CN113963965A - Transmission system capable of realizing circuit conversion - Google Patents
Transmission system capable of realizing circuit conversion Download PDFInfo
- Publication number
- CN113963965A CN113963965A CN202111005183.2A CN202111005183A CN113963965A CN 113963965 A CN113963965 A CN 113963965A CN 202111005183 A CN202111005183 A CN 202111005183A CN 113963965 A CN113963965 A CN 113963965A
- Authority
- CN
- China
- Prior art keywords
- rotating mechanism
- plate
- micro switch
- transmission system
- microswitch
- 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.)
- Pending
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/34—Driving mechanisms, i.e. for transmitting driving force to the contacts using ratchet
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/04—Control of fire-fighting equipment with electrically-controlled release
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
Abstract
The invention discloses a transmission system capable of realizing circuit conversion, which comprises a fixed plate, a micro switch group, a rotating mechanism, a stop piece, a control plate and a trigger torsion spring, wherein the fixed plate is fixed on the outer side of the micro switch group; the micro switch group controls two shunt switches for a main switch; the micro switch group and the rotating mechanism are both arranged on the fixed plate, the operating plate is arranged on the rotating mechanism, and a trigger torsion spring is arranged on the operating plate; in a static state, the rotating mechanism and the operating plate are clamped; the operation plate rotates after being buckled, and the rotating mechanism does not rotate under the action of the stop piece; after the operating plate is rotated to the right position, the operating plate presses the main switch spring piece, so that the main switch is switched on; then the operation plate resets under the action of a trigger torsion spring to drive the rotating mechanism to rotate reversely, and the rotating mechanism rotates a certain angle to contact with one shunt switch spring piece, so that the first circuit communication is realized; and (5) pressing the operation plate again to complete the second circuit communication. The intermediate transmission process is short, the structure is simple, and the reliability is high.
Description
Technical Field
The invention relates to the technical field of fire-fighting injection, in particular to a transmission system capable of realizing circuit conversion.
Background
The transmission system is applied to the technical field of fire-fighting injection, namely, the transmission system of a conversion circuit in an injection device is realized. The existing conversion circuit device has the disadvantages of complex structure, non-coaxial structure with a rotating part, long intermediate transmission process, complex structure, large volume and weight and low reliability.
Disclosure of Invention
In view of the above, the invention provides a transmission system capable of realizing circuit conversion, which has the advantages of short intermediate transmission process, simple structure and high reliability.
The technical scheme adopted by the invention is as follows:
a transmission system capable of realizing circuit conversion comprises a fixed plate, a micro switch group, a rotating mechanism, a stop piece, a control plate and a trigger torsion spring;
the micro switch group controls two shunt switches for one main switch; the micro switch group and the rotating mechanism are both arranged on the fixed plate, the operating plate is arranged on the rotating mechanism, and a trigger torsion spring is arranged on the operating plate;
in a static state, the rotating mechanism and the operating plate are clamped; the operation plate rotates after being buckled, and the rotating mechanism does not rotate under the action of the stop piece; after the operating plate is rotated to the right position, the operating plate presses the main switch spring piece, so that the main switch is switched on; then the operation plate resets under the action of a trigger torsion spring to drive the rotating mechanism to rotate reversely, and the rotating mechanism rotates a certain angle to contact with one shunt switch spring piece, so that the first circuit communication is realized; and (5) pressing the operation plate again to complete the second circuit communication.
Furthermore, the micro switch group comprises a main micro switch, a micro switch I, a micro switch II and three compression spring pieces;
the microswitch I and the microswitch II are respectively arranged on the left side and the right side below the main microswitch, and the three compression spring pieces are respectively arranged on the main microswitch, the microswitch I and the microswitch II.
Further, the rotating mechanism comprises a rotating shaft, an engaging gear, a ratchet wheel, a cam and a compression spring;
the joint gear, the ratchet wheel and the cam are sequentially sleeved on the rotating shaft, and the compression spring is arranged between the bottom surface of the cam and the upper surface of the annular boss of the rotating shaft; the upper surface of the joint gear is a joint surface which is used for being clamped with the operation plate, and the joint surface is bevel teeth; the ratchet wheel is used for being matched with the stop piece; the cam is provided with more than three extending parts which are odd.
Further, the number of the protruding portions is five.
Further, the transmission system further comprises a cotter pin, and the operating plate is installed at the end part of the rotating shaft through the cotter pin.
Has the advantages that:
1. the invention can realize circuit conversion, is coaxial with a rotating part, has short intermediate transmission process, simple structure, small volume, weight and operating force, improves the reliability and is convenient to use and maintain.
2. The micro switch group of the invention controls two shunt switches by one main switch, thereby increasing the reliability and safety of the circuit.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the microswitch set;
FIG. 3 is a schematic structural view of a rotating mechanism;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a schematic view of the present invention without the use of a manipulation plate, cotter pin and trigger torsion spring;
FIG. 6 is a schematic view of the back of the operation plate.
The automatic locking device comprises a fixing plate 1, a microswitch group 2, a microswitch group 4, a microswitch II, a control plate 5, a cotter pin 6, a trigger torsion spring 7, a microswitch I, a microswitch 9, a compression spring piece 10, a rotating shaft 11, a joint gear 12, a ratchet wheel 13, a cam 14, a compression spring 15, a stop piece 16 and a limit boss 17.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The invention provides a transmission system capable of realizing circuit conversion, which comprises a fixed plate 1, a micro switch group 2, a rotating mechanism, a stop piece 16, an operating plate 5, a cotter pin 6 and a trigger torsion spring 7, as shown in figure 1.
The micro switch group 2 is connected by wires to form a main switch to control two shunt switches; as shown in fig. 2, the micro switch group 2 includes a main micro switch 9, a micro switch i 8, a micro switch ii 4, and three compression spring pieces 10. When the micro switch I8 or the micro switch II 4 is switched on, the main micro switch 9 is switched on simultaneously, and a circuit connected with the micro switch I8 or the micro switch II 4 is communicated.
Micro-gap switch I8, micro-gap switch II 4 set up respectively in the left and right sides of total micro-gap switch 9 below, and three compression spring leaf 10 sets up respectively on total micro-gap switch 9, micro-gap switch I8, micro-gap switch II 4. The main microswitch 9, the microswitch I8 and the microswitch II 4 are all provided with wiring ports. As shown in fig. 5, a stopper 16 is fixed to an upper portion of the compression spring plate 10 fixedly attached to the micro switch ii 4 for restricting a reverse movement of the rotation combination wheel.
As shown in fig. 3 and 4, the rotating mechanism includes a rotating shaft 11, an engaging gear 12, a ratchet 13, a cam 14, and a compression spring 15; the end part of one end of the rotating shaft 11 is provided with a radial through hole for being matched with the cotter pin 6, and the other end of the rotating shaft is provided with a circular boss.
The joint gear 12, the ratchet wheel 13 and the cam 14 are sequentially sleeved on the rotating shaft 11, the joint gear 12 is close to the end of the radial through hole to form a rotating combined wheel, and the compression spring 15 is arranged between the bottom surface of the cam 14 and the upper surface of the annular boss; the upper surface of the engaging gear 12 is an engaging surface for engaging with the operating plate 5; the joint surface is a bevel tooth; ratchet 13 is intended to cooperate with stop 16; the cam 14 is provided with three or more protruding portions, and the number of the protruding portions is odd. In this embodiment, the number of the protruding portions is five.
The micro switch group 2 and the rotating mechanism are both arranged on the fixed plate 1, the operating plate 5 is arranged on the end of the radial through hole through the split pin 6, and the operating plate 5 is provided with a trigger torsion spring 7; as shown in fig. 6, the back of the operating plate 5 is provided with two limiting bosses 17, and in this embodiment, the two limiting bosses 17 are symmetrically arranged. The limit boss 17 engages with the bevel teeth of the engaging gear 12.
Under the static state, under the action of the compression spring 15, the joint gear 12 of the rotating mechanism is clamped with the operating plate 5; in this embodiment, the operating plate 5 rotates counterclockwise after being buckled, the rotating combination wheel does not rotate under the action of the stop piece 16, but in the rotating process of the operating plate 5, a downward force is applied to the engaging gear 12, the rotating combination wheel moves downward, and the compression spring 15 is further compressed; after the control plate 5 rotates to the right position, the control plate 5 presses a compression spring piece of the master microswitch 9, so that the master switch is switched on, and an external motor stores energy in the process; then the operation plate 5 is reset under the action of a trigger torsion spring 7 to drive the rotation combination wheel to reversely rotate, namely clockwise rotate, at the moment, the motor generates electricity and rotates a certain angle to enable the extending part of the cam 14 in the rotation combination wheel to be in contact with the compression spring piece of one shunt switch, and meanwhile, the operation plate 5 keeps jacking and pressing the compression spring piece of the main microswitch 9 to realize primary circuit communication; and (3) buckling the control plate 5 again, repeating the action after buckling, and rotating the extending part of the cam 14 in the combined wheel to be contacted with the compression spring piece of the other shunt switch to complete the second circuit communication and realize the circuit conversion.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A transmission system capable of realizing circuit conversion is characterized by comprising a fixed plate, a micro switch group, a rotating mechanism, a stop piece, a control plate and a trigger torsion spring;
the micro switch group controls two shunt switches for one main switch; the micro switch group and the rotating mechanism are both arranged on the fixed plate, the operating plate is arranged on the rotating mechanism, and a trigger torsion spring is arranged on the operating plate;
in a static state, the rotating mechanism and the operating plate are clamped; the operation plate rotates after being buckled, and the rotating mechanism does not rotate under the action of the stop piece; after the operating plate is rotated to the right position, the operating plate presses the main switch spring piece, so that the main switch is switched on; then the operation plate resets under the action of a trigger torsion spring to drive the rotating mechanism to rotate reversely, and the rotating mechanism rotates a certain angle to contact with one shunt switch spring piece, so that the first circuit communication is realized; and (5) pressing the operation plate again to complete the second circuit communication.
2. The transmission system capable of realizing circuit conversion according to claim 1, wherein the micro switch set comprises a main micro switch, a micro switch I, a micro switch II and three compression spring pieces;
the microswitch I and the microswitch II are respectively arranged on the left side and the right side below the main microswitch, and the three compression spring pieces are respectively arranged on the main microswitch, the microswitch I and the microswitch II.
3. The transmission system capable of realizing circuit conversion according to claim 1, wherein the rotating mechanism comprises a rotating shaft, an engaging gear, a ratchet wheel, a cam and a compression spring;
the joint gear, the ratchet wheel and the cam are sequentially sleeved on the rotating shaft, and the compression spring is arranged between the bottom surface of the cam and the upper surface of the annular boss of the rotating shaft; the upper surface of the joint gear is a joint surface which is used for being clamped with the operation plate, and the joint surface is bevel teeth; the ratchet wheel is used for being matched with the stop piece; the cam is provided with more than three extending parts which are odd.
4. The circuit-switching transmission system as claimed in claim 3, wherein said protrusions are five.
5. The transmission system capable of realizing circuit conversion according to claim 3, wherein the transmission system further comprises a cotter pin, and the operation plate is mounted at the end of the rotating shaft through the cotter pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111005183.2A CN113963965A (en) | 2021-08-30 | 2021-08-30 | Transmission system capable of realizing circuit conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111005183.2A CN113963965A (en) | 2021-08-30 | 2021-08-30 | Transmission system capable of realizing circuit conversion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113963965A true CN113963965A (en) | 2022-01-21 |
Family
ID=79460576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111005183.2A Pending CN113963965A (en) | 2021-08-30 | 2021-08-30 | Transmission system capable of realizing circuit conversion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113963965A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311038A (en) * | 2013-06-13 | 2013-09-18 | 姜全海 | Small-size modularized operating mechanism |
| CN103337387A (en) * | 2013-06-27 | 2013-10-02 | 北京北机机电工业有限责任公司 | Circuit conversion operating device |
| DE102013224953A1 (en) * | 2013-12-05 | 2015-06-11 | Siemens Aktiengesellschaft | Switchgear drive device |
| CN106992089A (en) * | 2017-05-31 | 2017-07-28 | 西安青合机电有限公司 | A kind of trigger |
-
2021
- 2021-08-30 CN CN202111005183.2A patent/CN113963965A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311038A (en) * | 2013-06-13 | 2013-09-18 | 姜全海 | Small-size modularized operating mechanism |
| CN103337387A (en) * | 2013-06-27 | 2013-10-02 | 北京北机机电工业有限责任公司 | Circuit conversion operating device |
| DE102013224953A1 (en) * | 2013-12-05 | 2015-06-11 | Siemens Aktiengesellschaft | Switchgear drive device |
| CN106992089A (en) * | 2017-05-31 | 2017-07-28 | 西安青合机电有限公司 | A kind of trigger |
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