CN107677171A - A kind of multifunction digital chi - Google Patents
A kind of multifunction digital chi Download PDFInfo
- Publication number
- CN107677171A CN107677171A CN201711137109.XA CN201711137109A CN107677171A CN 107677171 A CN107677171 A CN 107677171A CN 201711137109 A CN201711137109 A CN 201711137109A CN 107677171 A CN107677171 A CN 107677171A
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- Prior art keywords
- tape measure
- pressing piece
- housing
- lock
- axis
- 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.)
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims description 60
- 108090000565 Capsid Proteins Proteins 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 11
- 230000006698 induction Effects 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract 1
- 239000012634 fragment Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 125000003367 polycyclic group Chemical group 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 210000000707 wrist Anatomy 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/10—Measuring tapes
- G01B3/1005—Means for controlling winding or unwinding of tapes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/10—Measuring tapes
- G01B3/1041—Measuring tapes characterised by casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/10—Measuring tapes
- G01B3/1041—Measuring tapes characterised by casings
- G01B3/1043—Details of internal structure thereof, e.g. means for coupling separately moulded casing halves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/10—Measuring tapes
- G01B3/1061—Means for displaying or assisting reading of length measurement
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/10—Measuring tapes
- G01B3/1061—Means for displaying or assisting reading of length measurement
- G01B3/1069—Electronic or mechanical display arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/10—Measuring tapes
- G01B3/1005—Means for controlling winding or unwinding of tapes
- G01B3/1007—Means for locking
- G01B2003/1015—Means for locking engaging the tape in a direction transversal to the tape itself
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tape Measures (AREA)
Abstract
The invention discloses a kind of multifunction digital chi, it includes housing and foot wheel, and the foot wheel, with axis rotation, is additionally provided with tape measure and chi spring within housing in foot wheel；Displacement transducer, the rotation to foot wheel count；Locked by nose bar, the telescopic location of tape measure is locked or unlocked using the elastic force of elastic component；Display screen and pcb board, the pcb board are electrically connected with display screen and displacement transducer.The present invention is simple in construction and has the reliable structure stablized well, and carries out the display to data by display screen, while has the digital functions such as calculating, switching unit.
Description
Technical field
The present invention relates to tape measure technical field, particularly a kind of multifunction digital chi.
Background technology
At present now, various laser digital chis are all very more, but laser digital chi can not carry out the measurement of appearance data, and
Without computing function.
The content of the invention
The technical problem to be solved in the present invention is to be directed to above-mentioned the deficiencies in the prior art, there is provided a kind of multifunction digital chi.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of multifunction digital chi, it includes shell
Body and foot wheel, the foot wheel, with axis rotation, are additionally provided with tape measure and chi spring within the housing in foot wheel；Displacement
Sensor, the tensile elongation of the tape measure is counted；Locked by nose bar, using the elastic force of elastic component to the flexible position of tape measure
Put and locked or unlocked；Display screen and pcb board, the pcb board are electrically connected with display screen and displacement transducer.
In above-mentioned technical proposal, institute's displacement sensors are Hall magnetic angle induction chip；It is additionally provided with housing
One pivoted frame, one end of pivoted frame are articulated in housing by axle, and set torsion spring the pivoted frame is had bullet by being covered on the axle
Property the ability that rotates and keep, to the pressure on tape measure surface, roller being provided with the other end of pivoted frame, the pair of rollers tape measure
Surface carry out elastic pressure, the axle center of the axle is parallel in the same plane with the axle center of tape measure；A magnet is provided with rolling
Synchronous axial system is taken turns, the Hall magnetic angle induction chip carries out rotating linearity test and is transferred to the pcb board to the magnet.
A block set is coaxially provided with the roller, for the magnet in the block set, block set is non-contact with tape measure.
In above-mentioned technical proposal, Dampening regions are provided with the end face of the foot wheel, the Dampening regions act on the tooth
Between the end face of wheel and housing.Damping fluid is provided with the Dampening regions.
