WO2004043651A2 - 止め輪用取付工具 - Google Patents
止め輪用取付工具 Download PDFInfo
- Publication number
- WO2004043651A2 WO2004043651A2 PCT/JP2003/014169 JP0314169W WO2004043651A2 WO 2004043651 A2 WO2004043651 A2 WO 2004043651A2 JP 0314169 W JP0314169 W JP 0314169W WO 2004043651 A2 WO2004043651 A2 WO 2004043651A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- retaining ring
- holder
- recess
- play
- mounting tool
- Prior art date
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
- B25B27/14—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
- B25B27/20—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 inserting or withdrawing split pins or circlips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/08—Machines for placing washers, circlips, or the like on bolts or other members
- B23P19/084—Machines for placing washers, circlips, or the like on bolts or other members for placing resilient or flexible rings, e.g. O-rings, circlips
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53613—Spring applier or remover
- Y10T29/5363—Circular spring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53709—Overedge assembling means
- Y10T29/53783—Clip applier
Definitions
- the present invention relates to a mounting tool used when fitting a retaining ring having an opening, such as a C-type and an E-type retaining ring, to a shaft.
- an arc-shaped notch slightly larger than a semicircle is provided in a retaining portion of the retaining ring so as not to come into contact with the shaft when the retaining ring is fitted to the shaft.
- a groove was formed to hold the retaining ring, and a slit was formed in the central vertical direction of the notch and groove.
- the outer diameter of the retaining ring was inserted into the groove of the retaining part with the opening facing the tip. Later, when the opening of the retaining ring is applied to the shaft and the mounting tool is pressed, the retaining ring is slightly pushed and widened, and the holding part is also pushed and widened, so that the retaining ring is fitted to the shaft.
- Patent Documents 1 to 6 Many have been found (see, for example, Patent Documents 1 to 6).
- Patent Document 1 Japanese Utility Model Application Publication No. 52-310110 (Fig. 1)
- Patent Document 2 Japanese Patent Application Laid-Open No. 53-148800 (Page 2, FIG. 1)
- Patent Document 3 Japanese Utility Model Publication No. 6-16654 (Page 2, (Figs. 1 and 2)
- Patent Document 4 Japanese Utility Model Application Laid-Open No. 7-40076 (Page 6, FIG. 2)
- Patent Document 5 Registered Utility Model No. 301010240 (No. 6 ⁇ Page 7, Figure 10)
- Patent Document 6 Japanese Patent Application Laid-Open No. H11-28680 (Page 2, FIG. 4)
- the holding portion at the tip of the tool at the time of fitting is used.
- it will be deformed by the pushing force at the time of fitting and it will not be able to be fitted, so a certain strength will be required.
- the present invention has been made in view of the problem that the tool side must be deformed when the retaining ring is fitted to the shaft, based on the above-described conventional technology, and at least the front surface of the retaining ring is provided on a holder provided at the tip of the tool body.
- a member located on one side is provided, and a contact portion at a position opposite to the opening on the outer peripheral surface of the retaining ring is disposed behind the tip of the plate member, and the retaining ring is easily detached from the holder.
- Possible retaining means are provided, and there is an evacuation space on both sides of the retaining ring in the mounted state, so if the retaining ring is attached to such a holder, the retaining ring will not fall off by the retaining
- the above problem is solved by preventing the retaining ring from contacting the holder side even if the retaining portion pushes the retaining ring during the fitting operation and the retaining ring is slightly expanded.
- a plate member located at least on one side of the front surface of the retaining ring is provided on a holder provided at the tip of the tool body, and the outer peripheral surface of the retaining ring is provided behind the leading end of the plate member.
- the abutment on the side opposite to the opening in is arranged, so one of the front and back surfaces of the retaining ring is supported by the plate member, and the abutting part pushes the mounted retaining ring toward the shaft to be mounted.
- the retaining ring is attached to the holder, and the retaining ring is attached to the holder, so that the retaining ring can be attached to the holder. It can be carried, and the retaining ring can be easily detached from the holder after fitting on the shaft.
- a recess is formed on the tip end surface of the holder so that at least the portion of the retaining ring opposite to the opening is loosely inserted.
- the front and rear portion of the free insertion recess in the holder is a plate member, and the inner peripheral surface of the free recess is formed.
- the rear part of the ring is a contact part, and the above-mentioned fall prevention means is provided in the play insertion concave part, so that both the front and back surfaces of the retaining ring can be supported by the plate member. Can be suppressed.
- the retaining ring position regulating means in the mounted state is provided on the holder, the rotation of the retaining ring with respect to the holder during the fitting operation of the retaining ring can be stopped slightly, so that the pushing force remains unchanged. It can be easily fitted.
- a concave portion is formed in the distal end surface of the holder to play at least a portion of the retaining ring opposite to the opening, and a portion of the front end of the free insertion concave portion at the distal end of the holder is a plate member. Since both the front and rear surfaces of the retaining ring can be supported by the plate member, it is possible to prevent the retaining ring from being detached from the holder during fitting.
- a projection formed in the notch of the retaining ring in the attached state, formed on the inner side of the play recess, is used as a position regulating means, and a rear portion of the inner peripheral surface of the play recess is used as a contact portion. Since the falling-off preventing means is provided in the concave portion, the retaining ring having a cut in a portion of the retaining ring opposite to the opening can be attached to the holder by the falling-off preventing means.
- the retaining ring cannot be attached to the holder.Therefore, attach the retaining ring to the holder in the correct position for easy fitting work. And the projection is located in the notch of the retaining ring, so even if the retaining ring attached to the holder rotates, the projection abuts on both inner edges of the notch and slightly Since it can be stopped as it rotates, the pushing force of the retaining ring mounting tool can be transmitted as it is, and the retaining ring can be fitted more easily.
- the dimension between the tip of the holder and the abutment is wider than the inner and outer widths of the retaining ring, and a relief notch is formed at the tip of the holder to completely expose the central hole.
- the tip of the holder does not contact the shaft, and the retaining ring can be securely fitted to the shaft.
- the inner peripheral surface of the play insertion recess is defined as a circumferential surface having a diameter larger than the outer diameter of the retaining ring, and the evacuation space is formed between the outside of both sides of the retaining ring in the mounted state and both ends of the inner peripheral surface of the play recess.
- the retaining ring can be easily inserted into the play recess, and the outer surface of the retaining ring on the side opposite to the opening is the inner part of the inner surface of the play insertion recess.
- the contact portion can be reliably contacted with the contact portion of
- a step is formed in the middle of both ends of the inner surface of the play insertion recess, and the portion between the steps on the inner surface is made substantially the same diameter as the outer diameter of the retaining ring.
- the positioning of the retaining ring can be performed reliably, and both ends of the inner peripheral surface are made larger in diameter than the outer diameter of the retaining ring. Since the evacuation space is provided between the inner peripheral surface and the inner peripheral surface, it is possible to prevent the outer peripheral surface of the retaining ring W from abutting on one side of the holder when fitted.
- the drop-out prevention means is a fitting projection provided at the center of the contact portion, a retaining ring having a cut at a portion of the retaining ring opposite to the opening is attached to the holder, that is, inserted into the notch. It can be installed by press-fitting the protrusion.
- the drop-out prevention means is a stenosis site formed in the play recess, a clamping plate whose base end is integrated with the holder, or a magnet embedded in the place where the retaining ring abuts on the holder.
- the ring can be easily attached to the holder, and can be easily removed from the holder.
- a slit is formed at the center of the holder, and the projections provided at two locations on the inner side of the play recess are used as holding means, and the dimension between the projections is set opposite to the opening of the retaining ring.
- the cut between the two corners of the side part is set to be smaller than the dimension between the opening corners near the center, the difference between the dimension between the projections and the dimension between the opening corners is very small, so stop
- the holder is deformed by expanding the slit at the time of mounting the ring, it can be deformed with a small force, so it is possible to easily attach and detach the retaining ring, and at the time of fitting to the shaft Since the holder is not deformed, the snap ring can be easily fitted.
- a pair of elastic members protruding from the inner bottom surface of the play recess are used as holding means, and the distance between the elastic members is set at an opening closer to the center side in a cut provided at two places opposite to the opening of the retaining ring. Since it is set smaller than the distance between the corners, it is only necessary to deform the elastic body at the time of mounting, so the retaining ring can be easily attached, and the elastic restoring force of the elastic body in the attached state Since the holding force and the positioning are maintained, the pushing force of the retaining ring mounting tool can be transmitted as it is, and the practical effect such as easy fitting of the retaining ring is extremely large.
- FIG. 1 is a front view of a tip portion of a first embodiment of a snap ring mounting tool according to the present invention
- FIG. 2 is a bottom view of FIG. 1
- FIG. FIG. 4 is a sectional view of A
- FIG. 4 is a front view of a front end of a second embodiment of the snap ring mounting tool
- FIG. 5 is a bottom view of FIG. 4
- FIG. 6 is
- FIG. 7 is a front view of the tip of the third embodiment of the retaining ring mounting tool
- FIG. 8 is a bottom view of FIG. 7,
- FIG. 9 is a sectional view of FIG.
- FIG. 10 is a cross-sectional view taken along the line C-C of FIG. 7, FIG.
- FIG. 10 is a front view of the tip of the fourth embodiment of the snap ring attaching tool
- FIG. 11 is a bottom view of FIG. 10
- FIG. 12 is a sectional view taken along line D--D of FIG. 10
- FIG. 13 is a front view of the tip of the fifth embodiment of the snap ring mounting tool
- FIG. FIG. 13 is a bottom view of FIG. 13
- FIG. 15 is a cross-sectional view taken along line E--E of FIG. 13
- FIG. 16 is a front view of a tip portion of the sixth embodiment of the snap ring mounting tool.
- FIG. 17 is a bottom view of FIG. 16
- FIG. 18 is a sectional view taken along line F--F of FIG. 16
- FIG. 19 is a seventh embodiment of the snap ring mounting tool.
- FIG. 17 is a bottom view of FIG. 16
- FIG. 18 is a sectional view taken along line F--F of FIG. 16
- FIG. 19 is a seventh embodiment of the snap
- FIG. 20 is a front view of the tip of the example, FIG. 20 is a bottom view of FIG. 19, FIG. 21 is a cross-sectional view taken along line GG of FIG. 19, and FIG. FIG. 23 is a front view of a distal end portion of an eighth embodiment of the mounting fixture for the present invention, FIG. 23 is a bottom view of FIG. 22, and FIG. 24 is a sectional view taken along the line H--H of FIG.
- FIG. 25 is a front view of the distal end of the ninth embodiment of the snap ring mounting tool, FIG. 26 is a bottom view of FIG. 25, and FIG. 27 is FIG. 28 is a cross-sectional view of FIG. 28, FIG.
- FIG. 28 is a front view of the tip of the tenth embodiment of the snap ring attaching tool
- FIG. FIG. 30 is a sectional view taken along the line J--J in FIG. 28
- FIG. 31 is a front view of the tip of the first embodiment of the snap ring mounting tool
- Fig. 31 is a bottom view of Fig. 31.
- Fig. 33 is a cross-sectional view taken along line KK of Fig. 31.
- Fig. 34 is a front end portion of the 13th embodiment of the snap ring mounting tool.
- FIG. 35 is a bottom view of FIG. 34
- FIG. 36 is a sectional view taken along line L--L of FIG. 34
- FIG. FIG. 38 is a front view of the tip portion of the 14th embodiment, FIG.
- FIG. 38 is a bottom view of FIG. 37
- FIG. 39 is a sectional view taken along line M--M of FIG.
- FIG. 0 is a front view of the distal end portion of the fifteenth embodiment of the snap ring mounting tool
- FIG. 41 is a bottom view of FIG. 40
- FIG. FIG. 43 is a cross-sectional view
- FIG. 43 is a front view of the distal end portion of the 16th embodiment of the snap ring mounting tool
- FIG. 44 is a bottom view of FIG.
- FIG. 45 is a cross-sectional view taken along line P--P of FIG. 43
- FIG. 46 is a front view of the tip of the 17th embodiment of the snap ring mounting tool
- FIG. FIG. 46 is a bottom view of FIG. 46, FIG.
- FIG. 48 is a sectional view taken along line Q--Q of FIG. 46
- FIG. 49 is a front view of a tip portion of the 18th embodiment of the retaining ring mounting tool.
- Fig. 50 is a bottom view of Fig. 49
- Fig. 51 is a cross-sectional view of R-R of Fig. 49
- Fig. 52 is a mounting tool for retaining ring.
- FIG. 53 is a front view of the distal end portion of the 19th embodiment
- FIG. 53 is a bottom view of FIG. 52
- FIG. 54 is a sectional view taken along line S—S of FIG. 52
- FIG. The figure is a front view of the tip of the 19th embodiment of the snap ring mounting tool
- FIG. 56 is a bottom view of FIG.
- FIG. 60 is a schematic view of another embodiment of FIG. 59
- FIG. 61 is a step diagram showing a mounting process of a retaining ring
- FIG. It is a front view which shows the retaining ring.
- the tip of the retaining ring mounting tool is a flat holder 1 formed so as not to come into contact with the retaining ring W before the retaining ring W is fitted to the axis S.
- a plate member 2 (2a) located at least on one side of the back surface is provided, and a contact portion at a position opposite to the opening Y on the outer peripheral surface of the retaining ring W is provided behind the tip of the plate member 2 (2a). 3 are arranged.
- the holder 1 described above is provided with a drop-preventing means 4 that allows the retaining ring W to be easily detached. After the retaining ring W is pushed into the shaft and mounted, the mounting tool is pulled out. It comes off easily.
- the holder 11 is formed such that the escape spaces 5 and 5a are located outside the both sides of the retaining ring W in the mounted state.
- the tip end surface of the holder 1 at least a portion of the retaining ring W opposite to the opening Y is loosely inserted to form a recess 6 having a horizontally long opening, and the play recess 6 in the holder 1 is formed.
- the front-rear side portion is the plate member 2, 2 a
- the inner portion of the play concave portion 6 on the inner peripheral surface is the contact portion 3
- the play insertion concave portion 6 is provided with the drop-off preventing means 4.
- retaining ring W differs depending on the type of retaining ring W, and is used to fit a general retaining ring W, and a retaining ring W with a cut V formed on the opposite side of the opening Y There are things you use to do.
- FIG. 1 to 3 are a front view, a bottom view, and a cross-sectional view taken along the line AA of FIG. 1 of the distal end portion of the first embodiment.
- a recess 6 is formed, and a semicircular relief notch 7 is formed at the tip of the holder 1.
- the inner diameter of the inner surface of the relief notch 7 is made larger than the inner diameter of the center hole X of the retaining ring W, and the inner diameter of the circumferential bottom surface of the play recess 6 is made larger than the outer diameter of the retaining ring W.
- the stenosis part 9 formed in a part of the play recess 6 is used as the fall-off prevention means 4, and the width of the play recess 6 is gradually reduced from both ends of the cut 5 toward the innermost part, so that play is prevented.
- a stenosis part 9 slightly narrower than the thickness of the retaining ring W is formed at the innermost part of the notch 5 in the concave part 6 to serve as the fall-off prevention means 4.
- FIGS. 4 and 7 are front views of the tip of the second and third embodiments
- FIGS. 5 and 8 are bottom views of FIGS. 4 and 7
- FIGS. FIG. 9 is a sectional view taken along the line C-C in the same manner as in the first and second embodiments.
- a semicircular relief notch ⁇ is formed in the portion, and evacuation spaces 5 and 5a are formed between both side portions of the retaining ring W and the circumferential bottom surface of the play recess 6, but the width of the play insertion recess 6 is formed. Is constant and slightly wider than the retaining ring W.
- one of the opposing inner side surfaces of the play recess 6 has a ridge shape and a contact portion having a linear contact portion.
- the protrusions 10 (three in the drawing) are integrally formed, and in the second embodiment, as shown in FIGS. 7 to 9, one of the inner surfaces of one side of the relief notch 7 in the play recess 6 is formed.
- a planar projection 10 (one in the drawing) with a wide contact area is integrally formed. The projection 10 and the other inner surface sandwich a portion of the retaining ring W opposite to the opening Y or one side.
- FIGS. 10 to 1 ′ FIG. 2 is a front view, a bottom view, and a cross-sectional view taken along line D-D of FIG. 10 of the tip of the fourth embodiment, and a play recess similar to that of the second and third embodiments. 6, the escape notch 7 and the evacuation space 5, 5a are formed, but a recess 11 narrower than the groove width of the play insertion recess 6 is provided at the innermost portion of the play insertion recess 6 near the front side of the holder 1. Formed continuously, a pair of elongated cuts 12 and 12a are formed on both sides of the recess 11 on the front side of the holder 1 and open at the relief cutouts 7, and the cuts 12 and 12a have elasticity. A clamping plate 13 is formed, and a projection 14 (two in the drawing) is integrally formed on the inner surface of the clamping plate 13. A step formed at the boundary between the play recess 6 and the recess 11 is referred to as a contact portion 3.
- FIGS. 13 and 16 are front views of the tip of the fifth and sixth embodiments
- FIGS. 14 and 17 are bottom views of FIGS. 13 and 16
- FIGS. 15 and 18 are first views.
- FIG. 3 is a sectional view taken along line E-E and a sectional view taken along line F-F in FIG. 16, which form a play recess 6, a relief notch 7, and a retreat space 5, 5 a similar to those in the second and third embodiments.
- the projection 17 that fits into the notch V of the retaining ring W and protrudes from the inner peripheral bottom surface at the center of the play recess 6 is used as the fall prevention means 4.
- the contact portions 3 are on both sides of the fitting projection ⁇ .
- the fitting projection 17 is formed so as not to be integrated with both inner side surfaces of the play insertion recess 6.
- the windows 26 and 26a are formed at the positions where the fitting projections 17 are formed on the front and back surfaces of the holder 1 so that the fitting projections 17 are formed in the play recesses 6. It is not integrated into both inner surfaces.
- FIGS. 19 to 21 are a front view, a bottom view, and a GG cross-sectional view of the distal end portion of the seventh embodiment, which are the same as the fifth and sixth embodiments.
- the falling-off prevention means 4 is the contact protrusions 25 and 25a provided at two locations on the back side in the loose insertion recess 6, and the opposite side of the opening Y in the retaining ring W.
- the inner surface is brought into contact with the opening corners near the center of the notches V, V provided at the two locations.
- a description will be given of a retaining ring mounting tool provided with means 27 for restricting and controlling the retaining ring W in the mounted state with respect to the holder 1 at a substantially accurate position.
- a description will be given of a mounting tool (eighth to tenth embodiments) used for fitting the retaining ring W having the cut V formed therein.
- FIGS. 22 to 24 are a front view, a bottom view, and a sectional view taken along the line H--H of FIG. 22 of the distal end portion of the eighth embodiment, which are the same as those of the first embodiment.
- the notch 7, the falling-off prevention means 4, and the evacuation spaces 5, 5a are formed, but for the retaining ring W having one notch V at the part opposite to the opening Y, and the play recess 6
- the protrusion 30 protruding from the inner peripheral bottom surface at the center of the retaining ring W and located in the notch V of the retaining ring W in the mounted state is used as the position regulating means 27.
- Both side portions of the projection 30 are abutting portions 3. Further, gaps 13 and 13a are formed between both sides of the projection 30 and the cut V of the retaining ring W in the mounted state.
- FIGS. 25 and 28 are front views of the tip of the ninth and tenth embodiments
- FIGS. 26 and 29 are bottom views of FIGS. 25 and 28,
- FIG. 14 is a sectional view taken along the line I-I and a sectional view taken along the line J-J of the figure, and form the same play insertion concave portion 6, escape notch 7, falling-off preventing means 4, and evacuation spaces 5, 5a as in the eighth embodiment.
- the ninth embodiment is for a retaining ring W having shallow notches V and V, and is used for a retaining ring W having two notches V and V on the side opposite to the opening Y.
- the embodiment is for a retaining ring W having deep cuts V, V, and a protrusion protruding from the inner peripheral bottom surface of the play insertion concave portion 6 and located in the cut V, V of the retaining ring W in the mounted state.
- 30 and 30 are the position regulating means 27, and the deep portion (the portion between the protrusions 30 and 30) of the play insertion recess 6 is the contact portion 3.
- gaps 31, 31a are formed between both side portions of the projections 30, 30 and the cuts V, V of the retaining ring W in the mounted state, respectively.
- a protrusion 10 formed on one inner surface of the play recess 6 and a falling-off preventing means 4 are formed on the other inner surface.
- it may be a jetty formed integrally with one of the opposed inner surfaces of the play recess 6, or as in the eleventh embodiment shown in FIGS. 31 to 33.
- the relief notch in the play recess 6 is formed on one inner surface of one end of the notch 7 and has a wide contact area. Are arranged so as to sandwich the opposite side portion or one side portion.
- a recess 11 narrower than the groove width of the play insertion recess 6 is provided at the innermost portion of the play recess 6 near the front side of the holder 1.
- a pair of elongated cuts 12 and 12 are formed on both sides of the recess 11 on the front side of the holder 11 on both sides of the recess 11 so that the cuts 12 and 12a are elastic.
- a projection 18 (two in the drawing) is integrally formed on the inner surface of the holding plate 13.
- a step formed at the boundary between the play insertion recess 6 and the recess 11 is referred to as a contact portion 3.
- FIGS. 37 to 39 are a front view, a bottom view, and a cross-sectional view taken along line 0-0 of FIG. 37 of the distal end portion of the thirteenth embodiment.
- the escape notch 7 and the evacuation spaces 5 and 5a are formed, but a slit 32 is formed in the center of the holder 1 so that it can be expanded, 4 are protrusions 33, 33a provided at two locations on the inner side of the play recess 6, and the protrusions 33, 33a are used to partially remove the hard balls 34, 34a embedded in the holder 1.
