CN107644754B - A kind of mechanical interlocking mechanism of microswitch - Google Patents
A kind of mechanical interlocking mechanism of microswitch Download PDFInfo
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- CN107644754B CN107644754B CN201710779706.6A CN201710779706A CN107644754B CN 107644754 B CN107644754 B CN 107644754B CN 201710779706 A CN201710779706 A CN 201710779706A CN 107644754 B CN107644754 B CN 107644754B
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Abstract
The invention belongs to microswitch fields, especially a kind of mechanical interlocking mechanism of microswitch, easy because two-way power supply is also turned on aiming at the problem that causing Electrical Safety accident by maloperation, now propose following solution, including shell, the shell is rectangular parallelepiped structure, main shaft is rotatably equipped between one group of opposite inner wall on shell, first rotating shaft and the second shaft, master gear is installed on the main shaft, one end of main shaft is pierced by shell and is equipped with worm gear, end face on the worm gear far from master gear is equipped with tag block, first gear is installed in the first rotating shaft, second gear is installed in second shaft, first sliding groove is installed at the top of enclosure interior, the first sliding groove is equipped with two groups, it is slidably fitted with the first rack gear and the second rack gear respectively in two groups of first sliding grooves.Operation of the present invention is simple, safe and stable, has creative, novelty and practicability well.
Description
Technical field
The present invention relates to microswitch technical field more particularly to a kind of mechanical interlocking mechanisms of microswitch.
Background technique
Microswitch full name miniature circuit breaker, it is the same for acting on air switch (moulded case circuit breaker), is all had
Overcurrent protection, short-circuit protection function, and can be used as Operation switch use (cannot frequently switch on).It is its outer dimension, small in size,
Price is relatively low, is widely used in Smaller load distribution system.
In power communications controller switching equipment, miniature air switch is used to match Denso as what dual power supply in the total lock of input inputted
It sets, power supply one and power supply two is generally used in this circuit, one of them is as main power source, another is as backup power source.We
It inputs and then converges into using two miniature air switches in common controller switching equipment and export all the way, at this point, in order to avoid two
Road power supply short circuit, it is necessary to first disconnect and just be switched to all the way in addition all the way, it is generally the case that reversed process carries out hand by operator
Dynamic operation is easy in this way because two-way input power is also turned on the Electrical Safety accident that causes by maloperation, in this way can be to life
Safety threatens and causes huge economic loss.
Summary of the invention
A kind of mechanical interlocking mechanism of microswitch proposed by the present invention solves defeated using two miniature air switches
Enter, must first disconnect all the way and then be switched to when switching two-way power supply in addition all the way, reversed process carries out hand by operator
Dynamic operation is easy because two-way power supply is also turned on the problem of causing Electrical Safety accident by maloperation.
To achieve the goals above, present invention employs following technical solutions:
A kind of mechanical interlocking mechanism of microswitch, including shell, the shell are rectangular parallelepiped structure, one group of phase on shell
Pair inner wall between be rotatably equipped with main shaft, first rotating shaft and the second shaft, master gear is installed on the main shaft, it is main to turn
One end of axis is pierced by shell and is equipped with worm gear, and the end face on the worm gear far from master gear is equipped with tag block, and described first
First gear is installed in shaft, second gear is installed in second shaft, it is sliding that first is equipped at the top of enclosure interior
Slot, the first sliding groove are equipped with two groups, are slidably fitted with the first rack gear and the second rack gear in two groups of first sliding grooves respectively, and described the
The bottom end of one rack gear is equipped with the first conducting block, and the bottom end of second rack gear is equipped with the second conducting block, two groups of first sliding grooves
Side offer first through hole, be mounted on the first protective device, shell on one group of inner wall adjacent with main shaft on shell
The bottom in internal portion is equipped with second sliding slot, and slide is slidably fitted in the second sliding slot, and the slide is rectangular parallelepiped structure,
The top both ends of slide offer the first groove, are slidably fitted with the second sliding block in the first groove described in two groups, first is recessed
Second spring is connected between the bottom of slot and the second sliding block, be separately installed at the top of two group of second sliding block third conducting block and
4th electric conductor, the top of slide are equipped with fixed block, and the fixed block is rectangular parallelepiped structure, and fixed block is integral with slide
Structure, third rack gear is equipped at the top of fixed block, and the two sides of fixed block are mounted on the second protective device, the side peace of shell
Equipped with worm bracket, worm screw is installed on the worm bracket, one end of the worm screw is equipped with dismountable handwheel.
