CN216895321U

CN216895321U - Bent axle convenient to local loading and unloading are changed

Info

Publication number: CN216895321U
Application number: CN202220581894.8U
Authority: CN
Inventors: 钟海志
Original assignee: Wenling Xindu Machinery Co ltd
Current assignee: Wenling Xindu Machinery Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-07-05
Anticipated expiration: 2032-03-17

Abstract

The utility model belongs to the technical field of crankshafts, and particularly relates to a crankshaft convenient for local loading and unloading and replacement, which comprises a crankshaft body, wherein one end of the crankshaft body is provided with an end shaft, one end of the end shaft, which is far away from the crankshaft body, is provided with a round block, the middle part of the surface of the round block is provided with a screw rod, the surface of the round block is uniformly distributed with four positioning blocks around the screw rod as an axis, the outer wall of the screw rod is connected with a round plate in a sliding manner, the inner surface of the round plate is provided with four limiting frames corresponding to the positioning blocks, the limiting frames are internally provided with inclined grooves, the limiting frames are connected with bolts through the inclined grooves, the surface of the round block is provided with a gear, the outer wall of the screw rod is sleeved with a gasket, the outer wall of the screw rod is connected with a nut in a threaded manner, the inner wall of an installation hole of the gear is provided with four insertion holes corresponding to the bolts, and the problem that the gear at one end of an engine crankshaft on the market is aged after being used for a long time and needs to be disassembled and replaced is solved, and the engine crankshaft in the market is inconvenient to dismantle gear and bent axle pole and change.

Description

Bent axle convenient to local loading and unloading are changed

Technical Field

The utility model belongs to the technical field of crankshafts, and particularly relates to a crankshaft convenient to locally assemble, disassemble and replace.

Background

The crankshaft is a main rotating part of the engine, after the connecting rod is arranged, the crankshaft arm can bear the up-and-down motion of the connecting rod and becomes a circular motion, and the crankshaft is an important part on the engine; in order to solve the problems exposed in the use process of the existing crankshaft, the structure of the crankshaft needs to be improved and optimized.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides the crankshaft which is convenient to locally assemble, disassemble and replace, and the crankshaft has the characteristics of convenience in assembling and disassembling the gear and firmness in fixing the gear after being assembled.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a bent axle convenient to local loading and unloading are changed, includes the bent axle body, the one end of bent axle body is equipped with the dead axle, the one end that the bent axle body was kept away from to the dead axle is equipped with the circle piece, the surperficial middle part of circle piece is equipped with the screw rod, the surface of circle piece uses the screw rod to be equipped with four locating pieces as axle center evenly around the distribution, the outer wall sliding connection of screw rod has the plectane, the internal surface of plectane is equipped with four spacing framves corresponding with the locating piece, the chute has been seted up to spacing inside, spacing framves are connected with the bolt through the chute, the surface mounting of circle piece has the gear.

As the preferable technical scheme of the crankshaft convenient for local assembly, disassembly and replacement, the outer wall of the screw rod is sleeved with the gasket, and the outer wall of the screw rod is in threaded connection with the nut.

As the preferable technical scheme of the crankshaft convenient for local assembling, disassembling and replacing, the inner wall of the mounting hole of the gear is provided with four jacks corresponding to the bolts.

As a preferable technical scheme of the crankshaft convenient for local assembly, disassembly and replacement, the bolt is positioned in the positioning block and is in sliding connection.

As the preferable technical scheme of the crankshaft convenient for local loading, unloading and replacement, the included angle between the chute and the screw rod is degree.

As the preferable technical scheme of the crankshaft convenient for local assembling, disassembling and replacing, the outer wall of the positioning block is of an arc-shaped structure.

As the preferable technical scheme of the crankshaft convenient for local assembling, disassembling and replacing, a plurality of grooves are uniformly distributed on the inner periphery of the gasket.

Compared with the prior art, the utility model has the beneficial effects that: the nut is screwed down to extrude the gasket to push the circular plate, the circular plate is pushed to drive the bolt to extend outwards through the limiting frame and the chute, and then the gear is fixed; the nut is unscrewed in the rotation, and the pulling plectane drives the bolt through spacing cooperation chute and inwards contracts for inside the bolt breaks away from the jack, withdraws to the locating piece inside, and then can pull down the gear, is of value to only needing a nut can accomplish can be fixed with the dismantlement to the installation of gear.

After the fixed gear is installed, thrust is given to the nut through the resilience pressure of the gasket, and the nut is prevented from loosening after the fixed gear is installed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a schematic perspective view of the assembled structure of the present invention;

FIG. 3 is a schematic sectional view of the crankshaft and gear assembly of the present invention;

FIG. 4 is a schematic structural view of the round shelf of the present invention;

in the figure: 1. a crankshaft body; 2. an end shaft; 3. a round block; 4. a screw; 5. positioning blocks; 6. a circular plate; 7. a limiting frame; 8. a chute; 9. a bolt; 10. a gear; 11. a jack; 12. a gasket; 13. and a nut.

