CN206973023U - Easily reset smoke-exhaust fire valve actuating mechanism - Google Patents
Easily reset smoke-exhaust fire valve actuating mechanism Download PDFInfo
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- CN206973023U CN206973023U CN201720595171.2U CN201720595171U CN206973023U CN 206973023 U CN206973023 U CN 206973023U CN 201720595171 U CN201720595171 U CN 201720595171U CN 206973023 U CN206973023 U CN 206973023U
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- bottom plate
- ratchet
- shift fork
- lever construction
- smoke
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Abstract
Smoke-exhaust fire valve actuating mechanism is resetted the utility model discloses easy, including bottom plate, the lower section of bottom plate is provided with the claw being connected with anti-fire smoke expelling valve, the ratchet and spanner being fixedly connected by main shaft with claw are sequentially provided with above bottom plate, main shaft torsion spring is provided between bottom plate and ratchet, the right side of ratchet is provided with the shift fork with ratchet, the right side of shift fork is provided with shift fork extension spring, the left side of ratchet is provided with electromagnet apparatus, the rear of electromagnet apparatus is provided with lever construction, the right-hand member of lever construction is provided with the groove being adapted to the upper end of shift fork, the rear of lever construction is provided with to re-pack through the heat detector of bottom plate and reset, reset re-packs to be connected by reset tension spring with bottom plate.The utility model is designed reasonably; it is simple in construction; ratchet will not cause to wear when rotating to electromagnet apparatus charging connection wire, various ways operation, it is ensured that when fire occurs; device action can trigger; and it is more practical, durable, installation is more time saving and energy saving; and can repeatedly use, increase the service life.
Description
Technical field
The utility model belongs to fire prevention accessory technical field, and in particular to easily resets smoke-exhaust fire valve actuating mechanism.
Background technology
Fire resisting damper in ventilating system is discharged outdoor and interior is blown to guiding smog temporarily in fire
Critical component, the fire resisting damper in traditional ventilating system drive fire resisting damper to open using temperature sense.But this side
Formula is simultaneously imperfect, and also there is defect for it.In real scene of fire, the temperature only near fire resisting damper reaches design temperature
When fire resisting damper could open carry out smoke-discharging and ventilating, and now interior has been filled with cigarette, because smoke-discharging and ventilating is not prompt enough, not only
Personnel escape to interior causes difficulty and also adds difficulty to rescue work.In addition, in some special places, interior can
The situation of pernicious gas leakage can occur, now without the elevated phenomenon of temperature, traditional ventilating system fire resisting damper is naturally also
It would not open, will not also carry out smoke evacuation automatically and change wind work.
Utility model content
The purpose of this utility model, which is to provide, easily resets smoke-exhaust fire valve actuating mechanism, to solve in above-mentioned background technology
The problem of proposed.
To achieve the above object, the utility model provides following technical scheme：Smoke-exhaust fire valve actuating mechanism is easily resetted, its
Structural feature is：Including bottom plate, the lower section of bottom plate is provided with the claw being connected with anti-fire smoke expelling valve, and the top of bottom plate is set successively
There are the ratchet and spanner being fixedly connected by main shaft with claw, main shaft torsion spring is provided between bottom plate and ratchet, is set on the right side of ratchet
There is the shift fork with ratchet, and the lower end of shift fork is flexibly connected with bottom plate, the right side of shift fork is provided with shift fork extension spring, and the one of shift fork extension spring
End is connected with shift fork, and the other end is fixedly connected with bottom plate, and the left side of ratchet is provided with electromagnet apparatus, the rear of electromagnet apparatus
Provided with lever construction, lever construction is flexibly connected by screw with bottom plate, and the distance of the wherein left end of lever construction to screw is small
In lever construction right-hand member to the distance of screw, the right-hand member of lever construction is provided with the groove being adapted to the upper end of shift fork, lever knot
The rear of structure is provided with to be re-packed through the heat detector of bottom plate and reset, and reset re-packs to be connected by reset tension spring with bottom plate.
As preferable, the outside of bottom plate is provided with the connecting groove electrically connected with electromagnet apparatus.
As preferable, the wherein half of ratchet is smooth edge, and second half carries several gear teeth.
As preferable, the anglec of rotation of spanner is 0-90 degree.
As preferable, the left end of lever construction is located at the outside of bottom plate.
As preferable, heat detector is flexibly connected with bottom plate.
Compared with prior art, the utility model is designed reasonably, simple in construction, ratchet will not be to electromagnet apparatus when rotating
Charging connection wire causes to wear, various ways operation, it is ensured that when fire occurs, device action can trigger, and more practical, resistance to
With installation is more time saving and energy saving, and can repeatedly use, and increases the service life.
