CN2519040Y - Length-adjustable non-circular rod-shaped article - Google Patents
Length-adjustable non-circular rod-shaped article Download PDFInfo
- Publication number
- CN2519040Y CN2519040Y CN 02201339 CN02201339U CN2519040Y CN 2519040 Y CN2519040 Y CN 2519040Y CN 02201339 CN02201339 CN 02201339 CN 02201339 U CN02201339 U CN 02201339U CN 2519040 Y CN2519040 Y CN 2519040Y
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- China
- Prior art keywords
- outer tube
- slide cartridge
- side opening
- bar
- place
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- Expired - Fee Related
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Abstract
The utility model relates to a length-adjustable non-circular rod-shaped article which is characterized in that the utility model comprises an external pipe that the section of the external pipe takes a non-circular shape, and the external pipe at least is provided with a side port; a slide cylinder which is coated with the external pipe and the internal wall surface is provided with a depressing part; a spring which is coated with the external pipe and arranged in the slide cylinder; an inner bar that the section is matched with the external pipe, one end is inserted in the external pipe, and the inner bar and the external pipe are incapable of correspondingly turn; and an engine holding fitting that the number is same as the number of the side pores of the external pipe, and respectively arranged at the position of the side pore. When the slide cylinder is against at a stooping point by the spring, the engine holding fitting is capable of being forced inwards by the depressing part, making the engine holding fitting is closely against to the inner bar; when the slide cylinder moves to the direction of the spring, the engine holding fitting is incapable of being against to the inner bar, making the inner bar and the external pipe are capable of corresponding sliding.
Description
Technical field
The utility model is relevant with shaft, furthermore, is about a kind of length-adjustable non-circular shaft.
Background technique
Often can see length-adjustable shaft in the daily life, the support of for example lever of orchard shears, mop, rake etc., or bouncing pin (pogo stick), scooter, collapsible bicycle etc.Use length-adjustable shaft, can be adjusted to only use length (for example lever of orchard shears), or when not using, it is condensed into shorter littler harvesting volume (for example support of bouncing pin) in response to behaviour in service, very convenient.
The model utility content
Main purpose of the present utility model promptly in that a kind of length-adjustable non-circular shaft is provided, can simple and easyly on demand change its length apace.
Take off purpose for before reaching, the length-adjustable non-circular shaft that the utility model provides is to include: an outer tube, cross section are non-circular, and a nearly end place has at least one side opening that runs through tube wall; One slide cartridge, cross section cooperate this outer tube, are sheathed on the end that this outer tube is provided with this side opening, slippage between a primary importance and a second place vertically; On the internal face of this slide cartridge in correspondence respectively this side opening one side have the pressure section, this pressure section to should the second place one end, be to should more protruding from the slide cartridge center by primary importance one end than it; One spring, be sheathed on this outer tube and the position in this slide cartridge inboard, it is to be butted on this outer tube to a end that should the slide cartridge second place, the other end then is butted on this slide cartridge, this slide cartridge can be pushed against in this primary importance; Bar in one, the cross section cooperates this outer tube, and the one end is inserted in this outer tube by the end pivot that this outer tube is provided with this side opening, and the two can stretch relatively but can not reverse relatively; The part of pulling that supports with the numbers such as side opening of this outer tube is located at this side opening position respectively; When this slide cartridge is positioned at this primary importance, can should support the part of pulling by comparatively protrusion one end of this pressure section and urge toward in, make to the part of pulling and push against bar in this and bar can't slippage in allowing; When this slide cartridge is positioned at this second place, should support to cause under the part of pulling pushing against bar in this, make bar slippage vertically in this.
Wherein: the pressure section of this slide cartridge is towards the inner side surface at slide cartridge center, be by to should primary importance one end towards this second place one end gradually by inclined-plane toward the slide cartridge center; Should support the part of pulling be the block with high coefficient of friction, and inner side surface be summary parallel should in the plane of bar outer circumferential face, outer side surface then is the inclined-plane of parallel this pressure section inner side surface of summary.
Wherein: the pressure section rim of this slide cartridge is in to a end that should primary importance, be be by to should primary importance one end towards this second place one end gradually by inclined-plane toward the slide cartridge center, this pressure section rim is to a end that should the second place, then be parallel this outer axial tube of summary to the plane; Should in bar in to should outer tube offering the side of this side opening, be respectively equipped with at least two positioning holes that are positioned at different axial positions; Being somebody's turn to do and supporting the part of pulling be ball, kept off when being pressed on the outside by the aforementioned plane of this pressure section, the side opening of this outer tube of fastening simultaneously and the positioning hole of this interior pipe.
Wherein: this outer tube is provided with two these side openings, and this two side opening is to be positioned at relative two sides.
Wherein: this outer tube, this slide cartridge and all general ovalize in the cross section of bar in this.
Wherein: the intrinsic ring of cover on this outer tube, and have a shoulder face on the internal face of this slide cartridge, two ends of this spring are to be butted on this ring and this shoulder face respectively.
Description of drawings
Below promptly lift two preferred embodiments in conjunction with the accompanying drawings the utility model is described further, wherein:
Fig. 1 is the three-dimensional exploded view of the utility model first preferred embodiment;
Fig. 2 is the axial sectional view of the utility model first preferred embodiment, and slide cartridge position wherein is in primary importance;
Fig. 3 is the sectional view along 3-3 hatching line among Fig. 2;
Fig. 4 is Fig. 2 roughly the same, and only this slide cartridge is that the position is in the second place;
Fig. 5 is the user mode figure of the utility model first preferred embodiment;
Fig. 6 is the three-dimensional exploded view of the utility model second preferred embodiment;
Fig. 7 is the axial sectional view of the utility model second preferred embodiment, and slide cartridge position wherein is in primary importance;
Fig. 8 is the sectional view along 8-8 hatching line among Fig. 7; And
Fig. 9 is Fig. 7 roughly the same, and only this slide cartridge is that the position is in the second place.
Embodiment
See also Fig. 1 to Fig. 4 (annotate: direction hereinafter is to indicate according to drawing), the length-adjustable non-circular shaft 10 of the utility model first preferred embodiment includes:
One outer tube 20 (its top only is shown among the figure), the general ovalize in cross section (or perhaps corner is circular-arc rectangular), on its outer circumferential face in approach top end be provided with toward be recessed two on circular groove 21, respectively should go up circular groove 21 places in correspondence on the inner wall surface thereof and then form bulge loop 22 on respectively; By this down a bit of distance of circular groove 21 on two, be provided with circular groove 23 in addition two times, similarly, respectively also form a lower convex ring 24 respectively in this time circular groove 23 places in correspondence on the internal face; The tube wall of this outer tube 20 offers two relative rectangle side openings 25 between last circular groove 21 and following circular groove 23, be respectively the position at the major axis in outer tube 20 cross sections to two ends.A ring 26 and a lower toroidal ring 27 on one, cross section and internal diameter all cooperate this outer tube 20, and respectively have two ring-type raised lines 28,29 on the two internal face of 26,27, should go up ring 26 is to be sheathed on this outer tube 20 tops, by this circular groove 21 and locating on two of these two ring-types raised line, 28 buckles, this lower toroidal ring 27 is to be sheathed on place, side slightly on the lower side, outer tube 20 tops, is located by these these two times circular grooves 23 of two ring-types raised line, 29 buckles.
One slide cartridge 30, the cross section is (being similar to) ellipse that should outer tube 20, its external diameter from top to bottom remains unchanged, but internal diameter then is that lower semisection is big, upper semisection less (that is the barrel of upper semisection is thicker), and makes the rough centre formation one of internal face ring-type shoulder face 31 down; In addition, the upper semisection of slide cartridge 30 internal faces partly respectively is provided with a pressure section 32 in major cross-sectional axis to two ends, and respectively this pressure section 32 is the inclined-planes that are to be tilted by the down also past central direction of slide cartridge 30 apical margins towards the inner side surface at slide cartridge 30 centers.This slide cartridge 30 is the proximal portion that is sheathed on this outer tube 20 (roughly position on this between ring 26 and this lower toroidal ring 27), can be along axially slippage between relatively on the upper side the primary importance (Fig. 2) and a second place (Fig. 4) relatively on the lower side.Can not reverse (because and non-circular) between this slide cartridge 30 and this outer tube 20 relatively, this two pressure section 32 in the slide cartridge 30 is respectively towards this two side opening 25 of outer tube 20.
One spring 40 is the shapes that cooperate outer tube 20 and slide cartridge 30, and ovalize unrolls; This spring 40 be sheathed on this outer tube 20 and the position in these slide cartridge 30 inboards, its bottom is butted on lower toroidal ring 27 apical margins of outer tube 20, the top is butted on the ring-type shoulder face 31 of slide cartridge 30, is not subjected to this slide cartridge 30 up to be pushed against in aforementioned primary importance, as shown in Figure 2 under the external force.
Bar 50 (its bottom only is shown among the figure) in one, it in present embodiment a hollow tube, the also general ovalize in its cross section, the bottom is inserted by these outer tube 20 tops (ring 26 on this) and is stretched in the outer tube 20, its outer circumferential face gently is butted on these bulge loops 22,24 on outer tube 20 internal faces, can be along axially steadily slippage.
Two support the part 60 of pulling, it is block (present embodiment use block rubber) with high coefficient of friction, be located at two side openings, 25 positions of this outer tube 20 respectively, can be in this position slightly along radial displacement, respectively support all protruding outer tube 20 tube walls that exceed of inside and outside two sides of the part 60 of pulling, and inner side surface is the longitudinal plane of bar 50 outer circumferential faces in parallel being somebody's turn to do, and outer side surface then is the inclined-plane of parallel these slide cartridge 30 pressure sections 32 inner side surfaces.
The mode of operation of above-mentioned shaft 10 and start principle are as follows:
When not being subjected to external force, as Fig. 2, shown in Figure 3, this slide cartridge 30 is up pushed against in aforementioned primary importance by spring 40, make pressure section 32 on slide cartridge 30 internal faces with the side opening 25 of its bottom of protruding the most over against this outer tube 20, urged toward in to the limit and should support the part 60 (block rubber) of pulling, make this two support pull part 60 with the inner face cramping should in relative two sides of bar 50 outer circumferential faces, the high frictional force that is produced by the rubber viscosity, bar 50 is difficult to slippage up and down in allowing, and keep protruding out at that time the outer length of outer tube 20, that is with the outer tube 20 common shafts 10 that constitute predetermined lengths.
When desire is adjusted length, catch to hold this slide cartridge 30 and make it (antagonistic spring 40 elastic force) and down slide into the aforementioned second place, as shown in Figure 4, because the pressure section 32 of this slide cartridge 30 is to be the shape of down protruding toward interior inclination, so be after moving down towards supporting the part 60 of pulling with position, more non-salient inclined to one side top, make that supporting the unlikely brute force that is subjected in part 60 outsides of pulling oppresses, and possess the space of slight radial activity, that is can not clamp bar 50 in this.At this moment, the user can up smoke interior bar 50 or down insert the relative displacement of 20 of outer tubes (refer to and), allows shaft 10 become longer or shorter.
When interior bar 50 and outer tube 20 are relative when being retractable to suitable length, the user can unclasp this slide cartridge 30, allow slide cartridge 30 be subjected to spring 40 to push back primary importance again, owing to moving Shi Youru on this pressure section 32 that is wedge shape gradually toward projecting inward, so can level land shellfish ground will parallelly be posted by supporting of its inboard part 60 of pulling and oppress toward interior passing, push against bar 50 in this until supporting the part 60 of pulling, bar 50 can't move by material in allowing once again, makes shaft 10 be fixed in adjusted length.During adjustment, be to make shaft 10 be adjusted to the most suitable length interior bar 50 and arbitrary position within the possible range, outer tube 20 location.
What must remark additionally is, take off in the example structure last, cover is solid more in addition on this outer tube 20 should go up ring 26 and lower toroidal ring 27, its effect comprises: limit this slide cartridge 30, beautify these outer tube 20 pipe ends and supply a cun third constellations, these spring 40 bottoms to lean on or the like, be to manufacture surely and the practice of commodity design aspect is considered, change speech, if can be on this outer tube 20 the direct forming flange with limit this slide cartridge 30 or for this spring 40 against, promptly need to go up last ring 26 or lower toroidal ring 27 in the example down.
In addition, these bulge loops 22,24 on these outer tube 20 internal faces can reduce the friction area when bar 50 slides in this.
The utility model can be in this bar 50 lowermost end buckles one C shape clasp (not shown), bar 50 bottoms are subjected to bulge loop 24 blocks and unlikely this outer tube that detaches in making.
Moreover the preceding embodiment of taking off is relative two sides of supporting bar 50 in part 60 crampings of pulling with two, and preferable steadiness is arranged when making shaft 10 locked lengths, and only the utility model also can only support the part of pulling with one and push against interior bar.
See also Fig. 5, it is the user mode of the length-adjustable shaft 10 of present embodiment, this example is the lever that this shaft 10 is applied to an orchard shears 90, so, the user can be according to the plant height of desire pruning, lever (being shaft 10 of the present utility model) with orchard shears 90 is adjusted to suitable length easily, and is comparatively convenient, economical.
Then please consult Fig. 6 to Fig. 9 again, it is the length-adjustable non-circular shaft 70 that the utility model second preferred embodiment provides, its member, combination, action and a last embodiment identical mostly (annotate: below be partly to be described in further detail with regard to difference, and identical part only explains the main points briefly, hold and do not give unnecessary details), include:
One outer tube 71, top are arranged with a ring 72 and a lower toroidal ring 73 on one, and are provided with two relative circular side openings 74 between this two ring 72,73.
One slide cartridge 75, be sheathed on this outer tube 71 tops, can slippage between the primary importance (Fig. 7) and the second place (Fig. 9): slide cartridge 75 internal faces be provided with a pressure section 76 in respectively these side opening 74 1 sides of corresponding outer tube 71, the rim top side of each pressure section 76 is the inclined-planes that are from top to bottom tiltedly to go out toward the center, toward next then become parallel axes to vertical straight plane; 76 tops, pressure section form between a slow empty avoiding 77;
One spring 78, be sheathed on this outer tube 71 and the position in these slide cartridge 75 inboards, slide cartridge 75 can be pushed against in primary importance (Fig. 7) at ordinary times.
Two support the part 83 of pulling, and are ball in present embodiment, and its diameter is less than this side opening 74 but greater than this positioning hole 82, be located at the position of this two side opening respectively.
The location of this shaft 70, to adjust principle as follows: as Fig. 7, shown in Figure 8, when the positioning hole 82 of interior bar 81 fashionable with 74 pairs of the side openings of outer tube 71, this slide cartridge 75 can be subjected to this spring 78 to be butted on primary importance, vertical front side bumper with its pressure section 76 is butted on this to pulling part 83 outsides, and compressing makes it fastening in this positioning hole 82 to the part 83 of pulling, make this two support pull this outer tube 71 of part 83 fastenings simultaneously and should in bar 81, and shaft 70 is fixed on corresponding length.
When desire is adjusted length, equally earlier this slide cartridge 75 is down caught to the second place, make the pressure section 76 of slide cartridge 75 move to side opening 74 belows of outer tube 71, change with this and keep out of the way space 77 over against this side opening 74, bar 81 can force to the part 83 of pulling and retire outward to interior bar 81 in push-and-pull this moment was somebody's turn to do, bar 81 and outer tube 71 can unhinderedly relative slippages in allowing, as schematically shown in Figure 9.In the telescopic process, the user can unclasp this slide cartridge 75, but because of supporting 76 tops, pressure section (can roll in this original place, position) that part 83 retainings of pulling are butted on slide cartridge 75, so slide cartridge 75 still can remain in the second place, does not move on temporarily not understanding.
When interior bar 81 slides onto two side openings 74 of another group positioning hole 82 involutory outer tubes 71, because slide cartridge 75 is up pushed against by this spring 78 still, so can be at once with the top side hypotenuse of this pressure section 76, take advantage of a situation will be in the part 83 of pulling be pushed into toward in the positioning hole 82 of bar 81, and press retaining outside with vertical straight sided again, bar 81 is reorientated with outer tube 71 in making, shaft 70 becomes different length.
What must remark additionally is, in the present embodiment only in this at the bottom of top of bar 81 two ends respectively offer a pair of positioning hole 82, so only adjusting, shaft 70 is positioned to double length (bar 81 stretches into fully or extracts out fully promptly), yet, the utility model is certainly offered more to positioning hole 82 on interior bar 81, bar 81 can be selected the shaft many places are positioned outer tube 71 tops in making, so that shaft 70 can be adjusted to multiple length.
Claims (6)
1. length-adjustable non-circular shaft includes:
One outer tube, cross section are non-circular, and a nearly end place has at least one side opening that runs through tube wall:
One slide cartridge, cross section cooperate this outer tube, are sheathed on the end that this outer tube is provided with this side opening, can a plain vertically primary importance and a second place between slippage; On the internal face of this slide cartridge in correspondence respectively this side opening one side have the pressure section, this pressure section to should the second place one end, be to should more protruding from the slide cartridge center by primary importance one end than it;
One spring, be sheathed on this outer tube and the position in this slide cartridge inboard, it is to be butted on this outer tube to a end that should the slide cartridge second place, the other end then is butted on this slide cartridge, this slide cartridge can be pushed against in this primary importance;
Bar in one, the cross section cooperates this outer tube, and the one end is inserted in this outer tube by the end pivot that this outer tube is provided with this side opening, and the two can stretch relatively but can not reverse relatively: and
The part of pulling that supports with the numbers such as side opening of this outer tube is located at this side opening position respectively.
2. according to the described length-adjustable non-circular shaft of claim 1, it is characterized in that, wherein: the pressure section of this slide cartridge is towards the inner side surface at slide cartridge center, be by to should primary importance one end towards this second place one end gradually by inclined-plane toward the slide cartridge center; Should support the part of pulling be the block with high coefficient of friction, and inner side surface be summary parallel should in the plane of bar outer circumferential face, outer side surface then is the inclined-plane of parallel this pressure section inner side surface of summary.
3. according to the described length-adjustable non-circular shaft of claim 1, it is characterized in that, wherein: the pressure section rim of this slide cartridge is in to a end that should primary importance, be be by to should primary importance one end towards this second place one end gradually by inclined-plane toward the slide cartridge center, this pressure section rim is to a end that should the second place, then be parallel this outer axial tube of summary to the plane; Should in bar in to should outer tube offering the side of this side opening, be respectively equipped with at least two positioning holes that are positioned at different axial positions; Being somebody's turn to do and supporting the part of pulling be ball, kept off when being pressed on the outside by the aforementioned plane of this pressure section, the side opening of this outer tube of fastening simultaneously and the positioning hole of this interior pipe.
4. according to the described length-adjustable non-circular shaft of claim 1, it is characterized in that wherein: this outer tube is provided with two these side openings, and this two side opening is to be positioned at relative two sides.
5. according to the described length-adjustable non-circular shaft of claim 1, it is characterized in that, wherein: this outer tube, this slide cartridge and all general ovalize in the cross section of bar in this.
6. according to the described length-adjustable non-circular shaft of claim 1, it is characterized in that, wherein: the intrinsic ring of cover on this outer tube, and have a shoulder face on the internal face of this slide cartridge, two ends of this spring are to be butted on this ring and this shoulder face respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02201339 CN2519040Y (en) | 2002-01-11 | 2002-01-11 | Length-adjustable non-circular rod-shaped article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02201339 CN2519040Y (en) | 2002-01-11 | 2002-01-11 | Length-adjustable non-circular rod-shaped article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2519040Y true CN2519040Y (en) | 2002-10-30 |
Family
ID=33684223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02201339 Expired - Fee Related CN2519040Y (en) | 2002-01-11 | 2002-01-11 | Length-adjustable non-circular rod-shaped article |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2519040Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105518314A (en) * | 2013-02-20 | 2016-04-20 | 意大利R.P.E.有限公司 | Method and assembly for the connection of two tubular members |
| CN105605051A (en) * | 2016-03-11 | 2016-05-25 | 宁波爱乐吉电动工具股份有限公司 | High branch machine |
| CN108224002A (en) * | 2018-03-07 | 2018-06-29 | 海宁瑞峰祥宇影视制作有限公司 | The bindiny mechanism of the body of rod one and the body of rod two in camera support |
| CN108500902A (en) * | 2018-04-16 | 2018-09-07 | 中冶建工集团有限公司 | The installation method of ceiling hangs muscle auxiliary installation device and ceiling hangs muscle |
| CN110410391A (en) * | 2019-08-07 | 2019-11-05 | 深圳市艾米多技术有限公司 | Tight locking button, telescoping tube group, tripod and self-shooting bar |
| WO2021227786A1 (en) * | 2020-05-09 | 2021-11-18 | 浙江捷昌线性驱动科技股份有限公司 | Height-adjustable stand column clearance sheet mounting assembly and height-adjustable stand column |
| CN114909550A (en) * | 2022-03-31 | 2022-08-16 | 华能伊敏煤电有限责任公司 | Connect stable camera |
-
2002
- 2002-01-11 CN CN 02201339 patent/CN2519040Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105518314A (en) * | 2013-02-20 | 2016-04-20 | 意大利R.P.E.有限公司 | Method and assembly for the connection of two tubular members |
| CN105518314B (en) * | 2013-02-20 | 2017-10-31 | 意大利R.P.E.有限公司 | Method and component for the connection of two tubular elements |
| CN105605051A (en) * | 2016-03-11 | 2016-05-25 | 宁波爱乐吉电动工具股份有限公司 | High branch machine |
| CN105605051B (en) * | 2016-03-11 | 2017-11-28 | 宁波爱乐吉电动工具股份有限公司 | Branches of tall trees machine |
| CN108224002A (en) * | 2018-03-07 | 2018-06-29 | 海宁瑞峰祥宇影视制作有限公司 | The bindiny mechanism of the body of rod one and the body of rod two in camera support |
| CN108500902A (en) * | 2018-04-16 | 2018-09-07 | 中冶建工集团有限公司 | The installation method of ceiling hangs muscle auxiliary installation device and ceiling hangs muscle |
| CN110410391A (en) * | 2019-08-07 | 2019-11-05 | 深圳市艾米多技术有限公司 | Tight locking button, telescoping tube group, tripod and self-shooting bar |
| WO2021227786A1 (en) * | 2020-05-09 | 2021-11-18 | 浙江捷昌线性驱动科技股份有限公司 | Height-adjustable stand column clearance sheet mounting assembly and height-adjustable stand column |
| CN114909550A (en) * | 2022-03-31 | 2022-08-16 | 华能伊敏煤电有限责任公司 | Connect stable camera |
| CN114909550B (en) * | 2022-03-31 | 2023-11-07 | 华能伊敏煤电有限责任公司 | Connect stable camera |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |