CN103174716A - Multi-level freely telescopic rod - Google Patents
Multi-level freely telescopic rod Download PDFInfo
- Publication number
- CN103174716A CN103174716A CN2013100194996A CN201310019499A CN103174716A CN 103174716 A CN103174716 A CN 103174716A CN 2013100194996 A CN2013100194996 A CN 2013100194996A CN 201310019499 A CN201310019499 A CN 201310019499A CN 103174716 A CN103174716 A CN 103174716A
- Authority
- CN
- China
- Prior art keywords
- level
- outer tube
- order
- fixed
- different levels
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005266 casting Methods 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000003100 immobilizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- F16B7/105—Telescoping systems locking in discrete positions, e.g. in extreme extended position
-
- 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
- F16B7/16—Telescoping systems locking in intermediate non-discrete positions locking only against movement in one direction
Abstract
The invention discloses a multi-level freely telescopic rod. The telescopic rod comprises n levels of outer pipes, n levels of positioning elastic pieces, n levels of positioning pieces and n levels of rotating inner pressing pieces, wherein n is a natural number. The telescopic rod further comprises (n+1) levels of inner pipes, an (n+1)th level of outer pipe, an external rotating piece and a spring, wherein inner walls of each level of outer wall is evenly provided with a plurality of sawtooth-level positions, each level of positioning piece is provided with notches, one end of each level of positioning elastic piece is correspondingly fixed in each level of positioning piece, and the other end of each positioning elastic piece penetrates through the notches on each level of positioning pieces and is then clamped with the sawtooth level positions of each outer pipe. A non-level state can be considered as long as the sawtooth level positions of the inner walls of the outer pipes are dense enough, and the length of the telescopic rod can be extended according to occasion requirements. When the extended length is confirmed, motion is stopped, and the positioning elastic pieces and the sawtooth level positions are automatically locked after being clamped. When the rod is retracted, only the external rotating piece needs controlling, and a plurality of segments of the rod can be simultaneously retracted; and when operations are finished, the telescopic rod automatically returns.
Description
Technical field
The present invention relates to a kind of flexible rod, relate in particular to a kind of multistage free-extension bar.
Background technique
At present, can use flexible principle on camera support or blind person's guide rod, certain length that just stretches when the user need to use just reclaims when not needing to use, can effectively reach volume little, use flexibly, be convenient for carrying texts.Therefore photograph flexible rod or blind person with flexible rod in the process of using, the action that often can stretch or reclaim, and that the locking mode of these two actions mainly contains is following several:
The one, locking with locking element maybe needs to move to certain fixing position and could lock, stretch or reclaim if existing flexible rod is employing pin-and-hole and adaptive realization that is arranged on the pin rod on shell fragment, need in use firmly to press pin rod, make the pin rod resilience leave former pin-and-hole, to reach the effect of recovery, but in this process the quantity of pin-and-hole be fix and also seldom because pin rod is difficult to be fixed on fast on different pin-and-holes.Although the effect that this process also can reach locking and reclaim, this needing to be only suitable for the occasion of few several length change, and Applicable scope is minimum, can't reach the effect how long that how long just stretches that can stretch.
The 2nd, complete by the compressing frictional force between two parts when locking, as the eccentric pipe that uses on the market.Utilize the difference of pipe diameter at different levels to realize that two flexible rods that are connected are fastenedly connected; but in use; when vibration or dynamics occurring and be not suitable for the situation of (dynamics is inadequate or excessive); easily occur getting loose or reclaim not easy to operate; particularly when multistage is locked; often can occur certain section and lock to get tension, and certain section not tight.The defectives such as above-mentioned flexible rod has operation inconvenience, waste time and energy.
In addition, the inner tube wall of existing flexible rod is single-stage mostly, and the user in use can't realize multi-stage expansion according to the needs of self.Therefore, this flexible rod is subject to the restriction in space when the integral telescopic state, and when the larger flexible trip of needs, this flexible rod just can't use.
By above-mentioned description, the demand that existing flexible rod can't satisfying the market.
Summary of the invention
For the deficiency that exists in above-mentioned technology, the invention provides a kind of simple in structure, easy to operate, locking fast and fixing fast multistage free-extension bar, by the sawtooth level that arranges on outer tube and the effect of Location resilient piece, can realize the flexible of fast stepless.
