CN110549299A - mounting tool for automatic guiding and limiting of steel wire check ring for hole - Google Patents
mounting tool for automatic guiding and limiting of steel wire check ring for hole Download PDFInfo
- Publication number
- CN110549299A CN110549299A CN201910762044.0A CN201910762044A CN110549299A CN 110549299 A CN110549299 A CN 110549299A CN 201910762044 A CN201910762044 A CN 201910762044A CN 110549299 A CN110549299 A CN 110549299A
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- CN
- China
- Prior art keywords
- sleeve
- screw rod
- steel wire
- tool
- retainer ring
- Prior art date
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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
- B25B27/14—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
- B25B27/30—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 positioning or withdrawing springs, e.g. coil or leaf springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention belongs to the technical field of tool assembly, and relates to a mounting tool for automatic guiding and limiting of a steel wire check ring for a hole, which comprises an end seat (1), a screw rod (2), a pressing sleeve (3), a guide sleeve (4), a mounting sleeve (5), a pin (6) and a nut (7); end seat (1) right-hand member plain noodles is used for the part location, install on end seat (1) screw rod (2) and round pin (6), press cover (3) to overlap on screw rod (2), carry on spacingly to installation cover (5), installation cover (5) carry on spacingly to guide pin bushing (4), guide pin bushing (4) carry on spacingly to the steel wire retaining ring, nut (7) are installed on screw rod (2) through threaded connection, drive through the screw drive between the two and press cover (3), the assembly of steel wire retaining ring is realized to installation cover (5). The switching positioning guide between the positioning shaft and the positioning sleeve is utilized, and the screw motion of the threads is converted into axial displacement to compress, so that the compression of the spring seat and the spring and the positioning and moving of the steel wire check ring are realized.
Description
Technical Field
the invention belongs to the technical field of tool assembly, relates to the assembly technology of a hydraulic mechanical actuating mechanism of an aircraft engine fuel control system, and particularly relates to a mounting tool for automatic guiding and limiting of a steel wire check ring for a hole, which can realize quick positioning and mounting.
Background
the retainer ring is also called a snap spring and is divided into a hole retainer ring and a shaft retainer ring, so that the axial limiting function is realized, and the axial movement of other parts can be prevented. For a general retainer ring, the retainer ring can be installed by using retainer ring pliers, a steel wire retainer ring (shown in a schematic diagram in fig. 1) does not have a good force application point, has small elasticity, is easy to slip and even break by using a common installation method, can damage an assembly part, and needs to press a spring 10 and a spring seat 9 to a certain position to install a retainer ring 8 into a retainer ring groove in the assembly process, as shown in fig. 2, the installation difficulty is high, and the requirements on installation skill and experience of an operator are high.
The existing installation tool is poor in positioning effect, large in compression deformation of the steel wire check ring, not easy to operate during installation and use, and needs to be adjusted after installation.
disclosure of Invention
The purpose of the invention is: in order to solve the problems, the invention designs a portable mounting tool which has controllable shrinkage, can guide mounting, limiting and compress a spring to a required position, is small in appearance and convenient to operate, and can automatically guide and limit a hole steel wire retainer ring.
In order to solve the technical problem, the technical scheme of the invention is as follows:
a portable mounting tool for automatic guiding and limiting of a steel wire check ring for a hole is used for mounting a check ring 8 and a spring 10 in a hole of a part main body 11 and comprises an end seat 1, a screw rod 2, a pressing sleeve 3, a guide sleeve 4, a mounting sleeve 5, a pin 6 and a nut 7;
the screw rod 2 is a positioning long shaft with steps, and the left end and the right end of the screw rod are respectively connected with the end seat 1 and the nut 7;
The right end of the end seat 1 is a smooth surface, and the smooth surface of the right end is used for positioning parts and tooling sleeves;
The right end face of the end seat 1 is attached to the left end face of the step of the screw rod 2;
the pressing sleeve 3 and the mounting sleeve 5 are cylindrical sleeves;
The part main body 11 and the pressing sleeve 3 are sequentially sleeved on the screw rod 2 and are positioned between the end seat 1 and the nut 7;
The part main body 11 is in sliding fit with the step excircle of the screw rod 2;
the pressing sleeve 3 is in sliding fit with the screw rod 2;
the outer diameter of the pressing sleeve 3 is in sliding fit with the inner diameter of the mounting sleeve 5; limiting the installation sleeve 5;
the outer diameter of the mounting sleeve 5 is in sliding fit with the inner diameter of the guide sleeve 4, and the guide sleeve 4 is limited;
the axial length of the pressing sleeve 3 is greater than that of the mounting sleeve 5, and the length difference meets the following requirements:
after the installation is finished, the spring seat 9 and the retainer ring 8 have a clearance of not more than 0.5 mm.
The sliding fit clearance between the part main body (11) and the screw rod (2) is 0.01-0.02 mm;
The sliding fit clearance between the pressing sleeve (3) and the screw rod (2) is 0.01-0.03 mm;
The sliding fit clearance between the mounting sleeve (5) and the guide sleeve (4) is 0.01-0.03 mm.
Preferably, the orifice at the right end of the guide sleeve 4 has a taper angle, and the taper angle is 60-90 degrees, so that the check ring 8 can conveniently enter the orifice;
Preferably, the left end of the end seat 1 is provided with a pin 6 for fixing the end seat 1 and the screw rod 2;
Preferably, the right ends of the guide sleeve 4 and the mounting sleeve 5 are provided with handheld excircles;
preferably, the end seat 1, the nut 7, has a knurling on the outer circumference.
Preferably, the guide sleeve 4 is a cylindrical sleeve.
the invention has the beneficial effects that: the invention aims to simplify the installation of a steel wire check ring by means of an installation tool. The mounting tool is small and exquisite, can guarantee the installation accuracy, has realized once installing and has targetd in place, and the quality is reliable, reduces the requirement to operative employee skill level. This mounting tool can better solution:
1, the steel wire retainer ring has small elasticity, is easy to break when slipping and has poor control on the magnitude of the compression force;
2, the steel wire retainer ring is inclined and deviates from the reference of the matched retainer ring groove in the installation process;
3 the center positioning is inconvenient and the spring is in overpressure. The operation method is simple, the used tool is small and exquisite and easy to carry, the center positioning is accurate, secondary adjustment after installation is not needed, and the primary installation qualification rate of the steel wire check ring for the hole can reach 100%.
drawings
in order to more clearly illustrate the technical solution of the present invention, the drawings used in the embodiment of the present invention will be briefly explained. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a schematic representation of a wire retainer ring component;
FIG. 2 is a diagrammatic illustration of the assembled relationship of the wire retainer ring and the assembly;
FIG. 3 is a schematic view of an installation tool for automatic guiding and limiting of a steel wire retainer ring for a hole according to the present invention;
FIG. 4 is a schematic view of a screw;
FIG. 5 is a large diagram of the method of I in FIG. 3; namely, the contact surface of the mounting tool is enlarged after the mounting tool is assembled in place;
FIG. 6 is a schematic view of the taper angle of the guide sleeve;
In the figure, 1-end seat, 2-screw rod, 3-pressing sleeve, 4-guide sleeve, 5-mounting sleeve, 6-pin, 7-nut, 8-steel wire retainer ring, 9-spring seat, 10-spring, 11-part body, alpha is taper angle, and L is guaranteed to be 0-0.5mm when in a pressing state after mounting.
Detailed Description
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all 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.
features of various aspects of embodiments of the invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without these specific details. The following description of the embodiments is merely intended to better understand the present invention by illustrating examples thereof. The present invention is not limited to any particular arrangement or method provided below, but rather covers all product structures, any modifications, alterations, etc. of the method covered without departing from the spirit of the invention.
In the drawings and the following description, well-known structures and techniques are not shown to avoid unnecessarily obscuring the present invention. The invention is described in further detail below with reference to fig. 3.
the working principle of the mounting tool for automatically guiding and limiting the steel wire check ring for the hole is that the switching positioning guide between a positioning shaft and a positioning sleeve is utilized, and the screw motion of threads is converted into axial displacement to be compressed, so that the compression of a support and a spring and the positioning and moving of the steel wire check ring are realized. The screw thread is screwed in and out, and the steel wire check ring can be pressed to a specified position to complete the assembly of the steel wire check ring.
A mounting tool for automatic guiding and limiting of a steel wire check ring for a hole comprises an end seat 1, a screw rod 2, a pressing sleeve 3, a guide sleeve 4, a mounting sleeve 5, a pin 6 and a nut 7; the smooth surface and the outer circular surface of the right end of the end seat 1 are used for positioning the part 11, the structural schematic diagram of the screw rod 2 is shown in fig. 4, and the sliding fit clearance between the part body 11 and the screw rod 2 is 0.01-0.02 mm; the screw rod 2 and the pin 6 are arranged on the end seat 1, the pressing sleeve 3 is sleeved on the screw rod 2 and is in sliding fit with the screw rod 2, and the gap is 0.01-0.03 mm; the mounting sleeve 5 is limited, the mounting sleeve 5 is used for limiting the guide sleeve 4, and the sliding fit clearance between the mounting sleeve 5 and the guide sleeve 4 is 0.01-0.03 mm; the guide sleeve 4 limits the steel wire check ring 8, the nut 7 is installed on the screw rod 2 through threaded connection, and the pressing sleeve 3 and the installation sleeve 5 are driven through threaded transmission between the guide sleeve and the screw rod to realize assembly of the steel wire check ring 8.
The orifice at the right end of the guide sleeve 4 is provided with a cone angle which is 60-90 degrees, so that the check ring 8 can conveniently enter; the guide sleeve 4 in this embodiment is a cylindrical sleeve, but may have other shapes.
when installing the steel wire retaining ring, place mounting tool vertically, end seat 1 is down. The part main body 11 is sleeved on the screw rod 2, the end face of the part main body is attached to the right end face of the end seat 1, a spring 10 and a support 9 are installed, and the pressing sleeve 3 is installed; the steel wire check ring 8 is arranged in the guide sleeve 4, the installation sleeve 5 is used for installing the steel wire check ring 8 in the middle lower position of the guide sleeve 4, the installation sleeve 5 and the steel wire check ring 8 are sleeved on the part pressing sleeve 3, and then the nut 7 is arranged; the mounting tool is picked up by two hands, the end seat 1 is held by one hand, the nut 7 is rotated by one hand, the nut 7 is contacted with the pressing sleeve 3, the support 9 is acted on the spring 10 by the force of the pressing sleeve 3 at the moment, the spring 10 is compressed, when the nut 7 is compressed to a position, the nut 7 is contacted with the mounting sleeve 5, the pressing sleeve 3 and the mounting sleeve 5 are simultaneously pressed, when the nut 7 is rotated to a preset size, the left end face of the nut 7 is contacted with the right end step face of the screw rod 2, the expanding sound of the steel wire retainer ring 8 can be heard, and the steel wire retainer ring is arranged in a retainer ring groove of the part main body 11 at the moment; and reversely screwing down the nut 7, detaching the pressing sleeve 3, the guide sleeve 4 and the mounting sleeve 5, and taking out the assembly body of the steel wire retainer ring 8, the spring seat 9, the spring 10 and the part main body 11.
finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention.
Claims (9)
1. the utility model provides a spacing mounting tool of downthehole steel wire retaining ring automatic guide for at downthehole installation retaining ring (8) and spring (10) of part main part (11), its characterized in that: the mounting tool comprises an end seat (1), a screw (2), a pressing sleeve (3), a guide sleeve (4), a mounting sleeve (5), a pin (6) and a nut (7);
The screw (2) is a positioning long shaft with steps, and the left end and the right end of the screw are respectively connected with the end seat (1) and the nut (7);
The right end of the end seat (1) is a smooth surface;
The right end face of the end seat (1) is attached to the left end face of the step of the screw (2);
the pressing sleeve (3) and the mounting sleeve (5) are cylindrical sleeves;
The part main body (11) and the pressing sleeve (3) are sequentially sleeved on the screw rod (2) and are positioned between the end seat (1) and the nut (7);
the part main body (11) is in sliding fit with the step excircle of the screw rod (2);
The pressing sleeve (3) is in sliding fit with the screw rod (2);
the outer diameter of the pressing sleeve (3) is in sliding fit with the inner diameter of the mounting sleeve (5);
the outer diameter of the mounting sleeve (5) is in sliding fit with the inner diameter of the guide sleeve (4);
The axial length of the pressing sleeve (3) is greater than that of the mounting sleeve (5), and the length difference meets the following requirements:
after the installation is finished, the spring seat (9) and the retainer ring (8) have a clearance not larger than 0.5 mm.
2. The installing tool for automatic guiding and limiting of the steel wire retainer ring for the hole according to claim 1, is characterized in that:
the sliding fit clearance between the part main body (11) and the screw rod (2) is 0.01-0.02 mm;
The sliding fit clearance between the pressing sleeve (3) and the screw rod (2) is 0.01-0.03 mm;
The sliding fit clearance between the mounting sleeve (5) and the guide sleeve (4) is 0.01-0.03 mm.
3. The installing tool for automatic guiding and limiting of the steel wire retainer ring for the hole according to claim 2, is characterized in that: the right end hole of the guide sleeve (4) is provided with a taper angle.
4. The installing tool for automatic guiding and limiting of the steel wire retainer ring for the hole according to claim 3, is characterized in that: the angle range of the taper angle is 60-90 degrees.
5. The installing tool for automatic guiding and limiting of the steel wire retainer ring for the hole according to claim 2, is characterized in that: and a pin (6) for fixing the end seat (1) and the screw rod (2) is arranged at the joint of the left end of the end seat (1) and the screw rod (2).
6. a tool for installing a hole-use wire retainer ring for automatic guiding and limiting according to any one of claims 2 to 5, characterized in that: the right ends of the guide sleeve (4) and the installation sleeve (5) are provided with handheld excircles.
7. a tool for installing a hole-use wire retainer ring for automatic guiding and limiting according to any one of claims 2 to 5, characterized in that: and the outer circles of the end seat (1) and the nut (7) are provided with knurls.
8. A tool for installing a hole-use wire retainer ring for automatic guiding and limiting according to any one of claims 2 to 5, characterized in that: the guide sleeve (4) is a cylindrical sleeve.
9. a tool for installing a hole-use wire retainer ring for automatic guiding and limiting according to any one of claims 2 to 5, characterized in that: the screw rod (2) is in threaded connection with the end seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910762044.0A CN110549299B (en) | 2019-08-16 | 2019-08-16 | Mounting tool for automatic guiding and limiting of steel wire check ring for hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910762044.0A CN110549299B (en) | 2019-08-16 | 2019-08-16 | Mounting tool for automatic guiding and limiting of steel wire check ring for hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110549299A true CN110549299A (en) | 2019-12-10 |
| CN110549299B CN110549299B (en) | 2021-09-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910762044.0A Active CN110549299B (en) | 2019-08-16 | 2019-08-16 | Mounting tool for automatic guiding and limiting of steel wire check ring for hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110549299B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111890309A (en) * | 2020-06-19 | 2020-11-06 | 中国船舶重工集团公司第七0七研究所 | Tool for mounting buffer base shock isolator spring and mounting method adopting tool |
| CN112589437A (en) * | 2020-12-12 | 2021-04-02 | 贵州永红航空机械有限责任公司 | Steel wire retainer ring assembling clamp and method for temperature and pressure sensing valve hole |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08150522A (en) * | 1994-11-24 | 1996-06-11 | Honda Motor Co Ltd | Retaining ring press-in device |
| CN201235526Y (en) * | 2008-04-15 | 2009-05-13 | 哈尔滨飞机工业集团有限责任公司 | Circlip pressing in tool |
| CN104907999A (en) * | 2015-06-20 | 2015-09-16 | 苏州蓝王机床工具科技有限公司 | Blind hole inner shaft sleeve detachment device |
| CN106078618A (en) * | 2016-08-08 | 2016-11-09 | 江苏西玛环境科技有限公司 | The assembly tooling of circlip for hole and assembly method thereof |
| JP6041189B2 (en) * | 2012-06-13 | 2016-12-07 | いすゞ自動車株式会社 | Snap ring mounting jig |
| CN108838653A (en) * | 2018-07-19 | 2018-11-20 | 浙江亚太机电股份有限公司 | A kind of device of push rod and circlip for hole while that assemble clutch master cylinder |
| CN109202808A (en) * | 2017-06-30 | 2019-01-15 | 河南平高通用电气有限公司 | The mounting tool of hole retainer ring |
| CN208557360U (en) * | 2018-06-29 | 2019-03-01 | 永年县海翔机械厂 | A kind of flood nozzle component circlip for hole installation tool |
-
2019
- 2019-08-16 CN CN201910762044.0A patent/CN110549299B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08150522A (en) * | 1994-11-24 | 1996-06-11 | Honda Motor Co Ltd | Retaining ring press-in device |
| CN201235526Y (en) * | 2008-04-15 | 2009-05-13 | 哈尔滨飞机工业集团有限责任公司 | Circlip pressing in tool |
| JP6041189B2 (en) * | 2012-06-13 | 2016-12-07 | いすゞ自動車株式会社 | Snap ring mounting jig |
| CN104907999A (en) * | 2015-06-20 | 2015-09-16 | 苏州蓝王机床工具科技有限公司 | Blind hole inner shaft sleeve detachment device |
| CN106078618A (en) * | 2016-08-08 | 2016-11-09 | 江苏西玛环境科技有限公司 | The assembly tooling of circlip for hole and assembly method thereof |
| CN109202808A (en) * | 2017-06-30 | 2019-01-15 | 河南平高通用电气有限公司 | The mounting tool of hole retainer ring |
| CN208557360U (en) * | 2018-06-29 | 2019-03-01 | 永年县海翔机械厂 | A kind of flood nozzle component circlip for hole installation tool |
| CN108838653A (en) * | 2018-07-19 | 2018-11-20 | 浙江亚太机电股份有限公司 | A kind of device of push rod and circlip for hole while that assemble clutch master cylinder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111890309A (en) * | 2020-06-19 | 2020-11-06 | 中国船舶重工集团公司第七0七研究所 | Tool for mounting buffer base shock isolator spring and mounting method adopting tool |
| CN112589437A (en) * | 2020-12-12 | 2021-04-02 | 贵州永红航空机械有限责任公司 | Steel wire retainer ring assembling clamp and method for temperature and pressure sensing valve hole |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110549299B (en) | 2021-09-28 |
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Effective date of registration: 20230522 Address after: 102200 No.3, No.1, No.2, Huoju street, Changping Town, Changping District, Beijing Patentee after: BEIJING AERO LEVER PRECISION LTD. Address before: 102200 No.1, Lixiang Road, science and Technology Park, Changping District, Beijing Patentee before: CHINA AEROSPACE BEIJING HANGKE ENGINE CONTROL SYSTEM TECHNOLOGY Co.,Ltd. |
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