CN204436847U - The induced draft fan air door switch structure of dust collecting equipment - Google Patents
The induced draft fan air door switch structure of dust collecting equipment Download PDFInfo
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- CN204436847U CN204436847U CN201520008688.8U CN201520008688U CN204436847U CN 204436847 U CN204436847 U CN 204436847U CN 201520008688 U CN201520008688 U CN 201520008688U CN 204436847 U CN204436847 U CN 204436847U
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- damper
- connecting base
- lug boss
- draft fan
- induced draft
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Abstract
The utility model discloses a kind of induced draft fan air door switch structure of dust collecting equipment, it comprises: a connecting seat, be installed on the upper and lower two ends of connecting base first, second pipe joint and to be installed in connecting base and for the damper of through hole in first, second pipe joint isolated, on damper, symmetrical bending forming has at least two for increasing its intensity and has the lug boss of slide rail effect; Connecting base is to the position of lug boss being provided with depressed part, and the lug boss on this damper docks with the depressed part on connecting base.Lug boss on damper can strengthen the intensity of monoblock damper greatly, and has good sealing, there will not be air leakage phenomena.In addition, lug boss on damper can reduce the area of contact of whole damper and connecting base, and this lug boss has slide rail effect, so that damper slides more smooth and easy in connecting base, effectively can reduce the frictional force between damper and connecting base, can effectively improve working life of the present utility model.
Description
Technical field:
The utility model relates to induced draft fan air door switch technical field of structures, refers in particular to a kind of induced draft fan air door switch structure of dust collecting equipment.
Background technique:
Dust collection equipment is mainly used in following scope:
1, metal, woodenware processing class: grinding, cut-out etc.;
2, chemical: various powder drops into and pack operation control of dust;
3, foodstuff: various powder drops into and pack operation control of dust;
4, other classes: as electric welding smog control of dust etc.
Current dust collection equipment generally comprises: control of dust passage, motor and by the drive chain of motor driving and induced draft fan, this control of dust passage reclaims dust by induced draft fan, wherein, drive chain is provided with scraper plate, and scraper plate carries out spatula along control of dust vias inner walls under drive chain drives.Because dust can be deposited on the inwall of control of dust passage, by scraper plate, the dust on inwall is scraped.
Convenient in order to use, general installation air door switch structure in induced draft fan, this air door switch structure comprises connecting base, be installed on the first pipe joint and second pipe joint at the upper and lower two ends of this connecting base and be installed in connecting base and for through hole in isolated first pipe joint and the second pipe joint and in flat damper, that is, can realize whether being communicated with between control first pipe joint and the second pipe joint by driving damper to move back and forth.
But current damper is planar, its tow sides are all surface of contact, that is, damper tow sides all contact with connecting base, rub in movement, and frictional force is comparatively large, this damper intensity is low, and its sealing is not ideal enough, and after a long time use, be easy to the phenomenon occurring damper " stuck ".
Model utility content:
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of induced draft fan air door switch structure of dust collecting equipment.
In order to solve the problems of the technologies described above, the utility model have employed following technical proposals: the induced draft fan air door switch structure of this dust collecting equipment comprises: a connecting seat, the first pipe joint being installed on the upper and lower two ends of this connecting base and the second pipe joint and to be installed in connecting base and for the damper of through hole in isolated first pipe joint and the second pipe joint, on described damper, symmetrical bending forming has at least two for increasing its intensity and has the lug boss of slide rail effect; Described connecting base is to the position of lug boss being provided with depressed part, and the lug boss on this damper docks with the depressed part on connecting base.
Furthermore, in technique scheme, position, upper hole and the lower opening position of sliding space and the through sliding space upper and lower end installed for described damper is formed in described connecting base, on this, position, hole and lower opening position are docked with the through hole in described first pipe joint and the second pipe joint respectively: on described sliding space, inwall is provided with described depressed part, and this depressed area is outside position, upper hole.
