TW201000045A - Telescopic shaft mechanism for use in folding umbrella - Google Patents

Abstract

Provided is a telescopic shaft for a folding umbrella which is suitable for downsizing in the radial direction. Grooves are formed in the inside diameter portions of individual pipes excepting the innermost pipe among a plurality of pipes constituting a shaft portion, ribs are provided on the outside diameter portions at the rear ends of individual pipes excepting the outermost pipe among the plurality of pipes, and a rib on each pipe is fitted in a groove in the inside diameter portion of a pipe on the outer side of the pipe slidably in the axial direction, thus preventing the relative rotation of the pipes on the outer side and inner side. A lower wheel is fitted into the shaft portion slidably along the axial direction, the hooking portion of the latching piece of the lower wheel is brought into resilient contact with the outer circumferential surface of the shaft portion, and, when the hooking portion is fitted into the latching hole in the shaft portion, the body of the lower wheel is latched removably to the shaft portion. The grooves are formed previously in a planar stainless steel metal plate in the longitudinal direction, and then the planar stainless steel metal plate is rounded into a pipe form with the grooves kept facing the inner side, thus forming a pipe having a groove formed therein.

Description

201000045 VI. Description of the Invention: [Technical Field to Which the Invention Is Applicable] The present invention relates to a multi-stage shaft mechanism for a telescopically flexible small-sized folding umbrella that does not have a sliding guide for appearance. [Prior Art] A folding umbrella (for example, a sacred document) having a multi-stage shaft that does not have a telescopically flexible guide rail in appearance is used as a constituent element. The multi-stage shaft is configured as follows: in the plurality of tubes, the inner diameter portions of the tubes other than the innermost tube body of the shaft form grooves along the longitudinal direction thereof for substantially the entire length, and the tubes other than the shaft-side tube body A rib is provided in the outer portion of the rear end portion of the body, so that the ridges of the respective tubular bodies are slidably fitted in the axial direction in the groove of the inner diameter portion of the side tubular body to prevent relative rotation between the outer side and the inner tubular body. Patent Document 1: Japanese Laid-Open Patent Publication No. 2005-237415 [Draft of the Invention] [Problems to be Solved by the Invention] The inner diameter portion of each of the ri 乂 · · · 备 备 备 备 备 备 备 备 备The operation of forming the groove requires high precision, and the technique is difficult (4) to guess that the processing is difficult, and the manufacturing cost is increased, and the diameter of the right pipe body is too fine to process the groove: there is a limit to the miniaturization of the self-twisting. Further, even if the diameter of the telescopic shaft can be reduced, if the shaft is too thin and straight, the spring of the sleeve is hidden in the shaft, and the spring of the sleeve is small and cannot be obtained. The problem of the spring strength required to hinder the miniaturization of pumping

The object of the present invention is to solve the above problems [Technical means for solving the problem J 3 201000045] The present invention is a nested slidably freely insertable segment of the shaft portion for folding and folding in the plurality of tubes In addition to the above-mentioned plurality of tubes, the inner diameter portion of each of the tube portions of the shaft portion is formed in a plurality of tubes to achieve the above-mentioned purpose, and a long groove is formed other than the innermost tube of the telescopic shaft mechanism of the multi-type umbrella. A rib is provided on an outer diameter portion of a rear end portion of each of the tubular bodies other than the g body on the most side of the shaft portion, so that the ridges of the respective tubular bodies are slidably fitted to the respective tubes in the axial direction. a groove in the inner side of the body of the body prevents the relative rotation of the outer side and the inner tube body, and the slide rail is not formed on the outer surface of the shaft portion, and the groove & system is formed in a flat shape A groove is formed in advance in the longitudinal direction of the stainless steel metal plate. After the groove is formed, a flat plate-shaped metal plate is formed by crimping the groove into a tubular shape. Further, the present invention is a plurality of tubular bodies that are slidably and slidably inserted in a nested manner to form a telescopic shaft mechanism for a finger-folding umbrella of a multi-I-type flexible shaft portion in the plurality of tubular bodies. The inner diameter portion of each of the tubes other than the innermost side of the shaft portion is formed with a groove extending substantially the entire length thereof along the longitudinal direction thereof, and the ends of the tubes of the plurality of tubes except the outermost tube portion of the shaft portion a rib is disposed on the outer diameter portion, and the tube body is slidably slidably coupled to the tube body outside the tube body in the axial direction: the groove prevents the relative rotation of the outer side and the inner tube body, and the upper knife is blocked The sliding guide rail does not appear in the outer appearance, and the lower rotary sleeve is slidably inserted into the shaft portion ′ in the axial direction so as to be slidably inserted into the tubular body and the locking piece formed on the tube wall of the main body. The accommodating portion is rotatably supported by the locking piece accommodating portion, and has a slender shape of a slanting 201000045 at a distal end thereof, a spring means for biasing the locking piece in a specific rotational direction about the axial branch portion, and Fixedly set to the above card The locking member of the rear portion is configured to constitute the lower sleeve, and the hook portion of the locking piece is elastically contacted with the outer peripheral surface of the shaft portion by the elastic force of the spring means, at a specific position of the shaft portion a locking hole for receiving the hook portion is provided, and when the hook portion is fitted into the locking hole, the main body is releasably locked to the shaft portion. Further, the present invention reduces the innermost tube body of each of the tube bodies The locking portion is formed at the front end of each of the other tubular bodies. When the shaft portion is extended, the stopper portion that is not disposed at the end portion of the inner tubular body collides with the locking portion of the outer tubular body, so that the inner tubular body does not The outer tube is detached, and a ring made of a soft material is fitted in the vicinity of the locking portion, and the outer peripheral surface of the inner tube is slid through the ring to be supported by the outer tube. The present invention constitutes the above ring by Celcon or Durac〇n. [Effects of the Invention]

