the excircle of the part is parallel to the axis of the inner hole and is not coincident with the axis of the inner hole, and the eccentric shaft is matched with the connecting rod to realize reciprocating action in production.

According to patent No. CN205446369U, an eccentric shaft is disclosed, which comprises a shaft seat; one side of the shaft seat is provided with a driving shaft, and the other side of the shaft seat is provided with a driven shaft; the axis of the driving shaft and the axis of the driven shaft are not on the same straight line, and the driving shaft, the shaft seat and the driven shaft are of an integrated structure; the side of the shaft seat provided with the driven shaft is provided with a shaft hole; and a concave surface is arranged on the side of the shaft seat provided with the driven shaft.

Including the eccentric shaft among the aforesaid, thereby its axis through the driving shaft is not when realizing that the axle is eccentric on same straight line with the axis of driven shaft, that side that sets up the driven shaft on the axle bed is equipped with the concave surface, the probability that the axle bed hit other parts when reducing the eccentric shaft pivoted, reduce the damage to the axle bed, improve the holistic life of eccentric shaft, but this kind of eccentric shaft, the axis of its eccentric shaft and the axis distance between the main shaft are fixed, consequently to the mechanical device in the processing production, the wheel base of its required eccentric shaft need be adjusted with its required eccentric shaft of production of adaptation sometimes, generally can adopt the eccentric shaft of changing different specifications, but it can increase to change different kinds of eccentric shaft cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an eccentric shaft for mechanical device can adjust the wheel base of eccentric shaft to save the cost because of changing different types of eccentric shaft cost.

In order to achieve the above object, the present invention provides the following technical solutions: the eccentric shaft for the mechanical device comprises a main shaft and a rotating disc arranged at one end of the main shaft, wherein a radial groove is formed in the rotating disc, an adjusting rotating disc is axially arranged on one side of the rotating disc in a rotating mode, a vortex groove is formed in the adjusting rotating disc, eccentric shaft assemblies are movably arranged in the radial groove and the vortex groove respectively, the adjusting rotating disc rotates on the rotating disc to enable the eccentric shaft assemblies to move in the vortex groove, and the eccentric shaft assemblies simultaneously slide in the radial groove to enable the axial distance between the main shaft and the eccentric shaft assemblies to be parallel to each other to be adjustable.

Preferably, the first end of the spindle is fixedly mounted on the outer wall of one side of the rotating disc along the axis, the rotating disc is provided with a sliding groove, and the protruding portion arranged on one side of the adjusting turntable slides in the sliding groove.

Preferably, the rotating disc is provided with a first locking groove in a circumferential array, the adjusting disc is provided with a second locking groove in a circumferential array, the second locking groove is matched with the first locking groove, and a locking assembly is inserted into the second locking groove and the first locking groove to enable the rotating disc and the adjusting disc to rotate synchronously.

Preferably, the locking assembly comprises a main inserted bar and elastic plates symmetrically arranged at the first end of the main inserted bar, and the first ends of the elastic plates are respectively and fixedly provided with a convex block.

Preferably, the eccentric shaft assembly comprises a main eccentric shaft and a sliding rod arranged at the first end of the main eccentric shaft, a protruding ring is fixedly arranged on the outer wall of the sliding rod, a limiting groove is formed in the inner wall of the radial groove, and the protruding ring is movably arranged in the limiting groove.

Preferably, the first end of the sliding rod is provided with a threaded end, the outer wall of which is threadedly fitted with a main nut.

Preferably, the outer wall symmetry of screw thread end is provided with the fixed slot, the array is provided with the draw-in groove on the inner wall of fixed slot respectively, the activity is provided with U type kelly on the fixed slot respectively, the adjacent one side fixed mounting in tip of U type kelly has the fixture block, the fixture block joint sets up on the draw-in groove.

Preferably, the rotating disc and the adjusting rotating disc are made of alloy steel plates.