For achieving the above object, the invention provides a kind of multistage free-extension bar, comprise casting die in n level outer tube, n level Location resilient piece, n level locating piece and the rotation of n level, wherein said n is natural number; Casting die corresponding being fixed on the top of locating pieces at different levels one by one respectively in described rotation at different levels, described rear class outer tube is actively socketed in the prime outer tube, evenly be provided with respectively a plurality of sawtooth levels on the inwall of described outer tubes at different levels, be provided with breach on described locating piece at different levels, one end of described Location resilient pieces at different levels correspondence one by one is fixed in locating pieces at different levels, and the sawtooth level that the other end of described Location resilient pieces at different levels runs through after breach on locating pieces at different levels with outer tubes at different levels fastens; The top of described rear class outer tube all is fixed on the bottom of prime locating piece;
Described flexible rod also comprises n+1 level inner tube, n+1 level outer tube, external rotating part and spring; Described inner tube at different levels is separately fixed on the interior casting die of rotations at different levels, and described rear class inner tube is actively socketed in the prime inner tube, the open-topped of described external rotating part and the sealing of its bottom, the bottom of described n+1 level inner tube is fixed on the external rotating part after by spring, and the bottom of described n+1 level outer tube is fixed on the external rotating part.
Wherein, described flexible rod also comprises n level bounding means, and described prime bounding means is movably set in the outer of rear class outer tube and places, and the bottom of described outer tubes at different levels one by one correspondence be fixed in bounding meanss at different levels.
Wherein, described external rotating part is made of outer shroud and interior ring; The bottom of described n+1 level inner tube is fixed in interior ring, and the bottom of described n+1 level outer tube is fixed in outer shroud.
Wherein, described flexible rod also comprises link, and an end of described link connects the inwall of n+1 level outer tube, the other end linking springs of described link.
Wherein, the inwall of described outer shroud is provided with dop, and the outer wall of described n+1 level outer tube is provided with the buckling groove suitable with dop.
Wherein, in the described first order is rotated, casting die is provided with the first groove, and described first order inner tube is provided with first projection suitable with the first groove.
Wherein, described flexible rod also comprises nut, and the bottom of described outer tubes at different levels is fixed in bounding meanss at different levels by nut.
Wherein, described flexible rod comprises first order outer tube, second level outer tube and third level outer tube; Described second level outer tube is actively socketed in first order outer tube, and described third level outer tube is actively socketed in the outer tube of the second level;
Casting die in rotate the second level that in the first order that described flexible rod also comprises first order Location resilient piece, second level Location resilient piece, first order locating piece, second level locating piece, be fixedly connected with the top of first order locating piece is rotated, casting die is fixedly connected with top with second level locating piece; Evenly be provided with respectively a plurality of sawtooth levels on the inwall of described first order outer tube and second level outer tube, described first order locating piece is provided with the first breach, and described second level locating piece is provided with the second breach; One end of described first order Location resilient piece is fixed in first order locating piece, the sawtooth level that the other end of described first order Location resilient piece runs through after the first breach with first order outer tube fastens, one end of described first order Location resilient piece is fixed in the locating piece of the second level, and the sawtooth level that the other end of described second level Location resilient piece runs through after the second breach with second level outer tube fastens; The top of described second level outer tube is fixed on first order locating piece, and the top of described third level outer tube is fixed on the locating piece of the second level;
Described flexible rod also comprises first order inner tube, second level inner tube, third level inner tube, external rotating part and the spring that is connected with the external rotating part; Described first order inner tube is fixed on the first order and rotates on interior casting die, second level inner tube is fixed on the second level and rotates on interior casting die, described second level inner tube is actively socketed in first order inner tube, described third level inner tube is actively socketed in the inner tube of the second level, the open-topped of described external rotating part and the sealing of its bottom, the bottom of described the 3rd inner tube is fixed on the external rotating part after by spring, and the bottom of described third level outer tube is fixed on the external rotating part.
Compared with prior art, multistage free-extension bar provided by the invention has following beneficial effect:
1, quick locking: current n level outer tube up stretches from n+1 level outer tube, Location resilient piece rises in next contracting one of effect of sawtooth level, stretching can make progress arbitrarily, when stretching stops, Location resilient piece just opens and blocks the sawtooth level, reaching the function of locking, but do not need to recycle just quick locking of other locking elements, reached the effect of easy and simple to handle and Rapid positioning locking.
2, stepless stretching: the prime outer tube is actively socketed in the rear class outer tube, can realize the flexible up and down of this multistage outer tube, and sawtooth level on the inwall of outer tubes at different levels, and as long as these sawtooth levels are enough close, just can regard stepless state as.
3, controlling one can reclaim by multistage: in the time will reclaiming, as long as rotate the external rotating part, driving Location resilient piece by the common rotation of casting die and locating pieces at different levels in inner tubes at different levels, rotation at different levels inwardly reclaims, this moment, Location resilient piece just left the sawtooth level, realized that thus the random multistage of three outer tubes reclaims; In addition, n+1 level inner tube is got back to reset condition automatically under the effect of spring.
4, sum up: the present invention has simple in structure, easy to operate, locking fast and the characteristics such as long service life, and as long as the enough close words of the sawtooth level on outer tube wall, just can regard stepless state as, the length of this flexible rod can stretch according to the needs of occasion, stop action after determining tensile elongation, Location resilient piece is auto lock at once; During recovery, as long as control the external rotating part, just can reclaim simultaneously multistage, and operate complete after, the flexible rod self-return.
Description of drawings
Fig. 1 is the structure sectional view of multistage free-extension bar specific embodiment of the present invention;
Fig. 2 is the plan view of multistage free-extension bar specific embodiment of the present invention.
The primary component symbol description is as follows:
11, first order outer tube 12, second level outer tube
13, third level outer tube 14, first order bounding means
15, second level bounding means 16, first order Location resilient piece
17, second level Location resilient piece 18, first order locating piece
19, casting die in second level locating piece 20, the first order are rotated
21, casting die 22, first order inner tube in rotate the second level
23, second level inner tube 24, third level inner tube
25, external rotating part 26, spring
27, the sawtooth level of link 111, first order outer tube
121, the sawtooth level of the sawtooth level 131 of second level outer tube, third level outer tube
132, buckling groove 181, the first pull ring
191, the second pull ring 201, the first groove
221, the first projection 251, outer shroud
252, interior ring 2511, dop
Embodiment
In order more clearly to explain the present invention, below in conjunction with accompanying drawing, the present invention is done to describe further.
Multistage free-extension bar provided by the invention comprises casting die in n level outer tube, n level Location resilient piece, n level locating piece and the rotation of n level, and wherein n is natural number; Casting die corresponding being fixed on the top of locating pieces at different levels one by one respectively in rotations at different levels, the rear class outer tube is actively socketed in the prime outer tube, evenly be provided with respectively a plurality of sawtooth levels on the inwall of outer tubes at different levels, be provided with breach on locating pieces at different levels, one end of Location resilient pieces at different levels correspondence one by one is fixed in locating pieces at different levels, and the sawtooth level that the other end of Location resilient pieces at different levels runs through after breach on locating pieces at different levels with outer tubes at different levels fastens; The top of rear class outer tube all is fixed on the bottom of prime locating piece;
Flexible rod also comprises n+1 level inner tube, n+1 level outer tube, external rotating part and spring; Inner tubes at different levels are separately fixed on the interior casting die of rotations at different levels, and the rear class inner tube is actively socketed in the prime inner tube, the open-topped of external rotating part and the sealing of its bottom, the bottom of n+1 level inner tube is fixed on the external rotating part after by spring, and the bottom of n+1 level outer tube is fixed on the external rotating part.
In the present invention, flexible rod also comprises n level bounding means, and the prime bounding means is movably set in the outer of rear class outer tube and places, and the bottom of outer tubes at different levels one by one correspondence be fixed in bounding meanss at different levels.
In the present invention, the external rotating part is made of outer shroud and interior ring; The bottom of n+1 level inner tube is fixed in interior ring, and the bottom of n+1 level outer tube is fixed in outer shroud.
In the present invention, flexible rod also comprises link, and an end of link connects the inwall of n+1 level outer tube, the other end linking springs of link.After being recovered to certain position, when loosing one's grip, n+1 level inner tube self-return under the effect of spring to reset condition, makes this flexible rod after using for a long time, and the position keeps relatively immobilizing.
In the present invention, the inwall of outer shroud is provided with dop, and the outer wall of n+1 level outer tube is provided with the buckling groove suitable with dop.The present invention is suitable by dop and buckling groove, realizes being fixedly connected with of n+1 level and external rotating part, and certainly, the present invention is not limited to and adopts above-mentioned this means of fixation, other means of fixation such as can also adopt welding, be spirally connected; If to the change of n+1 level outer tube with the mode that is fixedly connected with of external rotating part, all belong to simple variation of the present invention or conversion, fall into protection scope of the present invention.
In the present invention, in the first order is rotated, casting die is provided with the first groove, and first order inner tube is provided with first projection suitable with the first groove.
In the present invention, flexible rod also comprises nut, and the bottom of outer tubes at different levels is fixed in bounding meanss at different levels by nut.Make bounding means all the time along with outer tube is done fore and aft motion together.Certainly, the present invention is not limited to and adopts above-mentioned this means of fixation, can also adopt other means of fixation such as welding, injection moulding; If to the change of bounding means with the mode that is fixedly connected with of outer tube, all belong to simple variation of the present invention or conversion, fall into protection scope of the present invention.