Preferably, first protective device includes sleeve, the first spring, the first sliding block and baffle, and the inside of sleeve is sliding
It is dynamic that first sliding block is installed, the first spring is connected between the bottom of sleeve inner and the first sliding block, the first sliding block is far from first
The side of spring is fixed with baffle, and the cross section of baffle is right-angled trapezium, and baffle is located in the first through hole in first sliding groove.
Preferably, the structure of second protective device is identical with the structure of the first protective device.
Preferably, first sliding groove described in two groups is vertical with the top surface of enclosure interior, and two groups of first sliding grooves are located at first
The two sides that shaft and the second shaft mutually deviate from, the first rack gear and first gear engaged transmission, the second rack gear are nibbled with second gear
Close transmission, third rack gear and master gear engaged transmission.
Preferably, the first rotating shaft, the second shaft and main shaft parallel arrangement, first rotating shaft and the second shaft distinguish position
In the two sides of main shaft, respectively with master gear engaged transmission, first gear passes through with first rotating shaft for first gear and second gear
Flat key connection, second gear are connected with the second shaft by flat key, and master gear is connect with main shaft by flat key, worm gear and worm screw
Engaged transmission, worm gear and worm screw use self-locking structure, and worm gear is connect with main shaft by flat key.
Preferably, the two sides of first rack gear and the second rack gear are mounted on the first gib block that section is rectangle, the
The two sides inner wall of one gib block insertion first sliding groove is simultaneously slidably connected with first sliding groove.
Preferably, the bottom of the slide is equipped with the second gib block that section is T shape, and the second gib block insertion second is sliding
Bottom inside slot is simultaneously slidably connected with second sliding slot.
Preferably, first conducting block and the T-shaped structure of the second conducting block, the first conducting block and the second conducting block
Big end is arcwall face.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention in by setting the second shaft, second gear, slide, third rack gear, the first rack gear, first sliding groove,
First rotating shaft, first gear, master gear, main shaft, the second rack gear, second sliding slot, worm gear, tag block, worm bracket, worm screw and hand
Wheel has been effectively prevented power supply one and the meaning of short circuit occurs for power supply two, it can be achieved that self-locking between access power supply one and power supply two
Outer situation reduces the risk of interferences of external factor, the stability and safety for greatly improving switching and using;
2, it can effectively be reduced in the present invention by setting worm gear, tag block, worm bracket, worm screw and dismountable handwheel
Extraneous factor to the touching of control button and caused by contingency, improve the safety of use and stability, utilize simultaneously
Worm and worm wheel it is self-locking, improve the stability used, effectively avoid switch loosen the phenomenon that;
3, the first conducting block, second can be led in the present invention by the first protective device of setting and the second protective device
Electric block, third conducting block and the 4th electric conductor are protected, and electric shock or short caused by extraneous unexpected touching has been effectively prevented
The fortuitous events such as road;
Operation of the present invention is simple, safe and stable, has creative, novelty and practicability well.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of the shell of the mechanical interlocking mechanism of microswitch proposed by the present invention;
Fig. 2 is a kind of main view of the shell of the mechanical interlocking mechanism of microswitch proposed by the present invention;
Fig. 3 is that the mounting structure of the component on a kind of slide of the mechanical interlocking mechanism of microswitch proposed by the present invention shows
It is intended to;
Fig. 4 is a kind of structural representation of first protective device of the mechanical interlocking mechanism of microswitch proposed by the present invention
Figure;
Fig. 5 is a kind of cross-sectional view of first rack gear of the mechanical interlocking mechanism of microswitch proposed by the present invention;
Fig. 6 is a kind of Longitudinal cross section schematic of first rack gear of the mechanical interlocking mechanism of microswitch proposed by the present invention;
Fig. 7 is a kind of operating circuit logic diagram of the mechanical interlocking mechanism of microswitch proposed by the present invention.
