CN208458516U - A kind of draught hood - Google Patents
A kind of draught hood Download PDFInfo
- Publication number
- CN208458516U CN208458516U CN201820436679.2U CN201820436679U CN208458516U CN 208458516 U CN208458516 U CN 208458516U CN 201820436679 U CN201820436679 U CN 201820436679U CN 208458516 U CN208458516 U CN 208458516U
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- air duct
- operating stick
- shaped bar
- air door
- fan housing
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Abstract
The utility model discloses a kind of draught hoods, it is related to production equipment technology, including fan housing, divide air duct and main air duct, the locating flange of annular is welded on the outer wall of the upper end of main air duct, described point of air duct is set to main air duct lower end, and air duct is divided to be connected to main air duct, fan housing is set to the lower end for dividing air duct, and fan housing is connected to a point air duct, fan housing it is opening down, the inside in air duct is divided to be equipped with air door, each outer wall for dividing air duct is equipped with throttle folding mechanism, the utility model structure is simple, furnace body is cooperated to use, using flexible is higher, use when being suitble to multiple furnace bodies while forging, it can effective save the cost, reduce space occupancy rate, and application is more flexible.
Description
Technical field
The utility model relates to production equipment technologies, and in particular to a kind of draught hood.
Background technique:
Calcining furnace is a kind of for high-temperature process, makees the energy with natural gas, oil and electricity, for smelting iron, recycles rare gold
Belong to, catalyst production improves environment, the equipment for producing extraordinary chemicals.The direct or indirect heat source of calcining furnace, can use medium temperature
With high temperature continuous processing batch material, it is ensured that heat source and product isolation in process.
Furnace body during the work time, can generate a large amount of flue gas and dust, in order not to allow flue gas and dust disperse in life
Produce workshop in, can draught hood is added above furnace body, for being extracted to flue gas and dust, and by external equipment into
The subsequent processing of row.
Existing draught hood is mounted on main air duct in the form of monomer, is worked at the same time when being related to multiple furnace bodies
When, corresponding draught hood and exhausting system will be arranged in each furnace body top, the waste of electric energy is caused, to the group of staff
Dress, erection increase workload, need to be arranged more set support frames to be installed one by one to it, while also occupying more sky
Between.
Utility model content
The purpose of this utility model is to provide a kind of draught hoods, caused by the prior art above-mentioned multinomial scarce to solve
It falls into.
A kind of draught hood, including fan housing, divide air duct and main air duct, annular is welded on the outer wall of the upper end of the main air duct
Locating flange, it is described that air duct is divided to be set to main air duct lower end, and air duct is divided to be connected to main air duct, the fan housing is set on dividing air duct
Lower end, and fan housing is connected to a point air duct, fan housing it is opening down, the inside for dividing air duct is equipped with air door, each described to divide wind
The outer wall in road is equipped with throttle folding mechanism, and the outer wall for being divided to air duct is equipped with the track of two arcs, two tracks
Two ends be all provided with fluted, divide the side wall in air duct to be equipped with through-hole, be equipped with rolling bearing, the side of the air door in through-hole
End is equipped with rotation axis, and rotation axis runs through the inner ring of rolling bearing and extends to the outside in point air duct, the throttle folding mechanism packet
Operating stick, U-shaped bar, ball and lifter are included, the operating stick is set to rotation the tip of the axis, and perpendicular to rotation axis, the behaviour
Make bar mirror image to set there are two pilot hole up and down, pilot hole is run through at the both ends of U-shaped bar, and lifter is mounted on the upper of operating stick
It holds and the lift side of lifter is fastenedly connected with U-shaped bar, the ball is mounted on the lower end of U-shaped bar, and ball can be in track
It rolls.
Preferably, the both ends of the U-shaped bar are equipped with limited block, are cased with reset spring, the reset spring on the U-shaped bar
Upper end and operating stick lower end face contact, and the upper end face contact of the lower end of reset spring and limited block, ball is located at limit
The lower section of block.
Preferably, when the operating stick is vertical with the wind direction in air duct is divided, air door is in close state, and the operating stick with
When dividing the wind direction in air duct parallel, air door is in the open state.
Preferably, the air door is one piece of metal sheet.
Preferably, the transition air duct that the air door and throttle folding mechanism are each provided at a section and point air duct is detachably connected
On, air door is set to the inside in transition air duct, and throttle folding mechanism is set on the outer wall in transition air duct.
Utility model has the advantages that multiple points of air ducts are arranged by the lower end in main air duct, it can be simultaneously to multiple
Furnace body carries out exhausting operation, and multiple points of air ducts are connected to same main air duct, reduce space occupancy rate, saved the energy, pass through
Air door and throttle folding mechanism are set on each point of air duct, can need to select corresponding fan housing to carry out according to actual production
Exhausting operation, can single separate operaton, can also multiple while operation, the flexibility of application is improved, in addition, in the utility model
In, the working principle of throttle folding mechanism are as follows: when air door is in full open position, operating stick is put down with the wind direction in air duct is divided
Row, lifter is in fully collapsed condition at this time, and the ball at U-shaped bar both ends extends in groove, limited by groove, work as needs
When closing air door, the telescopic end for being started lifter using external power supply facilities is extended, and such ball " will be taken out from groove
Out ", then manual rotation operation bar makes operating stick rotate 90 °, and ball will reach the position of the groove of the track other end at this time
It sets, the telescopic end for then controlling lifter again is shunk, and such ball will extend in corresponding groove, such operating stick and divides wind
The wind direction in road is vertical, and air door is also vertical with wind direction at this time, thus will point air duct " blocking ", realize the effect of closing.
