CN107803779B - Cylindrical hole snap spring assembling tool and its application - Google Patents
Cylindrical hole snap spring assembling tool and its application Download PDFInfo
- Publication number
- CN107803779B CN107803779B CN201710895431.2A CN201710895431A CN107803779B CN 107803779 B CN107803779 B CN 107803779B CN 201710895431 A CN201710895431 A CN 201710895431A CN 107803779 B CN107803779 B CN 107803779B
- Authority
- CN
- China
- Prior art keywords
- cylindrical hole
- boot segment
- wire circlip
- circlip
- pressure head
- Prior art date
- 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.)
- Active
Links
Classifications
-
- 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
-
- 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
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention discloses a kind of cylindrical hole wire circlip assembly tools and its application, assembly target part is hole wire circlip, tool has cylindrical body, the lower section of cylindrical body is boot segment, wire circlip is sleeved on the excircle of boot segment, boot segment outer diameter is less than cylindrical hole internal diameter, is inserted into boot segment in cylindrical hole, and be formed with circlip position between the outer circumference surface of boot segment and the inner wall of cylindrical hole；Outside the top surface of boot segment on ring position, annular step surface is radially convexed to form, ring-shaped step Middle face divides ring segment to be horizontal plane section, and another part ring segment is bevel phase inclined upwards；In horizontal plane section, protrusion is provided with axial pressure head axially downward, and axial pressure head is on the circumferential position where the wire circlip being sleeved on boot segment.Jump-ring slot can be smoothly pressed into for wire circlip by applying rotational pressure for inventive article, and process is simple, high-efficient.
Description
Technical field
The present invention relates to cylinder hole card spring, that is, hole elastic spring assembly tools, especially a kind of to connect in engine piston
When bar assembles, circle hole card spring, that is, hole elastic spring tool for assembling and its application used in piston pin.
Background technique
In engine piston connecting rod assembly, piston pin is to be installed using round hole with wire circlip, still, due to
There is no Circlip tongs handle hole on round hole wire circlip, can not be installed by existing Circlip tongs；In practical set,
Manually to be suppressed circlip into jump-ring slot using vice, this process is arduously time-consuming；Also have by being positioned to workpiece, utilize electricity
Circlip is pressed into tapering transition set by cylinder band dynamic head, is compressed by the guiding of transition sleeve, is made circlip deformation, reach matching requirements ruler
It is very little and be pressed into jump-ring slot；But not only assembling process is complicated for this mode, moreover, it is only suitable only for larger-size circle
Circlip, if circlip size itself is smaller, tapering transition set just must be small and thin, this wants the intensity for being unable to satisfy pressure head
It asks.
Summary of the invention
The present invention is to provide a kind of cylinder hole card spring assembler to avoid above-mentioned existing deficiencies in the technology
Tool and its application, assembly target part are hole wire circlip, manually or automatically apply a small amount of rotation using assembly tool
Turn pressure, wire circlip is smoothly pressed into jump-ring slot, simplifies process, improves efficiency.
The present invention adopts the following technical scheme that in order to solve the technical problem
Cylindrical hole of the present invention wire circlip assembly tool, assembly target part are hole wire circlip, and structure is special
Point is:
The tool has cylindrical body, is boot segment in the lower section of the cylindrical body, wire circlip is sleeved on guidance
On the excircle of section, the outer diameter of the boot segment is less than the internal diameter of cylindrical hole, is inserted into boot segment in the cylindrical hole,
And circlip position is formed between the outer circumference surface of boot segment and the inner wall of cylindrical hole；
Outside the top surface of the boot segment on ring position, annular step surface, the ring-shaped step have radially been convexed to form
Middle face divides ring segment to be horizontal plane section, and another part ring segment is bevel phase inclined upwards；In the horizontal plane section, along axis
It is provided with axial pressure head to downwardly convex, the axial direction pressure head is located at the circumference position where the wire circlip being sleeved on boot segment
It sets.
The design feature of cylindrical hole of the present invention snap spring assembling tool is lain also in: the axial direction pressure head is circumferentially arranged
One section of arc panel, smooth surface transition of the arc panel at both ends and the horizontal plane section of the annular step surface.
