CN109920686B - Rotary starting device - Google Patents
Rotary starting device Download PDFInfo
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- CN109920686B CN109920686B CN201910304492.6A CN201910304492A CN109920686B CN 109920686 B CN109920686 B CN 109920686B CN 201910304492 A CN201910304492 A CN 201910304492A CN 109920686 B CN109920686 B CN 109920686B
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- guide groove
- trigger rod
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- 230000009466 transformation Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The invention discloses a rotary starting device which comprises a rotary rod and a trigger rod, wherein a plurality of annular guide grooves are sequentially formed in the circumferential direction of the rotary rod, one end of the trigger rod is arranged in the guide grooves, the other end of the trigger rod faces to a contact switch at the outer side, a smooth part and a convex part are arranged in each guide groove, after the rotary rod rotates, one end of the trigger rod in the guide grooves passes through the smooth part and the convex part respectively, the other end of the trigger rod completes the extension or retraction transformation, the positions of the convex parts in each guide groove are different, the extension or retraction conditions of the trigger rods positioned in the guide grooves after the rotary rod rotates are different, and therefore extension or retraction combination of different stations of the trigger rods is realized. The invention can realize the switch combination of various emergency starting devices through a mechanical structure, does not need electric power assistance, is convenient and reliable to operate, and has good synchronism.
Description
Technical Field
The invention relates to the field of fire water supply, in particular to a mechanical rotary starting device of fire water supply equipment.
Background
In order to reasonably design a fire-fighting water supply and fire hydrant system, ensure construction quality, standardize acceptance and maintenance management, reduce fire hazard, protect personal and property safety, and state make technical Specification for fire-fighting water supply and fire hydrant systems GB50974-2014.
In the above specification, page 71, 11.0.12 requires that each control machine must be equipped with a mechanical emergency starting device, and a low-power direct mechanical emergency device is simpler, but a high-power step-down mechanical emergency device is more complex in design for preventing safety accidents such as leakage and electric shock, and is generally a power supply auxiliary structure, and when electric power has a problem, the device cannot be used, and becomes a furnishing.
The mechanical emergency starting device in the prior art triggers a single switch for a single button or knob, but in actual use, three mechanical emergency starting conditions exist:
a single button or knob activates a single emergency device, respectively;
two buttons or at the knob start the emergency device at the same time;
three buttons or knobs simultaneously activate the emergency device;
disclosure of Invention
The invention aims to solve the technical problem of providing a rotary starting device, which can realize the switch combination of various emergency starting devices through a mechanical structure, does not need electric power assistance, is convenient and reliable to operate and has good synchronism.
The invention provides a rotary starting device, which comprises a rotary rod and a trigger rod, wherein a plurality of annular guide grooves are sequentially formed in the circumferential direction of the rotary rod, one end of the trigger rod is arranged in the guide grooves, the other end of the trigger rod faces to the outside of a contact switch, a smooth part and a convex part are arranged in each guide groove, after the rotary rod rotates, one end of the trigger rod in the guide grooves passes through the smooth part and the convex part respectively, the other end of the trigger rod completes the extension or retraction transformation, the positions of the convex parts in each guide groove are different, the extension and retraction conditions of the trigger rods in the guide grooves are different after the rotary rod rotates, and thus the extension or retraction combination of different stations of the trigger rods is realized
In a preferred embodiment of the invention, the rotary rod further comprises three annular guide grooves which are sequentially a first guide groove, a second guide groove and a third guide groove, wherein a first trigger rod is arranged in the first guide groove, a second trigger rod is arranged in the second guide groove, a third trigger rod is arranged in the third guide groove, the first trigger rod is directly arranged in the first guide groove, one end of the first trigger rod is jacked by a protruding part, the other end of the trigger rod extends out, reversing fulcrums are respectively arranged on the second trigger rod and the third trigger rod, one end of the second trigger rod is jacked by the protruding part, the other end of the second trigger rod is retracted under the action of the reversing fulcrums, one end of the third trigger rod is jacked by the protruding part, and the other end of the third trigger rod is retracted under the action of the reversing fulcrums.
In a preferred embodiment of the present invention, the first trigger lever, the second trigger lever and the third trigger lever are all in a retracted state.
In a preferred embodiment of the present invention, any one of the first trigger lever, the second trigger lever and the third trigger lever is extended individually.
In a preferred embodiment of the present invention, any two trigger levers of the first trigger lever, the second trigger lever and the third trigger lever are extended in a combined manner.
In a preferred embodiment of the present invention, the first trigger lever, the second trigger lever, and the third trigger lever are all in an extended state.
In a preferred embodiment of the present invention, the trigger further comprises a sliding ball disposed at one end of the trigger rod disposed in the guide groove.
In a preferred embodiment of the invention, the invention further comprises a shell, wherein the shell comprises a bottom plate, a containing plate and a cover plate which are arranged in a split way, the rotating rod and the trigger rod are both arranged on the containing plate, and a through hole for the end parts of the rotating rod and the trigger rod to pass through is arranged on the side surface of the containing plate
In a preferred embodiment of the present invention, the base plate is further provided with a limit card, the bottom of the rotating rod is provided with a limit slot, one side of the limit slot is an inclined plane, and one side of the limit slot is a step, and the limit card is clamped into the limit slot so that the rotating rod can only rotate in one direction.
In a preferred embodiment of the present invention, a rotating handle is further provided at an end of the rotating rod protruding from the housing.
The invention has the beneficial effects that:
firstly, through the ingenious setting of rotary rod and trigger lever, realize single rotary rod rotation, the extension and the withdrawal combination of different trigger levers of drive, the action is synchronous, easy operation accords with national standard completely, compare with current a plurality of knobs or buttons, the operation is more convenient quick to can set up the position of recess according to the service condition, set up trigger lever complex order, only need rotate a knob just can accomplish emergency starting drive's opening, need not judge the operation steps of a plurality of knobs or buttons.
The second device and the whole device are of mechanical structures, are simple to operate, do not need electric energy, and cannot be driven, so that the use safety is effectively guaranteed.
Drawings
FIG. 1 is an exploded view of the structure of the present invention;
fig. 2 is a schematic structural view of a rotary lever of the present invention.
The reference numerals in the figures illustrate: 1. a rotating rod; 2. a trigger lever; 201. a first trigger lever; 202. a second trigger lever; 203. a third trigger lever; 3. a guide groove; 301. a first guide groove; 302. a second guide groove; 303. a third guide groove; 4. a smoothing section; 5. a boss; 6. a reversing fulcrum; 7. sliding ball head; 8. a bottom plate; 9. an accommodating plate; 10. a cover plate; 11. a through hole; 12. a limit clamping groove; 13. a limit card; 14. the handle is rotated.
Description of the embodiments
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
Referring to fig. 1-2, an embodiment of a rotation starting device includes a rotating rod 1 and a trigger rod 2, a plurality of annular guiding grooves 3 are sequentially formed in the circumferential direction of the rotating rod 1, one end of the trigger rod 2 is disposed in each guiding groove 3, a contact switch facing the outer side of the other end of the trigger rod 2 is disposed in each guiding groove 3, a smooth portion 4 and a protruding portion are disposed in each guiding groove 3, after the rotating rod 1 rotates, one end of the trigger rod 2 in each guiding groove 3 passes through the smooth portion 4 and the protruding portion 5, the other end of the trigger rod 2 completes the extending or retracting transformation, the protruding portions 5 in each guiding groove 3 are located at different positions, the extending and retracting conditions of the trigger rods 2 located in the plurality of guiding grooves 3 after the rotating rod 1 are different, and accordingly extending or retracting combinations of different stations of the trigger rods 2 are achieved.
According to the number of the contact switches, three annular guide grooves 3 are formed in the rotary rod 1, namely a first guide groove 301, a second guide groove 302 and a third guide groove 303 are formed in sequence, a first trigger rod 201 is arranged in the first guide groove 301, a second trigger rod 202 is arranged in the second guide groove 302, a third trigger rod 203 is arranged in the third guide groove 303, the first trigger rod 201 is directly arranged in the first guide groove 301, one end of the first trigger rod 201 is jacked by a protruding portion 5, the other end of the trigger rod 2 extends out, reversing fulcra 6 are respectively arranged on the second trigger rod 202 and the third trigger rod 203, one end of the second trigger rod 202 is jacked by the protruding portion 5, the other end of the second trigger rod 202 is retracted under the action of the reversing fulcra 6, one end of the third trigger rod 203 is jacked by the protruding portion 5, and the other end of the third trigger rod 203 is retracted under the action of the reversing fulcra 6.
