CN110454473A - A kind of flexible centering rod of carbon fiber - Google Patents
A kind of flexible centering rod of carbon fiber Download PDFInfo
- Publication number
- CN110454473A CN110454473A CN201910694867.4A CN201910694867A CN110454473A CN 110454473 A CN110454473 A CN 110454473A CN 201910694867 A CN201910694867 A CN 201910694867A CN 110454473 A CN110454473 A CN 110454473A
- Authority
- CN
- China
- Prior art keywords
- inner tube
- tube
- latch segment
- hole
- stabilizer blade
- 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
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 31
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 31
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 38
- 229910052751 metal Inorganic materials 0.000 claims abstract description 38
- 230000007423 decrease Effects 0.000 claims abstract description 22
- 239000003381 stabilizer Substances 0.000 claims description 65
- 238000009423 ventilation Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000013507 mapping Methods 0.000 abstract description 9
- -1 outer tube Chemical compound 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000004026 adhesive bonding Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000003447 ipsilateral effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F16B7/1418—Telescoping systems locking in intermediate non-discrete positions with a clamping collar or two split clamping rings tightened by a screw or a cammed latch member
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0232—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/027—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means comprising control arrangements
- F16F15/0275—Control of stiffness
-
- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/28—Undercarriages for supports with one single telescoping pillar
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2222/00—Special physical effects, e.g. nature of damping effects
- F16F2222/12—Fluid damping
- F16F2222/126—Fluid damping using gases
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The present invention relates to a kind of flexible centering rod of carbon fiber, including outer tube, inner tube and tube body latch segment, the tube wall of inner tube is equipped with scale and positioning metal item;Tube body latch segment includes lower tube body latch segment, upper tube body latch segment and the clamping portion between lower tube body latch segment and upper tube body latch segment, and accurate ring is equipped in lower tube body latch segment, and the internal diameter of accurate ring prevents inner tube from shaking close to the outer diameter of inner tube;Clamping portion side corresponding with positioning metal item is equipped with lug boss, and spring is that compressive state abuts lug boss with outer wall of inner tube.By the way that positioning metal item is arranged on inner pipe, the risk for avoiding jack from damaging, while accurate ring, which is arranged, in tube body latch segment prevents inner tube from shaking;Telescopic rod can be lockked in use by rotation knob, avoid maloperation;Decline buffer unit additionally is set in bottom of inner tube, slows down the decrease speed of inner tube, avoiding quickly gliding breaks instrument of surveying and mapping and pipe, and overall structure is simple, and it is light-weight, it is convenient for the user to operate.
Description
Technical field
The present invention relates to surveying and mapping tool technical fields, more specifically to a kind of flexible centering rod of carbon fiber.
Background technique
Carbon fiber stretch centering rod be chiefly used in support measuring instrument, existing carbon fiber stretch centering rod generally include an inner tube and
A piece outer tube, inner tube set moves in outer tube, to be raised and lowered, to position appropriate after lock inner tube.It is actually using
In, it is more which is typically secured to several common size positions, be it is easy to use, in the certain bits of inner tube
It sets, the position of usually common scale opens up through-hole, while bolt is arranged, and bolt is inserted into through-hole, and inner tube is defined, this
Inner tube directly can be fixed to specific height by sample.The flexible centering rod of current carbon fiber exists in use asks as follows
Topic: inner tube fixation can tightly not shake, and impact to positioning;Bolt can generate shock to through-hole, and through-hole is broken over time, fixed
Position is inaccurate;The flexible centering rod of some carbon fibers is then cumbersome;In addition the measuring instrument in surveying and mapping rod is heavier, the speed in inner tube decline
Quickly, great impact power can be caused to pipe, had telescopic rod and hit the risk for deforming and breaking;The stabilizer blade and stabilizer blade of bottom are fixed
Seat has the case where loosening, and the sharp end of stabilizer blade has used serious wear long, influences mapping precision, usual stabilizer blade fixing seat passes through
Gluing is pasted onto outer tube wall, and stabilizer blade is also through paste adhesive in stabilizer blade fixing seat, if stabilizer blade abrasion is difficult to replace.With
Upper shortcomings bring inconvenience to user, based on mapping market to carbon fiber stretch centering rod quality and the portability that uses
And the requirement of reliability, there is presently no the carbon fiber centering rods that stretches to overcome drawbacks described above completely.
Summary of the invention
The technical problem to be solved by the present invention is a kind of flexible centering rod of carbon fiber is provided, to each position of original structure
There is completely new improvement, solves the problems, such as that current telescopic rod exists, avoid drawbacks described above.
The technical solution of the invention is as follows: the present invention provides a kind of flexible centering rod of carbon fiber, including hollow outer tube, set
The inner tube being located in the outer tube and the tube body latch segment being fixed at the top of the outer tube, the tube wall of said inner tube, which is equipped with, to be carved
Degree and positioning metal item;
The tube body latch segment includes being bolted the lower tube body latch segment being integrated, upper tube body latch segment and positioned at institute
The clamping portion between lower tube body latch segment and upper tube body latch segment is stated, the side of the clamping portion is equipped with knob, and the other side is equipped with
Spring;
The first through hole passed through for said inner tube is offered respectively in the middle part of the lower tube body latch segment and upper tube body latch segment
With the second through-hole;Accurate ring is installed, the internal diameter of the precision ring is prevented close to the outer diameter of said inner tube in the first through hole
Said inner tube is shaken;Clamping portion side corresponding with the positioning metal item is equipped with lug boss, and the spring is compression shape
State abuts the lug boss with said inner tube outer wall;When said inner tube slides into the lug boss and the positioning metal item
Location hole alignment when, the lug boss is inserted into the positioning metal item, and said inner tube is blocked by the tube body latch segment, is pressed
Under after the knob, the spring that the clamping portion squeezes opposite side generates displacement, and the lug boss and the positioning metal item are detached from,
Said inner tube is freely slidable.
Further, a face side wall of said inner tube is recessed inwardly to form arc groove, and the positioning metal item is contained in
In the arc groove, top and bottom are fixed by bolts in said inner tube, and the arc groove and positioning metal item are equal
It is ipsilateral with the lug boss;Several cross spacing holes are uniformly provided on the positioning metal item, when said inner tube slides into
When the lug boss is overlapped with the cross spacing hole, the lug boss is inserted into the cross spacing hole by the spring force
Block said inner tube.
Further, the lower tube body latch segment offers the first groove body, first slot close to one end of the knob
The bottom of body is cambered surface;The clamping portion is equipped with the second groove body, is equipped with transverse baffle in second groove body;On the knob
Equipped with rotary bar;The upper tube body latch segment corresponding end is equipped with third groove body;
When the knob level, the rotary bar is located in second groove body, and one end lies in the transverse baffle
On;When the knob, the rotary bar is vertical state, the bottom of lower part and first groove body by horizontality rotation
Portion offsets, and top is located in the third groove body, and when continuing to rotate, the cambered surface diameter of the first groove body curved bottom increases,
The rotary bar lower end is stuck, and the knob can not be continued to rotate or be pressed.
Further, it is radially provided with mounting hole in the middle part of the knob, the rotary bar passes through the mounting hole and institute
Knob is stated to be connected as one.
Further, said inner tube bottom is equipped with inner tube decline buffer unit, and it includes interior that said inner tube, which declines buffer unit,
The hollow connector in portion, the ventilation part being installed in the connector and blocking cap;
The connector is installed on said inner tube bottom, and the middle part of the ventilation part is airflow channel, and the blocking cap is set
In in the airflow channel;The ventilation part lower part is additionally provided with skirt, and the skirt tilts down, between the inner wall of the outer tube
There are gaps;
When said inner tube decline, the inner wall for resisting the outer tube, the sky of said inner tube lower part are propped up in the skirt upwards
Gas can only flow outward through the airflow channel, and air, which is squeezed, makes the pressure of said inner tube lower part become larger, said inner tube decline
When speed of being obstructed slow down;When said inner tube decrease speed is very fast, the blocking cap is moved upwards by lower part pressure action, blocking
The airflow channel, only a small amount of air are flowed out from the side wall of the outer tube, and said inner tube decrease speed is controlled.
It further, is threaded joints at the top of said inner tube, for installing measuring instrument, the bottom of the threaded joints
Plane is equipped with gasket, and the gasket is sheathed below the screw thread of the threaded joints.
Further, the outer pipe bottom is additionally provided with stabilizer blade and stabilizer blade fixing seat, and the stabilizer blade fixing seat is installed on described
Outer pipe bottom, the stabilizer blade and the stabilizer blade fixing seat detachable connection.
Further, one end of the stabilizer blade is sharp portion, and the other end is the portion that is fixedly connected, and centre is equipped with external screw thread;Institute
The top for stating stabilizer blade fixing seat is equipped with a circle groove, and the side of lower part is equipped with through-hole, also is provided on the side wall of the outer tube lower part
Fixation hole, bolt or pin, which pass through the fixation hole and support, is mounted on the stabilizer blade fixing seat outside described
The lower part of pipe, bolt or pin, which resist the portion of being fixedly connected across the through-hole, makes the stabilizer blade be mounted on the stabilizer blade
In fixing seat.