Brief description of the drawings
Fig. 1 is top view of the present utility model；
Fig. 2 is front view of the present utility model；
In figure：1- bottom plates, 2- claws, 3- main shafts, 4- ratchets, 5- spanners, 6- main shaft torsion springs, 7- ratchets, 8- shift forks, 9- are dialled
Extension spring is pitched, 10- electromagnet apparatus, 11- lever constructions, 12- grooves, 13- heat detectors, 14-, which resets, to re-pack, 15- reset tension springs,
16- connecting grooves.
Embodiment
Explanation is further explained to the utility model below in conjunction with the accompanying drawings, but does not limit protection model of the present utility model
Enclose.
, it is necessary to explanation, term " on ", " under ", "left", "right", " interior ", " outer " etc. in description of the present utility model
The orientation or position relationship of instruction are based on orientation shown in the drawings or position relationship, are for only for ease of description the utility model
Described with simplifying, rather than the device or element of instruction or hint meaning there must be specific orientation, with specific orientation structure
Make and operate, therefore it is not intended that to limitation of the present utility model.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme, easily resets smoke-exhaust fire valve actuating mechanism, including
Bottom plate 1, the lower section of described bottom plate 1 are provided with the claw 2 being connected with anti-fire smoke expelling valve, and the top of described bottom plate 1 is set successively
There are the ratchet 4 and spanner 5 being fixedly connected by main shaft 3 with claw 2, main shaft torsion spring 6 be provided between described bottom plate 1 and ratchet 4,
The right side of described ratchet 4 is provided with the shift fork 8 with ratchet 7, and the lower end of shift fork 8 is flexibly connected with bottom plate 1, described shift fork 8
Right side be provided with shift fork extension spring 9, one end of described shift fork extension spring 9 is connected with shift fork 8, and the other end is fixedly connected with bottom plate 1,
The left side of described ratchet 4 is provided with electromagnet apparatus 10, and the rear of described electromagnet apparatus 10 is provided with lever construction 11, described
Lever construction 11 be flexibly connected by screw with bottom plate 1, wherein the distance of the left end of lever construction 11 to screw is less than lever
For the right-hand member of structure 11 to the distance of screw, the right-hand member of described lever construction 11 is provided with the groove 12 being adapted to the upper end of shift fork 8,
The rear of described lever construction 11 is provided with re-packs 14 through the heat detector 13 of bottom plate 1 and reset, and described reset re-packs 14 logical
Reset tension spring 15 is crossed with bottom plate 1 to be connected.
Wherein, in the present embodiment, the outside of described bottom plate 1 is provided with the connecting groove electrically connected with electromagnet apparatus 10
16。
Wherein, in the present embodiment, the wherein half of described ratchet 4 is smooth edge, and second half carries several gear teeth,
Ratchet 4 will not cause to wear to miscellaneous equipment and electric wire etc. when rotated.
Wherein, in the present embodiment, the anglec of rotation of described spanner 5 is 0-90 degree.
Wherein, in the present embodiment, the left end of described lever construction 11 is located at the outside of bottom plate 1, convenient to equipment
Hand brake.
Wherein, in the present embodiment, described heat detector 13 is flexibly connected with bottom plate 1.
Operation principle of the present utility model：During original state, ratchet 4 and ratchet 7 do not engage, and shift fork 8 is in shift fork extension spring 9
The pulling force bottom to the right, be now normally off, pull shift fork 8, the clamping of groove 12 with lever construction 11, now spine to the left
Wheel 4 and ratchet 7 are engaged, and ratchet 4, which can only be done, unidirectionally to be rotated counterclockwise, and now with 90 degree of spanner rotating spindle rotate counterclockwise, is entered
Enter working condition.
Being changed into open mode from normally off has three kinds of trigger conditions：First, when local environment temperature reaches 70 DEG C,
Heat detector 13 acts, depart from bottom plate 1, reset re-pack 12 in the presence of reset tension spring 15 hit lever construction 11 left end, make
The right-hand member of lever construction 11 is upspring, shift fork 8 shift fork extension spring 9 the pulling force effect bottom to the right, ratchet 4 and ratchet 7 are become by engagement
For released state, the dextrorotation in the presence of main shaft torsion spring 6 of ratchet 4 is turn 90 degrees, and drives claw 2 to be rotated by 90 ° simultaneously, with card
The smoke exhaust fire damper that pawl 2 is connected does corresponding actions；Secondth, external power supply is electrically connected by connecting groove 16 and electromagnet apparatus 10
Connect, after electromagnet is powered, adsorbs the left end of lever construction 11, flick the right-hand member of lever construction 11, shift fork 8 is flapped toward right side, spine
The dextrorotation in the presence of main shaft torsion spring 6 of wheel 4 is turn 90 degrees, and drives claw 2 to be rotated by 90 ° simultaneously, the row being connected with claw 2
Cigarette fire resisting damper does corresponding actions；3rd, the left part of lever construction 11 is pulled counterclockwise, can also make the right-hand member of lever construction 11
Flick, shift fork 8 is flapped toward right side, and the dextrorotation in the presence of main shaft torsion spring 6 of ratchet 4 is turn 90 degrees, and drives claw 2 to rotate simultaneously
90 degree, the smoke exhaust fire damper being connected with claw 2 does corresponding actions.
The utility model is designed reasonably, simple in construction, ratchet will not cause when rotating to electromagnet apparatus charging connection wire
Abrasion, various ways operation, it is ensured that when fire occurs, device action can trigger, and more practical, durable, and installation is more time saving
It is laborsaving, and can repeatedly use, increase the service life.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model, any reference in claim should not be considered as into limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (6)
1. easily reset smoke-exhaust fire valve actuating mechanism, it is characterised in that：Including bottom plate, the lower section of described bottom plate is provided with and fire prevention
The claw that exhaust smoke valve is connected, the ratchet being fixedly connected by main shaft with claw is sequentially provided with above described bottom plate and is pulled
Hand, is provided with main shaft torsion spring between described bottom plate and ratchet, the right side of described ratchet is provided with the shift fork with ratchet, and shift fork
Lower end is flexibly connected with bottom plate, and the right side of described shift fork is provided with shift fork extension spring, one end and the shift fork phase of described shift fork extension spring
Connection, the other end is fixedly connected with bottom plate, and the left side of described ratchet is provided with electromagnet apparatus, after described electromagnet apparatus
Side is provided with lever construction, and described lever construction is flexibly connected by screw with bottom plate, wherein the left end of lever construction to screw
Distance be less than the right-hand member of lever construction and arrive the distance of screw, the right-hand member of described lever construction with the upper end of shift fork provided with being adapted to
Groove, the rear of described lever construction is provided with to be re-packed through the heat detector of bottom plate and reset, and described reset, which re-packs, to be passed through
Reset tension spring is connected with bottom plate.
2. according to claim 1 easily reset smoke-exhaust fire valve actuating mechanism, it is characterised in that：The outside of described bottom plate
Provided with the connecting groove electrically connected with electromagnet apparatus.
3. according to claim 1 easily reset smoke-exhaust fire valve actuating mechanism, it is characterised in that：Described ratchet is wherein
Half is smooth edge, and second half carries several gear teeth.
4. according to claim 1 easily reset smoke-exhaust fire valve actuating mechanism, it is characterised in that：The rotation of described spanner
Angle is 0-90 degree.
5. according to claim 1 easily reset smoke-exhaust fire valve actuating mechanism, it is characterised in that：Described lever construction
Left end is located at the outside of bottom plate.
6. according to claim 1 easily reset smoke-exhaust fire valve actuating mechanism, it is characterised in that：Described heat detector and bottom
Plate is flexibly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720595171.2U CN206973023U (en) | 2017-05-17 | 2017-05-17 | Easily reset smoke-exhaust fire valve actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720595171.2U CN206973023U (en) | 2017-05-17 | 2017-05-17 | Easily reset smoke-exhaust fire valve actuating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206973023U true CN206973023U (en) | 2018-02-06 |
Family
ID=61410939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720595171.2U Active CN206973023U (en) | 2017-05-17 | 2017-05-17 | Easily reset smoke-exhaust fire valve actuating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206973023U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112205136A (en) * | 2020-10-21 | 2021-01-12 | 梁文雯 | High-efficient transplanter that equidistant planting of rice seedling |
-
2017
- 2017-05-17 CN CN201720595171.2U patent/CN206973023U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112205136A (en) * | 2020-10-21 | 2021-01-12 | 梁文雯 | High-efficient transplanter that equidistant planting of rice seedling |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230921 Address after: 061500 North side of Weiqi Road, Wumaying Industrial Park, Nanpi Economic Development Zone, Nanpi County, Cangzhou City, Hebei Province Patentee after: Nanpi Aotian Hardware Products Co.,Ltd. Address before: No. 24, Lane 3, Tongxing South Street Community, Jianshe Street, Nanpi Town, Nanpi County, Cangzhou City, Hebei Province, 061500 Patentee before: Sun Zhifeng |