Furthermore, in technique scheme, top and the depressed part in described damper protrusions portion are conflicted, and contact internal walls under damper lower surface and sliding space, make inwall on damper upper surface and sliding space be formed with gap.
Furthermore, in technique scheme, described lug boss two ends extend to damper edges at two ends.
Furthermore, in technique scheme, the cross section of described lug boss is in falling " V " font.
Furthermore, in technique scheme, the thickness in described damper protrusions portion is greater than the thickness of damper other parts.
Furthermore, in technique scheme, described connecting base is provided with the driving cylinder for driving described damper to reciprocate in connecting base, piston rod end and the damper of this driving cylinder are fixed.
After adopting technique scheme, the utility model has following beneficial effect compared with prior art: the utility model symmetrical bending forming on damper has at least two lug bosses, this lug boss can strengthen the intensity of monoblock damper greatly, there is good sealing, and there will not be air leakage phenomena.In addition, lug boss on described damper can reduce the area of contact of whole damper and connecting base, and this lug boss has slide rail effect, so that damper slides more smooth and easy in connecting base, effectively can reduce the frictional force between damper and connecting base, can effectively improve working life of the present utility model.
Accompanying drawing illustrates:
Fig. 1 is plan view of the present utility model;
Fig. 2 is plan view of the present utility model;
Fig. 3 be in Fig. 2 along A-A to sectional view;
Fig. 4 is using state figure of the present utility model.
Embodiment:
Below in conjunction with specific embodiments and the drawings, the utility model is further illustrated.
See shown in Fig. 1-4, for a kind of induced draft fan air door switch structure of dust collecting equipment, it comprises: a connecting seat 1, the first pipe joint 2 being installed on the upper and lower two ends of this connecting base and the second pipe joint 3 and to be installed in connecting base 1 and for through hole in isolated first pipe joint 2 and the second pipe joint 3 and in flat damper 4, move by controlling this damper 4, whether be communicated with the through hole controlled between the first pipe joint and the second pipe joint, realize switching function.
Be formed with position, upper hole and the lower opening position of sliding space 12 and through sliding space 12 upper and lower end installed for described damper 4 in described connecting base 1, on this, position, hole and lower opening position are docked with the through hole in described first pipe joint 2 and the second pipe joint 3 respectively.
On described damper 4, symmetrical bending forming has at least two for increasing its intensity and has the lug boss 41 of slide rail effect; Described connecting base 1 is to the position of lug boss 41 being provided with depressed part 11, and the lug boss 41 on this damper 4 docks with the depressed part 11 on connecting base 1.Top and the depressed part 11 in described damper 4 protrusions portion 41 are conflicted, and damper 4 lower surface and sliding space 12 times contact internal walls, inwall on damper 4 upper surface and sliding space 12 is made to be formed with gap, to reduce damper 4 and the area of contact of sliding space 12, realize reducing friction.Because on this damper 4, symmetrical bending forming has lug boss 41, so that greatly can strengthen the intensity of monoblock damper 4, there is good sealing, and there will not be air leakage phenomena.
Lug boss 41 on described damper 4 can reduce the area of contact of whole damper 4 and connecting base 1, and the lug boss 41 of damper 4 has slide rail effect, so that damper 4 slides more smooth and easy in connecting base 1, the frictional force between damper 4 and connecting base 1 effectively can be reduced.
Described lug boss 41 two ends extend to damper 4 edges at two ends, and the cross section of described lug boss 41 is in falling " V " font.In addition, the thickness in described damper 4 protrusions portion 41 is greater than the thickness of damper 4 other parts, and the intensity contacted with connecting base 1 due to this lug boss 41 is maximum, and this structure can effectively improve working life of the present utility model.
On described sliding space 12, inwall is provided with described depressed part 11, and this depressed part 11 is positioned at outside position, hole.Described connecting base 1 is provided with the driving cylinder 13 for driving described damper 4 to reciprocate in connecting base 1, piston rod 131 end and the damper 4 of this driving cylinder 13 are fixed.