Further, nut cap is additionally provided with outside the stabilizer blade, the side wall of the nut cap is equipped with internal screw thread, with the stabilizer blade and
External screw thread on threaded joints is adapted;Drawstring mounting hole is additionally provided at the top of the nut cap.
Further, the upper tube body latch segment is equipped with centering bubble and bubble mounting groove, bubble mounting groove bottom
Portion is equipped with boss bolt hole, and centering bubble bottom passes through the boss bolt hole using turret head special type screw and is fixed on water
It steeps in mounting groove;The stud of the turret head special type screw includes threaded portion and smooth surface part, the diameter of the smooth surface part
Less than the bottom diameter of the threaded portion, the threaded portion is stuck on the boss at the top of the boss bolt hole, the smooth surface portion
Quartile is in the lower part of the boss bolt hole.
Implement the flexible centering rod of carbon fiber of the invention, has the advantages that by the way that positioning metal is arranged on inner pipe
Item replaces the mode of the fixed inner tube of original bolt, and positioning metal item is made of high-strength metal material, and jack is avoided to damage
Risk, while accurate ring, which is arranged, in tube body latch segment prevents inner tube from shaking;Telescopic rod can pass through rotation in use
Button latching is rotated, maloperation is avoided;Decline buffer unit additionally is set in bottom of inner tube, slows down the decrease speed of inner tube, keeps away
Exempt from quickly to glide and break instrument of surveying and mapping and pipe, reaches the positioning that tube body is quick, efficient and reliable and stable, what inner tube steadily glided
Effect;It is detachable connection between stabilizer blade and stabilizer blade fixing seat, it is replaceable after stabilizer blade abrasion;Overall structure is simple, light-weight,
It is convenient for the user to operate.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the structural schematic diagram of the flexible centering rod of carbon fiber of the present invention;
Fig. 2 is the structural schematic diagram of inner tube;
Fig. 3 is the structural schematic diagram of tube body latch segment;
Fig. 4 is the fractionation structural representation 1 of tube body latch segment;
Fig. 5 is the fractionation structural representation 2 of tube body latch segment;
Fig. 6 is the bottom views structural schematic diagram of tube body latch segment;
Fig. 7 is that the flexible centering rod of carbon fiber of the present invention removes the structural schematic diagram after outer tube;
Fig. 8 is the structural schematic diagram that inner tube declines buffer unit;
Fig. 9 is the cross-sectional view that inner tube declines buffer unit;
Figure 10 is the top view of tube body latch segment;
Figure 11 is the AA cross-sectional view of Fig. 9;
Figure 12 is the installation diagram of stabilizer blade, stabilizer blade fixing seat and nut cap;
Figure 13 is schematic diagram when Figure 12 removes nut cap;
Figure 14 is the cross-sectional view of Figure 13.
Specific embodiment
Fig. 1 to Figure 14 shows carbon fiber of the present invention and stretches a preferred embodiment of centering rod comprising hollow outer tube 1,
The inner tube 2 that is set in outer tube 1 and the tube body latch segment 3 for being fixed on 1 top of outer tube, the tube wall of inner tube 2 be equipped with scale and
Positioning metal item 4, outer tube 1 are made of the round tube of the high carbon fibre materials of light-weight intensity;Tube body latch segment 3 connects including bolt
It is connected in integrated lower tube body latch segment 5, upper tube body latch segment 6 and between lower tube body latch segment 5 and upper tube body latch segment 6
Clamping portion 7, the side of clamping portion 7 is equipped with knob 8, and the other side is equipped with spring 16, such as the back view institute of the tube body latch segment of Fig. 6
Show;Lower tube body latch segment 5 and 6 middle part of upper tube body latch segment offer the first through hole 51 and second passed through for inner tube 2 respectively and lead to
Hole 61;Accurate ring 52 is installed, the internal diameter of accurate ring 52 prevents inner tube 2 from shaking close to the outer diameter of inner tube 2 in first through hole 51;
The side corresponding with positioning metal item 4 of clamping portion 7 is equipped with lug boss 71, and spring 16 is that compressive state makes lug boss 71 and inner tube
2 outer walls abut;When inner tube 2, which slides into lug boss 71, to be aligned with the location hole of positioning metal item 4, the insertion positioning gold of lug boss 71
Belong in item 4, inner tube 2 is blocked by tube body latch segment 3, and after push-turn key 8, the spring 16 that clamping portion 7 squeezes opposite side generates displacement, convex
It plays portion 71 and positioning metal item 4 is detached from, inner tube 2 is freely slidable.The inner tube of the flexible centering rod of usually used carbon fiber has solid
Fixed unstable phenomenon, inner tube is shaken when use, influences the accuracy of mapping, the present invention is to solve the above problems, lock tube body
Block 3 is improved.Tube body latch segment 3 includes the clamping portion 7 of lower tube body latch segment 5, upper tube body latch segment 6 and centre, card
The inside of socket part 7 is equipped with spring 16, and spring 16 is in squeezed state, there is outside elastic force to clamping portion 7.On clamping portion 7 with bullet
Spring 16 is ipsilateral to be equipped with lug boss 71, and inner tube 2 is passed through from first through hole 51 and the second through-hole 61, and lug boss 71 is by 16 elastic force of spring
Always it is abutted with the outer wall of inner tube 2, it is convex when inner tube 2, which slides into lug boss 71, to be overlapped with the position of positioning hole of positioning metal item 4
Playing portion 71 can be stuck on positioning metal item 4, and inner tube 2 can not be slided again.When push-turn key 8, inwardly movement squeezes bullet for clamping portion 7
Spring 16, the also inwardly movement of lug boss 71 on clamping portion 7, is detached from positioning metal item 4, inner tube 2 can freely go up downslide immediately
It is dynamic.For the shaking for avoiding inner tube 2, be additionally provided with accurate ring 52 in the first through hole 51 in the present embodiment, the precision ring 52 it is interior
Diameter close to inner tube 2 outer diameter, 2 sets of inner tube in accurate ring 52, gap very little between the two, inner tube 2 slides up and down specified
Position, then knob is screwed, make the relatively fixed clamping of inner tube, accurately repetitive positioning accuracy available in this way, to improve
The accuracy of measurement.
A face side wall of inner tube 2 is recessed inwardly to form arc groove 21 in the present embodiment, and positioning metal item 4 is contained in arc
In groove 21, top and bottom are fixed by bolts in inner tube 2, and positioning metal item 4 is made of high duty metal item, and arc is recessed
Slot 21 and positioning metal item 4 are ipsilateral with lug boss 71;Several cross spacing holes 41 are uniformly provided on positioning metal item 4,
When inner tube 2, which slides into lug boss 71, to be overlapped with cross spacing hole 41, lug boss 71 is inserted into cross spacing hole by 16 elastic force of spring
Inner tube 2 is blocked in 41.Common telescopic rod is to improve working efficiency inner tube 2 is quickly fixed to common graduation position, inside
Hole is opened up on pipe, then bolt is inserted in the hole, so that inner tube is fixed on specific scale, structure bolt in use
Meeting device to hole causes to hit, and is easy to damage hole, and additional positioning metal item 4 is arranged in the present embodiment in inner tube 2, is positioning
Cross spacing hole 41 is opened up on metal strip 4, as shown in Fig. 2, in this way when lug boss 71 is overlapped with 41 position of cross spacing hole, it is convex
Playing portion 71 can stick into cross spacing hole 41, limit inner tube 2, avoid common bolt fixed form, reduce to cross spacing hole
41 shock.The flexible centering rod of carbon fiber has in actual use commonly adjusts spacing, such as 10mm, 20mm, 30mm etc., this
Embodiment only marks several common scales, such as 1.8 meters, 2 meters etc. in inner tube 2, and the spacing between cross spacing hole 41 is set as
5mm or 10mm, such user several can commonly use scale and calculate the scale in each cross spacing hole 41 according to what is marked.Make
If having grown cross spacing hole 41 with the time damages the positioning metal item 4 that can also more renew, continue to use, compared to it is above-mentioned
The fixed form service life of aperture in inner tube 2 is longer, this is another advantage of the inner tube structure of the present embodiment.
Lower tube body latch segment 5 offers the first groove body 53, the bottom of the first groove body 53 close to one end of knob 8 in the present embodiment
Portion is cambered surface, and cambered surface diameter becomes larger from right to left, i.e. the bottom of the first groove body 53 is gradually got higher from right to left;On clamping portion 7
Equipped with the second groove body 72, transverse baffle 73 is equipped in the second groove body 72;Knob 8 is equipped with rotary bar 81, the radial direction at 8 middle part of knob
On be provided with mounting hole, rotary bar 81 passes through mounting hole and is connected as one with knob 8, and rotary bar 81 and knob 8 are arranged in 90 degree, revolves
Dynamic knob 8 drives rotary bar 81 to rotate;6 corresponding end of upper tube body latch segment is equipped with third groove body 62;When knob 8 is horizontal, turn
Dynamic stick 81 is located in the second groove body 72, and one end is lain on transverse baffle 73, and the other end is hanging.Transverse baffle 73 is set second
The left side of groove body 72, then the left side of rotary bar 81 is stopped by transverse baffle 73, and right side is hanging, and rotary bar 81 can only turn clockwise
Dynamic, after knob 8 drives rotary bar 81 to rotate clockwise, rotary bar 81 switchs to vertical state, lower part and first by horizontality
The bottom of groove body 53 offsets, and top is located in third groove body 62, when continuing to rotate, the cambered surface diameter of 53 curved bottom of the first groove body
Increase, extruding of the rotary bar 81 by bottom cambered surface is continued to rotate until 81 lower end of rotary bar is stuck, and knob 8 can not continue
It rotates or presses, which can lock knob 8, prevent maloperation accidentally by when needing push-turn key 8, knob 8 is counterclockwise
Rotation, 81 lower end of rotary bar is produced from 53 curved bottom of the first groove body, until turning to horizontal position, is supported with transverse baffle 73
It connects, so far can not be further continued for rotating counterclockwise, return to initial position, knob 8 can be pressed at this time, inner tube 2 is unlocked.
