CN201503242U - Damp-proof digital-display caliper - Google Patents
Damp-proof digital-display caliper Download PDFInfo
- Publication number
- CN201503242U CN201503242U CN2009200769085U CN200920076908U CN201503242U CN 201503242 U CN201503242 U CN 201503242U CN 2009200769085 U CN2009200769085 U CN 2009200769085U CN 200920076908 U CN200920076908 U CN 200920076908U CN 201503242 U CN201503242 U CN 201503242U
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- case
- circuit board
- rubber layer
- button
- digital display
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Abstract
The utility model discloses a damp-proof digital-display caliper which comprises a caliper body, a frame, a damp-proof circuit board, a liquid crystal display panel, a transparent lens, a housing, a key, a keying circuit plate and a battery, wherein the damp-proof circuit board is fixedly connected with the frame; and the key is embedded in the keystoke hole on the side wall of the housing. The damp-proof circuit board is characterized in that the digital-display caliper further comprises a water-resistant rubber layer arranged between the circuit board and the liquid crystal display panel; an accommodating cavity is arranged at the upper part of the water-resistant rubber layer; the liquid crystal display panel is embedded in the accommodating cavity of the water-resistant rubber layer; and the liquid crystal display panel and the transparent lens are sealed in the housing through the water-resistant rubber layer. The utility model has the advantages of good sealing performance, obvious damp-proof effect, convenient installation and the like, and can ensure the normal work of the digital-display caliper under humid hostile circumstances.
Description
Technical field
The utility model belongs to the surveying instrument technical field, relates in particular to a kind of digimatic calipers, particularly a kind of moistureproof digital display calliper.
Background technology
Digimatic calipers Instrument measuring precision height, reading are directly perceived, easy to use, have become one of conventional indispensable instrument of departments such as machining, metrology and measurement, online detection, the examination and test of products.But the sensor of digital display calliper and digital circuit part are used in a humid environment, condense easily and form moisture film and cause electric leakage or short circuit because of the infiltration of water vapor, make the digital display calliper cisco unity malfunction consequently lose efficacy, thereby limited its usable range, especially be station such as turner, the grinder etc. of liquid coolant at some with the aqueous solution emulsifying agent, the use of digital display calliper is restricted especially.
Present existing waterproof digital display calliper mainly adopts in printed circuit board surface and applies insulating waterproof layer, though can play certain waterproof moisture-proof effect, in moist rugged environment, can not guarantee effectively that still moisture effect, water resistance are relatively poor.
In addition, existing traditional digital display calliper battery location is between circuit board and LCD panel, and the one-piece construction of this structure case is abundant not attractive in appearance.
Therefore, improve the waterproof and dampproof structure of existing digital display calliper, provide a kind of humidity resistance good digital display calliper, and improve existing digital display calliper battery fastening structure, provide a kind of rational in infrastructure, good looking appearance, digital display calliper cost those skilled in the art that display screen is big to press for the technical matters of solution.
Summary of the invention
Technical problem to be solved in the utility model provides the strong moistureproof digital display calliper of a kind of moistureproof and waterproof performance, to overcome defectives such as moisture effect that prior art exists is bad.
The technical scheme of the utility model technical solution problem is as follows:
A kind of moistureproof digital display calliper, it comprises blade, chi frame, moisture-proof circuit board, LCD panel, transparent glasses lens, case, button, button circuit board and battery, described moisture-proof circuit board is fixedlyed connected with the chi frame, button is embedded in the key hole of case sidewall, it is characterized in that, also comprise the water proof rubber layer, described water proof rubber layer is arranged between moisture-proof circuit board and the LCD panel, described water proof rubber layer top is provided with containing cavity, described LCD panel is embedded in water proof rubber layer containing cavity, and described LCD panel and transparent glasses lens are sealed in the case by the water proof rubber layer.
By above disclosed technical scheme as can be known, the utility model is by being provided with the water proof rubber layer between moisture-proof circuit board and LCD panel, and whole LCD panel is embedded in the containing cavity of water proof rubber layer, utilize the water proof rubber layer that transparent glasses lens and LCD panel are sealed in the case, in addition, the rubber waterproof layer not only can play the excellent waterproof effect, and can locate for LCD panel, supported LCD panel, it is firm that it is installed, and plays the comfort cushioning effect.
