A kind of guiding device of gas
Technical field
The utility model belongs to gas flow guiding technical field more particularly to a kind of guiding device of gas.
Background technique
It is usually needed in output auxiliary gas, the gases such as protective gas at present using to guiding device.
Inventor has found during studying the utility model, in the prior art the shape generally on single annular baffle
Conical flow is obtained at inclined flow-guiding channel, inclined flow-guiding channel is processed on single annular baffle and exists centainly
Difficulty of processing, and it is easy residual burr, the surface of flow-guiding channel is also not smooth enough.
Utility model content
Technology based on the above background, the utility model embodiment are intended to provide a kind of guiding device of gas, on solving
State one or more in multiple technical problems.
The utility model embodiment uses technical solution below:
One or more embodiment of the utility model discloses a kind of guiding device of gas.The water conservancy diversion of the gas
Device includes: first annular baffle, the second annular baffle, fixing body, sealing ring and positioning pin;Wherein, described first
Annular baffle is installed in an interference fit in the described second annular baffle;It is logical that installation is formed on the fixing body
Chamber, the described second annular baffle are installed in an interference fit in the installation cavity;The sealing ring is set in institute
It states outside the second annular baffle, is sealed for being formed between the described second annular baffle and the installation cavity;It is described fixed
Position pin card is located between the described second annular baffle and the installation cavity, for preventing the described second annular baffle and institute
It states and produces relative rotation between installation cavity;The outer ring surface and inner ring surface of the first annular baffle are the conical surface, and institute
It is smaller and smaller to state the orient diameter that outer ring surface is flowed along air-flow;Multiple flow-guiding channels are formed on described second annular baffle,
Axial line of the multiple flow-guiding channel perpendicular to the described second annular baffle;It is formed with inlet channel on the fixing body,
The inlet channel is connected to the installation cavity;Gas enters the installation by the inlet channel on the fixing body and leads to
Chamber is split into the multiple flow-guiding channel of the multiply on the described second annular baffle, then in the installation cavity
The outer ring surface along the first annular baffle flows out.
In one or more embodiment of the utility model, the multiple flow-guiding channel is distributed in equally spaced manner
On the described second annular baffle.The multiple flow-guiding channel is distributed in equally spaced manner advantageously forms conical flow.
In one or more embodiment of the utility model, it is formed with ear on the described second annular baffle, institute
State ear formed it is jagged;The annular step coaxial with the installation cavity, the side of the annular step are formed on the fixing body
Edge is formed with pin hole;The ear on described second annular baffle is installed in the annular step on the fixing body,
The pin hole at annular step edge described in the notch alignment of the ear;The positioning pin passes through the described of the ear and lacks
Mouth is inserted into the pin hole.Since the positioning pin defines the position of the described second annular baffle and the fixing body, because
This can prevent from producing relative rotation between the described second annular baffle and the installation cavity.
In one or more embodiment of the utility model, annular step described in the ear-orienting is formed on one side
Sealing ring mounting groove, the sealing ring are installed in the sealing ring mounting groove.
In one or more embodiment of the utility model, it is formed with annular groove on the described second annular baffle,
The multiple flow-guiding channel is distributed in the annular groove, and the inlet channel is connected to the annular groove.Pass through the annular groove
So that generate the flowing space of gas between the second annular baffle and the installation cavity, be conducive to gas described the
Be split into that multiply passes through on the described second annular baffle between second ring baffle and the installation cavity the multiple leads
Circulation road.
Compared with prior art, the utility model embodiment has the advantages that
In the embodiments of the present invention, the guiding device of the gas includes: first annular baffle, the second annular
Baffle, fixing body, sealing ring and positioning pin;Wherein, the first annular baffle is installed in an interference fit
In described second annular baffle;Installation cavity is formed on the fixing body, the described second annular baffle is to be interference fitted
Mode be installed in the installation cavity;The sealing ring is set in outside the described second annular baffle, for described the
Sealing is formed between second ring baffle and the installation cavity;The positioning pin is fastened on the described second annular baffle and institute
It states between installation cavity, produces relative rotation between the described second annular baffle and the installation cavity for preventing;It is described
The outer ring surface and inner ring surface of first annular baffle are the conical surface, and the orient diameter that the outer ring surface is flowed along air-flow is more next
It is smaller;Multiple flow-guiding channels are formed on described second annular baffle, the multiple flow-guiding channel is perpendicular to second ring
The axial line of shape baffle;Inlet channel is formed on the fixing body, the inlet channel is connected to the installation cavity;Gas
Body enters the installation cavity by the inlet channel on the fixing body, is split into multiply in the installation cavity and passes through
The multiple flow-guiding channel on described second annular baffle, then along the outer ring surface current of the first annular baffle
Out.In the embodiments of the present invention, second annular is passed through since gas is split into multiply in the installation cavity
Then the multiple flow-guiding channel on baffle is flowed out along the outer ring surface of the first annular baffle, therefore from institute
It states the gas being emitted between first annular baffle and the second annular baffle and is capable of forming the small taper gas of internal disturbance
Stream.It is described when the gas being emitted between the first annular baffle and the second annular baffle is protective gas
The guiding device of gas can be applied in the other equipment such as laser cutting device, provide for other equipment such as laser cutting devices
The protective gas of steady air current.Further, since axial line of the multiple flow-guiding channel perpendicular to the described second annular baffle
Flow-guiding channel, and the smaller and smaller formation conical surface of orient diameter that the outer ring surface is flowed along air-flow, therefore along the outer ring surface
The gas of flowing is capable of forming conical flow.With form inclined flow-guiding channel phase on single annular baffle in the prior art
Than it is more convenient to process multiple straight flow-guiding channels in the utility model on the described second annular baffle, is also not easy residual
Stay the guiding device difficulty of processing of the gas in burr namely the utility model relatively low, the form of the air-flow of acquisition is more
It is ideal.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for this field
For those of ordinary skill, without any creative labor, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of explosive view of the guiding device of gas in an embodiment of the utility model;
Fig. 2 is the structural map of fixing body in an embodiment of the utility model;
Fig. 3 is the sectional view after a kind of guiding device of gas is completed in an embodiment of the utility model;
Fig. 4 is the sectional view of first annular baffle in an embodiment of the utility model;
Fig. 5 is the structural map of the second annular baffle in an embodiment of the utility model;
Fig. 6 is the sectional view of the second annular baffle in an embodiment of the utility model.
Description of symbols:
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms in fact
It is existing, however it is not limited to embodiment described herein.Opposite, purpose of providing these embodiments is makes public affairs to the utility model
The understanding for opening content is more thorough and comprehensive.Unless otherwise defined, technical and scientific term used herein with belong to that this is practical
The normally understood meaning of novel those skilled in the art is identical.Herein in the used in the description of the utility model
Term be only for the purpose of describing specific embodiments and be not intended to limit the utility model.
One embodiment of the utility model discloses a kind of guiding device of gas.Referring to figs. 1 to Fig. 6, wherein Fig. 1 is this
A kind of explosive view of the guiding device of gas in one embodiment of utility model, Fig. 2 be the utility model an embodiment in pacify
Fill the structural map of body 30, Fig. 3 is the section after a kind of guiding device of gas is completed in an embodiment of the utility model
Figure, Fig. 4 are the sectional view of first annular baffle 10 in an embodiment of the utility model, and Fig. 5 is a reality of the utility model
The structural map of the second annular baffle 20 in example is applied, Fig. 6 is the second annular baffle 20 in an embodiment of the utility model
Sectional view.
It anticipates as shown in fig. 1, in the embodiments of the present invention, the guiding device of the gas includes: the first ring
The annular baffle 20 of shape baffle 10, second, fixing body 30, sealing ring 40 and positioning pin 50.Wherein, described first annular to lead
Fluid 10 is installed in an interference fit in the described second annular baffle 20.It is logical that installation is formed on the fixing body 30
Chamber 31, the described second annular baffle 20 are installed in an interference fit in the installation cavity 31.
It anticipates as shown in Figures 1 and 2, in the embodiments of the present invention, is formed with air inlet on the fixing body 30
Channel 32, the inlet channel 32 are connected to the installation cavity 31.
It anticipates as shown in Figure 1 and Figure 3, in the embodiments of the present invention, the sealing ring 40 is set in described
Outside second ring baffle 20, sealed for being formed between the described second annular baffle 20 and the installation cavity 31.It is described
Positioning pin 50 is fastened between the described second annular baffle 20 and the installation cavity 31, for preventing second annular from leading
It produces relative rotation between fluid 20 and the installation cavity 31.
It anticipates as shown in figs. 1 and 4, in the embodiments of the present invention, outside the first annular baffle 10
Anchor ring 11 and inner ring surface 12 are the conical surface, and the orient diameter that the outer ring surface 11 is flowed along air-flow is smaller and smaller.In this reality
With in novel embodiment, the diameter of the diameter smaller place inner ring surface 12 of the outer ring surface 11 is bigger.
It anticipates as shown in figure 1 and figure 5, in the embodiments of the present invention, shape on the described second annular baffle 20
At there is multiple flow-guiding channels 21, axial line of the multiple flow-guiding channel 21 perpendicular to the described second annular baffle 20.
In the embodiments of the present invention, gas enters the peace by the inlet channel 32 on the fixing body 30
Cavity 31 is filled, the multiple water conservancy diversion of the multiply on the described second annular baffle 20 is split into the installation cavity 31
Then channel 21 is flowed out along the outer ring surface 11 of the first annular baffle 10.In the embodiments of the present invention, by
It is logical that the multiple water conservancy diversion that multiply passes through on the described second annular baffle 20 is split into the installation cavity 31 in gas
Then road 21 is flowed out along the outer ring surface 11 of the first annular baffle 10, therefore from the first annular baffle 10
The gas being emitted between the described second annular baffle 20 is capable of forming the small conical flow of internal disturbance.When from described first
When the gas being emitted between annular baffle 10 and the second annular baffle 20 is protective gas, the water conservancy diversion dress of the gas
Setting can be applied in the other equipment such as laser cutting device, provide the guarantor of steady air current for other equipment such as laser cutting devices
Protect gas.Further, since the multiple flow-guiding channel 21 is logical perpendicular to the water conservancy diversion of the axial line of the described second annular baffle 20
Road 21, and the smaller and smaller formation conical surface of orient diameter that the outer ring surface 11 is flowed along air-flow, therefore flowed along the outer ring surface 11
Dynamic gas is capable of forming conical flow.With form inclined flow-guiding channel phase on single annular baffle in the prior art
Than it is more convenient to process multiple straight flow-guiding channels 21 in the utility model on the described second annular baffle 20, also not
The easily guiding device difficulty of processing of residual burr namely the gas in the utility model is relatively low, the form of the air-flow of acquisition
It is even more ideal.
With continued reference to Fig. 2, in one or more embodiment of the utility model, be formed on the fixing body 30 with
The coaxial annular step 33 of the installation cavity 31, the edge of the annular step 33 is formed with pin hole 331.
With continued reference to Fig. 5, in one or more embodiment of the utility model, on the described second annular baffle 20
It is formed with ear 22, the ear 22 forms jagged 221.
The ear 22 on described second annular baffle 20 is installed in the annular step 33 on the fixing body 30
On, the notch 221 of the ear 22 is directed at the pin hole 331 at 33 edge of annular step.The positioning pin 50 passes through
The notch 221 of the ear 22 is inserted into the pin hole 331.Since the positioning pin 50 defines that second annular is led
The position of fluid 20 and the fixing body 30, thus can prevent the described second annular baffle 20 and the installation cavity 31 it
Between produce relative rotation.
With continued reference to Fig. 5, in one or more embodiment of the utility model, the multiple flow-guiding channel 21 with etc.
The mode of spacing is distributed on the described second annular baffle 20.The multiple flow-guiding channel 21 is distributed in equally spaced manner
Conducive to forming conical flow.
With continued reference to Fig. 5, in one or more embodiment of the utility model, on the described second annular baffle 20
It is formed with annular groove 23, the multiple flow-guiding channel 21 is distributed in the annular groove 23, the inlet channel 32 and the annular
Slot 23 is connected to.Make to generate gas between the described second annular baffle 20 and the installation cavity 31 by the annular groove 23
The flowing space, be conducive to gas and be split into multiply between the described second annular baffle 20 and the installation cavity 31 to pass through
The multiple flow-guiding channel 21 on described second annular baffle 20.
With reference to Fig. 6, in one or more embodiment of the utility model, the ear 22 is towards the annular step 33
Be formed with sealing ring mounting groove 222 on one side, the sealing ring 40 is installed in the sealing ring mounting groove 222.
Finally it should be noted that, it is clear that embodiments described above is only the utility model a part of the embodiment, and
The embodiment being not all of gives the preferred embodiment of the utility model in attached drawing, but is not intended to limit the special of the utility model
Sharp range.The utility model can realize in many different forms, on the contrary, purpose of providing these embodiments is makes pair
The understanding of the disclosure of the utility model is more thorough and comprehensive.Although having been carried out in detail to the utility model with reference to the foregoing embodiments
Thin explanation still can be to skill documented by aforementioned each specific embodiment for coming for those skilled in the art
Art scheme is modified, or carries out equivalence replacement to part of technical characteristic.It is all using the utility model specification and
The equivalent structure that accompanying drawing content is done directly or indirectly is used in other related technical areas, similarly in the utility model
Within scope of patent protection.