In sum, the utility model symmetrical bending forming on damper 4 has at least two lug bosses 41, and this lug boss can strengthen the intensity of monoblock damper 4 greatly, has good sealing, and there will not be air leakage phenomena.In addition, lug boss 41 on described damper 4 can reduce the area of contact of whole damper 4 and connecting base 1, and this lug boss 41 has slide rail effect, so that damper 4 slides more smooth and easy in connecting base 1, effectively can reduce the frictional force between damper 4 and connecting base 1, can effectively improve working life of the present utility model.
Certainly, the foregoing is only specific embodiment of the utility model, be not limit the utility model practical range, all equivalences done according to structure, feature and principle described in the utility model claim change or modify, and all should be included in the utility model claim.
Claims (7)
1. the induced draft fan of dust collecting equipment air door switch structure, comprise: a connecting seat (1), the first pipe joint (2) being installed on the upper and lower two ends of this connecting base and the second pipe joint (3) and to be installed in connecting base (1) and for the damper (4) of through hole in isolated first pipe joint (2) and the second pipe joint (3), to it is characterized in that: described damper (4) goes up symmetrical bending forming to be had at least two for increasing its intensity and have the lug boss (41) of slide rail effect; Described connecting base (1) is to the position of lug boss (41) being provided with depressed part (11), and the lug boss (41) on this damper (4) docks with the depressed part (11) on connecting base (1).
2. the induced draft fan air door switch structure of dust collecting equipment according to claim 1, it is characterized in that: the position, upper hole and the lower opening position that are formed with sliding space (12) and through sliding space (12) upper and lower end installed for described damper (4) in described connecting base (1), on this, position, hole and lower opening position are docked with the through hole in described first pipe joint (2) and the second pipe joint (3) respectively: the upper inwall of described sliding space (12) is provided with described depressed part (11), and this depressed part (11) is positioned at outside position, hole.
3. the induced draft fan air door switch structure of dust collecting equipment according to claim 2, it is characterized in that: top and the depressed part (11) in described damper (4) protrusions portion (41) are conflicted, and contact internal walls under damper (4) lower surface and sliding space (12), make damper (4) upper surface and the upper inwall of sliding space (12) be formed with gap.
4. the induced draft fan air door switch structure of dust collecting equipment according to claim 2, is characterized in that: described lug boss (41) two ends extend to damper (4) edges at two ends.
5. the induced draft fan air door switch structure of dust collecting equipment according to claim 4, is characterized in that: the cross section of described lug boss (41) is in falling " V " font.
6. the induced draft fan air door switch structure of dust collecting equipment according to claim 2, is characterized in that: the thickness in described damper (4) protrusions portion (41) is greater than the thickness of damper (4) other parts.
7. the induced draft fan air door switch structure of the dust collecting equipment according to claim 1-6 any one, it is characterized in that: described connecting base (1) is provided with the driving cylinder (13) for driving described damper (4) to reciprocate in connecting base (1), piston rod (131) end of this driving cylinder (13) and damper (4) are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520008688.8U CN204436847U (en) | 2015-01-07 | 2015-01-07 | The induced draft fan air door switch structure of dust collecting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520008688.8U CN204436847U (en) | 2015-01-07 | 2015-01-07 | The induced draft fan air door switch structure of dust collecting equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204436847U true CN204436847U (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520008688.8U Expired - Fee Related CN204436847U (en) | 2015-01-07 | 2015-01-07 | The induced draft fan air door switch structure of dust collecting equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN204436847U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087301A (en) * | 2017-12-11 | 2018-05-29 | 江门市金羚排气扇制造有限公司 | A kind of covering and isolating ventilation fan |
-
2015
- 2015-01-07 CN CN201520008688.8U patent/CN204436847U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087301A (en) * | 2017-12-11 | 2018-05-29 | 江门市金羚排气扇制造有限公司 | A kind of covering and isolating ventilation fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20170107 |