[Embodiment]

Part of it. The shaft portion 2 is composed of three pipe bodies. Fig. 3) The second intermediate pipe body 4 is fitted and arranged with the third front 201000045 end sliding pipe body 6. A lower sleeve 8 is slidably fitted to the shaft portion 2. The front end of the end sliding pipe body 6 is fixedly provided with a fixed hoop. The swivel sleeve 10» is fixed at one end of the second pipe body 3 (not shown). The vehicle portion 2 composed of the first pipe body 3 and the sliding pipe bodies 4 and 6 constitutes a so-called center bar which is integrally stretchable and freely nested. The shaft portions 2 are fitted to each other by a rotation preventing mechanism to be described later so that the three tubular bodies 3, 4, 6 do not rotate relative to each other, and the three tubular bodies are slidably fitted to each other only in the axial direction. The upper sleeve 10 and the lower sleeve 8 are combined with the rib portion 12 which is freely folded. After the lower shaft portion 2 is moved and the lower sleeve 8 is moved in the direction of the front end along the shaft portion 2, as shown in Fig. 7, the stalk portion 12 is moved with the lower sleeve 8 to be moved: After the most forward position, as shown in FIG. 5, the shaft 6 is slid by the upper portion of the locking piece 14 built in the lower sleeve 8. The lower square, the figure 5 and the figure 6 矣 + π# 士, the table does not have the internal structure of the set of 8. The lower rotator body 8a is formed by inserting a synthetic resin into a shaft adjacent to the octagonal octagonal body, and the hollow portion is slidably slidably slid by the stalk portion 12 of the lower slewing sleeve 8 "" < Groove. P16, each end of the plate month 12a, the combination of the lower sleeve bone 12a' relative to the lower sleeve 8 is formed by the two-direction movement (four) formed by the wall of the above-mentioned tube (4), along the body 8a, The wall portion is formed with a locking piece accommodating portion 18 as shown in the drawing. The guide rail walls 纟 收纳 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 201000045 The upper surface and the lower surface of the locking piece housing portion 18 are opened, and the lid body 24 is detachably fitted to the open portion of the upper surface. The guide rail wall faces 20, 22 of the above-described locking piece housing portion 穿 are provided with grooves 28, 30 for receiving both ends of the spring support shaft 26 and rotatably. As shown in FIG. 8, the above-mentioned locking piece 14 has a certain interval therebetween, and a pair of side surface portions "&, 14b" are formed at their ends to be bent in a downward direction. The fishing portion H is formed with a locking releasing member mounting rising portion 14d at the other end thereof. 卡 固 The locking releasing member % is fixed to the rising portion 14d. The intermediate portion of the side surface portions 14a and 14b is disposed to be opposed to each other. The spring support shaft 26 that penetrates in the longitudinal direction of the locking piece μ in the direction of the right angle is supported by the elastic crystal support 26, and the coil 2 2 located between the side portions (4) and (4) is interposed. The spring support shaft The two ends of the 26 are inserted into the grooves 28 and 30, and the eight pieces 1 are rotatably supported by the spring support shaft 26 in the plane perpendicular to the shaft portion in the plane of FIG. The locking portion 32a of the coil spring 32 is engaged with the surface of the lid body 24 of the upper surface opening portion of the locking piece housing portion 18, and the coil spring 32 is The other side pulls out the milk - one side of the side portions Ma, 14b, the upper side The locking piece 筹 is raised by the above-mentioned wire 3 3 t 26 Λ t, and the elastic force* is played in the counterclockwise direction of the above-mentioned locking piece by the cymbal of the cymbal. The above-mentioned locking outer side abuts against the two along the body The movement of the upper sliding station 6 in the traverse direction is restricted by the rail wall surfaces 20, 22 and the rail wall surface. The card is placed at a specific position of the department 6 to receive the above-mentioned card... 201000045 The carding hole 34 is engaged with the hook portion Me. In the above configuration, in the state where the umbrella is closed, the locked fishing portion 14c is surrounded by the outer peripheral surface of the end 2 of the garden. When hitting the door: T's elastic force and elastic contact with the shaft part ... its front end: two:. :6, Ah is asking for moving. The figure ό indicates that the locking piece 14 is in elastic contact with the upper sliding shaft portion 2 under the extension axis. After the lower sleeve 8 is moved to the front end of the upper sliding shaft portion 2 at a specific position, the card is moved to 34, and the lower sleeve 8 is locked to the position of the locking hole of the shaft portion 2. The state in which the lower end sleeve 8 is locked on the front end side of the upper sliding shaft portion 2 is as shown in the state of being opened. When the umbrella is to be closed, the umbrella member 36 is not formed, so that the locking piece 14 is prevented from being elastically wound by the spring support shaft 2 _ 'spring 32, which is configured to be locked, and is rotated clockwise by η in FIG. Swing in the direction. By means of the locking piece, the movement of the locking piece 34 is released from the locking hole 34, and the lower rotating sleeve 8 is freely movable along the shaft portion 2. In this state, the hand side is slid. As shown in Fig. 8, the two outer sides of the locking piece 14 are restricted by the two guide wall faces 20, 22, so that the position of the piece 8 is not private with respect to the left and right sides of the shaft portion 2. The left and right direction, that is, the direction perpendicular to the axial direction

