CN207797739U - Tube furnace - Google Patents
Tube furnace Download PDFInfo
- Publication number
- CN207797739U CN207797739U CN201721862764.7U CN201721862764U CN207797739U CN 207797739 U CN207797739 U CN 207797739U CN 201721862764 U CN201721862764 U CN 201721862764U CN 207797739 U CN207797739 U CN 207797739U
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- China
- Prior art keywords
- fire door
- extending arm
- axially extending
- arm
- tube furnace
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Abstract
The utility model is related to a kind of tube furnaces.Tube furnace includes boiler tube, the end fire door position of boiler tube is fixed with fire door flange, fire door is rotatablely installed relative to boiler tube and can be bonded fire door flange in rotation and close fire door, fire door flange can be left and open fire door, fire door flange or fire door are equipped with locking mechanism, the locking mechanism includes the axially extending arm being rotatably installed on fire door flange or fire door and the radially extending arm for being connected to axially extending arm end, axially extending hold-down bolt is installed in radially extending arm, when axially extending arm rotates, radially extending arm can be made to get out of the way fire door or fire door flange in the axial direction.Rotation lock structure after fire door is closed, makes the hold-down bolt of locking mechanism that fire door to be pressed on fire door flange, easy to operate and ensure that the good air-tightness of tube furnace.
Description
Technical field
The utility model is related to a kind of tube furnaces.
Background technology
Tube furnace is often used in fields such as chemical industry, experiment, analyses, an important composition part of tube furnace is exactly stove
Door, the feeding of sample and taking-up will be by fire doors, therefore the opening of fire door, closing influence whether the shape entirely tested, analyzed
State generates large effect to experiment, analysis result.Tube furnace boiler tube end is generally provided with flange, there are two types of flange is usual
Connection type, one is flange sleeve on boiler tube, to set to gasket between flange and boiler tube, the shortcomings that this connection type is method
Orchid is easy to loosen, and influences the air-tightness of tube furnace；Another kind is that flange welding is connected firmly in boiler tube end, and air-tightness is good.
Generally also there are two types of connection types for fire door, and one is releasable connections, and the installation of fire door is mainly realized by fastening and unscrewing bolt
With dismounting, this mode is troublesome in poeration, needs repeatedly to remove fire door and load onto, and when dismounting is likely to occur fire door and falls off and damaged
The case where badly or injuring operating personnel by a crashing object；Another kind is that fire door is hinged on boiler tube end, and the pass of fire door is realized by pivoting
Close opening, this mode be susceptible to fire door be not closed completely there are gap and the air-tightness that reduces tube furnace, to influence experiment,
Analysis result.It is, therefore, desirable to provide a kind of not only having can guarantee good air-tightness simultaneously but also easy to operate tube furnace.
Utility model content
Good air-tightness had not only been can guarantee the purpose of this utility model is to provide a kind of simultaneously but also easy to operate tube furnace.
To achieve the above object, the tube furnace of the utility model adopts the following technical scheme that：
Technical solution 1：Tube furnace, including boiler tube, the end fire door position of boiler tube are fixed with fire door flange, fire door relative to
Boiler tube is rotatablely installed and can be bonded fire door flange in rotation and close fire door, can leave fire door flange and open fire door,
Fire door flange or fire door are equipped with locking mechanism, and the locking mechanism includes the axial direction being rotatably installed on fire door flange or fire door
Adjutage and the radially extending arm for being connected to axially extending arm end are equipped with axially extending compression spiral shell in radially extending arm
Bolt can make radially extending arm get out of the way fire door or fire door flange in the axial direction when axially extending arm rotates.
Advantageous effect：Rotation lock structure after fire door is closed, makes the hold-down bolt of locking mechanism that fire door is pressed on fire door
On flange, to ensure that the good air-tightness of tube furnace；The hold-down bolt of locking mechanism is unscrewed when needing to open fire door
Afterwards towards unlocking direction rotation lock structure, to separate fire door and fire door flange, fire door is opened, it is not only easy to operate in this way
And it ensure that the good air-tightness of tube furnace when fire door closing.
Technical solution 2：On the basis of technical solution 1, the pivot center of the axially extending arm is perpendicular to axially extending
Arm and radially extending arm.
Technical solution 3：On the basis of technical solution 2, the front end of the axially extending arm is equipped with puts down with radially extending arm
Capable linking arm, axially extending arm pass through the linking arm and fire door flange or fire door rolling assembling.
Technical solution 4：On the basis of technical solution 1 or 2 or 3, characterized in that the locking mechanism is mounted on fire door method
Lan Shang.
Technical solution 5：On the basis of technical solution 1 or 2 or 3, fire door flange is equipped with the mounting plate radially extended, institute
State fire door rotational installation on a mounting board.
Technical solution 6：On the basis of technical solution 5, the fire door includes rotational installation arm, is rotatablely installed one end of arm
With the mounting plate rolling assembling, the door-plate of fire door is rotatably installed in the other end of rotational installation arm.
Technical solution 7：On the basis of technical solution 6, the locking mechanism is there are two more than, and at least one locking is tied
Structure is located at a side position of the separate rotational installation arm of fire door.It is locked in a side position of the separate rotational installation arm of fire door
It is more reliable to avoid the occurrence of the compression at the position of the rotational installation arm of fire door for the air-tightness that can preferably ensure tube furnace
And degree is compressed at the position of the rotational installation arm far from fire door not enough causes air-tightness bad.
Technical solution 8：On the basis of technical solution 6, in the side far from rotational installation arm on the door-plate of the fire door
Position is equipped with door handle.Fire door temperature is higher, and setting door handle personnel easy to operation open and close fire door.
Technical solution 9：On the basis of technical solution 4, hold-down bolt position is corresponded on fire door and is equipped with for being closed in fire door
For compressing bolt presses in backing metal above after closing.Hold-down bolt is prevented directly to be pressed on fire door and damage fire door by pressure.
Technical solution 10：On the basis of technical solution 1 or 2 or 3, sealing ring is equipped on the inside of fire door.By in fire door
Side setting sealing ring is further ensured that the preferable leakproofness of tube furnace.
Technical solution 11：On the basis of technical solution 4, the locking mechanism further includes being supplied to axially extending arm elasticity
Power and the elastic component for making it be rotated towards unlocking direction.When a door is opened, elastic component is supplied to axially extending arm towards unlock
The elastic force in direction, to avoid axially extending arm gear from influencing the test operations such as sampling, sample presentation in fire door.
Technical solution 12：On the basis of technical solution 11, the elastic component is cylindrical spring, and one end of cylindrical spring
It acts on axially extending arm.
Technical solution 13：On the basis of technical solution 11 or 12, the back side on fire door flange in axially extending arm is equipped with
Limit the locating part for the extreme position that axially extending arm rotates under elastic component effect.
Description of the drawings
Fig. 1 is the schematic diagram of the locking mechanism in the specific embodiment 1 of the tube furnace of the utility model；
Fig. 2 is the structural schematic diagram of the fire door flange in the specific embodiment 1 of the tube furnace of the utility model；
Fig. 3 is the structural schematic diagram of the fire door in the specific embodiment 1 of the tube furnace of the utility model；
In figure：1, locking mechanism；11, axially extending arm；12, radially extending arm；13, hold-down bolt；14, linking arm；15、
Cylindrical spring mounting hole；16, shaft mounting hole；2, fire door flange；21, mounting plate；3, fire door；31, it is rotatablely installed arm；32, door
Handle；33, backing metal.
Specific implementation mode
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The end fire door position of the specific embodiment 1 of the tube furnace of the utility model, including boiler tube, boiler tube is fixed with fire door
Flange 2, fire door 3 are rotatablely installed relative to boiler tube and can be bonded fire door flange 2 in rotation and close fire door, can leave stove
Mouthful flange 2 and open fire door.Locking mechanism 1 is equipped on fire door flange 2, locking mechanism is as shown in Figure 1, including being rotatably installed in
Axially extending arm 11 on fire door flange 2 and the radially extending arm 12 for being connected to 11 end of axially extending arm, axially extending arm
11 pivot center is equipped with hold-down bolt perpendicular to axially extending arm 11 and radially extending arm 12 in radially extending arm 12
13, hold-down bolt 13 axially extends, and when axially extending arm 11 rotates, radially extending arm 12 can be made to allow in the axial direction
Blow-on door 3, the linking arm 14 parallel with radially extending arm 12 is additionally provided in the front end of axially extending arm 11, and axially extending arm 11 is logical
It crosses the linking arm 14 and realizes rolling assembling with fire door flange 2.The structure of fire door flange 2 is as shown in Fig. 2, at 2 edge of fire door flange
Equipped with the mounting plate 21 radially extended, fire door 3 is rotatably installed on the mounting plate 21.The structure of fire door 3 is as shown in figure 3, include
It is rotatablely installed arm 31, the door-plate of fire door 3 is rotatably installed in one end of rotational installation arm 31, is rotatablely installed the other end and stove of arm 31
21 rolling assembling of mounting plate on mouth flange 2.Door is installed in the side position far from rotational installation arm 31 on the door-plate of fire door 3
Handle 32,3 temperature of fire door is higher, and setting door handle personnel easy to operation open and close fire door.It is equipped with sealing in 3 inside of fire door
Circle, is further ensured that the preferable leakproofness of tube furnace.Locking mechanism further includes being supplied to 11 elastic force of axially extending arm and making it
The elastic component rotated towards unlocking direction, when fire door 3 is opened, elastic component is supplied to axially extending arm 11 towards unlocking direction
Elastic force, to avoid the gear of axially extending arm 11 from influencing the test operations such as sampling, sample presentation in fire door.It here specifically will be elastic
Part is set as cylindrical spring, and one end of cylindrical spring acts on axially extending arm 11.In view of axially extending arm 11 is in elasticity
If rotational angle may be damaged greatly very much boiler tube when rotation under part effect, on fire door flange 2, the back side of axially extending arm 11
Provided with locating part, the extreme position that is rotated under elastic component effect for limiting axially extending arm 11.Locking mechanism can be set
One or more is set, locking mechanism is specifically set as three in the present embodiment, three locking mechanisms are on fire door flange 2
Uniform intervals arrange and one of them be located at fire door 3 separate rotational installation arm 31 a side position, the benefit being arranged in this way is
The air-tightness that can preferably ensure tube furnace is avoided the occurrence of and is compressed more at the position of the rotational installation arm 31 of fire door 3
Compressing degree at the position of reliable and rotational installation arm 31 far from fire door 3 not enough causes air-tightness bad.In view of compressing
Bolt 13, which is directly pressed on fire door 3, may be damaged fire door 3, also be set at 13 position of hold-down bolt so being corresponded on fire door 3
It is useful for being pressed on backing metal 33 above for hold-down bolt 13 after fire door 3 is closed.
During use, rotation lock structure after fire door is closed makes the hold-down bolt of locking mechanism that fire door is pressed on stove
On mouth flange, to ensure that the good air-tightness of tube furnace；The hold-down bolt of locking mechanism is revolved when needing to open fire door
Towards unlocking direction rotation lock structure after pine, to which fire door and fire door flange be separated, opening fire door, so not only operation side
Just the good air-tightness of tube furnace is ensure that when and fire door is closed
Embodiment 2：It is in place of the difference of embodiment 1, the pivot center of axially extending arm is parallel to radially extending arm.
Embodiment 3：It is in place of the difference of embodiment 1, the front end of axially extending arm is not provided with putting down with radially extending arm
Capable linking arm, but directly rolling assembling is on fire door flange.
Embodiment 4：It is in place of the difference of embodiment 1, locking mechanism does not reside on fire door flange, and is mounted in
On fire door, can be corresponded on fire door flange at this time hold-down bolt position setting for after fire door is closed for compress bolt presses
In backing metal above.
Embodiment 5：It is in place of the difference of embodiment 1, locking mechanism is set as one, which is located at fire door
Separate rotational installation arm a side position, or by locking mechanism be set as two, four, five etc. it is multiple, as far as possible will
Multiple locking mechanisms uniform intervals on fire door flange arrange and make that one of them is located at the separate rotational installation arm of fire door one
Side position, to ensure preferable sealing effect.
Embodiment 6：It is in place of the difference of embodiment 1, makes its direction for providing elastic force to axially extending arm
The elastic component of unlocking direction rotation does not use cylindrical spring, but uses torsional spring.
Claims (13)
1. the end fire door position of tube furnace, including boiler tube, boiler tube is fixed with fire door flange, fire door is rotatablely installed relative to boiler tube
And it can be bonded fire door flange in rotation and close fire door, fire door flange can be left and open fire door, characterized in that fire door
Flange or fire door are equipped with locking mechanism, the locking mechanism include be rotatably installed in it is axially extending on fire door flange or fire door
Arm and the radially extending arm for being connected to axially extending arm end are equipped with axially extending hold-down bolt in radially extending arm,
When axially extending arm rotates, radially extending arm can be made to get out of the way fire door or fire door flange in the axial direction.
2. tube furnace according to claim 1, characterized in that the pivot center of the axially extending arm prolongs perpendicular to axial
Semi-girder and radially extending arm.
3. tube furnace according to claim 2, characterized in that the front end of the axially extending arm is equipped with and radially extending arm
Parallel linking arm, axially extending arm pass through the linking arm and fire door flange or fire door rolling assembling.
4. tube furnace according to claim 1 or 2 or 3, characterized in that the locking mechanism is mounted on fire door flange.
5. tube furnace according to claim 1 or 2 or 3, characterized in that fire door flange is equipped with the installation radially extended
Plate, the fire door rotational installation is on a mounting board.
6. tube furnace according to claim 5, characterized in that the fire door includes rotational installation arm, is rotatablely installed arm
One end and the mounting plate rolling assembling, the door-plate of fire door are rotatably installed in the other end of rotational installation arm.
7. tube furnace according to claim 6, characterized in that the locking mechanism is there are two more than, and at least one lock
Locking structure is located at a side position of the separate rotational installation arm of fire door.
8. tube furnace according to claim 6, characterized in that in one far from rotational installation arm on the door-plate of the fire door
Side position is equipped with door handle.
9. tube furnace according to claim 4, characterized in that correspond to hold-down bolt position on fire door and be equipped in fire door
For compressing bolt presses in backing metal above after closing.
10. tube furnace according to claim 1 or 2 or 3, characterized in that be equipped with sealing ring on the inside of fire door.
11. tube furnace according to claim 4, characterized in that the locking mechanism further includes being supplied to axially extending arm
Elastic force and the elastic component for making it be rotated towards unlocking direction.
12. tube furnace according to claim 11, characterized in that the elastic component is cylindrical spring, and cylindrical spring
One end acts on axially extending arm.
13. tube furnace according to claim 11 or 12, characterized in that set in the back side of axially extending arm on fire door flange
The locating part for the extreme position that restricted axially extending arm rotates under elastic component effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721862764.7U CN207797739U (en) | 2017-12-27 | 2017-12-27 | Tube furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721862764.7U CN207797739U (en) | 2017-12-27 | 2017-12-27 | Tube furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207797739U true CN207797739U (en) | 2018-08-31 |
Family
ID=63280336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721862764.7U Active CN207797739U (en) | 2017-12-27 | 2017-12-27 | Tube furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207797739U (en) |
-
2017
- 2017-12-27 CN CN201721862764.7U patent/CN207797739U/en active Active
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