CN213628470U

CN213628470U - Internal combustion engine crankshaft sleeve convenient to install

Info

Publication number: CN213628470U
Application number: CN202022313211.4U
Authority: CN
Inventors: 陈广良; 吕丽萍
Original assignee: Shiyan Jintian Auto Parts Co ltd
Current assignee: Shiyan Jintian Auto Parts Co ltd
Priority date: 2020-10-17
Filing date: 2020-10-17
Publication date: 2021-07-06
Anticipated expiration: 2030-10-17

Abstract

The utility model relates to the technical field of crankshaft sleeves, and discloses a crankshaft sleeve of an internal combustion engine, which is convenient to install; this simple to operate's internal-combustion engine crankshaft shaft sleeve includes the axle bed, axle bed upper surface threaded connection has lower axle sleeve, axle sleeve top front and back side difference fixedly connected with first grafting piece and second grafting piece down, first grafting piece with the second grafting piece sets up for the symmetry, first grafting piece with two sets of joint grooves have been seted up on second grafting piece surface, the axle sleeve top is provided with the axle sleeve down, and this simple to operate's internal-combustion engine crankshaft shaft sleeve is through the bump joint of first grafting piece with second grafting piece and last axle sleeve, and by first grafting piece of screw rod fixed and second grafting piece again for zonulae occludens between upper shaft sleeve and the lower axle sleeve, through the threaded connection of bolt and nut, the mounting means is simple, and the installation of being convenient for improves work efficiency, alleviates the amount of hand labor.

Description

Internal combustion engine crankshaft sleeve convenient to install

Technical Field

The utility model belongs to the technical field of the bent axle sleeve, specifically be a simple to operate's internal-combustion engine bent axle sleeve.

Background

The shaft sleeve is a sleeve on the propeller shaft or the stern shaft, bears the load of the shaft, and moves relatively to the shaft sleeve when rotating.

When the existing crankshaft sleeve of the internal combustion engine is installed, an installer generally uses a hammer to pound the sleeve into the connecting piece, the problem that the sleeve is deformed or even broken is easily caused, the installation mode needs certain skill, the labor amount is increased, and the installation is inconvenient and low in efficiency, so that the existing crankshaft sleeve of the internal combustion engine needs to be improved aiming at the current situation.

SUMMERY OF THE UTILITY MODEL

To the above circumstances, for overcoming prior art's defect, the utility model provides a simple to operate's internal-combustion engine crankshaft sleeve, the effectual current internal-combustion engine crankshaft sleeve of having solved when the installation, installer use the hammer to inside pound into the axle sleeve to the connecting piece and lead to the axle sleeve to warp the problem that breaks even, and the mounting means needs certain skill, has increased the installation degree of difficulty, installs the problem of inconvenient inefficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a simple to operate's internal-combustion engine crankshaft sleeve, includes the axle bed, axle bed upper surface threaded connection has lower axle sleeve, side difference fixedly connected with first inserted sheet and second inserted sheet around the axle sleeve top down, first inserted sheet with the second inserted sheet sets up for the symmetry, first inserted sheet with two sets of joint grooves have all been seted up on second inserted sheet surface, the axle sleeve top is provided with the axle sleeve down, the dead slot has been seted up to upper shaft sleeve inner chamber, the dead slot is the annular setting, the inside bump that is provided with of dead slot, the bump is two sets of, the bump is symmetric distribution, just the bump with joint groove looks adaptation.

Preferably, the first insertion piece and the second insertion piece are both of an E-shaped structure, and the top of the first insertion piece and the top of the second insertion piece are both provided with a penetrating second threaded hole.

Preferably, the lower shaft sleeve and the upper shaft sleeve are provided with heat dissipation holes which are uniformly distributed, the surfaces of the heat dissipation holes are provided with dust screens, and the dust screens are made of metal materials.

Preferably, the lower shaft sleeve comprises a front piece and a rear piece, and hinges are fixedly connected to the left sides of the front piece and the rear piece.

Preferably, first threaded holes are formed in the right sides of the front piece and the rear piece, bolts are connected to the inner portions of the first threaded holes in a threaded mode, and nuts are connected to the outer ends of the bolts in a threaded mode.