2 bottom of inner tube is equipped with inner tube decline buffer unit 9 in the present embodiment, and it includes in inside that inner tube, which declines buffer unit 9,
The connector 91 of sky, the ventilation part 92 being installed in connector 91 and blocking cap 93;Connector 91 is installed on 2 bottom of inner tube, adopts
It is made of wear-resisting flexible glue, the middle part of ventilation part 92 is airflow channel 94, and blocking cap 93 is set in airflow channel 94;Under ventilation part 92
Portion is additionally provided with skirt 95, and skirt 95 tilts down, and there are gaps between the inner wall of outer tube 1;When inner tube 2 decline when, skirt 95 by
Bottom airflow influence props up the inner wall for resisting outer tube 1 upwards, and the gap between the inner wall of outer tube 1 becomes smaller, by 2 bottom of inner tube
Air seals, and the air of such 2 lower part of the inner tube pressure that is squeezed becomes larger, and the speed of being obstructed when declining of inner tube 2 slows down;To avoid inner tube
2 do not decline completely, and setting ventilation part 92 flows up the air of 2 lower part of inner tube by airflow channel 94, control lower part
Atmospheric pressure it is not too big;The measuring instrument installed at the top of inner tube 2 is heavier, decrease speed quickly when, block cap 93 by lower part
Pressure action moves upwards, and blocks airflow channel 94, and only a small amount of air is flowed out from the side wall of outer tube 1, and 2 decrease speed of inner tube obtains
To control, descending at slow speed avoids measuring instrument from quickly falling the risk smashed.
It is threaded joints 22 at the top of inner tube 2 in the present embodiment, for installing measuring instrument, the bottom of threaded joints 22 is flat
Face is equipped with gasket 23, and gasket 23 is sheathed below the screw thread of threaded joints 22.Measuring instrument is threadedly coupled with inner tube 2, with spiral shell
The plane contact of 22 bottom of line interconnecting piece, contact surface are equipped with gasket 23, and gasket 23 is not easy to loosen after installing instrument.Usually should
Gasket is O-ring, and bottom gluing is pasted onto the bottom of threaded joints 22, can be fallen off using long gasket, in the present embodiment
Gasket 23 is directly set in thread portions, does not have to gluing and pastes, is not easy to be dropped and lost using gasket 23 in transportational process.
1 bottom of the present embodiment middle external tube is additionally provided with stabilizer blade 10 and stabilizer blade fixing seat 14, and stabilizer blade fixing seat 14 is installed on outer tube 1
Bottom, stabilizer blade 10 and 14 detachable connection of stabilizer blade fixing seat.Stabilizer blade 10 with ground for abutting, the flexible centering of support carbon fiber
Bar, one end of stabilizer blade fixing seat 14 are mounted on 1 bottom of outer tube, and the other end installs fixing leg 10.Usual stabilizer blade fixing seat passes through
Gluing is pasted onto 1 inner wall of outer tube, and stabilizer blade is also the rate of wear in use of stabilizer blade 10 through paste adhesive in stabilizer blade fixing seat
Quickly, if stabilizer blade serious wear will affect mapping precision, it is difficult to replace, sets detachable company for the two in the present embodiment
It connects, is convenient for changing stabilizer blade 10.
One end of stabilizer blade 10 is sharp portion in the present embodiment, and the other end is the portion that is fixedly connected, and centre is equipped with external screw thread;Stabilizer blade
The top of fixing seat 14 is equipped with a circle groove 141, and the side of lower part is equipped with through-hole 142, also is provided on the side wall of 1 lower part of outer tube solid
Determine hole, bolt or pin, which pass through fixation hole and be against in groove 141, makes stabilizer blade fixing seat 14 be mounted on the lower part of outer tube 1, makes
Stabilizer blade fixing seat 14 and the installation of outer tube 1 are easier.Grub screw, which resists the portion of being fixedly connected across through-hole 142, installs stabilizer blade 10
It is fixed in stabilizer blade fixing seat 14, as shown in figure 13, being fixedly connected in portion has depressed section, and grub screw is against depressed section,
Keep stabilizer blade 10 movable, takes out grub screw, that is, replaceable stabilizer blade 10.
Nut cap 15 is additionally provided in the present embodiment outside stabilizer blade 10, the side wall of nut cap 15 is equipped with internal screw thread, with stabilizer blade 10 and spiral shell
External screw thread on line interconnecting piece 22 is adapted;The top center of nut cap 15 is additionally provided with drawstring mounting hole.Nut cap 15 is used for in
Bar wraps up stabilizer blade 10 when not in use, avoids the sharp portion of stabilizer blade 10 from hurting sb.'s feelings object, but nut cap in actual use 15 is removed
After be easily lost, therefore be arranged on stabilizer blade 10 in the present embodiment identical with the external thread diameter on threaded joints 22 (usual
For 5/8-11 thread made in Great Britain) screw thread, nut cap 15 inside be arranged internal screw thread, such centering rod nut cap when not in use 15 and branch
Foot 10 is threadedly coupled, and nut cap 15 can also lock on the threaded joints 22 on top simultaneously.The top center of nut cap 15 simultaneously is also set
There is drawstring mounting hole, flexible centering rod can calibrate centering bubble before, and common mode is to lift centering rod with rope
Calibration, setting drawstring mounting hole are brought conveniently to the calibration of engineering construction personnel later, and rope is directly through drawstring
On mounting hole.
Upper tube body latch segment 6 is equipped with centering bubble 11 and bubble mounting groove 12,12 bottom of bubble mounting groove in the present embodiment
Portion is equipped with boss bolt hole 121, and 11 bottom of centering bubble is fixed across boss bolt hole 121 using hexagon socket head special type screw 13
In in bubble mounting groove 12;The stud of hexagon socket head special type screw 13 includes threaded portion 131 and smooth surface part 132, smooth surface portion
Points 132 diameter is less than the bottom diameter of threaded portion 131, and threaded portion 131 is stuck on the boss at 121 top of boss bolt hole, light
Face part 132 is located at the lower part of boss bolt hole 121.Centering bubble 11 is installed on upper tube body latch segment 6 by the screw of lower part
On, it is calibrated when for using, whether the flexible centering rod of detection carbon fiber is vertical with bubble (level).In actual use due to centering
Bubble 11 is easy to be vibrated, and the screw of lower part can be loosened using long, is easy using the hexagon socket head cap screw of original universal architecture
It directly falls off from the bolt hole of bottom, user is needed to be equipped with the bolt of same model again to install centering bubble 11.To solve
Bolt hole is set as the bolt hole 121 with boss by the problem, the present invention, and the screw of bottom is changed to hexagon socket head special type screw
13, which has threaded portion 131 and smooth surface part 132, and the diameter of threaded portion 131 is greater than the straight of smooth surface part 132
Diameter, threaded portion 131, which is screwed into boss bolt hole 121, when installation fixes centering bubble 11, and threaded portion 131 is at boss, i.e.,
Make subsequent screw loosening, will not fall off out of mounting hole, and be suspended from boss, is tightened in time after user's discovery.
Replace original bolt by the way that positioning metal item is arranged on inner pipe using the flexible centering rod of carbon fiber of the invention
The mode of fixed inner tube, positioning metal item are made of high-strength metal material, the risk for avoiding jack from damaging, while in tube body
Accurate ring is arranged in latch segment prevents inner tube from shaking;Telescopic rod can be lockked in use by rotation knob, avoid missing
Operation;Decline buffer unit additionally is set in bottom of inner tube, slows down the decrease speed of inner tube, avoiding quickly gliding breaks mapping
Instrument and pipe reach the positioning that tube body is quick, efficient and reliable and stable, the effect that inner tube steadily glides;Stabilizer blade and stabilizer blade are solid
It is detachable connection between reservation, it is replaceable after stabilizer blade abrasion;Overall structure is simple, light-weight, convenient for the user to operate.
The above is only a preferred embodiment of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, in specific embodiments and applications can be with many changes may be made, as long as these variations are without departing from structure of the invention
Think, all belongs to the scope of protection of the present invention.
