CN102720737A - Lifting adjustment device - Google Patents
Lifting adjustment device Download PDFInfo
- Publication number
- CN102720737A CN102720737A CN2012102132364A CN201210213236A CN102720737A CN 102720737 A CN102720737 A CN 102720737A CN 2012102132364 A CN2012102132364 A CN 2012102132364A CN 201210213236 A CN201210213236 A CN 201210213236A CN 102720737 A CN102720737 A CN 102720737A
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- Prior art keywords
- ring
- surrounding wall
- outer ring
- lift regulator
- bounding means
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Abstract
The invention discloses a lifting adjustment device. The lifting adjustment device comprises an outer ring piece, an inner ring piece which can be arranged in the outer ring piece in a sliding mode, a plurality of positioning pieces which are arranged in the inner ring piece and a limiting piece which is connected with the inner ring piece, wherein the inner ring piece is provided with a pressing part which is protruded out of the outer ring piece; the limiting piece is connected with the pressing part of the inner ring piece and can move between a limiting position and an adjustment and control position relative to the inner ring piece; when moving to the limiting position, the limiting piece is pressed against with the outer ring piece; and when moving to the adjustment and control position, the limiting piece is separated from the outer ring piece to form a gap. When moving to the limiting position, the limiting piece is pressed against the outer ring piece to ensure that the inner ring piece cannot slide and gaps between the inner ring piece and the positioning pieces cannot be easily generated by external force, so that the clamping force of the positioning pieces can be kept stable.
Description
Technical field
The present invention relates to a kind of regulating device, particularly relate to a kind of lift regulator.
Background technique
Consult Fig. 1; Be No. 3335469 " personal security's device " patent of invention case of U. S. Patent; The safety installations 1 that this case discloses comprises the beveled cone 12, that a main body 11, is fixedly arranged on these main body 11 1 ends and is extended through the slider 13 in this beveled cone 12, and several are located at the steel ball 14 of 12 of this slider 13 and this beveled cone.Utilize these main body 11 relative these sliders 13 to spur downwards, the compressing that said steel ball 14 receives this beveled cone 12 can make progress, move inward, and is squeezed in the rope 15 in this slider 13; This rope 15 is gripped by said steel ball 14; This moment, this safety installations 1 can't move relative to this rope 15, and will unclamp this stationary state the time, pushed this slider 13; Said steel ball 14 is moved down; Let the zone of said steel ball 14 to 12 broads of this beveled cone, so this steel ball 14 clamping rope 15 no longer, this moment this safety installations 1 just can slippage on this rope 15, adjust high and low position.
Consult Fig. 2; Be japanese patent laid-open 10-184814 number " slip clamp " patent case; This slip clamp 2 comprises internal members 22, that a shell 21, is extended through in this shell 21 and is arranged in the lid 23 on this internal member 22; And a plurality of spheroids 24 of being located at 22 of this shell 21 and internal members, this shell 21 has a conical surface 211.Suitable with the technology of aforementioned existing U. S. Patent; This lid 23 is pushed in utilization makes this shell 21 relatively move with internal member 22; Let said spheroid 24 move, and can produce the strength of extruding one axostylus axostyle 25, can fix or discharge the position of this slip clamp 2 whereby at this axostylus axostyle 25 at this conical surface 211.
Yet in above-mentioned two cases, this slider 13 or internal member 22 all are not fixed, and therefore might oppress this slider 13 or internal member 22 generation slips because of false touch, and make steel ball 14 or spheroid 24 lose the strength of clamping, and produce the problem of Security; In addition, explain, when this slip clamp 2 receives the active force of deflection with Fig. 2; Said spheroid 24 is relatively inconsistent in the position of this conical surface 211; Therefore said spheroid 24 and 211 of this conical surfaces can gappedly produce, and make the strength of clamping unequal, can't very stably be fixed on this axostylus axostyle 25.
Summary of the invention
The object of the present invention is to provide a kind of chucking power stable, and improve the lift regulator of Security.
Lift regulator of the present invention comprises an outer ring, one and can be located at the interior ring in this outer ring, a plurality of locating piece that is arranged at ring in this slidably, and one with the bounding means that should interior ring be connected.
Should outer ring comprise an outer surrounding wall that centers on a containing space, this outer surrounding wall has a top, and the bottom in contrast to this top, and the internal surface of this outer surrounding wall has first tapering by this bottom convergent towards the top.
Should interior ring can be located in the containing space of this outer ring slidably; Should interior ring comprise that centered on an interior surrounding wall that places the space; And a plurality of elastomers that support to arrive in this interior surrounding wall and outer ring; Should have a press part that protrudes out this outer ring by interior surrounding wall, and a plurality of positioning holes that are positioned at this outer ring.
Said locating piece is arranged at respectively in the positioning hole of ring in this, and leans with first tapering of this outer ring.
This bounding means with should in the press part of ring be connected, and this bounding means can be at the restriction site of a ring against this outside, and one be somebody's turn to do between outer ring regulation and control position separately mobile.
The object of the invention and solve its technical problem and also can adopt following technical measures further to realize.
Preferably; Aforesaid lift regulator, wherein this lift regulator also comprises one and is sheathed on the top of this outer ring and the retaining ring of this bounding means, and this retaining ring has a convex wall; This bounding means is when this regulation and control position, and convex wall and this bounding means of this retaining ring lean.
Preferably; Aforesaid lift regulator; The internal surface of outer surrounding wall that wherein should outer ring also have one by this bottom towards the top convergent and with second tapering separately, this first tapering, and positioning hole that should interior ring is respectively to should first tapering and second tapering.
Preferably, aforesaid lift regulator wherein should outer ring also comprise a block wall that is fixedly arranged on the bottom of this outer surrounding wall, and elastomer of ring is to support to arrive in surrounding wall and this block wall in this in this.
Preferably, aforesaid lift regulator, wherein this lift regulator also comprise a bottom that is sheathed on this outer ring and with this retaining ring packing ring separately.
Preferably, aforesaid lift regulator, outer surrounding wall that wherein should outer ring has an outside thread, and this retaining ring, packing ring have an internal thread and the outer surrounding wall of screw lock ring outside this whereby respectively.
Preferably; Aforesaid lift regulator; Wherein should in the press part of interior surrounding wall of ring have an outside thread, this bounding means has an internal thread and the press part of screw lock surrounding wall in this whereby, and the mode through screw lock is mobile between this restriction site and regulation and control position.
Preferably, aforesaid lift regulator, the elastomer of ring is a pressure spring in wherein being somebody's turn to do.
Beneficial effect of the present invention is: utilize this bounding means when restriction site; This bounding means leans with outer ring; This interior ring can't be slided; Therefore should in ring can not get loose because of false touch makes said locating piece, and let and be difficult for producing between ring and said locating piece in this because of external force has the space, the chucking power of said locating piece is stablized.
Description of drawings
Fig. 1 is a sectional view, and No. the 3335469th, U. S. Patent " personal security's device " is described
The patent of invention case;
Fig. 2 is a sectional view, and japanese patent laid-open 10-184814 number " slip clamp " is described
The patent case;
Fig. 3 is an exploded view, and a preferred embodiment of lift regulator of the present invention is described;
Fig. 4 is a sectional view, explain that this preferred embodiment combines after, a bounding means is in the aspect of a regulation and control position;
Fig. 5 is a sectional view, and the aspect that this bounding means is pressed is described in this preferred embodiment;
Fig. 6 is a sectional view, explains that in this preferred embodiment, this bounding means is in the aspect of a restriction site;
Fig. 7 is a schematic representation, and the use aspect that this preferred embodiment combines with a plate body is described.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
Consult Fig. 3 and Fig. 4; Preferred embodiment for lift regulator 3 of the present invention; Comprise an outer ring 4, can be located at slidably interior ring 5 in this outer ring 4, a plurality of locating piece that is arranged at ring 5 in this 6, one with should in the bounding means 7, that is connected of ring 5 be sheathed on the retaining ring 81 of this outer ring 4 and this bounding means 7, reach one be sheathed on this outer ring 4 and with this retaining ring 81 packing ring 82 separately.
Should outer ring 4 comprise that one centered on the outer surrounding wall 41 of a containing space 415, reach one be fixedly arranged on this outer surrounding wall 41 block wall 42.Should have a top 411 by outer surrounding wall 41; An and bottom 412 in contrast to this top 411; Internal surface that should outer surrounding wall 41 has first tapering 413 by this bottom 412 411 convergents towards the top, reach one by this bottom 412 towards the top 411 convergents and with second tapering 414 separately, this first tapering 413.This block wall 42 is the bottoms 412 that are fixedly arranged on this outer surrounding wall 41.
Should in ring 5 can be located at slidably in the containing space 415 of this outer ring 4, in this ring 5 comprise one center on one place space 511 interior surrounding wall 51, and a plurality of elastomers 52 that support to arrive in the block wall 42 of surrounding wall 51 and outer ring 4 in this.Should in surrounding wall 51 have one protrude out this outer ring 4 press part 512, reach a plurality of positioning holes 513 that are positioned at this outer ring 4.Said positioning hole 513 is respectively to first tapering 413 and second tapering 414 that should outer shroud spare 4.In the present embodiment, the elastomer 52 of ring 5 is pressure springs in this, and this places space 511 and can supply a body of rod 91 to wear, but not as limit, also shown in background technique, supplies a rope to wear.
Said locating piece 6 is arranged at respectively in the positioning hole 513 of ring 5 in this, and leans with first tapering 413, second tapering 414 of this outer ring 4.In the present embodiment, said locating piece 6 is spheroids.
This bounding means 7 is connected with the press part 512 of being somebody's turn to do interior ring 5, and can in being somebody's turn to do, ring 5 between a restriction site and a regulation and control position, move.As shown in Figure 4, in these regulation and control during position, this bounding means 7 with should outer ring 4 be formed with a clearance G separately, and as shown in Figure 6, when this restriction site, this bounding means 7 be somebody's turn to do outer ring 4 and lean.
This retaining ring 81 is the tops 411 that are sheathed on this outer ring 4, and has a convex wall 811, and this bounding means 7 is when this regulation and control position, and convex wall 811 and this bounding means 7 of this retaining ring 81 lean.This packing ring 82 be sheathed on this outer ring 4 bottom 412 and with this retaining ring 81 separately.
What specify is; In the present embodiment; Be somebody's turn to do the outer surrounding wall 41 of outer ring 4 and the press part 512 of this interior ring 5 and have an outside thread 416,514 respectively; This retaining ring 81, packing ring 82 have an internal thread 812,821 respectively, and whereby on the outer surrounding wall 41 of screw lock ring 4 outside this, this bounding means 7 is to have an internal thread 71 and the press part 512 of screw lock surrounding wall 51 in this whereby equally; And the mode through screw lock moves between this restriction site and regulation and control position, but the combination of above-mentioned member is not exceeded with the mode of screw lock.
Consult Fig. 4; When this bounding means 7 is during in this regulation and control position; Pushed on the top 411 of surrounding wall 51 ring 4 outside this in the elastomer 52 of ring 5 will be somebody's turn to do in being somebody's turn to do; Let said locating piece 6 respectively outside this first tapering 413, second tapering 414 on ring 4 move up, and to receive the profile in this first tapering 413, second tapering 414 be respectively the relation of convergent towards the top by the bottom, said locating piece 6 can be pressed to the direction of this body of rod 91 and oppressed this body of rod 91; Strength through the said locating piece 6 compressing bodies of rod 91 makes this lift regulator 3 can be fixed on this body of rod 91.
Consult Fig. 5; And will be with this lift regulator 3 on this body of rod 91 in the slippage downwards, the direction that can push this bounding means 7 and drive the bottom 412 of ring 5 ring 4 outside this in this moves, and said elastomer 52 is compressed and accumulates an elastic-restoring force; At this moment; Said locating piece 6 moves to the zone of broad in this first tapering 413, second tapering 414, and therefore said locating piece 6 no longer pushes this body of rod 91, lets the strength of this body of rod 91 of clamping disappear; So just can adjust this lift regulator 3 slides up and down on the body of rod 91; Unclamp this bounding means 7 afterwards again, ring 5 pushed to aspect as shown in Figure 4 in said elastomer 52 release elastic-restoring forces will be somebody's turn to do, and just can utilize said locating piece 6 that this lift regulator 3 is fixed on this body of rod 91 once more.
Consult Fig. 6; Behind the position of confirming this lift regulator 3, utilize the outside thread 514 of internal thread 71 relative these press parts 512 of this bounding means 7 to curl up, make this bounding means 7 move to this restriction site; This moment, this bounding means 7 leant with the top 411 of being somebody's turn to do outer ring 4; And because after this bounding means 7 leant with outer ring 4, this interior ring 5 just can't the direction of the bottom 412 of ring 4 move outside this, so can't remove the strength of said this body of rod 91 of locating piece 6 clampings; Let this lift regulator 3 remain fixed in the state on the body of rod 91, can not be pressed into this bounding means 7 or interior ring 5 and let this lift regulator 3 on the body of rod 91, get loose because of false touch.Simultaneously; When this bounding means 7 during at this restriction site; This bounding means 7 leans with the top 411 of being somebody's turn to do outer ring 4; Configuration closely, rigidity is higher, makes said locating piece 6 be difficult for these first taperings 413,414 generation spaces, second tapering relatively, lets said locating piece 6 keep the strength of good this body of rod 91 of clamping.
Return back to regulation and control position as shown in Figure 4 and utilize the outside thread 514 of internal thread 71 relative these press parts 512 upwards to curl up equally this bounding means 7; Just can push the position that bounding means 7 is adjusted this lift regulator 3 once more; What specify is that in the time will this bounding means 7 being curled up go back to this regulation and control position, the convex wall 811 on this retaining ring 81 can be resisted against this bounding means 7; More specifically, be that convex wall 811 leans up and down with bounding means 7.Make this bounding means 7 can not break away from ring 5 in this, and the aspect that maintenance and this interior ring 5 are connected.
Consult Fig. 4, Fig. 7, in the use, can on a plurality of bodies of rod 91, be inserted at least one lift regulator 3 respectively; And said lift regulator 3 is adjusted the position according to the aforesaid operations mode; Utilize this bounding means 7 to move to this restriction site and make this lift regulator 3 location, then settle a plate body 92 3 of said lift regulators, this plate body 92 is 82 of retaining ring 81, packing rings; Thus, just utilize this plate body 92 to furnish, take in article.And in the present embodiment; Should outer ring 4 have first tapering 413, second tapering 414, except increasing a plurality of locating pieces 6 reinforcement chucking powers, said locating piece 6 is this body of rod 91 of clamping more fifty-fifty; Even if this plate body 92 is long or article when heavier; Make this lift regulator 3 receive uneven strength, also should outer rings 4 through 82 extruding of this retaining ring 81, packing ring, and reduce the space that 91 of rings 5 and this body of rod in this cause because of uneven strength; Strengthen the strength of said this body of rod 91 of locating piece 6 packings, the strength of said locating piece 6 clampings is stablized, be difficult for getting loose.
Therefore, in the present embodiment, utilize and be somebody's turn to do interior ring 5 slippage in the ring 4 outside this; Make said locating piece 6 clampings or away from this body of rod 91, and can let lift regulator 3 on the body of rod 91, slide, adjust the position, more through moving this bounding means 7 to this restriction site; Restriction should interior ring 5 can't be slided, and this bounding means 7, interior ring 5 can be pressed into because of false touch, removes the strength of clamping; And this bounding means 7 is when this restriction site; The configured in one piece of this lift regulator 3 is tight, and rigidity is high, can keep the strength of this body of rod 91 of clamping.
In sum; Lift regulator 3 of the present invention can make when the restriction site in this ring 5 slide through this bounding means 7, therefore can make this bounding means 7, interior ring 5 can't be pressed and move; Reduce the slip in 414 in the said locating piece 6 and first tapering 413, second tapering and produce the space; The aspect that keeps said locating piece 6 these bodies of rod 91 of extruding, thus safe, more utilize said locating piece 6 to cooperate this first tapering 413, second tapering 414 to make chucking power stable.
Claims (8)
1. a lift regulator comprises an outer ring, an interior ring, and a plurality of locating pieces; Should outer ring comprise an outer surrounding wall that centers on a containing space, this outer surrounding wall has a top, and the bottom in contrast to this top; The internal surface that is somebody's turn to do outer surrounding wall has first tapering by this bottom convergent towards the top, and ring can be located in the containing space of this outer ring slidably in this, and ring comprises that centers on an interior surrounding wall that places the space in this; And a plurality of elastomers that support to arrive in this interior surrounding wall and outer ring; Should have a press part that protrudes out this outer ring by interior surrounding wall, and a plurality of positioning holes that are positioned at this outer ring, said locating piece is arranged at respectively in the positioning hole of ring in this; And lean with first tapering of this outer ring, it is characterized in that:
This lift regulator also comprise one with should in the bounding means that is connected of the press part of ring, and this bounding means can be at the restriction site of a ring against this outside, and one be somebody's turn to do between outer ring regulation and control position separately mobile.
2. lift regulator according to claim 1; It is characterized in that; This lift regulator also comprises one and is sheathed on the top of this outer ring and the retaining ring of this bounding means; This retaining ring has a convex wall, and this bounding means is when this regulation and control position, and convex wall and this bounding means of this retaining ring lean.
3. lift regulator according to claim 2; It is characterized in that; The internal surface of outer surrounding wall that should outer ring also have one by this bottom towards the top convergent and with second tapering separately, this first tapering, and positioning hole that should interior ring is respectively to should first tapering and second tapering.
4. lift regulator according to claim 3 is characterized in that, this outer ring also comprises a block wall that is fixedly arranged on the bottom of this outer surrounding wall, and elastomer of ring is to support to arrive in surrounding wall and this block wall in this in this.
5. according to the arbitrary described lift regulator of claim 2 to 4, it is characterized in that, this lift regulator also comprise a bottom that is sheathed on this outer ring and with this retaining ring packing ring separately.
6. lift regulator according to claim 5 is characterized in that, the outer surrounding wall of this outer ring has an outside thread, and this retaining ring, packing ring have an internal thread and the outer surrounding wall of screw lock ring outside this whereby respectively.
7. lift regulator according to claim 5; It is characterized in that; The press part of the interior surrounding wall of ring has an outside thread in being somebody's turn to do; This bounding means has an internal thread and the press part of screw lock surrounding wall in this whereby, and the mode through screw lock is mobile between this restriction site and regulation and control position.
8. lift regulator according to claim 5 is characterized in that, elastomer of ring is a pressure spring in this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210213236.4A CN102720737B (en) | 2012-06-26 | 2012-06-26 | Lifting adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210213236.4A CN102720737B (en) | 2012-06-26 | 2012-06-26 | Lifting adjustment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102720737A true CN102720737A (en) | 2012-10-10 |
| CN102720737B CN102720737B (en) | 2014-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210213236.4A Expired - Fee Related CN102720737B (en) | 2012-06-26 | 2012-06-26 | Lifting adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102720737B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897697A (en) * | 2012-10-10 | 2013-01-30 | 无锡久一重工机械有限公司 | Four-steel ball safety lock |
| WO2018098973A1 (en) * | 2016-11-30 | 2018-06-07 | 陈建丰 | Locking mechanism, support bar assembly and support apparatus |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3120386A1 (en) * | 1981-05-22 | 1982-12-16 | Braun, Erhard, Dipl.-Ing., 4600 Dortmund | Clamping device for a round bar guided axially in a housing |
| CN2088178U (en) * | 1991-02-25 | 1991-11-06 | 林美森 | Position-locking device of telescope rod |
| JPH10184814A (en) * | 1996-12-26 | 1998-07-14 | Yasuo Matsuda | Slide clamper |
| CN2874100Y (en) * | 2005-08-05 | 2007-02-28 | 冷鹭浩 | Telescopic lube locking device |
| CN101839270A (en) * | 2010-05-19 | 2010-09-22 | 名人行有限公司 | Elevating adjusting device |
| TW201135081A (en) * | 2010-04-09 | 2011-10-16 | Ming Ren Hang Co Ltd | Elevation adjustment device |
-
2012
- 2012-06-26 CN CN201210213236.4A patent/CN102720737B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3120386A1 (en) * | 1981-05-22 | 1982-12-16 | Braun, Erhard, Dipl.-Ing., 4600 Dortmund | Clamping device for a round bar guided axially in a housing |
| CN2088178U (en) * | 1991-02-25 | 1991-11-06 | 林美森 | Position-locking device of telescope rod |
| JPH10184814A (en) * | 1996-12-26 | 1998-07-14 | Yasuo Matsuda | Slide clamper |
| CN2874100Y (en) * | 2005-08-05 | 2007-02-28 | 冷鹭浩 | Telescopic lube locking device |
| TW201135081A (en) * | 2010-04-09 | 2011-10-16 | Ming Ren Hang Co Ltd | Elevation adjustment device |
| CN101839270A (en) * | 2010-05-19 | 2010-09-22 | 名人行有限公司 | Elevating adjusting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897697A (en) * | 2012-10-10 | 2013-01-30 | 无锡久一重工机械有限公司 | Four-steel ball safety lock |
| WO2018098973A1 (en) * | 2016-11-30 | 2018-06-07 | 陈建丰 | Locking mechanism, support bar assembly and support apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102720737B (en) | 2014-05-14 |
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Granted publication date: 20140514 Termination date: 20180626 |