CN110259663A - A kind of novel moving-magnetic type reciprocal linear compressor - Google Patents
A kind of novel moving-magnetic type reciprocal linear compressor Download PDFInfo
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- CN110259663A CN110259663A CN201910556411.1A CN201910556411A CN110259663A CN 110259663 A CN110259663 A CN 110259663A CN 201910556411 A CN201910556411 A CN 201910556411A CN 110259663 A CN110259663 A CN 110259663A
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- piston
- cylinder
- spring
- packet frame
- line packet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The present invention provides a kind of novel moving-magnetic type reciprocal linear compressors, including sealing shell, mover assembly and line packet frame assembly；The magnet ring that mover assembly includes piston, is embedded in the groove of piston, the left end of piston is resiliently supported on the left inside wall of sealing shell by preceding holddown spring and spring intermediate support beam, and the right end of piston is resiliently supported on the right inner wall of sealing shell by rear holddown spring and air cylinder supporting structure；It is wound with coil in line packet frame assembly, does linear reciprocating motion in the alternating magnetic field generated inside the online packet frame assembly of the magnet ring on piston, realizes the acting of piston compressed gas.The present invention reduces inside dimension, reduces air gap, increase compressor specific thrust, place holddown spring in piston two sides, reach compressor resonant frequency, the working efficiency of compressor can be greatly improved by the way that magnet ring to be embedded in piston.The compact-sized of compressor of the invention, runs efficient and long service life at stable connection, has good application value.
Description
Technical field
The present invention relates to the technical field of refrigeration equipment more particularly to a kind of novel moving-magnetic type reciprocal linear compressors.
Background technique
With the raising of world technology level, economic rapid development, refrigerating plant is applied to various sophisticated technologies forward positions, city
Field has a high potential.Compressor is the core and heart of refrigeration system, while being also compressed air, refrigerant or other various work
Gas and the mechanical device for promoting its pressure.Compressor has been widely used on the industrial equipments such as refrigerator, air-conditioning.
Compressor is the power source of refrigeration equipment, and compressor is roughly divided into reciprocating compressor, rotary compressor, past
In twin compressor, the compression space for sucking or being discharged working gas is formed between piston and cylinder, and piston is in cylinder
Inner linear is moved back and forth to compress refrigerant；In rotary compressor, the compression for sucking or being discharged working gas is empty
Between be formed between the idler wheel and cylinder being eccentrically rotated, idler wheel is eccentrically rotated along cylinder inner wall to compress refrigerant.
Structure is complicated for existing compressor, fluctuation of service, and compressor is at high cost, is not able to satisfy durable
Use demand.
Summary of the invention
In view of the above technical problems, the purpose of the present invention is to provide a kind of novel moving-magnetic type reciprocal linear compressor,
Structurally reasonable, stable operation, while the cost of compressor had both been reduced, also meet long-lived use demand.
To achieve the above object, the present invention provides a kind of novel moving-magnetic type reciprocal linear compressor, including sealing shell,
Mover assembly and line packet frame assembly in the sealing shell；
The mover assembly includes the piston being located on sealing shell central axis, is embedded in the groove of the piston
The left end of magnet ring, the piston is resiliently supported at the left inside of the sealing shell by preceding holddown spring and spring intermediate support beam
On wall, the right end of the piston is resiliently supported at the right inner wall of the sealing shell by rear holddown spring and air cylinder supporting structure
On；
The line packet frame assembly is fixed on the periphery of the piston, the line packet frame combination by the air cylinder supporting structure
It is wound with coil in body, does reciprocating linear fortune in the alternating magnetic field generated inside the online packet frame assembly of the magnet ring on the piston
It is dynamic, the acting of piston compressed gas is realized, by the refrigerant gas of the refrigerant gas boil down to high temperature and pressure of low-temp low-pressure.
Further, the line packet frame assembly includes four quadrant camber line packet framves, is located at the circular arc line packet
The coil in frame middle position, the line packet frame retaining ring that the circular arc line packet frame is fixed together；
The top of each circular arc line packet frame has symmetrical rectangular flange, and its underpart has symmetrical rectangular recess, side
Face has the arc groove for placing the line packet frame retaining ring；
The centre of each circular arc line packet frame has the oval shank for winding the coil.
Optionally, admission air silencer, the right side cavity and cylinder mistake of the piston are equipped in the left side cavity body of the piston
Cooperation is crossed, is equipped with muffler in the cylinder.
Further, the outer surface of the piston is equipped with the annular groove for placing magnet ring, and the left end face of piston is set
There are four threaded holes being threadedly coupled with admission air silencer baffle, the rightmost side of piston, which is equipped with, is used to support the rear compression
The annular flange of spring；
The inside of the piston is formed with the baffle that internal piston is divided into left side cavity and right side cavity；On the baffle
Eight air inlets are evenly distributed with, the air inlet is blocked under normal barometric pressure by air-intake valve plate；
The center of the baffle has the piston shaft extended in the left side inside cavity.
