CN1165756C - Pointer-type thermometer - Google Patents
Pointer-type thermometer Download PDFInfo
- Publication number
- CN1165756C CN1165756C CNB021360553A CN02136055A CN1165756C CN 1165756 C CN1165756 C CN 1165756C CN B021360553 A CNB021360553 A CN B021360553A CN 02136055 A CN02136055 A CN 02136055A CN 1165756 C CN1165756 C CN 1165756C
- Authority
- CN
- China
- Prior art keywords
- pointer
- temperature
- gear shaft
- indication
- temperature sensing
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Electromechanical Clocks (AREA)
Abstract
The present invention discloses a pointer transmission thermometer which comprises a temperature indicating device, a planetary gear pointer transmission device, an outer casing (14), a bottom plate (15), etc., wherein the temperature indicating device is composed of a temperature indication pointer (8), a pointer shaft (12), a pointer shaft sleeve (9), a scale face plate (10), a temperature sensing ring (13) and a fixing plate (11) of the temperature sensing ring; the planetary gear pointer transmission device is composed of a gear shaft (1), a blue pointer (21) for indicating the lowest temperature, a red indicator (22) for indicating the highest temperature, locating sheets (31) and (32), an internal gear (4), planetary gears (51), (52), and (53), a knob (7), a transparent watch case (6). The present invention is characterized in that the temperature indication pointer (8), the blue pointer (21), the red pointer (22) and the gear shaft (1) are positioned on the same central line; the temperature sensing ring (13) is a bimetallic spring ring. The tooth part of gear shaft (1) is engaged with three planetary gears (51), (52), and (53) and the internal gear (4). Force is transferred by the planetary gears which are evenly distributed so that the red and blue pointers can lightly and flexibly rotate without the jumping phenomenon. The present invention has the advantages of correct indicated value and convenient use, and moreover, the present invention does not need a built-in power supply and does not cause the environment pollution. Furthermore, the present invention is widely applied to indoor and outdoor spaces and public places.
Description
Technical field
The present invention relates to a kind of pointer-type thermometer, specifically a kind of pointer maximum and minimum thermometer that utilizes the planetary gear type gear train.
Background technology
The temperature sense material of maximum and minimum thermometer in the market adopts mercury metal more, and mercuryvapour is poisonous, and the mercury leakage can cause environmental pollution, has eliminated mercurous product recently both at home and abroad gradually.CN 2328993Y discloses a kind of thermometer, as shown in Figure 9, it comprise shell 1 and built-in power supply V thereof,, pointer reometer on the shell 1 and index dial 2 thereof, switch 3, indoor temperature transmitter 4, outdoor temperature sensor 5, on this external circuit substrate temperature correction resistance and shunt resistance etc. are housed also, constitute temperature sensing circuit; The pointer-type reometer is used for the indicated temperature value, temperature sensor 4,5 is used for the sensing environment temperature, and temperature correction resistance is used for the circuit signal that the Tc sensor transmits, and shunt resistance is used for the temperature value of correcting current table, in can measuring cell and outdoor temperature, control by switch 3.Though this pointer-type electric current indicating thermometer can be associated with higher mensuration degree of accuracy in scalable field, but it must have built-in power V, the adjusting of temperature sensing circuit comparatively bothers, and price is more expensive.
Summary of the invention
Given this, the present invention adopts a kind of pointer-type thermometer of planetary gear type, come indicated temperature in order to transmit temperature-sensing element, its advantage is owing to adopt three planetary pointer gear trains being centrosymmetric, therefore action light and handy sensitive, indicating value correctly, does not need built-in power, do not have environmental pollution, cheap, easy to use.
It is made up of pointer-type thermometer of the present invention temperature indicating device, planet wheel pointer gearing and shell, base plate; Described temperature indicating device comprises the temperature pointer, described temperature pointer mesopore connects a pointer axle sleeve, socket one needle pivot in the described pointer axle sleeve, the tail end of described needle pivot connects a temperature sensing circle, is inserted in a scale panel and the fixed head that is used for fixing the temperature sensing circle on the described needle pivot and between described temperature pointer and described temperature sensing circle.
A described planet wheel pointer gearing is settled in the outside of described temperature indicating device, described planet wheel pointer gearing comprises gear shaft, be set with minimum indication pointer and mxm. indication pointer on the medial surface of described gear shaft, be set with one between described minimum indication pointer and the mxm. indication pointer and calm down bit slice and band nose spacer, the both sides of minimum indication pointer contact with the peaceful spacer of the little nose of gear shaft respectively; Mxm. indication pointer one side contacts with the little nose of band nose spacer.
On the described gear shaft and at the outside of described indication pointer suit one annular wheel, described annular wheel is meshed with three planet wheels that are centrosymmetric, and also can be that two of being centrosymmetric or four planet wheels are meshed; Described planet wheel is meshed with the tooth portion of described gear shaft again simultaneously.
Be set with a transparent watchcase and a knob on the described gear shaft and in the described planetary outside, the tail end of described temperature sensing circle is positioned in the locating slot of temperature sensing circle fixed head, described fixed head glueds joint fixing with panel again, described its other end of temperature sensing circle is one and inserts handle, and described insertion handle inserts in the handle groove of needle pivot and fuses.
The mounting hole center and the gear shaft of described temperature pointer, minimum indication pointer, mxm. indication pointer are positioned on the same center line; The centre of described transparent watchcase is provided with a center pit, and the bar portion of described gear shaft passes described center pit and connects as one with knob.
Described temperature sensing circle is the bimetallic spring circle.
The upper end of described temperature pointer is provided with one can drive the driving lever that minimum is indicated pointer and mxm. indication pointer.
The circular hole of three equidistant placement is set around the center pit of described transparent watchcase, and each is positioned at described three equidistant placement circular holes and described three equidistant placement planet wheels on the same center line mutually.
Described three planetary rotating shaft parts respectively are rotatably assorted mutually each other with three holes of transparent watchcase.
Like this when variation of ambient temperature, the temperature sensing circle drives the needle pivot swing with principle of expanding with heat and contracting with cold along its circumferencial direction, and the temperature pointer is riveted together by pointer axle sleeve and needle pivot, thereby also drive temperature pointer swing, thereby the temperature pointer indicates actual temperature value having on the panel of temperature scale.
The temperature pointer is a black, its upper end has a driving lever can stir red, blue pointer, blue pointer indication minimum temperature, red pointer indication maximum temperature, red, blue pointer is to be sleeved on the gear shaft also can freely rotate thereon, contact with the little nose of gear shaft and the little nose of spacer respectively owing to both sides red, blue pointer again, above-mentioned both to be in contact with one another face very little, thereby red, blue pointer when freely rotating its end-face friction resistance very little, thereby guaranteed pointer actuation sensitivity, indicating value is correct.
In a time cycle arbitrarily, as in one day 24 hours cycle when the variation of ambient temperature, again for pushing red blue two root pointers automatically aside, promptly when environment was in minimum temperature, it drove the indicated value that blue pointer stays in minimum temperature simultaneously in the time of the black beat of pointer; When environment was in maximum temperature, it drove the indicated value that red pointer stays in maximum temperature simultaneously.Spacer is used to locate blue pointer and red pointer.
Center pit and knob that transparent watchcase passes in the bar portion of described planet wheel pointer gearing middle gear axle connect as one, when knob, described gear shaft drives three (also can be two or four) planet wheel rotations, they drive annular wheel again and rotate, the rotation that produces red blue two root pointers with its end-face friction, thus scalable they to original state.
Center bore along transparent watchcase is to be used for the location and to cooperate three planetary rotating shaft parts to being provided with 120 ° of three holes that are separated by, they can freely be rotated therein, utilize the principle of 3 fixing one sides balancedly to drive the purpose that annular wheel rotates again to reach, again because the transmission of above-mentioned power is evenly distributed by three planet wheels, so red, blue pointer rotates easily and flexibly, do not have jumping phenomena, displayed value is correct.
Compared with prior art, the invention has the advantages that do not need built-in power, do not have environmental pollution, indicating value is correct, easy to use.
Description of drawings
Fig. 1 is a three-dimensional exploded view of the present invention;
Fig. 2 is the pointer gear train three-dimensional combination figure of planetary gear type of the present invention;
Fig. 3 is the pointer gear train three-dimensional exploded view of planetary gear type of the present invention;
Fig. 4 is a planet wheel three-dimensional combination figure of the present invention;
Fig. 5 is a planet wheel three-dimensional exploded view of the present invention;
Fig. 6 is a front isometric view of the present invention;
Fig. 7 is a spacer stereographic map of the present invention;
Fig. 8 is a gear shaft stereographic map of the present invention;
Fig. 9 is a kind of prior art synoptic diagram;
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Fig. 1 to Fig. 8 illustrates embodiments of the invention.The temperature indicating device that it is made up of temperature pointer 8, needle pivot 12 and pointer axle sleeve 9, scale panel 10, temperature sensing circle 13 and temperature sensing circle fixed head 11, by gear shaft 1, minimum indication pointer 21 and mxm. indication pointer 22, calm down planet wheel pointer gearing that bit slice 31 and band nose spacer 32, annular wheel 4 and planet wheel 51,52,53, knob 7 form and partly form by three of the housings that shell 14, base plate 15, transparent watchcase 6 are formed; Described temperature sensing circle 13 is bimetallic spring circles, its tail end 132 of described temperature sensing circle 13 is positioned in the locating slot 111 of temperature sensing circle fixed head 11, fixed head 11 glueds joint fixing with panel 10 again, its other end of described temperature sensing circle 13 is one and inserts handle 131, fuse in the handle groove 121 of its insertion needle pivot 12, like this when variation of ambient temperature, temperature sensing circle 13 utilizes principle of expanding with heat and contracting with cold to drive needle pivot 12 swings along its circumferencial direction, and pointer 8 is riveted together by pointer axle sleeve 9 and needle pivot 12, thereby also drive pointer 8 swings, thereby pointer 8 indicates actual temperature value on the panel 10 that has temperature scale.
In a time cycle arbitrarily, as in one day 24 hours cycle when the variation of ambient temperature, in the time of black pointer 8 swing again for pushing red blue two root pointers automatically aside, promptly when environment was in minimum temperature, it drove the indicated value that blue minimum indication pointer 21 stays in minimum temperature simultaneously; When environment was in maximum temperature, it drove the indicated value that red mxm. indication pointer 22 stays in maximum temperature simultaneously.The bit slice 31 of calming down is used to locate blue minimum indication pointer 21 and red mxm. indication pointer 22 with band nose spacer 32.
The center pit 60 that transparent watchcase 6 passes in the bar portion 102 of described planet wheel pointer gearing middle gear axle 1 connects as one with knob 7, when knob 7 rotates, described gear shaft 1 drives 51,52,53 rotations of three (also can be two or four) planet wheels, they drive annular wheel 4 again and rotate, the rotation that produces red blue two root pointers with its end-face friction, thus scalable they to original state.
Turning knob 7 counterclockwise during use makes blue minimum indication pointer 21 and red mxm. indication pointer 22 near black pointer 8, and notices that the palm of the hand should leave centre, the thermometer back side as far as possible, in order to avoid influence temperature sensing circle 13 operate as normal.For the same reason, thermometer should be suspended on the ventilation, and avoids that the sun shines.
Claims (5)
1. pointer-type thermometer, it is made up of temperature indicating device, planet wheel pointer gearing and shell (14), base plate (15); Described temperature indicating device comprises temperature pointer (8), described temperature pointer (8) mesopore connects a pointer axle sleeve (9), socket one needle pivot (12) in the described pointer axle sleeve (9), the tail end of described needle pivot (12) connects a temperature sensing circle (13), on the described needle pivot and be positioned at the fixed head (11) that is inserted in a scale panel (10) between described temperature pointer (8) and the described temperature sensing circle (13) and is used for fixing the temperature sensing circle, it is characterized in that: a described planet wheel pointer gearing is settled in the outside of described temperature indicating device, described planet wheel pointer gearing comprises gear shaft (1), be set with minimum indication pointer (21) and mxm. indication pointer (22) on the medial surface of described gear shaft (1), be set with between described minimum indication pointer (21) and the mxm. indication pointer (22) one calm down bit slice (31) be with nose spacer (32), the both sides of minimum indication pointer (21) contact with the peaceful spacer of little nose (101) (31) of gear shaft (1) respectively, and mxm. indication pointer (22) one sides contact with the little nose (30) of band nose spacer (32); On the described gear shaft (1) and at the outside of described indication pointer suit one annular wheel (4), described annular wheel (4) is meshed with three planet wheels (51), (52), (53) that are centrosymmetric, and described three planet wheels (51), (52), (53) are meshed with the tooth portion of described gear shaft (1) again simultaneously; Be set with a transparent watchcase (6) and knob (7) on the described gear shaft (1) and in the described planetary outside, the tail end (132) of described temperature sensing circle (13) is positioned in the locating slot (111) of temperature sensing circle fixed head (11), described fixed head (11) glueds joint fixing with panel (10) again, its other end of described temperature sensing circle (13) is one and inserts handle (131), and described insertion handle (131) inserts in the handle groove (121) of needle pivot (12) and fuses; The mounting hole center and the gear shaft (1) of described temperature pointer (8), minimum indication pointer (21), mxm. indication pointer (22) are positioned on the same center line; The centre of described transparent watchcase (6) is provided with a center pit (60), and the bar portion (102) of described gear shaft (1) passes described center pit (60) and connects as one with knob (7).
2. pointer-type thermometer according to claim 1 is characterized in that: described temperature sensing circle (13) is the bimetallic spring circle.
3. pointer-type thermometer according to claim 1 is characterized in that: the upper end of described temperature pointer (8) is provided with one can drive the driving lever (81) that minimum is indicated pointer (21) and mxm. indication pointer (22).
4. pointer-type thermometer according to claim 1, it is characterized in that: circular hole (61), (62), (63) of three equidistant placement are set around the described center pit (60), and described circular hole (61), (62), (63) are positioned on the same center line with corresponding planet wheel (51), (52), (53) respectively.
5. pointer-type thermometer according to claim 4 is characterized in that: the rotating shaft of described three planet wheels (51), (52), (53) respectively with the respective aperture (61) of transparent watchcase (6), (62), (63) for being rotatably assorted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021360553A CN1165756C (en) | 2002-07-15 | 2002-07-15 | Pointer-type thermometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021360553A CN1165756C (en) | 2002-07-15 | 2002-07-15 | Pointer-type thermometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1397788A CN1397788A (en) | 2003-02-19 |
| CN1165756C true CN1165756C (en) | 2004-09-08 |
Family
ID=4748479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021360553A Expired - Fee Related CN1165756C (en) | 2002-07-15 | 2002-07-15 | Pointer-type thermometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1165756C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100445724C (en) * | 2005-05-26 | 2008-12-24 | 长沙三德实业有限公司 | Assembly line type automatic consecutive technical analysis instrument |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949764A (en) * | 2015-07-22 | 2015-09-30 | 华军 | Control mechanism of thermometer for transformer |
-
2002
- 2002-07-15 CN CNB021360553A patent/CN1165756C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100445724C (en) * | 2005-05-26 | 2008-12-24 | 长沙三德实业有限公司 | Assembly line type automatic consecutive technical analysis instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1397788A (en) | 2003-02-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5658722B2 (en) | Electromechanical clock with additional functions | |
| CN1165756C (en) | Pointer-type thermometer | |
| US20020131329A1 (en) | World globe pocket clock and world globe desk clock | |
| EP1291738B1 (en) | Clock movement with a display for world time zones | |
| US4430004A (en) | Multi-faced clock | |
| US5146436A (en) | Universal world clock | |
| JP2008164315A (en) | Led display watch and led display method of same | |
| US20030128629A1 (en) | World clock | |
| CN213877017U (en) | Sitting posture reminding instrument | |
| US20080049557A1 (en) | Common drive device for date/am/pm display | |
| JP2014044071A (en) | Watch | |
| CN201732252U (en) | Double-format checking clock synchronously displaying world zone time and each zone time | |
| CN103064278B (en) | Timer movement with world time zone display | |
| WO1988009962A1 (en) | Clock with digital/analog features | |
| CN212569444U (en) | Combined timing structure and clock | |
| CN216595912U (en) | Moon phase dial | |
| CN216145091U (en) | Three-dimensional time display device and watch | |
| US5007034A (en) | Operation indicator of timepiece and so on | |
| CN210719427U (en) | Electronic thermometer with mechanical structure | |
| CN203929207U (en) | The two aobvious electronic scaless of a kind of pointer and LCD | |
| CN220913514U (en) | Watchcase and mechanical watch with count function | |
| CN2185427Y (en) | Electronic spring balance | |
| CN217443742U (en) | Star watch dial | |
| CN210377072U (en) | Temperature sensing discolours electronic watch | |
| CN220105524U (en) | Clock with day and night indication |
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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |