CN203757702U - Alcohol lamp for physics teaching - Google Patents
Alcohol lamp for physics teaching Download PDFInfo
- Publication number
- CN203757702U CN203757702U CN201420011986.8U CN201420011986U CN203757702U CN 203757702 U CN203757702 U CN 203757702U CN 201420011986 U CN201420011986 U CN 201420011986U CN 203757702 U CN203757702 U CN 203757702U
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- connects
- relay
- motor
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- head end
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Abstract
An alcohol lamp for physics teaching comprises an alcohol lamp bracket (1), wherein the alcohol lamp bracket comprises a base (2), two sides of the base are respectively provided with worm holes (3), worms (4) are vertically inserted into the worm holes, and supporting rods (5) are respectively and fixedly connected onto two sides of the base. The alcohol lamp is used for physics teaching. The problem that a distance between flame of an existing alcohol lamp and a breaker is inconvenient to adjust, accordingly accurate experimental data cannot be obtained and the teaching efficiency is influenced.
Description
Technical field
the utility model relates to a kind of physics teaching alcolhol burner.
Background technology
the flame of existing alcolhol burner and the distance of beaker are adjusted inconvenient, cause obtaining experimental data accurately the efficiency of impact teaching.
Summary of the invention
the purpose of this utility model is to provide a kind of physics teaching alcolhol burner that can automatic lifting alcolhol burner adjustable range.
above-mentioned object realizes by following technical scheme:
a kind of physics teaching alcolhol burner, its composition comprises: alcohol lamp bracket, and described alcohol lamp bracket comprises base, the both sides of described base have worm hole, the internal vertical of described worm hole is inserted worm screw, and the both sides of described base are fixedly connected with respectively pole.
alcohol lamp holder enters described pole by the first set jacket casing at two ends, the top of described alcohol lamp holder welding worm screw, beaker seat is inserted in described pole by second sleeve at two ends, beaker seat middle part is provided with bottoming hole, the second described sleeve has screwed hole, the described handled screw of screwed hole connecting band.
test tube clamp is inserted in by the 3rd sleeve in the top of described pole, and one end of described the 3rd sleeve also has screwed hole, and described screwed hole is the handled screw of connecting band also.
motor is equipped with in the both sides of described base, the rotating shaft of described motor connects worm gear, described wormgear engaging worm, described base is equipped with distribution box, the first travel switch is equipped with on the top of described distribution box, and the second travel switch is equipped with on the right side of described alcohol lamp holder, and described base has three circular holes, three described circular holes are equipped with three press buttones, are respectively the first press button, the second press button and the 3rd press button.The first press button is that stop button switch, the second press button are rising start button switch, and the 3rd press button is decline start button switch.
the inside of described distribution box connects phase line, described phase line connects the head end of the first press button, the end of the first press button connects the head end of the second press button, the end of the first described press button also connects the head end of the 3rd press button, the end of the second press button connects the normally closed head end of the second relay, the normally closed end of the second relay connects the head end of the first travel switch, and the end of the first travel switch connects the head end of the coil of the first relay, the end of the 3rd press button connects the normally closed head end of the first relay, the normally closed end of the first relay connects the head end of the second travel switch, the end of the second travel switch connects the head end of the coil of the second relay, the end of the coil of the second relay connects the end of the coil of the first relay, and the end of the coil of the second described relay connects zero line, described phase line also connects the head end that first of the first relay is often opened, described phase line also connects the head end that first of the second relay is often opened, described phase line also connects the head end that second of the first relay is often opened, described phase line also connects the head end that second of the second relay is often opened, the end that first of the first relay is often opened connects one end of the first electric capacity, the end that first of the second relay is often opened connects the other end of the first electric capacity, the end that first of the first relay is often opened also connects the head end of first motor the first winding, the end that first of the second relay is often opened also connects the head end of first motor the second winding, the end of first motor the first winding connects the end of first motor the second winding, the end of first described motor the first winding also connects zero line, the end that second of the first relay is often opened connects one end of the second electric capacity, the end that second of the second relay is often opened connects the other end of the second electric capacity, the end that second of the first relay is often opened also connects the head end of second motor the first winding, the end that second of the second relay is often opened also connects the head end of second motor the second winding, the end of second motor the first winding connects the end of second motor the second winding, the end of second described motor the first winding also connects zero line.
beneficial effect:
1. the utility model uses motor to drive lifting, can easily control the distance of alcolhol burner flame and beaker, and experimental data is accurate, has strengthened teacher's operating efficiency.
the top of alcohol lamp holder weldering connecting worm of the present utility model, prevents worm screw landing and inclination.
the utility model uses motor to connect worm gear, and wormgear engaging worm, makes worm screw lifting, and lifting is effective.
the utility model uses two motors to work simultaneously, prevents motor excess load.
the utility model uses the lifting simultaneously of circuit control two motors, adjusts the distance of alcolhol burner flame and beaker, adopts 2 travel switches, in the time rising or drop to extreme position, travel switch can be cut off the electricity supply rapidly, prevents from damaging, electrical equipment control effect is sensitive, is convenient to maintenance.
brief description of the drawings:
accompanying drawing 1 is the structural representation of this product.
accompanying drawing 2 is circuit diagrams of this product.
detailed description of the invention:
embodiment 1:
a kind of physics teaching alcolhol burner, its composition comprises: alcohol lamp bracket 1, and described alcohol lamp bracket comprises base 2, the both sides of described base 2 have worm hole 3, the internal vertical of described worm hole 3 is inserted worm screw 4, and the both sides of described base 2 are fixedly connected with respectively pole 5.In base, have worm hole, make the stable lifting of worm screw energy.
embodiment 2:
physics teaching alcolhol burner described in embodiment 1, alcohol lamp holder 8 is inserted in described pole 5 by first sleeve 16 at two ends, described alcohol lamp holder 8 welds the top of worm screw 4, beaker seat 12 is inserted in described pole 5 by second sleeve 17 at two ends, beaker seat 12 middle parts are provided with bottoming hole, the diameter of bottoming hole is greater than the diameter of alcolhol burner, and the second described sleeve has screwed hole, the handled screw 6 of described screwed hole connecting band.Screw 6 withstands the fixing beaker seat 12 of pole by screwed hole, and the top of alcohol lamp holder weldering connecting worm, prevents worm screw landing and inclination.
embodiment 3:
physics teaching alcolhol burner described in embodiment 2, test tube clamp 11 is inserted in by the 3rd sleeve 18 in the top of described pole 5, and one end of described the 3rd sleeve also has screwed hole, and described screwed hole is the handled screw of connecting band also.The height needing with handled screw energy manual adjustments test tube clamp.The 3rd described sleeve is fixed by screw and pole.
embodiment 4:
physics teaching alcolhol burner described in embodiment 3, motor 15 is equipped with respectively in the both sides of described base 2, the rotating shaft of described motor 15 connects worm gear 14, described worm gear 14 engages worm 4, described base 2 is equipped with distribution box 10, the first travel switch 9 is equipped with on the top of described distribution box 10, the second travel switch 13 is equipped with on the right side of described alcohol lamp holder 8, described base 2 has three circular holes, three described circular holes are equipped with three press buttones, are respectively the first press button 19, the second press button 20 and the 3rd press button 7.The first press button is that stop button switch, the second press button are rising start button switch, and the 3rd press button is decline start button switch.Use motor to connect worm gear, wormgear engaging worm, makes worm screw lifting, and lifting is effective, uses two motors to work simultaneously, prevents motor excess load.
embodiment 5:
physics teaching alcolhol burner described in embodiment 4, the inside of described distribution box connects phase line L, described phase line L connects the head end of the first press button SB1, the end of the first press button SB1 connects the head end of the second press button SB2, the end of the first described press button also connects the head end of the 3rd press button SB3, the end of the second press button SB2 connects the normally closed head end of the second relay K 2, the normally closed end of the second relay connects the head end of the first stroke switch S Q1, the end of the first stroke switch S Q1 connects the head end of the coil of the first relay K 1, the end of the 3rd press button SB3 connects the normally closed head end of the first relay K 1, the normally closed end of the first relay connects the head end of the second travel switch SQ2, the end of the second travel switch SQ2 connects the head end of the coil of the second relay K 2, the end of the coil of the second relay connects the end of the coil of the first relay, and the end of the coil of the second described relay connects zero line N, described phase line L also connects the head end that first of the first relay K 1 is often opened, described phase line also connects the head end that first of the second relay is often opened, described phase line also connects the head end that second of the first relay is often opened, described phase line also connects the head end that second of the second relay is often opened, the end that first of the first relay is often opened connects one end of the first capacitor C 1, the end that first of the second relay is often opened connects the other end of the first capacitor C 1, the end that first of the first relay is often opened also connects the head end of first motor M1 the first winding, the end that first of the second relay is often opened also connects the head end of first motor M1 the second winding, the end of first motor the first winding connects the end of first motor the second winding, the end of first described motor M1 the first winding also connects zero line N.The end that second of the first relay is often opened connects one end of the second capacitor C 2, the end that second of the second relay is often opened connects the other end of the second capacitor C 2, the end that second of the first relay K 1 is often opened also connects the head end of second motor M2 the first winding, the end that second of the second relay is often opened also connects the head end of second motor M2 the second winding, the end of second motor M2 the first winding connects the end of second motor M2 the second winding, and the end of second described motor M2 the first winding also connects zero line N.The first press button is that stop button switch, the second press button are rising start button switch, the 3rd press button is decline start button switch, operate above-mentioned press button, use the lifting simultaneously of circuit control two motors, adjust the distance of alcolhol burner flame and beaker, adopt 2 travel switches, in the time rising or drop to extreme position, travel switch can be cut off the electricity supply rapidly, prevents from damaging, electrical equipment control effect is sensitive, is convenient to maintenance.