In above-mentioned technical proposal, the foot wheel includes reel main body, and the tape measure volume is located at outside reel main body, the chi
Spring is within reel main body；The end face of the reel main body is remained silent and is provided with a via to be passed through for the axis, institute
The other end opening of reel main body is stated, the opening is provided with end cap, and central through hole is provided with end cap and allows the axis to pass through.
In above-mentioned technical proposal, the housing includes procapsid and back casing, the axis from the inner side of back casing towards
Procapsid extends, and procapsid is fixed on position of the end of axis between fixation and back casing by locking part.
In above-mentioned technical proposal, the medial surface of the procapsid is provided with concavity, the end set in axis free end
Have convex shaped part, the procapsid is assembled with axis by male-female engagement, the appearance side of the concavity and axis root it is outer
Table side face is the pivoting friction contact surface between foot wheel.
Described to include main pressing piece and secondary pressing piece by nose bar lock in above-mentioned technical proposal, the main pressing piece presses with secondary
By contact of incline plane between part, the first elastic component is provided with to provide elastic force and overcomes effect of the main pressing piece to secondary pressing piece
Power, the second elastic component is provided with to provide elastic force and overcomes active force of the secondary pressing piece to tape measure surface.
In above-mentioned technical proposal, the secondary pressing piece is provided with the press section to tape measure, and the press section is located at tape measure bending
The outside of inner face, and press section is inverted U shape, and two end set apart on inverted U-shaped is curved end face, in secondary pressing piece
When stress is pressed tape measure, the curved end face and plane-plane contact in tape measure bending.
In above-mentioned technical proposal, in addition to be arranged at it is described stir latch components by what nose bar was locked, this stirs lock group
Part include being articulated in shifting part on main pressing piece and with the integrally formed elastic lock of main pressing piece, be provided with shifting part
Catching groove, elastic lock are provided with inner side lock and outer side lock, catching groove and inside lock snap fit pair, and outer side lock matches with housing；
Positive direction stirs shifting part, catching groove is latched with inner side and fastens, and outer side lock is overcome the elastic force and housing button of elastic lock
Close so as to keep the pressing to tape measure by nose bar lock；Opposite direction stirs shifting part, catching groove is latched with inner side and disengages, makes outer side chain
Detain because the elastic force of elastic lock resets, disengage the lock with housing, to unclamp the pressing to tape measure.
The beneficial effects of the invention are as follows：
1st, overall structure is simple and highly reliable；
2nd, digital reading is carried out using displacement transducer, improves the practicality of tape measure；
3rd, local structure design has very strong physical characteristic, is embodied in the performances such as intensity, friction；
The 4th, multiple standalone feature buttons are set, convenience can be improved；
5th, program capability can be utilized to form software for calculation coordinates the present invention to realize computing function.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the decomposition texture schematic diagram of the present invention；
Fig. 3 is the structural representation of another angles of Fig. 2；
Fig. 4 is Fig. 1 middle sections A-A structural representation；
Fig. 5 is the partial enlargement structural representation in Fig. 4；
Fig. 6 is Fig. 1 middle sections B-B structural representation；
Fig. 7 is the structural representation that the present invention stirs lock；
Fig. 8 is another angles of Fig. 7（Stir the state for latching in fastening）Structural representation；
Fig. 9 is Fig. 8 cross section structure schematic diagram；
Figure 10 is the application structure schematic diagram of displacement transducer of the present invention.
