CN201059939Y - Waterproof type capacitance grid type electronic digital display callipers - Google Patents
Waterproof type capacitance grid type electronic digital display callipers Download PDFInfo
- Publication number
- CN201059939Y CN201059939Y CNU2007200724776U CN200720072477U CN201059939Y CN 201059939 Y CN201059939 Y CN 201059939Y CN U2007200724776 U CNU2007200724776 U CN U2007200724776U CN 200720072477 U CN200720072477 U CN 200720072477U CN 201059939 Y CN201059939 Y CN 201059939Y
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- moving grid
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model discloses a waterproof capacitance-grating type electronic digital display calipers, which comprise a fixed grid (6), a movable grid (5), a slide gauge (7) and a fixed gauge (8). On the basis of the prior waterproof electronic digital display calipers, the surfaces of the movable grid (5) and the fixed grid (6) are mutually contacted, and insulating medium (9) is coated on the contact surface, and annular sealing rubber (4) is arranged around the contact surface, thereby, the moisture-proof problem is solved, the structure is simpler, the production cost is reduced, and the popularization and the application are easier.
Description
Technical field
The present invention relates to a kind of digimatic calipers, particularly a kind of water proof type capacitance-grid type digimatic calipers.
Background technology
The capacitance-grid type digimatic calipers is a kind of the most frequently used digital display dimensional measuring instrument.It has cheap, technology maturation, advantage such as low in energy consumption.But the sensor of capacitive grid type digital display slide calliper rule and digital circuit part is used in a humid environment easily to condense because of the infiltration of water vapor and is formed moisture film and cause electric leakage or short circuit, makes the digital display calliper cisco unity malfunction so that lost efficacy.Yet often run into wet environments such as chilled water in the production scene, this has just limited the usable range of digital display calliper.
All carrying out the research of waterproof digital display calliper at present both at home and abroad, adopt and hold gate technique, take seal approach on the structure, is comparatively common a kind of slide calliper rule type.As the patent of invention " absolute-type capacitive electrode caliper " of Japanese Mitsutoyo K.K., the patent No.: CN96104062.9; The patent of invention of Guanglu Digital Measure-Control Co., Ltd., Guilin " the full waterproof digimatic calipers of straight-line displacement capacitance-grid type ", the patent No.: CN200310110736.6.More than two kinds of sealings all be to take the integral sealing method, structure is comparatively complicated, production cost is higher, the weight of whole chi is heavier.
The utility model content
The technical matters that the utility model solves provides the more simple water proof type capacitance-grid type of a kind of structure digimatic calipers.
For solving the problems of the technologies described above, the utility model water proof type capacitance-grid type digimatic calipers comprises fixed grid, moving grid, slide rule, scale, fixed grid is fixedlyed connected with scale, moving grid is fixedlyed connected with slide rule, aforementioned moving grid contacts with the surface of fixed grid, scribble insulating medium on its surface of contact, and the sealed rubber that ring-type is set on every side of its surface of contact.
The utility model makes moving grid directly contact with the fixed grid surface by at moving grid, fixed grid surface of contact insulating medium being set, thereby minimizing water and impurity enter the chance between moving grid, the fixed grid, has improved the precision of measuring.The method that is different from general digimatic calipers integral sealing, the utility model only are provided with packoff between moving grid, fixed grid, simplify the structure, and have reduced manufacturing cost.
Preferably, described moving grid and sealed rubber all are arranged on the moving grid printed panel, and sealed rubber be arranged on moving grid around.
Preferably, described moving grid is a rectangle, and the annular seal rubber also is a rectangle, and preferably, the moving grid printed panel is provided with rectangular recess, and sealed rubber embeds in the groove of moving grid.
Preferably, sealed rubber slightly exceeds the surface of moving grid.
Preferably, be provided with case in the moving grid outside, the two ends of case are provided with and the contacted waterproof rubber in fixed grid surface.
Preferably, the two ends of case are provided with groove, and described waterproof rubber is arranged in the groove.
Preferably, the waterproof rubber is provided with spring, make the waterproof rubber be close to fixed grid, water and impurity with the overwhelming majority when moving grid that is fixed together with slide rule is moved are blocked in outside the case, stop and enter between moving grid and the fixed grid, thereby play the waterproof action in early stage, the double-layer seal device makes sealing effectiveness better.
Preferably, case is connected by screw retention with slide rule.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is the front view of the moving grid printed panel of the utility model water proof type capacitance-grid type digimatic calipers.
Fig. 2 is the upward view of Fig. 1.
Fig. 3 is the longitudinal sectional view of the utility model water proof type capacitance-grid type digimatic calipers.
Fig. 4 is the transverse sectional view of the utility model water proof type capacitance-grid type digimatic calipers.
Embodiment
Water proof type capacitance-grid type digimatic calipers comprises slide rule 7, scale 8, fixed grid 6 is fixedlyed connected with scale 8, moving grid 5 is arranged on the moving grid printed panel 3, moving grid is a rectangle, the annular seal rubber also is a rectangle, the groove of rectangle is set around the moving grid 5 on moving grid printed panel 3, sealed rubber 4 is set in groove, moving grid printed panel 3 is fixedlyed connected with slide rule 7.
Scribble insulating medium 9 on the moving grid 5, moving grid 5 contacts with the surface of fixed grid 6, and sealed rubber 4 slightly exceeds the surface of moving grid 5, and contacts with the surface of fixed grid 6.By sealed rubber 4 can block water and impurity enter between moving grid and the fixed grid.
Be provided with case 1 in the moving grid outside, case 1 is fixedlyed connected by screw 11 with slide rule 7.The two ends of case 1 are provided with groove, and waterproof rubber 2 is arranged in the groove, and waterproof rubber 2 is provided with spring 10, make the waterproof rubber be close to fixed grid.
When slide rule 7 was mobile on scale 8, the waterproof rubber 2 on the case 1 that is fixed together with slide rule 7 was blocked in the water and the impurity of the overwhelming majority outside the case, and then stoped and enter between moving grid and the fixed grid, thereby played the waterproof action in early stage; Scribble insulating medium 9 on the moving grid 5, moving grid 5 closely contacts with the surface of fixed grid 6, and sealed rubber 4 slightly exceeds the surface of moving grid 5, and contacts with the surface of fixed grid 6, reduced water and impurity and entered chance between moving grid, the fixed grid, this double-layer seal device makes sealing effectiveness better.
Claims (8)
1. water proof type capacitance-grid type digimatic calipers, comprise slide rule (7), scale (8), the fixed grid (6) of fixedlying connected, the moving grid (5) of fixedlying connected with scale (8) with slide rule (7), it is characterized in that: aforementioned moving grid (5) contacts with the surface of fixed grid (6), scribble insulating medium (9) on its surface of contact, and the sealed rubber (4) that ring-type is set on every side of its surface of contact.
2. water proof type capacitance-grid type digimatic calipers according to claim 1 is characterized in that: described moving grid (5) and sealed rubber (4) all are arranged on the moving grid printed panel (3), and sealed rubber (4) be arranged on moving grid (5) around.
3. water proof type capacitance-grid type digimatic calipers according to claim 2, it is characterized in that: described moving grid (5) is a rectangle, annular seal rubber (4) also is a rectangle, and moving grid printed panel (3) is provided with rectangular recess, and sealed rubber (4) embeds in the groove of moving grid (5).
4. water proof type capacitance-grid type digimatic calipers according to claim 3 is characterized in that: sealed rubber (4) slightly exceeds the surface of moving grid (5).
5. water proof type capacitance-grid type digimatic calipers according to claim 1 is characterized in that: be provided with case (1) in the moving grid outside, the two ends of case (1) are provided with and the surperficial contacted waterproof rubber of fixed grid (6) (2).
6. water proof type capacitance-grid type digimatic calipers according to claim 5 is characterized in that: the two ends of case (1) are provided with groove, and described waterproof rubber (2) is arranged in the groove.
7. water proof type capacitance-grid type digimatic calipers according to claim 6 is characterized in that: waterproof rubber (2) is provided with spring (10).
8. water proof type capacitance-grid type digimatic calipers according to claim 5 is characterized in that: case (1) is fixedlyed connected by screw (11) with slide rule (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200724776U CN201059939Y (en) | 2007-07-13 | 2007-07-13 | Waterproof type capacitance grid type electronic digital display callipers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200724776U CN201059939Y (en) | 2007-07-13 | 2007-07-13 | Waterproof type capacitance grid type electronic digital display callipers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201059939Y true CN201059939Y (en) | 2008-05-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200724776U Expired - Fee Related CN201059939Y (en) | 2007-07-13 | 2007-07-13 | Waterproof type capacitance grid type electronic digital display callipers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201059939Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997831A (en) * | 2012-12-13 | 2013-03-27 | 广州市特种机电设备检测研究院 | Device and method for measuring engagement lengths of locking elements of elevator doors |
| CN104148987A (en) * | 2014-01-03 | 2014-11-19 | 高德安 | Numerical display sizing instrument of cutting machine |
-
2007
- 2007-07-13 CN CNU2007200724776U patent/CN201059939Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997831A (en) * | 2012-12-13 | 2013-03-27 | 广州市特种机电设备检测研究院 | Device and method for measuring engagement lengths of locking elements of elevator doors |
| CN104148987A (en) * | 2014-01-03 | 2014-11-19 | 高德安 | Numerical display sizing instrument of cutting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080514 Termination date: 20120713 |