CN209587495U - The connection fastener structure of the modular muff of steam turbine - Google Patents
The connection fastener structure of the modular muff of steam turbine Download PDFInfo
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- CN209587495U CN209587495U CN201920246236.1U CN201920246236U CN209587495U CN 209587495 U CN209587495 U CN 209587495U CN 201920246236 U CN201920246236 U CN 201920246236U CN 209587495 U CN209587495 U CN 209587495U
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- strapping
- muff
- button
- modular
- steam turbine
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Abstract
The utility model relates to a kind of connection fastener structures.A kind of connection fastener structure of the modular muff of steam turbine, including button, in a ring, button includes being located at collinear inlet and outlet to the button, and a cavity is equipped in button, it is equipped with friction ball in the cavity, it is equipped with baffle plate in exit, baffle plate is located at the front of friction ball, and fixing end and the button of strapping are fixed, the movable end of strapping is pierced by after being entered by import by outlet, and the movable end of strapping is located at the lower section of friction ball.It is simple that the utility model provides a kind of structure, can effectively prevent strapping tripping, so that muff is connected firmly, the connection fastener structure of the modular muff of the good steam turbine of heat insulation effect；The strapping interconnected for solving muff existing in the prior art is easy to deviate from out of connection buckle, so that the technical issues of thermal insulation material of connection is not connected firmly, causes insulation failure.
Description
Technical field
The utility model relates to a kind of connection fastener structure more particularly to it is a kind of apply steam turbine high-temperature-resistant thermal-insulation set on
Connection fastener structure.
Background technique
Many equipment units such as valve jet chimney etc. now need to wrap up one layer of muff resistant to high temperature outside pipeline.
But since the shape of equipment is had nothing in common with each other, it is therefore desirable to be made into different muff shapes, it is therefore desirable to be connected to each other, connect
When need connector to be attached.The country has the relevant insulation belt type of attachment for detachable heat-insulating product at present, this
Soft band can be mainly fixedly connected by a soft band and after winding insulating product by fastener by kind insulation belt,
But that there are structure types is complicated for existing insulation belt, cost of manufacture is high, non-refractory, and the defects of be easily damaged.It is Chinese special
Benefit: " a kind of portable connecting band (CN207334096U) ", it is mainly buckled by fixing belt, high temperature resistant band, day type, high temperature resistant magic
Patch forms, and is connected to the fixation for being mainly used for being fixed on soft detachable heat-insulating product surface in one end side axis that the day type is buckled
Band, the both ends of the high temperature resistant band are respectively arranged with hair side and the thorn face of high temperature resistant velcro, and the one of the high temperature resistant band
End face is securable on soft detachable heat-insulating product surface, the jackshaft buckled by the other end solderless wrapped connection day type of high temperature resistant band or
After other end side axis, make the hair side and thorn face stick to each other of high temperature resistant velcro；The day type is buckled to be welded by cylindrical stainless steel
Connect, the fixing belt by high temperature resistant sewer in soft detachable heat-insulating product surface, the one of the high temperature resistant band
End face is also by high temperature resistant sewer on soft detachable heat-insulating product surface；The high temperature resistant band reinforces cloth warp by steel wire
High temperature resistant sewing sewer forms.But the connection buckle of this structure is easy to slip, and causes to be not connected firmly.
Summary of the invention
It is simple that the utility model provides a kind of structure, can effectively prevent strapping tripping, so that muff is connected firmly,
The connection fastener structure of the modular muff of the good steam turbine of heat insulation effect；Solves the phase of muff existing in the prior art
The strapping to connect is easy to deviate from out of connection buckle, so that the thermal insulation material of connection is not connected firmly, heat preservation is caused to lose
The technical issues of effect.
The above-mentioned technical problem of the utility model is solved by following technical proposals: a kind of modular guarantor of steam turbine
The connection fastener structure of temperature set, including button, in a ring, button includes being located at collinear inlet and outlet to the button,
It is equipped with a cavity in button, is equipped with friction ball in the cavity, is equipped with baffle plate in exit, baffle plate is located at friction ball
Front, fixing end and the button of strapping are fixed, and the movable end of strapping is pierced by after being entered by import by outlet, the work of strapping
Moved end is located at the lower section of friction ball.After fixing end and movable end the superposition closure of strapping, an annular is formed, in strapping
Connection buckle is installed, connection buckle is fixed on one of muff of the muff of modular, passes through strapping in annular ring
The tightening degree at both ends links together each piece of muff, to form complete muff.The button of annular is by strapping
Free end and fixing end wrap up.After the free end of strapping penetrates into cavity, the upper surface of strapping and cavity
Interior friction ball contact, when strapping is pulled out from outlet, the frictional force of strapping and friction ball drives friction ball going out to cavity
Mouth end motion, strapping can be pulled out constantly to outlet end.But if strapping and friction ball rub when reversely drawing strapping
It wipes power and drives import end motion of the friction ball to cavity, the height of the input end of cavity is less than the height of outlet end, to will rub
Ball clamping is wiped, after friction ball clamping, friction ball compresses the movable end of strapping, allows strapping can only be to outlet end motion without energy
The free end of strapping will not arbitrarily be deviate from, ensure that the firmness for tying up band connection to realize locking for counter motion,
So that being connected firmly between two block insulation sets.
Preferably, the cavity be it is inclined, cavity close to outlet end volume be greater than input end volume.It can be real
Existing reverse self-locking.
Preferably, the baffle plate is located at the middle part of outlet.
Preferably, the button and strapping is metalwork.
Preferably, the fixing end of the strapping is equipped with location hole corresponding with friction ball.What is do not used
In the case of, it can be effectively prevented outside friction ball abjection to button.
Therefore, the connection fastener structure of the modular muff of the steam turbine of the utility model has following advantages: structure letter
It is single, it is connected firmly, is realized strapping using friction ball self-locking, will not reversely deviate from, thus allow muff stable connection, heat preservation
Effect is good.
Detailed description of the invention
Fig. 1 is the main view of the connection fastener structure of the modular muff of the steam turbine of the utility model.
Fig. 2 is the elevational schematic view of the connection fastener structure of the modular muff of the steam turbine of the utility model, fastener part
Divide partial cutaway view.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solution to utility model is described in further detail.
Embodiment:
As illustrated in fig. 1 and 2, the connection fastener structure of the modular muff of steam turbine, including button 3, button 3 are flat
Ring bodies, button 3 will need strapping interconnected free end 6 and fixing end package.The fixing end of strapping is fixed
On button 3.Button 3 includes the import 2 being located along the same line and outlet 5, and a cavity 7, cavity 7 are equipped in button 3
For inclined oblique chamber, cavity 7 is greater than the volume of input end close to the volume of outlet end.It is equipped with friction ball 8 in cavity 7, is going out
Middle part at mouthful is equipped with baffle plate 4, and baffle plate 4 is located at the front of friction ball 8.The movable end of strapping entered by import after by go out
Mouth is pierced by, and the movable end of strapping is located at the lower section of friction ball.Button 3 and strapping 1 are metalwork.The fixing end of strapping
On form a location hole, prevent friction ball 8 deviate from.
In use, strapping is fixed on two adjacent block insulations and is put on by fixed ring 7, in order to by two neighboring guarantor
Temperature set connection fastening, needs to penetrate the free end of strapping by the import of button, and the upper end of free end connects with friction ball, from
From end to when outlet end motion, since frictional force acts on, friction ball is driven to move to export direction, after strapping tenses in place,
If the free end of strapping is wanted to act on strapping when separating by the power to import direction, that is, two muffs
Reaction force at this moment since frictional force acts on, friction ball is driven to move to import direction, friction ball Xiang little Rong in the cavity
Product direction movement, thus clamping.Also it is achieved that the effect that two muffs are connected firmly, cannot reversely disengage.
Claims (5)
1. a kind of connection fastener structure of the modular muff of steam turbine, including button, it is characterised in that: the button is in ring
Shape, button include being located at collinear inlet and outlet, and a cavity is equipped in button, is equipped with friction ball in the cavity,
It is equipped with baffle plate in exit, baffle plate is located at the front of friction ball, and fixing end and the button of strapping are fixed, the work of strapping
Moved end is pierced by after being entered by import by outlet, and the movable end of strapping is located at the lower section of friction ball.
2. the connection fastener structure of the modular muff of steam turbine according to claim 1, it is characterised in that: the chamber
Body be it is inclined, cavity close to outlet end volume be greater than input end volume.
3. the connection fastener structure of the modular muff of steam turbine according to claim 1 or 2, it is characterised in that: described
Baffle plate be located at outlet middle part.
4. the connection fastener structure of the modular muff of steam turbine according to claim 1 or 2, it is characterised in that: described
Button and strapping be metalwork.
5. the connection fastener structure of the modular muff of steam turbine according to claim 1 or 2, it is characterised in that: described
Strapping fixing end be equipped with location hole corresponding with friction ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920246236.1U CN209587495U (en) | 2019-02-27 | 2019-02-27 | The connection fastener structure of the modular muff of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920246236.1U CN209587495U (en) | 2019-02-27 | 2019-02-27 | The connection fastener structure of the modular muff of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209587495U true CN209587495U (en) | 2019-11-05 |
Family
ID=68370681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920246236.1U Active CN209587495U (en) | 2019-02-27 | 2019-02-27 | The connection fastener structure of the modular muff of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209587495U (en) |
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2019
- 2019-02-27 CN CN201920246236.1U patent/CN209587495U/en active Active
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