CN1719197A - Automatic liquid feeding air discharge magnetic compass - Google Patents
Automatic liquid feeding air discharge magnetic compass Download PDFInfo
- Publication number
- CN1719197A CN1719197A CN 200510036091 CN200510036091A CN1719197A CN 1719197 A CN1719197 A CN 1719197A CN 200510036091 CN200510036091 CN 200510036091 CN 200510036091 A CN200510036091 A CN 200510036091A CN 1719197 A CN1719197 A CN 1719197A
- Authority
- CN
- China
- Prior art keywords
- compass
- chamber
- basin
- basin body
- body interlayer
- Prior art date
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 36
- 239000011229 interlayer Substances 0.000 claims description 27
- 239000000758 substrate Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 241000220317 Rosa Species 0.000 abstract description 11
- 238000007599 discharging Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 3
- 206010015866 Extravasation Diseases 0.000 description 2
- 230000036251 extravasation Effects 0.000 description 2
- 238000001990 intravenous administration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000005341 toughened glass Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Images
Abstract
The present invention relates to a magnetic compass with the function of automatically charging liquid and discharging air. Said magnetic compass includes the compass cabinet, internal compass basin, external compass basin, upper chamber, lower chamber, liquid-adding hole, air-discharging hole, compass rose and floating chamber, etc. It can raise stability and accuracy of compass.
Description
Technical field
The present invention relates to autical instrument, particularly a kind of magnetic compass that is used to indicate course, observed ray.
Background technology
Existing navigation magnetic compass generally all is that compass scale and floating chamber are placed in the compass bowl, and injects liquid in the compass bowl of sealing.This magnetic compass is subjected to the ambient temperature variable effect bigger, when the temperature in the external world raises, and the compass bowl expanded by heating, space enlargement in the pelvic cavity, owing to the swell increment of expansion of liquids amount less than compass bowl, the pelvic cavity internal pressure reduces, air enters thereupon, forms bubble, influences the degree of accuracy of magnetic compass.When bubble is excessive, even can make magnetic compass malfunctioning, can't use.And when temperature reduces, the compass bowl shrinkage, the space dwindles in the pelvic cavity, because liquid shrinkage amount is less than the shrinkage amount of compass bowl, the pelvic cavity internal pressure increases, and the lighter causes intravenous extravasation, and weight person then causes magnetic compass glass or compass bowl explosion, influence the serviceable life of magnetic compass, even cause magnetic compass to scrap.
The applicant on June 9th, 2004 bulletin, to be called " automatic liquid feeding exhausting compasses ", application number be to have disclosed a kind of technical scheme that addresses the above problem in 03225983.2 the utility model patent to name, in this scheme, be provided with outer compass rose and interior compass rose in the compass and will store liquid space and be divided into inside and outside two chambers, offer the topping up vent port that is communicated with two Room on the interior compass rose sidewall.When the temperature reduction caused the compass rose shrinkage, the topping up vent port of the liquid in the inner room on interior compass rose sidewall flowed into the mistress, can prevent intravenous extravasation; And improve when temperature, when having gathered bubble in the interior compass rose, this compass revolved turn 90 degrees, just bubble can be expelled to the mistress from the topping up vent port; In addition, this inside and outside compass rose bottom design becomes wavy, and external force is played buffer action, can increase the smoothness of compass.But in actual use, in the time of bubble being expelled to the mistress, also need repeatedly patting compass bubble is concentrated, all bubbles could be discharged, it is convenient inadequately to use; In addition, under the situation of comparatively jolting in road transport or sail, the stability of this compass is also not enough.
Summary of the invention
The technical problem to be solved in the present invention provides and a kind ofly can adapt to that ambient temperature changes, high automatic liquid feeding air discharge magnetic compass easy to use and stable.
Purpose of the present invention can realize by adopting following technical measures: design a kind of automatic liquid feeding air discharge magnetic compass, comprising: binnacle, be articulated in compass bowl in the binnacle, be arranged in compass scale, axonometer, floating chamber and the liquid of compass bowl inner chamber, the sealing-plug that is opened in the liquid filling hole on the compass bowl diapire and seals this liquid filling hole; Described compass bowl comprises basin and basin body interlayer in the outer basin of compass, the compass from outside to inside successively, the separate space that the separate space above the basin body interlayer that is stored in described liquid promptly goes up between the interior basin in chamber and basin body interlayer and compass is promptly indoor down, described basin body interlayer is infundibulate, the bottom of basin body interlayer funnel be provided with a topping up vent port be communicated with described on chamber and following chamber, described compass scale and floating chamber are positioned at indoor.Like this, when having gathered bubble in the last chamber, only need magnetic compass is turned over turnback, proportion can be expelled to down in the chamber from the topping up vent port of basin body interlayer funnel bottom automatically than the bubble of warp.
Described axonometer is fixed on the substrate of a support, three legs of support with this substrate fixedly suspension in the topping up vent port of basin body interlayer top.Thereby bubble can be discharged from entering the topping up vent port between the leg like this.
Described liquid filling hole is the threaded hole that basin bottom part is offered in the compass, and the outer basin bottom part of described compass and this threaded hole corresponding position have a through hole, and described sealing-plug is for revolving the stainless steel drive screw of joining with above-mentioned threaded hole.
Compared with prior art, automatic liquid feeding air discharge magnetic compass of the present invention has the following advantages: interior being separated into by the basin body interlayer of compass bowl independently gone up chamber and following chamber, and funnel shaped basin body interlayer bottom is provided with the topping up vent port and will be communicated with between the upper and lower chamber, when in compass bowl, producing bubble when the temperature rising, only need 180 degree upset magnetic compasses the bubble of compass bowl inner accumulated can be drained into down the chamber by this topping up vent port, need not to pat magnetic compass, very easy to use; And when temperature reduces, go up indoor liquid can be squeezed to down indoorly by this topping up vent port, it is normal to keep in the compass pressure in the basin and basin body interlayer thus, guarantees the degree of accuracy of magnetic compass and the serviceable life of prolongation magnetic compass.In addition, this magnetic compass bottom has the bigger following chamber of storage liquid measure, and liquid is enough additional when having satisfied temperature difference expansion greatly, has increased the bearing down of magnetic compass simultaneously, has increased the smoothness of this magnetic compass greatly, the stability of magnetic compass when guaranteeing navigation.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION figure of automatic liquid feeding air discharge magnetic compass of the present invention;
Fig. 2 is the combination assumption diagram of automatic liquid feeding air discharge magnetic compass of the present invention;
Fig. 3 is the structural representation of described axonometer 4 and support 8 thereof;
Synoptic diagram when Fig. 4 is magnetic compass inner accumulated bubble 9;
Fig. 5 be when magnetic compass is turned over turnback bubble 9 move towards synoptic diagram;
Fig. 6 is the position view of bubble 9 when again magnetic compass being gone to normal angled.
Embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is elaborated.
As depicted in figs. 1 and 2, automatic liquid feeding air discharge magnetic compass of the present invention comprises binnacle, be articulated in compass bowl 2 in the binnacle with rotating shaft 11, be arranged in support 8, axonometer 4, floating chamber 5 and the compass scale 3 of compass rose 2 inner chambers, be covered in silica gel circle 6, tempered glass 20 and the verge ring 30 of compass bowl 2 upper openings, be fixed on gimbal 6 on compass rose 2 lateral walls, the sealing-plug 7 that is opened in the liquid filling hole 24 on compass bowl 2 diapires and seals this liquid filling hole 24 with screw 61.
As shown in Figure 2, described compass rose 2 comprises from outside to inside successively: basin 22 and basin body interlayer 23 three-deckers in the outer basin 21 of compass, the compass.The outer basin 21 of described compass is made for copper die casting, shields; Basin 22 is set up in the outer basin 21 of compass in the described compass, adopts plastic material to make, and is reserved with the space to adapt to the needs that basin body expands with heat and contract with cold between the basin 22 in outer basin 21 of compass and the compass; 23 of described basin body interlayers are erected in the interior basin 22 of compass, adopt plastic material to make equally, and basin 22 is connected with ultrasonic sealing with the edge of opening of basin body interlayer 23 in the compass.Described basin body interlayer 23 is infundibulate, and compass inner disc 22 is separated into two separate space up and down, that is: the following chamber 26 in last chamber 25 between basin body interlayer 23 tops and the tempered glass 20, and basin body interlayer 23 and the compass between the basin 22.The bottom of basin body interlayer 23 funnels offer a topping up vent port 231 be communicated with described on chamber 25 and following chamber 26, liquid is stored in chamber 25 and the following chamber 26.
As shown in Figures 2 and 3, described compass scale 3, axonometer 4, support 8 and floating chamber 5 are positioned at chamber 25, described axonometer 4 is fixed on the substrate 81 of support 8, fixedly suspension is in topping up vent port 231 tops of basin body interlayer 23 with this substrate 81 for three legs 82 of support 8, and bubble 9 can enter topping up vent port 231 along the space between the leg 82.
As Fig. 2, the threaded hole that described liquid filling hole 24 is offered for basin 22 bottoms in the compass, outer basin 21 bottoms of described compass and this threaded hole 24 corresponding positions have a through hole 211, and described sealing-plug 7 can carry out topping up so easily for revolving the stainless steel drive screw of joining with above-mentioned threaded hole.
After using a period of time, when the temperature in the external world raises, the space of the compass inner disc 22 of magnetic compass enlarges because of heat expansion, the basin body internal pressure reduces, air enters in the basin body and in last chamber 25 and forms bubble 9 (as Fig. 4), at this moment, and with magnetic compass Rotate 180 degree, make its end towards the sky, bubble 9 just rises and space between the leg 82 of support 8 is expelled to down (as Fig. 5) in the chamber 26 from topping up vent port 231 along the funnel-shaped bottom portion of basin body interlayer 23 naturally because of density is little; Magnetic compass is turn to normal use location this moment, bubble 9 will be located (as Fig. 6) in the higher position of chamber 26 peripheries extremely down by envelope again, so just the bubble of going up in the chamber 25 9 can be discharged the normal use of assurance magnetic compass.When temperature reduces, basin 22 and 23 shrinkages of basin body interlayer in the compass, the liquid in the last chamber 22 is extruded into down in the chamber 26 from topping up vent port 231, thereby guarantees that the pressure in interior basin 22 of compass and the basin body interlayer 23 is normal.
Claims (3)
1, a kind of automatic liquid feeding air discharge magnetic compass comprises: binnacle (1), the sealing-plug (7) that is articulated in the compass bowl (2) in the binnacle (1), the compass scale (3) that is arranged in compass bowl (2) inner chamber, axonometer (4), floating chamber (5) and liquid, is opened in the liquid filling hole (24) on compass bowl (2) diapire and seals this liquid filling hole (24); It is characterized in that: described compass bowl (2) comprises basin (22) and basin body interlayer (23) in the outer basin (21) of compass, the compass from outside to inside successively, the separate space that the separate space above the basin body interlayer (23) that is stored in described liquid promptly goes up between the interior basin (22) in chamber (25) and basin body interlayer (23) and compass is promptly descended in the chamber (26), described basin body interlayer (23) is infundibulate, be provided with a topping up vent port (231) in the bottom of basin body interlayer (23) funnel and be communicated with described chamber (25) and the following chamber (26) of going up, described compass scale (3) and floating chamber (5) are positioned at chamber (25).
2. automatic liquid feeding air discharge magnetic compass according to claim 1, it is characterized in that: described axonometer (4) is fixed on the substrate (81) of a support (8), three legs (82) of support (8) with this substrate (81) fixedly suspension in the topping up vent port (231) of basin body interlayer (23) top.
3. automatic liquid feeding air discharge magnetic compass according to claim 1 and 2, it is characterized in that: the threaded hole that described liquid filling hole (24) is offered for basin (22) bottom in the compass, the outer basin (21) of described compass bottom has a through hole (211) with this threaded hole (24) corresponding position, and described sealing-plug (7) is for revolving the stainless steel drive screw of joining with above-mentioned threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100360915A CN100437030C (en) | 2005-07-18 | 2005-07-18 | Automatic liquid feeding air discharge magnetic compass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100360915A CN100437030C (en) | 2005-07-18 | 2005-07-18 | Automatic liquid feeding air discharge magnetic compass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1719197A true CN1719197A (en) | 2006-01-11 |
| CN100437030C CN100437030C (en) | 2008-11-26 |
Family
ID=35931093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100360915A Active CN100437030C (en) | 2005-07-18 | 2005-07-18 | Automatic liquid feeding air discharge magnetic compass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100437030C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341929A (en) * | 2013-06-27 | 2013-10-09 | 信义汽车玻璃(深圳)有限公司 | Method for manufacturing injection product model |
| CN104197905A (en) * | 2014-09-15 | 2014-12-10 | 瑞安市顺风航仪有限公司 | Magnetic compass for preventing bubbles from reflowing to upper chamber |
| CN106052662A (en) * | 2016-08-12 | 2016-10-26 | 瑞安市顺风航仪有限公司 | Magnetic compass |
| RU2816818C1 (en) * | 2023-11-30 | 2024-04-05 | АО "Штурманские приборы" | Magnetic compass |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5107597A (en) * | 1989-08-24 | 1992-04-28 | Takeshi Kato | Magnetic compass |
| JPH0429011A (en) * | 1990-05-25 | 1992-01-31 | Seiji Funakoshi | Compass |
| FI84756C (en) * | 1990-06-11 | 1992-01-10 | Sisteco Ltd Oy | Compass |
| CN2374847Y (en) * | 1999-05-10 | 2000-04-19 | 何展辉 | Regulatable navigation magnetic compass |
| CN2620248Y (en) * | 2003-05-06 | 2004-06-09 | 何展辉 | Automatic liquid-filling exhausting compasses |
-
2005
- 2005-07-18 CN CNB2005100360915A patent/CN100437030C/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341929A (en) * | 2013-06-27 | 2013-10-09 | 信义汽车玻璃(深圳)有限公司 | Method for manufacturing injection product model |
| CN103341929B (en) * | 2013-06-27 | 2015-07-22 | 信义汽车玻璃(深圳)有限公司 | Method for manufacturing injection product model |
| CN104197905A (en) * | 2014-09-15 | 2014-12-10 | 瑞安市顺风航仪有限公司 | Magnetic compass for preventing bubbles from reflowing to upper chamber |
| CN106052662A (en) * | 2016-08-12 | 2016-10-26 | 瑞安市顺风航仪有限公司 | Magnetic compass |
| RU2816818C1 (en) * | 2023-11-30 | 2024-04-05 | АО "Штурманские приборы" | Magnetic compass |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100437030C (en) | 2008-11-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shanwei Hui Hui Industrial Co., Ltd. Assignor: He Zhanhui Contract record no.: 2011440001038 Denomination of invention: Automatic liquid feeding air discharge magnetic compass Granted publication date: 20081126 License type: Exclusive License Open date: 20060111 Record date: 20111124 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170719 Address after: 516600 Guangdong Province, Shanwei city Shanwei Road East section of Tai Chi Ling market No. 16 Patentee after: Shanwei Hui Hui Industrial Co., Ltd. Address before: 516600 Guangdong City, Shanwei City Road, Lane No. eleven, No. 18 Patentee before: He Zhanhui |