CN106762638B - A kind of translation piston compressor - Google Patents
A kind of translation piston compressor Download PDFInfo
- Publication number
- CN106762638B CN106762638B CN201611075982.6A CN201611075982A CN106762638B CN 106762638 B CN106762638 B CN 106762638B CN 201611075982 A CN201611075982 A CN 201611075982A CN 106762638 B CN106762638 B CN 106762638B
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- CN
- China
- Prior art keywords
- blade
- piston
- bar
- location hole
- cylinder body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
-
- 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 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 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, it is provided in the axial direction with bar-shaped trough on the lateral wall of piston, blade is slidably connected in cylinder body, the edge top surface of blade is pressed in bar-shaped trough, several location holes are offered on blade top surface, sliding plug has locating rod in location hole, retaining spring is additionally provided in location hole, several arc positioning grooves are offered in bar shaped groove groove wall, the end of locating rod is stretched out location hole and is pressed in locating slot, blade is equipped with regulating part.This 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 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 to it with piston, to
The refrigerant gas of high temperature and pressure is discharged in exhaust pipe, provides power for refrigeration cycle, compressor divides piston compressor, screw compression
Machine, centrifugal compressor, linear compressor etc., piston compressor generally (are opened by shell, 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 there is the above problem in view of the prior art, it is proposed that a kind of translation piston compressor, this
Translation piston compressor can avoid leaf abscission piston, improve compressor operating stability.
Object of the invention can be realized by the following technical scheme：A kind of translation piston compressor, including cylinder body and song
Axis, the cylinder body is interior to have plunger shaft, on the bent axle there is eccentric part, the bent axle to be located in cylinder body, and eccentric position
In in plunger shaft, turning set is equipped with piston on the eccentric part, is provided in the axial direction with bar-shaped trough on the lateral wall of the piston, institute
It states and slidably connects blade in cylinder body, the edge top surface of the blade is pressed in bar-shaped trough, is offered on the blade top surface
Several location holes, in the location hole sliding plug have locating rod, retaining spring, the bar-shaped trough slot are additionally provided in location hole
Several arc positioning grooves are offered on wall, under the action of retaining spring, the end of locating rod, which is stretched out location hole and is pressed on, determines
In the slot of position, the blade is equipped with the regulating part that can adjust retaining spring pretightning force.
When 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, while this
Blade is additionally provided with locating rod, and under the action of retaining spring, locating rod is pressed in locating slot, is increased between blade and piston
Detent force, since the circumferential active force of eccentric part causes the bar-shaped trough of piston de- with blade top surface during avoiding piston from being translatable
From, while the pretightning force of retaining spring can be adjusted by regulating part, therefore can be according to piston translational velocity and frictional force
The active force of locating rod and locating slot is adjusted, applicability is stronger.
In above-mentioned translation piston compressor, the cross section of the bar-shaped trough is arc-shaped, the top surface of the blade be with
The adaptable cambered surface of bar shaped groove groove wall.Since piston will appear micro rotation during translation, above-mentioned arc fit structure makes
Blade can opposing pistons do micro swing.
In above-mentioned translation piston compressor, the regulating part includes adjusting nut, is equipped with and adjusts in the location hole
One end of screw rod, above-mentioned retaining spring is pressed in positioning rod end surface, and the other end is pressed on adjusting screw rod, is opened on the blade
Equipped with the link slot through two sides, which connects with location hole, and the adjusting nut is screwed onto on adjusting screw rod, and
The lateral wall of adjusting nut protrudes the both ends of link slot respectively.Adjusting screw rod can be made to move axially by rotating adjusting nut,
To play the role of adjusting retaining spring pretightning force.
In above-mentioned translation piston compressor, the end of the adjusting screw rod is fixed with the top plate of circular in cross-section,
Limiting slot is offered on the end face of the free end of the top plate, the end of above-mentioned retaining spring is pressed in limiting slot.It is fixed to increase
The connection of position spring and adjusting screw rod, avoids retaining spring end from shifting so that structure is more stablized.
In above-mentioned translation piston compressor, the both ends of the link slot are equipped with sealing ring, and the sealing ring is connected
On the cell wall of link slot.The leakproofness for increasing the two chambers in plunger shaft, avoids mutual gas blowby.
In above-mentioned translation piston compressor, the external part end face of the locating rod is cambered surface.Enable locating rod
Opposing pistons do micro swing, reduce frictional force between the two.
Compared with prior art, this translation piston compressor has the following advantages：
1, since this blade is additionally provided with locating rod, under the action of retaining spring, locating rod is pressed in locating slot, is increased
Detent force between blade and piston, since the circumferential active force of eccentric part leads to the item of piston during avoiding piston from being translatable
Shape slot is detached from blade top surface.
2, 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.
3, since the both ends of link slot are equipped with sealing ring, increase the leakproofness of the two chambers in plunger shaft, avoid phase
Mutual gas blowby.
Description of the drawings
Fig. 1 is the lateral partial structurtes sectional view of this translation piston compressor.
Fig. 2 is the schematic enlarged-scale view at A in Fig. 1.
In figure, 1, cylinder body；11, plunger shaft；2, bent axle；21, eccentric part；3, piston；31, bar-shaped trough；32, locating slot；4,
Blade；41, location hole；42, link slot；5, locating rod；6, retaining spring；7, regulating part；71, adjusting nut；72, spiral shell is adjusted
Bar；73, top plate；731, limiting slot；74, sealing ring.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1 and Figure 2, a kind of translation piston compressor, including cylinder body 1 and bent axle 2, cylinder body 1 is interior to have plunger shaft
11, there is eccentric part 21, bent axle 2 is located in cylinder body 1, and eccentric part 21 is located in plunger shaft 11, on eccentric part 21 on bent axle 2
Turning set is equipped with piston 3, is provided in the axial direction with bar-shaped trough 31 on the lateral wall of piston 3, blade 4, leaf are slidably connected in cylinder body 1
The edge top surface of piece 4 is pressed in bar-shaped trough 31, and several location holes 41 are offered on 4 top surface of blade, and sliding is slotting in location hole 41
It is connected to locating rod 5, retaining spring 6 is additionally provided in location hole 41, several arc positioning grooves 32 are offered on 31 cell wall of bar-shaped trough,
Under the action of retaining spring 6, the end of locating rod 5 is stretched out location hole 41 and is pressed in locating slot 32, and blade 4 is equipped with energy
Enough adjust the regulating part 7 of 6 pretightning force of retaining spring.
When compressor operating, 2 high speed rotation of bent axle is rotated with eccentric part 21, and the rotation of piston 3 is set in eccentric part
On 21, while piston 3 is by the positioning action of blade 4, therefore 21 opposing pistons 3 of eccentric part rotate, and piston 3 is in plunger shaft 11
Reciprocating translatory is inside done, plunger shaft 11 is separated into two chambers by blade 4 and piston 3, and with the translation of piston 3, a chamber is inhaled
Gas, another chamber outlet, holddown spring is additionally provided in cylinder body 1, and under the action of holddown spring, the top surface of blade 4 can
It is pressed in bar-shaped trough 31, while this blade 4 is additionally provided with locating rod 5, under the action of retaining spring 6, locating rod 5 is pressed on fixed
In the slot 32 of position, the detent force between blade 4 and piston 3 is increased, due to the circumferential direction of eccentric part 21 during avoiding piston 3 from being translatable
Active force causes the bar-shaped trough 31 of piston 3 to be detached from 4 top surface of blade, while can adjust the pre- of retaining spring 6 by regulating part 7
Clamp force, therefore the active force of locating rod 5 and locating slot 32 can be adjusted according to 3 translational velocity of piston and frictional force, it is applicable in
Property 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 adjusting nut 71, is equipped with adjusting screw rod 72 in location hole 41, one end of retaining spring 6 is pressed on
On 5 end face of locating rod, the other end is pressed on adjusting screw rod 72, and the link slot 42 through two sides, the company are offered on blade 4
Access slot 42 connects with location hole 41, and adjusting nut 71 is screwed onto on adjusting screw rod 72, and the lateral wall difference of adjusting nut 71
The both ends for protruding link slot 42 can be such that adjusting screw rod 72 moves axially by rotating adjusting nut 71, determine to play to adjust
The effect of position 6 pretightning force of spring.
The end of adjusting screw rod 72 is fixed with the top plate 73 of circular in cross-section, is opened up on the end face of the free end of top plate 73
There are limiting slot 731, the end of retaining spring 6 to be pressed in limiting slot 731, increase the connection of retaining spring 6 and adjusting screw rod 72,
6 end of retaining spring is avoided to shift so that structure is more stablized.
The both ends of link slot 42 are equipped with sealing ring 74, and sealing ring 74 is connected on the cell wall of link slot 42, increase piston 3
The leakproofness of two chambers in chamber 11 avoids mutual gas blowby.
The external part end face of locating rod 5 is cambered surface so that locating rod 5 can opposing pistons 3 do micro swing, both reduce
Between frictional force.
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 make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (6)
1. a kind of translation piston compressor, including cylinder body (1) and bent axle (2), the cylinder body (1) is interior to have plunger shaft (11), institute
Stating has eccentric part (21) on bent axle (2), the bent axle (2) is located in cylinder body (1), and eccentric part (21) is located at plunger shaft
(11) in, turning set is equipped with piston (3) on the eccentric part (21), and blade (4) is slidably connected in the cylinder body (1), special
Sign is, bar-shaped trough (31) is provided in the axial direction on the lateral wall of the piston (3), and the edge top surface of the blade (4) compresses
In bar-shaped trough (31), several location holes (41), the interior sliding plug of the location hole (41) are offered on blade (4) top surface
There is locating rod (5), is additionally provided with retaining spring (6) in location hole (41), several arcs are offered on bar-shaped trough (31) cell wall
Shape locating slot (32), under the action of retaining spring (6), the end of locating rod (5) stretches out location hole (41) and is pressed on positioning
In slot (32), the blade (4) is equipped with the regulating part (7) that can adjust retaining spring (6) pretightning force.
2. translation piston compressor according to claim 1, which is characterized in that the cross section of the bar-shaped trough (31) is in arc
The top surface of shape, the blade (4) is the cambered surface being adapted with bar-shaped trough (31) cell wall.
3. translation piston compressor according to claim 2, which is characterized in that the regulating part (7) includes adjusting nut
(71), adjusting screw rod (72) is equipped in the location hole (41), one end of above-mentioned retaining spring (6) is pressed on locating rod (5) end
On face, the other end is pressed on adjusting screw rod (72), and the link slot (42) through two sides is offered on the blade (4), should
Link slot (42) connects with location hole (41), and the adjusting nut (71) is screwed onto on adjusting screw rod (72), and adjusting nut
(71) lateral wall protrudes the both ends of link slot (42) respectively.
4. translation piston compressor according to claim 3, which is characterized in that the end of the adjusting screw rod (72) is connected
There is the top plate (73) of circular in cross-section, limiting slot (731) is offered on the end face of the free end of the top plate (73), it is above-mentioned fixed
The end of position spring (6) is pressed in limiting slot (731).
5. translation piston compressor according to claim 3 or 4, which is characterized in that the both ends of the link slot (42) are equal
Equipped with sealing ring (74), the sealing ring (74) is connected on the cell wall of link slot (42).
6. translation piston compressor according to claim 5, which is characterized in that the external part end face of the locating rod (5)
For cambered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611075982.6A CN106762638B (en) | 2016-11-30 | 2016-11-30 | A kind of translation piston compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611075982.6A CN106762638B (en) | 2016-11-30 | 2016-11-30 | A kind of translation piston compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106762638A CN106762638A (en) | 2017-05-31 |
| CN106762638B true CN106762638B (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611075982.6A Active CN106762638B (en) | 2016-11-30 | 2016-11-30 | A kind of translation piston compressor |
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| CN (1) | CN106762638B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716466B (en) * | 2018-05-24 | 2020-11-20 | 江苏昊科汽车空调有限公司 | Heat-insulating wear-resistant air conditioner compressor blade |
| CZ2022194A3 (en) * | 2019-11-21 | 2022-06-01 | Mitsubishi Electric Corporation | Rotary compressor, refrigeration cycle equipment and method of manufacturing a rotary compressor |
| CN113482929B (en) * | 2021-08-26 | 2023-04-21 | 青岛科技大学 | Sealing structure for reducing leakage of rolling rotor compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2047313U (en) * | 1989-03-10 | 1989-11-08 | 邱鲁健 | Hinged piston type compressor |
| CN1467379A (en) * | 2002-07-09 | 2004-01-14 | ���ǵ�����ʽ���� | Variable capacity rotary compressor |
| CN201057149Y (en) * | 2007-06-15 | 2008-05-07 | 五邑大学 | Translational rotor type compressor |
| CN101446288A (en) * | 2008-10-31 | 2009-06-03 | 陈君立 | Translational piston rotary compressor |
| CN202215473U (en) * | 2011-07-28 | 2012-05-09 | 浙江鸿友压缩机制造有限公司 | Penetration vane type translation rotor compressor |
| CN103644117A (en) * | 2013-12-27 | 2014-03-19 | 浙江百达精工股份有限公司 | Rotary 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 CN201611075982.6A patent/CN106762638B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2047313U (en) * | 1989-03-10 | 1989-11-08 | 邱鲁健 | Hinged piston type compressor |
| CN1467379A (en) * | 2002-07-09 | 2004-01-14 | ���ǵ�����ʽ���� | Variable capacity rotary compressor |
| CN201057149Y (en) * | 2007-06-15 | 2008-05-07 | 五邑大学 | Translational rotor type compressor |
| CN101446288A (en) * | 2008-10-31 | 2009-06-03 | 陈君立 | Translational piston rotary compressor |
| CN202215473U (en) * | 2011-07-28 | 2012-05-09 | 浙江鸿友压缩机制造有限公司 | Penetration vane type translation rotor compressor |
| CN103644117A (en) * | 2013-12-27 | 2014-03-19 | 浙江百达精工股份有限公司 | Rotary translation piston compressor |
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| Publication number | Publication date |
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| CN106762638A (en) | 2017-05-31 |
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