Claims (10)
- The centering rod 1. a kind of carbon fiber is stretched including hollow outer tube (1), the inner tube (2) being set in the outer tube (1) and is consolidated Tube body latch segment (3) at the top of the outer tube (1), which is characterized in that the tube wall of said inner tube (2) is equipped with scale and determines Position metal strip (4);The tube body latch segment (3) include be bolted the lower tube body latch segment (5) being integrated, upper tube body latch segment (6) and The side of clamping portion (7) between the lower tube body latch segment (5) and upper tube body latch segment (6), the clamping portion (7) is set Have knob (8), the other side is equipped with spring (16);First passed through for said inner tube (2) is offered respectively in the middle part of the lower tube body latch segment (5) and upper tube body latch segment (6) Through-hole (51) and the second through-hole (61);Is equipped with accurate ring (52) in the first through hole (51), the precision ring (52) it is interior Diameter prevents said inner tube (2) from shaking close to the outer diameter of said inner tube (2);The clamping portion (7) and the positioning metal item (4) Corresponding side is equipped with lug boss (71), and the spring (16) is that compressive state makes the lug boss (71) and said inner tube (2) outer wall abuts;It is aligned when said inner tube (2) slides into the lug boss (71) with the location hole of the positioning metal item (4) When, the lug boss (71) is inserted into the positioning metal item (4), and said inner tube (2) is blocked by the tube body latch segment (3), After pressing the knob (8), the spring (16) that the clamping portion (7) squeezes opposite side generates displacement, the lug boss (71) and institute Positioning metal item (4) disengaging is stated, said inner tube (2) is freely slidable.
- The centering rod 2. carbon fiber according to claim 1 is stretched, which is characterized in that a face side wall of said inner tube (2) is inside Concave shape camber groove (21), the positioning metal item (4) are contained in the arc groove (21), and top and bottom pass through Bolt is fixed on said inner tube (2), and the arc groove (21) and positioning metal item (4) are same with the lug boss (71) Side;Several cross spacing holes (41) are uniformly provided on the positioning metal item (4), when said inner tube (2) slide into it is described convex Portion (71) are played when being overlapped with the cross spacing hole (41), the lug boss (71) is by the spring (16) the elastic force insertion cross Said inner tube (2) are blocked into limit hole (41).
- The centering rod 3. carbon fiber according to claim 2 is stretched, which is characterized in that the lower tube body latch segment (5) is close to institute The one end for stating knob (8) offers the first groove body (53), and the bottom of first groove body (53) is cambered surface;The clamping portion (7) It is equipped with the second groove body (72), is equipped with transverse baffle (73) in second groove body (72);The knob (8) is equipped with rotary bar (81);Upper tube body latch segment (6) corresponding end is equipped with third groove body (62);When the knob (8) level, the rotary bar (81) is located in second groove body (72), and one end lies in the cross To on baffle (73);When the knob (8) rotation, the rotary bar (81) is vertical state, lower part by horizontality rotation It offseting with the bottom of first groove body (53), top is located in the third groove body (62), when continuing to rotate, first slot The cambered surface diameter of body (53) curved bottom increases, and rotary bar (81) lower end is stuck, and the knob (8) can not continue to rotate Or it presses.
- The centering rod 4. carbon fiber according to claim 3 is stretched, which is characterized in that radially opening in the middle part of the knob (8) There is mounting hole, the rotary bar (81) passes through the mounting hole and is connected as one with the knob (8).
- The centering rod 5. carbon fiber according to claim 1 or 4 is stretched, which is characterized in that said inner tube (2) bottom is equipped with inner tube Decline buffer unit (9), said inner tube decline buffer unit (9) includes the connector (91) of inner hollow, is installed on the company Ventilation part (92) and blocking cap (93) in fitting (91);The connector (91) is installed on said inner tube (2) bottom, and the middle part of the ventilation part (92) is airflow channel (94), institute Blocking cap (93) is stated to be set in the airflow channel (94);Ventilation part (92) lower part is additionally provided with skirt (95), the skirt (95) it tilts down, there are gaps between the inner wall of the outer tube (1);When said inner tube (2) decline, the skirt (95) props up the inner wall for resisting the outer tube (1), said inner tube (2) upwards The air of lower part can only flow outward through the airflow channel (94), and air, which is squeezed, becomes the pressure of said inner tube (2) lower part Greatly, speed of being obstructed when said inner tube (2) declines slows down;When said inner tube (2) decrease speed is very fast, the blocking cap (93) by Lower part pressure action moves upwards, and blocks the airflow channel (94), side wall stream of only a small amount of air from the outer tube (1) Out, said inner tube (2) decrease speed is controlled.
- The centering rod 6. carbon fiber according to claim 5 is stretched, which is characterized in that be threaded connection at the top of said inner tube (2) Portion (22), for installing measuring instrument, the bottom plane of the threaded joints (22) is equipped with gasket (23), the gasket (23) It is sheathed below the screw thread of the threaded joints (22).
- The centering rod 7. carbon fiber according to claim 6 is stretched, which is characterized in that outer tube (1) bottom is additionally provided with stabilizer blade (10) and stabilizer blade fixing seat (14), the stabilizer blade fixing seat (14) are installed on the outer tube (1) bottom, the stabilizer blade (10) and institute State stabilizer blade fixing seat (14) detachable connection.
- The centering rod 8. carbon fiber according to claim 7 is stretched, which is characterized in that one end of the stabilizer blade (10) is sharp Portion, the other end are the portion that is fixedly connected, and centre is equipped with external screw thread;The top of the stabilizer blade fixing seat (14) is equipped with a circle groove (141), the side of lower part is equipped with through-hole (142), also is provided with fixation hole, bolt or pin on the side wall of outer tube (1) lower part Being against in the groove (141) across the fixation hole makes the stabilizer blade fixing seat (14) be mounted on the outer tube (1) Lower part, bolt or pin, which resist the portion of being fixedly connected across the through-hole (142), makes the stabilizer blade (10) be mounted on institute It states in stabilizer blade fixing seat (14).
- The centering rod 9. carbon fiber according to claim 8 is stretched, which is characterized in that nut cap is additionally provided with outside the stabilizer blade (10) (15), the side wall of the nut cap (15) is equipped with the external screw thread on internal screw thread, with the stabilizer blade (10) and threaded joints (22) It is adapted;Drawstring mounting hole is additionally provided at the top of the nut cap (15).
- The centering rod 10. carbon fiber according to claim 9 is stretched, which is characterized in that the upper tube body latch segment (6) is equipped with Centering bubble (11) and bubble mounting groove (12), bubble mounting groove (12) bottom is equipped with boss bolt hole (121), described right Middle bubble (11) bottom passes through the boss bolt hole (121) using turret head special type screw (13) and is fixed on bubble mounting groove (12) in;The stud of the turret head special type screw (13) includes threaded portion (131) and smooth surface part (132), the smooth surface Partially the diameter of (132) is less than the bottom diameter of the threaded portion (131), and the threaded portion (131) is stuck in the boss bolt On boss at the top of hole (121), the smooth surface part (132) is located at the lower part of the boss bolt hole (121).
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Application Number | Priority Date | Filing Date | Title |
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CN201910694867.4A CN110454473B (en) | 2019-07-30 | 2019-07-30 | Carbon fiber telescopic centering rod |
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CN201910694867.4A CN110454473B (en) | 2019-07-30 | 2019-07-30 | Carbon fiber telescopic centering rod |
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CN110454473A true CN110454473A (en) | 2019-11-15 |
CN110454473B CN110454473B (en) | 2024-04-09 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2023237008A1 (en) * | 2022-06-08 | 2023-12-14 | 江门市广利电子科技有限公司 | Mounting device |
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US20030152419A1 (en) * | 2002-02-13 | 2003-08-14 | Chi Yu Steel Co., Ltd. | Joint for a telescoping rod |
JP3132059U (en) * | 2007-03-13 | 2007-05-31 | 泰樺家具股▲ふん▼有限公司 | Telescopic adjustment panorama |
CN201045364Y (en) * | 2007-04-27 | 2008-04-09 | 董成勇 | Compensation pipe connecting structure |
CN201794870U (en) * | 2009-06-05 | 2011-04-13 | 株式会社梦想商品 | Retractable supporting rod |
JP2017150498A (en) * | 2016-02-22 | 2017-08-31 | タキゲン製造株式会社 | Flexible lock unit |
CN210859468U (en) * | 2019-07-30 | 2020-06-26 | 深圳市量道科技有限公司 | Carbon fiber telescopic centering rod |
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2019
- 2019-07-30 CN CN201910694867.4A patent/CN110454473B/en active Active
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US20030152419A1 (en) * | 2002-02-13 | 2003-08-14 | Chi Yu Steel Co., Ltd. | Joint for a telescoping rod |
JP3132059U (en) * | 2007-03-13 | 2007-05-31 | 泰樺家具股▲ふん▼有限公司 | Telescopic adjustment panorama |
CN201045364Y (en) * | 2007-04-27 | 2008-04-09 | 董成勇 | Compensation pipe connecting structure |
CN201794870U (en) * | 2009-06-05 | 2011-04-13 | 株式会社梦想商品 | Retractable supporting rod |
JP2017150498A (en) * | 2016-02-22 | 2017-08-31 | タキゲン製造株式会社 | Flexible lock unit |
CN210859468U (en) * | 2019-07-30 | 2020-06-26 | 深圳市量道科技有限公司 | Carbon fiber telescopic centering rod |
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WO2023237008A1 (en) * | 2022-06-08 | 2023-12-14 | 江门市广利电子科技有限公司 | Mounting device |
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