CN206830588U - Automatic telescopic link group structure - Google Patents
Automatic telescopic link group structure Download PDFInfo
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- CN206830588U CN206830588U CN201720573695.1U CN201720573695U CN206830588U CN 206830588 U CN206830588 U CN 206830588U CN 201720573695 U CN201720573695 U CN 201720573695U CN 206830588 U CN206830588 U CN 206830588U
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Abstract
The utility model discloses a kind of automatic telescopic link group structure, including telescopic tube group, the telescoping drive mechanism in telescopic tube group and the control handle for controlling telescoping drive mechanism, wherein described telescopic tube group at least has three section sleeve pipes, each sleeve pipe does not rotate and is provided with escapement between each other, the down tube lower end is fixed on control handle, and the telescoping drive mechanism includes at least three screw rods being mutually spirally connected.The utility model is by controlling the power source in handle to give the power that screw rod rotates, so that rotate between each screw rod being mutually spirally connected and change the length of telescoping drive mechanism, telescoping drive mechanism drives telescopic tube group to realize Automatic-expanding and the function of shrinking and strong fix can be realized in the range of collapsing length, make us use to expansion link it is more convenient, fast.
Description
Technical field
A kind of Telescopic rod structure of the utility model, particularly relate to a kind of automatic telescopic link group structure.
Background technology
Expansion link is socketed to form by more piece rod member, and because small in order to carry and collect with retraction volume, and expansion is
The characteristics of satisfaction uses length requirement, is widely used in daily life, such as fishing rod, alpin-stock, stick, triangle
Support, self-shooting bar etc..
Telescopic rod structure common at present, a kind of is to realize that each rod member mutually deploys or received using the damping piece between loop bar
Positioning after contracting；A kind of is the positioning after being realized each rod member expansion using the keeper of loop bar end set or shunk.No matter what
The structure of kind of mode, the exhibition of this expansion link, which is received, to be both needed to manually operated, needs both hands to adjust length needed for expansion link, nothing repeatedly in use
Method reaches the length needed for user as early as possible, and can there is a situation where to cause expansion link to shrink because of external force after deploying,
Thus working costs is laborious, usage experience is bad.
Utility model content
The purpose of this utility model is to provide a kind of automatic telescopic link group structure, can realize the full-automatic expansion of expansion link
With contraction, and can be realized in any position strong fix in the range of collapsing length.
In order to reach above-mentioned purpose, solution of the present utility model is：
A kind of automatic telescopic link group structure, including telescopic tube group, the telescoping drive mechanism in telescopic tube group with
And the control handle of control telescoping drive mechanism, wherein the telescopic tube group at least has three section sleeve pipes, from top to bottom successively
For upper tube, middle pipe and down tube；Each sleeve pipe does not rotate and is provided with escapement between each other, and the down tube lower end is fixed on
Control on handle；The telescoping drive mechanism includes at least three screw rods being mutually spirally connected, and it is gradual to be followed successively by diameter from bottom to top
Lower beam, middle bar, the upper boom for increasing or being gradually reduced, the upper boom top are fixedly connected with upper tube top, the lower end of the lower beam
It is fixedly connected with the power source in control handle, by the rotation of each screw rod of power source drive, power source is by control handle
Button control.
The upper tube, middle pipe, down tube are the hexa-prism structure to cooperate.
The upper tube, middle pipe, down tube are the cylindrical-shaped structure to cooperate, and the upper tube, middle pipe, down tube are provided with vertically
Direction and the chute and slide rail to cooperate.
The upper end of the upper tube is fixed with one to be fixedly connected with the upper pipe plug of upper boom.
The upper tube, middle pipe, the diameter of down tube are sequentially reduced；The escapement includes first that upper tube lower end build-in has
Upper tube retainer plate, the top of middle pipe be fixed with first in pipe plug, the lower end build-in of middle pipe have the first middle pipe retainer plate, under
First time pipe plug being fixed with the top of pipe；The first upper tube retainer plate is a ring body, and forms convex edge inwards；It is described
The external profile diameter of pipe plug is more than the internal diameter of convex edge, the first middle pipe retainer plate also ring body, and being formed inwards in first
Flange；The external profile diameter of first time pipe plug is more than the internal diameter of flange, pipe plug and first time pipe plug in described first
With central through hole.