See also Fig. 1-2, it is 2 specific embodiment that this case provides n, and this flexible rod comprises first order outer tube 11, second level outer tube 12 and third level outer tube 13; Second level outer tube 12 is actively socketed in first order outer tube 11, and third level outer tube 13 is actively socketed in second level outer tube 12;
Casting die 21 in rotate the second level that in the first order that flexible rod also comprises first order Location resilient piece 16, second level Location resilient piece 17, first order locating piece 18, second level locating piece 19, be fixedly connected with the top of first order locating piece 18 is rotated, casting die 20 is fixedly connected with top with second level locating piece 19; Evenly be provided with respectively a plurality of sawtooth levels on the inwall of first order outer tube 11 and second level outer tube 12, first order locating piece 18 is provided with the first breach 181, and second level locating piece 19 is provided with the second breach 191; One end of first order Location resilient piece 16 is fixed in first order locating piece 18, the other end of first order Location resilient piece 16 runs through the first breach 181 sawtooth level 111 rear and first order outer tube and fastens, one end of first order Location resilient piece 16 is fixed in second level locating piece 19, and the other end of second level Location resilient piece 17 runs through the second breach 191 sawtooth level 121 rear and second level outer tube and fastens; The top of second level outer tube 12 is fixed on first order locating piece 18, and the top of third level outer tube 13 is fixed on second level locating piece 19; Third level outer tube 13 is in the process that flexible rod stretches, along with second level locating piece 19 moves together.The present invention be by sawtooth level and Location resilient piece engage to realize locking and positioning, therefore as long as the sawtooth level 111 of first order outer tube and the sawtooth level 121 of second level outer tube are designed to stepless form, just can realize the stepless retractable of this flexible rod.
Flexible rod also comprises first order inner tube 22, second level inner tube 23, third level inner tube 24, external rotating part 25 and the spring 26 that is connected with external rotating part 25; First order inner tube 22 is fixed on the first order and rotates on interior casting die 20, second level inner tube 23 is fixed on the second level and rotates on interior casting die 21, second level inner tube 23 is actively socketed in first order inner tube 22, third level inner tube 24 is actively socketed in second level inner tube 23, the open-topped of external rotating part 25 and the sealing of its bottom, the bottom of the 3rd inner tube 24 is fixed on external rotating part 25 after by spring 26, and the bottom of third level outer tube 13 is fixed on external rotating part 25.In in the grade of an inner tube 22, second level inner tube 23, third level inner tube 24, first order are rotated, rotate casting die 20, the second level, casting die 21, first order locating piece 18 and second level locating piece 19 mainly play a role in the callback course of flexible rod.In the present embodiment, flexible rod also comprises first order bounding means 14 and second level bounding means 15, first order bounding means 14 is movably set in the outer of second level outer tube 12 and places, second level bounding means 15 is movably set in the outer of third level outer tube 13 and places, the bottom of first order outer tube 11 is fixed in first order bounding means 14, the bottom of second level outer tube 12 is fixed in second level bounding means 15, second level outer tube 12 is actively socketed in first order outer tube 11, and third level outer tube 13 is actively socketed in second level outer tube 12; Because first order outer tube 11 and second level outer tube 12 are all hollow, at the two bottom socket upper limit spare, can prevent effectively that first order outer tube 11 and the second level outer tube 12 from dropping out, and bounding means in the process of using along with outer tube is done fore and aft motion, and in the process of using, can prevent effectively that in drawing process, finger is scratched, the diameter of three outer tubes being arranged as from big to small: first order outer tube 11, second level outer tube 12, third level outer tube 13.
In the present embodiment, external rotating part 25 is made of outer shroud 251 and interior ring 252; The bottom of third level inner tube 13 is fixed in interior ring 252, and the bottom of third level outer tube 13 is fixed in outer shroud 251.After making third level inner tube 13 and external rotating part 25 being fixedly connected with, the position is relatively-stationary, can not rotate separately, can only rotate together around concentric shafts simultaneously.
In the present embodiment, flexible rod also comprises link 27, one end of link 27 connects the inwall of third level outer tube 13, the other end linking springs 26 of link 27, after being recovered to certain position, when loosing one's grip, third level inner tube 24 self-return under the effect of spring 26 arrives reset condition, make this flexible rod after using for a long time, the position keeps relatively immobilizing.
In the present embodiment, the inwall of outer shroud 251 is provided with dop 2511, and the outer wall of third level outer tube 13 is provided with the buckling groove 132 suitable with dop 2511.The present invention is suitable by dop 2511 and buckling groove 132, realizes being fixedly connected with of third level outer tube 13 and external rotating part 25, and certainly, the present invention is not limited to the above-mentioned this means of fixation of employing, other means of fixation such as can also adopt welding, be spirally connected; If to the change of third level outer tube 13 with the mode that is fixedly connected with of external rotating part 25, all belong to simple variation of the present invention or conversion, fall into protection scope of the present invention.
In the present embodiment, the gap between first order outer tube 11 and second level outer tube 12 is greater than the gap between second level outer tube 12 and third level outer tube 13.These gap design are become descending form, can bear heavier object, when the weight of the object of flexible rod upper support was larger, Location resilient piece can automatically spring open, and coupling mechanism force is larger, and stretch position more is difficult for getting loose.