In figure,
1st, housing；11st, axis；12nd, procapsid；13rd, back casing；14th, concavity；15th, convex shaped part；
2nd, foot wheel；21st, tape measure；22nd, chi spring；23rd, reel main body；24th, end cap；25th, central through hole；26th, convex edge；27th, tape measure is curved
Bent inner face；
3rd, locked by nose bar；31st, main pressing piece；32nd, secondary pressing piece；33rd, spring；34th, support bar；35th, pressing plate；36th, V-arrangement shell fragment；
37th, press section；38th, curved end face；39th, button；
401st, power interface；402nd, display screen；403rd, pcb board；404th, physical button；
5th, shell；51st, passageway；52nd, grid；53rd, power interface plug；54th, soft set；
6th, belt fastener；7th, tucket sound hole；8th, wrist strap；
91st, Hall magnetic angle induction chip；92nd, magnet；93rd, polycyclic concave convex texture；94th, block set；95th, pcb board；96th, FPC connects
Connect device；97th, pivoting friction contact surface；
101st, pivoted frame；102nd, axle；103rd, torsion spring；104th, roller；105th, axle；
201st, shifting part；202nd, elastic lock；203rd, catching groove；204th, inner side latches；205th, outer side lock.
Embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
As Figure 1-10 shows, a kind of multifunction digital chi, it includes housing 1 and foot wheel 2, and the foot wheel 2 is located at the housing 1
Within, and with the rotation of axis 11, tape measure 21 and chi spring 22 are additionally provided with foot wheel 2；Displacement transducer, to the foot wheel 2
Rotation is counted；3 are locked by nose bar, the telescopic location of tape measure 21 is locked or unlocked using the elastic force of elastic component；Electricity
Source interface 401, display screen 402 and pcb board 403, the pcb board 403 and display screen 402, displacement transducer and power interface 401
It is electrically connected with.
Specifically, above-mentioned displacement transducer is adopted as Hall magnetic angle induction chip 91, measurement data is converted to
The number of turns of rotation, the corresponding length for conversing tape measure；A pivoted frame 101 is additionally provided with housing 1, one end of pivoted frame 101 leads to
Cross axle 102 to be articulated in housing 1, and set torsion spring 103 to make the 101 flexible rotation of pivoted frame by being covered on the axle 102
Ability and keep to the pressure on the surface of tape measure 21, be provided with turning rolls on the other end of pivoted frame 101, axle 105 was through should
Turning rolls, roller 104 are set on the axle 105, and the roller 104 carries out elastic pressure to the surface of tape measure 21, is gone back on roller 104
Be arranged with a flexible glue circle, make it is non-rigid between roller 104 and tape measure 21 contact, the axle center of the axle 102,105 and tape measure 21
Axle center is parallel in the same plane；A magnet 92 is provided with the synchronous axial system of roller 104, the Hall magnetic angle induction chip
91 pairs of magnet 92 carry out rotating linearity test and are transferred to the pcb board 95.A block set is coaxially provided with the roller 104
94, block set 94 is fixed on the part that axle 105 passes through one end of turning rolls to be stretched out, and is provided with depression in the bottom of block set 94,
In depression of the magnet 92 in the block set 94, the external diameter of block set 94 is less than the external diameter of roller 104, therefore block set 94 and tape measure
21 is non-contact, and magnet 92 is located at the surface of Hall magnetic angle induction chip 91, and the rwo is non-contact.Hall magnetic
Angle induction chip 91 is fixed on pcb board 95, and the pcb board 95 is fixed on pivoted frame 101, and FPC connections are additionally provided with pcb board 95
Device 96 is simultaneously electrically connected by FPC connection winding displacements with pcb board 403.
Shell 5 is provided with so that the position of housing 1, power interface 401, display screen 402 and pcb board 403 to be fixed, power supply connects
Mouth 401 is welded on pcb board 403, and soft set 54 is also enclosed with outside shell 5 to strengthen outer barrier propterty.Set on soft set 54
It is equipped with integral power interface plug 53.Passageway 51 is provided between housing 1 and shell 5, allows tape measure 21 to pass through passageway out of housing 1
51 stretch out outside, excessive friction are produced with passageway 51 in telescopic process in order to reduce tape measure 21, so in passageway 51
On along telescopic direction, grid 52 is set, contact between passageway 51 and tape measure 21 is changed into the linear contact lay of multistage from face contact.If
It is equipped with physical button 404 to be electrically connected with pcb board 403, positioned at the back side of shell 5, the physical button 404 is opened including power supply
Key, unit of account switch key, selection units of measurement key, area or volume calculation key, measurement data typing key, data dump key
And chi external pelivimetry key in chi, easy to operation and simplified operation；Touch-screen can certainly be set on display screen 402 again with generation
For the function of physical button 404.In addition, being additionally provided with belt fastener 6 at the back side of shell 5, it is easy to carry；And tucket sound hole
7, to play reading or data or other voice messages.Display screen 402 is located at the front of shell 5.It can be set in the front of shell
There is the battery settling groove as accommodating built-in power, inserted after button cell is installed on plate in mounting groove.In the angle position of shell 5
It is additionally provided with a wrist strap 8.
Wherein, Dampening regions are provided with the end face of the foot wheel 2, the Dampening regions act on the end face of the gear with
Between housing 1, polycyclic concave convex texture 93 is provided that on the Dampening regions.Damping fluid is provided with the Dampening regions, is damped
Liquid can strengthen damping and reduce the plastic cement friction between housing 1 and foot wheel 2.
Wherein, the foot wheel 2 includes reel main body 23, and the tape measure volume 21 is located at outside reel main body 23, the chi spring
22 within reel main body 23；The end face of the reel main body 23 is remained silent and is provided with a via to be worn for the axis 11
Cross, the other end opening of the reel main body 23, the opening is provided with end cap 24, and central through hole 25 is provided with end cap 24 and is allowed
The axis 11 passes through.The interior lateral center of the central through hole 25 is extended with the convex edge 26 of annular, the medial plane of the convex edge 26
It is concordant with the plane that convex shaped part 15 on axis 11 is shorter, formed between the part that central through hole 25 and convex shaped part 15 protrude accommodating recessed
The gap in shape portion 14.
Wherein, the housing 1 includes procapsid 12 and back casing 13, the axis 11 from the inner side of back casing 13 forward
Housing 12 extends, and procapsid 12 is fixed on the end of axis 11 to fix the position between back casing 13 by locking part.Institute
The medial surface for stating procapsid 12 is provided with concavity 14, and the end set in the free end of axis 11 has convex shaped part 15, the procapsid
12 are assembled with axis 11 by male-female engagement, the appearance side of the concavity 14 and the appearance side of the root of axis 11 be with
Pivoting friction contact surface 97 between foot wheel 2.The external diameter of the projection of convex shaped part 15 is less than the sunk part of concavity 14
Internal diameter, the height of the projection of convex shaped part 15 are less than the depth of the sunk part of concavity 14, make convex shaped part 15 and concavity
Contact surface between 14 only has the end face of axial direction.
Wherein, it is described to include main pressing piece 31 and secondary pressing piece 32, the main pressing piece 31 and secondary pressing piece 32 by nose bar lock 3
Between by contact of incline plane, be provided with the first elastic component to provide elastic force and overcome effect of the main pressing piece 31 to secondary pressing piece 32
Power, the second elastic component is provided with to provide elastic force and overcomes active force of the secondary pressing piece 32 to the surface of tape measure 21.First elastic component
For spring 33, support bar 34 is provided with shell 5, spring 33 is arranged with support bar 34, is provided with main pressing piece 31
Pressing plate 35, via is provided with pressing plate 35, the both ends of spring 33 are respectively acting between root and the pressing plate 35 of support bar 34,
Axis direction of the spring 33 along support bar 34 provides elastic force to main pressing piece 31, main pressing piece 31 is in normally opened state,
That is when spring 33 is in confined state, main pressing piece 31 is in closure state.Second elastic component be spring 33 or
Person is shell fragment, and V-arrangement shell fragment 36 is used among the present embodiment, the V-arrangement shell fragment 36 act on shell 5 and secondary pressing piece 32 it
Between, when main pressing piece 31 is in normally open, secondary pressing piece 32 is not locked to tape measure 21 and is in released state, V
Shape shell fragment 36 is in non-compaction；When main pressing piece 31 is in closure state, main pressing piece 31 is along support bar 34
The movement of axis direction outside-in, during movement, the inclined-plane of the inclined-plane of main pressing piece 31 to secondary pressing piece 32
Effect, and secondary pressing piece 32 is pushed, secondary pressing piece 32 is overcome the elastic force of V-arrangement shell fragment 36, tape measure bending inner face 27 is entered
Row pressurization positioning.A button 39 for exposing to shell 5 is provided with the force side of main pressing piece 31.In addition, in main pressing piece 31
Lower edges be provided with guide groove, the guide groove is corresponding with the guide rod on the shell 5, further to strengthen main pressing piece 31
Reliability；The position of certain guide groove and guide rod is interchangeable.