The utility model structure is simple, and cooperation furnace body uses, and using flexible is higher, when being suitble to multiple furnace bodies while forging
Use, can effective save the cost, reduce space occupancy rate, and application is more flexible.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the enlarged drawing in Fig. 1 at A.
Fig. 3 is the schematic diagram of air door and its throttle folding mechanism.
Wherein: 1- fan housing, 2- divide air duct, 3- main air duct, 4- locating flange, 5- inserting section, 6- throttle folding mechanism, 6-1-
U-shaped bar, 6-2- operating stick, 6-3- pilot hole, 6-4- reset spring, 6-5- limited block, 6-6- ball, 7- air door, 8- track,
9- groove, 10- rolling bearing, 11- lifter.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figure 1 to Figure 3, a kind of draught hood, including fan housing 1, divide air duct 2 and main air duct 3, the main air duct 3 it is upper
It is welded with the locating flange 4 of annular on the outer wall at end, is connected to using locating flange 4 with external air draft pipe, air draft pipe
It is nested in the inserting section 5 of 3 upper end of main air duct, and is fastened using locating flange 4 and air draft pipe, it is described that air duct 2 is divided to be set to master
3 lower end of air duct, and air duct 2 is divided to be connected to main air duct 3, the fan housing 1 are set to the lower end for dividing air duct 2, and fan housing 1 and divide air duct 2
Connection, fan housing 1 it is opening down, the inside for dividing air duct 2 is equipped with air door 7, and the outer wall for dividing air duct 2 is equipped with wind
Door open-and-close mechanism 6, the outer wall for being divided to air duct 2 are equipped with the track 8 of two arcs, and two ends of two tracks 8 are equal
Equipped with groove 9, divides the side wall in air duct 2 to be equipped with through-hole, be equipped with rolling bearing 10 in through-hole, set on the side of the air door 7
There is rotation axis, rotation axis runs through the inner ring of rolling bearing 10 and extends to the outside in point air duct, and rotation axis and rolling bearing 10
Inner ring interference fit, the throttle folding mechanism 6 includes operating stick 6-2, U-shaped bar 6-1, ball 6-6 and lifter 11, described
Operating stick 6-2 is set to rotation the tip of the axis, and perpendicular to rotation axis, and 6-2 mirror image sets that there are two up and down in the operating stick
The both ends of pilot hole 6-3, U-shaped bar 6-1 run through pilot hole 6-3, lifter 11 is mounted on the upper end of operating stick 6-2 and lifting
The lift side of device 11 is fastenedly connected with U-shaped bar 6-1, and the ball 6-6 is mounted on the lower end of U-shaped bar 6-3, and ball 6-6 can be
It is rolled in track 8.
In the present embodiment, the both ends of the U-shaped bar 6-1 are equipped with limited block 6-5, are cased with reset bullet on the U-shaped bar 6-1
The upper end of spring 6-4, the reset spring 6-4 and the lower end face contact of operating stick 6-2, and the lower end of reset spring 6-4 and limit
The upper end face contact of block 6-5, ball 6-6 are located at the lower section of limited block 6-5, when the failure of lifter 11 needs to carry out disassembly inspection
It is purely manual to pull U-shaped bar 6-1 in order to not influence the normal folding of throttle folding mechanism 6 when repairing, so that ball 6-6 is from groove 9
In " extraction ", when operating stick 6-2 rotate 90 ° when, unclamp U-shaped bar 6-1, under the action of reset spring 6-4, U-shaped bar 6-1 meeting
Towards the direction of groove 9 close to resetting, so that ball 6-6 enters groove 9, limit when air door 7 turns on or off is realized.
In the present embodiment, when the operating stick 6-2 is vertical with the wind direction in air duct 2 is divided, air door 7 is in close state, i.e.,
Air door 7 is vertical with wind direction, and when the operating stick 6-2 is parallel with the wind direction in air duct 2 is divided, air door is in the open state, i.e. air door 7
It is parallel with wind direction.
In the present embodiment, the air door 7 is one piece of metal sheet.
In the present embodiment, the air door 7 and throttle folding mechanism 6 are each provided at what a section was detachably connected with point air duct 2
On transition air duct, air door 7 is set to the inside in transition air duct, and throttle folding mechanism 6 is set on the outer wall in transition air duct.