In the present embodiment, also be provided with on first order locating piece 18 be used to the first order pull ring 181 that prevents that first order outer tube 11 and the central position of second level outer tube 12 from departing from, also be provided with on second level locating piece 19 be used to the second level pull ring 191 that prevents that second level outer tube 12 and the central position of third level outer tube 13 from departing from.The present invention just is contained in first order pull ring 181 in space between first order outer tube 11 and second level outer tube 12, can prevent effectively that the movement of position from appearring in the first order outer tube 11 with second level outer tube 12 in the process that stretches and reclaim, depart from the central position that effectively prevents first order outer tube 11 and second level outer tube 12, in like manner, the effect of second level pull ring 191 is also consistent.Increase first order pull ring 181 and second level pull ring 191, made first order outer tube 11, second level outer tube 12 and third level outer tube 13 these threes' central position all the time on a line.
In the present embodiment, in the first order is rotated, casting die 20 is provided with first order groove 201, and first order inner tube 22 is provided with the first order projection 221 suitable with first order groove 201.The present invention is adaptive by first order groove 201 and first order projection 221, in realizing first order inner tube 22 and the first order being rotated, casting die 20 is fixedly connected with, after making the first order rotate interior casting die 20 and first order inner tube 22 is fixedly connected with, the position is relatively-stationary, can not rotate separately, can only rotate together around concentric shafts simultaneously.Certainly, the present invention is not limited to and adopts above-mentioned this means of fixation, can also adopt other means of fixation such as welding, injection moulding; If to the change of casting die 20 in first order rotation with the mode that is fixedly connected with of first order inner tube 22, all belong to simple variation of the present invention or conversion, fall into protection scope of the present invention.
In the present embodiment, flexible rod also comprises nut, and the bottom of first order outer tube 11 is fixed in first order bounding means 14 by nut, and the bottom of second level outer tube 12 is fixed in second level bounding means 15 by nut.Make bounding means all the time along with outer tube is done fore and aft motion together.Certainly, the present invention is not limited to and adopts above-mentioned this means of fixation, can also adopt other means of fixation such as welding, injection moulding; If to the change of bounding means with the mode that is fixedly connected with of outer tube, all belong to simple variation of the present invention or conversion, fall into protection scope of the present invention.
Multistage free-extension bar provided by the invention has following advantage:
1, quick locking: current n level outer tube up stretches from n+1 level outer tube, Location resilient piece rises in next contracting one of effect of sawtooth level, stretching can make progress arbitrarily, when stretching stops, Location resilient piece just opens and blocks the sawtooth level, to reach the function of locking, but do not need to recycle just quick locking of other locking elements, reached the effect of easy and simple to handle and Rapid positioning locking, the Length Ratio that stretches when need more in short-term, can direct control first order outer tube 11, when the length of first order outer tube 11 is stretched to non-stretchable position, again second level outer tube 12 is stretched, by that analogy, realized that the user can change according to the needs of occasion the length of small distance.
2, stepless stretching: the prime outer tube is actively socketed in the rear class outer tube, can realize the flexible up and down of this multistage outer tube, and sawtooth level on the inwall of outer tubes at different levels, and as long as these sawtooth levels are enough close, just can regard stepless state as.
3, controlling one can reclaim by multistage: in the time will reclaiming, as long as rotate the external rotating part along (direction of arrow in Fig. 2), driving Location resilient piece by the common rotation of casting die and locating pieces at different levels in inner tubes at different levels, rotation at different levels inwardly reclaims, this moment, Location resilient piece just left the sawtooth level, realized that thus the random multistage of three outer tubes reclaims; In addition, n+1 level inner tube is got back to reset condition automatically under the effect of spring.
4, sum up: the present invention has simple in structure, easy to operate, locking fast and the characteristics such as long service life, and as long as the enough close words of the sawtooth level on outer tube wall, just can regard stepless state as, the length of this flexible rod can stretch according to the needs of occasion, stop action after determining tensile elongation, Location resilient piece is auto lock at once; During recovery, as long as control the external rotating part, just can reclaim simultaneously multistage, and operate complete after, the flexible rod self-return.
5, flexible rod provided by the invention can be used for blind person's guide rod or camera support, and the user is length and the locking of quick adjustment flexible rod as required.If be applied on camera support, only need to increase a camera on the top of the first outer tube level 11 and place piece, the user just can save the time of adjusting flexible rod, Quick Catch image; If be applied on blind person's guide rod, can directly increase a handle on the top of first order outer tube 11, just can form the blind person and use guide rod, this guide rod is fit to the people of various heights, and is applicable to various occasions.