In the technical solution, the utility model provides a pair of an eccentric shaft for mechanical device possesses following beneficial effect: rotate on the rolling disc so that the eccentric shaft subassembly removes along the vortex inslot through adjusting the carousel, the eccentric shaft subassembly also slides simultaneously in radial inslot so that main shaft and the axis interval that the eccentric shaft subassembly is parallel to each other are adjustable this moment, and then has adjusted the axis interval of eccentric shaft subassembly and main shaft, reduces the cost-push because of changing different types of eccentric shafts and causing.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic diagram of an explosion structure provided by an embodiment of the present invention;

fig. 2 is a schematic view of an overall structure provided by an embodiment of the present invention;

FIG. 3 is a schematic view of a partial cross-sectional structure of an eccentric shaft assembly according to an embodiment of the present invention;

fig. 4 is a schematic sectional view of a main insertion rod according to an embodiment of the present invention;

fig. 5 is an enlarged schematic structural diagram of a position a provided by the embodiment of the present invention.

Description of reference numerals:

1. rotating the disc; 2. a main shaft; 3. adjusting the turntable; 4. a main eccentric shaft; 5. a main nut; 6. a main insertion rod; 11. a chute; 12. a first locking groove; 13. a radial slot; 14. a limiting groove; 31. a vortex groove; 32. a second locking groove; 33. a boss portion; 41. a slide bar; 42. a raised ring; 43. a threaded end; 44. a fixing groove; 45. a card slot; 51. a U-shaped clamping rod; 52. a clamping block; 61. an elastic plate; 62. and (6) a bump.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-5, an eccentric shaft for a mechanical device includes a main shaft 2 and a rotating disc 1 disposed at one end of the main shaft 2, a radial slot 13 is disposed on the rotating disc 1, an adjusting rotary disc 3 is axially disposed on one side of the rotating disc 1, a vortex slot 31 is disposed on the adjusting rotary disc 3, eccentric shaft assemblies are movably disposed in the radial slot 13 and the vortex slot 31 respectively, the adjusting rotary disc 3 rotates on the rotating disc 1 to enable the eccentric shaft assemblies to move along the vortex slot 31, and the eccentric shaft assemblies simultaneously slide in the radial slot 13 to enable the axial distance between the main shaft 2 and the eccentric shaft assemblies parallel to each other to be adjustable. Rotate on the rolling disc 1 through adjusting carousel 3 so that eccentric shaft subassembly removes along vortex groove 31, eccentric shaft subassembly also slides simultaneously in radial groove 13 so that main shaft 2 and the axis interval that eccentric shaft subassembly is parallel to each other are adjustable this moment, and then the axis interval of eccentric shaft subassembly and main shaft 2 has been adjusted, reduce the cost increase because of changing different types of eccentric shafts and causing, the knowable first end of radial groove 13 is close to the axle center of rolling disc 1, and the axle center of rolling disc 1 is kept away from to the second end of radial groove 13, the axle center of adjusting carousel 3 is close to the first end of vortex groove 31 simultaneously, and the axle center of adjusting carousel 3 is kept away from to the second end of vortex groove 31, the nearly axle head and the distal end of vortex groove 31 and radial groove 13 match each other respectively, the groove size of vortex groove 31 and radial groove 13 matches each other simultaneously.

As shown in fig. 1, as the utility model discloses a further technical scheme that provides, the first end of main shaft 2 has seted up spout 11 on rolling disc 1 along axle center fixed mounting on the outer wall of rolling disc 1 one side on the rolling disc 1, and adjusts the bellying 33 that 3 one side of carousel set up and slide in spout 11, and then makes and adjusts carousel 3 and rotate on rolling disc 1, and main shaft 2, regulation carousel 3 and rolling disc 1 are with the axle center.

Furthermore, a first locking groove 12 is formed in the circumferential array on the rotating disc 1, a second locking groove 32 is formed in the circumferential array on the adjusting rotating disc 3, the second locking groove 32 is matched with the first locking groove 12, a locking assembly is inserted into the second locking groove 32 and the first locking groove 12 to enable the rotating disc 1 and the adjusting rotating disc 3 to synchronously rotate, the rotating disc 1 is fixed and the adjusting rotating disc 3 is rotated to adjust the distance between the eccentric shaft assembly and the spindle 2, the second locking groove 32 is selectively utilized to be matched with the first locking groove 12, and the locking assembly can be simultaneously inserted into the second locking groove 32 and the first locking groove 12 to enable the adjusting rotating disc 3 to be fixed on the rotating disc 1 and to synchronously rotate with the rotating disc 1.

Furthermore, the locking assembly comprises a main insertion rod 6 and an elastic plate 61 symmetrically arranged at the first end of the main insertion rod 6, the first end of the elastic plate 61 is respectively and fixedly provided with a lug 62, when the second locking groove 32 is matched with the first locking groove 12, the lug 62 at the first end of the elastic plate 61 is simultaneously extruded, so that the lugs 62 are close to each other and can pass through the second locking groove 32 and the first locking groove 12, and after the lug 62 passes through the second locking groove 32 and the first locking groove 12, the elastic plate 61 releases elasticity to enable the lug 62 to open a blocking piece matched with the second end of the main insertion rod 6 so as to enable the main insertion rod 6 to be fixed on the rotating disc 1.

Specifically, the eccentric shaft assembly comprises a main eccentric shaft 4 and a sliding rod 41 arranged at the first end of the main eccentric shaft 4, a protruding ring 42 is fixedly arranged on the outer wall of the sliding rod 41, a limiting groove 14 is formed in the inner wall of the radial groove 13, the protruding ring 42 is movably arranged in the limiting groove 14, and the protruding ring 42 is arranged in the limiting groove 14 in a sliding mode through utilization of the protruding ring 42, so that the main eccentric shaft 4 is prevented from being separated from the rotating disc 1.

Furthermore, in order to fix the main eccentric shaft 4 more stably, the first end of the sliding rod 41 is provided with a threaded end 43, the outer wall of the threaded end 43 is threadedly assembled with the main nut 5, and after the adjusting dial 3 is fixed on the rotating disc 1, the main nut 5 is threadedly assembled on the threaded end 43, so that the main eccentric shaft 4 is more stably fixed on the rotating disc 1.

Furthermore, because the rotating disc 1 can generate certain vibration when rotating, if the fastening effect of the main nut 5 is not good, the main nut will loosen to affect the stability of the main eccentric shaft 4, the outer wall of the threaded end 43 is symmetrically provided with the fixing grooves 44, the inner walls of the fixing grooves 44 are respectively provided with the clamping grooves 45 in an array manner, the fixing grooves 44 are respectively and movably provided with the U-shaped clamping rods 51, the adjacent sides of the ends of the U-shaped clamping rods 51 are fixedly provided with the clamping blocks 52, after the main nut 5 is screwed and fixed on the threaded end 43, the two ends of the U-shaped clamping rods 51 slide in the fixing grooves 44, and the clamping blocks 52 are clamped and arranged in the clamping grooves 45 close to one side of the main nut 5, so that the main nut 5 can play a role in limiting after loosening, and production accidents caused by the overlarge axial direction deviation of the main eccentric shaft 4 due to the overlarge loosening of the main nut 5 are avoided.

Specifically, the rotating disc 1 and the adjusting rotating disc 3 are made of alloy steel plates.

The working principle is as follows: by fixing the rotating disc 1 and rotating the adjusting rotating disc 3, at this time, the protruding ring 42 is slidably disposed in the limiting groove 14 and moves along the radial groove 13, thereby adjusting the axial distance between the main eccentric shaft 4 and the main shaft 2, by selecting a desired axial distance and simultaneously matching the second locking groove 32 with the first locking groove 12, at this time, the protruding block 62 at the first end of the elastic plate 61 is simultaneously pressed, so that the protruding block 62 approaches to each other and can pass through the second locking groove 32 and the first locking groove 12, after the protruding block 62 passes through the second locking groove 32 and the first locking groove 12, the elastic plate 61 releases elasticity to enable the protruding block 62 to open and match with the blocking piece arranged at the second end of the main insertion rod 6, so that the main insertion rod 6 is fixed on the rotating disc 1, thereby fixing the axial distance between the main eccentric shaft 4 and the main shaft 2, and adjusting the axial distance between the main eccentric shaft 4 and the main shaft 2, thereby facilitating the processing and production of mechanical devices, and adjusting the position rotation angle of the mechanical devices, etc.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims

1. The eccentric shaft for the mechanical device is characterized by comprising a main shaft (2) and a rotating disc (1) arranged at one end of the main shaft (2), wherein a radial groove (13) is formed in the rotating disc (1), an adjusting rotating disc (3) is axially arranged on one side of the rotating disc (1) in a rotating mode, a vortex groove (31) is formed in the adjusting rotating disc (3), eccentric shaft rod assemblies are movably arranged in the radial groove (13) and the vortex groove (31) respectively, the adjusting rotating disc (3) rotates on the rotating disc (1) to enable the eccentric shaft rod assemblies to move in the vortex groove (31), and the eccentric shaft rod assemblies simultaneously slide in the radial groove (13) to enable the axial line distance between the main shaft (2) and the eccentric shaft rod assemblies to be parallel to each other to be adjustable.

2. The eccentric shaft for mechanical devices according to claim 1, wherein the first end of the main shaft (2) is fixedly mounted on the outer wall of one side of the rotating disc (1) along the shaft center, the rotating disc (1) is provided with a sliding slot (11), and the protruding portion (33) provided on one side of the adjusting rotary disc (3) slides in the sliding slot (11).

3. The eccentric shaft for mechanical device according to claim 1, characterized in that the rotating disc (1) is provided with a first locking groove (12) in a circumferential array, the adjusting disc (3) is provided with a second locking groove (32) in a circumferential array, the second locking groove (32) is matched with the first locking groove (12), and a locking component is inserted into the second locking groove (32) and the first locking groove (12) to enable the rotating disc (1) and the adjusting disc (3) to rotate synchronously.

4. The eccentric shaft for a mechanical device according to claim 3, wherein the locking assembly comprises a main plunger (6) and elastic plates (61) symmetrically arranged at the first ends of the main plunger (6), and the first ends of the elastic plates (61) are respectively fixedly provided with a lug (62).

5. The eccentric shaft for a mechanical device according to claim 1, wherein the eccentric shaft assembly comprises a main eccentric shaft (4) and a sliding rod (41) arranged at a first end of the main eccentric shaft (4), a protruding ring (42) is fixedly arranged on the outer wall of the sliding rod (41), a limiting groove (14) is formed on the inner wall of the radial groove (13), and the protruding ring (42) is movably arranged in the limiting groove (14).

6. An eccentric shaft for a mechanical device according to claim 5, characterized in that the first end of the sliding rod (41) is provided with a threaded end (43), the outer wall of the threaded end (43) being threaded with the main nut (5).

7. The eccentric shaft for a mechanical device according to claim 6, wherein the outer wall of the threaded end (43) is symmetrically provided with fixing grooves (44), the inner walls of the fixing grooves (44) are respectively provided with clamping grooves (45) in an array manner, the fixing grooves (44) are respectively and movably provided with U-shaped clamping rods (51), one side of the U-shaped clamping rods (51) adjacent to the end is fixedly provided with clamping blocks (52), and the clamping blocks (52) are clamped and arranged on the clamping grooves (45).

8. Eccentric shaft for mechanical devices, according to claim 1, characterized in that the rotating disc (1) and the adjusting turntable (3) are alloy steel plates.