Claims (2)
1. a physics teaching alcolhol burner, its composition comprises alcohol lamp bracket, it is characterized in that: described alcohol lamp bracket comprises base, the both sides of described base have worm hole, the internal vertical of described worm hole is inserted worm screw, the both sides of described base are fixedly connected with respectively pole, alcohol lamp holder enters described pole by the first set jacket casing at two ends, the top of described alcohol lamp holder welding worm screw, beaker seat is inserted in described pole by second sleeve at two ends, beaker seat middle part is provided with bottoming hole, the second described sleeve has screwed hole, the described handled screw of screwed hole connecting band, test tube clamp is inserted in by the 3rd sleeve in the top of described pole, one end of described the 3rd sleeve also has screwed hole, described screwed hole is the handled screw of connecting band also, motor is equipped with in the both sides of described base, the rotating shaft of described motor connects worm gear, described wormgear engaging worm, described base is equipped with distribution box, the first travel switch is equipped with on the top of described distribution box, the second travel switch is equipped with on the right side of described alcohol lamp holder, described base has three circular holes, three described circular holes are equipped with three press buttones, it is respectively the first press button, the second press button and the 3rd press button, the first press button is stop button switch, the second press button is rising start button switch, the 3rd press button is decline start button switch.
2. physics teaching alcolhol burner according to claim 1, it is characterized in that: the inside of described distribution box connects phase line, described phase line connects the head end of the first press button, the end of the first press button connects the head end of the second press button, the end of the first described press button also connects the head end of the 3rd press button, the end of the second press button connects the normally closed head end of the second relay, the normally closed end of the second relay connects the head end of the first travel switch, and the end of the first travel switch connects the head end of the coil of the first relay, the end of the 3rd press button connects the normally closed head end of the first relay, the normally closed end of the first relay connects the head end of the second travel switch, the end of the second travel switch connects the head end of the coil of the second relay, the end of the coil of the second relay connects the end of the coil of the first relay, and the end of the coil of the second described relay connects zero line, described phase line also connects the head end that first of the first relay is often opened, described phase line also connects the head end that first of the second relay is often opened, described phase line also connects the head end that second of the first relay is often opened, described phase line also connects the head end that second of the second relay is often opened, the end that first of the first relay is often opened connects one end of the first electric capacity, the end that first of the second relay is often opened connects the other end of the first electric capacity, the end that first of the first relay is often opened also connects the head end of first motor the first winding, the end that first of the second relay is often opened also connects the head end of first motor the second winding, the end of first motor the first winding connects the end of first motor the second winding, the end of first described motor the first winding also connects zero line, the end that second of the first relay is often opened connects one end of the second electric capacity, the end that second of the second relay is often opened connects the other end of the second electric capacity, the end that second of the first relay is often opened also connects the head end of second motor the first winding, the end that second of the second relay is often opened also connects the head end of second motor the second winding, the end of second motor the first winding connects the end of second motor the second winding, the end of second described motor the first winding also connects zero line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420011986.8U CN203757702U (en) | 2014-01-09 | 2014-01-09 | Alcohol lamp for physics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420011986.8U CN203757702U (en) | 2014-01-09 | 2014-01-09 | Alcohol lamp for physics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203757702U true CN203757702U (en) | 2014-08-06 |
Family
ID=51252970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420011986.8U Expired - Fee Related CN203757702U (en) | 2014-01-09 | 2014-01-09 | Alcohol lamp for physics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203757702U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961825A (en) * | 2018-01-02 | 2018-04-27 | 李昊恩 | A kind of high school student's Bioexperiment heating unit |
-
2014
- 2014-01-09 CN CN201420011986.8U patent/CN203757702U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961825A (en) * | 2018-01-02 | 2018-04-27 | 李昊恩 | A kind of high school student's Bioexperiment heating unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HEIHE UNIVERSITY Free format text: FORMER OWNER: YANG YURONG Effective date: 20140917 Free format text: FORMER OWNER: YAN GUOMIN Effective date: 20140917 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140917 Address after: 164300 Heihe education science and technology zone, Xueyuan Road, No. 1, Heihe University, Heilongjiang Patentee after: Heihe University Address before: 164300 Heihe education science and technology zone, Xueyuan Road, No. 1, Heihe University, Heilongjiang Patentee before: Yang Yurong Patentee before: Yan Guomin |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20150109 |
|
| EXPY | Termination of patent right or utility model |