Above disclosed be only several specific embodiment of the present invention, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (8)
1. a multistage free-extension bar, is characterized in that, comprises casting die in n level outer tube, n level Location resilient piece, n level locating piece and the rotation of n level, and wherein said n is natural number; Casting die corresponding being fixed on the top of locating pieces at different levels one by one respectively in described rotation at different levels, described rear class outer tube is actively socketed in the prime outer tube, evenly be provided with respectively a plurality of sawtooth levels on the inwall of described outer tubes at different levels, be provided with breach on described locating piece at different levels, one end of described Location resilient pieces at different levels correspondence one by one is fixed in locating pieces at different levels, and the sawtooth level that the other end of described Location resilient pieces at different levels runs through after breach on locating pieces at different levels with outer tubes at different levels fastens; The top of described rear class outer tube all is fixed on the bottom of prime locating piece;
Described flexible rod also comprises n+1 level inner tube, n+1 level outer tube, external rotating part and spring; Described inner tube at different levels is separately fixed on the interior casting die of rotations at different levels, and described rear class inner tube is actively socketed in the prime inner tube, the open-topped of described external rotating part and the sealing of its bottom, the bottom of described n+1 level inner tube is fixed on the external rotating part after by spring, and the bottom of described n+1 level outer tube is fixed on the external rotating part.
2. multistage free-extension bar according to claim 1, it is characterized in that, described flexible rod also comprises n level bounding means, and described prime bounding means is movably set in the outer of rear class outer tube and places, and the bottom of described outer tubes at different levels one by one correspondence be fixed in bounding meanss at different levels.
3. multistage free-extension bar according to claim 1, is characterized in that, described external rotating part is made of outer shroud and interior ring; The bottom of described n+1 level inner tube is fixed in interior ring, and the bottom of described n+1 level outer tube is fixed in outer shroud.
4. multistage free-extension bar according to claim 1, is characterized in that, described flexible rod also comprises link, and an end of described link connects the inwall of n+1 level outer tube, the other end linking springs of described link.
5. multistage free-extension bar according to claim 3, is characterized in that, the inwall of described outer shroud is provided with dop, and the outer wall of described n+1 level outer tube is provided with the buckling groove suitable with dop.
6. multistage free-extension bar according to claim 1, is characterized in that, in the described first order is rotated, casting die is provided with the first groove, and described first order inner tube is provided with first projection suitable with the first groove.
7. multistage free-extension bar according to claim 1, is characterized in that, described flexible rod also comprises nut, and the bottom of described outer tubes at different levels is fixed in bounding meanss at different levels by nut.
8. multistage free-extension bar according to claim 1, is characterized in that, described flexible rod comprises first order outer tube, second level outer tube and third level outer tube; Described second level outer tube is actively socketed in first order outer tube, and described third level outer tube is actively socketed in the outer tube of the second level;
Casting die in rotate the second level that in the first order that described flexible rod also comprises first order Location resilient piece, second level Location resilient piece, first order locating piece, second level locating piece, be fixedly connected with the top of first order locating piece is rotated, casting die is fixedly connected with top with second level locating piece; Evenly be provided with respectively a plurality of sawtooth levels on the inwall of described first order outer tube and second level outer tube, described first order locating piece is provided with the first breach, and described second level locating piece is provided with the second breach; One end of described first order Location resilient piece is fixed in first order locating piece, the sawtooth level that the other end of described first order Location resilient piece runs through after the first breach with first order outer tube fastens, one end of described first order Location resilient piece is fixed in the locating piece of the second level, and the sawtooth level that the other end of described second level Location resilient piece runs through after the second breach with second level outer tube fastens; The top of described second level outer tube is fixed on first order locating piece, and the top of described third level outer tube is fixed on the locating piece of the second level;