The hook portion 14c of the sheet 14 is accurately guided to the locking hole 34 by the lower sleeve 8 . Q. The movement of the knife 2 is clear. Next, referring to Figs. 1 to 4, the structure of the shaft portion 2 will be described as 201000045. The shafts 3, 4, and 6 of the knife 2 are made of stainless steel, as shown in Figs. 1 to 3, and are rusted. Steel composition. Such as the ancient ..., the inner diameter of the body 3, 4, respectively, along the length, and the length of the length and the length of the total length of 12 彼此 之 & & & & & 、 、. Each of the above grooves u, 13 is formed in a mountain shape and has a smooth curved surface. The outer peripheral surface of the tubular body 3 is formed in a circular shape over the entire length, that is, the outer peripheral cross section is formed in a circular shape. The outer peripheral surfaces of the above-mentioned tubular bodies 4 and 6 are covered by the outer tubular body.

In addition to ❹, the portion K visible from the outside is formed in a circular shape, and the respective tubes are movably inserted into the corresponding outer tube bodies 3 and 4. The portion of the tube body 4, 6 is visible in a portion of the tube body 4, and a printing surface is formed on the outer peripheral surface of each of the tube bodies 4 and 6 by a suitable printing technique. Further, on the outer peripheral surface of the tubular body 3, a printing surface force is shown in FIGS. i to 3, and the rear end portions of the outer peripheral surfaces of the tubular bodies 4 and 6 are the root portions of the tubular body, and are spaced apart from each other by substantially 120. Three ribs, 17 having a specific length arranged in a direction parallel to the longitudinal direction of each of the tubular bodies 4, 6 are provided at intervals. The cross-sectional shape of each of the ridges 15 and 17 is formed in a mountain shape substantially the same as the cross-sectional shape of the grooves π and 13. Further, the size of the cross-sectional shape of the groove Η and the cross-sectional shape of the corresponding ribs 15 and 17 are set to be substantially the same so that the ridges 15 and 17 are slidably fitted to the corresponding outer side. Grooves 11, 13. The tubular bodies 3 and 4 other than the tubular body 6 are configured to form a locking portion S by reducing the distal end, and when the shaft portion 2 is extended, the stopper body 19 fixed to the rear end portions of the inner tubular bodies 4 and 6 collides with the outer side. The locking portions s of the tubular bodies 3, 4 prevent the inner tubular bodies 4, 6 from coming off the outer tubular body 9 201000045. Still in the vicinity of the front end of the outer side cats j, 4, there is a pair of index holes H at intervals of 18 degrees, and after the inner tube body (1): a pair of through holes 4 are formed at intervals of the stiffness. . Springs (not shown in Fig. 1) are disposed on the rear end of the inner diameter of the inner tube bodies 4 and 6, and a projection having a convex curved surface (not shown) is fixed to both ends thereof. The above-mentioned = fitting is disposed in the above-described manner, and is projected toward the front end convex curved surface from the through hole 40 by a certain amount. As shown in Fig. 1, the above-mentioned camp body 4尨,, τ密μ body 4 is made of a thin metal plate of stainless steel: in the state of a slender and thin flat plate as shown in the figure, on one side, The groove is formed in a direction perpendicular to the length of the flat plate. e is a groove extending in a direction of a right angle at a predetermined interval. Then, a plate I having a concave I κ is formed, or a drum type is required. The tube forming machine is formed into a tubular shape so that the groove 13 ... " The first pipe body 3 is also formed in phase two. Thus, in the length of the flat stainless steel metal plate, a groove is formed first, and after the groove is formed, the flat surface is formed by crimping the inner side into a tubular shape, thereby being formed in the tube body. The inner side is highly accurate and easily forms a groove along the length direction. Each of the tubes 3, 4 + 々 I· has a ring 42 formed of a soft body by the inner diameter portion of the locking portion S, and the ring body 42 is transmitted through the ring 42

Sliding freely supports the 瞢髀/ aw clothing W holding the body inside the body; Γ4 through the ring coffee touched into the tube body 3 2... sliding freely on the outer surface of the body 4 printing surface m, built in The tube body 4 τ I ring 4 2 is in contact with the tube 10 embedded in the tube body 4 201000045 The outer peripheral printing surface m of the body 6 is freely grounded. By the ring 42, the contact with the inner diameter portion of the locking portion S of the tubular bodies 4, 6 is avoided. Thereby, it is possible to prevent the printing surface m of the outer circumference of the pipe bodies 4 and 6 from being scratched. In the above configuration, since the ridges 15 of the second tubular body 4 are slidably slidably engaged with the grooves η of the inner diameter portion of the first tubular body 3, the first tubular body 3 and the second tubular body 4 are only along each other. The longitudinal direction is slidable, and the movement of the second tube 4 in the direction in which the first tube body 3 rotates is fitted by the ridges 15 and the grooves η.

Construction: stop. The relationship between the second tube body 4 and the third tube body 6 is also the same as the relationship between the first body 3 and the second tube body 4, and is slidable in the longitudinal direction, and the movement in the opposite direction of rotation is controlled by the tube outside. The groove 13 of the body is blocked by the rib 17 of the inner tube body fitted therein. Further, the shape of the scraped surface of the groove may be a rectangular shape as shown in Fig. 1(B) or an arc shape as shown in Fig. 2(c), and is not particularly limited to the cross-sectional shape shown in the drawing. When the shaft portion 2 is extended and the inner tube body 4, the stopper portion 19 of the crucible, and the locking portion s of the tube bodies 3, 4 which are stuck to the outer side, the protrusions of the inner tube bodies 4, 6 are just embedded. The index hole μ of the outer tube bodies 3, 4, the relative movement of the inner side and the outer tube body in the longitudinal direction, and the circumferential rotation of the spring tube are releasably locked, so that the inner tube body 4, 6 It is not easy to detach or rotate from the corresponding outer tube bodies 3, 4. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an explanatory view of the present invention. The part of the watch case '(A) is the front view, (B) is the longitudinal section view, and 1 C) is the D-D line profile view. Figure 3 is a front elevational view of the shaft portion. 201000045 Figure 4 is a cross-sectional view of the E-E line of the shaft portion. Figure 5 is a cross-sectional view of the lower sleeve locking mechanism. Figure 6 is a cross-sectional view of the lower sleeve locking mechanism. Fig. 7 is an explanatory view showing a shaft portion and a rib portion of the umbrella. Figure 8 is a plan view of the lower sleeve. Figure 9 is a plan view of the lower sleeve body. Figure 10 is a cross-sectional view taken along the line A-A of the lower sleeve. Figure 11 is a cross-sectional view taken along line B-B of the lower sleeve. Figure 12 is a plan view of the locking piece. [Main component symbol description] 2 Axis portion 3 1st pipe body 4 2nd intermediate sliding shaft 6 3rd sliding shaft 8 Lower sleeve 8a Body 10 Upper sleeve 11, 13 Groove 12 Umbrella portion 14 Locking piece 14a' 14b side portion 14c hook portion 15' 17 rib 16 groove portion 12 201000045 18 locking piece accommodating portion 19 stopper portion 20 > 22 rail wall surface 24 cover body 26 spring support shaft 28, 30 slot 32 coil magazine 34 card Stop hole ❿ 36 lock release member 38 index hole 40 through hole 42 ring ❿ 13