In figure: 1 shell, 2 second shafts, 3 second gears, 4 slides, 41 second springs, 42 third conducting blocks, 43 second are protected
Protection unit, 44 third rack gears, 45 second sliding blocks, 5 first protective devices, 51 sleeves, 52 first springs, 53 first sliding blocks, 54 gears
Plate, 6 first rack gears, 61 first conducting blocks, 7 first sliding grooves, 8 first rotating shafts, 9 first gears, 10 master gears, 11 main shafts, 12
Second rack gear, 13 second sliding slots, 14 worm gears, 15 tag blocks, 16 worm brackets, 17 worm screws, 18 handwheels.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-7, a kind of mechanical interlocking mechanism of microswitch, including shell 1, shell 1 are rectangular parallelepiped structure, shell
Main shaft 11, first rotating shaft 8 and the second shaft 2 are rotatably equipped on 1 between one group of opposite inner wall, is equipped on main shaft 11
Master gear 10, one end of main shaft 11 are pierced by shell 1 and are equipped with worm gear 14, and the end face on worm gear 14 far from master gear 10 is installed
There is tag block 15, first gear 9 is installed in first rotating shaft 8, second gear 3 is installed in second shaft 2, inside shell 1
Top is equipped with first sliding groove 7, and first sliding groove 7 is equipped with two groups, is slidably fitted with the first rack gear 6 respectively in two groups of first sliding grooves 7
With the second rack gear 12, the bottom end of the first rack gear 6 is equipped with the first conducting block 61, and the bottom end of the second rack gear 12 is equipped with the second conduction
Block, the side of two groups of first sliding grooves 7 offer first through hole, pacify on one group of inner wall adjacent with main shaft 11 on shell 1
Equipped with the first protective device 5, the bottom inside shell 1 is equipped with second sliding slot 13, is slidably fitted with slide in second sliding slot 13
4, slide 4 is rectangular parallelepiped structure, and the top both ends of slide 4 offer the first groove, are slidably installed in two group of first groove
There is the second sliding block 45, is connected with second spring 41 between the bottom of the first groove and the second sliding block 45, two group of second sliding block 45
Top is separately installed with third conducting block 42 and the 4th electric conductor, and the top of slide 4 is equipped with fixed block, and fixed block is cuboid
Structure, fixed block and slide 4 are integral structure, third rack gear 44 are equipped at the top of fixed block, the two sides of fixed block are pacified
Equipped with the second protective device 43, the side of shell 1 is equipped with worm bracket 16, and worm screw 17 is equipped on worm bracket 16, worm screw 17
One end is equipped with dismountable handwheel 18.It is self-locking that two-stage can be achieved, reduce the interference of external factor, greatly improve switching
Stability and safety.
First protective device 5 includes sleeve 51, the first spring 52, the first sliding block 53 and baffle 54, and the inside of sleeve 51 is sliding
It is dynamic that first sliding block 53 is installed, the first spring 52, the first sliding block are connected between the bottom and the first sliding block 53 inside sleeve 51
53 sides far from the first spring 52 are fixed with baffle 54, and the cross section of baffle 54 is right-angled trapezium, and it is sliding that baffle 54 is located at first
In first through hole on slot 7, the structure of the second protective device 43 is identical with the structure of the first protective device 5.It can be effective
The first conducting block 61, the second conducting block, third conducting block 42 and the 4th electric conductor are protected, the first conducting block 61, second is avoided to lead
The accidental shock event that electric block, third conducting block 42 and the 4th electric conductor are directly exposed and cause greatly improves safety etc.
Grade and degree of protection.
Two groups of first sliding grooves 7 are vertical with the top surface inside shell 1, and two groups of first sliding grooves 7 are located at first rotating shaft 8 and
The two sides that two shafts 2 mutually deviate from, the first rack gear 6 are engaged with 9 engaged transmission of first gear, the second rack gear 12 with second gear 3
Transmission, 10 engaged transmission of third rack gear 44 and master gear, first rotating shaft 8, the second shaft 2 and main shaft 11 are arranged in parallel, and first
Shaft 8 and the second shaft 2 are located at the two sides of main shaft 11, and first gear 9 and second gear 3 are engaged with master gear 10 respectively
Transmission, first gear 9 are connect with first rotating shaft 8 by flat key, and second gear 3 is connected with the second shaft 2 by flat key, master gear
10 are connect with main shaft 11 by flat key, and worm gear 14 and 17 engaged transmission of worm screw, worm gear 14 and 17 engaged transmission of worm screw are using certainly
Lock construction, worm gear 14 are connect with main shaft 11 by flat key.The effective self-locking of the first conducting block 61 and the second conducting block can be achieved,
Avoid the short-circuit conditions for interfering with each other initiation.
The two sides of first rack gear 6 and the second rack gear 12 are mounted on the first gib block that section is rectangle, the first gib block
It is embedded in the two sides inner wall of first sliding groove 7 and is slidably connected with first sliding groove 7, the bottom of slide 4 is equipped with second that section is T shape
Gib block, the second gib block are embedded in the bottom inside second sliding slot 13 and are slidably connected with second sliding slot 13, the first conducting block 61
With the T-shaped structure of the second conducting block, the big end of the first conducting block 61 and the second conducting block is arcwall face.Facilitate operation and
It is mobile, it works highly stable.
Working principle: as shown in fig. 7, the first conducting block 61 and third conducting block 42 are connected in series to power supply by conducting wire respectively
Second conducting block and the 4th electric conductor in the series loop of load, are passed through conducting wire respectively and are connected in series to power supply one and load by one
In series loop;Handwheel 18 is mounted on to one end of worm screw 17, rotates handwheel 17, worm screw 17 passes through the engaged transmission with worm gear 14
And the transmitting effect of main shaft 11 drives master gear 10 to rotate, master gear 10 by with first gear 9 and second gear 3
Engaged transmission drives first gear 9 and second gear 3 to rotate respectively, then is passed by the engagement of first gear 9 and the first rack gear 6
It is synchronous reversed that dynamic and second gear 3 and the engaged transmission of the second rack gear 12 realize that the first rack gear 6 and the second rack gear 12 are formed
Movement, at this point, passing through the engagement of master gear 10 and third rack gear 44, so that third rack gear 44 drives slide 4 to by proximad
First rack gear 6 of lower movement or the movement of the second rack gear 12, in this way, the third on slide 4 is led when the first rack gear 6 moves downward
Electric block 42 is contacted with the first conducting block 61 of 6 bottom end of the first rack gear, thus the first conducting block 61, third conducting block 42, power supply one
Series loop is formed with load, at this point, the second conducting block, the 4th electric conductor, power supply two and the route of load are off-state;Phase
With, when the second rack gear 12 moves downward, the 4th electric conductor on slide 4 connects with the second conducting block on the second rack gear 12
Touching, so that the second conducting block, the 4th electric conductor, power supply two and load form series loop, at this point, the first conducting block 61, third
The route of conducting block 42, power supply one and load is off-state, forms self-locking state calmly;Wherein, in the first protective device 5
Baffle 54 is shunk when the first conducting block 61 or the second conducting block work, when the first conducting block 61 or the second conducting block do not work
It stretches out, protection is formed to the first conducting block 61 or the second conducting block, avoid directly contacting with extraneous, similarly, the second protection dress
Set 43 pairs of third conducting blocks 42 and the 4th electric conductor effect having the same.
The present invention be when describing each component locations using Fig. 1 as reference data, therefore, the present invention involved in top,
Bottom, side etc. describe the word of position on the basis of Fig. 1.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of mechanical interlocking mechanism of microswitch, including shell (1), which is characterized in that the shell (1) is cuboid knot
Structure is rotatably equipped with main shaft (11), first rotating shaft (8) and the second shaft (2) between the upper one group of opposite inner wall of shell (1),
It being equipped with master gear (10) on the main shaft (11), one end of main shaft (11) is pierced by shell (1) and is equipped with worm gear (14),
It is equipped with tag block (15) on the worm gear (14) far from the end face of master gear (10), the is equipped on the first rotating shaft (8)
One gear (9) is equipped with second gear (3) on second shaft (2), and the internal top of shell (1) is equipped with first sliding groove
(7), the first sliding groove (7) is equipped with two groups, is slidably fitted with the first rack gear (6) and second respectively in two groups of first sliding grooves (7)
The bottom end of rack gear (12), first rack gear (6) is equipped with the first conducting block (61), the bottom end installation of second rack gear (12)
There is the second conducting block, the side of two groups of first sliding grooves (7) offers first through hole, adjacent with main shaft (11) on shell (1)
One group of inner wall on be mounted on the first protective device (5), the internal bottom of shell (1) is equipped with second sliding slot (13), described
It is slidably fitted with slide (4) in second sliding slot (13), the slide (4) is rectangular parallelepiped structure, and the top both ends of slide (4) are opened
The second sliding block (45), the bottom of the first groove and second are slidably fitted with equipped with the first groove, in the first groove described in two groups
It is connected between sliding block (45) second spring (41), is separately installed with third conducting block (42) at the top of two group of second sliding block (45)
With the 4th electric conductor, the top of slide (4) is equipped with fixed block, and the fixed block is rectangular parallelepiped structure, fixed block and slide (4)
It is integral structure, third rack gear (44) are installed at the top of fixed block, the two sides of fixed block are mounted on the second protective device
(43), the side of shell (1) is equipped with worm bracket (16), is equipped with worm screw (17), the worm screw on the worm bracket (16)
(17) one end is equipped with dismountable handwheel (18).
2. a kind of mechanical interlocking mechanism of microswitch according to claim 1, which is characterized in that the first protection dress
Setting (5) includes sleeve (51), the first spring (52), the first sliding block (53) and baffle (54), the internal slide installation of sleeve (51)
Have the first sliding block (53), be connected with the first spring (52) between the internal bottom of sleeve (51) and the first sliding block (53), first is sliding
Block (53) is fixed with baffle (54) far from the side of the first spring (52), and the cross section of baffle (54) is right-angled trapezium, baffle
(54) it is located in the first through hole on first sliding groove (7).
3. a kind of mechanical interlocking mechanism of microswitch according to claim 1 or 2, which is characterized in that described second protects
The structure of protection unit (43) is identical with the structure of the first protective device (5).
4. a kind of mechanical interlocking mechanism of microswitch according to claim 1, which is characterized in that first is sliding described in two groups
Slot (7) is vertical with the internal top surface of shell (1), and two groups of first sliding grooves (7) are located at first rotating shaft (8) and the second shaft (2)
The two sides mutually deviated from, the first rack gear (6) and first gear (9) engaged transmission, the second rack gear (12) are engaged with second gear (3)
Transmission, third rack gear (44) and master gear (10) engaged transmission.
5. a kind of mechanical interlocking mechanism of microswitch according to claim 1, which is characterized in that the first rotating shaft
(8), the second shaft (2) and main shaft (11) parallel arrangement, first rotating shaft (8) and the second shaft (2) are located at main shaft
(11) two sides, first gear (9) and second gear (3) respectively with master gear (10) engaged transmission, first gear (9) and first
Shaft (8) is connected by flat key, and second gear (3) is connected with the second shaft (2) by flat key, master gear (10) and main shaft
(11) it is connected by flat key, worm gear (14) and worm screw (17) engaged transmission, worm gear (14) and worm screw (17) use self-locking structure, snail
Wheel (14) is connect with main shaft (11) by flat key.
6. a kind of mechanical interlocking mechanism of microswitch according to claim 1, which is characterized in that first rack gear
(6) and the two sides of the second rack gear (12) are mounted on the first gib block that section is rectangle, and the first gib block is embedded in first sliding groove
(7) two sides inner wall is simultaneously slidably connected with first sliding groove (7).
7. a kind of mechanical interlocking mechanism of microswitch according to claim 1, which is characterized in that the slide (4)
Bottom is equipped with the second gib block that section is T shape, and the second gib block is embedded in second sliding slot (13) internal bottom and with second
Sliding slot (13) is slidably connected.
8. a kind of mechanical interlocking mechanism of microswitch according to claim 1, which is characterized in that first conducting block
(61) and the T-shaped structure of the second conducting block, the big end of the first conducting block (61) and the second conducting block is arcwall face.
Priority Applications (1)
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CN201710779706.6A CN107644754B (en) | 2017-09-01 | 2017-09-01 | A kind of mechanical interlocking mechanism of microswitch |
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CN201710779706.6A CN107644754B (en) | 2017-09-01 | 2017-09-01 | A kind of mechanical interlocking mechanism of microswitch |
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CN107644754A CN107644754A (en) | 2018-01-30 |
CN107644754B true CN107644754B (en) | 2019-03-26 |
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CN201710779706.6A Active CN107644754B (en) | 2017-09-01 | 2017-09-01 | A kind of mechanical interlocking mechanism of microswitch |
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Families Citing this family (1)
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CN109686611B (en) * | 2018-12-25 | 2021-04-20 | 四川大钿科技发展有限公司 | Air switch |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202534558U (en) * | 2012-04-24 | 2012-11-14 | 天津市津控低压电器开发有限公司 | Gear and rack transmission conversion mechanism |
CN204102737U (en) * | 2014-11-18 | 2015-01-14 | 浙江现代电气有限公司 | A kind of automatic change-over with lockable mechanism |
CN106783267A (en) * | 2016-11-25 | 2017-05-31 | 合肥华义电气科技有限公司 | The transmission & distribution electric switch being easily assembled to |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE531058T1 (en) * | 2006-12-15 | 2011-11-15 | Abb Technology Ag | LOCKING AND ACTUATING SYSTEM FOR GENERATOR SWITCHES |
DE102008048018B3 (en) * | 2008-09-19 | 2009-10-22 | Maschinenfabrik Reinhausen Gmbh | hand drive |
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2017
- 2017-09-01 CN CN201710779706.6A patent/CN107644754B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202534558U (en) * | 2012-04-24 | 2012-11-14 | 天津市津控低压电器开发有限公司 | Gear and rack transmission conversion mechanism |
CN204102737U (en) * | 2014-11-18 | 2015-01-14 | 浙江现代电气有限公司 | A kind of automatic change-over with lockable mechanism |
CN106783267A (en) * | 2016-11-25 | 2017-05-31 | 合肥华义电气科技有限公司 | The transmission & distribution electric switch being easily assembled to |
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