CN106382226B - A kind of structure improved translation piston compressor - Google Patents
A kind of structure improved translation piston compressor Download PDFInfo
- Publication number
- CN106382226B CN106382226B CN201611076065.XA CN201611076065A CN106382226B CN 106382226 B CN106382226 B CN 106382226B CN 201611076065 A CN201611076065 A CN 201611076065A CN 106382226 B CN106382226 B CN 106382226B
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- CN
- China
- Prior art keywords
- piston
- blade
- location hole
- structure improved
- bar
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
- F04C18/3562—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member the inner and outer member being in contact along one line or continuous surfaces substantially parallel to the axis of rotation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/20—Rotors
Abstract
The present invention provides a kind of structure improved translation piston compressors, belong to Compressor Technology field.It solves the problems, such as that existing translation piston compressor is susceptible to blade and is detached from piston.This structure improved translation piston compressor, including cylinder body and bent axle, there is plunger shaft in cylinder body, there is eccentric part on bent axle, turning set is equipped with piston on eccentric part, bar-shaped trough is provided in the axial direction on piston lateral wall, blade is slidably connected in cylinder body, the edge top surface of blade is pressed in bar-shaped trough, several location holes are offered in piston, in location hole sliding plug have locating rod, several locating slots are offered on the top surface of blade, retaining spring is equipped in location hole, the end of locating rod is stretched out location hole and is pressed in locating slot.This structure improved translation piston compressor can avoid leaf abscission piston, improve compressor operating stability.
Description
Technical field
The invention belongs to Compressor Technology fields, are related to a kind of structure improved translation piston compressor.
Background technology
Compressor is a kind of a kind of driven fluid machinery that low-pressure gas is promoted to high pressure gas, is refrigeration system
Heart.It sucks the refrigerant gas of low-temp low-pressure from air intake duct, is operated by motor after being compressed with piston to it, to
Exhaust pipe discharges the refrigerant gas of high temperature and pressure, provides power for refrigeration cycle, compressor divides piston compressor, screw compression
Machine, centrifugal compressor, linear compressor etc., piston compressor generally (are opened by housing, motor, cylinder body, piston, control device
Dynamic device and thermal protector) and cooling system composition, piston and blade are generally included in piston compressor, blade is supported by spring
It is pressed on piston, since piston is in translation process, but can be by the friction of eccentric part and with circumferential during translation
The trend of rotation, therefore it is susceptible to the phenomenon that blade is detached from piston in use.
Invention content
The purpose of the present invention is being directed to existing technology, there are the above problems, it is proposed that a kind of structure improved translation piston
Compressor, this structure improved translation piston compressor can avoid leaf abscission piston, improve compressor operating stability.
The purpose of the present invention can be realized by following technical proposal：A kind of structure improved translation piston compressor, packet
Cylinder body and bent axle are included, in the cylinder body there is plunger shaft, there is eccentric part on the bent axle, the bent axle is located in cylinder body,
And eccentric part is located in plunger shaft, which is characterized in that turning set is equipped with piston, the piston lateral wall upper edge on the eccentric part
Bar-shaped trough axially is offered, blade is slidably connected in the cylinder body, the edge top surface of the blade is pressed in bar-shaped trough, institute
It states and several location holes is offered in piston, several location holes are along piston axial alignment, and the axial direction and piston radial of location hole
Unanimously, one end of the location hole is through to bar-shaped trough, in the location hole sliding plug have locating rod, the top surface of the blade
On offer several locating slots along its length, retaining spring is equipped in the location hole, under the action of retaining spring, positioning
The end of bar is stretched out location hole and is pressed in locating slot, and the adjusting for adjusting retaining spring pretightning force is equipped in the piston
Part.
During compressor operating, crankshaft high-speed rotation is rotated with eccentric part, and piston rotation is set on eccentric part,
Piston is by the positioning action of blade simultaneously, therefore eccentric part opposing pistons rotate, and piston does reciprocating translatory in plunger shaft,
Plunger shaft is separated into two chambers by blade and piston, with the translation of piston, a chamber air-breathing, and another chamber outlet,
Holddown spring is additionally provided in cylinder body, under the action of holddown spring, the top surface of blade can be pressed in bar-shaped trough, living simultaneously
Be additionally provided with locating rod in the location hole of plug, under the action of retaining spring, locating rod is pressed in locating slot, increase blade with
Detent force between piston, avoid piston be translatable during since the circumferential active force of eccentric part leads to the bar-shaped trough and leaf of piston
Piece top surface is detached from, while can adjust by regulating part the pretightning force of retaining spring, thus can according to piston translational velocity with
And frictional force adjusts the active force of locating rod and locating slot, applicability is stronger.
In above-mentioned structure improved translation piston compressor, the cross section of the bar-shaped trough is arc-shaped, the blade
Top surface be the cambered surface being adapted with bar-shaped trough cell wall.Since piston will appear micro rotation, above-mentioned arc during translation
Fit structure enables blade opposing pistons to do micro swing.
In above-mentioned structure improved translation piston compressor, the regulating part includes several adjusting bolts, the work
Several adjustment holes are offered on plug side wall, inner end and the location hole of the adjustment hole connect, and the axial direction of adjustment hole and positioning
Hole axle circumferentially has internal thread, above-mentioned adjusting bolt is screwed onto in adjustment hole, described fixed to perpendicular on the adjustment hole inner wall
Be slidably connected pushing block in the hole of position, and one end of above-mentioned retaining spring is pressed in positioning rod end surface, and the other end is pressed on pushing block one end
On end face, the pushing block the other end face is inclined surface, and the end of above-mentioned adjusting bolt is acted on inclined surface.
Rotation adjusting bolt can move axially adjusting bolt, since the end of adjusting bolt acts on the inclination of pushing block
On face, therefore the axial movement of adjusting bolt can drive pushing block to be moved axially along location hole, that is, adjust the preload of retaining spring
Power.
It is slided in above-mentioned structure improved translation piston compressor, in the adjustment hole and is equipped with adjusting block, above-mentioned tune
The end of section bolt is resisted against on adjusting block, have inclined surface on the adjusting block, and the inclined surface of adjusting block and pushing block incline
Inclined-plane fit against.By the inclined surface of adjusting block and the inclined surface phase separation of pushing block, the axial direction of adjusting bolt can be moved
Turn turns to the movement of pushing block, avoids the occurrence of catching phenomenon.
In above-mentioned structure improved translation piston compressor, the adjusting bolt is located inside adjustment hole, the tune
The outer end of knothole is fixed with rubber plug.Rubber plug is located inside adjustment hole, plays sealing function, while avoid interference with piston
Operating.
In above-mentioned structure improved translation piston compressor, the external part end face of the locating rod is cambered surface.So that
Locating rod can opposing pistons do micro swing, reduce frictional force between the two.
Compared with prior art, this structure improved translation piston compressor has the following advantages：
1st, due to being additionally provided with locating rod in the location hole of piston, under the action of retaining spring, locating rod is pressed on positioning
In slot, increase the detent force between blade and piston, avoid piston be translatable during since the circumferential active force of eccentric part is led
The bar-shaped trough of activation plug is detached from blade top surface.
2nd, since the pretightning force of retaining spring can be adjusted by regulating part, can according to piston translational velocity and
Frictional force adjusts the active force of locating rod and locating slot, and applicability is stronger.
3rd, since the outer end of adjustment hole is fixed with rubber plug, rubber plug is located inside adjustment hole, plays sealing function,
Avoid interference with piston operation simultaneously.
Description of the drawings
Fig. 1 is the lateral partial structurtes sectional view of this translation piston compressor.
In figure, 1, cylinder body；11st, plunger shaft；2nd, bent axle；21st, eccentric part；3rd, piston；31st, bar-shaped trough；32nd, location hole；33、
Adjustment hole；4th, blade；41st, locating slot；5th, locating rod；6th, retaining spring；7th, regulating part；71st, adjusting bolt；72nd, pushing block；73、
Adjusting block；8th, rubber plug.
Specific embodiment
The following is specific embodiments of the present invention and with reference to attached drawing, technical scheme of the present invention is further described,
But the present invention is not limited to these embodiments.
As shown in Figure 1, a kind of structure improved translation piston compressor, including cylinder body 1 and bent axle 2, has in cylinder body 1 and lives
Chamber 11 is filled in, there is eccentric part 21 on bent axle 2, bent axle 2 is located in cylinder body 1, and eccentric part 21 is located in plunger shaft 11, eccentric part
Turning set is equipped with piston 3 on 21, is provided in the axial direction with bar-shaped trough 31 on 3 lateral wall of piston, blade 4 is slidably connected in cylinder body 1,
The edge top surface of blade 4 is pressed in bar-shaped trough 31, and several location holes 32 are offered in piston 3, and several location holes 32 are along work
3 axial alignments are filled in, and the axial direction of location hole 32 and piston 3 are radially consistent, one end of location hole 32 is through to bar-shaped trough 31, positioning
Sliding plug has locating rod 5 in hole 32, offers several locating slots 41 on the top surface of blade 4 along its length, in location hole 32
Equipped with retaining spring 6, under the action of retaining spring 6, the end of locating rod 5 stretches out location hole 32 and is pressed on locating slot 41
It is interior, set the regulating part 7 for adjusting 6 pretightning force of retaining spring in piston 3, during compressor operating, 2 high speed rotation of bent axle, i.e. band
It eccentric part 21 to rotate, and the rotation of piston 3 is set on eccentric part 21, while piston 3 is by the positioning action of blade 4, therefore
21 opposing pistons 3 of eccentric part rotate, and piston 3 does reciprocating translatory in plunger shaft 11, and blade 4 and piston 3 divide plunger shaft 11
Two chambers are divided into, with the translation of piston 3, a chamber air-breathing, another chamber outlet is additionally provided with compression in cylinder body 1
Spring, under the action of holddown spring, the top surface of blade 4 can be pressed in bar-shaped trough 31, while in the location hole 32 of piston 3
Locating rod 5 is additionally provided with, under the action of retaining spring 6, locating rod 5 is pressed in locating slot 41, increases blade 4 and piston 3
Between detent force, avoid piston 3 be translatable during due to the circumferential active force of eccentric part 21 cause the bar-shaped trough 31 of piston 3 with
4 top surface of blade is detached from, while the pretightning force of retaining spring 6 can be adjusted by regulating part 7, therefore can be translatable according to piston 3
Speed and frictional force adjust the active force of locating rod 5 and locating slot 41, and applicability is stronger.
Specifically, the cross section of bar-shaped trough 31 is arc-shaped, and the top surface of blade 4 is the arc being adapted with 31 cell wall of bar-shaped trough
Face, since piston 3 will appear micro rotation during translation, above-mentioned arc fit structure enables 4 opposing pistons 3 of blade
Do micro swing.
Regulating part 7 includes several adjusting bolts 71, offers several adjustment holes 33 on 3 side wall of piston, adjustment hole 33 it is interior
End connects with location hole 32, and the axial direction of adjustment hole 33 is axial perpendicular with location hole 32, circumferentially has on 33 inner wall of adjustment hole
There is internal thread, adjusting bolt 71 is screwed onto in adjustment hole 33, and be slidably connected pushing block 72 in location hole 32, one end of retaining spring 6
It is pressed on 5 end face of locating rod, the other end is pressed on 72 one end end face of pushing block, and 72 the other end face of pushing block is inclined surface, is adjusted
The end of section bolt 71 is acted on inclined surface.
Rotation adjusting bolt 71 can move axially adjusting bolt 71, since the end of adjusting bolt 71 acts on pushing block
On 72 inclined surface, therefore the axial movement of adjusting bolt 71 can drive pushing block 72 to be moved axially along location hole 32, that is, adjust
The pretightning force of retaining spring 6.It is slided in adjustment hole 33 and is equipped with adjusting block 73, the end of adjusting bolt 71 is resisted against adjusting block 73
On, there is inclined surface, and the inclined surface of the inclined surface of adjusting block 73 and pushing block 72 fits against passing through adjusting on adjusting block 73
The axial movement of adjusting bolt 71, can be converted into the shifting of pushing block 72 by the inclined surface of block 73 and the inclined surface phase separation of pushing block 72
It is dynamic, avoid the occurrence of catching phenomenon.Adjusting bolt 71 is located inside adjustment hole 33, and the outer end of adjustment hole 33 is fixed with rubber plug 8,
Rubber plug 8 is located inside adjustment hole 33, plays sealing function, while avoids interference with piston 3 and operate.The external part of locating rod 5
End face is cambered surface so that locating rod 5 can opposing pistons 3 do micro swing, reduce frictional force between the two.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (5)
1. a kind of structure improved translation piston compressor including cylinder body (1) and bent axle (2), has piston in the cylinder body (1)
Chamber (11) has eccentric part (21) on the bent axle (2), and the bent axle (2) is located in cylinder body (1), and eccentric part (21) position
In plunger shaft (11), which is characterized in that turning set is equipped with piston (3), piston (3) lateral wall on the eccentric part (21)
On be provided in the axial direction with bar-shaped trough (31), slidably connects blade (4), the edge top surface of the blade (4) in the cylinder body (1)
It is pressed in bar-shaped trough (31), several location holes (32) is offered in the piston (3), several location holes (32) are along piston
(3) axial alignment, and the axial direction of location hole (32) and piston (3) are radially consistent, one end of the location hole (32) is through to item
Shape slot (31), the interior sliding plug of the location hole (32) have locating rod (5), are opened along its length on the top surface of the blade (4)
Equipped with several locating slots (41), retaining spring (6) is equipped in the location hole (32), under the action of retaining spring (6), positioning
The end of bar (5) is stretched out location hole (32) and is pressed in locating slot (41), is equipped with to adjust positioning bullet in the piston (3)
The regulating part (7) of spring (6) pretightning force.
2. structure improved translation piston compressor according to claim 1, which is characterized in that the bar-shaped trough (31)
Cross section is arc-shaped, and the top surface of the blade (4) is the cambered surface being adapted with bar-shaped trough (31) cell wall.
3. structure improved translation piston compressor according to claim 2, which is characterized in that regulating part (7) packet
Several adjusting bolts (71) are included, several adjustment holes (33), the inner end of the adjustment hole (33) are offered on piston (3) side wall
It connects with location hole (32), and the axial direction of adjustment hole (33) and location hole (32) are axial perpendicular, in the adjustment hole (33)
Circumferentially there is internal thread, above-mentioned adjusting bolt (71) is screwed onto in adjustment hole (33), the company of slip in the location hole (32) on wall
Pushing block (72) is connect, one end of above-mentioned retaining spring (6) is pressed on locating rod (5) end face, and the other end is pressed on pushing block (72) one
It holds on end face, pushing block (72) the other end face is inclined surface；
It is slided in the adjustment hole (33) and is equipped with adjusting block (73), the end of above-mentioned adjusting bolt (71) is resisted against adjusting block (73)
On, on the adjusting block (73) have inclined surface, and the inclined surface of adjusting block (73) and the inclined surface of pushing block (72) fit to
It leans on.
4. structure improved translation piston compressor according to claim 3, which is characterized in that the adjusting bolt (71)
Internal positioned at adjustment hole (33), the outer end of the adjustment hole (33) is fixed with rubber plug (8).
5. structure improved translation piston compressor according to claim 4, which is characterized in that the locating rod (5)
External part end face is cambered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611076065.XA CN106382226B (en) | 2016-11-30 | 2016-11-30 | A kind of structure improved translation piston compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611076065.XA CN106382226B (en) | 2016-11-30 | 2016-11-30 | A kind of structure improved translation piston compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106382226A CN106382226A (en) | 2017-02-08 |
| CN106382226B true CN106382226B (en) | 2018-06-08 |
Family
ID=57959312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611076065.XA Active CN106382226B (en) | 2016-11-30 | 2016-11-30 | A kind of structure improved translation piston compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106382226B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3500917A1 (en) * | 1984-05-29 | 1985-12-05 | Veb Kombinat Medizin- Und Labortechnik Leipzig, Ddr 7033 Leipzig | Sliding-vane rotary vacuum pump |
| CN2047313U (en) * | 1989-03-10 | 1989-11-08 | 邱鲁健 | Hinged piston type compressor |
| SU1652659A1 (en) * | 1988-05-26 | 1991-05-30 | Хмельницкий Технологический Институт Бытового Обслуживания | Rotary compressor |
| CN103410732A (en) * | 2013-08-22 | 2013-11-27 | 浙江百达精工股份有限公司 | Rotary-type translation piston compressor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6111401A (en) * | 1984-06-26 | 1986-01-18 | Mitsubishi Heavy Ind Ltd | Rotary hydraulic machine |
-
2016
- 2016-11-30 CN CN201611076065.XA patent/CN106382226B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3500917A1 (en) * | 1984-05-29 | 1985-12-05 | Veb Kombinat Medizin- Und Labortechnik Leipzig, Ddr 7033 Leipzig | Sliding-vane rotary vacuum pump |
| SU1652659A1 (en) * | 1988-05-26 | 1991-05-30 | Хмельницкий Технологический Институт Бытового Обслуживания | Rotary compressor |
| CN2047313U (en) * | 1989-03-10 | 1989-11-08 | 邱鲁健 | Hinged piston type compressor |
| CN103410732A (en) * | 2013-08-22 | 2013-11-27 | 浙江百达精工股份有限公司 | Rotary-type translation piston compressor |
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| Publication number | Publication date |
|---|---|
| CN106382226A (en) | 2017-02-08 |
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