Preferably, the top of the upper shaft sleeve is provided with symmetrically distributed positioning holes, the two positioning holes are both connected with screws in a threaded manner, and the screws are connected with the inner cavity of the second threaded hole in a threaded manner.

Compared with the prior art, the beneficial effects of the utility model are that: this simple to operate's internal-combustion engine crankshaft shaft sleeve passes through the bump joint of first inserted sheet and second inserted sheet and last axle sleeve, is fixed first inserted sheet and second inserted sheet respectively by the screw rod again for go up the axle sleeve and be zonulae occludens down between the axle sleeve, prevent that the axle sleeve from producing the deformation.

Through the threaded connection of bolt and nut, the mounting means is simple, and the installation of being convenient for improves work efficiency, alleviates the amount of manual labor.

Drawings

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

In the drawings:

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

FIG. 2 is a schematic view of the upper shaft sleeve structure of the present invention;

FIG. 3 is a rear view of the lower sleeve of the present invention;

in the figure: 1. a shaft seat; 2. a lower shaft sleeve; 3. a first patch; 4. an upper shaft sleeve; 5. a second patch; 21. a first threaded hole; 22. a bolt; 23. a nut; 24. heat dissipation holes; 31. a clamping groove; 32. a second threaded hole; 41. an empty groove; 42. salient points; 43. and (7) positioning the holes.

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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Embodiment one, given by fig. 1 to 3, the utility model relates to a simple to operate's internal-combustion engine crankshaft sleeve, including axle bed 1, 1 upper surface threaded connection of axle bed has lower axle sleeve 2, the first inserted sheet 3 of side fixedly connected with and second inserted sheet 5 around the 2 tops of lower axle sleeve respectively, first inserted sheet 3 sets up for the symmetry with second inserted sheet 5, two sets of joint grooves 31 have all been seted up on first inserted sheet 3 and second inserted sheet 5 surface, 2 tops of lower axle sleeve are provided with axle sleeve 4, the dead slot 41 has been seted up to upper shaft sleeve 4 inner chamber, dead slot 41 is the annular setting, the inside bump 42 that is provided with of dead slot 41, bump 42 is two sets of, bump 42 is the symmetric distribution, and bump 42 and joint groove 31 looks adaptation.

Embodiment two, on the basis of embodiment one, give by fig. 3, the utility model relates to a simple to operate's first inserted sheet 3 of internal-combustion engine crankshaft sleeve is E font structure with second inserted sheet 5, and first inserted sheet 3 top all is provided with the second screw hole 32 that runs through with second inserted sheet 5 top.

When the first inserting sheet 3 and the second inserting sheet 5 are inserted into the empty groove 41, the clamping groove 31 is clamped with the salient point 42, and the screw 43 is inserted into the inner cavity of the second threaded hole 32, so that the positions of the first inserting sheet 3 and the second inserting sheet 5 are fixed and are not easy to change.

In the third embodiment, based on the first embodiment, as shown in fig. 1, the surfaces of the lower sleeve 2 and the upper sleeve 4 are both provided with heat dissipation holes 24 uniformly distributed, and the surfaces of the heat dissipation holes 24 are provided with dust screens, and the dust screens are made of metal.

Evenly distributed's louvre 24 is all seted up on

lower axle sleeve

2 and 4 surfaces of upper shaft sleeve, and the bent axle produces high temperature when high-speed operation, and louvre 24 does benefit to the exhaust heat, and louvre 24 surface is equipped with the dust screen, prevents that debris dust from getting into louvre 24, avoids appearing fit clearance between this simple to operate's internal-combustion engine crankshaft sleeve and the main shaft, arouses this simple to operate's internal-combustion engine crankshaft sleeve's wearing and tearing.

In the fourth embodiment, based on the first embodiment, as shown in fig. 3, the lower shaft sleeve 2 includes a front plate and a rear plate, and hinges are fixedly connected to left sides of the front plate and the rear plate.

The front piece and the rear piece of the lower shaft sleeve 2 are fixedly connected through a hinge, so that the required matching force is conveniently achieved.