The upper tube, middle pipe, the diameter of down tube increase successively；The escapement includes second that upper tube lower end build-in has
The second middle pipe retainer plate that upper pipe plug, the top of middle pipe are fixed with, the lower end build-in of middle pipe have second in pipe plug, down tube
The second down tube retainer plate for being fixed with of top；The upper pipe plug is outwardly formed lug；The second middle pipe retainer plate it is interior
Edge diameter is less than the external diameter of lug, and pipe plug is outwardly formed chimb in described second；The inner edge of the second down tube retainer plate is straight
Footpath is less than the external diameter of chimb, and pipe plug is provided with central through hole in pipe plug and second on described second.
Lower beam, middle bar, the diameter of upper boom in the telescoping drive mechanism increase successively, and the lateral surface of the lower beam has
External screw thread, the medial surface of middle bar have the internal thread coordinated with the external screw thread of lower beam, and the lateral surface of middle bar has external screw thread, upper boom
Medial surface there is the internal thread coordinated with the external screw thread of middle bar.
Lower beam, middle bar, the diameter of upper boom in the telescoping drive mechanism are sequentially reduced, and the medial surface of the lower beam has
Internal thread, the lateral surface of middle bar have the external screw thread with the screw-internal thread fit of lower beam, and the medial surface of middle bar has internal thread, upper boom
Lateral surface there is external screw thread with the screw-internal thread fit of middle bar.
Lower beam, middle bar, the diameter of upper boom in the telescoping drive mechanism increase successively, and the lateral surface of the lower beam has
First external screw thread, lower beam top are provided with first time stem cover, and first time stem cover forms the protuberance of prominent lower beam outer rim；
The lateral surface of the middle bar has the second external screw thread, and the bottom of middle bar is provided with stem nut in first coordinated with the first external screw thread
Portion, stem cover during the middle bar top is provided with first, protuberance of the stem cover formed with bar outer rim in protrusion in described second；Institute
The bottom for stating upper boom is provided with the first upper boom nut portions coordinated with the second external screw thread.
The bottom of the lateral surface of the middle bar is provided with the first outside convex wall.
Lower beam, middle bar, the diameter of upper boom in the telescoping drive mechanism are sequentially reduced, and the top of the lower beam is set inwards
There are the second lower beam nut portions, the lateral surface of the middle bar has the second external screw thread coordinated with the second lower beam nut portions, middle bar bottom
Stem cover during portion is provided with second, in described second stem cover formed it is prominent in bar outer rim protuberance；The top of middle bar is set inwards
Stem nut portion in having second, the upper boom bottom are provided with stem cover on second, and stem cover is formed with prominent upper boom outer rim on second
Protuberance, the lateral surface of upper boom is provided with the 3rd external screw thread coordinated with stem nut portion in second.
The top of the lateral surface of the middle bar is provided with the second outside convex wall.
The power source is mechanically operated change-speed gearing group or rotating motor.
When the utility model needs expansion, pressing control handle button starts power source output power, telescoping drive mechanism
In each screw rod cause telescoping drive mechanism length to become big toward departing from the direction that is spirally connected and rotate, upper boom drives upper tube to rise, upper tube
Rising can drive middle pipe to rise so that whole telescopic tube group expansion；When needing to shrink, then press the button of control handle
Start power source, each screw rod each rotates toward the rotation direction being mutually spirally connected, and the length of telescoping drive mechanism diminishes, upper boom band
Dynamic upper tube moves down fit with respect to middle pipe, while the related middle pipe of upper tube moves down, and pulls middle pipe to be moved down with respect to down tube
Fit, realize the contraction of telescopic tube group.
Structure in summary, the utility model are by controlling the power source in handle to give the spiral shell in telescoping drive mechanism
The power that bar rotates so that rotate between each screw rod mutually wound and change the length of telescoping drive mechanism, stretch
Drive mechanism drive telescopic tube group, which realizes Automatic-expanding and the function of shrinking and can realize to consolidate in the range of collapsing length, determines
Position, make us use to expansion link it is more convenient, fast.
Brief description of the drawings
Fig. 1 is deployed condition schematic diagram of the present utility model（Upper tube, middle pipe, the diameter of down tube are sequentially reduced）；
Fig. 2 is contraction state schematic diagram of the present utility model（Upper tube, middle pipe, the diameter of down tube are sequentially reduced）；
Fig. 3 is deployed condition schematic diagram of the present utility model（Upper tube, middle pipe, the diameter of down tube increase successively）；
Fig. 4 is contraction state schematic diagram of the present utility model（Upper tube, middle pipe, the diameter of down tube increase successively）；
Fig. 5 is the schematic cross-sectional view of the deployed condition of the utility model embodiment one；
Fig. 6 is enlarged drawing at Fig. 5 a；
Fig. 7 is enlarged drawing at Fig. 5 b；
Fig. 8 is the schematic cross-sectional view of the contraction state of the utility model embodiment one；
Fig. 9 is enlarged drawing at Fig. 8 d；
Figure 10 is the schematic cross-sectional view of the deployed condition of the utility model embodiment two；
Figure 11 is enlarged drawing at Figure 10 e；
Figure 12 is enlarged drawing at Figure 10 f；
Figure 13 is the schematic cross-sectional view of the contraction state of the utility model embodiment two；
Figure 14 is enlarged drawing at Figure 13 g；
Figure 15 is the schematic cross-sectional view of the deployed condition of the utility model embodiment three；
Figure 16 is enlarged drawing at Figure 15 h；
Figure 17 is enlarged drawing at Figure 15 i；
Figure 18 is the schematic cross-sectional view of the contraction state of the utility model embodiment three；
Figure 19 is enlarged drawing at Figure 18 j；
Figure 20 is the schematic cross-sectional view of the deployed condition of the utility model embodiment four；
Figure 21 is enlarged drawing at Figure 20 k；
Figure 22 is enlarged drawing at Figure 20 m；
Figure 23 is the schematic cross-sectional view of the contraction state of the utility model embodiment four；
Figure 24 is enlarged drawing at Figure 23 n；
Figure 25 is the sectional view of the utility model telescopic tube group（Upper tube, middle pipe, the diameter of down tube increase successively）.
Embodiment
In order to which the technical solution of the utility model is explained further, the utility model is entered below by specific embodiment
Row elaborates.
As shown in Fig. 1 to Figure 25, a kind of automatic telescopic link group structure that the utility model discloses, including telescopic tube group
A, the telescoping drive mechanism B in a telescopic tube group A and control handle C.
Coordinate shown in Fig. 1 to Figure 25, the telescopic tube group A at least has the hollow sleeve pipe of three sections, from top to bottom successively
For upper tube A1, middle pipe A2 and down tube A3；The upper tube A1, middle pipe A2 and down tube A3 do not relatively rotate and are provided with anti-off line
Structure, prevent telescopic tube group A from sleeve pipe occurring after the expansion and departs from the phenomenon for causing telescopic tube group A to damage；Under wherein described
Pipe A3 is fixed on lower end on control handle C.
Specifically, the upper tube A1, middle pipe A2, down tube A3 can be the hexa-prism structure to cooperate, mutually block
Prevent relative rotation, the upper tube A1, middle pipe A2, down tube A3 be not limited to six prism structures or other
Polygon prism structure；Certain upper tube A1, middle pipe A2, down tube A3 are not limited to polygon prism structure, can also be cylindric knot
Structure, the upper tube A1, middle pipe A2, down tube A3 are provided with the chute 6 and slide rail 7 along the vertical direction and to cooperate, pass through the He of chute 6
Slide rail 7 can also limit upper tube A1, middle pipe A2, down tube A3 relative rotation.
Coordinate shown in Fig. 1, Fig. 2 and Fig. 5 to Figure 24, the upper tube A1, middle pipe A2, down tube A3 diameter can subtract successively
It is small；The escapement includes the first upper tube retainer plate 2 for having of upper tube A1 lower ends build-in, first that middle pipe A2 top is fixed with
First time pipe close being fixed with the top of the first middle pipe retainer plate 4 that middle pipe plug 3, middle pipe A2 lower end build-in have, down tube A3
Son 5；Pipe plug 3 and first time pipe plug 5 are respectively provided with central through hole so that following telescoping drive mechanism B is worn in described first
Put, the first upper tube retainer plate 2 is a ring body, and forms convex edge inwards；The external profile diameter of pipe plug 3 is big in described first
Internal diameter in convex edge so that pipe plug 3 can block convex edge in first, and the first middle pipe retainer plate 4 also ring body, and
Flange is formed inwards；The external profile diameter of first time pipe plug 5 is more than the internal diameter of flange so that lower pipe plug 5 can block
Flange.Therefore it is to realize mutual annexation using respective plug and retainer plate between above-mentioned three sections sleeve pipe, so as to form
Mutually stretching, extension is with shrinking the telescopic tube group A not departed from.