Preferably, the admission air silencer is made of left side part and right side part；
The left side of the left side part has there are three crescent shaped groove and the axis hole cooperated with the piston shaft,
The center and both ends of left side part right side are provided with the first stepped groove, internal to have annular cavity and interior panelling；
The inside of the right side part has annular cavity, left side baffle and right-hand apron, has on the right-hand apron
There are three crescent shaped grooves and the axis hole cooperated with piston shaft, and the center and both ends of right side part right side are provided with
The second stepped groove cooperated with the first stepped groove of the left side part.
Preferably, the muffler is made of left side part, centre part, right side part three parts；
The left side of the left side part is circular ring shape end face, and right side is provided with stepped groove, and internal middle baffle plate is opened
There are 4 symmetrical through-holes；
The left side of the centre part is provided with stepped groove, and internal middle baffle plate is provided with 4 symmetrical through-holes,
Its right end face is provided with 4 symmetrical threaded holes；
The right side part is connected and composed by left cylinder, right cylinder by truncated cone-shaped cylinder transition, outside the left cylinder
It is provided with portion with external threads, for being threadedly coupled with the threaded hole at centre part right end face center.
Further, the cylindrical shape of the cylinder and it is internal be cylinder inner cavity, the left end face of cylinder opens that there are four right
Claim the through-hole of distribution, the cylinder inner cavity left side is provided with circular groove, and the center of the circular groove is provided with for fixing
The threaded hole of exhaust valve plate, the cylinder inner cavity and the muffler are transition fit setting；
The right side of cylinder is flushed with the right side of the centre part, the right side of cylinder be provided with 4 it is symmetrical
Threaded hole is threadedly coupled the fixation for realizing cylinder and the air cylinder supporting structure by slotted cheese head screw with threaded hole.
Preferably, the spring that is threaded with of piston shaft left end connects shaft, and spring connects the middle part of shaft
It is divided into polished rod, the left side external screw thread of the spring connection shaft is connect with spring locking nut thread, right side external screw thread and work
The internal screw thread for filling in shaft is threadedly coupled；
The correction bullet for adjusting piston position is equipped between the spring locking nut and the left end of the piston shaft
Spring.
Optionally, the spring intermediate support beam equals convex shape to be lower, and there are four symmetrical altogether for the ear of left and right two
The left shell of the threaded hole of distribution, the spring intermediate support beam and sealing shell is by using soket head cap screw and threaded hole
It is threadedly coupled and realizes fixation；
The raised head face of the spring intermediate support beam has corresponding with the annular convex platform of the admission air silencer baffle
Annular convex platform, the preceding holddown spring is supported by between the annular convex platform and annular convex platform；
The center of the raised head face is provided with the axis hole that shaft cooperation is connect with the spring, the left and right of the axis hole
End face is formed with configured left boss and right boss for fixed correction spring.
Further, the air cylinder supporting structure cylindrical in shape, inside with middle baffle plate be divided into left chamber body and right chamber
Body；
The right end of the line packet frame assembly, the right side of air cylinder supporting structure are fixed in the left side of the air cylinder supporting structure
It is bonded with the right side shell of sealing shell；
The middle baffle plate is provided with 8 symmetrical tapped through holes, wherein the spiral shell of 4 tapped through holes and cylinder right side
Pit alignment passes through slotted cheese head screw and the threaded connection realization cylinder of threaded hole and being fixedly connected for air cylinder supporting structure；
Other 4 tapped through holes are aligned with the threaded hole of the centre part right side, pass through slotted cheese head screw and threaded hole
It is threadedly coupled the fixation for realizing muffler and air cylinder supporting structure；
The left side of the middle baffle plate is equipped with round ring boss, and the rear holddown spring is supported on the piston right side
Between annular flange and the round ring boss, the center of middle baffle plate is provided with logical with the right side part clearance fit
Hole.
By upper, novel moving-magnetic type reciprocal linear compressor of the invention uses moving-magnetic type structure, while optimizing previous pressure
Contracting machine structure, it is structurally reasonable, reduce size, reduce cost, reduce the air gap of piston and cylinder, increases specific thrust, make compressor
Has energy-efficient, long-lived use demand.By the way that magnet ring to be embedded in piston, reduces inside dimension, reduce air gap, increase
Add compressor specific thrust, while placing holddown spring in piston two sides, reaches compressor resonant frequency, can be greatly improved
The working efficiency of compressor.The present invention realizes compact-sized, the company of compressor by carrying out structure optimization to multiple components
Firm, operation is connect efficiently and the effect of long service life, there is significant progress and good popularization to answer the prior art
With value.
Detailed description of the invention
Fig. 1 is compressor the schematic diagram of the section structure of the invention；
Fig. 2 is line packet frame a quarter part-structure perspective view of the invention；
Fig. 3 is line packet frame overall structure perspective view of the invention；
Fig. 4 is piston overall structure perspective view of the invention, wherein (a) is a kind of state, it (b) is another state；
Fig. 5 is piston overall structure cross-sectional view of the invention；
Fig. 6 is the structural schematic diagram of part on the left of admission air silencer of the invention, wherein (a) is perspective view, it (b) is to face
Figure；It (c) is sectional view；
Fig. 7 is the structural schematic diagram of part on the right side of admission air silencer of the invention, wherein (a) is perspective view, it (b) is to face
Figure；It (c) is sectional view；
Fig. 8 is admission air silencer overall structure perspective view of the invention；
Fig. 9 is the structural perspective of admission air silencer baffle of the invention；
Figure 10 is the structural perspective that spring of the invention connects shaft；
Figure 11 is the structural perspective of spring locking nut of the invention, wherein (a) is a kind of state, it (b) is another shape
State；
Figure 12 is the structural perspective of spring intermediate support beam of the invention, wherein (a) is a kind of state, it (b) is another
State；
Figure 13 is the structural perspective of cylinder of the invention, wherein (a) is a kind of state, it (b) is another state；
Figure 14 is that the structural perspective of muffler left side part of the invention (b) is wherein (a) is a kind of state
Another state；
Figure 15 be muffler centre part of the invention structural perspective, wherein (a) be a kind of state, (b) be
Another state (c) is sectional view；
Figure 16 is the structural perspective of part on the right side of muffler of the invention；
Figure 17 is the structural schematic diagram of muffler of the invention, wherein (a) is overall structure perspective view, it (b) is to cut open
Face figure；
Figure 18 is the overall structure perspective view of air cylinder supporting structure of the invention, wherein (a) is a kind of state, it (b) is another
State；
Figure 19 is the structural perspective of air-intake valve plate of the invention；
Figure 20 is the structural perspective of exhaust valve plate of the invention；
Figure 21 is left shell structural perspective of the invention；
Figure 22 is the structural schematic diagram of middle casing of the invention, wherein (a) is structural perspective, it (b) is sectional view；
Figure 23 is the structural perspective of right shell of the invention；
Figure 24 is the structural perspective of sealing shell of the invention, wherein (a) is overall structure perspective view, it (b) is section
Figure；
Figure 25 is the structural perspective of magnet ring of the invention；
Figure 26 is compressor inner structure cross-sectional view of the invention；
Figure 27 is compressor overall construction drawing of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as outer, interior, left and right ...) of institute is only used for explaining in the embodiment of the present invention
In relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if the specific appearance
When state changes, then directionality instruction also correspondingly changes correspondingly.Wherein, " left side " corresponds to the left side in Fig. 1, and " right side " is right
It should be in the right side in Fig. 1.
Novel moving-magnetic type reciprocal linear compressor of the invention is described in detail referring to Fig. 1 to Figure 27, it is of the invention
Novel moving-magnetic type reciprocal linear compressor realized using moving-magnetic type scheme inside compressor it is reciprocating it is linear do work, often
Applied to refrigeration equipments such as air-conditioning, refrigerators.
There is the component for compressing refrigerant, sealing shell inside novel moving-magnetic type reciprocal linear compressor of the invention
22,23,24 be sealing container, and the inside of sealing shell 22,23,24 is filled with low pressure refrigerant.Novel moving-magnetic type of the invention
Reciprocal linear compressor includes mover assembly, spring intermediate support beam 3, cylinder 13, exhaust valve plate 14, muffler 15,16,
17, air cylinder supporting structure 18, line packet frame assembly 19,20,21, sealing shell 22,23,24, air inlet pipe 25, exhaust pipe 26, connection
Screw 27,28,29,30.The seal casinghousing of compressor of the invention is divided into three parts, respectively left shell 22, middle casing
23, right shell 24.
Mover assembly include spring locking nut 1, spring connection shaft 2, spring intermediate support beam 3, preceding holddown spring 4,
Air inlet silencing baffles 5, piston 6, admission air silencer 300, air-intake valve plate 9, magnet ring 10, correcting spring 11, rear holddown spring 12.
Referring to the structure of Fig. 2 detailed description line packet frame assembly 19,20,21, line packet frame assembly of the invention is by four
A quadrant camber line packet frame 100 (referred to as small line packet frame here) is fixed together by line packet frame retaining ring 21, Mei Ge little
100 top of line packet frame has symmetrical rectangular flange 102, and lower part has symmetrical rectangular recess 101, while small line packet frame 100
Side has the arc groove 103 for placing line packet frame retaining ring 21, has oval shank 104 among each small line packet frame 100,
It is while also to make structure between coil 105 and shank 104 tight in order to which coil 105 is more easily installed using oval shank 104
It gathers, run efficiently；Herein between oval shank 104 and the internal edge 106 and external margin 107 of small line packet frame 100 all
There is certain depth, there can be enough spaces according to the power demand of compressor to wind 105 the number of turns of coil of needs.
Referring to the assembling of Fig. 3 detailed description line packet frame, the installation of line packet frame is the top square by each small line packet frame 100
The rectangular recess 101 that shape flange 102 is placed into another small line packet frame lower part, which intersects, is assembled into a round wire packet frame 99,
Then it is locked by line packet frame retaining ring 21, it is whole finally to form line packet frame.Left side (the i.e. line packet frame retaining ring of line packet frame
21 side) it is fixed by the annular convex platform 236 inside middle casing 23, the right side of line packet frame passes through air cylinder supporting structure 18
It is fixed.105 the number of turns of coil on line packet frame is determined according to the power demand of compressor, it is known that determining line
105 the number of turns are enclosed, first to the coil 105 for determining the number of turns is wound in the shank 104 of each small line packet frame, then assembling has coil
It is whole to eventually form the line packet frame with coil for 105 small line packet frame 100.
Referring to the structure of Fig. 4, Fig. 5 detailed description piston 6, piston 6 of the invention is the core part of compressor, piston 6
Outer surface be equipped with the annular groove 201 for placing magnet ring 10, annular groove 201 can place two symmetrical magnet rings 10, such as figure
Shown in 25.There are four threaded holes 203 for the left end face 202 of piston 6, are threadedly coupled with admission air silencer baffle 5, piston 6
The rightmost side be equipped with annular flange 204, for holddown spring 12 after supporting.
The inside of piston 6 is divided into two parts, and left side is by the left side of piston interior surface 205 and baffle 206, piston shaft
207 constitute left side cavity 208, and right side is made of right side cavity 209, piston shaft the right side of piston interior surface 205 and baffle 206
207 in 208 internal stretch of left side cavity.Left side cavity 208 is used to place admission air silencer 300, right side cavity 209 and cylinder 13
Transition fit is done work, and eight air inlets 210 of regular distribution on the interior panelling 206 of piston 6, air inlet 210 is just
It is blocked under normal atmospheric pressure by air-intake valve plate 9, air-intake valve plate 9 is the threaded hole by 206 right side of slotted cheese head screw 28 and baffle
212 are threadedly coupled fixation, and when air pressure inside is far below outside atmospheric pressure, air-intake valve plate 9 is opened.Right side cavity 209 and cylinder
13 transition fits are done work, and have internal screw thread 211 to be used for and spring connecting shaft on the inside of 207 section of stretching out of piston shaft of internal piston
Bar 2 is threadedly coupled, spring connection shaft 2 both side ends have external screw thread, on the left of screw thread and spring locking nut 1
It is threadedly coupled, the screw thread on right side is threadedly coupled with piston shaft 207.
Admission air silencer structure is described in detail referring to Fig. 6, Fig. 7, Fig. 8, admission air silencer of the invention is by left-right parts
Two part compositions, there are three crescent shaped groove 302 and and piston shafts for the left side of the left side part 301 of admission air silencer 300
The axis hole 303 that bar 207 is cooperated is provided with stepped groove 311,312, respectively annular groove in axis hole right side center
311 and annular convex platform 312, inside parts have annular cavity 304 and interior panelling 305, are provided with circle on interior panelling 305
Annular groove 306, while stepped groove 307 at two are provided in part right end face, 308, respectively groove 307 and boss 308 are used
Cooperated with the right side part 315 with admission air silencer.The stepped groove 311,312 and stepped groove 37,38 constitute the first rank
Terraced slot.
The left end face of the right side part 315 of admission air silencer 300 is also provided with stepped groove 309 at two, and 310, it is respectively recessed
Slot 309 and boss 310 are cooperated to the left side part 301 with admission air silencer, left side part 301 groove 37 with
The boss 310 of right side part 315 is in close contact, but is not bonded between groove 309 and boss 38, and there are gaps.Right side part 315
Internal axis hole left side position is provided with stepped groove 313,314, respectively annular convex platform 313 and annular groove 314, left side part
301 annular groove 311 is fitted closely with the annular convex platform 313 of right side part 315, but annular convex platform 312 and annular groove 314
Between be not bonded, there are gaps.
There is annular cavity 316 inside right side part 315, is provided with toroidal cavity on the left side baffle 320 of inside parts
319, there are three crescent shaped grooves 317 and the axis hole cooperated with piston shaft 207 on the right-hand apron 318 of inside parts
303, right-hand apron 318 has certain distance apart from part right side, had both facilitated 6 air inlet of piston here or had been able to achieve better noise reduction
Effect.Admission air silencer 300 is cooperated by the axis hole 303 of itself with piston shaft 207, the thickness of admission air silencer 300
With 208 equivalent width of left side cavity of internal piston, the i.e. left end face of the left end face 202 of piston 6 and admission air silencer 300
It flushes.
Referring to the structure of Fig. 9 detailed description admission air silencer baffle 5, admission air silencer baffle 5 is provided with 4 regular distributions
Threaded hole 53, while through-hole 54 is provided among admission air silencer baffle 5, in the left side of admission air silencer 300, air inlet noise reduction is set
On the one hand device baffle 5 is that fixed admission air silencer 300 moves axially, has annular on the left of another aspect admission air silencer baffle 5
Boss 51 provides position location to install preceding holddown spring 4；Crescent through-hole 52 there are three admission air silencer baffles 5 simultaneously,
When installation, make the crescent hole 52 of admission air silencer baffle 5 and the holding pair of crescent shaped groove 302 of 300 left side of admission air silencer
Together, while the through-hole 54 of admission air silencer baffle 5 being made to pass through piston shaft 207, finally by using slotted cheese head screw 30
It is threadedly coupled across the threaded hole 53 of admission air silencer baffle 5 with the threaded hole 203 of piston 6, realizes and fix.
As shown in Figure 10, spring connection shaft 2 of the invention be by left side external screw thread 210, intermediate polished rod 220, right side outside
Screw thread 230 forms, wherein the diameter of left side external screw thread 210 is less than the diameter of intermediate polished rod 220.Left side external screw thread 210 and spring
Locking nut 1 is threadedly coupled, and right side external screw thread 230 is threadedly coupled with the internal screw thread 211 of piston shaft 207, is realized
It is fixed.As shown in figure 11, the center of spring locking nut 1 of the invention is provided with tapped through hole 100, and it is convex that right side is provided with circular arc
Platform 101 is used to support correcting spring 11, and left side is smooth plane 102.
The structure of 2 detailed description spring intermediate support beams 3 referring to Fig.1, spring intermediate support beam 3 of the invention are on lower put down
Convex shape, there are four regular symmetrical threaded hole 31, spring intermediate support beam 3 and left shells altogether for the ear of left and right two
22 are threadedly coupled by using soket head cap screw 27 with threaded hole 31, are realized and are fixed.The raised head face 33 of spring intermediate support beam 3
With annular convex platform 32 identical with 51 size of annular convex platform of admission air silencer baffle 5, two annular convex platform 32,51 symmetrically divide
Cloth, holddown spring 4 before being used to support.The center of raised head face 33 is provided with axis hole 34, is used for spring intermediate support beam 3 and bullet
Spring connects shaft 2 and carries out shaft hole matching, and the center of axis hole 34 is provided with annular groove 35, for placing lubricating grease, realizes axis
Hole lubrication, reduces abrasion.The left and right end face of axis hole 34 all machined annular convex platform simultaneously, and respectively configured left boss 36 and right side is convex
Platform 37, the fixed left side correcting spring 11 of the circular arc boss 101 of configured left boss 36 and spring locking nut 1, right boss 37 and living
The fixed right side correcting spring 11 of shaft 207 is filled in, locknut 1 can be locked by adjustment spring and realizes that piston is in ideal position.
As shown in figure 13, cylinder 13 of the invention is similar cylindrical shape, and the left end face of cylinder 13 opens that there are four symmetrical
The through-hole 131 of distribution, the left side of cylinder inner cavity 132 are provided with circular groove 134, while the center of its circular groove 134
It is provided with threaded hole 133 (blind hole), by the fixed exhaust valve plate 14 of slotted cheese head screw 28, exhaust valve plate 14 is hidden under conventional sense
Four through-holes 131 are blocked, when pressure at expulsion is greater than valve block cracking pressure, exhaust valve plate 14 is opened.Cylinder inner cavity 132 disappears with exhaust
Sound device 150 is transition fit, convenient for the installation of muffler 150, the right side 135 of cylinder 13 and muffler centre zero
16 right side of part flushes.The right side 135 of cylinder 13 is provided with 4 symmetrical threaded holes 136 simultaneously, passes through socket cap of slotting
Screw 29 is threadedly coupled with threaded hole 136, realizes the fixation of cylinder 13 and air cylinder supporting structure 18.
Referring to the composition of Figure 14, Figure 15, Figure 16, Figure 17 detailed description muffler 150, exhaust of the invention disappears
Sound device 150 consists of three parts, respectively left side part 15, centre part 16, right side part 17.The left side of left side part 15 is
Circular ring shape end face 151, right side are provided with stepped groove, respectively annular groove 152 and annular convex platform 153, in-between baffle 154
It is provided with 4 symmetrical through-holes 155.The left side of centre part 16 is provided with stepped groove, respectively annular groove 161 and annular
Boss 162, in-between baffle 163 are provided with 4 symmetrical through-holes 164, and the right side of middle baffle plate 163 is provided with cavity 165,
Right end face 166 is provided with 4 symmetrical threaded holes 167, is connected by slotted cheese head screw 30 and 167 screw thread of threaded hole
It connects, realizes the fixation of muffler 150 and air cylinder supporting structure 18, while its 166 center of right side is provided with threaded hole 168
(penetrating through with cavity 165) is realized and is fixed for being threadedly coupled with the external screw thread 171 in 17 left side of right side part.Right side part 17 is
It is connected and composed by left cylinder 172, right cylinder 174 by 173 transition of truncated cone-shaped cylinder, it is outer that the outside of left cylinder 172 is provided with part
Screw thread 171 is threadedly coupled for the threaded hole 168 with centre part 16, is realized and is fixed.
As shown in figure 18, air cylinder supporting structure 18 of the invention is cylindrical, inside with baffle 181 be divided into left and right two
Line packet frame, right end are fixed in a cavity, respectively left chamber body 182 and right chamber body 183, the left side 184 of air cylinder supporting structure 18
Face 185 is bonded with right side shell 24, and in-between baffle 181 is provided with 8 symmetrical tapped through holes 186, wherein 4 screw threads are logical
Hole 186 is aligned with the threaded hole 136 of cylinder right side, passes through slotted cheese head screw 29 and threaded hole 186,136 spiral shell of threaded hole
Line connection, realization cylinder 13 are fixedly connected with air cylinder supporting structure 18；There are also 4 tapped through holes 186 and mufflers simultaneously
The threaded hole 167 of 150 16 right side of centre part is aligned, and passes through slotted cheese head screw 30 and threaded hole 186, threaded hole
167 are threadedly coupled, fixed muffler 150 and air cylinder supporting structure 18.The left side of the middle baffle plate 181 of air cylinder supporting structure 18 is set
There are round ring boss 187, the circle that rear holddown spring 12 passes through 181 left side of annular flange 204 and middle baffle plate of 6 right side of piston
Annular convex platform 187 is supported, and the center of middle baffle plate 181 is provided with through-hole 188, the right side zero with muffler 150
17 clearance fit of part.
As shown in figure 19, air-intake valve plate 9 of the invention is circular ring shape thin pieces, and left side 190 has 8 equal thickness circles
Boss 191, round boss 191 are the air inlet 210 for blocking piston 6 in normal state, while at 9 center of air-intake valve plate
Place is provided with through-hole 192, and slotted cheese head screw 28 is threadedly coupled by through-hole 192 with the threaded hole 212 on 206 right side of baffle, real
Now fix.When air pressure inside is far below outside atmospheric pressure, air-intake valve plate 9 is opened.As shown in figure 20, exhaust valve plate of the invention
14 be circular ring shape thin pieces, and left side 140 has 4 equal thickness round boss 141, and round boss 141 is in normal state
For blocking the gas vent 131 of cylinder 13, while through-hole 142 is provided at 14 center of exhaust valve plate, through-hole 142 is for passing through
Slotted cheese head screw, slotted cheese head screw are threadedly coupled with the threaded hole 133 among cylinder 13 by through-hole 142, are realized
It is fixed.When internal pressure is greater than exhaust valve plate cracking pressure, exhaust valve plate 14 is opened.
Referring to the structure of Figure 21, Figure 22, Figure 23, Figure 24 detailed description compressor housing (sealing shell 22,23,24)
At compressor housing of the invention is divided into three parts, respectively left shell 22, middle casing 23, right shell 24.Left side shell
The left side 221 of body 22 is circular flat, and right side 222 is provided with ring ladder slot, respectively annular groove 223 and convex annular
Platform 224, right side 222 are provided with 4 symmetrical threaded holes of rule 225 simultaneously, pass through soket head cap screw 27 and threaded hole
225, threaded hole 31 is threadedly coupled, and realizes the fixation of left shell 22 and spring intermediate support 3.Middle casing 23 is similar to cylinder
Shape, the left and right sides are all provided with ring ladder slot, and left side is provided with annular groove 231 and annular convex platform 232, and the annular in left side is recessed
Slot 231 and the annular convex platform 224 of left shell 22 fit closely, and outside is by being welded to connect and sealing left shell 22 and centre
Shell 23；Right side is provided with annular groove 233 and annular convex platform 234, while the outer surface of middle casing 23 is provided with air inlet 235,
The inside of middle casing 23 is provided with round ring boss 236, the annular stepped groove in the left and right of middle casing 23 respectively with left shell 22
Stepped groove and right shell 24 stepped groove be cooperatively connected, the annular convex platform 236 of enclosure interior with air cylinder supporting structure 18 together
Realize the fixation of line packet frame 99.The right side 241 of right shell 24 is circular flat, and left side 242 is provided with ring ladder slot,
Respectively annular groove 243 and annular convex platform 244, the annular convex platform 244 of 24 left side of right shell and the ring of middle casing 23
Connected in star 233 fits closely, and outside is by being welded to connect and sealing middle casing 23 and right shell 24.Simultaneously in right shell
24 center is provided with the through-hole 245 with 150 clearance fit of muffler.
In the present invention, permanent magnet (magnet ring) is embedded the groove in piston and may pass through line packet frame, and internal piston increases
Intake silencer is simultaneously fixed it by baffle, while the both side ends of piston have installation spring, and left side spring is logical
It crosses spring intermediate support beam and fixed baffle is supported；Right side spring is supported by air cylinder supporting structure and piston.This hair
It is bright to keep concentricity when cylinder and piston are installed, reduce air gap, increase compressor specific thrust, the present invention passes through to multiple zero
Part carries out structure optimization, realizes the compact-sized of compressor, stable connection, operation efficiently and the endurance service life is long.
The whole work process of the reciprocating linear compressor of novel moving-magnetic type of the invention are as follows: pass through the line packet frame of compressor
Coil connect alternating current, by the magnetic field for generating alternation, (if electric signal is forward direction, line packet frame from top to bottom will inside line packet frame
The magnetic field of the pole N best S is generated, otherwise the pole S best N will be generated), the magnet ring 10 on piston 6 moves in the magnetic field of alternation at this time
Direction be also it is continually changing, magnet ring 10 is in the groove embedded in piston 6, and piston 6 is consistent with the direction of motion of magnet ring 10 at this time,
According to the variation in magnetic field, piston 6 does linear reciprocating motion in left and right directions, thus realize that compressed gas is done work, piston motion
By the refrigerant gas of the refrigerant gas boil down to high temperature and pressure of low-temp low-pressure.
In summary as it can be seen that the present invention reduces inside dimension, reduce air gap, increase by the way that magnet ring 10 to be embedded in piston 6
Compressor specific thrust, while holddown spring is placed in 6 two sides of piston, compressor resonant frequency is reached, can be greatly improved
The working efficiency of compressor.The present invention realizes compact-sized, the company of compressor by carrying out structure optimization to multiple components
Firm, operation is connect efficiently and the effect of long service life, there is significant progress and good popularization to answer the prior art
With value.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of novel moving-magnetic type reciprocal linear compressor, which is characterized in that including sealing shell (22,23,24), positioned at described
Mover assembly and line packet frame assembly (19,20,21) in sealing shell (22,23,24)；
The mover assembly includes the piston (6) being located on sealing shell (22,23,24) central axis, is embedded in the piston
(6) left end of the magnet ring (10) in groove, the piston (6) passes through preceding holddown spring (4) and spring intermediate support beam (3) bullet
Property be supported on the left inside wall of the sealing shell (22,23,24), the right end of the piston (6) passes through rear holddown spring (12)
It is resiliently supported at air cylinder supporting structure (18) on the right inner wall of the sealing shell (22,23,24)；
The line packet frame assembly (19,20,21) is fixed on the periphery of the piston (6) by the air cylinder supporting structure (18),
It is wound with coil (105) in the line packet frame assembly (19,20,21), the online packet frame group of the magnet ring (10) on the piston (6)
Linear reciprocating motion is done in the alternating magnetic field generated inside fit (19,20,21), realizes the acting of piston (6) compressed gas, it will be low
The refrigerant gas of the refrigerant gas boil down to high temperature and pressure of warm low pressure.
2. novel moving-magnetic type reciprocal linear compressor according to claim 1, which is characterized in that the line packet frame assembly
It (19,20,21) include four quadrant camber line packet framves (100), the line for being located at circular arc line packet frame (100) middle position
Circle (105), the line packet frame retaining ring (21) that the circular arc line packet frame (100) is fixed together；
The top of each circular arc line packet frame (100) has symmetrical rectangular flange (102), and its underpart has symmetrical rectangular recess
(101), side has the arc groove (103) for placing the line packet frame retaining ring (21)；
The centre of each circular arc line packet frame (100) has the oval shank (104) for winding the coil (105).
3. novel moving-magnetic type reciprocal linear compressor according to claim 1, which is characterized in that a left side for the piston (6)
Admission air silencer (300) are equipped in side chamber body, the right side cavity and cylinder (13) transition fit of the piston (6), the cylinder
(13) muffler (150) are equipped in.
4. novel moving-magnetic type reciprocal linear compressor according to claim 3, which is characterized in that outside the piston (6)
Surface is equipped with the annular groove (201) for placing magnet ring (10), and the left end face (202) of piston (6) is equipped with and air inlet noise reduction
Four threaded holes (203) that device baffle (5) is threadedly coupled, the rightmost side of piston (6), which is equipped with, is used to support the rear compression
The annular flange (204) of spring (12)；
The inside of the piston (6), which is formed with, will be divided into the gear of left side cavity body (208) and right side cavity (209) inside piston (6)
Plate (206)；Eight air inlets (210) are evenly distributed on the baffle (206), the air inlet (210) is in normal barometric pressure
Under blocked by air-intake valve plate (9)；
The center of the baffle (206) has the piston shaft (207) in left side cavity (208) internal stretch.
5. novel moving-magnetic type reciprocal linear compressor according to claim 4, which is characterized in that the admission air silencer
(300) it is made of left side part (301) and right side part (315)；
The left side tool of the left side part (301) is carried out there are three crescent shaped groove (302) and with the piston shaft (207)
The axis hole (303) of cooperation, the center and both ends of left side part (301) right side are provided with the first stepped groove, inside have
Annular cavity (304) and interior panelling (305)；
The inside of the right side part (315) has annular cavity (316), left side baffle (320) and right-hand apron (318),
Crescent shaped groove (317) and the axis hole cooperated with piston shaft (207) there are three having on the right-hand apron (318)
(303), the center of right side part (315) right side and both ends are provided with the first stepped groove with the left side part (301)
The second stepped groove cooperated.
6. novel moving-magnetic type reciprocal linear compressor according to claim 4, which is characterized in that the muffler
(150) it is made of left side part (15), centre part (16), right side part (17) three parts；
The left side of the left side part (15) is circular ring shape end face (151), and right side is provided with stepped groove (152,153), in
The middle baffle plate (154) in portion is provided with 4 symmetrical through-holes (155)；
The left side of the centre part (16) is provided with stepped groove (161,162), and internal middle baffle plate (163) is provided with 4
Symmetrical through-hole (164), right end face (166) are provided with 4 symmetrical threaded holes (167)；
The right side part (17) is connected and composed by left cylinder (172), right cylinder (174) by truncated cone-shaped cylinder (173) transition,
Portion with external threads (171) are provided with outside the left cylinder (172), are used for and centre part (16) right end face (166) center
Threaded hole (168) is threadedly coupled.
7. novel moving-magnetic type reciprocal linear compressor according to claim 6, which is characterized in that the cylinder (13) is in circle
Barrel shape and it is internal be cylinder inner cavity (132), the left end face of cylinder (13) opens that there are four symmetrical through-hole (131), institutes
It states cylinder inner cavity (132) left side and is provided with circular groove (134), the center of the circular groove (134) is provided with for fixing
The threaded hole (133) of exhaust valve plate (14), the cylinder inner cavity (132) set with the muffler (150) for transition fit
It sets；
The right side (135) of cylinder (13) is flushed with the right side of the centre part (16), the right side (135) of cylinder (13)
4 symmetrical threaded holes (136) are provided with, realization is threadedly coupled with threaded hole (136) by slotted cheese head screw (29)
The fixation of cylinder (13) and the air cylinder supporting structure (18).
8. novel moving-magnetic type reciprocal linear compressor according to claim 4, which is characterized in that the piston shaft
(207) spring that is threaded with of left end connects shaft (2), and the middle section that spring connects shaft (2) is polished rod, the spring
The left side external screw thread (210) of connection shaft (2) is threadedly coupled with spring locking nut (1), right side external screw thread (230) and piston
The internal screw thread (211) of shaft (207) is threadedly coupled；
It is equipped between the spring locking nut (1) and the left end of the piston shaft (207) for adjusting piston (6) position
Correcting spring (11).
9. novel moving-magnetic type reciprocal linear compressor according to claim 8, which is characterized in that the spring intermediate supports
Frame (3) be it is lower equal convex shape, the ear of left and right two is altogether there are four symmetrical threaded hole (31), among the spring
Support frame (3) and the left shell (22) of sealing shell (22,23,24) are by using soket head cap screw (27) and threaded hole (31)
It is threadedly coupled and realizes fixation；
The raised head face (33) of the spring intermediate support beam (3) has the annular convex platform with the admission air silencer baffle (5)
(51) corresponding annular convex platform (32) is supported by the preceding compression bullet between the annular convex platform (51) and annular convex platform (32)
Spring (4)；
The center of the raised head face (33) is provided with the axis hole (34) that shaft (2) cooperation is connect with the spring, the axis
The left and right end face in hole (34) is formed with configured left boss (36) and right boss (37) for fixed correction spring (11).
10. novel moving-magnetic type reciprocal linear compressor according to claim 6, which is characterized in that the air cylinder supporting structure
(18) cylindrical in shape, it is internal to be divided into left chamber body (182) and right chamber body (183) with middle baffle plate (181)；
The right end of the line packet frame assembly (19,20,21), gas are fixed in the left side (184) of the air cylinder supporting structure (18)
The right side (185) of cylinder fixed frame (18) and the right side shell (24) of sealing shell (22,23,24) are bonded；
The middle baffle plate (181) is provided with 8 symmetrical tapped through holes (186), wherein 4 tapped through holes (186) and gas
The threaded hole (136) of cylinder (13) right side is aligned, and passes through slotted cheese head screw (29) and threaded hole (186), threaded hole (136)
Threaded connection realization cylinder (13) is fixedly connected with air cylinder supporting structure (18)；Other 4 tapped through holes (186) and the centre
The threaded hole (167) of part (16) right side is aligned, and passes through slotted cheese head screw (30) and threaded hole (186), threaded hole
(167) it is threadedly coupled the fixation for realizing muffler (150) and air cylinder supporting structure (18)；
The left side of the middle baffle plate (181) is equipped with round ring boss (187), and the rear holddown spring (12) is supported on the work
Between the annular flange (204) and the round ring boss (187) for filling in (6) right side, the center of middle baffle plate (181) is opened
There is the through-hole (188) with right side part (17) clearance fit.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111486081A (en) * | 2020-04-22 | 2020-08-04 | 辽宁工程技术大学 | Linear compressor piston bearing structure |
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