- the dimension H between the projections 33 and 33a is set at two locations on the opposite side of the opening Y in the retaining ring W shown in FIG. 62 (e).
- V and V are set slightly smaller than the dimension h between the opening corners t and ta on the center side, and the inner surfaces of the protrusions 33 and 33a and the opening corners t and ta of the retaining ring W are in close contact with each other in the mounted state. It is arranged like.
- the projections 33 and 33a do not have to have a spherical shape as shown in the figure, and may have a curved surface or a flat shape (not shown), but the opening corners t and ta of the retaining ring W are in close contact with each other in the mounted state. It must be formed so that
- FIGS. 40 and 43 are front views of the tip of the embodiments 14 and 15;
- FIGS. 41 and 44 are bottom views of FIGS. 40 and 43;
- FIGS. FIG. 40 is a cross-sectional view taken along line P--P and a line Q--Q of FIGS. 40 and 43, and forms the same loose insertion recess 6, escape notch 7, and retreat space 5, 5a as in the fifth and sixth embodiments.
- the fall prevention means 4 is a pair of elastic bodies 35, 35a protruding from the inner bottom surface of the play recess 6, and the interval between the elastic bodies 35, 35a is set opposite to the opening Y in the retaining ring W.
- the cut-outs V, V provided at the two sides of the side part are set to be narrower than the dimension between the opening corners t, t near the center side, and the elastic bodies 35, 35a in the 14th embodiment are on both sides of the holder 11
- the tip of two substantially U-shaped leaf springs 36, 36a embedded in the portion, the elastic bodies 35, 35a in the fifteenth embodiment are one gate-shaped leaf spring embedded in the center of the holder 11. 37 at both ends, each with one holder It is housed and fixed in the formed housing recesses 38, 38a, 39.
- steps 20 and 20a are formed in the middle of both ends on the inner peripheral bottom surface of the play recess 6, and the inner diameters of both end portions on the circumferential bottom surface are different from each other.
- the retreat spaces 5 and 5a are formed between both sides of the retaining ring W and the circumferential bottom surface of the play insertion concave portion 6, and the stepped portion 20 on the circumferential bottom surface is formed.
- 20a Is approximately the same diameter as the outer diameter of the retaining ring W.
- the inner bottom surface of the play recess 6 is formed as an inner circumferential surface having a constant curvature larger than the outer diameter of the retaining ring W, and both sides of the retaining ring W and the play recess are formed.
- the evacuation spaces 5 and 5a are formed between the evacuation spaces 5 and 5a.
- the evacuation spaces 5 and 5a are formed with a groove 19 over the entire width direction at the center of the tip end surface of the holder 1 as shown in FIGS.
- the groove 19 may be used as the retreat space 5, 5a.
- the evacuation spaces 5 and 5a are formed between both side portions of the retaining ring W in the mounted state and the inner peripheral surface of the play insertion concave portion 6, but this is substantially half of the outer peripheral portion of the retaining ring W. Since it is inserted into the play insertion recess 6, it is formed only in the relevant portion, so that the play insertion recess 6 is shallow and only a part of the portion of the retaining ring W opposite to the opening Y. When the retaining ring is inserted, there are two side portions at the projecting portion of the retaining ring W from the tip of the holder 11, and the outside of the both side portions of the retaining ring W is the retreat space 5, 5a.
- a semicircular notch 7a is formed at the tip end surface of the holder body la, and a step 21 is formed at the peripheral edge of the front side of the notch 7a.
- a mounting plate 22 having a semicircular relief notch 7b at the tip is integrally fixed on the front of the holder body la, and the play recess 6 is formed by the step portion 21 and the mounting plate 22, and the notch 7a,
- a relief notch 7 is formed by 7b, so that escape spaces 5 and 5a are formed between both side portions of the retaining ring W and the circumferential bottom surface of the play concave portion 6.
- the holder is fitted into a recess 23 having the same shape as the mounting plate 22 and a depth equal to the thickness of the mounting plate 22 on the front surface of the main body la.
- the window 24 is opened in a portion of the mounting plate 22 corresponding to the deep portion of the play recess 6.
- a mouth plate is formed, and a holding plate 13 having a base end as a fixed end is integrally formed in the window portion 24.
- the falling-off prevention means 4 is not limited to those in the above embodiments.
- the contact portion of the holder 11 with the retaining ring W specifically, the second part shown in FIGS. 58 (a) and (b)
- the magnet 40 may be embedded in the inner surface or the inner peripheral surface of the play recess 6 to serve as the falling-off preventing means 4.
- the holder 1 shown in each of the front view and each cross-sectional view in the drawings is expressed so as to be thicker than the actual one by changing the aspect ratio to facilitate understanding of the structure.
- the width is set to be smaller than the width of the circumferential groove (not shown) of the shaft on which the retaining ring W is fitted.
- the snap ring mounting tool according to the present invention is a manual tool
- It can be used as a tool to be mounted on the tool mounting part 41 of the automatic fitting machine as shown in Figs. 59 and 60, and aligned with the parts feeder 42 as shown in Fig. 59. After removing one from the plurality of retaining rings W, or as shown in Fig. 60, removing one of the retaining rings W from the aligned holder 43, the tool mounting part 41 is moved to It is fitted to S.
- the slit 32 opens and the projection The slits 32 are closed and the retaining ring W is fixed after the opening angles 1: and ta of the retaining ring W have passed the parts 33 and 33a.
- the retaining ring W is inserted into the play insertion recess 6 from the opening at the tip of the holder 1, the elastic bodies 35 and 35a are The retaining ring W is deformed and fixed by the elastic restoring force of the elastic bodies 35 and 35a.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
- Automatic Assembly (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004551202A JP4713153B2 (ja) | 2002-11-07 | 2003-11-07 | 止め輪用取付工具 |
AU2003277588A AU2003277588A1 (en) | 2002-11-07 | 2003-11-07 | Tool for installing retaining ring |
DE10393701T DE10393701T5 (de) | 2002-11-07 | 2003-11-07 | Werkzeug für die Montage eines Rückhalterings |
US11/124,428 US7089640B2 (en) | 2002-11-07 | 2005-05-06 | Tool for installing retaining ring |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002324292 | 2002-11-07 | ||
JP2002-324292 | 2002-11-07 | ||
JP2002362103 | 2002-12-13 | ||
JP2002-362103 | 2002-12-13 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/124,428 Continuation US7089640B2 (en) | 2002-11-07 | 2005-05-06 | Tool for installing retaining ring |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2004043651A1 WO2004043651A1 (ja) | 2004-05-27 |
WO2004043651A2 true WO2004043651A2 (ja) | 2004-05-27 |
WO2004043651A3 WO2004043651A3 (ja) | 2004-07-08 |
Family
ID=32314065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/014169 WO2004043651A2 (ja) | 2002-11-07 | 2003-11-07 | 止め輪用取付工具 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7089640B2 (ja) |
JP (1) | JP4713153B2 (ja) |
AU (1) | AU2003277588A1 (ja) |
DE (1) | DE10393701T5 (ja) |
WO (1) | WO2004043651A2 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7089640B2 (en) | 2002-11-07 | 2006-08-15 | Chubu Bearing Kabushiki Kaisya | Tool for installing retaining ring |
US7169514B2 (en) | 2003-12-31 | 2007-01-30 | Intel Corporation | Extreme ultraviolet mask with molybdenum phase shifter |
JP2009209793A (ja) * | 2008-03-04 | 2009-09-17 | Denso Corp | 燃料供給ポンプの逆止弁 |
JP2017185581A (ja) * | 2016-04-05 | 2017-10-12 | 三菱電機ビルテクノサービス株式会社 | 分割止め輪用治具、及び分割止め輪取付方法 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
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US8535323B2 (en) * | 2008-01-25 | 2013-09-17 | DePuy Synthes Products, LLC | Constraining ring inserter |
US8490262B2 (en) * | 2009-01-30 | 2013-07-23 | Sandvik Intellectual Property Ab | Retaining clip installation and removal tool |
CN101934513B (zh) * | 2009-07-02 | 2014-04-02 | 康准电子科技(昆山)有限公司 | 自动安装机构 |
CN102794741A (zh) * | 2011-05-24 | 2012-11-28 | 上海福耀客车玻璃有限公司 | 一种汽车玻璃安装金属卡子的工装装置 |
USD931719S1 (en) | 2016-06-02 | 2021-09-28 | Truck Shields, Llc | Cotter pin assist device |
US10906368B2 (en) | 2016-06-02 | 2021-02-02 | Truck Shields, Llc | Pin assist devices, hitch pins, and hitch pin assemblies |
USD983027S1 (en) | 2017-01-27 | 2023-04-11 | Truck Shields, Llc | Pin assist device |
US11279012B1 (en) * | 2017-09-15 | 2022-03-22 | The Sollami Company | Retainer insertion and extraction tool |
CA3002178A1 (en) | 2017-09-28 | 2019-03-28 | Truck Shields, Llc | Pin assist devices, hitch pins, and hitch pin assemblies |
WO2019147113A1 (es) * | 2018-01-29 | 2019-08-01 | Thyssenkrupp Components Technology De México, S.A. De C.V. | Guía para insertar un seguro de retención al árbol de levas |
US20200223042A1 (en) * | 2018-09-25 | 2020-07-16 | Steven Richard Scott | U-joint circlip installation tool |
CN109318177A (zh) * | 2018-11-28 | 2019-02-12 | 福州天宇电气股份有限公司 | 口挡圈的敲打装置及其使用方法 |
CN110124235A (zh) * | 2019-04-30 | 2019-08-16 | 光大消防器材(南通)有限公司 | 一种接头防脱落c形扣环 |
USD997709S1 (en) | 2020-12-23 | 2023-09-05 | Truck Shields, Llc | Pin assist device |
CN113954030A (zh) * | 2021-11-26 | 2022-01-21 | 惠州市采风科技有限公司 | 一种温度传感器辅助安装治具 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61163176U (ja) * | 1985-03-29 | 1986-10-09 | ||
JPH079274A (ja) * | 1993-06-24 | 1995-01-13 | Ricoh Co Ltd | E型止め輪取付け装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53148800A (en) | 1977-06-01 | 1978-12-25 | Shiyouhachi Nihei | Tool for attaching and detaching snap ring |
US4592122A (en) * | 1985-06-25 | 1986-06-03 | Waldes Truarc, Inc. | Hand applicator for radially assembled spring retaining rings |
JPH0310240U (ja) | 1989-06-19 | 1991-01-31 | ||
JPH0616654Y2 (ja) | 1989-06-22 | 1994-05-02 | 本田技研工業株式会社 | 止めリング挿着工具 |
US4942655A (en) * | 1989-08-08 | 1990-07-24 | Robert Buzzelli | E clip fastener installing tool |
JPH05231100A (ja) | 1992-02-25 | 1993-09-07 | Hazama Gumi Ltd | トンネル用通気仕切り |
JPH0740076U (ja) | 1993-12-28 | 1995-07-18 | 有限会社筑摩工業 | 止め輪装着具 |
JPH1128680A (ja) | 1997-07-08 | 1999-02-02 | Honda Motor Co Ltd | 止め輪装着工具 |
US6125517A (en) * | 1999-03-17 | 2000-10-03 | Yu; Chin-Yung | Hand tool for loading-unloading E-type clamping piece |
DE10393701T5 (de) | 2002-11-07 | 2005-11-03 | Chubu Bearing K.K., Nagoya | Werkzeug für die Montage eines Rückhalterings |
-
2003
- 2003-11-07 DE DE10393701T patent/DE10393701T5/de not_active Withdrawn
- 2003-11-07 WO PCT/JP2003/014169 patent/WO2004043651A2/ja active Application Filing
- 2003-11-07 AU AU2003277588A patent/AU2003277588A1/en not_active Abandoned
- 2003-11-07 JP JP2004551202A patent/JP4713153B2/ja not_active Expired - Lifetime
-
2005
- 2005-05-06 US US11/124,428 patent/US7089640B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61163176U (ja) * | 1985-03-29 | 1986-10-09 | ||
JPH079274A (ja) * | 1993-06-24 | 1995-01-13 | Ricoh Co Ltd | E型止め輪取付け装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7089640B2 (en) | 2002-11-07 | 2006-08-15 | Chubu Bearing Kabushiki Kaisya | Tool for installing retaining ring |
US7169514B2 (en) | 2003-12-31 | 2007-01-30 | Intel Corporation | Extreme ultraviolet mask with molybdenum phase shifter |
JP2009209793A (ja) * | 2008-03-04 | 2009-09-17 | Denso Corp | 燃料供給ポンプの逆止弁 |
JP2017185581A (ja) * | 2016-04-05 | 2017-10-12 | 三菱電機ビルテクノサービス株式会社 | 分割止め輪用治具、及び分割止め輪取付方法 |
Also Published As
Publication number | Publication date |
---|---|
AU2003277588A8 (en) | 2004-06-03 |
US7089640B2 (en) | 2006-08-15 |
JP4713153B2 (ja) | 2011-06-29 |
US20050262677A1 (en) | 2005-12-01 |
AU2003277588A1 (en) | 2004-06-03 |
DE10393701T5 (de) | 2005-11-03 |
WO2004043651A3 (ja) | 2004-07-08 |
JPWO2004043651A1 (ja) | 2006-03-09 |
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