Coordinate shown in Fig. 5 to Figure 14, telescoping drive mechanism B includes at least three screw rods being mutually spirally connected, from bottom to top
Lower beam B1, middle bar B2, upper boom B3 that diameter gradually increases or is gradually reduced are followed successively by, the upper boom B3 tops are consolidated with upper tube top
Fixed connection, the lower end of the lower beam B1 are fixedly connected with the power source C2 in control handle C, and above-mentioned spiral shell is driven by power source C2
The rotation of bar, the upper end of the upper tube A1 can be fixed with one pipe plug 1 to connect upper boom B3.
It is described to control the cover body that handle C is an accommodating power source C2, a button C1 is provided with to open on control handle C cover bodies
Dynamic power source C2 rotating forward power and Reverse Power, power source C2 can be the machine driving that change-speed gearing group is formed, and can also adopt
With rotating motor driven.
Coordinate Fig. 2, Fig. 4, Fig. 8, Figure 13, shown in Figure 18 Figure 23, when normality folds, telescopic tube group A each section first
Sleeve pipe is that contracting is nested together, and lower beam B1, middle bar B2, upper boom B3 have the larger area that is spirally connected.
As shown in Fig. 1, Fig. 3, Fig. 5, Figure 10, Figure 15 or Figure 20, when the utility model deploys, control handle C is hold by one hand
Power source C2 outputs can be started with pressing control handle C button C1 and rotate forward power, power source C2 can drive lower beam B1 to rotate,
Middle bar B2, upper boom B3 also produce relative rotation, and are each rotated toward the rotation direction for departing from the relation that is spirally connected so that whole telescopic drive
Mechanism B length becomes big, and upper boom B3 drives upper tube A1 to rise, and upper tube A1, which rises, can drive middle pipe A2 to rise so that whole telescopic
Pipe group A expansion, due to being mutual bolt between each screw rod in the range of collapsing length, therefore after stopping operating,
The length of telescoping drive mechanism is fixed so that three section sleeve pipes of expansion are not in the phenomenon of retraction, it is possible to achieve flexible
The strong fix of bar.
As shown in Fig. 2, Fig. 4, Fig. 8, Figure 13, Figure 18 or Figure 23, when the utility model is shunk, it is hold by one hand control and holds
The button C1 for C being pressed again control handle C starts power source C2 output Reverse Powers, and power source C2 can reversely turn with lower beam B1
Dynamic, middle bar B2, upper boom B3 also produce relative rotation, and are each rotated toward the rotation direction being mutually spirally connected, telescoping drive mechanism B length
Degree diminishes, and upper boom B3 drives upper tube A1 to move down fit with respect to middle pipe A2, while upper tube A1 can also drive middle pipe A2 to moving down
It is dynamic so that middle pipe A2 moves down fit with respect to down tube A3, realizes whole telescopic tube group A contraction.
In embodiment one of the present utility model, as shown in Figures 5 to 9, lower beam B1 in the telescoping drive mechanism B,
Middle bar B2, upper boom B3 diameter increase successively, and the lateral surface of the lower beam B1 has an external screw thread, middle bar B2 medial surface have with
The internal thread that lower beam B1 external screw thread coordinates, middle bar B2 lateral surface have external screw thread, and upper boom B3 medial surface has and middle bar
The internal thread that B2 external screw thread coordinates, can be with by rationally setting the mutual frictional force of lower beam B1, middle bar B2, upper boom B3
Relatively rotated while realization between three, and pass through the escapement between telescopic tube group A so that telescopic tube group A
Telescoping drive mechanism B maximum deployed length can be limited when deploying maximum length, avoids lower beam B1, middle bar B2, upper boom B3
Depart from the mutual relation that is spirally connected, cause telescoping drive mechanism B to use；Can also be by controlling power source C2 rotatings
Time controls each screw rod rotation time and then controls telescoping drive mechanism B maximum deployed length.