According to the above-described rotation starting device, when the first trigger lever 201 is in the first guide groove 301, the rotating lever 1 is rotated to slide the first trigger lever 201 with respect to the first guide groove 301, the other end of the first trigger lever 201 is extended when the first trigger lever 201 slides to the boss 5 on the first guide groove 301, and the other end of the first trigger lever 201 is retracted when the first trigger lever 201 slides to the smooth portion 4 on the first guide groove 301; when the second trigger lever 202 is positioned in the second guide groove 302, the rotary rod 1 is rotated to enable the second trigger lever 202 to slide relative to the second guide groove 302, when the second trigger lever 202 slides to the protruding part 5 on the second guide groove 302, the other end of the second trigger lever 202 is retracted under the action of the reversing fulcrum 6 according to the structural principle of the lever, and when the second trigger lever 202 slides to the smooth part 4 on the second guide groove 302, the other end of the second trigger lever 202 is extended; the third trigger lever 203 is also provided with a reversing fulcrum 6, so that the motion track of the third trigger lever 203 is the same as the motion track of the second trigger lever 202, when the third trigger lever 203 is positioned in the third guide groove 303, the rotating rod 1 is rotated to enable the third trigger lever 203 to slide relative to the third guide groove 303, when the third trigger lever 203 slides to the protruding part 5 on the third guide groove 303, under the action of the reversing fulcrum 6, according to the structural principle of a lever, the other end of the third trigger lever 203 is retracted, and when the third trigger lever 203 slides to the smooth part 4 on the third guide groove 303, the other end of the third trigger lever 203 extends.
According to the movement conditions of the first trigger lever 201, the second trigger lever 202 and the third trigger lever 203, there are eight combined movement modes of the three trigger levers 2.
First mode of combined motion: the first trigger lever 201, the second trigger lever 202 and the third trigger lever 203 are all in a retracted state, the first trigger lever 201 is located at the smooth portion 4 in the first guiding groove 301, the second trigger lever 202 is located at the protruding portion 5 in the second guiding groove 302, and the third trigger lever 203 is located at the protruding portion 5 in the third guiding groove 303.
The second mode of combined motion: any one of the first trigger lever 201, the second trigger lever 202, and the third trigger lever 203 is extended individually, when the first trigger lever 201 is extended individually, the first trigger lever 201 is located at the protrusion 5 in the first guiding groove 301, the second trigger lever 202 is located at the protrusion 5 in the second guiding groove 302, and the third trigger lever 203 is located at the protrusion 5 in the third guiding groove 303; when the second trigger lever 202 is extended alone, the first trigger lever 201 is located at the smooth portion 4 in the first guide groove 301, the second trigger lever 202 is located at the smooth portion 4 in the second guide groove 302, and the third trigger lever 203 is located at the convex portion 5 in the third guide groove 303; when the third trigger lever 203 is extended alone, the first trigger lever 201 is positioned at the smooth portion 4 in the first guide groove 301, the second trigger lever 202 is positioned at the convex portion 5 in the second guide groove 302, and the third trigger lever 203 is positioned at the smooth portion 4 in the third guide groove 303.
Third mode of combined motion: any two trigger rods 2 of the first trigger rod 201, the second trigger rod 202 and the third trigger rod 203 are extended in a combined manner, when the first trigger rod 201 and the second trigger rod 202 are extended, the first trigger rod 201 is positioned at the protruding part 5 in the first guiding groove 301, the second trigger rod 202 is positioned at the smooth part 4 in the second guiding groove 302, and the third trigger rod 203 is positioned at the protruding part 5 in the third guiding groove 303; when the first trigger lever 201 and the third trigger lever 203 are extended, the first trigger lever 201 is located at the protrusion 5 in the first guiding groove 301, the second trigger lever 202 is located at the protrusion 5 in the second guiding groove 302, and the third trigger lever 203 is located at the smooth portion 4 in the third guiding groove 303; when the second trigger lever 202 and the third trigger lever 203 are extended, the first trigger lever 201 is positioned at the smooth portion 4 in the first guiding groove 301, the second trigger lever 202 is positioned at the smooth portion 4 in the second guiding groove 302, and the third trigger lever 203 is positioned at the smooth portion 4 in the third guiding groove 303.
Fourth mode of combined motion: the first trigger lever 201, the second trigger lever 202 and the third trigger lever 203 are all in an extended state, the first trigger lever 201 is located at the convex portion 5 in the first guiding groove 301, the second trigger lever 202 is located at the smooth portion 4 in the second guiding groove 302, and the third trigger lever 203 is located at the smooth portion 4 in the third guiding groove 303.
According to the starting condition of actual emergency equipment, trigger lever 2 combinations when can setting up different stations, like current fire emergency equipment, be provided with three trigger switch, under the condition of not starting emergency equipment, three trigger switch all is in the state of disconnection, when the emergency takes place, when needs start emergency equipment, should open first trigger switch and second touch switch earlier, the condition that the state of opening at first touch switch was unchangeable is to, close the second trigger switch again, open the third trigger switch, when emergency state is finished, equipment resets, three contact switch returns to the off state again.
The rotary starting device is arranged according to the emergency equipment:
the emergency equipment comprises three working states, three working positions are arranged corresponding to the rotating rod 1, the rotating angle of each working position is 120 degrees, the three working positions are sequentially changed through rotating the rotating rod 1, the first working position is the first trigger rod 201, the second trigger rod 202 and the third trigger rod 203, the first working position is the initial position of the emergency equipment, the rotating rod 1 reaches the second working position by 120 degrees, the second working position is the first trigger rod 201 and the second trigger rod 202 which extend, the third trigger rod 203 is retracted, the rotating rod 1 reaches the third working position by 120 degrees again, the third working position is the first trigger rod 201 and the third trigger rod 203 which extend, the second trigger rod 202 is retracted, and then the rotating rod 1 returns to the first working position again by 120 degrees again, so that the process from closing to starting to closing is completed.
Specifically, be provided with slip bulb 7 on setting up the triggering lever 2 one end in guide groove 3, slip bulb 7 is in slide in the guide groove 3 prevents to scratch in triggering lever 2 in the gliding in-process of guide groove 3, increases the rotatory resistance of rotary rod 1, also is favorable to the long-term use of this device simultaneously.
Specifically, the rotary starting device further comprises a shell, the shell comprises a bottom plate 8, a containing plate 9 and a cover plate 10 which are arranged in a split mode, the bottom plate 8, the containing plate 9 and the cover plate 10 are locked together through bolts, the rotary rod 1 and the trigger rod 2 are arranged on the containing plate 9, through holes 11 for the end parts of the rotary rod 1 and the trigger rod 2 to penetrate through are formed in the side face of the containing plate 9, one through hole 11 for the end part of the rotary rod 1 to penetrate through is formed in one side of the containing plate 9, and three through holes 11 for the end part of the trigger rod 2 to penetrate through are formed in the other side of the containing plate.
Specifically, be provided with spacing card 13 on the bottom plate, rotary rod 1 bottom is provided with spacing draw-in groove 12, spacing draw-in groove 12 one side is the inclined plane, and one side is echelonment, spacing card 13 card is gone into spacing draw-in groove 12, works as when rotary rod 1 receives clockwise rotation force, spacing card 13 is passed through the inclined plane, rotary rod 1 can rotate, works as when rotary rod 1 receives anticlockwise rotation force, spacing card supports on the ladder face, rotary rod 1 can not rotate, sets up like this and prevents that trigger lever 2 from taking place to kick-back after touching trigger switch.
Specifically, the end of the rotary rod 1 protruding from the housing is provided with a rotary handle 14, which is convenient for the user to operate.
In other embodiments, more guide grooves 3 may be provided according to the number of contact switches, and more trigger bars 2 may be provided on the guide grooves 3.
The above-described embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present invention, and are intended to be within the scope of the present invention. The protection scope of the invention is subject to the claims.
Claims (8)
1. The rotary starting device is characterized by comprising a rotary rod and a trigger rod, wherein a plurality of annular guide grooves are sequentially formed in the circumferential direction of the rotary rod, one end of the trigger rod is arranged in the guide grooves, a sliding ball head is arranged at one end of the trigger rod arranged in the guide grooves, a contact switch with the other end of the trigger rod facing to the outer side is arranged in each guide groove, a smooth part and a protruding part are arranged in each guide groove, after the rotary rod rotates, one end of the trigger rod in the guide groove passes through the smooth part and the protruding part respectively, the other end of the trigger rod completes the extension or retraction transformation, the protruding parts in each guide groove are different in position, the trigger rods in the guide grooves are different in extension and retraction after the rotary rod is rotated, and therefore extension or retraction combination of different stations of the trigger rods is realized;
three annular guide grooves are formed in the rotating rod, the three annular guide grooves are sequentially formed in the first guide groove, the second guide groove and the third guide groove, a first trigger rod is arranged in the first guide groove, a second trigger rod is arranged in the second guide groove, a third trigger rod is arranged in the third guide groove, the first trigger rod is directly arranged in the first guide groove, the protruding portion is used for jacking one end of the first trigger rod, the other end of the first trigger rod extends out, reversing fulcrums are respectively arranged on the second trigger rod and the third trigger rod, the protruding portion is used for jacking one end of the second trigger rod, the other end of the second trigger rod moves and retracts under the action of the reversing fulcrums, the protruding portion is used for jacking one end of the third trigger rod, and the other end of the third trigger rod moves and retracts under the action of the reversing fulcrums.
2. The rotary actuator of claim 1, wherein in the first combined motion, the first trigger lever, the second trigger lever, and the third trigger lever are all in a retracted state.
3. The rotary actuator of claim 1, wherein in the second combined motion, any one of the first, second, and third trigger levers is extended independently.
4. The rotary actuator of claim 1, wherein in the third combined motion, any two of the first, second, and third trigger levers are extended in combination.
5. The rotary actuator of claim 1, wherein in the fourth combined motion, the first trigger lever, the second trigger lever, and the third trigger lever are all in an extended state.
6. The rotary starting device according to claim 1, further comprising a housing, wherein the housing comprises a bottom plate, a containing plate and a cover plate which are arranged in a split mode, the rotary rod and the trigger rod are arranged on the containing plate, and a through hole for the end portions of the rotary rod and the trigger rod to pass through is formed in the side face of the containing plate.
7. The rotary starting device according to claim 6, wherein a limit card is arranged on the bottom plate, a limit clamping groove is arranged at the bottom of the rotary rod, one side of the limit clamping groove is an inclined surface, the other side of the limit clamping groove is in a step shape, and the limit card is clamped into the limit clamping groove so that the rotary rod can only rotate in one direction.
8. The rotation starting apparatus according to claim 6, wherein the end of the rotating lever protruding from the housing is provided with a rotating handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910304492.6A CN109920686B (en) | 2019-04-16 | 2019-04-16 | Rotary starting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910304492.6A CN109920686B (en) | 2019-04-16 | 2019-04-16 | Rotary starting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109920686A CN109920686A (en) | 2019-06-21 |
| CN109920686B true CN109920686B (en) | 2024-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910304492.6A Active CN109920686B (en) | 2019-04-16 | 2019-04-16 | Rotary starting device |
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| Country | Link |
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| CN (1) | CN109920686B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204270903U (en) * | 2014-12-05 | 2015-04-15 | 今创集团股份有限公司 | The reverse trigger equipment of a kind of travel switch |
| CN106992080A (en) * | 2017-05-02 | 2017-07-28 | 苏州市晔达给水设备有限公司 | A kind of fire-fighting star triangle pressure reducing mechanical emergency starting device |
| CN209729799U (en) * | 2019-04-16 | 2019-12-03 | 苏州市晔达给水设备有限公司 | A kind of rotation starter |
-
2019
- 2019-04-16 CN CN201910304492.6A patent/CN109920686B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204270903U (en) * | 2014-12-05 | 2015-04-15 | 今创集团股份有限公司 | The reverse trigger equipment of a kind of travel switch |
| CN106992080A (en) * | 2017-05-02 | 2017-07-28 | 苏州市晔达给水设备有限公司 | A kind of fire-fighting star triangle pressure reducing mechanical emergency starting device |
| CN209729799U (en) * | 2019-04-16 | 2019-12-03 | 苏州市晔达给水设备有限公司 | A kind of rotation starter |
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| Publication number | Publication date |
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| CN109920686A (en) | 2019-06-21 |
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