Described flexible rod also comprises first order inner tube, second level inner tube, third level inner tube, external rotating part and the spring that is connected with the external rotating part; Described first order inner tube is fixed on the first order and rotates on interior casting die, second level inner tube is fixed on the second level and rotates on interior casting die, described second level inner tube is actively socketed in first order inner tube, described third level inner tube is actively socketed in the inner tube of the second level, the open-topped of described external rotating part and the sealing of its bottom, the bottom of described the 3rd inner tube is fixed on the external rotating part after by spring, and the bottom of described third level outer tube is fixed on the external rotating part.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310019499.6A CN103174716B (en) | 2013-01-17 | 2013-01-17 | Multi-level freely telescopic rod |
| PCT/CN2014/070256 WO2014110990A1 (en) | 2013-01-17 | 2014-01-07 | Multi-level free telescopic rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310019499.6A CN103174716B (en) | 2013-01-17 | 2013-01-17 | Multi-level freely telescopic rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103174716A true CN103174716A (en) | 2013-06-26 |
| CN103174716B CN103174716B (en) | 2015-03-25 |
Family
ID=48634797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310019499.6A Expired - Fee Related CN103174716B (en) | 2013-01-17 | 2013-01-17 | Multi-level freely telescopic rod |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103174716B (en) |
| WO (1) | WO2014110990A1 (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014110990A1 (en) * | 2013-01-17 | 2014-07-24 | He Wenbo | Multi-level free telescopic rod |
| CN104019095A (en) * | 2014-06-16 | 2014-09-03 | 佛山市开信光电有限公司 | Lifting structure capable of being located in stepless mode |
| CN104154083A (en) * | 2014-08-06 | 2014-11-19 | 胡建明 | Telescopic pipe |
| CN105058364A (en) * | 2015-08-17 | 2015-11-18 | 苏州速腾电子科技有限公司 | Telescopic sorting clamp |
| CN105058362A (en) * | 2015-08-17 | 2015-11-18 | 苏州速腾电子科技有限公司 | Clamp for clamping article |
| CN105527783A (en) * | 2016-01-29 | 2016-04-27 | 王海东 | Photographing device |
| CN105919256A (en) * | 2016-06-17 | 2016-09-07 | 祥鑫科技股份有限公司 | Bidirectionally-drawable handle bar |
| CN105996405A (en) * | 2016-08-02 | 2016-10-12 | 佛山市大吉大利科技有限公司 | Drinking bottle capable of increasing capacity |
| CN106041654A (en) * | 2016-08-19 | 2016-10-26 | 李长娟 | Plate surface processing device |
| CN106112714A (en) * | 2016-08-19 | 2016-11-16 | 张文灶 | The durable processing unit (plant) that a kind of plate surface processes |
| CN106108563A (en) * | 2016-08-02 | 2016-11-16 | 佛山市大吉大利科技有限公司 | A kind of watered glass for drinking increasing capacity |
| CN106235828A (en) * | 2016-08-02 | 2016-12-21 | 佛山市大吉大利科技有限公司 | A kind of drinking bottle increasing capacity |
| CN106271928A (en) * | 2016-08-19 | 2017-01-04 | 李长娟 | A kind of plate surface process equipment |
| CN107131191A (en) * | 2017-06-14 | 2017-09-05 | 广东美的环境电器制造有限公司 | A kind of elevating mechanism and fan |
| CN108638996A (en) * | 2018-06-26 | 2018-10-12 | 济南毕昇信息科技有限公司 | A kind of anti-rollover automobile |
| CN110284488A (en) * | 2019-07-16 | 2019-09-27 | 中国港湾工程有限责任公司 | The telescoping mechanism of vibro-replacement stone column machine |
| CN110886940A (en) * | 2019-11-26 | 2020-03-17 | 六安丰恺尼机电科技有限公司 | Folding type supporting and mounting component of 5G signal box |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708141A (en) * | 2018-08-30 | 2018-10-26 | 曹中华 | A kind of Collapsible hanger |
| CN110106617A (en) * | 2019-06-05 | 2019-08-09 | 陈雪梅 | Telescopic structure plays bottom plate steel wire slewing mechanism |
| CN110886748B (en) * | 2019-11-26 | 2021-06-11 | 南京幸庄科技创新产业园管理有限公司 | Elastic locking component of telescopic rod |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4329800A (en) * | 1980-12-02 | 1982-05-18 | Eastern Electrical Equipment Co., Inc. | Adjustable display device |
| US5660495A (en) * | 1995-11-02 | 1997-08-26 | Japan Skyrobot Co., Ltd | Locking-unlocking mechanism for telescopic device |
| CN2431430Y (en) * | 2000-07-06 | 2001-05-23 | 郭晶耀 | Implement of telescopic rod structure |
| DE202006019588U1 (en) * | 2006-12-21 | 2007-03-08 | Fischer Rohrtechnik Gmbh | Telescopic tube connection for vacuum cleaner suction tubes or tripod has latching recesses in inner tube consisting of toothed strip with number of teeth impressed into outer surface of outer tube |
| CN201125905Y (en) * | 2007-08-02 | 2008-10-01 | 胜谷实业股份有限公司 | Telescopic positioning apparatus of primary and secondary fitting |
| CN203230690U (en) * | 2013-01-17 | 2013-10-09 | 何文波 | Multistage free telescopic rod |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174716B (en) * | 2013-01-17 | 2015-03-25 | 何文波 | Multi-level freely telescopic rod |
