CN104019095A - Lifting structure capable of being located in stepless mode - Google Patents
Lifting structure capable of being located in stepless mode Download PDFInfo
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- CN104019095A CN104019095A CN201410267226.8A CN201410267226A CN104019095A CN 104019095 A CN104019095 A CN 104019095A CN 201410267226 A CN201410267226 A CN 201410267226A CN 104019095 A CN104019095 A CN 104019095A
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- sleeve
- locating piece
- pipe
- tubule
- guidance set
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Abstract
The invention discloses a lifting structure capable of being located in a stepless mode. The lifting structure comprises a sleeve pipe component, pipe plug components, a locking piece, a locating piece and a guiding component. The pipe plug components are arranged at the two ends of the sleeve pipe component, the locking piece is used for locking sleeve pipes of the sleeve pipe component, the locating piece is arranged between the sleeve pipes of the sleeve pipe component and used for locating the relative position of the sleeve pipes of the sleeve pipe component, and the guiding component is arranged between the sleeve pipes of the sleeve pipe component and used for guiding relative movement of the sleeve pipes. Compared with the prior art, the lifting structure has the advantages that a simple axial deviation taper sleeve is utilized to enable axes of the larger pipe and the smaller pipe to shift to form mechanical locking, the smaller pipe is sleeved with the axial deviation taper sleeve and can freely slide up and down, and when the smaller pipe ascends and descends to any positions, as long as the axial deviation taper sleeve falls down to sleeve the outer larger pipe, the smaller pipe is immediately locked and can not move; the number of parts is small, assembling is simple, and manufacturing cost is low.
Description
Technical field
The present invention relates to lowering or hoisting gear, specifically, relate to the lifting structure of a kind of fast stepless location.
Background technique
The product of two joints that use in the market or the rising of a few joint or reduction function, as: extension ladder, lifting bar etc., all just utilize traditional eccentric handle locking and unclamp method, the method that screw locking unclamps or the localization method of positioning dowel etc. are realized being locked after inner tube lifting, and its shortcoming is that part is many, and assembling is complicated, lifting and locking speed are slow, and load-bearing pressure finite sum manufacture cost is high.
Summary of the invention
The object of the invention is to overcome the defect of existing traditional product, a kind of easy fast stepless positioned-lifting structure is provided.
For achieving the above object, the present invention is by the following technical solutions:
A lifting structure for fast stepless location, it includes thimble assembly, pipe close assembly, locking element, locating piece and guidance set, and described pipe close assembly is located at the two ends of described thimble assembly; Described locking element is for locking the sleeve pipe between described thimble assembly; Described locating piece is located between the sleeve pipe of described thimble assembly, for locating the relative position of the sleeve pipe between described thimble assembly; Described guidance set is located between the sleeve pipe of described thimble assembly, and the relative movement of each sleeve pipe is play the guiding role.
Above-mentioned thimble assembly, it includes at least two sleeve pipes, and described sleeve pipe is sheathed successively.
Above-mentioned thimble assembly comprises two sleeve pipes, is respectively tubule and bassoon, and described bassoon is sheathed on outside described tubule, and described locating piece and guidance set are located between described tubule and bassoon.
Above-mentioned sleeve pipe group comprises three sleeve pipes, is respectively tubule, middle pipe and bassoon, and described bassoon is set in outside described middle pipe, and described middle pipe box is located at outside described tubule; Between described tubule and middle pipe, be provided with described locating piece and guidance set; Between described middle pipe and bassoon, be provided with described locating piece and guidance set.
Above-mentioned guidance set is connected with described tubule, and described tubule is done upper and lower displacement along described large inner tube wall under the leading role of described guidance set.
Above-mentioned guidance set is configured as establishes ring-type jaggy, and to inside and outside each, extends and be formed with projection on described ring bodies.
Above-mentioned locating piece is ring bodies, and the number of described locating piece is corresponding with the number of sleeve pipe in described thimble assembly, and described locating piece is between two adjacent sleeve pipes of being located at respectively in described thimble assembly.
The lifting structure of above-mentioned fast stepless location, when described thimble assembly comprises two sleeve pipes, described locating piece is set on described tubule, and described large inner tube wall is provided with the inner groove of accommodating described locating piece; On described large inner tube wall, along it, be axially arranged with groove, the described guidance set projection being shaped that stretches out is arranged in the groove being axially shaped along it on described large inner tube wall just; The projection place that on described little inner tube wall, corresponding described guidance set extends internally is provided with depression.
The lifting structure of above-mentioned fast stepless location, when described thimble assembly comprises three sleeve pipes, described locating piece is two, and described guidance set is two groups, first locating piece is set on described tubule, and second locating piece is set on described middle pipe; Described middle inner tube wall is provided with the inner groove of accommodating first described locating piece, and the inwall of described bassoon is provided with the inner groove of accommodating second described locating piece; On described middle pipe and the inwall of bassoon along separately be axially arranged with groove, the projection being shaped that stretches out of first described guidance set is arranged in the groove that described inner tube wall is axially shaped along it just, and the projection being shaped that stretches out of second described guidance set is arranged in the groove that described large inner tube wall is axially shaped along it just; On described tubule, first corresponding described guidance set projection place being shaped that extends internally is provided with depression; On described middle pipe, second corresponding described guidance set projection place being shaped that extends internally is provided with depression.
The number of above-mentioned locking element is corresponding with the number of sleeve pipe in described thimble assembly, and it is configured as axial deviation coning sleeve, is sheathed on adjacent two sleeve pipes in described thimble assembly.
Adopt after technique scheme, the present invention compares with existing background technique, and tool has the following advantages:
It has passed through to utilize easily axial deviation coning sleeve to make the journal offset of large tubule form mechanical locking, at tubule overcoat, has axial deviation coning sleeve freely to slide up and down; When tubule rising and decline arbitrary position, as long as axial deviation coning sleeve falls and entangles outer bassoon, lock at once tubule and can not move; And part is few, assembling is simple, low cost of manufacture, coupling mechanism force is changed by the strength pressing down and increases, better solved due to the weight of the object on lifting bar increase or the activity duration long, allow lifting bar decline or lose coupling mechanism force and produce sinking, cause personnel's injures and deaths or the loss of property.
Accompanying drawing explanation
Fig. 1 is perspective exploded view of the present invention;
Fig. 2 is three-dimensional combination schematic diagram of the present invention;
Fig. 3 is 180 degree sectional views of tubule of the present invention;
Fig. 4 is 90 degree sectional views two of tubule of the present invention;
Fig. 5 is 90 degree sectional views of bassoon;
Fig. 6 is 180 degree sectional views of bassoon;
Fig. 7 is the sectional view of holding up direction of Fig. 2;
Fig. 8 is the floor map at the section place of Fig. 7;
Fig. 9 is the partial enlarged drawing of Fig. 7;
Figure 10 is the partial enlarged drawing of Fig. 8;
Figure 11 is the cross-sectional schematic diagram at A-A place in Fig. 8;
Figure 12 is the floor map at Figure 11 section place;
Figure 13 is the cross-sectional schematic diagram at B-B place in Fig. 8;
Figure 14 is the floor map at Figure 13 section place;
Figure 15 is the structural representation of guidance set of the present invention;
Figure 16 is the combination schematic diagram of the embodiment of the present invention two.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Embodiment one:
As shown in Figure 1, 2, the invention discloses the lifting structure of a kind of fast stepless location, it includes thimble assembly 1, pipe close assembly 2, locking element 3, locating piece 4 and guidance set 5, wherein:
In the present embodiment, thimble assembly 1 includes two sleeve pipes, is respectively tubule 11 and bassoon 12.
Shown in figure 3,4, tubule 11, its inwall is provided with the groove 111 along its axial direction, the effect of this groove 111, with being axially arranged with groove 123 along it on the inwall of bassoon 12, being played guiding and is prevented rotation, the position in its underpart, be provided with depression 112, in the present embodiment, depression 112 is two, distributes up and down.
Shown in figure 5,6, bassoon 12, its upper end 121 is configured as inwardly contraction-like; In bassoon 12, near the position of upper end, inwall is provided with the inner groove 122 of accommodating locating piece 4, on the inwall of bassoon 12, along it, is axially arranged with groove 123.
During assembling, sleeve pipe is sheathed successively.In the present embodiment, shown in figure 7,8, bassoon 12 is sheathed on outside tubule 11, and locating piece 4 and guidance set 5 are located at 12 of tubule 11 and bassoons.
Pipe close assembly 2, it is located at the two ends of thimble assembly 1; In the present embodiment, it is provided with two, is respectively tubule plug 21 and large pipe close 22, and tubule plug 21 is plugged in the upper end of tubule 11.Large pipe close 22 is plugged in the lower end of bassoon 12.
Locking element 3, its number is corresponding with the number of sleeve pipe in thimble assembly 1, if when thimble assembly 1 includes two sleeve pipes, the number of locking element 3 is one; When if thimble assembly 1 includes three sleeve pipes, the number of locking element 3 is two; When if thimble assembly 1 comprises four sleeve pipes, the number of locking element 3 is three; Tire out and push away successively.
Shown in figure 1,7,8,9,10, in the present embodiment, locking element 3 is one; It is configured as axial deviation coning sleeve, and the shaft axis of the sleeve pipe of its axis and thimble assembly 1 is to have a parallel error X, and in the specific implementation, the value of parallel error X is that weight and sleeve pipe are big or small to be determined according to bearing, and generally can select between 0.5～2mm.
During assembling, locking element 3 is set in outside tubule 11, it can freely slide up and down, when tubule 11 risings and decline arbitrary position, as long as locking element 3 falls while entangling outer bassoon 12, lock at once tubule 11 and can not move, while needing release, slightly mention locking element 3, tubule 11 just can freely move up and down along bassoon 12 again.
Shown in figure 1, Fig. 7-12, locating piece 4, it is configured as ring bodies, and the number of locating piece is corresponding with the number of sleeve pipe in thimble assembly, if when thimble assembly 1 includes two sleeve pipes, the number of locating piece 4 is one; When if thimble assembly 1 includes three sleeve pipes, the number of locating piece 4 is two; When if thimble assembly 1 comprises four sleeve pipes, the number of locating piece 4 is three; Tire out and push away successively.In the present embodiment, locating piece 4 is one.
Locating piece 4 is between two adjacent sleeve pipes of being located in thimble assembly 1.In the present embodiment, it is located between tubule 11 and bassoon 12.That is, shown in figure 9,10, locating piece 4 is set on tubule 11, and is positioned at the inner groove 122 of the inwall of bassoon 12.Tubule 11 can move up and down by relative positioning part 4.Inner groove 122 places that nylon positioning ring 4 is fixed on bassoon 12 prevent that tubule 11 from deviating from and locating.
Shown in figure 1,13,14,15, in the present embodiment, guidance set 5 is provided with two; Guidance set 5 is configured as the ring-type that is provided with breach 51, and to inside and outside each, extends and be formed with projection 52,53 on ring bodies.The projection 53 of guidance set 5 is located in the depression 112 of tubule 11 and is connected with tubule 11, and projection 52 is arranged in the groove 123 axially arranging along it on the inwall of bassoon 12 just; Tubule 11 is done upper and lower displacement along bassoon 12 inwalls under the leading role of guidance set 5.
During assembling, shown in figure 7,8, locking element 3 is for the tubule 11,12 of 1 of locking sleeve assembly; Locating piece 4 is located between the sleeve pipe of thimble assembly 1, for the relative position of the sleeve pipe of 1 of locating sleeve assembly; Guidance set 5 is located between the sleeve pipe of thimble assembly 1, and the relative movement of each sleeve pipe is play the guiding role.That is,, when tubule 11 moves up, guidance set 5 will be fixed on the interior nylon positioning ring 4 of bassoon 12 to be stoped; At tubule 11 overcoats, there is locking element 3 freely to slide up and down, when tubule 11 risings and decline arbitrary position, as long as locking element 3 falls and entangles outer bassoon 12, lock at once tubule 11 and can not move, slightly mention locking element 3, tubule 11 just can freely move up and down along bassoon 12.
Embodiment two:
Shown in Figure 16, thimble assembly 1 comprises three sleeve pipes, is respectively tubule 11, middle pipe 13 and bassoon 12, and bassoon 12 is set in outside middle pipe 13, and middle pipe 13 is set in outside tubule 11; 13 of tubule 11 and middle pipes are provided with locating piece 4 and guidance set 5; 12 of middle pipe 13 and bassoons are provided with locating piece 4 and guidance set 5.In the present embodiment, locking element 3 is two, and locating piece 4 is two.Guidance set 5 is four.
Its assembling mode is identical with embodiment one, and when assembling, first locating piece is set on tubule 11, and second locating piece is set on middle pipe 13; The inwall of middle pipe 13 is provided with the inner groove of accommodating first locating piece, and the inwall of bassoon 12 is provided with the inner groove of accommodating second locating piece; On the inwall of middle pipe 13 and bassoon 12 along separately be axially arranged with groove, the projection being shaped that stretches out of first guidance set is arranged in the groove that pipe 13 inwalls are axially shaped along it just, and the projection being shaped that stretches out of second guidance set is arranged in the groove that bassoon 12 inwalls are axially shaped along it just; On tubule 11, corresponding first guidance set projection place being shaped that extends internally is provided with depression; On middle pipe 13, corresponding second guidance set projection place being shaped that extends internally is provided with depression.
In use, tubule 11 under the leading role of the first guidance set, can be relatively in pipe 13 move up and down, and while being moved upwards up to the first locating piece, stop.Middle pipe 13 is under the leading role of the second guidance set, and bassoon 12 moves up and down relatively, and while being moved upwards up to the second locating piece, stops.In like manner, two locking elements 3 carry out locking operation to tubule 11 and middle pipe 13, middle pipe 13 with bassoon 12 respectively.Compare with embodiment one, the length that the present embodiment can extend is longer.
When pipe box assembly does not need to lead, the groove 123 axially arranging along it on the inwall of bassoon 12 and the projection 53 of guidance set 5 can be cancelled, and can't affect tubule 11 and move up and down along bassoon 12 inwalls, and tubule 11 can be in bassoon 12 inwall 360 degree rotations; When tubule 11 moves up, guidance set 5 will be fixed on the interior nylon positioning ring 4 of bassoon 12 to be stoped; At tubule 11 overcoats, there is locking element 3 freely to slide up and down, when tubule 11 risings and decline arbitrary position, as long as locking element 3 falls and entangles outer bassoon 12, lock at once tubule 11 and can not move, slightly mention locking element 3, tubule 11 just can freely move up and down along bassoon 12.
The above; be only the present invention's embodiment preferably, but protection scope of the present invention is not limited to this, is anyly familiar with in technical scope that those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1. a lifting structure for fast stepless location, is characterized in that: it includes thimble assembly, pipe close assembly, locking element, locating piece and guidance set, and described pipe close assembly is located at the two ends of described thimble assembly; Described locking element is for locking the sleeve pipe between described thimble assembly; Described locating piece is located between the sleeve pipe of described thimble assembly, for locating the relative position of the sleeve pipe between described thimble assembly; Described guidance set is located between the sleeve pipe of described thimble assembly, and the relative movement of each sleeve pipe is play the guiding role.
2. the lifting structure that fast stepless according to claim 1 is located, is characterized in that: described thimble assembly, and it includes at least two sleeve pipes, and described sleeve pipe is sheathed successively.
3. the lifting structure that fast stepless according to claim 2 is located, it is characterized in that: described thimble assembly comprises two sleeve pipes, be respectively tubule and bassoon, described bassoon is sheathed on outside described tubule, and described locating piece and guidance set are located between described tubule and bassoon.
4. the lifting structure that fast stepless according to claim 2 is located, it is characterized in that: described sleeve pipe group comprises three sleeve pipes, is respectively tubule, middle pipe and bassoon, described bassoon is set in outside described middle pipe, and described middle pipe box is located at outside described tubule; Between described tubule and middle pipe, be provided with described locating piece and guidance set; Between described middle pipe and bassoon, be provided with described locating piece and guidance set.
5. the lifting structure of fast stepless according to claim 3 location, is characterized in that: described guidance set is connected with described tubule, and described tubule is done upper and lower displacement along described large inner tube wall under the leading role of described guidance set.
6. the lifting structure of fast stepless according to claim 1 location, is characterized in that: described guidance set is configured as establishes ring-type jaggy, and to inside and outside each, extends and be formed with projection on described ring bodies.
7. according to the lifting structure of the arbitrary described fast stepless of claim 1～6 location, it is characterized in that: described locating piece is ring bodies, the number of described locating piece is corresponding with the number of sleeve pipe in described thimble assembly, and described locating piece is between two adjacent sleeve pipes of being located at respectively in described thimble assembly.
8. the lifting structure that fast stepless according to claim 7 is located, it is characterized in that: when described thimble assembly comprises two sleeve pipes, described locating piece is set on described tubule, and described large inner tube wall is provided with the inner groove of accommodating described locating piece; On described large inner tube wall, along it, be axially arranged with groove, the described guidance set projection being shaped that stretches out is arranged in the groove being axially shaped along it on described large inner tube wall just; The projection place that on described little inner tube wall, corresponding described guidance set extends internally is provided with depression.
9. the lifting structure that fast stepless according to claim 7 is located, it is characterized in that: when described thimble assembly comprises three sleeve pipes, described locating piece is two, described guidance set is two groups, first locating piece is set on described tubule, and second locating piece is set on described middle pipe; Described middle inner tube wall is provided with the inner groove of accommodating first described locating piece, and the inwall of described bassoon is provided with the inner groove of accommodating second described locating piece; On described middle pipe and the inwall of bassoon along separately be axially arranged with groove, the projection being shaped that stretches out of first described guidance set is arranged in the groove that described inner tube wall is axially shaped along it just, and the projection being shaped that stretches out of second described guidance set is arranged in the groove that described large inner tube wall is axially shaped along it just; On described tubule, first corresponding described guidance set projection place being shaped that extends internally is provided with depression; On described middle pipe, second corresponding described guidance set projection place being shaped that extends internally is provided with depression.
10. according to the lifting structure of the arbitrary described fast stepless of claim 1～6 location, it is characterized in that: the number of described locking element is corresponding with the number of sleeve pipe in described thimble assembly, it is configured as axial deviation coning sleeve, the shaft axis of the sleeve pipe of described axial deviation coning sleeve axis and described thimble assembly is to have a parallel error X, and described axial deviation coning sleeve is located on adjacent two sleeve pipes in described thimble assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410267226.8A CN104019095B (en) | 2014-06-16 | 2014-06-16 | The lifting structure of fast stepless location |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410267226.8A CN104019095B (en) | 2014-06-16 | 2014-06-16 | The lifting structure of fast stepless location |
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| Publication Number | Publication Date |
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| CN104019095A true CN104019095A (en) | 2014-09-03 |
| CN104019095B CN104019095B (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410267226.8A Active CN104019095B (en) | 2014-06-16 | 2014-06-16 | The lifting structure of fast stepless location |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10072790B2 (en) | 2014-09-22 | 2018-09-11 | Kaizhi CHEN | Stepless rapid extendable multipod with built-in power supply |
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| CN203584999U (en) * | 2013-11-28 | 2014-05-07 | 山东英吉多健康产业有限公司 | Stepless position adjusting device for training parts of body builder |
| CN204041655U (en) * | 2014-06-16 | 2014-12-24 | 佛山市开信光电有限公司 | The lifting structure of fast stepless location |
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- 2014-06-16 CN CN201410267226.8A patent/CN104019095B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103174716A (en) * | 2013-01-17 | 2013-06-26 | 何文波 | Multi-level freely telescopic rod |
| CN203430933U (en) * | 2013-06-26 | 2014-02-12 | 广州市番禺盈力气弹簧制造有限公司 | Telescoping mechanism with length fixed freely |
| DE202013104225U1 (en) * | 2013-09-16 | 2013-10-08 | Alfred Härer GmbH | clamping device |
| CN103591096A (en) * | 2013-10-12 | 2014-02-19 | 苏州市吴中区曙光铜管厂 | Telescopic copper pipe component |
| CN203584999U (en) * | 2013-11-28 | 2014-05-07 | 山东英吉多健康产业有限公司 | Stepless position adjusting device for training parts of body builder |
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Cited By (1)
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| US10072790B2 (en) | 2014-09-22 | 2018-09-11 | Kaizhi CHEN | Stepless rapid extendable multipod with built-in power supply |
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| Publication number | Publication date |
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| CN104019095B (en) | 2016-01-13 |
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