CN205064972U - A fire prevention valve for lampblack absorber flue - Google Patents
A fire prevention valve for lampblack absorber flue Download PDFInfo
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- CN205064972U CN205064972U CN201520807525.6U CN201520807525U CN205064972U CN 205064972 U CN205064972 U CN 205064972U CN 201520807525 U CN201520807525 U CN 201520807525U CN 205064972 U CN205064972 U CN 205064972U
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Abstract
The utility model provides a fire prevention valve for lampblack absorber flue, the flue switching that includes the fire prevention valve body and install on the fire prevention valve body is personally experienced sth. Part of the body, install the valve body pivoted fire prevention valve block of to prevent fires relatively on the fire prevention valve body, its characterized in that installs the fixed bolster on the fire prevention valve body, install elastic component and positive closing piece on the fixed bolster, still install the fusing subassembly on the fire prevention valve body, at the fusing subassembly not under the fusing state, the positive closing piece is spacing in fusing on the subassembly and break away from the fire prevention valve block, be in under the fusing state at the fusing subassembly, the positive closing piece breaks away from the fusing subassembly and positive closing fire prevention valve block under the effect of elastic component. The utility model has the advantages of: this fire prevention valve is at fusing subassembly not under the fusing state, and the positive closing piece is spacing on the fusing subassembly and break away from the fire prevention valve block, under fusing subassembly fusing state, the positive closing piece fusing subassembly breaks away from and under the effect of elastic component positive closing fire prevention valve block, the overall structure of fire prevention valve is simple, job stabilization nature is high.
Description
Technical field
The utility model relates to a kind of fire-closing valve, especially relates to a kind of fire-closing valve for kitchen ventilator flue.
Background technique
In the kitchen using longitudinally public gas flue, in order to prevent the oil smoke in gas flue from blowing back in kitchen, at the device be all provided with between the mouth of pipe and public gas flue as check valve for flue of giving vent to anger of range hood.Existing check valve for flue generally comprises the oil smoke passage be made up of shell, this oil smoke passage has relative intake grill and exhaust outlet, intake grill connects the mouth of pipe of giving vent to anger of range hood, exhaust outlet extend in public gas flue, at oil smoke passage exhaust outlet, place is provided with valve block able to turn on or off, and valve block is arranged on the inwall of oil smoke passage by horizontally disposed valve block axis of rotation.When not using kitchen ventilator, valve block due to self gravitation in the closed position, valve block covers at air-out oral area; When using kitchen ventilator, valve block is in an open position, and valve block is away from exhaust outlet.Due to many public public gas flues of longitudinal direction of user, once unshared housing's breaking out of fire, a large amount of high-temperature harmful gas pours in longitudinal public gas flue, if now close the valve block in check valve for flue not in time, these a large amount of high-temperature harmful gas can be entered in the user family using kitchen ventilator by the oil smoke passage of check valve for flue, thus threaten the life safety of resident family.
The various fire-proof valve structure with valve block is had in prior art, if the patent No. is " a kind of check fire valve for flue " disclosed in the Chinese invention patent application of ZL200910017260.9 (Authorization Notice No. is CN101608702A), this check fire valve for flue comprises the oil smoke passage be made up of shell, oil smoke passage has relative intake grill and exhaust outlet, valve block is provided with in oil smoke passage, valve block is the two panels be oppositely arranged, valve block is arranged in oil smoke passage by valve block rotating shaft is rotating, be provided with the block piece that two panels valve block can only be opened to exhaust outlet direction near intake grill one end in oil smoke passage, be provided with near intake grill side in oil smoke passage and intake grill is divided into the two-part connection strap longitudinally arranged, valve block rotating shaft is near connection strap, connection strap is provided with the high temperature shutoff device that can make valve block positive closing on the side of exhaust outlet.Although this fire-closing valve is worked as flue-gas temperature in public gas flue and can be closed by force under being in the very high state of emergency, and its structure is comparatively complicated, the fuse link of high temperature shutoff device changes also comparatively inconvenience
Model utility content
Technical problem to be solved in the utility model is for above-mentioned prior art present situation, provides that a kind of structure is simple, working stability is reliably for the fire-closing valve of kitchen ventilator flue.
The utility model solves the problems of the technologies described above adopted technological scheme: this is used for the fire-closing valve of kitchen ventilator flue, comprise fire prevention valve body and be arranged on the flue chovr body on fire prevention valve body, described fire prevention valve body is provided with the fire prevention valve block that can rotate relative to valve body of preventing fires, it is characterized in that: on described fire prevention valve body, fixed support is installed, described fixed support is provided with elastic component and positive closing part, described fire prevention valve body is also provided with Fuse assembly, under the non-blown state of described Fuse assembly, the spacing fire prevention valve block on Fuse assembly and described in departing from of described positive closing part, under described Fuse assembly is in blown state, described positive closing part departs from Fuse assembly and valve block of preventing fires described in positive closing under the effect of described elastic component.