The design feature of cylindrical hole of the present invention snap spring assembling tool is lain also in: the horizontal plane section in the annular step surface
It is smooth transition between bevel phase.
The design feature of cylindrical hole of the present invention snap spring assembling tool is lain also in: being provided at the aperture of the cylindrical hole
Chamfering.
The design feature of cylindrical hole of the present invention snap spring assembling tool is lain also in: at the top of the cylindrical body, setting can
Drive the driving end of cylindrical body rotation.
The design feature of cylindrical hole of the present invention snap spring assembling tool is lain also in: taper is arranged in the bottom of the boot segment
Head.
The characteristics of present invention realizes the cylindrical hole method that wire circlip assembles using the assembly tool is by following step
It is rapid to carry out:
Wire circlip is sleeved on the boot segment of assembly tool by step 1, and the first end of wire circlip is in assembly tool
In axial pressure head position；
The bottom end of assembly tool is inserted into cylindrical hole by step 2, is compressed the first end of wire circlip using axial pressure head
In cylindrical hole in jump-ring slot；
Step 3, using on cylindrical body driving end rolling assembling tool cylindrical body, cylindrical body rotation when,
The holding of axial pressure head compresses wire circlip, with the rotation of cylindrical body, axial pressure head from the first end of wire circlip,
Entire wire circlip is gradually gradually pressed into jump-ring slot；
Step 4 takes out assembly tool completion assembly.
Compared with the prior art, the invention has the advantages that:
The present invention rotates manually or applies automatically a small amount of rotational pressure, using axial pressure head formed in the rotary course
Round circlip, can be smoothly pressed into jump-ring slot by track, and process is simple, high-efficient.
Detailed description of the invention
Fig. 1 is use state diagram of the present invention；
Fig. 2 is schematic structural view of the invention；
Fig. 2 a is boot segment sectional perspective structural schematic diagram in the present invention；
Fig. 2 b is boot segment left view schematic diagram in the present invention；
Fig. 2 c is boot segment right side view in the present invention；
Fig. 3 is the piston pin positioning states schematic diagram that the present invention is applied to engine piston connecting rod assembly；
Figure label: 1 wire circlip, 2 cylindrical bodies, 2a boot segment, 2b annular step surface, 2c axial direction pressure head, 2d driving
End, 2e conical head, 3 cylindrical holes, 4 pistons, 5 piston rods, 6 piston pins, 6a bellmouth.
Specific embodiment
Referring to Fig. 3, in the assembly of engine piston 4 and piston rod 5, piston pin 6 is to utilize both ends round hole steel
Silk circlip 1 is installed, and piston pin 6 is cylindrical body, and the inner hole of piston pin 6 is bellmouth 6a, cylinder in the present embodiment at both ends
The assembly target part of hole wire circlip assembly tool is hole wire circlip 1.
Referring to Fig. 1, Fig. 2, Fig. 2 a, Fig. 2 b and Fig. 2 c, assembly tool has cylindrical body 2 in the present embodiment, in cylinder sheet
The lower section of body 2 is boot segment 2a, and wire circlip 1 is sleeved on the excircle of boot segment 2a, and the outer diameter of boot segment 2a is less than cylinder
The internal diameter in hole 3 is inserted into boot segment 2a in cylindrical hole 3, and in the outer circumference surface of boot segment 2a and cylindrical hole 3
Circlip position is formed between wall.
Outside the top surface of boot segment 2a on ring position, annular step surface 2b, annular step surface 2b have radially been convexed to form
Middle part ring segment is horizontal plane section, and another part ring segment is bevel phase inclined upwards；In horizontal plane section, axially downward
Protrusion is provided with axial pressure head 2c, and axial pressure head 2c is located at the circumferential position where the wire circlip 1 being sleeved on boot segment 2b
On.
In specific implementation, in order to guarantee assembly tool rotation flexibly, setting axial direction pressure head 2c is one section be circumferentially arranged
Arc panel, smooth surface transition of the arc panel at both ends and the horizontal plane section of annular step surface 2b；Water on annular step surface 2b
Smooth transition is similarly between planar section and bevel phase；In order to enable wire circlip 1 to be smoothly pressed into jump-ring slot, in cylindrical hole 3
Aperture at be provided with chamfering；Cooperate to be formed with bellmouth 6a in cooperation piston pin, cone is set in the bottom of boot segment 2a
Forming head 2e；In order to implement to drive, the driving end 2d that setting can drive cylindrical body 2 to rotate at the top of cylindrical body 2, the driving
End 2d can directly be rotated with manual actuation, can also be assembled in automatically or semi-automatically equipment, realize do mechanization operation.
Realizing that cylindrical hole is assembled with wire circlip using assembly tool in the present embodiment is to carry out as follows:
Wire circlip 1 is sleeved on the boot segment 2a of assembly tool by step 1, and the first end of wire circlip 1 is in assembly
Axial pressure head 2c position in tool.
Step 2, by the bottom end of assembly tool insertion cylindrical hole 3, using axial pressure head 2c by the first end of wire circlip 1
It is pressed in cylindrical hole in jump-ring slot.
Step 3, using on cylindrical body 2 driving end 2d rolling assembling tool cylindrical body 2, at 2 turns of cylindrical body
When dynamic, axial pressure head 2c keeps compressing to wire circlip 1, and with the rotation of cylindrical body 2, axial pressure head 2c is from wire circlip
1 first end rises, and entire wire circlip 1 is gradually gradually pressed into jump-ring slot.
Step 4 takes out assembly tool completion assembly.
The present invention is adapted to fit the full-scale circlip of hole elastic spring.
Claims (5)
1. cylindrical hole wire circlip assembly tool, assembly target part is hole wire circlip (1), it is characterized in that:
The tool has cylindrical body (2), is boot segment (2a), wire circlip (1) set in the lower section of the cylindrical body (2)
On the excircle of boot segment (2a), the outer diameter of the boot segment (2a) is less than the internal diameter of cylindrical hole (3), makes boot segment (2a)
It is inserted into the cylindrical hole (3), and formed between the outer circumference surface of boot segment (2a) and the inner wall of cylindrical hole (3)
There is circlip position；
Outside the top surface of the boot segment (2a) on ring position, annular step surface (2b), the annular have radially been convexed to form
Part ring segment is horizontal plane section in step surface (2b), and another part ring segment is bevel phase inclined upwards；In the horizontal plane
Duan Shang, protrusion is provided with axial pressure head (2c) axially downward, and the axial direction pressure head (2c), which is located at, to be sleeved on boot segment (2b)
Wire circlip (1) where circumferential position on, the first end of wire circlip (1) is pressed on first using axial pressure head (2c)
In cylindrical hole in jump-ring slot；
The axial direction pressure head (2c) is one section of arc panel being circumferentially arranged, and the arc panel is at both ends and the annular step surface
The smooth surface transition of the horizontal plane section of (2b)；It is smooth between horizontal plane section and bevel phase on the annular step surface (2b)
Transition.
2. cylindrical hole snap spring assembling tool according to claim 1, it is characterized in that: in the aperture of the cylindrical hole (3)
Place is provided with chamfering.
3. cylindrical hole snap spring assembling tool according to claim 1, it is characterized in that: on the top of the cylindrical body (2)
The driving end (2d) that portion's setting can drive cylindrical body (2) to rotate.
4. cylindrical hole snap spring assembling tool according to claim 1, it is characterized in that: in the bottom of the boot segment (2a)
It is arranged conical head (2e).