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

Referring to fig. 1-4, the present invention provides the following technical solutions: a crankshaft convenient for local loading and unloading and replacement comprises a crankshaft body 1, wherein an end shaft 2 is arranged at one end of the crankshaft body 1, a round block 3 is arranged at one end, away from the crankshaft body 1, of the end shaft 2, a screw rod 4 is arranged in the middle of the surface of the round block 3, four positioning blocks 5 are uniformly distributed on the surface of the round block 3 in a surrounding manner by taking the screw rod 4 as an axis, a round plate 6 is connected to the outer wall of the screw rod 4 in a sliding manner, four limiting frames 7 corresponding to the positioning blocks 5 are arranged on the inner surface of the round plate 6, a chute 8 is formed in the limiting frames 7, the limiting frames 7 are connected with a bolt 9 through the chute 8, and a gear 10 is mounted on the surface of the round block 3; when the gear 10 needs to be disassembled, the circular plate 6 is pulled to be matched with the chute 8 through the limiting frame 7 to drive the bolt 9 to contract inwards, so that the bolt 9 is separated from the jack 11 and is retracted into the positioning block 5, the gear 10 can be disassembled, and the gear 10 can be assembled, fixed and disassembled only by one nut 13.

Specifically, the outer wall cover of screw rod 4 has gasket 12, and the outer wall threaded connection of screw rod 4 has nut 13, and in this embodiment when gear 10 installs back through tightening nut 13 extrusion gasket 12 promotes plectane 6, gives nut 13 a thrust through the pressure that gasket 12 kick-backed simultaneously, prevents that gear 10 from installing fixed back nut 13 and producing and becoming flexible.

Specifically, four insertion holes 11 corresponding to the pins 9 are formed in the inner wall of the mounting hole of the gear 10, and in this embodiment, after the gear 10 is mounted, the pins 9 are inserted into the insertion holes 11, so as to fix the gear 10.

Specifically, the latch 9 is slidably connected inside the positioning block 5, so that the latch 9 moves horizontally along the inside of the positioning block 5 during the movement process in this embodiment.

Specifically, an included angle between the chute 8 and the screw rod 4 is 45 degrees, so that in the embodiment, when the chute 8 is pulled by the limiting frame 7, the chute 8 drives the plug pin 9 to extend inwards; when the limiting frame 7 pushes the chute 8, the chute 8 drives the bolt 9 to contract inwards.

Specifically, the outer wall of the positioning block 5 is of an arc-shaped structure, so that the outer wall of the positioning block 5 is attached to the inner wall of the mounting hole of the gear 10 after the gear 10 is mounted in the embodiment.

Specifically, a plurality of recess evenly distributed is seted up to the inside outer fringe of gasket 12, makes gasket 12 have the shrink resilience when receiving the extrusion in this embodiment.

The working principle and the using process of the utility model are as follows: when the gear 10 needs to be installed, firstly, the gear 10 is installed on the round block 3, the inner wall of an installation hole of the gear 10 is attached to the outer wall of the positioning block 5, meanwhile, the positioning block 5 is aligned with the bolt 9, the nut 13 is screwed down to extrude the gasket 12 to push the round plate 6, the round plate 6 drives the bolt 9 to extend outwards from the inside of the positioning block 5 through the limiting frame 7 and the inclined groove 8, and is inserted into the jack 11, and then the gear 10 is fixed; meanwhile, a thrust is applied to the nut 13 through the resilience pressure of the gasket 12, so that the nut 13 is prevented from loosening after the gear 10 is installed and fixed; when the gear 10 needs to be disassembled, the nut 13 is unscrewed in a rotating mode, the circular plate 6 is pulled to drive the bolt 9 to contract inwards through the limiting frame 7 and the chute 8, the bolt 9 is separated from the jack 11 and is retracted to the inside of the positioning block 5, the gear 10 can be disassembled, and the gear 10 can be fixedly installed and disassembled only through the nut 13.

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. The utility model provides a bent axle convenient to local loading and unloading are changed, includes bent axle body (1), its characterized in that: the one end of bent axle body (1) is equipped with end shaft (2), the one end that bent axle body (1) was kept away from in end shaft (2) is equipped with circle piece (3), the surface middle part of circle piece (3) is equipped with screw rod (4), the surface of circle piece (3) uses screw rod (4) to be equipped with four locating pieces (5) as axle center even encircleing distribution, the outer wall sliding connection of screw rod (4) has plectane (6), the internal surface of plectane (6) is equipped with four spacing framves (7) corresponding with locating piece (5), chute (8) have been seted up to the inside of spacing frame (7), spacing frame (7) are connected with bolt (9) through chute (8), the surface mounting of circle piece (3) has gear (10).

2. A crankshaft for facilitating partial load and unload replacement as set forth in claim 1, wherein: the outer wall of the screw rod (4) is sleeved with a gasket (12), and the outer wall of the screw rod (4) is in threaded connection with a nut (13).

3. A crankshaft for facilitating partial load and unload replacement as set forth in claim 1, wherein: the inner wall of the mounting hole of the gear (10) is provided with four jacks (11) corresponding to the bolts (9).

4. A crankshaft for facilitating partial load and unload replacement as set forth in claim 1, wherein: the bolt (9) is positioned inside the positioning block (5) and is in sliding connection.

5. A crankshaft for facilitating partial load and unload replacement as set forth in claim 1, wherein: and an included angle between the chute (8) and the screw rod (4) is 45 degrees.

6. A crankshaft for facilitating partial load and unload replacement as set forth in claim 1, wherein: the outer wall of the positioning block (5) is of an arc-shaped structure.

7. A crankshaft for facilitating partial load and unload replacement as set forth in claim 2, wherein: a plurality of grooves which are uniformly distributed are formed in the inner edge of the gasket (12).