CN207922976U - Magnetic grid liquid resistant digital caliper - Google Patents
Magnetic grid liquid resistant digital caliper Download PDFInfo
- Publication number
- CN207922976U CN207922976U CN201721483218.2U CN201721483218U CN207922976U CN 207922976 U CN207922976 U CN 207922976U CN 201721483218 U CN201721483218 U CN 201721483218U CN 207922976 U CN207922976 U CN 207922976U
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- China
- Prior art keywords
- magnetic
- scale
- ruler
- wall
- circuit board
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- 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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- Length-Measuring Instruments Using Mechanical Means (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses magnetic grid liquid resistant digital calipers, including ruler base, the outer wall of the ruler base is socketed with ruler frame, the top side of the ruler base offers downwards inner groovy, and magnetic scale is bonded on the inner wall of inner groovy, and the top of the ruler base offers external groove, and the inside of external groove is bonded with scale film, the scale film is completely covered on magnetic scale top, and the top of the magnetic scale is equipped with movable grid module circuit board, and the top of the movable grid module circuit board is equipped with is connected with display by winding displacement.The design that the utility model passes through NS magnetic poles so that under the action of a magnetic force, the distance that vernier component precisely moves is detected by the variation of magnetic field intensity, so that the measurement range of the utility model increases, high resolution.Detection of magnetic principles itself has water-proof function, and sealing ring can not be influenced with protection circuit plates component by factors such as water, and then the utility model will not be influenced by water, greasy dirt and dust etc., has real water-proof function.
Description
Technical field
The utility model is related to slide calliper rule technical field more particularly to magnetic grid liquid resistant digital calipers.
Background technology
Vernier caliper be it is a kind of measurement length, internal-and external diameter, depth measurer.Vernier caliper is by ruler base and is attached to energy on ruler base
Vernier two parts of sliding are constituted, and have two secondary movable measuring jaws on the ruler base and vernier of vernier caliper, are internal measure-hand respectively and outer
Measuring claw, internal measure-hand are to utilize commonly used to measure length and outer diameter, vernier caliper commonly used to measure internal diameter, exterior measuring measuring jaw
The difference of the line-spacing in ruling span and vernier scale on ruler base reads fractional part.Existing vernier caliper measurement range is small,
Measurement accuracy is limited, is easy by influences such as water, greasy dirt and dusts, and do not have water-proof function.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the magnetic grid Waterproof digital display card proposed
Ruler.
To achieve the goals above, the utility model uses following technical solution：
The outer wall of magnetic grid liquid resistant digital caliper, including ruler base, the ruler base is socketed with ruler frame, the top side of the ruler base
Inner groovy is offered downwards, and is bonded with magnetic scale on the inner wall of inner groovy, the top of the ruler base offers external groove, and outer recessed
The inside of slot is bonded with scale film, and the scale film is completely covered on magnetic scale top, and the top of the magnetic scale is equipped with moving grid
Module board, the top of the movable grid module circuit board is equipped with is connected with display, the top of the display by winding displacement
Equipped with case, and the bottom interior wall of case is equipped with sealing ring, and described sealing ring one side outer wall is set there are two the button of protrusion, described
The top outer wall of case offers perforation corresponding with button.
Preferably, the magnetic scale and ruler base composition are main scale component, and the length of magnetic scale and the length of ruler base match.
Preferably, the case, sealing ring, movable grid module circuit board, display and ruler frame form vernier component, wherein dynamic
Grid module circuit board include magnetic sensor, signal processing circuit, microprocessor, output circuit, power management chip, battery with
And liquid crystal display, and signal processing circuit, microprocessor, USB interface, the equal welding of power management chip is in movable grid module circuit
On plate.
Preferably, the magnetic signal grizzly bar filled with more parallel rows arrangement on the magnetic scale, and often row magnetic signal grizzly bar
Arrange NS magnetic pole of different or magnetic scale the upper surface filled with regularity.
Preferably, the magnetic sensor is welded on the outer wall of grid module circuit board, and magnetic sensor and scale are thin
Film is parallel or vertical.
Preferably, the inner wall of the USB interface, which is connected through the hinge, waterproof cover.
The beneficial effects of the utility model are：The utility model is simple in structure, case, sealing ring, movable grid module circuit board,
Display and ruler frame fit together to form vernier component, magnetic scale and the ruler base composition ruler base component for being covered with scale film, when
Vernier component when being slided on ruler base component, as ruler frame is kept fixed gap relative rectilinear on ruler base transport by magnetic sensor
It is dynamic, you can the size of measured object to be shown, in addition, passing through the design of NS magnetic poles so that under the action of a magnetic force, pass through magnetic
Field intensity changes to detect the distance that vernier component precisely moves, so that the measurement range of the utility model increases, point
Resolution is high.Detection of magnetic principles itself has water-proof function, and sealing ring and USB waterproof covers can be with protection circuit plates components not
It is influenced by factors such as water, and then the utility model will not be influenced by water, greasy dirt and dust etc., there is real water-proof function.
Description of the drawings
Fig. 1 be the utility model proposes magnetic grid liquid resistant digital caliper structural schematic diagram；
Fig. 2 be the utility model proposes magnetic grid liquid resistant digital caliper local mounting structure schematic diagram.
In figure：1 ruler frame, 2 ruler bases, 3 magnetic scales, 4 scale films, 5 movable grid module circuit boards, 6 displays, 7 cases, 8 sealings
Circle.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, the outer wall of magnetic grid liquid resistant digital caliper, including ruler base 2, ruler base 2 is socketed with ruler frame 1, the top of ruler base 2
End side offers downwards inner groovy, and magnetic scale 3 is bonded on the inner wall of inner groovy, and the top of ruler base 2 offers external groove, and
The inside of external groove is bonded with scale film 4, and scale film 4 is completely covered on 3 top of magnetic scale, and the top of magnetic scale 3 is equipped with moving grid
Module board 5, the top of movable grid module circuit board 5 is equipped with is connected with display 6 by winding displacement, and the top of display 6 is equipped with
Case 7, and the bottom interior wall of case 7 is equipped with sealing ring 8,8 one side outer wall of sealing ring is set there are two the button of protrusion, case 7
Top outer wall offers perforation corresponding with button.
In the utility model, magnetic scale 3 and the composition of ruler base 2 are main scale component, and the length phase of the length of magnetic scale 3 and ruler base 2
Matching, case 7, sealing ring 8, movable grid module circuit board 5, display 6 and ruler frame 1 form vernier component, wherein movable grid module electricity
Road plate 5 includes magnetic sensor, signal processing circuit, microprocessor, output circuit, power management chip, battery and liquid crystal
Display, and signal processing circuit, microprocessor, USB interface, the equal welding of power management chip on movable grid module circuit board 5,
Magnetic signal grizzly bar filled with more parallel rows arrangement on magnetic scale 3, and every row magnetic signal grizzly bar arrangement is different or magnetic scale
NS magnetic pole of 3 upper surface filled with regularity, the magnetic sensor are welded on the outer wall of grid module circuit board 5, and magnetic
Sensor is parallel or vertical with scale film 4, and the inner wall of USB interface is connected through the hinge and has waterproof cover.
Operation principle：Case 7, sealing ring 8, movable grid module circuit board 5, display 6 and ruler frame 1 fit together to form trip
Ruler component, magnetic scale 3 and the ruler base 2 for being covered with scale film 4 form main scale component, when vernier component slides on ruler base 2, magnetic
Property sensor is kept fixed gap linear relative movement with ruler frame 1 on ruler base 2, you can show the size of measured object,
Made under the action of a magnetic force by the design of NS magnetic poles, is precisely moved by the variation of magnetic field intensity to detect vernier component
Distance.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. magnetic grid liquid resistant digital caliper, including ruler base (2), which is characterized in that the outer wall of the ruler base (2) is socketed with ruler frame (1),
The top side of the ruler base (2) offers downwards inner groovy, and magnetic scale (3) is bonded on the inner wall of inner groovy, the ruler base
(2) top offers external groove, and the inside of external groove is bonded with scale film (4), and the scale film (4) is completely covered
On magnetic scale (3) top, the top of the magnetic scale (3) is equipped with movable grid module circuit board (5), the movable grid module circuit board (5)
Top is equipped with is connected with display (6) by winding displacement, and the top of the display (6) is equipped with case (7), and the bottom of case (7)
Portion's inner wall be equipped with sealing ring (8), described sealing ring (8) one side outer wall set there are two protrusion button, the top of the case (7)
Outer wall offers perforation corresponding with button.
2. magnetic grid liquid resistant digital caliper according to claim 1, which is characterized in that the magnetic scale (3) and ruler base (2) composition
For main scale component, and the length of magnetic scale (3) and the length of ruler base (2) match.
3. magnetic grid liquid resistant digital caliper according to claim 1, which is characterized in that the case (7), is moved sealing ring (8)
Grid module circuit board (5), display (6) and ruler frame (1) form vernier component, and wherein movable grid module circuit board (5) includes magnetism
Sensor, signal processing circuit, microprocessor, output circuit, power management chip, battery and liquid crystal display, and signal
Processing circuit, microprocessor, USB interface, the equal welding of power management chip is on movable grid module circuit board (5).
4. magnetic grid liquid resistant digital caliper according to claim 1, which is characterized in that flat filled with multirow on the magnetic scale (3)
The magnetic signal grizzly bar of row arrangement, and every row magnetic signal grizzly bar arrangement is different or the upper surface of magnetic scale (3) is filled with rule
The NS magnetic poles of rule property.
5. magnetic grid liquid resistant digital caliper according to claim 3, which is characterized in that the magnetic sensor is welded on grid mould
On the outer wall of block circuit board (5), and magnetic sensor is parallel or vertical with scale film (4).
6. magnetic grid liquid resistant digital caliper according to claim 3, which is characterized in that the inner wall of the USB interface passes through hinge
Chain link has waterproof cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721483218.2U CN207922976U (en) | 2017-11-09 | 2017-11-09 | Magnetic grid liquid resistant digital caliper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721483218.2U CN207922976U (en) | 2017-11-09 | 2017-11-09 | Magnetic grid liquid resistant digital caliper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207922976U true CN207922976U (en) | 2018-09-28 |
Family
ID=63613109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721483218.2U Active CN207922976U (en) | 2017-11-09 | 2017-11-09 | Magnetic grid liquid resistant digital caliper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207922976U (en) |
-
2017
- 2017-11-09 CN CN201721483218.2U patent/CN207922976U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190814 Address after: 338004 No. 1368 Guangming Road, Xinyu High-tech Development Zone, Jiangxi Province Patentee after: JIANGXI CENTRAL CONTROL PRECISION SCIENCE AND TECHNOLOGY CO., LTD. Address before: 338004 Guangming North Road Iron and Steel Industrial Park, Xinyu Development Zone, Jiangxi Province Patentee before: Jiangxi Kai Da Da Precision Instrument Co., Ltd. |
|
| TR01 | Transfer of patent right |