In embodiment two of the present utility model, as shown in FIG. 10 to 14, the lower beam in the telescoping drive mechanism B
B1, middle bar B2, upper boom B3 diameter are sequentially reduced, and the medial surface of the lower beam B1 has internal thread, middle bar B2 outside mask
Have an external screw thread with lower beam B1 screw-internal thread fit, middle bar B2 medial surface has an internal thread, upper boom B3 lateral surface have with
The external screw thread of the screw-internal thread fit of middle bar, it is same can also with reference to embodiment one by rationally set lower beam B1, middle bar B2, on
Frictional force mutual bar B3, it is possible to achieve relatively rotated while between three, and by between telescopic tube group A
Escapement so that telescopic tube group A can limit telescoping drive mechanism B maximum deployed length when deploying maximum length,
Avoid lower beam B1, middle bar B2, upper boom B3 from departing from the mutual relation that is spirally connected, cause telescoping drive mechanism B to use；Also may be used
To control each screw rod rotation time by controlling the power source C2 rotating times to control telescoping drive mechanism B maximum
Length of run.
In embodiment three of the present utility model, as shown in Figure 15 to Figure 19, the lower beam in the telescoping drive mechanism B
B1, middle bar B2, upper boom B3 diameter increase successively, and the lateral surface of the lower beam B1 has the first external screw thread, and lower beam B1 tops are set
There are first time stem cover B11, first time stem cover B11 to form the protuberance of prominent lower beam B1 outer rims, the middle bar B2's
Internal diameter is more than or equal to the external diameter of first time stem cover B11 protuberance, and the lateral surface of the middle bar B2 has the second external screw thread, middle bar
B2 bottom is provided with stem nut portion B21 in first coordinated with the first external screw thread, rod end during the middle bar B2 tops are provided with first
B22 is covered, protuberances of the stem cover B22 formed with bar B2 outer rims in protrusion in described second, the internal diameter of the upper boom B3 is more than etc.
The external diameter of stem cover B22 protuberances in second, upper boom B3 bottom are provided with stem nut on first coordinated with the second external screw thread
Portion B31；When telescoping drive mechanism B deploys, first time stem cover B11 has barrier effect to stem nut portion B21 in first, and first
Middle stem cover B22 has barrier effect to the first upper boom nut portions B31, therefore passes through bar spiral shell in first time stem cover B11 and first
Stem cover B22 and the first upper boom nut portions B31 setting can prevent lower beam B1, middle bar B2, upper boom B3 in female portion B21, first
Depart from the mutual relation that is spirally connected during expansion.
Further, to avoid because upper boom B3 length is more than middle bar B2 length, telescoping drive mechanism B is caused to be sent out when shrinking
The relation disengaging that is spirally connected between raw upper boom B3 and middle bar B2, the bottom of the lateral surface of the middle bar B2 is provided with the first outside convex wall
B23, the first convex wall B23 have barrier effect to upper boom B3, avoid the relation disengaging that is spirally connected between upper boom B3 and middle bar B2.
For embodiment three of the present utility model, it is necessary to which explanation is adopted without the concern in embodiment one and embodiment two
To relatively rotate so that three simultaneously between three with the frictional force between control lower beam B1, middle bar B2, upper boom B3
Deploy simultaneously or shrink to avoid departing between three the method for the relation that is spirally connected, can arbitrarily set lower beam B1, middle bar B2, on
Friction factor between bar B3, the sequencing problem rotated is not considered, because first time stem cover B11, first in embodiment three
Middle stem cover B22, the first convex wall B23 and control handle C can play a part of similar bolt head so that between three screw rods
It can lock, such as：Lower beam B1 first rotates relative to middle bar B2, and middle bar B2 rotates relative to upper boom B3 again, when expansion
First relative lower beam B1 rises middle bar B2, and phase centering rod B2 does not rise upper boom B3, when central bar B2 rises to the top, bar in first
Nut portions B21 blocks first time stem cover B11 so that lower beam B1 and middle bar B2 are mutually locked and do not produced rotation, and power source C2 continues
Output rotates forward power, thus middle bar B2 can relative upper boom B3 rotate, upper boom B3 risings, middle bar B2 passes through stem cover B22 in first
Lock upper boom B3 so that lower beam B1, middle bar B2, upper boom B3 can deploy successively；During contraction, middle bar B2 elder generations fit lower beam B1, control
Handle C processed props up middle bar B2 bottoms, locks lower beam B1 and middle bar B2, and then middle bar B2 locks upper boom again by the first convex wall B23
B3, realize lower beam B1, middle bar B2, upper boom B3 contraction successively.