-
2013
- 2013-01-17 CN CN201310019499.6A patent/CN103174716B/en not_active Expired - Fee Related
-
2014
- 2014-01-07 WO PCT/CN2014/070256 patent/WO2014110990A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4329800A (en) * | 1980-12-02 | 1982-05-18 | Eastern Electrical Equipment Co., Inc. | Adjustable display device |
| US5660495A (en) * | 1995-11-02 | 1997-08-26 | Japan Skyrobot Co., Ltd | Locking-unlocking mechanism for telescopic device |
| CN2431430Y (en) * | 2000-07-06 | 2001-05-23 | 郭晶耀 | Implement of telescopic rod structure |
| DE202006019588U1 (en) * | 2006-12-21 | 2007-03-08 | Fischer Rohrtechnik Gmbh | Telescopic tube connection for vacuum cleaner suction tubes or tripod has latching recesses in inner tube consisting of toothed strip with number of teeth impressed into outer surface of outer tube |
| CN201125905Y (en) * | 2007-08-02 | 2008-10-01 | 胜谷实业股份有限公司 | Telescopic positioning apparatus of primary and secondary fitting |
| CN203230690U (en) * | 2013-01-17 | 2013-10-09 | 何文波 | Multistage free telescopic rod |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014110990A1 (en) * | 2013-01-17 | 2014-07-24 | He Wenbo | Multi-level free telescopic rod |
| CN104019095A (en) * | 2014-06-16 | 2014-09-03 | 佛山市开信光电有限公司 | Lifting structure capable of being located in stepless mode |
| CN104154083A (en) * | 2014-08-06 | 2014-11-19 | 胡建明 | Telescopic pipe |
| CN105058364A (en) * | 2015-08-17 | 2015-11-18 | 苏州速腾电子科技有限公司 | Telescopic sorting clamp |
| CN105058362A (en) * | 2015-08-17 | 2015-11-18 | 苏州速腾电子科技有限公司 | Clamp for clamping article |
| CN105527783A (en) * | 2016-01-29 | 2016-04-27 | 王海东 | Photographing device |
| CN105527783B (en) * | 2016-01-29 | 2018-04-13 | 王海东 | Camera |
| CN105919256A (en) * | 2016-06-17 | 2016-09-07 | 祥鑫科技股份有限公司 | Bidirectionally-drawable handle bar |
| CN106108563B (en) * | 2016-08-02 | 2017-10-10 | 佛山市大吉大利科技有限公司 | It is a kind of to increase the water glass of capacity |
| CN105996405A (en) * | 2016-08-02 | 2016-10-12 | 佛山市大吉大利科技有限公司 | Drinking bottle capable of increasing capacity |
| CN106108563A (en) * | 2016-08-02 | 2016-11-16 | 佛山市大吉大利科技有限公司 | A kind of watered glass for drinking increasing capacity |
| CN106235828A (en) * | 2016-08-02 | 2016-12-21 | 佛山市大吉大利科技有限公司 | A kind of drinking bottle increasing capacity |
| CN106041654A (en) * | 2016-08-19 | 2016-10-26 | 李长娟 | Plate surface processing device |
| CN106271928A (en) * | 2016-08-19 | 2017-01-04 | 李长娟 | A kind of plate surface process equipment |
| CN106112714A (en) * | 2016-08-19 | 2016-11-16 | 张文灶 | The durable processing unit (plant) that a kind of plate surface processes |
| CN107131191A (en) * | 2017-06-14 | 2017-09-05 | 广东美的环境电器制造有限公司 | A kind of elevating mechanism and fan |
| CN108638996A (en) * | 2018-06-26 | 2018-10-12 | 济南毕昇信息科技有限公司 | A kind of anti-rollover automobile |
| CN110284488A (en) * | 2019-07-16 | 2019-09-27 | 中国港湾工程有限责任公司 | The telescoping mechanism of vibro-replacement stone column machine |
| CN110886940A (en) * | 2019-11-26 | 2020-03-17 | 六安丰恺尼机电科技有限公司 | Folding type supporting and mounting component of 5G signal box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103174716B (en) | 2015-03-25 |
| WO2014110990A1 (en) | 2014-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103174716A (en) | Multi-level freely telescopic rod | |
| CN102608843B (en) | Quick-stretching type inverse folding camera tripod | |
| JP3200660U (en) | Center lock and tent | |
| CN101561618B (en) | Portable photographic stand | |
| CN101813112A (en) | Telescopic tube | |
| CN105485108A (en) | Intra-pipe bi-directional automatic locking device | |
| CN203230690U (en) | Multistage free telescopic rod | |
| CN206932262U (en) | The electric expansion bar group structure of self-shooting bar | |
| CN201440199U (en) | Portable shooting tripod | |
| CN103291707A (en) | Leg tube automatic locking device, photography tripod, unipod and crutch | |
| CN205298179U (en) | Intraductal two -way automatic locking device | |
| CN208534931U (en) | One kind is stretched effective locking device and telescoping tube | |
| KR200468605Y1 (en) | Length control equipment of mountain-climbing stick | |
| CN106989636A (en) | A kind of retractable spontoon | |
| CN206226616U (en) | Liquefied natural gas monitoring equipment convenient to install and debug | |
| CN104595310A (en) | Telescopic locking device | |
| CN205956699U (en) | Telescoping support | |
| CN206350048U (en) | A kind of novel portable mobile phone self-shooting bar | |
| CN207935229U (en) | Telescopic rod with quick locking control | |
| CN209306262U (en) | A kind of flexible tainless steel dustbin | |
| CN102189920A (en) | Bidirectional retractable rod device | |
| CN203880337U (en) | Locking mechanism for pan-tilt | |
| CN204176287U (en) | Supporting frame | |
| CN204419785U (en) | A kind of telescopic locking device | |
| CN201335238Y (en) | Controller with extending function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20220117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |