CN104728229A - Three-segment telescopic rod - Google Patents
Three-segment telescopic rod Download PDFInfo
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- CN104728229A CN104728229A CN201510082393.XA CN201510082393A CN104728229A CN 104728229 A CN104728229 A CN 104728229A CN 201510082393 A CN201510082393 A CN 201510082393A CN 104728229 A CN104728229 A CN 104728229A
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- 230000004888 barrier function Effects 0.000 claims description 18
- 230000033001 locomotion Effects 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 15
- 230000008602 contraction Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012536 packaging technology Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/10—Telescoping systems
- F16B7/14—Telescoping systems locking in intermediate non-discrete positions
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Telephone Set Structure (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a three-segment telescopic rod. The three-segment telescopic rod comprises a first branch rod, a second branch rod and a third branch rod which are arrayed in the linear direction, the first branch rod and the second branch rod are tubular, the inner wall of the first branch rod and the outer wall of the second branch rod are correspondingly provided with first threaded structures, the outer wall of the second branch rod and the inner wall of the second branch rod are correspondingly provided with second threaded structures, and the spiral direction of the first threaded structures is opposite to that of the second threaded structures; the three-segment telescopic rod further comprises a limiting structure for limiting rotation of the first branch rod and the third branch rod. As the first branch rod, the second branch rod and the third branch rod are connected through threads opposite in spiral direction, the three-segment telescopic rod is simple in structure and convenient to install, in the stretching or retracting process, the second branch rod is fixed in the vertical direction, and the first branch rod and the third branch rod move at the same time, so that the three-segment telescopic rod stretches or retracts fast and stably.
Description
Technical field
The present invention relates to a kind of flexible rod, particularly relate to a kind of extrusion longer and shrink the less three-section type flexible rod of size.
Background technique
The relative two-section type flexible rod of three-section type flexible rod, due to many section telescopic bars, under making identical extrusion, three-section type flexible rod is longer than the extrusion of two-section type flexible rod than three-section type flexible rod under little, the identical contraction size of the contraction size of two-section type flexible rod, its effect is apparent, can conserve space, be convenient for carrying.
Current three-section type flexible rod common configuration is complicated.If application number is the Chinese utility model patent of 200720046666.6, its complex structure, and the realization that three-section type stretches needs multiple spline, the complicated cost of production process of spline is higher, and when three-section type flexible rod is stretched out, meticulous spline easily deforms.If do not pursue quality to make every effort to reduce costs, baroque three-section type flexible rod accessory intensity and precision deficiency, in use easily break down; Cost of production hurricane can be caused high if pursue quality simply, be unfavorable for civilian popularization.
Therefore, need that a kind of structure is simple, cost of production is lower, the three-section type flexible rod of stable performance, can produce and extensively promote the use of in life resident to make three-section type flexible rod.
Summary of the invention
The object of this invention is to provide that a kind of structure is simple, cost of production is lower, the three-section type flexible rod of stable performance, can produce and extensively promote the use of in life the common people to make three-section type flexible rod.
To achieve these goals, the invention discloses a kind of three-section type flexible rod, comprise linearly arrange the first pole, the second pole and the 3rd pole, described first pole and described second pole are in a tubular form; The inwall of described first pole and the outer wall correspondence of described second pole are provided with the first worm structure, the outer wall of described 3rd pole and the inwall correspondence of described second pole are provided with the second worm structure, and the Hand of spiral of described first worm structure and described second worm structure is contrary; Described second pole is in being vertically fixedly installed, and described first pole and described 3rd pole can be connected to described second pole up or down; Described three-section type flexible rod also comprises the limit structure of described first pole of restriction and described 3rd pole rotation.
