CN108819653A - Muffler and adjustable muffler model for the design typification muffler - Google Patents
Muffler and adjustable muffler model for the design typification muffler Download PDFInfo
- Publication number
- CN108819653A CN108819653A CN201810377266.6A CN201810377266A CN108819653A CN 108819653 A CN108819653 A CN 108819653A CN 201810377266 A CN201810377266 A CN 201810377266A CN 108819653 A CN108819653 A CN 108819653A
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- 238000013461 design Methods 0.000 title claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 18
- 210000001503 joint Anatomy 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 2
- 230000010349 pulsation Effects 0.000 abstract description 7
- 238000004378 air conditioning Methods 0.000 description 12
- 239000007789 gas Substances 0.000 description 7
- 230000009467 reduction Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H2001/006—Noise reduction
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Duct Arrangements (AREA)
- Exhaust Silencers (AREA)
Abstract
The present invention proposes that one kind can eliminate the muffler of gas moment pulsations affect and the adjustable muffler model for the above-mentioned muffler of design typification.Adjustable muffler model of the invention include both ends be respectively equipped with first baffle, second baffle tubular muffler model ontology, piston is movably installed in muffler model ontology, the piston will be divided into the first cavity and the second cavity inside muffler model ontology；The piston is equipped with the pressure maintaining valve of connection the first cavity and the second cavity；The piston rod of the piston is hollow, and the end of piston rod passes through first baffle and extend out to outside muffler model ontology；The adjustable muffler model further includes extension, and the extension passes through second baffle and stretches to inside muffler model ontology；The muffler model ontology is equipped with the first regulating mechanism for regulating piston in muffler model ontology interior location, and the second regulating mechanism of muffler model ontology inner length is protruded into for adjusting extension.
Description
Technical field
The present invention relates to automobile air conditioning technology field, it is related specifically to a kind of muffler and for the design typification muffler
Adjustable muffler model.
Background technique
As automobile market professional NVH technology rapidly develops, requirement of the user for automobile ride comfort is higher and higher.
To meet the needs of comfort driving, it is desirable that auto parts and components can fully consider making an uproar in car running process in design
Sound.The noise generated in air-conditioning system operation is that Automobile Design production primarily solves the problems, such as, is made an uproar to what electric car was turned on the aircondition
Sound requires also harsher.
The noise generated in air-conditioning system operation, as refrigerant state is different, the requirement of the frequency noise of required solution
It is all different, complicated operating condition is verified, the period is longer, demand resource is excessive, not can effectively solve noise problem still.To in test
The adjustment needs for adjusting muffler inner space are convenient and efficient, more demanding to the pulsation adaptability of various operating condition gases.Due to
The limitation of the prior art and testing equipment, muffler structure is affected to the result of test, and adjusts inconvenience, to gas wink
Between pulse and cannot effectively absorb, cause fast and accurately match muffler.
Summary of the invention
The first purpose of this invention is to propose a kind of muffler that can eliminate gas moment pulsations affect.
Muffler of the invention includes the muffler ontology that both ends are equipped with the tubular of baffle, the both ends of the muffler ontology
It is respectively equipped with the first connecting tube, the second connecting tube；First connecting tube, the second connecting tube are respectively by the inside of muffler ontology
It is connected to outside；Key is that, equipped with demarcation plate in the muffler ontology, muffler body interior is divided by the demarcation plate
First cavity and the second cavity；The demarcation plate is equipped with the pressure maintaining valve of connection the first cavity and the second cavity；Described first connects
The end of adapter tube extend into the first cavity, and connects with demarcation plate, and the end of the first connecting tube passes through the through-hole on demarcation plate
It is communicated with the second cavity；Second connecting tube is extend into the second cavity.
In above-mentioned muffler, the intracorporal length of the second chamber, and adjustment point are extend by changing the second connecting tube
The position of partition, thus it is possible to vary the frequency characteristic of muffler, to targetedly match and reduce making an uproar for automotive air-conditioning system
Sound achievees the purpose that noise reduction.The pressure maintaining valve being arranged on demarcation plate is connected to the first cavity and the second cavity, can be in the second cavity
Air when being influenced by moment pulsation sound wave, the intracorporal portion gas of the second chamber is imported into the first cavity, is played steady
The effect of fixed second inside cavity air pressure is very suitable for eliminate influence of the gas moment pulsation to muffler for wink
Between pulsed sound inhibition.
