CN206959883U - Pointer instrument - Google Patents
Pointer instrument Download PDFInfo
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- CN206959883U CN206959883U CN201720696954.XU CN201720696954U CN206959883U CN 206959883 U CN206959883 U CN 206959883U CN 201720696954 U CN201720696954 U CN 201720696954U CN 206959883 U CN206959883 U CN 206959883U
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- pointer
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- dial plate
- terminated
- start line
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Abstract
The utility model provides a kind of pointer instrument, including：Dial plate, pointer and position-limit mechanism；Pointer is arranged on dial plate, and can be rotated along the start line on dial plate toward terminated line direction；Position-limit mechanism is arranged at terminated line, for preventing pointer from being rotated toward start line direction when indicators turn is to terminated line or more than terminated line, by setting position-limit mechanism on dial plate, so that pointer from start line to terminated line rotate and by terminated line after, position-limit mechanism prevents pointer from being rotated to start line, staff's instrument deficient is prompted, prevents from misreading data.
Description
Technical field
It the utility model is related to instrumentation manufacturing technology field, more particularly to a kind of pointer instrument.
Background technology
Instrument is the common equipment of measurement and monitoring, and can intuitively obtain pressure, electric current, temperature etc. by instrument believes
Breath, instrument are divided into pointer instrument and digital instrument, and wherein pointer instrument is widely applied in various equipment.
In the prior art, pointer instrument is generally made up of housing, dial plate, pointer, drive device and back-moving spring, table
Disk is arranged on housing, and drive device is arranged on enclosure interior, and drive device has a drive shaft, and pointer is fixed on drive shaft
One end, and being connected away from the side of housing, the other end of drive shaft with back-moving spring for dial plate is arranged on, the letter such as voltage, hydraulic pressure
Number effect on the drive means, promote drive device driving drive shaft turns simultaneously compression reseting spring, and then drive pointer turn
Dynamic, numerical value corresponding to display, when signal intensity reduces, back-moving spring promotes drive shaft and pointer to be rotated to opposite direction, realizes
The deflection and reset of pointer.
When the maximum scale in throw of pointer to dial plate, the elastic deformation of back-moving spring also reaches capacity, if now believing
Number intensity continues to increase, and pointer may proceed to be deflected over maximum scale, and back-moving spring is plastically deformed or damaged therewith, leads
Instrument deficient is caused, the data of display are inaccurate, and staff can not intuitively have found instrument deficient and then misread data.
Utility model content
In view of this, the utility model provides a kind of pointer instrument, is lost with solving pointer instrument because of no to scale
After effect, it is not easy to be found and cause the technical problem for misreading data.
The utility model provides a kind of pointer instrument, including：Dial plate, pointer and position-limit mechanism；
The pointer is arranged on the dial plate, and can be rotated along the start line on dial plate toward terminated line direction；
The position-limit mechanism is arranged at the terminated line, for the terminated line or exceeding when the indicators turn
The pointer is prevented to be rotated toward start line direction during the terminated line.
Pointer instrument as described above, it is preferable that the position-limit mechanism includes：Inclined-plane and confined planes；
The confined planes are arranged at the terminated line, and protrude from the surface of the dial plate, for stopping the pointer
Rotated toward the start line direction；
The inclined-plane extends from the top of the confined planes toward the start line direction, for guiding the pointer described in
Moved toward terminated line on inclined-plane.
Pointer instrument as described above, it is preferable that
The confined planes are perpendicular to the surface of the dial plate；Or
The bottom of the confined planes is compared to the top closer to the start line.
Pointer instrument as described above, it is preferable that the position-limit mechanism includes：Sensor, catch and control device；
The control device is connected with the sensor and catch, for detecting the pointer from institute when the sensor
When stating start line and turning to terminated line, control the catch to be moved to from initial position and stop the pointer toward the start line side
To the position of rotation.
Pointer instrument as described above, it is preferable that formed on the dial plate it is fluted, in the initial position, institute
Catch is stated to be accommodated in the groove.
Pointer instrument as described above, it is preferable that the control device includes：Controller and telescoping mechanism；
The controller is electrically connected with the sensor and telescoping mechanism, and the telescoping mechanism is connected with the catch；
When the sensor detects that the pointer turns to the terminated line from the start line, the controller control
Make the telescoping mechanism and the catch is stretched out into the groove, to stop that the pointer rotates toward the start line direction.
Pointer instrument as described above, it is preferable that be also electrically connected including alarm, the alarm with the control device
Connect, for detecting that the pointer turns to the terminated line alarm from the start line when the sensor.
Pointer instrument as described above, it is preferable that the alarm is buzzer and/or indicator lamp.
Pointer instrument as described above, it is preferable that also including translucent cover, the translucent cover is located at the dial plate and referred to
Outside pin.
Pointer instrument as described above, it is preferable that the position that the translucent cover corresponds to the position-limit mechanism offers tune
Save window.
Pointer instrument provided by the utility model, by setting position-limit mechanism on dial plate so that pointer is by start line
To terminated line rotate and by terminated line after, position-limit mechanism prevent pointer to start line rotate, prompt staff's instrument deficient,
Prevent from misreading data.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are
Some embodiments of the utility model, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the pointer instrument that the embodiment of the utility model one provides；
Fig. 2 is the schematic diagram that the pointer instrument catch that the embodiment of the utility model one provides stretches out；
Fig. 3 is the schematic diagram that the pointer instrument catch that the embodiment of the utility model one provides is accommodated in groove.
Description of reference numerals：
10th, dial plate；101st, start line；
102nd, terminated line；11st, pointer；
12nd, inclined-plane；13rd, confined planes；
14th, groove；15th, sensor；
16th, catch；17th, alarm.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.
Fig. 1 is the structural representation for the pointer instrument that the embodiment of the utility model one provides.As shown in figure 1, this implementation
Example body supplies a kind of pointer instrument, including：Dial plate 10, pointer 11 and position-limit mechanism；Pointer 11 is arranged on dial plate 10, and can edge
Start line 101 on dial plate 10 rotates toward the direction of terminated line 102；Position-limit mechanism is arranged at terminated line 102, for when pointer 11
Turn to terminated line 102 or prevent pointer 11 from being rotated toward the direction of start line 101 during more than terminated line 102.
Specifically, the pointer instrument that the present embodiment provides can also include housing, and housing has an opening, dial plate 10
Opening is covered in, enclosure interior is provided with drive device, and drive device has a drive shaft, and one end of drive shaft is connected with reset
Spring, the other end of drive shaft reach dial plate 10 away from the side of housing and are fixedly connected with pointer 11；It is distributed on dial plate 10
There is graduation mark, graduation mark includes start line 101, terminated line 102 and the quarter being distributed between start line 101 and terminated line 102
Line；Drive device produces driving force after receiving signal to be detected, promotes drive shaft to drive pointer 11 from start line 101 to termination
Line 102 rotates, and shows the numerical value of now testing data, meanwhile, drive shaft compression reseting spring, when driving force reduces or disappears
When, back-moving spring can be such that drive shaft rotates in the opposite direction, and then pointer 11 is turned round or is resetted to start line 101.
Position-limit mechanism can be that any direction for allowing pointer 11 from start line 101 to terminated line 102 rotates, and hinder
The device that only direction of the pointer 11 from terminated line 102 to start line 101 rotates, such as：Position-limit mechanism is whole to be arranged on dial plate 10
The only mechanism of the ratchet at line 102 and click-fit, with ensure ratchet can only single direction rotation, i.e., pointer 11 is by start line 101
Rotated to the direction of terminated line 102 and during by terminated line 102, pointer 11 stirs ratchet rotation；When back-moving spring drive finger
Pin 11 from terminated line 102 to start line 101 rotate when, ratchet can not be rotated by ratchet limitation, and then pointer 11 is stopped in end
Only line 102 deviates from the side of start line 101.
The pointer instrument that the present embodiment provides, by setting position-limit mechanism on dial plate 10 so that pointer 11 is by originating
Line 101 rotated to terminated line 102 and by terminated line 102 after, prevent pointer 11 rotated to start line 101, prompt staff
Instrument deficient, prevent from misreading data.
With continued reference to Fig. 1, alternatively, position-limit mechanism includes：Inclined-plane 12 and confined planes 13；Confined planes 13 are arranged on terminated line
At 102, and the surface of dial plate 10 is protruded from, for stopping that pointer 11 rotates toward the direction of start line 101；Inclined-plane 12 is from confined planes 13
Top toward the direction of start line 101 extend, for guiding pointer 11 to be moved along inclined-plane 12 toward terminated line 102.
Specifically, confined planes 13 below can be conllinear with terminated line or set close to terminated line, such as shown in Figure 1
Confined planes 13 are arranged on to terminated line toward on the extended line at dial plate center, certainly, confined planes can also be in the circumference side of dial plate
It is arranged at intervals upwards between terminated line, for example, terminated line can be located at the position of about 30 degree of dial plate lower right, and confined planes
Then it is located at the position of about 33 degree of dial plate lower right.The one end on inclined-plane 12 is concordant away from the top of dial plate 10 with confined planes 13, tiltedly
Face 12 contacts to the direction extension other end of start line 101 with dial plate 10, to ensure pointer 11 in the mistake rotated to terminated line 102
Cheng Zhong, after pointer 11 contacts with inclined-plane 12, by the guiding on inclined-plane 12, pointer 11 can move along inclined-plane 12 to terminated line 102,
After reaching the position that inclined-plane 12 intersects with confined planes 13, pointer 11 falls into the side that confined planes 13 deviate from terminated line 102, confined planes
13 prevention pointers 11 rotate to start line 101.
Preferably, position-limit mechanism can be the limited block for having confined planes 13 and inclined-plane 12, for example, limited block can be in three
Prism-shaped, confined planes 13 and inclined-plane 12 are two adjacent sides of triangular prism, or limited block is in other any shapes, only
Ensure that pointer 11 can rotate along inclined-plane 12 to confined planes 13, after reaching the position that confined planes 13 join with inclined-plane 12, pointer 11
The side that confined planes 13 deviate from terminated line 102 is fallen into, confined planes 13 prevent pointer 11 from being rotated to start line 101；Limited block
It can be integrally formed with dial plate 10 or be connected by fasteners such as bolts with dial plate 10.
Specifically, confined planes 13 are perpendicular to the surface of dial plate 10；Or the bottom of confined planes 13 compared to top closer to
Start line 101.Plane where the vertical dial plate 10 of confined planes 13 so that pointer 11 is after the stop of the face that is limited 13 in back-moving spring
In the presence of be not easy to cross confined planes 13 and rotated to start line 101；Or the top of confined planes 13 is concordant with terminated line 102, limit
Plane 13 and the bottom that dial plate 10 contacts than top closer to start line 101, prevent pointer 11 stop in the face that is limited 13 after edge
Confined planes 13 move upwards, enhance blocking effect.
Fig. 2 is the schematic diagram that the pointer instrument catch that the embodiment of the utility model one provides stretches out, and Fig. 3 is that this practicality is new
The pointer instrument catch that the embodiment of type one provides is accommodated in the schematic diagram in groove 14, refer to Fig. 2,3.Specifically, it is spacing
Mechanism includes：Sensor 15, catch 16 and control device；Control device is connected with sensor 15 and catch 16, for when biography
Sensor 15 detect pointer 11 from start line 101 turn to terminated line 102 when, control catch 16 move to stop from initial position
The position that pointer 11 rotates toward the direction of start line 101.
Preferably, sensor 15 is arranged on terminated line 102 away from the side of start line 101 and close to terminated line 102, senses
Device 15 can be that infrared sensor, ultrasonic sensor etc. are able to detect that pointer 11 passes through, and when pointer 11 passes through to
Control device sends the device of signal；When direction of the pointer 11 from start line 101 to terminated line 102 rotates and turns over terminated line
When 102, sensor 15 sends signal to control device, and control device drives catch 16 after receiving the signal from sensor 15
The position for stopping that pointer 11 rotates to start line 101 is moved to from initial position.Specifically, initial position can be the edge of catch 16
It is retracted to parallel to the direction of dial plate 10 and does not stop that pointer 11 turns to the position of terminated line 102, and stops pointer 11 to starting
Line 101 rotate position can be in the presence of control device catch 16 rotate or reach can stop pointer 11 to rise
The position that initial line 101 rotates.
Preferably, fluted 14 are formed on dial plate 10, in initial position, catch 16 is accommodated in groove 14.In dial plate
Terminated line 102 forms groove 14 towards the side of start line 101 on 10, and catch 16 is retracted in groove 14 during initial position, is made
Obtain pointer 11 and pass through terminated line 102 when can be rotated from start line 101 to terminated line 102, carry out autobiography when control device receives
After the signal of sensor 15, driving catch 16 is stretched out by groove 14, prevents pointer 11 from being rotated to start line 101.
Preferably, control device includes：Controller and telescoping mechanism；Controller is electrically connected with sensor 15 and telescoping mechanism
Connect, telescoping mechanism is connected with catch 16；When sensor 15 detects that pointer 11 turns to terminated line 102 from start line 101, control
Catch 16 is stretched out groove 14 by device control telescoping mechanism processed, to stop that pointer 11 rotates toward the direction of start line 101.
Specifically, controller can include power supply and single-chip microcomputer sensor 15 and telescoping mechanism and monolithic mechatronics, electricity
Source powers for single-chip microcomputer, and single-chip microcomputer is used for receiving signal and driving telescoping mechanism motion from sensor 15；Telescoping mechanism
Motor and leading screw can be included, wherein, leading screw is formed from screw rod and with the nut with screw rod, and main shaft and the screw rod of motor are consolidated
Fixed connection, catch 16 are fixedly connected with nut；Motor rotates after controller receives the signal from sensor 15, motor
Drive screw rod to rotate and then promote nut to be moved towards dial plate 10, nut, which drives catch 16 and it is stretched out dial plate 10, stops pointer
11 rotate to start line 101；Telescoping mechanism can also be that other can promote catch 16 by groove 14 under the driving of controller
Stretch out and stop the mechanism of pointer 11.
Preferably, the formula instrument of pointer 11 that the present embodiment provides also includes alarm 17, alarm 17 and control device electricity
Connection, for detecting that pointer 11 turns to the alarm of terminated line 102 from start line 101 when sensor 15.Alarm 17 and control
The controller electrical connection of device processed, direction of the pointer 11 from start line 101 to terminated line 102 rotate and pass through terminated line 102
When sensor 15 transmit signals to controller, controller control alarm 17 sends alarm, so that staff can be timely
It was found that and change the instrument for sending alarm.
Preferably, alarm 17 is buzzer and/or indicator lamp.So as in pointer 11 from start line 101 to terminated line 102
Direction rotate and by terminated line 102 when, controller can drive buzzer and/or indicator lamp sends sound and/or lamp
The alarm of light, so that staff can intuitively have found.
Specifically, the formula instrument of pointer 11 that the present embodiment provides also includes translucent cover, and translucent cover is located at dial plate 10 and referred to
Outside pin 11.Translucent cover is formed for transparent glass or other transparent materials are formed, and translucent cover is fixed on dial plate 10 and pointer
11 outside, so as to observe pointer 11 by translucent cover, and prevent the article of gauge external from disturbing pointer 11 to rotate.
Preferably, translucent cover corresponds to the position of position-limit mechanism and offers regulation window.Window is adjusted to be used in staff
It was found that after instrument deficient and replacing, again during the instrument of maintenance or adjustment failure, depart from pointer 11 by adjusting window
The limitation of position-limit mechanism.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
- A kind of 1. pointer instrument, it is characterised in that including：Dial plate, pointer and position-limit mechanism；The pointer is arranged on the dial plate, and can be rotated along the start line on dial plate toward terminated line direction；The position-limit mechanism is arranged at the terminated line, for when the indicators turn is to the terminated line or more than described The pointer is prevented to be rotated toward start line direction during terminated line.
- 2. pointer instrument according to claim 1, it is characterised in that the position-limit mechanism includes：Inclined-plane and confined planes；The confined planes are arranged at the terminated line, and protrude from the surface of the dial plate, for stopping the pointer toward institute State the rotation of start line direction；The inclined-plane extends from the top of the confined planes toward the start line direction, for guiding the pointer along the inclined-plane Moved toward terminated line.
- 3. pointer instrument according to claim 2, it is characterised in thatThe confined planes are perpendicular to the surface of the dial plate；OrThe bottom of the confined planes is compared to the top closer to the start line.
- 4. pointer instrument according to claim 1, it is characterised in that the position-limit mechanism includes：Sensor, catch with And control device；The control device is connected with the sensor and catch, for detecting the pointer from described when the sensor When initial line turns to terminated line, control the catch to be moved to from initial position and stop that the pointer turns toward the start line direction Dynamic position.
- 5. pointer instrument according to claim 4, it is characterised in that formed on the dial plate it is fluted, it is described just During beginning position, the catch is accommodated in the groove.
- 6. pointer instrument according to claim 5, it is characterised in that the control device includes：Controller and flexible Mechanism；The controller is electrically connected with the sensor and telescoping mechanism, and the telescoping mechanism is connected with the catch；When the sensor detects that the pointer turns to the terminated line from the start line, the controller controls institute State telescoping mechanism and the catch is stretched out into the groove, to stop that the pointer rotates toward the start line direction.
- 7. pointer instrument according to claim 6, it is characterised in that also including alarm, the alarm with it is described Control device electrically connects, for detecting that the pointer turns to the terminated line Times from the start line when the sensor It is alert.
- 8. pointer instrument according to claim 7, it is characterised in that the alarm is buzzer and/or indicator lamp.
- 9. according to the pointer instrument described in claim any one of 1-8, it is characterised in that described transparent also including translucent cover It is located at outside the dial plate and pointer.
- 10. pointer instrument according to claim 9, it is characterised in that the translucent cover corresponds to the position-limit mechanism Position offers regulation window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720696954.XU CN206959883U (en) | 2017-06-15 | 2017-06-15 | Pointer instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720696954.XU CN206959883U (en) | 2017-06-15 | 2017-06-15 | Pointer instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206959883U true CN206959883U (en) | 2018-02-02 |
Family
ID=61380181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720696954.XU Active CN206959883U (en) | 2017-06-15 | 2017-06-15 | Pointer instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206959883U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058513A (en) * | 2019-05-28 | 2019-07-26 | 酷罗米(深圳)科技有限公司 | A kind of smartwatch that can automatically correct pointer deviation and its bearing calibration |
| CN114852240A (en) * | 2022-07-11 | 2022-08-05 | 山东天空之眼智能科技有限公司 | Low-power-consumption environment-friendly electric bicycle with intelligent navigation system |
-
2017
- 2017-06-15 CN CN201720696954.XU patent/CN206959883U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058513A (en) * | 2019-05-28 | 2019-07-26 | 酷罗米(深圳)科技有限公司 | A kind of smartwatch that can automatically correct pointer deviation and its bearing calibration |
| CN114852240A (en) * | 2022-07-11 | 2022-08-05 | 山东天空之眼智能科技有限公司 | Low-power-consumption environment-friendly electric bicycle with intelligent navigation system |
| CN114852240B (en) * | 2022-07-11 | 2022-09-23 | 山东天空之眼智能科技有限公司 | Low-power-consumption environment-friendly electric bicycle with intelligent navigation system |
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