In example IV of the present utility model, as shown in Figure 20 to Figure 24, the lower beam in the telescoping drive mechanism B
B1, middle bar B2, upper boom B3 diameter are sequentially reduced, and the top of the lower beam B1 is provided with the second lower beam nut portions B11 ', institute inwards
Stating middle bar B2 lateral surface has the second external screw thread coordinated with the second lower beam nut portions B11 ', and middle bar B2 bottoms are provided with second
Stem cover B22 ', in described second stem cover B22 ' formed it is prominent in bar B2 outer rims protuberance, the internal diameter of the lower beam B1 is big
The external diameter of stem cover B22 ' protuberance in equal to second, stem nut portion B21 ' during middle bar B2 top is provided with second inwards,
The upper boom B3 bottoms are provided with stem cover B31 ' on second, and stem cover B31 ' is formed with prominent upper boom B3 outer rims on described second
Protuberance, the internal diameter of the middle bar B2 are more than or equal to the external diameter of stem cover B31 ' protuberances on second, and upper boom B3 lateral surface is set
There is the 3rd external screw thread coordinated with stem nut portion B21 ' in second；When telescoping drive mechanism B deploys, stem cover B22 ' in second
There is barrier effect to the second lower beam nut portions B11 ', stem cover B31 ' has stop to make stem nut portion B21 ' in second on second
With, therefore pass through bar spiral shell in stem cover B31 ' and second on stem cover B22 ' and the second lower beam nut portions B11 ' in second, second
Female portion B21 ' setting can prevent from departing from the mutual relation that is spirally connected when lower beam B1, middle bar B2, upper boom B3 expansion.
Further, to avoid because lower beam B1 length is more than middle bar B2 length, telescoping drive mechanism B is caused to be sent out when shrinking
The relation disengaging that is spirally connected between bar B1 and middle bar B2 is given birth to, the top of the lateral surface of the middle bar B2 is provided with the second outside convex wall
B23 ', the second convex wall B23 ' have barrier effect to lower beam B1, avoid the relation disengaging that is spirally connected between lower beam B1 and middle bar B2.
For example IV of the present utility model, it is necessary to which explanation is again without consideration embodiment one and embodiment two
It is middle using control lower beam B1, middle bar B2, the frictional force between upper boom B3 to relatively rotate between three simultaneously so that
Three deploys or shunk to avoid departing between three the method for the relation that is spirally connected simultaneously, can arbitrarily set lower beam B1, middle bar
Friction factor between B2, upper boom B3, the sequencing problem rotated is not considered, because stem cover in second in example IV
B22 ', it can also play a part of bolt head at the top of stem cover B31 ', the second convex wall B23 ' and upper tube A1 on second so that three
It can successively rotate and mutually lock between root screw rod.
In four above-mentioned embodiments, upper tube A1, middle pipe A2, down tube A3 diameter in the telescopic tube group A of use are
It is sequentially reduced, actually described upper tube A1, middle pipe A2, down tube A3 diameter can also increase successively；Coordinate Fig. 3, Fig. 4, Figure 25
It is shown, the escapement include that upper tube A1 lower ends build-in has second on pipe plug 5 ', middle pipe A2 top be fixed with the
Two middle pipe retainer plates 4 ', middle pipe A2 lower end build-in have second in pipe plug 3 ', be fixed with the top of down tube A3 second under
Pipe retainer plate 2 '；The upper pipe plug 5 ' is outwardly formed lug；The inner edge diameter of the second middle pipe retainer plate 4 ' is less than lug
External diameter so that the second middle pipe retainer plate 4 ' can block lug, and pipe plug 3 ' is outwardly formed chimb in described second；It is described
The inner edge diameter of second down tube retainer plate 2 ' is less than the external diameter of chimb so that the second down tube retainer plate 2 ' can block chimb, institute
State on second that pipe plug 3 ' is also equipped with central through hole so that telescoping drive mechanism B is placed in pipe plug 5 ' and second.
Structure in summary, the utility model are by controlling the power source C2 in handle to give in telescoping drive mechanism B
Screw rod rotate power so that rotate between each screw rod being mutually spirally connected and change telescoping drive mechanism B length,
Telescoping drive mechanism B drives telescopic tube group A to realize Automatic-expanding and the function of shrinking and can consolidated in the range of collapsing length
Positioning, make us use to expansion link it is more convenient, fast！
Above-described embodiment and schema and non-limiting product form of the present utility model and style, any art
The appropriate change or modification that those of ordinary skill is done to it, all should be regarded as not departing from patent category of the present utility model.
Claims (13)
1. a kind of automatic telescopic link group structure, including telescopic tube group, the telescoping drive mechanism in telescopic tube group and
Control the control handle of telescoping drive mechanism, it is characterised in that：
The telescopic tube group at least has three section sleeve pipes, is followed successively by upper tube, middle pipe and down tube from top to bottom；Each sleeve pipe is mutual
Between do not rotate and be provided with escapement, the down tube lower end is fixed on control handle；
The telescoping drive mechanism includes at least three screw rods being mutually spirally connected, be followed successively by from bottom to top diameter gradually increase or by
Decrescence small lower beam, middle bar, upper boom, the upper boom top are fixedly connected with upper tube top, and lower end and the control of the lower beam are held
Interior power source is fixedly connected, by the rotation of each screw rod of power source drive, power source is by the button control on control handle
System.
2. automatic telescopic link group structure as claimed in claim 1, it is characterised in that：The upper tube, middle pipe, down tube are phase interworking
The hexa-prism structure of conjunction.
3. automatic telescopic link group structure as claimed in claim 1, it is characterised in that：The upper tube, middle pipe, down tube are phase interworking
The cylindrical-shaped structure of conjunction, the upper tube, middle pipe, down tube are provided with the chute and slide rail along the vertical direction and to cooperate.
4. automatic telescopic link group structure as claimed in claim 1, it is characterised in that：The upper end of the upper tube be fixed with one to
It is fixedly connected with the upper pipe plug of upper boom.
5. the automatic telescopic link group structure as described in Claims 1-4 any one, it is characterised in that：The upper tube, middle pipe,
The diameter of down tube is sequentially reduced；The escapement includes the first upper tube retainer plate, the top of middle pipe that upper tube lower end build-in has
First be fixed with the top of pipe plug, the lower end build-in of middle pipe have in first be fixed with the first middle pipe retainer plate, down tube
Lower pipe plug；The first upper tube retainer plate is a ring body, and forms convex edge inwards；The outer rim of pipe plug is straight in described first
Footpath is more than the internal diameter of convex edge, the first middle pipe retainer plate also ring body, and form flange inwards；First time pipe plug
External profile diameter be more than the internal diameter of flange, pipe plug and first time pipe plug have central through hole in described first.
6. the automatic telescopic link group structure as described in Claims 1-4 any one, it is characterised in that：The upper tube, middle pipe,
The diameter of down tube increases successively；The escapement include that upper tube lower end build-in has second on pipe plug, the top of middle pipe consolidate
Surely the second middle pipe retainer plate, the lower end build-in of middle pipe having have second in pipe plug, be fixed with the top of down tube second under
Pipe retainer plate；The upper pipe plug is outwardly formed lug；The inner edge diameter of the second middle pipe retainer plate is less than the external diameter of lug,
Pipe plug is outwardly formed chimb in described second；The inner edge diameter of the second down tube retainer plate is less than the external diameter of chimb, described
Pipe plug is provided with central through hole in pipe plug and second on second.
7. automatic telescopic link group structure as claimed in claim 1, it is characterised in that：Lower beam in the telescoping drive mechanism,
Middle bar, the diameter of upper boom increase successively, and the lateral surface of the lower beam has external screw thread, and the medial surface of middle bar is with outer with lower beam
The internal thread that screw thread coordinates, the lateral surface of middle bar have external screw thread, and the medial surface of upper boom has what is coordinated with the external screw thread of middle bar
Internal thread.
8. automatic telescopic link group structure as claimed in claim 1, it is characterised in that：Lower beam in the telescoping drive mechanism,
Middle bar, the diameter of upper boom are sequentially reduced, and the medial surface of the lower beam has an internal thread, the lateral surface of middle bar have with lower beam
The external screw thread that screw thread coordinates, the medial surface of middle bar have internal thread, and the lateral surface of upper boom has and the screw-internal thread fit of middle bar
External screw thread.
