CN109723717A - A kind of thin wall cylinder end-cap assembly and assembly method - Google Patents
A kind of thin wall cylinder end-cap assembly and assembly method Download PDFInfo
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- CN109723717A CN109723717A CN201910092473.1A CN201910092473A CN109723717A CN 109723717 A CN109723717 A CN 109723717A CN 201910092473 A CN201910092473 A CN 201910092473A CN 109723717 A CN109723717 A CN 109723717A
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- bayonet lock
- cylinder
- end cap
- slot
- hole
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Abstract
The present invention provides a kind of thin wall cylinder end-cap assembly and assembly method, including cylinder and end cap, its main feature is that: the shallow slot of annular is circumferentially opened up on inner wall of the cylinder by proximal port, opens up an elongated through-hole along shallow slot bottom surface；A bayonet lock slot is opened up on end cap, radially opens up a blind hole in the slot bottom of bayonet lock slot.There is one end of a C-shaped bayonet lock ontology that fixed boss is set, rotation stop boss is arranged in the other end, and the width of C-shaped bayonet lock ontology is slightly less than the groove width of shallow slot and bayonet lock slot.The height of fixed boss is slightly less than the depth of blind hole, and the length of rotation stop boss is less than the length of elongated through-hole on cylinder.After cylinder, C-shaped bayonet lock and end cap assembly, the one end for making end cap have bayonet lock slot is protruded into cylinder, and makes C-shaped bayonet lock ontology insertion bayonet lock slot and shallow slot, and makes the fixed elongated through-hole stretched out on cylinder with boss insertion blind hole, rotation stop boss.Making to weld between thin wall cylinder cylinder and end cap can be connected firmly, and easy for installation, indeformable, at low cost.
Description
Technical field
The invention belongs to hardware machinery processing technology fields, are related to cylinder part end-cap assembly and its assemble method, specifically
Say it is a kind of thin wall cylinder end-cap assembly and assembly method.
Background technique
In mechanical equipment manufacturing field, cylinder part is often used, such as the transfer roller in various equipment, is all used to mitigate weight
Hollow round tube adds end cap as axis body, both ends, then assembles shaft as transfer roller on end cap.Currently, round tube and end cap it
Between generally use welding or threaded connection or gas meets screw to be attached: 1, welding manner needs welder equipment and welding rod, and
It is easily deformed, later period straightening is needed to handle, it is complex procedures, at high cost；2, it is threadedly coupled and is suitable for thick-wall cylinder, it is thin for wall
First welded flange is then needed, lathe thread is then used, deformation is difficult to control after welding；3, air cleft mode needs the mode in screw thread
It is manufactured after fixation.
Summary of the invention
The present invention to solve the above problems existing in the prior art, provides a kind of thin wall cylinder end-cap assembly and assembly method,
Making to weld between thin wall cylinder cylinder and end cap can be connected firmly, and easy for installation, indeformable, at low cost.
The purpose of the present invention is what is be achieved through the following technical solutions: a kind of thin wall cylinder end-cap assembly, comprising: cylinder, end
Lid, which is characterized in that the shallow slot of annular, edge on the cylinder are circumferentially opened up on the inner wall that the cylinder leans on proximal port
Shallow slot bottom surface opens up an elongated through-hole；The outer diameter of the end cap is slightly less than the internal diameter of cylinder installation end cap one end, in institute
State and open up a bayonet lock slot on end cap, the bayonet lock slot groove width and the shallow slot equivalent width, the bayonet lock slot slot bottom along diameter
To opening up a blind hole；It is furnished with a C-shaped bayonet lock in the bayonet lock slot, the C-shaped bayonet lock includes C-shaped bayonet lock ontology, fixed boss
And the fixation boss extended to center, the C-shaped bayonet lock ontology is arranged in rotation stop boss, one end of the C-shaped bayonet lock ontology
The other end outwardly extending rotation stop boss is set, the width of the C-shaped bayonet lock ontology is slightly less than the shallow slot and bayonet lock slot
Groove width, the height H of fixation boss is slightly less than the depth of the blind hole, and the length A of the rotation stop boss is less than institute
State the length L of elongated through-hole on cylinder；End cap is set to have one end of bayonet lock slot after the cylinder, C-shaped bayonet lock and end cap three assembly
It protrudes into cylinder, and C-shaped bayonet lock ontology is made to be embedded in the bayonet lock slot and shallow slot, and keep the fixation boss insertion described blind
The elongated through-hole on the cylinder is stretched out in hole, rotation stop with boss.
Improvement to above-mentioned technical proposal: it is provided with several in the end face outside of the end cap and tightens hole, the end
The circumference of lid outer end is annular convex edge, is provided with raised line on the annular convex edge top surface.
Further improvement to above-mentioned technical proposal: the distance X on the upper edge of the shallow slot to barrel port and the end
It covers identical along the distance Y to annular convex edge on bayonet lock slot.
Further improvement to above-mentioned technical proposal: the C-shaped bayonet lock ontology is circular ring shape jaggy, the C-shaped card
The section for selling ontology is rectangular, the integral structure that the C-shaped bayonet lock is made of steel.
Further improvement to above-mentioned technical proposal: the cylinder is cylindrical shape, and the end cap is disc.
A kind of assembly method of above-mentioned thin wall cylinder end-cap assembly, which comprises the steps of:
(1) end cap is first inserted into cylinder, rotary end cover makes blind hole be directed at elongated through-hole；
(2) the fixation boss on bayonet lock is inserted into the blind hole of end cap from elongated through-hole again；
(3) then, hole rotary end cover is tightened with tool, C-shaped bayonet lock ontology is gradually transferred in cylinder with the rotation of end cap at this time,
And C-shaped bayonet lock ontology is fallen in shallow slot and bayonet lock slot, until the rotation stop on bayonet lock is stuck in elongated through-hole with boss.
Improvement to above-mentioned assembly method: the step (1) and step (2) are assembled under normal temperature environment, described
After the completion of step (2), to cylinder and end cap continuous heating, after temperature reaches certain value, then step (3) are carried out, when step (3)
After assembly, then stop heating.
Further improvement to above-mentioned assembly method: when to cylinder and end cap continuous heating, when temperature reaches 110-130 DEG C
Afterwards, it then carries out step (3), after step (3) assembly, stops heating and being put into cooling in oil.
Sheet of the present invention compared with prior art the advantages of and good effect be:
Need not weld between the barrel port and end cap of thin wall cylinder in thin wall cylinder end-cap assembly of the present invention can be connected firmly, no
It is easily-deformable, be not easy to loosen, be particularly suitable for thin wall cylinder.And processing and manufacturing is at low cost, assembly method is simple, conveniently, high production efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of thin wall cylinder end cap limiting device of the present invention；
Fig. 2 is a kind of enlarged drawing of the bayonet lock of thin wall cylinder end cap limiting device of the present invention；
Fig. 3 is a kind of structural schematic diagram of the end cap of thin wall cylinder end cap limiting device of the present invention.