In the fifth embodiment, on the basis of the first embodiment, as shown in fig. 1 to 3, first threaded holes 21 are formed in the right sides of the front and rear panels, bolts 22 are screwed into the first threaded holes 21, and nuts 23 are screwed into the outer ends of the bolts 22.

The bolt 22 threaded connection is passed through on the anter and the back part right side of lower axle sleeve 2, and the bolt 22 is locked to nut 23, and the installation of being convenient for avoids lower axle sleeve 2 to be knocked when the installation, prevents that lower axle sleeve 2 from producing and warping or even breaking.

Sixth embodiment, on the basis of the first embodiment, as shown in fig. 2 to 3, the top of the upper shaft sleeve 4 is provided with positioning holes 43 which are symmetrically distributed, the insides of the two positioning holes 43 are both in threaded connection with screws, and the screws are in threaded connection with the inner cavity of the second threaded hole 32.

The top of the upper shaft sleeve 4 is provided with a positioning hole 44, when the first insertion piece 3 and the second insertion piece 5 are inserted into the empty slot 41, the screw 43 conveniently positions the second threaded hole 32 through the positioning hole 44, so that the convex point 42 is clamped in the inner cavity of the clamping groove 31, and then the lower shaft sleeve 2 and the upper shaft sleeve 4 are stably connected.

The working principle is as follows: this simple to operate's internal-combustion engine crankshaft sleeve when installation, the anter and the back part of lower axle sleeve 2 pass through bolt 22 threaded connection, and nut 23 locking bolt 22, axle bed 1 upper surface threaded connection is in axle sleeve 2 bottom down, rotate upper shaft sleeve 4, through bump 42 and first plug-in strip 3 and the 5 joint of second plug-in strip, two locating holes 43 of two screw rod difference threaded connection and second screw hole 32, make axle sleeve 2 and upper shaft sleeve 4 be connected stably then.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a simple to operate's internal-combustion engine crankshaft sleeve, includes axle bed (1), its characterized in that: the upper surface of the shaft seat (1) is in threaded connection with a lower shaft sleeve (2), the front side and the rear side of the top of the lower shaft sleeve (2) are respectively and fixedly connected with a first insertion piece (3) and a second insertion piece (5), the first insertion piece (3) and the second insertion piece (5) are symmetrically arranged, two groups of clamping grooves (31) are formed in the surfaces of the first insertion piece (3) and the second insertion piece (5), an upper shaft sleeve (4) is arranged above the lower shaft sleeve (2), an inner cavity of the upper shaft sleeve (4) is provided with a hollow groove (41), the hollow groove (41) is annularly arranged, salient points (42) are arranged inside the hollow groove (41), the salient points (42) are two groups and are symmetrically distributed, and the salient points (42) are matched with the clamping grooves (31).

2. An easily installable crankshaft sleeve for an internal combustion engine as defined in claim 1, wherein: the first inserting piece (3) and the second inserting piece (5) are both of an E-shaped structure, and the top of the first inserting piece (3) and the top of the second inserting piece (5) are both provided with a second threaded hole (32) which penetrates through.

3. An easily installable crankshaft sleeve for an internal combustion engine as defined in claim 1, wherein: the lower shaft sleeve (2) and the upper shaft sleeve (4) are provided with heat dissipation holes (24) which are uniformly distributed, the surfaces of the heat dissipation holes (24) are provided with dust screens, and the dust screens are made of metal materials.

4. An easily installable crankshaft sleeve for an internal combustion engine as defined in claim 1, wherein: the lower shaft sleeve (2) comprises a front piece and a rear piece, and hinges are fixedly connected to the left sides of the front piece and the rear piece.

5. An easily assembled crankcase for an internal combustion engine as set forth in claim 4, wherein: first screw hole (21) have all been seted up to the anter with back part right side, first screw hole (21) inside threaded connection has bolt (22), bolt (22) outer end threaded connection has nut (23).

6. An easily installable crankshaft sleeve for an internal combustion engine according to claim 2, wherein: the top of the upper shaft sleeve (4) is provided with symmetrically distributed positioning holes (43), the insides of the two positioning holes (43) are in threaded connection with screws, and the screws are in threaded connection with the inner cavity of the second threaded hole (32).