The utlity model has advantages such as good seal performance, moisture effect be remarkable, easy for installation, can guarantee digital display calliper operate as normal in moist rugged environment.
Description of drawings
Fig. 1 is the moistureproof digital display calliper decomposition texture of a utility model synoptic diagram.
Fig. 2 is a case inner part cross-sectional view among Fig. 1.
Fig. 3 is the decomposition texture synoptic diagram of battery and button installation in the case among Fig. 1.
Fig. 4 assembles the back structural drawing for Fig. 3.
Fig. 5 is the digital display calliper sectional structure chart that illustrates dirt plug position.
Reference numeral is as follows:
1. blade 2. chi frames
3. moisture-proof circuit board 4. LCD panel
5. transparent glasses lens 6. cases
61. show fenestra 62. slots
63. battery mounting groove 64. battery mounting grooves
65. plug groove 7. buttons
8. battery 9. water proof rubber layers
91. bottom 92. frames
10. waterproof nitrile rubber battery overlaps 11. dirt plugs
12. button circuit board 13. battery reeds
14. detachable roller fixator
Embodiment
Below in conjunction with drawings and Examples the utility model is described further.
Shown in Fig. 1～5, the moistureproof digital display calliper of the utility model, it comprises blade 1, chi frame 2, moisture-proof circuit board 3, LCD panel 4, transparent glasses lens 5, case 6, button 7, button circuit board 12 and battery 8, described moisture-proof circuit board 3 is fixedlyed connected with chi frame 2, button 7 is embedded in the key hole of case 6 sidewalls, it is characterized in that, also comprise water proof rubber layer 9, described water proof rubber layer 9 is arranged between moisture-proof circuit board 3 and the LCD panel 4, described water proof rubber layer 9 top are provided with containing cavity, described LCD panel 4 is embedded in water proof rubber layer 9 containing cavity, and described LCD panel 4 and transparent glasses lens 5 are sealed in the case 6 by water proof rubber layer 9.Water proof rubber layer 9 comprises bottom 91 and frame 92 all around, and described bottom 91 and frame 92 be common to constitute the containing cavity that holds LCD panel 4.Described case 6 is provided with and shows fenestra 61, and described transparent glasses lens 5 is positioned in the case 6, and its upper surface is embedded into and shows in the fenestra 61, and transparent glasses lens 5 adopts ultrasonic soldering to be connected with case 6.Described button 7 is a silica gel push-button, and described case 6 inwalls are provided with slot 62, and described button circuit board 12 is inserted in the slot 62, and described button circuit board 12 is resisted against button 7 on the encloser inner wall.
Further, shown in Fig. 1,3,4, a lateral wall of described case 6 outwards is provided with projection 64, and described protruding 64 are arranged on the case sidewall at button 7 places.Form a battery mounting groove 63 between the inwall of case 6 and the lateral wall projection 64, described battery 8 is arranged in the battery mounting groove 63.Also comprise waterproof nitrile rubber battery cover 10, its physical dimension and battery mounting groove 63 adapt, and described battery 8 is positioned in the waterproof nitrile rubber battery cover 10.By adopting the battery mounting means of this kind form, can reach large-size screen monitors and show, and because the space outside battery installation and circuit board and the LCD panel, but the thickness of case is reduced greatly, make the case profile more attractive in appearance.By the waterproof problem that waterproof nitrile rubber cover can also solve battery is set.
Further, shown in Fig. 1,5, also comprise two dirt plugs 11, described case 6 is provided with plug groove 65 perpendicular to upper edge, the two side sidewall length direction of blade 1 direction, and described dirt plug 11 is arranged in the plug groove 65.By the dirt plug is set, in the slide calliper rule drawing process, can remove foreign material such as dust, water, greasy dirt.
The utility model erection sequence, at first transparent glasses lens 5 and case 6 are adopted ultrasonic soldering, then LCD panel 4 is positioned in the shell, and coat by rubber waterproof layer 9, cover the moisture-proof circuit board 3 that scribbles damp-proof paint at last, components and parts all are positioned at rubber face, and are embedded in the containing cavity that stays in advance on the water proof rubber layer 9, install simple and easy effective.
Claims (8)
1. moistureproof digital display calliper, it comprises blade (1), chi frame (2), moisture-proof circuit board (3), LCD panel (4), transparent glasses lens (5), case (6), button (7), button circuit board (12) and battery (8), described moisture-proof circuit board (3) is fixedlyed connected with chi frame (2), button (7) is embedded in the key hole of case (6) sidewall, it is characterized in that, also comprise water proof rubber layer (9), described water proof rubber layer (9) is arranged between moisture-proof circuit board (3) and the LCD panel (4), described water proof rubber layer (9) top is provided with containing cavity, described LCD panel (4) is embedded in water proof rubber layer (9) containing cavity, and described LCD panel (4) and transparent glasses lens (5) are sealed in the case (6) by water proof rubber layer (9).
2. moistureproof digital display calliper according to claim 1 is characterized in that, water proof rubber layer (9) comprises bottom (91) and frame (92), and the common formation of described bottom (91) and frame (92) is held the containing cavity of LCD panel (4).
3. moistureproof digital display calliper according to claim 1, it is characterized in that, described case (6) is provided with and shows fenestra (61), described transparent glasses lens (5) is positioned in the case (6), its upper surface is embedded into and shows in the fenestra (61), and transparent glasses lens (5) adopts ultrasonic soldering to be connected with case (6).
4. moistureproof digital display calliper according to claim 1, it is characterized in that, described button (7) is a silica gel push-button, described case (6) inwall is provided with slot (62), described button circuit board (12) is inserted in the slot (62), and described button circuit board (12) is resisted against button (7) on the encloser inner wall.
5. moistureproof digital display calliper according to claim 1, it is characterized in that, a lateral wall of described case (6) outwards is provided with projection (64), form a battery mounting groove (63) between the inwall of case (6) and the lateral wall projection (64), described battery (8) is arranged in the battery mounting groove (63).
6. moistureproof digital display calliper according to claim 5 is characterized in that, also comprises waterproof nitrile rubber battery cover (10), and its physical dimension and battery mounting groove (63) adapt, and described battery (8) is positioned in the waterproof nitrile rubber battery cover (10).
7. moistureproof digital display calliper according to claim 5 is characterized in that, described projection (64) is arranged on the case sidewall at button (7) place.
8. moistureproof digital display calliper according to claim 5, it is characterized in that, also comprise two dirt plugs (11), described case (6) is provided with plug groove (65) perpendicular to upper edge, the two side sidewall length direction of blade (1) direction, and described dirt plug (11) is arranged in the plug groove (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200769085U CN201503242U (en) | 2009-06-25 | 2009-06-25 | Damp-proof digital-display caliper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200769085U CN201503242U (en) | 2009-06-25 | 2009-06-25 | Damp-proof digital-display caliper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201503242U true CN201503242U (en) | 2010-06-09 |
Family
ID=42454174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200769085U Expired - Fee Related CN201503242U (en) | 2009-06-25 | 2009-06-25 | Damp-proof digital-display caliper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201503242U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013221934A (en) * | 2012-04-12 | 2013-10-28 | Tesa Sa | Portable instrument for measuring dimensions |
| CN104793666A (en) * | 2015-04-28 | 2015-07-22 | 安徽农业大学 | Beehive used for researching honeycomb all-cell temperature regulation mechanism |
-
2009
- 2009-06-25 CN CN2009200769085U patent/CN201503242U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013221934A (en) * | 2012-04-12 | 2013-10-28 | Tesa Sa | Portable instrument for measuring dimensions |
| CN103376039A (en) * | 2012-04-12 | 2013-10-30 | 特莎有限公司 | Portable instrument for measuring dimensions |
| CN104793666A (en) * | 2015-04-28 | 2015-07-22 | 安徽农业大学 | Beehive used for researching honeycomb all-cell temperature regulation mechanism |
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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: 20100609 Termination date: 20120625 |