Wherein, the secondary pressing piece 32 is provided with the press section 37 to tape measure 21, and the press section 37 is located in tape measure bending
The outside in face 27, and press section 37 is inverted U shape, and two end set apart on inverted U-shaped is curved end face 38, is pressed in pair
When the stress of casting die 32 is pressed tape measure 21, the curved end face 38 contacts with tape measure bending inner face 27 face.
Latch components also are stirred on 3 including being arranged at described locked by nose bar, this, which stirs latch components, includes being articulated in master
Shifting part 201 on pressing piece 31 and with the integrally formed elastic lock 32 of main pressing piece 31, button is provided with shifting part 201
Groove 203, elastic lock 202 are provided with inner side lock 204 and outer side lock 205, catching groove 203 and the pairing of inner side lock 204, outside
Lock 205 matches with housing；Positive direction stirs shifting part 201, catching groove 203 is latched 204 with inner side and fastens, makes outer side lock
206 overcome the elastic force of elastic lock 202 to be fastened with housing so as to keep the pressing to tape measure 21 by nose bar lock 3；Opposite direction is dialled
Dynamic shifting part 201, catching groove 203 is latched 204 with inner side and disengage, make outer side lock 205 because the elastic force of elastic lock 202 is answered
Position, the lock with housing is disengaged, to unclamp the pressing to tape measure 21.
The operation principle of the present invention：Startup power supply on ＆ off switch simultaneously starts corresponding function button, and tape measure 21 is pulled out simultaneously
After measuring, reading is carried out by display screen 402, user can also carry out unit switching by corresponding function button
Deng, and tape measure 21 can be made to position the position for stretching out length by pressing button 39 in use, in order to
Operation.
Embodiment above is merely illustrative and not limiting to the invention, therefore all according to described in present patent application scope
The equivalent change or modification done of method, be included in the range of present patent application.
Claims (10)
- A kind of 1. multifunction digital chi, it is characterised in that：IncludingHousing and foot wheel, the foot wheel, with axis rotation, are additionally provided with tape measure and chi within the housing in foot wheel Spring；Displacement transducer, the tensile elongation of the tape measure is counted；Locked by nose bar, the telescopic location of tape measure is locked or unlocked using the elastic force of elastic component；Display screen and pcb board, the pcb board are electrically connected with display screen and displacement transducer.
- A kind of 2. multifunction digital chi according to claim 1, it is characterised in that：Institute's displacement sensors are Hall magnetic Angle induction chip；A pivoted frame is additionally provided with housing, one end of pivoted frame is articulated in housing by axle, and by this The pressure of the ability for setting torsion spring to make the flexible rotation of the pivoted frame and holding to tape measure surface is covered on axle, in the another of pivoted frame Roller is provided with end, the surface of the pair of rollers tape measure carries out elastic pressure, and the axle center of the axle and the axle center of tape measure are same Plane in parallel；A magnet is provided with to turn the magnet with roller synchronous axial system, the Hall magnetic angle induction chip It is linear to detect and be transferred to the pcb board；A block set is coaxially provided with the roller, the magnet is in the block set, set Seat is non-contact with tape measure.
- A kind of 3. multifunction digital chi according to claim 1, it is characterised in that：Resistance is provided with the end face of the foot wheel Buddhist nun region, the Dampening regions are acted between end face and the housing of the gear.
- A kind of 4. multifunction digital chi according to claim 3, it is characterised in that：Damping is provided with the Dampening regions Liquid.
- A kind of 5. multifunction digital chi according to claim 1, it is characterised in that：The foot wheel includes reel main body, institute State tape measure volume to be located at outside reel main body, the chi spring is within reel main body；The end face of the reel main body is remained silent simultaneously And be provided with a via and passed through for the axis, the other end opening of the reel main body, the opening is provided with end cap, end cap On be provided with central through hole and allow the axis to pass through.
- A kind of 6. multifunction digital chi according to claim 1, it is characterised in that：The housing includes procapsid and rear shell Body, from the inner side of back casing, housing extends the axis forward, and procapsid is fixed on the end of axis to consolidate by locking part The fixed position between back casing.
- A kind of 7. multifunction digital chi according to claim 6, it is characterised in that：The medial surface of the procapsid is provided with Concavity, the end set in axis free end have convex shaped part, and the procapsid is assembled with axis by male-female engagement, the concavity The appearance side in portion and the appearance side of axis root are the pivoting friction contact surface between foot wheel.
- A kind of 8. multifunction digital chi according to claim 1, it is characterised in that：It is described to include main pressing piece by nose bar lock With secondary pressing piece, by contact of incline plane between the main pressing piece and secondary pressing piece, the first elastic component is provided with to provide elastic force Main pressing piece is overcome to the active force of secondary pressing piece, is provided with the second elastic component to provide elastic force and is overcome secondary pressing piece to tape measure The active force on surface.
- A kind of 9. multifunction digital chi according to claim 8, it is characterised in that：The secondary pressing piece is provided with to tape measure Press section, the press section is located at the outside of tape measure bending inner face, and press section is inverted U shape, and two on inverted U-shaped are apart End set is curved end face, and when secondary pressing piece stress is pressed tape measure, the curved end face connects with tape measure bending inner face face Touch.
- A kind of 10. multifunction digital chi according to claim 8, it is characterised in that：It is also described by nose bar including being arranged at That locks stirs latch components, this stir latch components include being articulated in shifting part on main pressing piece and with main pressing piece one The elastic lock of shaping, is provided with catching groove on shifting part, and elastic lock is provided with inner side lock and outer side lock, catching groove with it is interior Side lock matches, and outer side lock matches with housing；Positive direction stirs shifting part, catching groove is latched with inner side and fastens, makes outer side chain Button overcomes the elastic force of elastic lock to be fastened with housing so as to keep the pressing to tape measure by nose bar lock；Opposite direction is stirred Part, catching groove is latched with inner side and disengage, outer side lock is disengaged the lock with housing because the elastic force of elastic lock resets, To unclamp the pressing to tape measure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711137109.XA CN107677171A (en) | 2017-11-16 | 2017-11-16 | A kind of multifunction digital chi |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711137109.XA CN107677171A (en) | 2017-11-16 | 2017-11-16 | A kind of multifunction digital chi |
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| Publication Number | Publication Date |
|---|---|
| CN107677171A true CN107677171A (en) | 2018-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711137109.XA Pending CN107677171A (en) | 2017-11-16 | 2017-11-16 | A kind of multifunction digital chi |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210009935A (en) * | 2019-07-18 | 2021-01-27 | 주식회사 베이글랩스 | Length measuring device |
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| US6964114B1 (en) * | 2004-06-29 | 2005-11-15 | Michael Chen | Structure tape rule |
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| CN101625222A (en) * | 2008-07-11 | 2010-01-13 | 吴其联 | Flexible rule |
| US20100064540A1 (en) * | 2008-09-16 | 2010-03-18 | Jason Huang | Automatic locking mechanism for a measuring tape device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20210009935A (en) * | 2019-07-18 | 2021-01-27 | 주식회사 베이글랩스 | Length measuring device |
| KR102219215B1 (en) * | 2019-07-18 | 2021-02-23 | 주식회사 베이글랩스 | Length measuring device |
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Application publication date: 20180209 |