9. automatic telescopic link group structure as claimed in claim 1, it is characterised in that：Lower beam in the telescoping drive mechanism,
Middle bar, the diameter of upper boom increase successively, and the lateral surface of the lower beam has the first external screw thread, and lower beam top is provided with first time rod end
Lid, first time stem cover form the protuberance of prominent lower beam outer rim；The lateral surface of the middle bar has the second external screw thread, in
The bottom of bar is provided with stem nut portion in first coordinated with the first external screw thread, stem cover during the middle bar top is provided with first, institute
State protuberance of the stem cover formed with bar outer rim in protrusion in second；The bottom of the upper boom is provided with what is coordinated with the second external screw thread
First upper boom nut portions.
10. automatic telescopic link group structure as claimed in claim 9, it is characterised in that：The bottom of the lateral surface of the middle bar is set
There is the convex wall of outside first.
11. automatic telescopic link group structure as claimed in claim 1, it is characterised in that：Lower beam in the telescoping drive mechanism,
Middle bar, the diameter of upper boom are sequentially reduced, and the top of the lower beam is provided with the second lower beam nut portions, the lateral surface of the middle bar inwards
With the second external screw thread coordinated with the second lower beam nut portions, stem cover during middle bar bottom is provided with second, rod end in described second
Protuberance of the cap-shaped into bar outer rim in protrusion；Stem nut portion during the top of middle bar is provided with second inwards, the upper boom bottom is provided with
Stem cover on second, protuberance of the stem cover formed with prominent upper boom outer rim on second, the lateral surface of upper boom be provided with second
The 3rd external screw thread that stem nut portion coordinates.
12. automatic telescopic link group structure as claimed in claim 11, it is characterised in that：The top of the lateral surface of the middle bar is set
There is the convex wall of outside second.
13. automatic telescopic link group structure as claimed in claim 1, it is characterised in that：The power source is mechanically operated change
Fast gear train or rotating motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720573695.1U CN206830588U (en) | 2017-05-22 | 2017-05-22 | Automatic telescopic link group structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720573695.1U CN206830588U (en) | 2017-05-22 | 2017-05-22 | Automatic telescopic link group structure |
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| CN206830588U true CN206830588U (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720573695.1U Active CN206830588U (en) | 2017-05-22 | 2017-05-22 | Automatic telescopic link group structure |
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| CN (1) | CN206830588U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108618713A (en) * | 2018-04-12 | 2018-10-09 | 魏长同 | A kind of wall clearing apparatus |
| CN109270040A (en) * | 2018-10-22 | 2019-01-25 | 浙江瑞宝生物科技有限公司 | Health supervision type intelligent closestool device and its occult blood detection method |
| CN109470663A (en) * | 2018-09-19 | 2019-03-15 | 浙江瑞宝生物科技有限公司 | It is built in the Faecal occult blood detection device and its method of intelligent water toilet pan |
| WO2020186930A1 (en) * | 2019-03-20 | 2020-09-24 | 深圳市道通科技股份有限公司 | Calibration system, and calibration support frame for same |
-
2017
- 2017-05-22 CN CN201720573695.1U patent/CN206830588U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108618713A (en) * | 2018-04-12 | 2018-10-09 | 魏长同 | A kind of wall clearing apparatus |
| CN109470663A (en) * | 2018-09-19 | 2019-03-15 | 浙江瑞宝生物科技有限公司 | It is built in the Faecal occult blood detection device and its method of intelligent water toilet pan |
| CN109270040A (en) * | 2018-10-22 | 2019-01-25 | 浙江瑞宝生物科技有限公司 | Health supervision type intelligent closestool device and its occult blood detection method |
| WO2020186930A1 (en) * | 2019-03-20 | 2020-09-24 | 深圳市道通科技股份有限公司 | Calibration system, and calibration support frame for same |
| EP3943967A4 (en) * | 2019-03-20 | 2022-12-14 | Autel Intelligent Technology Corp., Ltd. | Calibration system, and calibration support frame for same |
| US11885458B2 (en) | 2019-03-20 | 2024-01-30 | Autel Intelligent Technology Corp., Ltd. | Calibration system and calibration bracket therefor |
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