Preferably, described fire prevention valve body towards the end face outside oblique outer incline from top to bottom of common duct, described fire prevention valve block relative to fire-closing valve side to opening and closing.Like this, when normally not opening kitchen ventilator, fire prevention valve block can rely on self gravitation to remain on closed condition.
Preferably, described elastic component is a torsion spring, described positive closing part is an intermediate plate, the first end of described intermediate plate is arranged on fixed support rotationally, first force side of described torsion spring is arranged on fixed support, second force side of torsion spring is arranged on the first end of described intermediate plate, and the second end of described intermediate plate matches with described Fuse assembly.Like this, once after fuse link fusing, the second end of intermediate plate just can depart from Fuse assembly, and intermediate plate just rotates under the effect of torsion spring, and and then positive closing fire prevention valve block.
Further preferably, described Fuse assembly comprises base and fuse link, and described base through screws is fixed on described fire prevention valve body, and described fuse link is welded on base.Like this, Fuse assembly structure is comparatively simple, and it is very convenient to change fuse link.
Fire prevention valve block has multiple rotation connection structure, preferably, described fire prevention valve body is provided with installation shaft support, described installation shaft support is provided with installation shaft, described installation shaft is provided with and is rotationally connected sheet, described fire prevention valve block is fixed on described being rotationally connected on sheet.
In order to carry out installation location to flue chovr body, described fire prevention valve body is provided with the fixing snap-on for location flue chovr body, the side of described flue chovr body towards fire prevention valve body is provided with the pre-buried fixed support being used for fixing flue chovr body.
Compared with prior art, the utility model has the advantage of: this fire-closing valve is under the non-blown state of Fuse assembly, positive closing part is spacing also departs from fire prevention valve block on Fuse assembly, under Fuse assembly blown state, positive closing part depart from Fuse assembly and under the effect of elastic component positive closing fire prevention valve block, the overall structure of fire-closing valve is comparatively simple, working stability is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of fire prevention valve block under Normal Shutdown state of the utility model embodiment;
Fig. 2 is the structural representation of another angle of fire-closing valve shown in Fig. 1;
Fig. 3 is the structural representation of the utility model embodiment under kitchen ventilator opening state;
Fig. 4 is the structural representation of the utility model embodiment under fire prevention valve block positive closing state.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in Figures 1 to 4, the flue chovr body 2 that the fire-closing valve for kitchen ventilator flue in the present embodiment comprises fire prevention valve body 1 and is arranged on fire prevention valve body 1, fire prevention valve body 1 is provided with the fixing snap-on 13 for location flue chovr body 2, the side of flue chovr body 2 towards fire prevention valve body 1 is provided with the pre-buried fixed support 14 being used for fixing flue chovr body 2.During installation, by fixing snap-on 13, fire-closing valve is tentatively remained on inside flue motionless, then inject pre-buried fixed support 14 by slush fire-closing valve is fixed on inside body of wall.
Fire prevention valve body 1 is towards the end face outside oblique outer incline from top to bottom of common duct, and fire prevention valve block 3 to be arranged on fire prevention valve body 1 and to adopt laterally opened structure.In the present embodiment, the rotational structure of fire prevention valve block 3 is as follows: be provided with installation shaft support 10 at the sidepiece of fire prevention valve body 1, installation shaft support 10 is provided with the vertical installation shaft 11 arranged, installation shaft 11 is provided with and is rotationally connected sheet 12, fire prevention valve block 3 is fixed on and is rotationally connected on sheet 12, thus realizes lateral opening and the closedown of fire prevention valve block 3.
Fire prevention valve body 1 is also provided with fixed support 4 and Fuse assembly, and fixed support 4, Fuse assembly and installation shaft support 10 are located at the same side of the ventilated port 1a of fire prevention valve body 1.Particularly, Fuse assembly comprises base 7 and fuse link 8, and base 7 is by the fixing fire prevention valve body 1 of screw 9, and fuse link 8 is welded on base 7.Fixed support 4 is provided with elastic component and positive closing part, in the present embodiment, elastic component adopts torsion spring 5, positive closing part adopts intermediate plate 6, the first end of intermediate plate 6 is arranged on fixed support 4 rotationally, first force side of torsion spring 5 is arranged on fixed support 4, second force side of torsion spring 5 is arranged on the first end of intermediate plate 6, second end of intermediate plate 6 matches with the fuse link 8 of Fuse assembly, namely when fuse link 8 does not fuse, fuse link 8 blocks intermediate plate 6, and after fuse link 8 fuses, fuse link 8 no longer blocks intermediate plate 6.
As depicted in figs. 1 and 2, when the kitchen ventilator of user side does not use, the fire prevention gravity of valve block 3 dependence and be in closed condition own, in addition, because fire prevention valve block 3 can compress by the blast of common duct side further, thus realizes fire prevention valve block 3 one direction shut-off.Now, fuse link 8 does not fuse, intermediate plate 6 still stuck by fuse link 8 and depart from fire prevention valve block 3.
As shown in Figure 3, in normal using process, kitchen ventilator is opened, and blows fire prevention valve block 3 and overcomes gravity own, thus make fire prevention valve block 3 be in open mode.Now, fuse link 8 does not fuse, and intermediate plate 6 is still stuck by fuse link 8 and depart from fire prevention valve block 3, and the space that flue gas opens formation by fire prevention valve block 3 is passed through smoothly.
As shown in Figure 4, after in flue, temperature reaches uniform temperature, fuse link 8 fuses and drops, thus make intermediate plate 6 no longer stuck by fuse link 8, intermediate plate 6 flicks under the effect of torsion spring 5, and intermediate plate 6 and then compressing fire prevention valve block 3 make fire prevention valve block 3 positive closing, play the effect of isolated fire.
The foregoing is only preferred implementation of the present utility model; it should be pointed out that for those of ordinary skills, do not departing under principle prerequisite of the present utility model; can carry out multiple remodeling or improvement to the utility model, these are all regarded as within protection domain of the present utility model.
Claims (6)
1. the fire-closing valve for kitchen ventilator flue, comprise fire prevention valve body (1) and be arranged on the flue chovr body (2) on fire prevention valve body, described fire prevention valve body (1) is provided with the fire prevention valve block (3) that can rotate relative to valve body of preventing fires, it is characterized in that: on described fire prevention valve body (1), fixed support (4) is installed, described fixed support (4) is provided with elastic component and positive closing part, described fire prevention valve body (1) is also provided with Fuse assembly, under the non-blown state of described Fuse assembly, the spacing fire prevention valve block (3) on Fuse assembly and described in departing from of described positive closing part, under described Fuse assembly is in blown state, described positive closing part departs from Fuse assembly and valve block (3) of preventing fires described in positive closing under the effect of described elastic component.
2. the fire-closing valve for kitchen ventilator flue according to claim 1, it is characterized in that: described fire prevention valve body (1) is towards the end face outside oblique outer incline from top to bottom of common duct, and described fire prevention valve block (3) is relative to fire prevention valve body (1) lateral opening and closedown.
3. the fire-closing valve for kitchen ventilator flue according to claim 1, it is characterized in that: described elastic component is a torsion spring (5), described positive closing part is an intermediate plate (6), the first end of described intermediate plate (6) is arranged on fixed support (4) rotationally, first force side of described torsion spring (5) is arranged on fixed support (4), second force side of torsion spring (5) is arranged on the first end of described intermediate plate (6), and the second end of described intermediate plate (6) matches with described Fuse assembly.
4. the fire-closing valve for kitchen ventilator flue according to claim 1, it is characterized in that: described Fuse assembly comprises base (7) and fuse link (8), described base (7) is by the fixing described fire prevention valve body (1) of screw (9), and described fuse link (8) is welded on base (7).
5. the fire-closing valve for kitchen ventilator flue according to claim arbitrary in Claims 1-4, it is characterized in that: on described fire prevention valve body (1), installation shaft support (10) is installed, described installation shaft support (10) is provided with installation shaft (11), described installation shaft (11) is provided with and is rotationally connected sheet (12), described fire prevention valve block (3) is fixed on described being rotationally connected on sheet (12).
6. the fire-closing valve for kitchen ventilator flue according to claim arbitrary in Claims 1-4, it is characterized in that: the fixing snap-on (13) for location flue chovr body (2) is installed on described fire prevention valve body (1), the side of described flue chovr body (2) towards fire prevention valve body is provided with the pre-buried fixed support (14) being used for fixing flue chovr body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807525.6U CN205064972U (en) | 2015-10-16 | 2015-10-16 | A fire prevention valve for lampblack absorber flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520807525.6U CN205064972U (en) | 2015-10-16 | 2015-10-16 | A fire prevention valve for lampblack absorber flue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205064972U true CN205064972U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520807525.6U Active CN205064972U (en) | 2015-10-16 | 2015-10-16 | A fire prevention valve for lampblack absorber flue |
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| Country | Link |
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| CN (1) | CN205064972U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525116A (en) * | 2017-10-11 | 2017-12-29 | 杭州老板电器股份有限公司 | Fire-preventing check valve and central cooking fume control equipment |
| CN109681680A (en) * | 2017-10-18 | 2019-04-26 | 宁波方太厨具有限公司 | A kind of monolithic valve fireproof check valve for flue |
-
2015
- 2015-10-16 CN CN201520807525.6U patent/CN205064972U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525116A (en) * | 2017-10-11 | 2017-12-29 | 杭州老板电器股份有限公司 | Fire-preventing check valve and central cooking fume control equipment |
| CN107525116B (en) * | 2017-10-11 | 2024-03-22 | 杭州老板电器股份有限公司 | Fireproof check valve and central oil smoke purifying equipment |
| CN109681680A (en) * | 2017-10-18 | 2019-04-26 | 宁波方太厨具有限公司 | A kind of monolithic valve fireproof check valve for flue |
| CN109681680B (en) * | 2017-10-18 | 2024-01-16 | 宁波方太厨具有限公司 | Fireproof check valve for flue of single-chip valve |
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| GR01 | Patent grant |