Further, muffler is connect with air-conditioning associated pipe for convenience, first connecting tube, the second connecting tube position
Butt joint is equipped in the end of muffler body exterior.
Further, in order to limit and fix the first connecting tube and the second connecting tube, the both ends of the muffler ontology are divided
It She You be placed on the first connecting tube, the casing in the second connecting tube, above-mentioned casing is increased to be connect with the first connecting tube and second
The contact area of pipe advantageously reduces or avoids the shaking of the first connecting tube and the second connecting tube relative to muffler ontology.
Second object of the present invention is the adjustable muffler model for proposing to be used for the above-mentioned muffler of design typification, is led to
It crosses the adjustable noise reduction frequency of the model and transmitting loss is accelerated to fast and effeciently verify effective muffler specification
The development rate of muffler.
Adjustable muffler model of the invention includes that both ends are respectively equipped with first baffle, the tubular of second baffle disappears
Sound device model ontology is movably installed with piston in the muffler model ontology, and the piston will be inside muffler model ontology
It is divided into the first cavity and the second cavity；The piston is equipped with the pressure maintaining valve of connection the first cavity and the second cavity；The piston
Piston rod it is hollow, and the end of piston rod pass through first baffle and extend out to outside muffler model ontology；It is described adjustable
Formula muffler model further includes extension, and the extension passes through second baffle and stretches to inside muffler model ontology；Institute
Muffler model ontology is stated to be equipped with for first regulating mechanism of the regulating piston in muffler model ontology interior location, Yi Jiyong
The second regulating mechanism of muffler model ontology inner length is protruded into adjusting extension.
When developing and verifying muffler, the associated pipe of adjustable muffler model and air-conditioning is connected, is then existed
When air-conditioning work, regulating piston to change the size of the second cavity, and adjusts extension in muffler model ontology interior location
Muffler model ontology inner length is protruded into, so as to adjust the adaptation frequency of muffler, to disappearing for adjustable muffler model
After audio fruit makes it, terminates verifying, set muffler according to the specific location of piston in muffler model at this time
The position of demarcation plate in product, and muffler model ontology inner length is protruded into according to extension in muffler model at this time to set
Determine the second connecting tube in muffler product and extend into the intracorporal length of the second chamber, due to the basic structure and reality of muffler model
The muffler product of production is identical, therefore the acoustic damping characteristic of muffler product is just identical as the muffler model after verifying.Pass through
The part-structure of muffler product is designed as adjustable, reduces the development difficulty of muffler, thus accelerate develop into
Degree.
Specifically, first regulating mechanism includes the first sleeve for being fixed on first baffle lateral surface, and described first
The end of sleeve is rotatably mounted with the first adjustment circle, and the outboard end of the first adjustment circle is equipped with internal screw thread；The piston
Bar is equipped with external screw thread in the part for being exposed to muffler model ontology, and piston rod is connect by being threadedly engaged with the first adjustment circle；
The side wall of the first adjustment circle is equipped with the first clamping screw, and the lateral surface of the first sleeve is equipped with first annular slot, institute
The end for stating the first clamping screw stretches in first annular slot.The first clamping screw is unclamped, the end of the first clamping screw is made
It is disengaged with the slot bottom of first annular slot, it can turn the first adjustment circle；The end of the first clamping screw is still at this time
In the groove body of one annular groove, therefore the first adjustment circle is can not to move along the axis of first sleeve；The first adjustment circle turns
Dynamic driving piston rod adjusts piston in muffler model ontology interior location to realize along the axial movement of first sleeve
Purpose.After adjustment, the first clamping screw can be screwed, the end of the first clamping screw is made to be pressed in first annular slot
Slot bottom, prevent first sleeve from continuing to rotate and influence the later period measurement accuracy.
Specifically, second regulating mechanism includes the second sleeve for being fixed on second baffle lateral surface, and described second
The end of sleeve is rotatably mounted with second adjustment circle, and the outboard end of the second adjustment circle is equipped with internal screw thread；The extension
Pipe is equipped with external screw thread in the part for being exposed to muffler model ontology, and extension is connect by being threadedly engaged with second adjustment circle；
The side wall of the second adjustment circle is equipped with the second clamping screw, and the lateral surface of the second sleeve is equipped with the second annular groove, institute
The end for stating the second clamping screw stretches in the second annular groove.The Principles of Regulation of second regulating mechanism and the first regulating mechanism phase
Together, details are not described herein again.
Further, the first baffle, second baffle pass through bolt respectively and the muffler model ontology of tubular is fixed
Connection.First baffle, second baffle are designed as to the structure separated with muffler ontology, can be convenient the installation of piston.
It further, is the leakproofness for improving muffler model ontology, the first baffle, second baffle and muffler mould
The joint of type ontology is equipped with the first sealing ring, and the joint of first baffle and piston rod is equipped with the second sealing ring, second baffle
Third sealing ring is equipped with the joint of extension.
Further, for convenience of muffler is connect with air-conditioning associated pipe, the end of the piston rod, extension end
Portion is respectively equipped with butt joint.
Further, to improve the leakproofness between piston and muffler model, the lateral surface of the piston is equipped with and disappears
The 4th sealing ring that sound device model ontology inner wall connects.
The present invention can quickly and accurately test out the acoustic damping characteristic of muffler by adjustable muffler model, from
And reliable reference is provided for the sizing of muffler, according to the muffler of muffler modelling sizing to moment air pulsing
There is certain buffer function, erasure effect is good.
Detailed description of the invention
Fig. 1 is the axonometric drawing of the muffler model in the present invention.
Fig. 2 is sectional view of the muffler model in the present invention along axis.
Fig. 3 is the structural schematic diagram of the first regulating mechanism in the present invention.
Fig. 4 is the structural schematic diagram at the piston in the present invention.
In figure label for：1, muffler model ontology；2, first baffle；3, second baffle；4, the first sealing ring；5, spiral shell
Bolt；6, piston；7, pressure maintaining valve；8, piston rod；9, extension；10, the second sealing ring；11, third sealing ring；12, first sleeve；
13, the first adjustment circle；14, the first clamping screw；15, first annular slot；16, second sleeve；17, second adjustment circle；18, second
Clamping screw；19, the second annular groove；20, butt joint；21, the 4th sealing ring.
Specific embodiment
It is for example related each to a specific embodiment of the invention by the description to embodiment below against attached drawing
The shape of component, construction, the mutual alignment between each section and connection relationship, the effect of each section and working principle etc. are made into one
The detailed description of step.
Embodiment 1：
The present embodiment proposes a kind of adjustable muffler model for design typification muffler, can be adjusted by the model
Noise reduction frequency and transmitting loss are saved, to fast and effeciently verify effective muffler specification, accelerates the exploitation speed of muffler
Degree.
As shown in Figure 1, 2, the adjustable muffler model of the present embodiment includes the muffler model ontology 1 of tubular, is disappeared
The both ends of sound device model ontology 1 are respectively equipped with first baffle 2, second baffle 3, and first baffle 2, the structure of second baffle 3 are identical,
Be circular slab, first baffle 2, second baffle 3 edge be equipped with the step towards muffler model ontology 1, the step it is straight
Diameter is slightly less than the internal diameter of muffler model ontology 1, is equipped with the first sealing ring 4, the outer rim and noise reduction of the first sealing ring 4 at step surface
The inner wall of device model ontology 1 offsets, to realize sealing function.First baffle 2, second baffle 3 are fixed on by bolt 5 respectively to disappear
The both ends of sound device model ontology 1.
Piston 6 is movably installed in muffler model ontology 1, piston 6 can be moved along the axial direction of muffler model ontology 1
It is dynamic；The piston 6 will be divided into the first cavity and the second cavity of left and right inside muffler model ontology 1, as piston 6 is in noise reduction
The volume of movement in device model ontology 1, the first cavity and the second cavity can also change therewith, when the first cavity volume increases
When, correspondingly, the volume of the second cavity reduces, and vice versa.
Piston 6 is equipped with the pressure maintaining valve 7 of connection the first cavity and the second cavity；Pressure maintaining valve 7 can be by the pressure of the second cavity
Power depressurizes and is stabilized to a definite value, in the air-flow variation for coping with burst formula, can stablize the intracorporal air pressure of the second chamber.
In addition influence of the sudden impulses to test matching result precision can be avoided in matching muffler test.
The piston rod 8 of piston 6 is hollow, and the end of piston rod 8 passes through first baffle 2 and extend out to muffler model ontology
Outside 1, so that the second cavity of muffler model ontology is connected to outside；Adjustable muffler model is in the second cavity
Side is movably installed with extension 9, and extension 9 passes through second baffle 3 and stretches to inside muffler model ontology 1, thus will
Second cavity of muffler model ontology is connected to outside；Extension 9 can be along the axial movement of muffler model ontology 1.
The joint of first baffle 2 and piston rod 8 is equipped with the second sealing ring 10, and second baffle 3 and the joint of extension 9 are equipped with third
Sealing ring 11.
The muffler model ontology 1, which is equipped with, to be adjusted for regulating piston 6 the first of 1 interior location of muffler model ontology
Mechanism is saved, and protrudes into the second regulating mechanism of 1 inner length of muffler model ontology for adjusting extension 9.
In the present embodiment, the first regulating mechanism includes the first sleeve 12 for being fixed on 2 lateral surface of first baffle, first set
Cylinder 12 is preferably wholely set with first baffle 2, to reduce the quantity of connector and guarantee the leakproofness of the two；First sleeve 12
End is rotatably mounted with the first adjustment circle 13, and the outboard end of the first adjustment circle 13 is ring-shaped step, ring-shaped step
Internal diameter is less than the internal diameter of first sleeve 12, and ring-shaped step is equipped with internal screw thread；Piston rod 8 is being exposed to muffler model ontology 1
Part is equipped with external screw thread, and piston rod 8 is connect by being threadedly engaged with the first adjustment circle 13；The side wall of the first adjustment circle 13 is equipped with
The lateral surface of one or more first clamping screws 14, first sleeve 12 is equipped with first annular slot 15, the first clamping screw 14
End passes through the side wall of the first adjustment circle 13 and stretches in first annular slot 15.The first clamping screw 14 is unclamped, the first lock is made
The tight end of bolt 14 and the slot bottom of first annular slot 15 disengage, can turn the first adjustment circle 13；First locking at this time
The end of bolt 14, to form barrier limit, makes the first adjustment circle 13 can not edge still in the groove body of first annular slot 15
First sleeve 12 axis it is mobile；The rotate driving piston rod 8 of the first adjustment circle 13 along first sleeve 12 axial movement, from
And adjustment piston 6 is realized in the purpose of 1 interior location of muffler model ontology.After adjustment, the first lock can be screwed
Tight bolt 14, makes the end of the first clamping screw 14 be pressed in the slot bottom of first annular slot 15, prevents first sleeve 12 from continuing to turn
Accuracy that is dynamic and influencing later period measurement.
Second regulating mechanism includes the second sleeve 16 for being fixed on 3 lateral surface of second baffle, and similarly, second sleeve 16 is most
It is good to be wholely set with second baffle 3, to reduce the quantity of connector and guarantee the leakproofness of the two；The end of second sleeve 16 can
It is rotatably mounted second adjustment circle 17, the outboard end of second adjustment circle 17 is ring-shaped step, and the internal diameter of ring-shaped step is less than the
The internal diameter of two sleeves 16, ring-shaped step are equipped with internal screw thread；Extension 9 is equipped with outer in the part for being exposed to muffler model ontology 1
Screw thread, extension 9 are connect by being threadedly engaged with second adjustment circle 17；The side wall of second adjustment circle 17 is equipped with one or more
Second clamping screw 18, the lateral surface of second sleeve 16 are equipped with the second annular groove 19, and the end of the second clamping screw 18 passes through the
Two adjustment are enclosed 17 side wall and are stretched in the second annular groove 19.The Principles of Regulation of second regulating mechanism and the first regulating mechanism phase
Together, details are not described herein again.
For convenience of muffler to be connect with air-conditioning associated pipe, the end of piston rod 8, the end of extension 9 are respectively equipped with
Butt joint 20.
The leakproofness between piston 6 and muffler model is improved, the lateral surface of piston 6 is equipped with and muffler model ontology 1
The 4th sealing ring 21 that inner wall connects.
Muffler model in the present embodiment is used to design and verify the muffler of following structures：
The muffler includes the muffler ontology of tubular, and the both ends of muffler ontology are equipped with baffle；The both ends of muffler ontology point
It She You not the first connecting tube, the second connecting tube；First connecting tube, the second connecting tube are each passed through the baffle of respective side and incite somebody to action
The inside of muffler ontology is connected to outside；It is equipped with demarcation plate in muffler ontology, the demarcation plate is by muffler body interior
It is divided into the first cavity and the second cavity；The demarcation plate is equipped with the pressure maintaining valve of connection the first cavity and the second cavity；Described
The end of one connecting tube extend into the first cavity, and connects with demarcation plate, and the end of the first connecting tube passes through on demarcation plate
Through-hole is communicated with the second cavity；Second connecting tube is extend into the second cavity；First connecting tube, the second connecting tube, which are located at, to disappear
The end of sound device body exterior is equipped with butt joint.
In above-mentioned muffler, the intracorporal length of the second chamber, and adjustment point are extend by changing the second connecting tube
The position of partition, thus it is possible to vary the frequency characteristic of muffler, to targetedly match and reduce making an uproar for automotive air-conditioning system
Sound achievees the purpose that noise reduction.The pressure maintaining valve being arranged on demarcation plate is connected to the first cavity and the second cavity, can be in the second cavity
Air when being influenced by moment pulsation sound wave, the intracorporal portion gas of the second chamber is imported into the first cavity, is played steady
The effect of fixed second inside cavity air pressure is very suitable for eliminate influence of the gas moment pulsation to muffler for wink
Between pulsed sound inhibition.
In order to limit and fix the first connecting tube and the second connecting tube, the both ends of the muffler ontology, which are respectively equipped with, to be placed on
Casing in first connecting tube, the second connecting tube, above-mentioned casing increase the contact surface with the first connecting tube and the second connecting tube
Product, advantageously reduces or avoids the shaking of the first connecting tube and the second connecting tube relative to muffler ontology.Above-mentioned casing is most
The good baffle design with respective side is structure as a whole, to reduce the quantity of connector and guarantee the leakproofness of the two.
When developing and verifying muffler, the associated pipe of adjustable muffler model and air-conditioning is connected, is then existed
When air-conditioning work, regulating piston 6 to change the size of the second cavity, and adjusts extension in 1 interior location of muffler model ontology
Pipe 9 protrudes into 1 inner length of muffler model ontology, so as to adjust the adaptation frequency of muffler, to adjustable muffler model
Erasure effect make it after, terminate verifying, disappear according to the specific location of piston 6 in muffler model at this time to set
The position of demarcation plate in sound device product, and minister in muffler model ontology 1 is protruded into according to extension 9 in muffler model at this time
Degree extend into the intracorporal length of the second chamber to set the second connecting tube in muffler product, due to the basic structure of muffler model
It is identical as the muffler product of actual production, thus the acoustic damping characteristic of muffler product just with the muffler model phase after verifying
Together.By the way that the part-structure of muffler product is designed as adjustable, the development difficulty of muffler is reduced, to accelerate
Development progress.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention specifically designs the not limit by aforesaid way
System as long as using the improvement for the various unsubstantialities that conception and technical scheme of the invention carry out, or not improved is sent out this
Bright conception and technical scheme directly apply to other occasions, within the scope of the present invention.
Claims (10)
1. a kind of muffler is equipped with the muffler ontology of the tubular of baffle, the both ends difference of the muffler ontology including both ends
Equipped with the first connecting tube, the second connecting tube；First connecting tube, the second connecting tube are respectively by the inside of muffler ontology and outer
Portion's connection；It is characterized in that being equipped with demarcation plate in the muffler ontology, muffler body interior is divided into the by the demarcation plate
One cavity and the second cavity；The demarcation plate is equipped with the pressure maintaining valve of connection the first cavity and the second cavity；First connection
The end of pipe extend into the first cavity, and connects with demarcation plate, the end of the first connecting tube by through-hole on demarcation plate with
Second cavity communicates；Second connecting tube is extend into the second cavity.
2. muffler according to claim 1, it is characterised in that first connecting tube, the second connecting tube are located at muffler
The end of body exterior is equipped with butt joint.
3. muffler according to claim 1, it is characterised in that the both ends of the muffler ontology, which are respectively equipped with, is placed on
Casing in one connecting tube, the second connecting tube.
4. the adjustable muffler model for muffler described in design typification claim 1, it is characterised in that including both ends
Be respectively equipped with first baffle, second baffle tubular muffler model ontology, activity installation in the muffler model ontology
There is piston, the piston will be divided into the first cavity and the second cavity inside muffler model ontology；The piston is equipped with connection
The pressure maintaining valve of first cavity and the second cavity；The piston rod of the piston is hollow, and the end of piston rod pass through first baffle and
It extend out to outside muffler model ontology；The adjustable muffler model further includes extension, and the extension passes through the
Two baffles and stretch to inside muffler model ontology；The muffler model ontology is equipped with for regulating piston in muffler mould
First regulating mechanism of type body interior position, and protrude into muffler model ontology inner length for adjusting extension
Two regulating mechanisms.
5. adjustable muffler model according to claim 4, it is characterised in that first regulating mechanism includes solid
Due to the first sleeve of first baffle lateral surface, the end of the first sleeve is rotatably mounted with the first adjustment circle, described
The outboard end of the first adjustment circle is equipped with internal screw thread；The piston rod is equipped with outer spiral shell in the part for being exposed to muffler model ontology
Line, piston rod are connect by being threadedly engaged with the first adjustment circle；The side wall of the first adjustment circle is equipped with the first clamping screw,
The lateral surface of the first sleeve is equipped with first annular slot, and the end of first clamping screw stretches in first annular slot.
6. adjustable muffler model according to claim 4, it is characterised in that second regulating mechanism includes solid
Due to the second sleeve of second baffle lateral surface, the end of the second sleeve is rotatably mounted with second adjustment circle, described
The outboard end of second adjustment circle is equipped with internal screw thread；The extension is equipped with outer spiral shell in the part for being exposed to muffler model ontology
Line, extension are connect by being threadedly engaged with second adjustment circle；The side wall of the second adjustment circle is equipped with the second clamping screw,
The lateral surface of the second sleeve is equipped with the second annular groove, and the end of second clamping screw stretches in the second annular groove.
7. adjustable muffler model according to claim 4, it is characterised in that the first baffle, second baffle point
It is not fixedly connected by bolt with the muffler model ontology of tubular.
8. adjustable muffler model according to claim 7, it is characterised in that the first baffle, second baffle with
The joint of muffler model ontology is equipped with the first sealing ring, and the joint of first baffle and piston rod is equipped with the second sealing ring,
The joint of second baffle and extension is equipped with third sealing ring.
9. the adjustable muffler model according to claim 4 or 5 or 6 or 7, it is characterised in that the end of the piston rod
Portion, extension end be respectively equipped with butt joint.
10. the adjustable muffler model according to claim 4 or 5 or 6 or 7, it is characterised in that outside the piston
Side is equipped with the 4th sealing ring to connect with muffler model ontology inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810377266.6A CN108819653B (en) | 2018-04-25 | 2018-04-25 | Silencer and adjustable silencer model for designing and shaping silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810377266.6A CN108819653B (en) | 2018-04-25 | 2018-04-25 | Silencer and adjustable silencer model for designing and shaping silencer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108819653A true CN108819653A (en) | 2018-11-16 |
| CN108819653B CN108819653B (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810377266.6A Active CN108819653B (en) | 2018-04-25 | 2018-04-25 | Silencer and adjustable silencer model for designing and shaping silencer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594129A (en) * | 2019-08-21 | 2019-12-20 | 珠海格力电器股份有限公司 | Method for adjusting length of silencing cavity, length-adjustable silencer and variable-frequency air conditioner |
| CN110848963A (en) * | 2019-10-30 | 2020-02-28 | 珠海格力电器股份有限公司 | Cavity length-adjustable formula muffler and air conditioner |
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| CN110594129A (en) * | 2019-08-21 | 2019-12-20 | 珠海格力电器股份有限公司 | Method for adjusting length of silencing cavity, length-adjustable silencer and variable-frequency air conditioner |
| CN110848963A (en) * | 2019-10-30 | 2020-02-28 | 珠海格力电器股份有限公司 | Cavity length-adjustable formula muffler and air conditioner |
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