Compared with prior art, three-section type flexible rod provided by the invention, first pole, the second pole and the 3rd pole mutual sheathing, and by contrary being threaded of Hand of spiral between the first pole, the second pole and the 3rd pole, and the first pole and the 3rd pole not rotatable, when driving the second pole to rotate towards a direction, first pole and the 3rd pole are moved three-section type flexible rod of the present invention in opposite directions and are shunk, when driving the second pole to rotate towards other direction, the first pole and the opposing mobile three-section type flexible rod of the present invention of the 3rd pole are stretched out.Compared with prior art, three-section type flexible rod provided by the invention, first pole, the second pole and the 3rd pole are by means of only contrary being threaded of Hand of spiral, structure is simply easy for installation, and in the process of stretching out or shrink, first pole and the 3rd pole are moved simultaneously, make the speed of stretching out or shrinking very fast, and more stable.
Preferably, described three-section type flexible rod also comprises the power plant driving described second pole rotation to stretch to realize described three-section type flexible rod; Power plant can be motor, are worked by the switch control rule power plant of outside, drive the rotation of the second pole, can drive the first pole and the 3rd pole in opposite directions movement carry out shrinking or the first pole and the opposing movement of the 3rd pole are stretched out.
Particularly, the output terminal of described power plant is connected to the outer wall of described second pole.
Particularly, described power plant are connected to the end of the second pole away from the first pole; Power plant are connected to the end of described second pole away from described first pole, thus move in opposite directions the first pole and the 3rd pole, in the process of the first pole coated second pole gradually, do not cause interference to the movement of the first pole.
Particularly, described three-section type flexible rod also comprises the housing of coated described first pole, described second pole and described 3rd pole; The setting of housing, can effectively prevent foreign matter from twisting in three-section type flexible rod, thus ensures the normal work of three-section type flexible rod of the present invention.
Particularly, described housing comprises the first housing, the second housing and the 3rd housing, and described first pole and described 3rd pole are fixedly connected on described first housing and described 3rd housing respectively, and described second pole is connected to described second housing rotationally; Described first housing and described 3rd housing form described limit structure.
Particularly, the cross section of described first housing, described second housing and described 3rd housing is similar fitgures, and the cross sectional area of described first housing, described second housing and described 3rd housing increases successively or reduces; To stretch out or in the process of shrinking, the first housing, the second housing and the 3rd housing also can be stretched out accordingly or shrink the first pole, the second pole and the 3rd pole.
Particularly, rectangular, circular, the oval or kidney-shaped of the cross section of described first housing, described second housing and described 3rd housing; The performance of shape of cross section on three-section type flexible rod of the present invention of the first housing, described second housing and described 3rd housing does not affect, as long as housing have can accommodating first pole, the second pole and the 3rd pole cavity, the arbitrary shape extended to form in vertical direction with certain shape of cross section.
Particularly, described first housing, described second housing and described 3rd housing are all arranged in gap between any two, and between described first housing both sides relative with described second housing, be folded with the first guiding barrier structure that the movement direction along described first housing arranges respectively, what the movement direction be folded with respectively between the relative both sides of described second housing and described 3rd housing along described second housing was arranged second to lead barrier structure; Between first housing, described second housing and described 3rd housing by means of only first guiding barrier structure and second guiding barrier structure have contact and all in gap between other faces, reduce the surface friction drag produced between three-section type flexible rod telescopic process middle shell of the present invention on the one hand, the outward appearance of housing can not produce friction cut on the other hand, makes the profile of three-section type flexible rod of the present invention neat and artistic.
Particularly, described first housing, described second housing and described 3rd housing are respectively to described first pole, second pole and described 3rd pole are recessed to form strip projection, described strip projection deviates from described first pole, the side of the second pole and described 3rd pole forms strip groove, be located in the described strip projection between described first housing and described second housing and the described first guiding barrier structure of described strip groove formation, be located in the described strip projection between described second housing and described 3rd housing and the described second guiding barrier structure of described strip groove formation, according to technique scheme, strip projection and strip groove and housing one-body molded, without the need to processing separately, simplifying and producing and packaging technology.
Accompanying drawing explanation
Fig. 1 is the contraction state schematic diagram of three-section type flexible rod of the present invention.
Fig. 2 is the internal structure schematic diagram after housing removed by three-section type flexible rod of the present invention.
Fig. 3 is the decomposing schematic representation of three-section type flexible rod of the present invention.
Fig. 4 is the sectional view in Fig. 1 on A-A direction.
Fig. 5 is the sectional view in Fig. 1 on B-B direction.
Fig. 6 is the enlarged view in C portion in Fig. 5.
Fig. 7 is the extended state schematic diagram of three-section type flexible rod of the present invention.
Fig. 8 is the sectional view in Fig. 7 on D-D direction.
Embodiment
By describing technology contents of the present invention, structure characteristics in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with mode of execution.
As shown in Figure 1-Figure 3, three-section type flexible rod provided by the invention comprises the first pole 100, second pole 200 and the 3rd pole 300, first pole 100 linearly arranged and the second pole 200 in a tubular form; The inwall of the first pole 100 and the outer wall correspondence of the second pole 200 are provided with the first worm structure, the outer wall of the 3rd pole 300 and the inwall correspondence of the second pole 200 are provided with the second worm structure, and the Hand of spiral of the first worm structure and the second worm structure is contrary; Three-section type flexible rod of the present invention also comprises the limit structure of restriction first pole 100 and the rotation of the 3rd pole 300.Shown in composition graphs 4-Fig. 8, more specifically:
As shown in Figure 4 and Figure 5, the circular in cross-section of the inner diameter hole of the first pole 100 in a tubular form, the external wall cross-section of the second pole 200 is also in corresponding circle, and the first pole 100 is in a tubular form socketed on the second pole 200 outer wall by its inner diameter hole; The cross section of the inner diameter hole of the second pole 200 is in a tubular form also rounded, and the external diameter cross section of the 3rd pole 300 is also in corresponding circle, and the second pole 200 is in a tubular form socketed on the 3rd pole 300 outer wall by its inner diameter hole.Three-section type flexible rod provided by the invention being stretched out by three poles of mutually socket or being shunk, with realize three-section type flexible rod stretch out longer dimension and to shrink size less.In the present embodiment, the outer wall of the first pole 100 is cylindrical, and the 3rd pole 300 is in solid round bar shape, but not as limit, the outer wall of the first pole 100 can be designed to arbitrary shape as required, and not affecting using effect of the present invention at all, the 3rd pole 300 can also be designed to tubular structure as the first pole 100 and the second pole 200.
Refer to shown in Fig. 1-Fig. 5 again, to stretch out or in contraction process for preventing three-section type flexible rod of the present invention, twist the normal work affecting three-section type flexible rod into foreign matter because of carelessness, three-section type flexible rod of the present invention arranges coated housing 500 outside the first pole 100, second pole 200 and the 3rd pole 300.Particularly, housing 500 to comprise on the upside of coated first pole 100 and the first housing 510 of surrounding side, the second housing 520 of coated second pole 200 surrounding side and the 3rd housing 530 of coated 3rd pole 300 surrounding side and downside.One end that first pole 100 deviates from the second pole 200 is fixedly connected on the first housing 510, one end that 3rd pole 300 deviates from the second pole 200 is fixedly connected on the 3rd housing 530, first housing 510 and the 3rd housing 530 and is construed as limiting the limit structure that the first pole 100 and the 3rd pole 300 rotate.
For do not affect three-section type flexible rod of the present invention work and can perfect coated first pole 100, second pole 200, and the 3rd pole 300, first housing 510, second housing 520, and the 3rd the cross section of housing 530 be similar fitgures, and the first housing 510, second housing 520, and the 3rd the cross sectional area of housing 530 reduce successively, the inner wall size of the first housing 510 is slightly larger than the outer wall dimension of the second housing 520, the inner wall size of the second housing 520 is slightly larger than the outer wall dimension of the 3rd housing 530, thus the first pole 100, second pole 200, and the 3rd pole 300 to stretch out or in the process of shrinking, first housing 510, second housing 520, and the 3rd housing 530 also can stretch out accordingly or shrink.In other embodiments being different from the present embodiment, the cross sectional area of the first housing 510, second housing 520 and the 3rd housing 530 can also increase gradually, can realize equally stretching out or in the process of shrinking the first pole 100, second pole 200 and the 3rd pole 300, the object that the first housing 510, second housing 520 and the 3rd housing 530 can be stretched out accordingly or shrink.
Refer to shown in Fig. 5 and Fig. 6, the inner wall size of the first housing 510 is slightly larger than the outer wall dimension of the second housing 520, the inner wall size of the second housing 520 slightly larger than the outer wall dimension of the 3rd housing 530, and dimension difference is greatly within 10mm again.For making the first housing 510, second housing 520, and the 3rd housing 530 all arrange in gap between any two, thus realize three-section type flexible rod of the present invention can not produce larger surface friction drag between telescopic process middle shell, beautiful shape degree simultaneously also for preventing the outer wall of housing generation friction cut from having influence on three-section type flexible rod of the present invention, the technological scheme that the present invention takes is: the first guiding barrier structure 500a that the movement direction be folded with respectively between the both sides that the first housing 510 is relative with the second housing 530 along the first housing 510 is arranged, the second guiding barrier structure 500b that the movement direction be folded with respectively between the relative both sides of the second housing 520 and the 3rd housing 530 along the second housing 520 is arranged, between first housing 510, second housing 520 and the 3rd housing 530 by means of only the first guiding barrier structure 500a and second guiding barrier structure 500b has contact all in gap between other faces.This gap width is roughly 2-5mm.
Refer to again shown in Fig. 6, first housing 510, second housing 520 and the 3rd housing 530 protrude out respectively to the first pole 100, second pole 200 and the 3rd pole 300 and form strip projection, the side that strip projection deviates from the first pole 100, second pole 200 and the 3rd pole 300 is recessed to form strip groove, be located in the strip projection between the first housing 510 and the second housing 520 and strip groove formation first guiding barrier structure 500a, be located in the strip projection between the second housing 520 and the 3rd housing 530 and strip groove formation second guiding barrier structure 500b.More specifically: in the present embodiment, the size of the first housing 510, second housing 520 and the 3rd housing 530 reduces gradually, that is, the first housing 510 is sheathed on the second housing 520, second housing 520 and is sheathed on the 3rd housing 530; First housing 510 left and right sides protrudes out respectively to the first housing 510 and forms strip projection 511, second housing 520 left and right sides protrudes out respectively to the 3rd housing 530 and forms strip projection 521, and strip projection 521 is recessed to form strip groove 522 towards the side of strip projection 511; 3rd housing 530 left and right sides protrudes out respectively to the 3rd pole 300 and forms strip projection 531, and strip projection 531 is recessed to form strip groove 532 towards the side of strip projection 521; First housing 510, second housing 520 and the 3rd housing 530 mutually sheathed, make strip projection 511 stretch into strip groove 522 and form the first guiding barrier structure 500a, strip projection 521 stretches into strip groove 532 and forms the second guiding barrier structure 500b.According to this technological scheme, strip projection and strip groove and housing one-body molded, without the need to processing separately, simplifying and producing and packaging technology.Preferably, between strip projection 511 and strip groove 522, respectively sandwiched wear-resistant material layer 500c between strip projection 521 and strip groove 532.
Second pole 200 is arranged rotationally.Particularly, as shown in Figure 2 and Figure 4, connecting plate 230 is fixedly connected on the inwall of the second housing 520; Second pole 200 is connected to connecting plate 230 rotationally by bearing 231, make the second pole 200 rotatable and the second pole 200 connecting plate 230 is immovable in vertical direction relatively, thus realize the location to the second pole 200.The outer wall of the second pole 200 is in a tubular form provided with the first worm structure, inwall is provided with the second worm structure, and the Hand of spiral of the first worm structure and the second worm structure is contrary.
First pole 100 is not rotatable, and the first pole 100 can relative second pole 200 move up and down in vertical direction.Particularly, as shown in Figure 4 and Figure 8, the inner wall sleeve of the first housing 510 is connected to the outside of the second housing 520, and the upper end of the first pole 100 is fixedly connected on the first housing 510, thus realizes the location to the first pole 100; The inwall correspondence of the first pole 100 is in a tubular form provided with the first worm structure, and is threaded with the second pole 200 by the first worm structure; In the process that the second pole 200 rotates, first pole 100 is moved to the direction of the second pole 200 and coated second pole 200 or move to the direction away from the second pole 200, thus the first pole 100 and the first housing 510 can relative second pole 200 and the second housing 520 be moved up and down.
3rd pole 300 is similar to the first pole 100: the 3rd pole 300 is not rotatable, and the 3rd pole 300 can relative second pole 200 move up and down in vertical direction.Particularly, as shown in Figure 4 and Figure 8, the inner wall sleeve of the second housing 520 is connected to the outside of the 3rd housing 530, and the lower end of the 3rd pole 300 is fixedly connected on the 3rd housing 530, thus realizes the location to the 3rd pole 300; The outer wall correspondence of the 3rd pole 300 is provided with the second worm structure, and is threaded with the second pole 200 by the second worm structure; In the process that the second pole 200 rotates, direction from first pole 100 to the second pole 200 and move in the inner diameter hole entering the second pole 200 or to the direction away from the second pole, thus the 3rd pole 300 and the 3rd housing 530 can relative second pole 200 and the second housing 520 be moved up and down.
According to above-mentioned technological scheme, when the second pole 200 is rotated, the first pole 100 and the 3rd pole 300 is driven respectively via contrary the first worm structure of Hand of spiral and the second worm structure, first pole 100 and the 3rd pole 300 are moved or opposing movement in opposite directions, thus realizes stretching out or shrinking of three-section type flexible rod of the present invention.Further, when three-section type flexible rod of the present invention uses, the first pole 100 or the 3rd pole 300 are fixed.
Shown in as shown in Fig. 1 and Fig. 4-8, in the present embodiment, first housing 510, second housing 520 is similar rectangular configuration with the cross section of the 3rd housing 530, namely, first housing 510 for upside close, downside open wide hollow quadratic body structure, the hollow quadratic body structure that second housing 520 all opens wide in upper and lower both sides, the 3rd housing 530 is upside is opened wide, downside is closed hollow quadratic body structure.Be different from other embodiments, first housing 510, second housing 520 and the cross section of the 3rd housing 530 can also be similar rectangle, circle, ellipse, kidney-shaped, polygonal, fan-shaped etc., as long as have can the cavity of accommodating first pole 100, second pole 200 and the 3rd pole 300 arbitrary shape extended to form in vertical direction with certain shape of cross section for it.
Further, three-section type flexible rod provided by the invention also comprises for driving the second pole 200 to rotate, to realize the power plant 400 that three-section type flexible rod is stretched out or shunk.Particularly, as shown in Fig. 2, Fig. 4 and Fig. 8, power plant 400 are fixedly connected on connecting plate 230, and the output terminal of power plant 400 is fixedly installed driving wheel 410, second pole 200 is fixedly installed follower 430 away from the outer wall of one end of the first pole 100, driving wheel 410 is connected by crawler belt 420 with follower 430, and power plant 400 drive the second pole 200 to rotate by crawler belt 420, to realize moving in opposite directions or opposing movement of the first pole 100 and the 3rd pole 300.In other embodiments being different from the present embodiment, power plant 400 can also drive the second pole 200 to rotate by the mode such as gear transmission, chain transmission.Power plant 400 can be motor, by being arranged at the work of the switch control rule power plant 400 of housing 500 outside, the first pole 100 can be driven to move relative to the second pole 200 with the 3rd pole 300.More specifically, power plant 400 can forward and reverse direction rotate, to drive the second pole 200 to rotate forward or counterrotating, thus realize the first pole 100 and the 3rd pole 300 move toward one another, the first pole 100 and the opposing motion of the 3rd pole 300 two kinds of motion states.
Connecting plate 230 the installation that its object is to be convenient to the second pole 200 and power plant 400 is on the one hand set, be on the other hand to avoid arranging of power plant 400 to interfere mobile generation the in the inner diameter hole of the 3rd pole 300 retraction second pole 200.Shown in composition graphs 5, particularly: connecting plate 230 is fixedly connected on the sidewall of the second housing 520 along the bolt that the movement direction of the 3rd housing 530 is arranged by the left and right sides, and have the gap being greater than the 3rd housing 530 sidewall thickness between connecting plate 230 and the sidewall of the second housing 520; The position of the corresponding bolt of the 3rd housing 530 offers two escape groove; When the second pole 200 rotate, the 3rd pole 300 and the 3rd housing 530 move to the second pole 200 time, bolt enters in escape groove.
Shown in composition graphs 1-Fig. 8, the working procedure of three-section type flexible rod provided by the invention is described in detail:
When three-section type flexible rod provided by the invention is in contraction state, as shown in Figure 1 and Figure 4, first pole 100, second pole 200 and the 3rd pole 300 are contracted to the state of socket mutually, now, the first housing 510, second housing 520 and the 3rd housing 530 that are connected to the first pole 100, second pole 200 and the 3rd pole 300 are also the contraction state be mutually socketed.
Start external switch control power plant 400 to work, the driving wheel 410 being positioned at power plant 400 output terminal drives follower 430 through crawler belt 420, thus drives the second pole 200 to rotate; The first pole 100 be positioned at outside the second pole 200 is not rotatable, under the effect of the first worm structure, straight up away from the second pole 200; The 3rd pole 100 be positioned at inside the second pole 200 is also not rotatable, under the effect of the second worm structure, moves away from the second pole 200 to the downside contrary with the first pole 100 moving direction.Power plant 400 control the second pole 200 and rotate, until the first pole 100 is relative to the 3rd pole 300 extended state extremely as shown in Figure 5 and Figure 6.
Three-section type flexible rod provided by the invention, first pole 100, second pole 200 and the 3rd pole 300 mutual sheathing, and by contrary being threaded of Hand of spiral between the first pole 100, second pole 200 and the 3rd pole 300, power plant 400 drive the second pole 200 to rotate forward or rotate backward, move three-section type flexible rod of the present invention in opposite directions to make the first pole 100 and the 3rd pole 300 to shrink, or the first pole 100 and the opposing mobile three-section type flexible rod of the present invention of the 3rd pole 300 are stretched out.Compared with prior art, three-section type flexible rod provided by the invention, first pole 100, second pole 200 and the 3rd pole 300 are by means of only contrary being threaded of Hand of spiral, structure is simply easy for installation, and in the process of stretching out or shrink, second pole 200 is moved in vertical direction internal fixtion, the first pole 100 and the 3rd pole 300 simultaneously, makes the speed of stretching out or shrinking very fast, and more stable.
Above disclosedly be only the preferred embodiments of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the present patent application the scope of the claims is done, still belong to the scope that the present invention is contained.
Claims (10)
1. a three-section type flexible rod, is characterized in that: comprise linearly arrange the first pole, the second pole and the 3rd pole, described first pole and described second pole are in a tubular form; The inwall of described first pole and the outer wall correspondence of described second pole are provided with the first worm structure, the outer wall of described 3rd pole and the inwall correspondence of described second pole are provided with the second worm structure, and the Hand of spiral of described first worm structure and described second worm structure is contrary; Described three-section type flexible rod also comprises the limit structure of described first pole of restriction and described 3rd pole rotation.
2. three-section type flexible rod as claimed in claim 1, is characterized in that: described three-section type flexible rod also comprises the power plant driving described second pole rotation to stretch to realize described three-section type flexible rod.
3. three-section type flexible rod as claimed in claim 2, is characterized in that: the output terminal of described power plant is connected to the outer wall of described second pole.
4. three-section type flexible rod as claimed in claim 3, is characterized in that: described power plant are connected to the end of described second pole away from described first pole.
5. the three-section type flexible rod as described in any one of claim 2-4, is characterized in that: described three-section type flexible rod also comprises the housing of coated described first pole, described second pole and described 3rd pole.
6. three-section type flexible rod as claimed in claim 5, it is characterized in that: described housing comprises the first housing, the second housing and the 3rd housing, described first pole and described 3rd pole are fixedly connected on described first housing and described 3rd housing respectively, described second pole is connected to described second housing rotationally, and described power plant are fixedly connected on described second housing; Described first housing and described 3rd housing form described limit structure.
7. three-section type flexible rod as claimed in claim 6, it is characterized in that: the cross section of described first housing, described second housing and described 3rd housing is similar fitgures, and the cross sectional area of described first housing, described second housing and described 3rd housing increases successively or reduces.
8. three-section type flexible rod as claimed in claim 7, is characterized in that: the cross section of described first housing, described second housing and described 3rd housing is rectangular, circular, ellipse or kidney-shaped.
9. three-section type flexible rod as claimed in claim 6, it is characterized in that: described first housing, described second housing and described 3rd housing are all arranged in gap between any two, and between described first housing both sides relative with described second housing, be folded with the first guiding barrier structure that the movement direction along described first housing arranges respectively, what the movement direction be folded with respectively between the relative both sides of described second housing and described 3rd housing along described second housing was arranged second to lead barrier structure.
10. three-section type flexible rod as claimed in claim 9, it is characterized in that: described first housing, described second housing and described 3rd housing are corresponding to described first pole respectively, second pole and described 3rd pole are recessed to form strip projection, described strip projection deviates from described first pole, the side of the second pole and described 3rd pole forms strip groove, be located in the described strip projection between described first housing and described second housing and the described first guiding barrier structure of described strip groove formation, be located in the described strip projection between described second housing and described 3rd housing and the described second guiding barrier structure of described strip groove formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510082393.XA CN104728229B (en) | 2015-02-13 | 2015-02-13 | Three-segment telescopic rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510082393.XA CN104728229B (en) | 2015-02-13 | 2015-02-13 | Three-segment telescopic rod |
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| Publication Number | Publication Date |
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| CN104728229A true CN104728229A (en) | 2015-06-24 |
| CN104728229B CN104728229B (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510082393.XA Active CN104728229B (en) | 2015-02-13 | 2015-02-13 | Three-segment telescopic rod |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076196A (en) * | 2022-07-25 | 2022-09-20 | 山东东艺数字科技有限公司 | Mechanism falls fast to virtual reality registration multistage gravity |
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| CN2652478Y (en) * | 2003-09-29 | 2004-11-03 | 王胜健 | Telescopic toy support seat |
| CN203223719U (en) * | 2013-02-17 | 2013-10-02 | 北京中家智锐科技有限公司 | Electric lifting apparatus for semi-sphere sound-power test support |
| CN204083691U (en) * | 2014-08-27 | 2015-01-07 | 李文倩 | A kind of photograph auto heterodyne flexible rod |
| CN204553449U (en) * | 2015-02-13 | 2015-08-12 | 东莞照彰五金电器制品有限公司 | Three-section type flexible rod |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115076196A (en) * | 2022-07-25 | 2022-09-20 | 山东东艺数字科技有限公司 | Mechanism falls fast to virtual reality registration multistage gravity |
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| CN104728229B (en) | 2017-01-11 |
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