By the way that multiple points of air ducts 2 are arranged in the lower end of main air duct 3, exhausting operation can be carried out to multiple furnace bodies simultaneously, it is more
It is a that air duct 2 is divided to be connected to same main air duct 3, space occupancy rate is reduced, the energy has been saved, by being set on each point of air duct 2
Air door 7 and throttle folding mechanism 6 are set, can need to select corresponding fan housing 1 to carry out exhausting operation according to actual production, it can be single
A separate operaton, can also multiple while operation, improve the flexibility of application, in addition, in the present invention, air door opening-closing machine
The working principle of structure 6 are as follows: when air door 7 is in full open position, operating stick 6-2 is parallel with the wind direction in air duct 2 is divided, at this time
Lifter 11 is in fully collapsed condition, and the ball 6-6 at the both ends U-shaped bar 6-1 is extended in groove 9, limited by groove 9, when
When needing to close air door 7, the telescopic end for being started lifter 11 using external power supply facilities is extended, and such ball 6-6 will
From groove 9 " extraction ", then manual rotation operation bar 6-2 makes operating stick 6-2 rotate 90 °, and ball 6-6 will be arrived at this time
Up to the position of the groove 9 of 8 other end of track, the telescopic end for then controlling lifter 11 again is shunk, and such ball 6-6 will be extended to
In corresponding groove 9, such operating stick 6-2 is vertical with the wind direction in air duct 2 is divided, and air door 7 is also vertical with wind direction at this time, thus
Will point air duct 2 " blocking ", realize the effect of closing.
The utility model structure is simple, and cooperation furnace body uses, and using flexible is higher, when being suitble to multiple furnace bodies while forging
Use, can effective save the cost, reduce space occupancy rate, and application is more flexible.
As known by the technical knowledge, the utility model can pass through other essence without departing from its spirit or the reality of essential feature
Scheme is applied to realize.Therefore, embodiment disclosed above, in all respects are merely illustrative, and are not only
's.All changes that come within the scope of the invention or equivalents of the invention are by the utility model packet
Contain.
Claims (5)
1. a kind of draught hood, which is characterized in that including fan housing (1), divide air duct (2) and main air duct (3), the main air duct (3)
The locating flange (4) of annular is welded on the outer wall of upper end, it is described that air duct (2) is divided to be set to main air duct (3) lower end, and divide air duct
(2) it is connected to main air duct (3), the fan housing (1) is set to the lower end for dividing air duct (2), and fan housing (1) is connected to a point air duct (2), wind
The opening down of (1) is covered, the inside for dividing air duct (2) is equipped with air door (7), and the outer wall in each point air duct (2) is equipped with
Throttle folding mechanism (6), the outer wall for being divided to air duct (2) are equipped with the track (8) of two arcs, two tracks (8)
Two ends are all provided with fluted (9), divide the side wall in air duct (2) to be equipped with through-hole, are equipped with rolling bearing (10) in through-hole, described
The side of air door (7) is equipped with rotation axis, and rotation axis runs through the inner ring of rolling bearing (10) and extends to the outside of a point air duct (2),
The throttle folding mechanism (6) includes operating stick (6-2), U-shaped bar (6-1), ball (6-6) and lifter (11), the operation
Bar (6-2) is set to rotation the tip of the axis, and perpendicular to rotation axis, and mirror image sets that there are two up and down on the operating stick (6-2)
Pilot hole (6-3), the both ends of U-shaped bar (6-1) run through pilot hole (6-3), and lifter (11) is mounted on the upper of operating stick (6-2)
The lift side of end and lifter (11) is fastenedly connected with U-shaped bar (6-1), and the ball (6-6) is mounted under U-shaped bar (6-1)
End, and ball (6-6) can roll in track (8).
2. a kind of draught hood according to claim 1, it is characterised in that: the both ends of the U-shaped bar (6-1) are equipped with limited block
(6-5) is cased with reset spring (6-4) on the U-shaped bar (6-1), the upper end of the reset spring (6-4) and operating stick (6-2)
Lower end face contact, and the upper end face contact of the lower end of reset spring (6-4) and limited block (6-5), ball (6-6) is located at limit
The lower section of block (6-5).
3. a kind of draught hood according to claim 1, it is characterised in that: the operating stick (6-2) and the wind for dividing air duct (2)
To it is vertical when, air door (7) is in close state, and when the operating stick (6-2) is parallel with the wind direction in air duct (2) is divided, air door (7)
It is in the open state.
4. a kind of draught hood according to claim 1, it is characterised in that: the air door (7) is one piece of metal sheet.
5. a kind of draught hood according to claim 1, it is characterised in that: the air door (7) and throttle folding mechanism (6) are equal
It is located on the transition air duct that a section is detachably connected with point air duct (2), air door (7) is set to the inside in transition air duct, air door folding
Mechanism (6) is set on the outer wall in transition air duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820436679.2U CN208458516U (en) | 2018-03-29 | 2018-03-29 | A kind of draught hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820436679.2U CN208458516U (en) | 2018-03-29 | 2018-03-29 | A kind of draught hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208458516U true CN208458516U (en) | 2019-02-01 |
Family
ID=65156949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820436679.2U Active CN208458516U (en) | 2018-03-29 | 2018-03-29 | A kind of draught hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208458516U (en) |
-
2018
- 2018-03-29 CN CN201820436679.2U patent/CN208458516U/en active Active
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