CN106392990B - The pressing component of cylinder block cam shaft bush - Google Patents
The pressing component of cylinder block cam shaft bush Download PDFInfo
- Publication number
- CN106392990B CN106392990B CN201611120455.2A CN201611120455A CN106392990B CN 106392990 B CN106392990 B CN 106392990B CN 201611120455 A CN201611120455 A CN 201611120455A CN 106392990 B CN106392990 B CN 106392990B
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- CN
- China
- Prior art keywords
- bushing
- pressure head
- cylinder block
- guide sleeve
- cylindrical body
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a kind of pressing components of cylinder block cam shaft bush, it include: pressure head, the pressure head is cylindrical body, cushion rubber is cased on cylindrical body, telescopic steel ball is installed on the side wall of cylindrical body, cylindrical body is used to be inserted in bushing, and the oilhole that steel ball is used in alignment bushings in turn limits bushing, and pressure head is used to the bushing being pressed in each grade of camshaft hole of cylinder block；Guide sleeve is oriented, internal to have directional hole, after bushing press-mounting enters first grade of camshaft hole of cylinder block, orientation guide sleeve is used to be supported in the bushing being fitted in first grade of camshaft hole of cylinder block；And guide hand stick, it is used to couple after orientation guide sleeve with pressure head.The pressing component is pressed accuracy height, easy to operate, high-efficient.
Description
Technical field
The present invention relates to camshafts to assemble field, in particular to a kind of pressing component of cylinder block cam shaft bush.
Background technique
Currently, the press fitting of cylinder block cam shaft bush is completed using a pressure head and auxiliary rod, detailed process is as follows: body
Bottom surface upward, manually covers bushing on pressure head, is aligned cylinder block camshaft hole (first grade of first grade of front end or rear end), with hammer
Sub- appropriateness, which beats pressure head side, is pressed into bushing toward camshaft hole, and after range estimation in place, stopping beats and takes out pressure head.Again by second
Shelves bushing covers on pressure head, after cylinder block lumens aligned camshaft hole (front end second gear or rear end second gear), uses auxiliary rod
One end recline pressure head side from cylinder block front end or rear extreme direction, the auxiliary rod other end is moderately beaten with hammer, range estimation is in place
Stop beaing and taking out pressure head and auxiliary rod afterwards.Remaining grade of same principle of cylinder block camshaft is pressed.
But existing tooling carries out cam shaft bush press fitting, has the disadvantage that:
1. there is oilhole (logical main bearing hole) on cam shaft bush, and pressure head does not have limiting bush function, is easy to happen bushing
It presses offset position, oilhole obstructed, causes the major qualities accidents such as engine lubrication deficiency tile kilning, performance difference.
2. when being pressed cylinder block middle gear pressure head can only be put into from cylinder block bottom surface inner cavity, however inner cavity is smaller, human eye
It is whether correct that the bushing being pressed can not be observed.
3. personnel's manipulation strength is larger, it is sometimes necessary to which two personal synergics are pressed low efficiency.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of pressing components of cylinder block cam shaft bush, are pressed accuracy height, operation
It is convenient, it is high-efficient.
To achieve the above object, the present invention provides a kind of pressing components of cylinder block cam shaft bush, comprising: pressure head,
The pressure head is cylindrical body, is cased with cushion rubber on cylindrical body, and telescopic steel ball is installed on the side wall of cylindrical body, and cylindrical body is used to be inserted in
Bushing, the oilhole that steel ball is used in alignment bushings in turn limit bushing, and pressure head is used to be pressed each grade of cam of cylinder block
Bushing in axis hole；Guide sleeve is oriented, it is internal that there is directional hole, it is fixed after bushing press-mounting enters first grade of camshaft hole of cylinder block
Guide set is used to be supported in the bushing being fitted in first grade of camshaft hole of cylinder block；And guide hand stick, be used to across
Couple after orientation guide sleeve with pressure head.
Preferably, the medium position of cylindrical body is equipped with the mounting hole for being used to install steel ball, is equipped with spring, bullet in mounting hole
Spring is encapsulated in mounting hole by bolt, and steel ball floats up and down under the driving of spring.
Preferably, the side wall of pressure head is equipped with annular groove, and cushion rubber is built in annular groove.
Preferably, step is equipped at the inside edge of pressure head, the bushing which is used to treat press fitting is pressed into.
Preferably, the side of pressure head is equipped with connecting column, and guide hand stick is connect with connecting column by bolt.
Preferably, the side wall of guide hand stick is equipped with axial guide groove, orients and is fixed with flat key on the side wall of guide sleeve, should
Flat key is used to protrude into guide groove.
Preferably, the side wall for orienting guide sleeve is equipped with fluting, is bolted after flat key insertion fluting.
Compared with prior art, the invention has the following beneficial effects: quickly cut by guide hand stick with coupling for pressure head
Installation cam shaft bush is changed, installation cam shaft bush is realized quickly and facilitate, pressure head is equipped with steel ball spring structure, is used for limit convex
Neck bush is taken turns, bushing rotation, oilhole dislocation are effectively prevent, orientation guide sleeve can realize that the direction for being pressed each shelves bushing remains one
It causes, is further ensured that each shelves bushing locations are accurate, accurate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the pressing component of cylinder block cam shaft bush according to the present invention；
Fig. 2 is the cross-sectional view of the pressure head in the pressing component of cylinder block cam shaft bush according to the present invention；
Fig. 3 is the structure chart of the guide hand stick in the pressing component of cylinder block cam shaft bush according to the present invention；
Fig. 4 is the cross-sectional view of the orientation guide sleeve in the pressing component of cylinder block cam shaft bush according to the present invention.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention
Shield range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
As shown in Figures 1 to 4, the press fitting group of a kind of cylinder block cam shaft bush of specific embodiment according to the present invention
Part, including pressure head 1, orientation guide sleeve 5 and guide hand stick 4, wherein pressure head 1 is cylindrical body, is cased with cushion rubber 8, cylinder on cylindrical body
Telescopic steel ball 2 is installed, cylindrical body is used to be inserted in bushing, and steel ball 2 is used to the oilhole in alignment bushings in turn on the side wall of body
Bushing is limited, pressure head 1 is used to the bushing that is pressed in each grade of camshaft hole of cylinder block, when bushing press-mounting enters cylinder block the
After one grade of camshaft hole, orientation guide sleeve 5 is used to be supported in the bushing being fitted in first grade of camshaft hole of cylinder block, guide hand
Stick 4 is used to couple after orientation guide sleeve with pressure head 1, and orientation guide sleeve 5 has directional hole 51, and orientation guide sleeve 5 passes through directional hole 51
It realizes and positions with the oilhole of camshaft.
As a kind of preferred embodiment, the medium position of cylindrical body is equipped with the mounting hole 12 for being used to install steel ball 2, mounting hole
Spring 10 is installed, spring 10 is encapsulated in mounting hole 12 by bolt 9, and steel ball 2 floats up and down under the driving of spring 10 in 12.
As a kind of preferred embodiment, the side wall of pressure head 1 is equipped with annular groove 11, and cushion rubber 8 is built in annular groove 11.
As a kind of preferred embodiment, step 13 is equipped at the inside edge of pressure head 1, which is used to treat press fitting
Bushing is pressed into.
As a kind of preferred embodiment, the side of pressure head 1 is equipped with connecting column 14, guide hand stick 4 and connecting column 14 by inserting
Pin 3 connects (referring to Fig. 1).
As a kind of preferred embodiment, the side wall of guide hand stick 4 is equipped with axial guide groove 41, orients the side of guide sleeve 5
Flat key 6 is fixed on wall, which is used to protrude into guide groove 41.
As a kind of preferred embodiment, the side wall for orienting guide sleeve 5 is equipped with fluting 52, and flat key 6 is inserted into after fluting 52 by spiral shell
Bolt 7 is fixed (referring to fig. 4).
It, can be with by design head 1, orientation guide sleeve 5 and the pressing component that is used cooperatively of guide hand stick 4 in above scheme
It realizes quickly and facilitates installation cam shaft bush, in press fitting, upward, bushing is covered on pressure head 1 for cylinder block bottom surface, bushing oil
Hole is directed at steel ball 2, and steel ball 2 is made its limit by 10 spreading of spring to bushing oil hole, then pressure head 1 is put to first grade of cam of cylinder block
Axis hole, the direction for estimating bolt 3 is consistent with main bearing hole inclined oil hole of air, and 1 side of pressure head is moderately beaten using hammer until bushing pressure
It is attached to position.Again by second gear bushing cover seaming chuck 1, bushing oil hole be aligned steel ball 2, pressure head 1 from cylinder block bottom surface inner cavity put to
Second gear, and guide hand stick 4 passes through first grade of cam shaft bush hole being press-fit into place, and orients guide sleeve 5 in first grade of camshaft
Play support guide hand stick in bush hole simultaneously.Guide hand stick 4 is inserted into orientation guide sleeve 5, then inserting bolt 3 makes guide hand
4 one end of stick couples with pressure head 1, then 4 other end of guide hand stick is moderately beaten with hammer, is pressed into bushing.It is being pressed remaining shelves lining
When set, it is only necessary to extract bolt 3, guided in translation hand stick 4 takes out pressure head 1, is reloaded into bushing, same principle is pressed into.It uses
The pressing component, partially without having to worry about oilhole dislocation pressure, operation is more convenient, and only needs one man operation that bushing press-mounting can be completed,
Reduce labour cost.
To sum up, the pressing component of the cylinder block cam shaft bush of the present embodiment passes through coupling for guide hand stick 4 and pressure head 1
It is switched fast installation cam shaft bush, realizes quickly and facilitate installation cam shaft bush, pressure head 1 is equipped with steel ball spring structure, uses
In limit cam neck bush, it is effectively prevent bushing rotation, oilhole dislocation, orientation guide sleeve 5 can realize the direction for being pressed each shelves bushing
It is always consistent, it is further ensured that each shelves bushing locations are accurate, accurate.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (2)
1. a kind of pressing component of cylinder block cam shaft bush characterized by comprising
Pressure head, the pressure head are cylindrical body, are cased with cushion rubber on the cylindrical body, telescopic steel is installed on the side wall of the cylindrical body
Pearl, the cylindrical body are used to be inserted in bushing, and the oilhole that the steel ball is used to be aligned on the bushing in turn carries out the bushing
Limit, the pressure head are used to the bushing being pressed in each grade of camshaft hole of cylinder block；
Guide sleeve is oriented, it is internal that there is directional hole, after the bushing press-mounting enters first grade of camshaft hole of cylinder block, the orientation
Guide sleeve is used to be supported in the bushing being fitted in first grade of camshaft hole of the cylinder block, and it is described fixed that the orientation guide sleeve passes through
The oilhole of Xiang Kongyu camshaft realizes positioning；And
Guide hand stick is used to couple after the orientation guide sleeve with the pressure head；
Wherein, the medium position of the cylindrical body is equipped with the mounting hole for being used to install the steel ball, is equipped in the mounting hole
Spring, the spring are encapsulated in the mounting hole by bolt, and the steel ball floats up and down under the driving of the spring, described
The side wall of pressure head is equipped with annular groove, and the cushion rubber is built in the annular groove, and step is equipped at the inside edge of the pressure head, should
The bushing that step is used to treat press fitting is pressed into, and the side of the pressure head is equipped with connecting column, the guide hand stick and the company
It connects column to connect by bolt, the side wall of the guide hand stick is equipped with axial guide groove, solid on the side wall of the orientation guide sleeve
Surely there is flat key, which is used to protrude into the guide groove.
2. the pressing component of cylinder block cam shaft bush according to claim 1, which is characterized in that the orientation guide sleeve
Side wall is equipped with fluting, and the flat key is bolted after being inserted into the fluting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611120455.2A CN106392990B (en) | 2016-12-08 | 2016-12-08 | The pressing component of cylinder block cam shaft bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611120455.2A CN106392990B (en) | 2016-12-08 | 2016-12-08 | The pressing component of cylinder block cam shaft bush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106392990A CN106392990A (en) | 2017-02-15 |
| CN106392990B true CN106392990B (en) | 2019-05-21 |
Family
ID=58084211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611120455.2A Active CN106392990B (en) | 2016-12-08 | 2016-12-08 | The pressing component of cylinder block cam shaft bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106392990B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4619027A (en) * | 1985-02-25 | 1986-10-28 | Ohannesian Michael J | Tool for installing and aligning camshaft bushings in internal combustion engines |
| US4894899A (en) * | 1988-05-04 | 1990-01-23 | George Hamatani | Camshaft bushing positioner |
| US5042132A (en) * | 1990-01-10 | 1991-08-27 | Cummins Engine Company, Inc. | Hydraulic cam bushing installation and removal tool |
| CN200974224Y (en) * | 2006-10-31 | 2007-11-14 | 扬动股份有限公司 | Camshaft bush press-fitting tool |
| CN201597014U (en) * | 2010-02-05 | 2010-10-06 | 广西玉柴机器股份有限公司 | Cylinder block camshaft lining pressing tool |
| CN102950453A (en) * | 2011-08-29 | 2013-03-06 | 广西玉柴机器股份有限公司 | Camshaft bush installation tool of heavy-duty diesel engine |
| CN103395043A (en) * | 2013-07-02 | 2013-11-20 | 广西玉柴机器股份有限公司 | Press fitting device of cam shaft bush of diesel engine |
| CN206230449U (en) * | 2016-12-08 | 2017-06-09 | 广西玉柴机器股份有限公司 | The pressing component of cylinder block cam shaft bush |
-
2016
- 2016-12-08 CN CN201611120455.2A patent/CN106392990B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4619027A (en) * | 1985-02-25 | 1986-10-28 | Ohannesian Michael J | Tool for installing and aligning camshaft bushings in internal combustion engines |
| US4894899A (en) * | 1988-05-04 | 1990-01-23 | George Hamatani | Camshaft bushing positioner |
| US5042132A (en) * | 1990-01-10 | 1991-08-27 | Cummins Engine Company, Inc. | Hydraulic cam bushing installation and removal tool |
| CN200974224Y (en) * | 2006-10-31 | 2007-11-14 | 扬动股份有限公司 | Camshaft bush press-fitting tool |
| CN201597014U (en) * | 2010-02-05 | 2010-10-06 | 广西玉柴机器股份有限公司 | Cylinder block camshaft lining pressing tool |
| CN102950453A (en) * | 2011-08-29 | 2013-03-06 | 广西玉柴机器股份有限公司 | Camshaft bush installation tool of heavy-duty diesel engine |
| CN103395043A (en) * | 2013-07-02 | 2013-11-20 | 广西玉柴机器股份有限公司 | Press fitting device of cam shaft bush of diesel engine |
| CN206230449U (en) * | 2016-12-08 | 2017-06-09 | 广西玉柴机器股份有限公司 | The pressing component of cylinder block cam shaft bush |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106392990A (en) | 2017-02-15 |
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