Numbered in figure are as follows: 1- cylinder, 1.1- shallow slot, 1.2- elongated through-hole, 2-C shape bayonet lock, 2.1-C shape bayonet lock ontology,
2.2- fixes boss, 2.3- rotation stop boss, 3- end cap, 3.1- bayonet lock slot, 3.2- blind hole, 3.3- raised line, 3.4- tighten hole,
3.5- annular convex edge.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail:
A kind of embodiment of thin wall cylinder end-cap assembly of the present invention, comprising: cylinder 1, end cap 3, in the cylinder 1 by proximal port
The shallow slot 1.1 that annular is circumferentially opened up on inner wall opens up an elongated through-hole 1.2 along 1.1 bottom surface of shallow slot on the cylinder 1；It is described
The outer diameter of end cap 3 be slightly less than the internal diameter that the cylinder 1 installs 3 one end of end cap, a bayonet lock slot 3.1 is opened up on the end cap 3,
3.1 groove width of bayonet lock slot and 1.1 equivalent width of shallow slot, radially open up a blind hole in the slot bottom of the bayonet lock slot 3.1
3.2；It is furnished with a C-shaped bayonet lock 2 in the bayonet lock slot 3.1, the C-shaped bayonet lock 2 includes C-shaped bayonet lock ontology 2.1, fixed boss
2.2 and rotation stop boss 2.3, the fixation boss 2.2 extended to center is arranged in one end of the C-shaped bayonet lock ontology 2.1, described
Outwardly extending rotation stop boss 2.3 is arranged in the other end of C-shaped bayonet lock ontology 2.1, and the width of the C-shaped bayonet lock ontology 2.1 omits
Less than the groove width of the shallow slot 1.1 and bayonet lock slot 3.1, the height H of fixation boss 2.2 is slightly less than the blind hole 3.2
Depth, the length A of rotation stop boss 2.3 are less than the length L of elongated through-hole 1.2 on the cylinder 1；The cylinder 1, C-shaped
Make end cap 3 there is one end of bayonet lock slot 3.1 to protrude into cylinder 1 after bayonet lock 2 and 3 three of end cap assembly, and makes C-shaped bayonet lock ontology 2.1
It is embedded in the bayonet lock slot 3.1 and shallow slot 1.1, and the fixation is made to be inserted into the blind hole 3.2, rotation stop boss 2.3 with boss 2.2
Stretch out the elongated through-hole 1.2 on the cylinder 1.Above-mentioned cylinder 1 is cylindrical shape, and above-mentioned end cap 3 is disc.
For the ease of assembly, it is provided with several in the end face outside of the end cap 3 and tightens hole 3.4, outside the end cap 3
The circumference at end is annular convex edge 3.5, is provided with anti-skidding raised line 3.3 on 3.5 top surface of annular convex edge.Tighten the setting in hole 3.4
Mainly tool easy to use is assembled, and for the thin wall cylinder end cap being relatively large in diameter, is tightened hole 3.4 and is generally arranged at by proximal cover
The position of outer marginal circumference；Thin wall cylinder end cap lesser for diameter, tightens hole 3.4 and is generally arranged in the end face outside of end cap 3
The heart, and tightening hole 3.4 is interior hexagonal or cross fancy top.
It is annular along arriving on bayonet lock slot 3.1 on the upper edge of above-mentioned shallow slot 1.1 to the distance X and the end cap 3 of 1 port of cylinder
The distance Y of convex edge 3.5 is identical.As shown in Figure 1, shallow slot 1.1 is just right with bayonet lock slot 3.1 in this way after end cap 3 protrudes into cylinder 1
It is quasi-.
When usually making, above-mentioned C-shaped bayonet lock ontology 2.1 is circular ring shape jaggy, and the section of C-shaped bayonet lock ontology 2.1 is
Integral structure rectangular, that C-shaped bayonet lock 2 is made of steel.
A kind of embodiment of the assembly method of above-mentioned thin wall cylinder end-cap assembly of the present invention, includes the following steps:
(1) end cap 3 is first inserted into cylinder 1, rotary end cover 3 makes blind hole 3.2 be directed at elongated through-hole 1.2；
(2) fixation on bayonet lock 2 is inserted into boss 2.2 from elongated through-hole 1.2 to the blind hole 3.2 of end cap 3 again；
(3) then, 3.4 rotary end cover 3 of hole is tightened with tool, C-shaped bayonet lock ontology 2.1 gradually turns with the rotation of end cap 3 at this time
Enter in cylinder 1, and C-shaped bayonet lock ontology 2.1 is fallen in shallow slot 1.1 and bayonet lock slot 3.1, until the boss 2.3 of the rotation stop on bayonet lock 2
It is stuck in elongated through-hole 1.2.
For convenient for assembly, the step (1) and step (2) are assembled under normal temperature environment, the step (2) is completed
Afterwards, to 3 continuous heating of cylinder 1 and end cap, after temperature reaches certain value, then step (3) are carried out, assembly finishes when step (3)
Afterwards, then stop heating.
When preferentially, to 3 continuous heating of cylinder 1 and end cap, after temperature reaches 110-130 DEG C, then step (3) are carried out,
After step (3) assembly, stop heating and being put into cooling in oil, being cooled to after normal temperature environment can be used.
It can be made suitably to expand cylinder 1 and the heating of end cap 3, be conducive to C-shaped bayonet lock ontology 2.1 and be smoothly transferred to shallow slot 1.1
In bayonet lock slot 3.1, assembly completes C-shaped bayonet lock ontology 2.1 after being cooled to normal temperature environment and is tightly stuck in shallow slot 1.1 and bayonet lock slot
In 3.1, and have fixed with elongated logical on the grafting of blind hole 3.2 on boss 2.2 and end cap 3 and rotation stop boss 2.3 and cylinder 1
The backstop in hole 1.2, entire end cap 3 become closely one with cylinder 1, effectively prevent loosening.And processing and manufacturing cost
It is low, it is easy to assembly.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, the art
Those of ordinary skill, within the essential scope of the present invention, the variations, modifications, additions or substitutions made also should belong to this hair
Bright protection scope.
Claims (9)
1. a kind of thin wall cylinder end-cap assembly, comprising: cylinder, end cap, which is characterized in that in the cylinder in proximal port
The shallow slot that annular is circumferentially opened up on wall opens up an elongated through-hole along shallow slot bottom surface on the cylinder；The outer diameter of the end cap
It is slightly less than the internal diameter of cylinder installation end cap one end, a bayonet lock slot, the bayonet lock slot groove width and institute is opened up on the end cap
Shallow slot equivalent width is stated, radially opens up a blind hole in the slot bottom of the bayonet lock slot；It is furnished with a C-shaped bayonet lock in the bayonet lock slot,
The C-shaped bayonet lock includes C-shaped bayonet lock ontology, fixed boss and rotation stop boss, one end of the C-shaped bayonet lock ontology be arranged to
Outwardly extending rotation stop boss, the C-shaped is arranged in the other end of the fixation boss that center extends, the C-shaped bayonet lock ontology
The width of bayonet lock ontology is slightly less than the groove width of the shallow slot and bayonet lock slot, and the height H of fixation boss is slightly less than described blind
The depth in hole, the length A of the rotation stop boss are less than the length L of elongated through-hole on the cylinder；The cylinder, C-shaped bayonet lock
And the one end for making end cap have bayonet lock slot after end cap three assembly is protruded into cylinder, and C-shaped bayonet lock ontology is made to be embedded in the bayonet lock slot
And shallow slot, and the fixation is made to be inserted into the elongated through-hole that the blind hole, rotation stop are stretched out with boss on the cylinder with boss.
2. thin wall cylinder end-cap assembly described in accordance with the claim 1, which is characterized in that be arranged in the end face outside of the end cap
There are several to tighten hole, the circumference of the end cap outer end is annular convex edge, is provided with raised line on the annular convex edge top surface.
3. thin wall cylinder end-cap assembly according to claim 2, which is characterized in that the upper edge of the shallow slot to barrel port
Distance X on bayonet lock slot on the end cap along to the annular convex edge distance Y it is identical.
4. according to the described in any item thin wall cylinder end-cap assemblies of claim 1-3, which is characterized in that
The C-shaped bayonet lock ontology is circular ring shape jaggy, and the section of the C-shaped bayonet lock ontology is rectangular, described C-shaped bayonet lock
The integral structure being made of steel.
5. according to the described in any item thin wall cylinder end-cap assemblies of claim 1-3, which is characterized in that the cylinder is cylinder
Shape, the end cap are disc.
6. thin wall cylinder end-cap assembly according to claim 4, which is characterized in that the cylinder is cylindrical shape, described
End cap is disc.
7. a kind of assembly method of thin wall cylinder end-cap assembly as claimed in any one of claims 1 to 6, which is characterized in that including such as
Lower step:
(1) end cap is first inserted into cylinder, rotary end cover makes blind hole be directed at elongated through-hole；
(2) the fixation boss on bayonet lock is inserted into the blind hole of end cap from elongated through-hole again；
(3) then, hole rotary end cover is tightened with tool, C-shaped bayonet lock ontology is gradually transferred in cylinder with the rotation of end cap at this time,
And C-shaped bayonet lock ontology is fallen in shallow slot and bayonet lock slot, until the rotation stop on bayonet lock is stuck in elongated through-hole with boss.
8. the assembly method of thin wall cylinder end-cap assembly according to claim 7, which is characterized in that the step (1) and step
Suddenly (2) are assembled under normal temperature environment, after the completion of the step (2), to cylinder and end cap continuous heating, when temperature reaches
After certain value, then step (3) are carried out, after step (3) assembly, then stops heating.
9. the assembly method of thin wall cylinder end-cap assembly according to claim 8, which is characterized in that continue to cylinder and end cap
When heating, after temperature reaches 110-130 DEG C, then step (3) are carried out,
After step (3) assembly, stop heating and being put into cooling in oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092473.1A CN109723717A (en) | 2019-01-30 | 2019-01-30 | A kind of thin wall cylinder end-cap assembly and assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092473.1A CN109723717A (en) | 2019-01-30 | 2019-01-30 | A kind of thin wall cylinder end-cap assembly and assembly method |
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| Publication Number | Publication Date |
|---|---|
| CN109723717A true CN109723717A (en) | 2019-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910092473.1A Pending CN109723717A (en) | 2019-01-30 | 2019-01-30 | A kind of thin wall cylinder end-cap assembly and assembly method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4192225A (en) * | 1978-02-10 | 1980-03-11 | The Cessna Aircraft Company | Cylinder locking ring |
| CN2250315Y (en) * | 1996-04-25 | 1997-03-26 | 孙元志 | Internal clamping back-proof anti-fake wine bottle cap |
| US6402206B1 (en) * | 2000-05-10 | 2002-06-11 | John M. Simmons | Fitting for plastic tubing |
| CN203067568U (en) * | 2012-11-16 | 2013-07-17 | 日本精工株式会社 | Revolving supporting device and rolling bearing unit for same |
| JP2014037828A (en) * | 2012-08-14 | 2014-02-27 | General Electric Co <Ge> | Turbine aperture cap system |
| CN209569263U (en) * | 2019-01-30 | 2019-11-01 | 青岛力沃液压机械有限公司 | A kind of thin wall cylinder end-cap assembly |
-
2019
- 2019-01-30 CN CN201910092473.1A patent/CN109723717A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4192225A (en) * | 1978-02-10 | 1980-03-11 | The Cessna Aircraft Company | Cylinder locking ring |
| CN2250315Y (en) * | 1996-04-25 | 1997-03-26 | 孙元志 | Internal clamping back-proof anti-fake wine bottle cap |
| US6402206B1 (en) * | 2000-05-10 | 2002-06-11 | John M. Simmons | Fitting for plastic tubing |
| JP2014037828A (en) * | 2012-08-14 | 2014-02-27 | General Electric Co <Ge> | Turbine aperture cap system |
| CN203067568U (en) * | 2012-11-16 | 2013-07-17 | 日本精工株式会社 | Revolving supporting device and rolling bearing unit for same |
| CN209569263U (en) * | 2019-01-30 | 2019-11-01 | 青岛力沃液压机械有限公司 | A kind of thin wall cylinder end-cap assembly |
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