TW201326586A - Telescopic stick - Google Patents

Abstract

A telescopic stick includes an outer tube, an inner tube and a joint. The inner tube is at least partly received in the outer tube and defines a plurality of adjusting holes in a wall thereof. The inner tube is movable with respect to the outer tube in order to have one of the adjusting holes in alignment with a positioning hole of the outer tube. The joint includes a sleeve and a fastening member. The sleeve of the joint is mounted around the outer tube and defines in a wall thereof an aperture that is aligned with the positioning hole of the outer tube. The fastening member of the joint is disposed on an outer wall surface of the sleeve and includes a root section, a free section extending from the root section and a protrusion extending from the free section. The free section is swingable with respect to the root section. The protrusion is configured to move with the free section from a first position to a second position such that the relative positions between the inner and the outer tubes can be adjusted.

Description

Telescopic rod

The present invention relates to a telescopic rod, and more particularly to a telescopic rod that is adjusted in length by a swingable fixing assembly.

The eighth to tenth drawings show a telescopic rod 9 disclosed in Japanese Patent No. 463891, which comprises an outer tube 90, an inner tube 92 disposed in the outer tube 90, and a fixing of the inner tube 92 to the inner tube 92. A fixing component 8 in the outer tube 90. As shown in the ninth figure, the outer tube 90 defines a positioning hole 901. The inner tube 92 defines a plurality of adjustment holes 921. The fixing assembly 8 includes a sleeve 80 sleeved outside the outer tube 90, a positioning member 81 disposed in the one-stage slot 802 of the sleeve 80, a swaying block 82 and a cap 83. The swaying block 82 is pushed by the upper cap 83 to drive the lower positioning member 81 to switch between a first position (ninth view) and a second position (theventh view).

Referring to the ninth figure, when the positioning member 81 is in the first position, the other end of the positioning member 81 extends into the adjusting hole 921 of the inner tube 92, so that the inner tube 92 and the outer tube 90 are relatively fixed. On the contrary, as shown in the tenth figure, when the positioning member 81 is located in the second position, the other end thereof is separated from the adjusting hole 921 of the inner tube 92 and is returned to the positioning hole 901 of the outer tube 90, so that the inner portion The tube 92 is movable relative to the outer tube 90 to adjust the length of the telescoping rod. As described above, the patented telescopic rod utilizes a complicated fixing assembly to fix its inner and outer tubes, and thus the manufacturing and assembly costs are relatively high.

The present invention provides a new telescopic rod that is adjusted in length by a swingable fixed assembly.

The telescopic rod includes an outer tube, an inner tube and a fixing component. The tube wall of the outer tube defines a positioning hole. One end of the inner tube extends into one end of the outer tube, and the tube wall defines a plurality of adjustment holes. The inner tube is movable relative to the outer tube such that one of the adjustment holes of the inner tube is facing the positioning hole of the outer tube.

The fixing component comprises a sleeve and a positioning component. The sleeve is sleeved outside the outer tube, and the cylinder wall has a positioning hole for perforating the outer tube. The positioning member is disposed on the outer wall surface of the sleeve and includes a fixed section, a movable section and a protrusion. The active segment extends from the fixed segment and is swingable relative to the fixed segment. The bump extends from the active segment. Preferably, the positioning member is made of a rubber material, and the outer sleeve of the protrusion is provided with a protective sleeve to avoid damage of the protruding block.

Wherein, when one of the adjustment holes of the inner tube is facing the positioning hole of the outer tube, the protrusion can move to a first position as the movable portion swings, so that the protrusion can extend into the sleeve a perforation of the barrel, a hole of the outer tube, and one of the adjustment holes of the inner tube. And the bump can also move from the first position to a second position away from the inner tube as the active segment.

The sleeve wall of the sleeve further defines a receiving groove along the axial direction thereof, and the wall surface of the receiving groove defines at least one engaging hole. The fixing portion of the positioning member is disposed in the receiving groove, and the outer surface of the positioning member is provided with at least one engaging tooth corresponding to the engaging hole of the receiving groove.

Preferably, the telescopic rod is applicable to a paddle rod, and further includes a paddle and a grip portion respectively disposed at the other end of the inner tube and the outer tube. The grip portion includes a head portion and a neck portion extending from the head portion, the head portion being located outside the inner tube; the neck portion being disposed in the inner tube. In addition, the position of the paddle and the grip portion can also be interchanged without affecting its use.

Preferably, the telescopic rod further comprises a stopping portion disposed at the other end of the inner tube to prevent the inner tube from being completely retracted into the outer tube. The stop portion includes a head portion and a neck portion extending from the head portion, the head portion being located outside the inner tube; the neck portion being disposed in the inner tube.

Compared with the prior art, the present invention provides a new telescopic rod which is rotatably held by the positioning member for adjustably fixing the inner tube to the outer tube for fixing and adjusting The length of the telescopic rod.

Other inventive aspects and more detailed technical and functional descriptions of the present invention are disclosed in the following description.

The first and second figures show a preferred embodiment of the telescopic rod of the present invention. A retractable paddle rod 1 is taken as an example, but not limited thereto. The paddle 1 includes an outer tube 10, an inner tube 12, a fixing component 2 disposed outside the outer tube 10, a blade 16 disposed at one end 105 of the outer tube 10, and a 125 disposed at one end 125 of the inner tube 12. A grip portion 18. The other end 129 of the inner tube 12 is sleeved in the other end 109 of the outer tube 10. The fixing component 2 is disposed outside the outer tube 10 for adjustably fixing the inner tube 12 to the outer tube 10.

The tube wall of the outer tube 10 defines a positioning hole 100. The tube wall of the inner tube 12 defines a plurality of adjustment holes 120. The inner tube 12 is movable along the length of the outer tube 10 such that one of the adjustment holes 120 of the inner tube 12 is aligned with the positioning hole 100 of the outer tube 10.

Referring to the third figure, the fixing assembly 2 includes a sleeve 21 and a positioning member 26. The sleeve 21 is sleeved outside the outer tube 10, as shown in the fourth figure, and the cylinder wall has a through hole 210 facing the positioning hole 100 of the outer tube 10. In addition, the wall of the sleeve 21 further defines a receiving groove 219 along its length for receiving the positioning member 26. The wall surface of the receiving groove 219 defines two engaging holes 218. In contrast, the positioning member 26 includes a fixed section 262, a movable section 264 extending from the fixed section 262, and a protrusion 268 extending from a side of the movable section 264. The outer surface of the fixing portion 262 is formed with two engaging teeth 260 corresponding to the two engaging holes 218 of the receiving groove 219 of the sleeve 21. As shown in the fourth figure, the positioning member 26 is correspondingly disposed in the receiving groove 219 of the sleeve 21. The two engaging teeth 260 of the fixing portion 262 of the positioning member 26 are correspondingly engaged with the receiving groove 219. The snap hole 218. The movable section 264 is made of an elastic material and has elasticity so as to be swingable relative to the fixed section 262, as shown in the fourth and fifth figures. Preferably, the positioning member 26 is made of a rubber material, and it is preferable to have better elasticity and toughness without being easily broken. In addition, since the inner tube 12 and the outer tube 10 are preferably made of a solid metal material, the protruding piece 268 of the positioning member 26 is preferably sleeved with a metal protective sleeve 28 for lowering the protruding piece. 268 probability of wear.

Referring to the first and second figures, in the present embodiment, the paddle 16 is disposed on the outer tube 10, and the grip portion 18 is attached to the inner tube 12. In fact, the position of the paddle 16 and the grip portion 18 may be mutually opposite, that is, the paddle 16 is disposed at one end 125 of the inner tube 12, and the grip portion 18 is disposed on the outer tube 10 One end 105. As shown in the fourth figure, the grip portion 18 is primarily used to prevent the inner tube 12 from being completely trapped within the outer tube 10, and includes a head portion 182 and a neck portion 184 extending from the head portion 182. The head 182 is exposed outside of the inner tube 12. The neck portion 184 extends into and is fixed in the inner tube 12, and the tube wall defines a plurality of positions of the adjustment holes 120 of the inner tube 12 to communicate with the adjustment hole 120 of the inner tube 12. Through hole 180.

The fourth to seventh figures show the process by which the retractable paddle rod 1 is adjusted in length by the fixing assembly 2. Referring to the fourth figure, when one of the adjusting holes 120 of the inner tube 12 of the paddle 1 is facing the positioning hole 100 of the outer tube 10, the protrusion 268 of the positioning member 26 can follow the movement of the positioning member 26. The sway of the segment 264 is moved to a first position, as shown in the fourth figure, so that the protrusion can be inserted into the through hole 210 of the sleeve 21, the positioning hole 100 of the outer tube 10, and one of the inner tubes 12 The hole 120 and the through hole 180 of the grip portion 18 are adjusted such that the inner tube 12 and the outer tube 10 cannot move relative to each other to fix the length of the paddle 1.

In the above, the protrusion 268 of the positioning member 26 can also move from the first position (fourth figure) to a second position away from the inner tube 12 as the movable section 264 of the positioning piece 26 swings. Five figures), the inner tube 12 is movable relative to the outer tube 10 to adjust the paddle 1 to a suitable length, as shown in the sixth figure.

When the inner tube 12 moves relative to the outer tube 10 such that the paddle 1 is adjusted to the appropriate length, the other adjustment hole 120 of the inner tube 12 is aligned with the positioning hole 100 of the outer tube 10, such as the seventh The figure shows. At this time, the user can move the movable section 264 of the positioning member 26 such that the bump 268 thereon moves to the first position, and the other adjusting hole 120 is aligned to make the inner tube 12 and the outer tube 10 Relatively fixed.

Compared with the prior art, the present invention provides a new telescopic rod which is relatively fixed or released by the swinging of the positioning member of the fixing assembly, thereby adjusting the telescopic rod. The length. On the other hand, the fixing assembly of the present invention is relatively simple in construction and facilitates manufacturing and assembly.

In any event, anyone can obtain sufficient teaching from the above description, and it is understood that the present invention is indeed different from the prior art, and is industrially usable and progressive. It is the invention that has indeed met the patent requirements and has filed an application in accordance with the law.

1. . . Rudder structure

100. . . skateboard

1. . . Paddle rod

10. . . Outer tube

100. . . Positioning hole

105. . . One end

109. . . another side

12. . . Inner tube

120. . . Adjustment hole

125. . . One end

129. . . another side

16. . . Paddle

18. . . Grip

180. . . Through hole

182. . . head

184. . . neck

2. . . Fixed component

twenty one. . . Sleeve

210. . . perforation

218. . . Engagement hole

219. . . Locating slot

26. . . Positioning member

260. . . Knitting teeth

262. . . Fixed section

264. . . Activity segment

268. . . Bump

28. . . protective case

8. . . Fixed component

80. . . Sleeve

801. . . perforation

802. . . Locating slot

81. . . Positioning member

82. . . Turbulent block

83. . . Cap

9. . . Telescopic rod

90. . . Outer tube

901. . . Positioning hole

92. . . Inner tube

921. . . Adjustment hole

The first figure is an exploded perspective view of a preferred embodiment of the paddle of the present invention.

The second figure is a perspective assembled view of the preferred embodiment.

The third figure is an exploded perspective view of the fixing assembly of the preferred embodiment.

4 to 7 are partial cross-sectional views of the preferred embodiment.

The eighth figure is a partial perspective combination of a conventional telescopic rod.

The ninth and tenth figures are partial cross-sectional views of the telescopic rod of the eighth figure.

1. . . Paddle rod

10. . . Outer tube

100. . . Positioning hole

105. . . One end

109. . . another side

12. . . Inner tube

120. . . Adjustment hole

125. . . One end

129. . . another side

16. . . Paddle

18. . . Grip

2. . . Fixed component

28. . . protective case

Claims (10)

A telescopic rod includes: an outer tube having a positioning hole defined therein; an inner tube having one end extending into one end of the outer tube, the inner tube wall defining a plurality of adjustment holes, and the inner tube is Relative to the movement of the outer tube, one of the adjusting holes is positioned toward the outer tube; and a fixing component includes a sleeve and a positioning member, the sleeve is sleeved outside the outer tube, and the tube is sleeved The wall has a locating hole for the outer tube; the locating member is disposed on the sleeve and includes a fixing portion, a movable portion and a protrusion; the fixing portion is fixed to the outer wall surface of the sleeve; The active segment extends from the fixed segment and is swingable relative to the fixed segment; the bump extends from the active segment; when one of the adjustment holes of the inner tube is facing the positioning hole of the outer tube, the convex portion The block can be moved to a first position as the movable segment swings, such that the projection can extend into the through hole of the sleeve, the positioning hole of the outer tube, and one of the adjustment holes of the inner tube; the bump The movable segment can also be moved from the first position to a second position away from the inner tube. The telescopic rod of claim 1, wherein the sleeve wall of the sleeve further defines a receiving groove along a direction of the axial direction thereof, the wall surface of the receiving groove defines at least one engaging hole; The fixing section is disposed in the accommodating groove, and the outer surface is provided with at least one engaging tooth corresponding to the engaging hole of the accommodating groove. The telescopic rod according to claim 1, wherein the positioning member is made of a rubber material. The telescopic rod according to claim 3, further comprising a protective cover sleeved outside the protrusion of the positioning member. The telescopic rod according to claim 1, further comprising a blade disposed at the other end of one of the inner tube and the outer tube. The telescopic rod of claim 1, further comprising a stop portion disposed at the other end of the inner tube and including a head and a neck extending from the head, the head being located Outside the inner tube; the neck is disposed in the inner tube. The telescopic rod according to claim 1, further comprising a grip portion disposed at the other end of the inner tube and including a head and a neck extending from the head, the head portion being located Outside the inner tube; the neck is disposed in the inner tube. The telescopic rod according to claim 7 further includes a paddle disposed at the other end of the outer tube. The telescopic rod according to claim 1, further comprising a grip portion disposed at the other end of the outer tube and including a head and a neck extending from the head, the head portion being located Outside the outer tube; the neck is disposed in the outer tube. The telescopic rod according to claim 9 further comprising a blade disposed at the other end of the inner tube.