5. the method that cylindrical hole is assembled with wire circlip is realized using assembly tool described in claim 1, it is characterized in that by as follows
Step carries out:
Wire circlip (1) is sleeved on the boot segment (2a) of assembly tool by step 1, and the first end of wire circlip (1) is in dress
With axial pressure head (2c) position in tool；
Step 2, by the bottom end of assembly tool insertion cylindrical hole (3), using axial pressure head (2c) by the first of wire circlip (1)
End is pressed in cylindrical hole in jump-ring slot；
Step 3, using the cylindrical body (2) of driving end (2d) rolling assembling tool on cylindrical body (2), in cylindrical body
(2) when rotating, axial pressure head (2c) keeps compressing wire circlip (1), with the rotation of cylindrical body (2), axial pressure head
(2c) is gradually pressed into jump-ring slot from the first end of wire circlip (1), by entire wire circlip (1)；
Step 4 takes out assembly tool completion assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710895431.2A CN107803779B (en) | 2017-09-28 | 2017-09-28 | Cylindrical hole snap spring assembling tool and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710895431.2A CN107803779B (en) | 2017-09-28 | 2017-09-28 | Cylindrical hole snap spring assembling tool and its application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107803779A CN107803779A (en) | 2018-03-16 |
| CN107803779B true CN107803779B (en) | 2019-11-15 |
Family
ID=61592506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710895431.2A Active CN107803779B (en) | 2017-09-28 | 2017-09-28 | Cylindrical hole snap spring assembling tool and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107803779B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085960B (en) * | 2019-12-12 | 2024-03-19 | 沈阳兴华航空电器有限责任公司 | Semi-automatic assembly equipment and assembly method for straight tail accessory and connecting nut |
| CN116511870B (en) * | 2023-07-04 | 2023-10-17 | 克恩-里伯斯(太仓)有限公司 | Installation method of anti-drop elastic retainer ring |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5035535B2 (en) * | 2007-09-28 | 2012-09-26 | 三菱自動車工業株式会社 | Circlip mounting tool |
| CN101700650B (en) * | 2009-11-26 | 2012-04-11 | 平高集团有限公司 | Assembly tooling of an elastic steel wire check ring |
| CN202964543U (en) * | 2012-10-30 | 2013-06-05 | 浙江吉利汽车研究院有限公司杭州分公司 | Mounting device for piston pin retainer of engine |
| CN104175285B (en) * | 2014-08-09 | 2017-08-25 | 广西玉柴机器股份有限公司 | A kind of cylinder cap fuel injector hole sealing ring installation tool and its installation method |
| CN106181857B (en) * | 2016-07-09 | 2017-12-29 | 东莞市华睿电子科技有限公司 | A kind of cast elastic component assembles device and method |
-
2017
- 2017-09-28 CN CN201710895431.2A patent/CN107803779B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107803779A (en) | 2018-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105234445B (en) | Pneumatic expanding chuck | |
| US2715028A (en) | Socketed wrench holder | |
| CN101396705B (en) | Metal barrel flanging device | |
| CN107803779B (en) | Cylindrical hole snap spring assembling tool and its application | |
| CN203541918U (en) | Device for rapidly positioning, clamping and welding corrugated plates | |
| CN104158108B (en) | cable pulling device | |
| CN105417235A (en) | LED lamp band rolling device | |
| CN107009318A (en) | Bearing disassembling device | |
| CN103567955A (en) | Double-handle type pull cap and pull bolt tool with quick-release pull rod | |
| CN207272633U (en) | A kind of gear shaft installs positioning mold | |
| CN202655438U (en) | Automatic continuous rotary drilling machine | |
| CN203817431U (en) | Special purpose machine tool capable of integrally processing motor cover | |
| CN213583289U (en) | Insulator press-connection machine with wide application range | |
| CN210550800U (en) | Special tool for installing steel wire check ring on VE pump distribution sleeve workpiece | |
| CN207514063U (en) | A kind of connecting rod ASSY | |
| CN204262781U (en) | The fixture of bent body class External Shape processing | |
| CN213360742U (en) | Core pin reusable self-plugging rivet | |
| CN208929046U (en) | A kind of Quick Connect Kit | |
| CN214133651U (en) | Cylinder rounding device | |
| CN114453998A (en) | Indexing fluted disc grinding positioning mechanism | |
| CN107553385A (en) | screw holder | |
| CN208961869U (en) | A kind of piston and oil barrel clamp for assembling | |
| CN202804731U (en) | Quick clamping device of lathe for shaft | |
| CN104476226A (en) | Contour processing clamp for bending part | |
| CN202684793U (en) | Clamping mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Baohe District of Hefei City, Anhui province 230051 Baohe Industrial Park Jianghuai heavy industry base Patentee after: Anhui Juyi Technology Co., Ltd Address before: Baohe District of Hefei City, Anhui province 230051 Baohe Industrial Park Jianghuai heavy industry base Patentee before: ANHUI JEE AUTOMATION EQUIPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |