CN207779249U - A kind of multifunction digital ruler - Google Patents
A kind of multifunction digital ruler Download PDFInfo
- Publication number
- CN207779249U CN207779249U CN201721532857.3U CN201721532857U CN207779249U CN 207779249 U CN207779249 U CN 207779249U CN 201721532857 U CN201721532857 U CN 201721532857U CN 207779249 U CN207779249 U CN 207779249U
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- tape measure
- shell
- pressing piece
- axis
- lock
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Abstract
The utility model discloses a kind of multifunction digital rulers comprising shell and foot wheel, which is set within shell, and with axis rotation, tape measure and ruler spring are additionally provided in foot wheel；Displacement sensor counts the rotation of foot wheel；It is 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 sensor.The utility model is simple in structure and has the reliable structure stablized well, and carries out the display to data by display screen, while having the digital functions such as calculating, switching unit.
Description
Technical field
The utility model is related to tape measure technical field, especially a kind of multifunction digital ruler.
Background technology
Now currently, various laser digital rulers are all very more, but laser digital ruler can not carry out the measurement of appearance data, and
Without computing function.
Utility model content
In view of the above-mentioned deficiencies of the prior art, technical problem to be solved by the utility model is to provide a kind of multifunction digitals
Ruler.
In order to solve the above technical problems, technical solution adopted in the utility model is：A kind of multifunction digital ruler, packet
Shell and foot wheel are included, which is set within the shell, and with axis rotation, tape measure and ruler spring are additionally provided in foot wheel；
Displacement sensor counts the tensile elongation of the tape measure；It locks by nose bar, tape measure is stretched using the elastic force of elastic component
It condenses to set and is locked or unlocked；Display screen and pcb board, the pcb board are electrically connected with display screen and displacement sensor.
In above-mentioned technical proposal, institute's displacement sensors are Hall magnetic angle induction chip；It is additionally provided in shell
One end of one pivoted frame, pivoted frame is articulated in by axis in shell, and so that the pivoted frame is had bullet by covering setting torsional spring on the axis
Property rotation ability and keep, to the pressure on tape measure surface, idler wheel being provided on the other end of pivoted frame, the pair of rollers tape measure
Surface carry out elastic pressure, the axle center of the axis and the axle center of tape measure are parallel in the same plane；A magnet is provided with rolling
Wheel rotates synchronously, and the Hall magnetic angle induction chip carries out rotation linearity test to the magnet and is transferred to the pcb board.
It is coaxially provided with a block set with the idler wheel, the magnet is set in the block set, and block set is non-contact with tape measure.
In above-mentioned technical proposal, Dampening regions are provided on the end face of the foot wheel, which acts on the tooth
Between the end face and shell of wheel.It is provided with damping fluid on the Dampening regions.
In above-mentioned technical proposal, the foot wheel includes reel main body, and the tape measure volume is located at except reel main body, the ruler
Spring is set within reel main body；The end face of the reel main body is silent and is provided with a via and is passed through for the axis, institute
The other end opening of reel main body is stated, which is provided with end cap, central through hole is provided on end cap, the axis is allowed to pass through.
In above-mentioned technical proposal, the shell includes procapsid and back casing, the axis from the inside of back casing towards
Procapsid extends, and procapsid is fixed on the end of axis with the position 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, which 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.
In above-mentioned technical proposal, the nose bar lock of pressing includes main pressing piece and secondary pressing piece, which presses with pair
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 is provided with the second elastic component to provide the active force that elastic force overcomes secondary pressing piece to tape measure surface.
In above-mentioned technical proposal, the pair pressing piece is provided with the press section to tape measure, which 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 presses tape measure, the curved end face and plane-plane contact in tape measure bending.
In above-mentioned technical proposal, further include be set to it is described stir latch components by what nose bar was locked, this stirs lock group
Part include the shifting part being articulated on main pressing piece and with the integrally formed elastic lock of main pressing piece, be provided on shifting part
Catching groove, elastic lock are equipped with inside lock and outer side lock, catching groove and inside lock snap fit pair, and outer side lock is matched with shell；
Positive direction stirs shifting part, so that catching groove is latched with inside and fastens, and outer side lock is made to overcome the elastic force and shell button of elastic lock
It closes so as to keep the pressing to tape measure by nose bar lock；Negative direction stirs shifting part, so that catching groove is latched with inside and disengages, makes outer side chain
It detains since the elastic force of elastic lock resets, disengages the lock with shell, to unclamp the pressing to tape measure.
The utility model has the beneficial effects that：
1, overall structure is simple and highly reliable；
2, digital reading is carried out using displacement sensor, improves the practicability of tape measure；
3, local structure design has very strong physical characteristic, is embodied in the performances such as intensity, friction；
4, multiple standalone feature buttons are set, convenience can be improved；
5, program capability can be utilized to form software for calculation coordinates the utility model to realize computing function.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the decomposition texture schematic diagram of the utility model；
Fig. 3 is the structural schematic diagram of another angles of Fig. 2；
Fig. 4 is the structural schematic diagram of the middle sections Fig. 1 A-A；
Fig. 5 is the partial enlargement structural representation in Fig. 4；
Fig. 6 is the structural schematic diagram of the middle sections Fig. 1 B-B；
Fig. 7 is the structural schematic diagram that the utility model stirs lock；
Fig. 8 is another angles of Fig. 7（Stir the state for latching in fastening）Structural schematic diagram；
Fig. 9 is the cross section structure schematic diagram of Fig. 8；
Figure 10 is the schematic diagram of application structure of the utility model displacement sensor.
In figure,
1, shell；11, axis；12, procapsid；13, back casing；14, concavity；15, convex shaped part；
2, foot wheel；21, tape measure；22, ruler spring；23, reel main body；24, end cap；25, central through hole；26, convex edge；27, it rolls up
Ruler is bent inner face；
3, nose bar is pressed to lock；31, main pressing piece；32, secondary pressing piece；33, spring；34, supporting rod；35, pressing plate；36, V-arrangement bullet
Piece；37, press section；38, curved end face；39, button；
401, power interface；402, display screen；403, pcb board；404, physical button；
5, shell；51, passageway；52, grid；53, power interface plug；54, soft set；
6, belt fastener；7, tucket sound hole；8, wrist strap；
91, Hall magnetic angle induction chip；92, magnet；93, polycyclic concave convex texture；94, block set；95, pcb board；96、
FPC connector；97, pivoting friction contact surface；
101, pivoted frame；102, axis；103, torsional spring；104, idler wheel；105, axis；
201, shifting part；202, elastic lock；203, catching groove；204, inside latches；205, outer side lock.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
As Figure 1-10 shows, a kind of multifunction digital ruler comprising shell 1 and foot wheel 2, the foot wheel 2 are set to the shell 1
Within, and with 11 rotation of axis, tape measure 21 and ruler spring 22 are additionally provided in foot wheel 2；Displacement sensor, 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 sensor and power interface 401
It is electrically connected.
Specifically, above-mentioned displacement sensor 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 in shell 1, one end of pivoted frame 101 is logical
It crosses axis 102 to be articulated in shell 1, and make the pivoted frame 101 that there is elastic rotation by covering setting torsional spring 103 on the axis 102
Ability and keep, to the pressure on 21 surface of tape measure, turning rolls being provided on the other end of pivoted frame 101, axis 105 passes through should
Turning rolls, idler wheel 104 are set on the axis 105, which carries out elastic pressure to the surface of tape measure 21, is gone back on idler wheel 104
Be arranged with a flexible glue circle, make it is non-rigid between idler wheel 104 and tape measure 21 contact, the axle center of the axis 102,105 and tape measure 21
Axle center is parallel in the same plane；It is provided with a magnet 92 to rotate synchronously with idler wheel 104, the Hall magnetic angle induction chip
91 pairs of magnet 92 carry out rotation linearity test and are transferred to the pcb board 95.It is coaxially provided with a block set with the idler wheel 104
94, block set 94 is fixed in axis 105 on the part that one end of turning rolls is stretched out, and is equipped with recess in the bottom of block set 94,
The magnet 92 is set in the recess in the block set 94, and the outer diameter of block set 94 is less than the outer diameter of idler wheel 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, which is fixed on pivoted frame 101, and FPC connections are additionally provided on pcb board 95
Device 96 is simultaneously electrically connected by FPC connection cables with pcb board 403.
Shell 5 is provided with to fix the position of shell 1, power interface 401, display screen 402 and pcb board 403, power supply connects
Mouth 401 is welded on pcb board 403, and soft set 54 is also enclosed with except shell 5 to reinforce outer barrier propterty.It is set on soft set 54
It is equipped with integrated power interface plug 53.It is provided with passageway 51 between shell 1 and shell 5, tape measure 21 is allowed to pass through passageway out of shell 1
51 stretch out outside, excessive friction are generated with passageway 51 in telescopic process in order to reduce tape measure 21, so in passageway 51
Grid 52 is arranged in upper edge telescopic direction, and the line that the contact between passageway 51 and tape measure 21 becomes multistage from face contact is made to contact.If
It is equipped with physical button 404 to be electrically connected with pcb board 403, is located at the back side of shell 5, which opens 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 ruler external pelivimetry key in ruler, easy to operation and simplified operation；Can certainly again on display screen 402 setting touch screen with generation
For the function of physical button 404.In addition, it is 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 prompts.Display screen 402 is located at the front of shell 5.It can be in the front setting of shell
There is the battery settling groove as accommodating built-in power, is inserted into mounting groove after button cell is installed on plate.In the angle of shell 5 position
It is additionally provided with a wrist strap 8.
Wherein, Dampening regions are provided on the end face of the foot wheel 2, the Dampening regions act on the end face of the gear with
Between shell 1, polycyclic concave convex texture 93 is provided that on the Dampening regions.It is provided with damping fluid on the Dampening regions, damps
Liquid can reinforce damping and reduce the plastic cement friction between shell 1 and foot wheel 2.
Wherein, the foot wheel 2 includes reel main body 23, and the tape measure volume 21 is located at except reel main body 23, the ruler spring
22 are set within reel main body 23；The end face of the reel main body 23 is silent and is provided with a via and is worn for the axis 11
It crosses, the other end opening of the reel main body 23, the opening is provided with end cap 24, central through hole 25 is provided on 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, it is 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 shell 1 include procapsid 12 and back casing 13, the axis 11 from the inside of back casing 13 forward
Shell 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 11 free end of axis has convex shaped part 15, the procapsid
12 are assembled with axis 11 by male-female engagement, the appearance side of 11 root of appearance side and axis of the concavity 14 be with
Pivoting friction contact surface 97 between foot wheel 2.The outer diameter of the protrusion part of convex shaped part 15 is less than the sunk part of concavity 14
Internal diameter, the height of the protrusion part 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 axial end face.
Wherein, 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 is provided with the second elastic component to provide the active force that elastic force overcomes secondary pressing piece 32 to 21 surface of tape measure.First elastic component
For spring 33, it is provided with supporting rod 34 on shell 5, spring 33 is arranged on supporting rod 34, is provided on main pressing piece 31
Pressing plate 35 is provided with via on pressing plate 35, and the both ends of spring 33 are respectively acting between the root and pressing plate 35 of supporting rod 34,
Spring 33 provides elastic force along the axis direction of supporting rod 34 to main pressing piece 31, and main pressing piece 31 is made to be in normally opened state,
That is when spring 33 is in confined state, main pressing piece 31 is in closed state.Second elastic component be spring 33 or
Person is shrapnel, and V-arrangement shrapnel 36 is used in the present embodiment, the V-arrangement shrapnel 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 does not lock and in the unlocked state, V tape measure 21
Shape shrapnel 36 is in non-compaction；When main pressing piece 31 is in closed state, main pressing piece 31 is along supporting rod 34
The movement of axis direction outside-in, in the process of moving, 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, and secondary pressing piece 32 is made to overcome the elastic force of V-arrangement shrapnel 36, to tape measure be bent inner face 27 into
Row pressurization positioning.The force side of main pressing piece 31 is provided with a button 39 for exposing to shell 5.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, to further 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, which 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 32 stress of casting die presses tape measure 21, which contacts with 27 face of tape measure bending inner face.
Further include being set to described lock by nose bar to stir latch components on 3, it includes being articulated in master that this, which stirs latch components,
Shifting part 201 on pressing piece 31 and with 31 integrally formed elastic lock 32 of main pressing piece, button is provided on shifting part 201
Slot 203, elastic lock 202 are equipped with inside lock 204 and outer side lock 205, catching groove 203 and 204 pairing of inside lock, outside
Lock 205 is matched with shell；Positive direction stirs shifting part 201, so that catching groove 203 is latched 204 with inside and fastens, makes outer side lock
206 overcome the elastic force of elastic lock 202 to be fastened with shell so as to keep the pressing to tape measure 21 by nose bar lock 3；Negative direction is dialled
Dynamic shifting part 201 makes catching groove 203 latch 204 with inside and disengages, and keeps outer side lock 205 multiple due to the elastic force of elastic lock 202
Position disengages the lock with shell, to unclamp the pressing to tape measure 21.
The operation principle of the utility model：Startup power supply on ＆ off switch simultaneously starts corresponding function button, and tape measure 21 is drawn
It after going out and measuring, is read by display screen 402, user can also carry out unit by corresponding function button and cut
It changes, and tape measure 21 can be made to position the position for stretching out length by pressing button 39 in use, so as to
In operation.
Above embodiment only indicates that rather than limits the utility model, therefore all according to the utility model patent application
The equivalent change or modification that method described in range is done, is included in the scope of the utility model patent application.
Claims (10)
1. a kind of multifunction digital ruler, it is characterised in that：Including
Shell and foot wheel, which is set within the shell, and with axis rotation, tape measure and ruler are additionally provided in foot wheel
Spring；
Displacement sensor counts the tensile elongation of the tape measure；
It is 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 sensor.
2. a kind of multifunction digital ruler 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 in shell, one end of pivoted frame is articulated in by axis in shell, and by this
Set setting torsional spring makes the pivoted frame have the ability of elastic rotation and keeps the pressure to tape measure surface on axis, in the another of pivoted frame
Idler wheel is provided on end, the surface of the pair of rollers tape measure carries out elastic pressure, and the axle center of the axis and the axle center of tape measure are same
Plane in parallel；It is provided with a magnet to rotate synchronously with idler wheel, the Hall magnetic angle induction chip turns the magnet
Linear detection is simultaneously transferred to the pcb board；It is coaxially provided with a block set with the idler wheel, the magnet is set in the block set, set
Seat is non-contact with tape measure.
3. a kind of multifunction digital ruler according to claim 1, it is characterised in that：Resistance is provided on the end face of the foot wheel
Buddhist nun region, the Dampening regions act between the end face and shell of the foot wheel.
4. a kind of multifunction digital ruler according to claim 3, it is characterised in that：Damping is provided on the Dampening regions
Liquid.
5. a kind of multifunction digital ruler according to claim 1, it is characterised in that：The foot wheel includes reel main body, institute
It states tape measure volume to be located at except reel main body, the ruler spring is set within reel main body；The end face of the reel main body is 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 the axis allowed to pass through.
6. a kind of multifunction digital ruler according to claim 1, it is characterised in that：The shell includes procapsid and rear shell
Body, from the inside of back casing, shell extends the axis forward, and procapsid is fixed on the end of axis to consolidate by locking part
The fixed position between back casing.
7. a kind of multifunction digital ruler 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, which 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.
8. a kind of multifunction digital ruler according to claim 1, it is characterised in that：Described locked by nose bar includes main pressing piece
The first elastic component is provided with to provide elastic force by contact of incline plane between the main pressing piece and secondary pressing piece with secondary pressing piece
Main pressing piece is overcome to the active force of secondary pressing piece, is provided with the second elastic component and is overcome secondary pressing piece to tape measure to provide elastic force
The active force on surface.
9. a kind of multifunction digital ruler according to claim 8, it is characterised in that：The pair pressing piece is provided with to tape measure
Press section, which 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 presses tape measure, which connects with tape measure bending inner face face
It touches.
10. a kind of multifunction digital ruler according to claim 8, it is characterised in that：Further include be set to it is described by nose bar
That locks stirs latch components, this stir latch components include the shifting part being articulated on main pressing piece and with main pressing piece one
Molding elastic lock, is provided with catching groove on shifting part, and elastic lock is equipped with inside lock and outer side lock, catching groove with it is interior
Side lock matches, and outer side lock is matched with shell；Positive direction stirs shifting part, so that catching groove is latched with inside and fastens, makes outer side chain
Button overcomes the elastic force of elastic lock to be fastened with shell so as to keep the pressing to tape measure by nose bar lock；Negative direction is stirred
Part makes catching groove be latched with inside and disengages, and makes outer side lock since the elastic force of elastic lock resets, disengages the lock with shell,
To unclamp the pressing to tape measure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721532857.3U CN207779249U (en) | 2017-11-16 | 2017-11-16 | A kind of multifunction digital ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721532857.3U CN207779249U (en) | 2017-11-16 | 2017-11-16 | A kind of multifunction digital ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207779249U true CN207779249U (en) | 2018-08-28 |
Family
ID=63233367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721532857.3U Active CN207779249U (en) | 2017-11-16 | 2017-11-16 | A kind of multifunction digital ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207779249U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677171A (en) * | 2017-11-16 | 2018-02-09 | 东莞市衡准电子有限公司 | A kind of multifunction digital chi |
| CN109163767A (en) * | 2018-11-01 | 2019-01-08 | 徐州市凯诺机械有限公司 | A kind of multifunctional automatic measurement tool |
-
2017
- 2017-11-16 CN CN201721532857.3U patent/CN207779249U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677171A (en) * | 2017-11-16 | 2018-02-09 | 东莞市衡准电子有限公司 | A kind of multifunction digital chi |
| CN109163767A (en) * | 2018-11-01 | 2019-01-08 | 徐州市凯诺机械有限公司 | A kind of multifunctional automatic measurement tool |
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