Claims (1)

201000045 VII. Patent application scope: 1.-The telescopic shaft mechanism used for finger-folding umbrellas, which is a nested sliding slidable and freely inserted into a plurality of tubes to form a multi-segment type of telescopic freely. The inner diameter portion of each of the plurality of tubes except the tube innermost portion of the shaft portion is formed with a groove extending substantially the entire length along the length of the basin, and is divided by the plurality of tubes. a rib is provided on an outer diameter portion of a rear end portion of each of the tubular bodies other than the outermost tubular body of the shaft portion, and the ribs of the respective tubular bodies are slidably fitted in the tubular body outside the tubular body The groove of the inner diameter portion prevents the relative rotation of the outer side and the inner tube body, and the appearance of the shaft portion does not cause the sliding guide rail, and the length of the tube system in which the groove is formed is the length of the flat stainless steel metal plate The groove is formed in advance in the direction, and after the groove is formed, a flat stainless steel metal plate is formed by crimping the inside of the groove into a tubular shape. 2. A telescopic shaft mechanism for a folding umbrella, which is a plurality of tubes that are slidably and slidably inserted in a nested manner to form a multi-segment type of the shaft portion of the multi-segment type, characterized in that: the plurality of tubes are The inner diameter portion of each of the tubes other than the innermost tube portion of the shaft portion is formed with a groove extending substantially the entire length thereof along the longitudinal direction thereof, and each of the plurality of tubes except the outermost tube portion of the shaft portion a rib is disposed on an outer diameter portion of the rear end portion of the tubular body, so that the ribs of the tubular bodies are slidably slidably axially engaged with the inner diameter portion of the tubular body outside the tubular body to prevent the outer side from being The relative rotation of the inner tube body causes the slide shaft to be unapplied in the appearance of the shaft portion, and the lower sleeve is slidably inserted into the shaft portion in the axial direction so as to be slidably inserted into the vehicle portion The tubular body, the locking piece 201000045 formed in the wall of the main body, and the accommodating portion, the locking piece that is pivotally supported by the locking piece accommodating portion and has a hook portion at the distal end thereof, and the shaft portion Rotating toward the center The elastic locking means for biasing the locking piece and the externally operable locking releasing member fixed to the rear portion of the locking piece constitute the lower rotating sleeve': the locking piece is hung by the elastic force of the spring means The portion is elastically formed on the outer peripheral surface of the shaft portion, and the locking hole of the hook portion is formed at a specific position of the pumping portion, and when the hooking portion is engaged with the locking portion, the body is releasably locked to the above The shaft part. 3. The telescopic shaft mechanism for referring to the umbrella of the utility model, wherein the front end (four) of each of the above-mentioned four (four) towels is a locking portion, when the shaft portion is elongated, The tubular body that is fixed to the rear end portion of the inner tubular body and that collides with the outer tubular body does not detach from the outer tubular body, and a ring made of a soft material is fitted into the vicinity of the locking portion 1 . The outer peripheral surface of the inner tubular body is slidably supported by the outer tubular body through the ring. The agency invites the patented scope 帛3 to be used for the telescopic shaft mechanism of the folding umbrella. The middle/sole is made of Saigang or Steel. Eight, the pattern: (such as the next page) 15