CN109488592A - Turn the pump body structure of the cylinder piston compressor and turns the cylinder piston compressor - Google Patents
Turn the pump body structure of the cylinder piston compressor and turns the cylinder piston compressor Download PDFInfo
- Publication number
- CN109488592A CN109488592A CN201811544583.9A CN201811544583A CN109488592A CN 109488592 A CN109488592 A CN 109488592A CN 201811544583 A CN201811544583 A CN 201811544583A CN 109488592 A CN109488592 A CN 109488592A
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- Prior art keywords
- cylinder
- boss
- ontology
- guide groove
- pump body
- Prior art date
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 53
- 238000009434 installation Methods 0.000 claims description 13
- 239000000446 fuel Substances 0.000 claims description 6
- 238000005299 abrasion Methods 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 95
- 230000000694 effects Effects 0.000 description 6
- 238000005461 lubrication Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
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
- F04C18/344—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 inner member
-
- 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
- F04C29/02—Lubrication; Lubricant separation
Abstract
The present invention provides a kind of pump body structure for turning the cylinder piston compressor and turns the cylinder piston compressor, the pump body structure for turning the cylinder piston compressor includes: cylinder, equipped with shaft mounting hole and piston mounting holes, shaft mounting hole runs through the side wall of cylinder axially through cylinder, piston mounting holes；At least one inner circle fit structure, set at least one end of cylinder, including ontology, and the boss extended by ontology；Boss is suitable for stretching being placed in shaft mounting hole, and cooperates with the hole wall of shaft mounting hole；Ontology is greater than the aperture of shaft mounting hole in the maximum length of cylinder radially；Cylinder is rotated relative to inner circle fit structure；Oil guide groove, oil guide groove are set on the outer peripheral surface of boss, extend to ontology far from one end of ontology by boss；Or, oil guide groove is set on the hole wall of shaft mounting hole, the outer end face of cylinder is extended to by the hole wall of piston mounting holes.The present invention can be lubricated between boss outer peripheral surface and shaft mounting hole, reduce the abrasion between cylinder and inner circle fit structure.
Description
Technical field
The present invention relates to compression device technical fields, and in particular to a kind of pump body structure for turning the cylinder piston compressor and turns cylinder
Piston compressor.
Background technique
Turn the compressor that the cylinder piston compressor belongs to a kind of brand new, is substantially former using a kind of crosshead shoe structure
Reason, a kind of compressor that piston compressor primary structure and rotor-type compressor primary structure are combined, and obtained.It is existing
Turn in the cylinder piston compressor, including shaft, the piston being sheathed on outside shaft, and the cylinder being sheathed on outside piston；Refering to fig. 1, O1
For the shaft center of circle, O2 is the cylinder center of circle, and e is distance of center circle, and square is piston mass center.When shaft rotates, band piston carries out circumference
Movement, piston are run within the scope of 0~e relative to the distance of cylinder axis, and at eccentric assembling, shaft passes through work for shaft and cylinder
Plug drives cylinder rotation, and since shaft and cylinder are there are eccentric relationship, when operation, shaft and cylinder are revolved rotating around respective axle center
Turn, relative to cylinder, piston is reciprocating, realizes gas compression.
Turn in the cylinder piston compressor in above-mentioned, there are mainly two types of the modes supported to cylinder, and one is pass through method
The fit structures such as orchid support the inner circle that cylinder carries out, and another kind is carried out by short axle of the fit structures such as limit plate to cylinder
Outer circle bearing.Specifically, it can arrange in pairs or groups according to specific requirements and flexibly, for example all can be inner circle bearing with cylinder both ends, or
Cylinder both ends are all outer circle bearing or the bearing of cylinder one end inner circle, the bearing of other end outer circle.For there are the feelings that inner circle supports
Condition, inner circle fit structure generally include ontology, and the boss extended by ontology, and the outer peripheral surface of boss and the shaft of cylinder are pacified
Fill the hole wall cooperation in hole.When cylinder rotates, rotation is just constituted between the hole wall of the shaft mounting hole of the outer peripheral surface and cylinder of boss
The dynamic friction pair of transhipment, is easily worn with cylinder so as to cause inner circle fit structure, influences the service life of pump body structure and compressor
And reliability.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcoming between cylinder in the prior art and inner circle fit structure
Defect easy to wear, to provide the nonabradable pump housing for turning the cylinder piston compressor between a kind of cylinder and inner circle fit structure
Structure and turn the cylinder piston compressor.
The present invention provides a kind of pump body structure for turning the cylinder piston compressor, comprising:
Cylinder is equipped with shaft mounting hole and piston mounting holes, and the shaft mounting hole is axially through the cylinder and fits
In installation shaft, the piston mounting holes run through the side wall of the cylinder and are suitable for installation piston；
At least one inner circle fit structure extends set at least one end of the cylinder, including ontology, and by the ontology
And the boss gone out；The boss is suitable for stretching being placed in the shaft mounting hole, and cooperates with the hole wall of the shaft mounting hole；Institute
State the aperture that ontology is greater than the shaft mounting hole in the maximum length of the cylinder radially；The cylinder is matched relative to inner circle
Close structure rotation；
Oil guide groove, the oil guide groove are set on the outer peripheral surface of the boss, one end by the boss far from the ontology
Extend to the ontology；Alternatively, the oil guide groove is set on the hole wall of the shaft mounting hole, by the hole of the piston mounting holes
Wall extends to the outer end face of the cylinder.
The oil guide groove is in the shape of a spiral.
Relationship between the rotation direction of the oil guide groove and the rotation direction of the cylinder meets, and the cylinder is relative to described
When inner circle fit structure rotates, oil one component towards the ontology being applied in the oil guide groove.
The oil guide groove is set on the outer peripheral surface of the boss, and the rotation direction of the oil guide groove is with the cylinder relative to described
Inner circle fit structure rotates contrary.
It further include oil storage tank annular in shape, the oil storage tank is set to outer peripheral surface and/or the shaft installation of the boss
On the hole wall in hole；The oil storage tank is connected to the oil guide groove far from one end of the ontology.
The boss is equipped with chamfering far from one end of the ontology, and/or, the shaft mounting hole is pacified towards the piston
The one end for filling hole is equipped with chamfering；Between the chamfering and the hole wall of the shaft mounting hole, or the outer peripheral surface with the boss
Between, form the oil storage tank.
The ontology is equipped with outage, and the outage is the through-hole axially through the ontology, and is led with described
Oil groove is connected to far from one end of the piston mounting holes.
Further include:
The piston is installed in the piston mounting holes, and is suitable for moving back and forth in the piston mounting holes；
The shaft is installed in the piston, and with the cylinder eccentric setting；
Cylinder jacket equipped with the cylinder installation cavity suitable for installing the cylinder, and is connect with the inner circle fit structure.
During the shaft drives the rotational cylinder, the outer peripheral surface of the cylinder towards the corresponding boss is transported
The outer peripheral surface region corresponding with the region in dynamic region and the boss is supporting region；The cylinder is backwards to corresponding described
The outer peripheral surface region corresponding with the region in the region and the boss of the outer peripheral surface movement of boss, is non-bearing area；It is described to lead
Oil groove is set in the non-bearing area.
The cylinder includes cylinder ontology, and the protruding shaft to be extended outwardly by least one end of the cylinder ontology, and described turn
Hole wall of the shaft mounting hole at the protruding shaft is matched with the outer peripheral surface of the inner circle fit structure.
It further include the fuel feed hole on the ontology, the fuel feed hole is axially through the ontology, and close to described
Boss setting.
There are two the inner circle fit structure tools, is respectively arranged on the both ends of the cylinder.
The inner circle fit structure is flange.
The present invention also provides one kind to turn the cylinder piston compressor, including the above-mentioned pump body structure for turning the cylinder piston compressor.
Technical solution of the present invention has the advantages that
1. the pump body structure provided by the invention for turning the cylinder piston compressor, comprising: cylinder is equipped with shaft mounting hole and piston
Mounting hole, the shaft mounting hole is axially through the cylinder and is suitable for installation shaft, and the piston mounting holes are through described
The side wall of cylinder is simultaneously suitable for installation piston；At least one inner circle fit structure, set at least one end of the cylinder, including this
Body, and the boss extended by the ontology；The boss is suitable for stretching and being placed in the shaft mounting hole, and with the shaft
The hole wall of mounting hole cooperates；The ontology is greater than the aperture of the shaft mounting hole in the maximum length of the cylinder radially；
The cylinder is rotated relative to inner circle fit structure；Oil guide groove, the oil guide groove is set on the outer peripheral surface of the boss, by described
Boss extends to the ontology far from one end of the ontology；Alternatively, the oil guide groove is set to the hole wall of the shaft mounting hole
On, the outer end face of the cylinder is extended to by the hole wall of the piston mounting holes.Pass through outer peripheral surface or the shaft installation in boss
Oil guide groove is set on the hole wall in hole, and oil guide groove extends to the ontology far from one end of the ontology by the boss, or by
The hole wall of the piston mounting holes extends to the outer end face of the cylinder, and the oil sprayed in shaft rotation process can be made to enter
In oil guide groove, to outer peripheral surface to boss and be lubricated between the hole wall of shaft mounting hole, effectively reduce cylinder with it is interior
Abrasion between circle fit structure, improves the service life and reliability of pump body structure and compressor.
2. the pump body structure provided by the invention for turning the cylinder piston compressor, the oil guide groove is in the shape of a spiral.This structure shape
The oil guide groove of formula can make the oil in oil guide groove more fill the lubrication between boss outer peripheral surface and the hole wall of shaft mounting hole
Point.
3. the pump body structure provided by the invention for turning the cylinder piston compressor, the rotation direction of the oil guide groove and the cylinder turn
Relationship between dynamic direction meets, and when the cylinder is rotated relative to the inner circle fit structure, is applied in the oil guide groove
Oil one component towards the ontology.The flowing oily in oil guide groove that rotates to be of cylinder in this way provides power, and enhancing is led
Oily mobility in oil groove, and then enhance lubricant effect.
4. the pump body structure provided by the invention for turning the cylinder piston compressor further includes oil storage tank annular in shape, the oil storage
Slot is set on the outer peripheral surface of the boss and/or the hole wall of the shaft mounting hole；The oil storage tank and the oil guide groove are separate
One end of the ontology is connected to.It can guarantee supply of the oil guide groove far from the oil at one end of ontology in this way, so that it is guaranteed that can
To being implemented effectively to lubricate between boss outer peripheral surface and the hole wall of shaft mounting hole.
5. the pump body structure provided by the invention for turning the cylinder piston compressor, the ontology is equipped with outage, the oil extraction
Hole is the through-hole axially through the ontology, and is connected to the oil guide groove far from one end of the piston mounting holes.Oil extraction
Oil in oil guide groove can be expelled in the oil sump of compressor, so that oil circulation is formed, in oil guide groove by the setting in hole immediately
Oil can take away frictional heat between the outer peripheral surface of boss of absorption and the hole wall of shaft mounting hole in real time, reduce boss
The secondary temperature of the friction constituted between the hole wall of the shaft mounting hole of outer peripheral surface and cylinder, improves the reliability of compressor.
6. the pump body structure provided by the invention for turning the cylinder piston compressor, the shaft drive the process of the rotational cylinder
In, the outer peripheral surface in region and the boss that the outer peripheral surface of the cylinder towards the corresponding boss moves and the region pair
The region answered is supporting region；The cylinder is outer backwards to the region that the outer peripheral surface of the corresponding boss moves and the boss
Circumferential surface region corresponding with the region is non-bearing area；The oil guide groove is set in the non-bearing area.Due to convex at supporting region
Friction between the outer peripheral surface of platform and the hole wall of shaft mounting hole is bigger, and oil guide groove is arranged in non-bearing area, it is ensured that
The continuity of lubricating oil film at supporting region reduces the abrasion at supporting region so that it is guaranteed that lubrication zone has preferable lubricant effect,
And then abrasion between the outer peripheral surface of boss and the hole wall of the shaft mounting hole of cylinder is sufficiently reduced, while also having and prevent from carrying
The effect that stress is concentrated at area.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic illustration of crosshead shoe；
Fig. 2 is the stereo decomposing of the pump body structure for turning the cylinder piston compressor provided in the first embodiment of the invention
Schematic diagram；
Fig. 3 is the stereoscopic schematic diagram of the inner circle fit structure of the pump body structure shown in Fig. 2 for turning the cylinder piston compressor；
Fig. 4 is the vertical profile schematic cross-sectional view of inner circle fit structure shown in Fig. 3；
Fig. 5 is the vertical profile schematic cross-sectional view under the assembled state of the pump body structure shown in Fig. 2 for turning the cylinder piston compressor；
Fig. 6 is the enlarged diagram of a-quadrant in Fig. 5；
Description of symbols:
1- cylinder, 11- shaft mounting hole, 12- piston mounting holes, 13- cylinder ontology, 14- protruding shaft, 21- ontology, 211- oil inlet
Hole, 22- boss, 3- oil guide groove, 4- shaft, 5- piston, 6- cylinder jacket, 7- oil storage tank, 8- chamfering, 9- outage.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
As shown in Fig. 2-Fig. 6, the present embodiment provides a kind of pump body structures for turning the cylinder piston compressor, including cylinder 1, inner circle
Fit structure, oil guide groove 3, shaft 4, piston 5 and cylinder jacket 6.
Cylinder 1 is equipped with shaft mounting hole and piston mounting holes 12, and shaft mounting hole is axially through cylinder 1 and is suitable for installation
Shaft 4, piston mounting holes 12 run through the side wall of cylinder 1 and are suitable for installation piston 5.
Inner circle fit structure has one, set on one end of cylinder 1, including ontology 21, and extended by ontology 21
Boss 22；Boss 22 is suitable for stretching being placed in shaft mounting hole, and cooperates with the hole wall of shaft mounting hole；Ontology 21 is in 1 diameter of cylinder
Upward maximum length is greater than the aperture of shaft mounting hole；Cylinder 1 is rotated relative to inner circle fit structure.As disposable reality
Mode is applied, inner circle fit structure also can have two, be respectively arranged on the both ends of cylinder 1.
Oil guide groove 3 is set on the outer peripheral surface of boss 22, extends to ontology 21 far from one end of ontology 21 by boss 22.As
Disposable embodiment is also possible to oil guide groove 3 on the hole wall of shaft mounting hole, and by the hole of piston mounting holes 12
Wall extends to the outer end face of cylinder 1.
Piston 5 is installed in piston mounting holes 12, and is suitable for moving back and forth in piston mounting holes 12.
Shaft 4 is installed in piston 5, and with 1 eccentric setting of cylinder.
Cylinder jacket 6 is equipped with 1 installation cavity of cylinder for being suitable for installing cylinder 1, and connect with inner circle fit structure.
Shaft 4 rotates, so that piston 5 is moved back and forth relative to cylinder 1, and cylinder 1 is driven to rotate relative to cylinder jacket 6.
By the way that oil guide groove 3 is arranged on the outer peripheral surface of boss 22 or the hole wall of shaft mounting hole, and oil guide groove 3 is by boss 22
One end far from ontology 21 extends to ontology 21, or the outer end face of cylinder 1 is extended to by the hole wall of piston mounting holes 12, can make
The oil sprayed in 4 rotation process of shaft enters in oil guide groove 3, thus the hole wall of outer peripheral surface and shaft mounting hole to boss 22
Between be lubricated, effectively reduce the abrasion between cylinder 1 and inner circle fit structure, improve pump body structure and compressor
Service life and reliability.
The concrete shape of ontology 21 can there are many, in the present embodiment, ontology 21 is cylindrical, and outer diameter be greater than shaft
The aperture of mounting hole.As disposable embodiment, ontology 21 may be the cylinder that cross section is in rectangle.
The concrete shape of oil guide groove 3 can there are many, the oil guide groove 3 in the present embodiment is in the shape of a spiral.This structure type
Oil guide groove 3, can make in oil guide groove 3 oil the lubrication between 22 outer peripheral surface of boss and the hole wall of shaft mounting hole is more filled
Point.As disposable embodiment, oil guide groove 3 can also be linearly, along the axially extending of boss 22.
In order to provide power for flowing oily in oil guide groove 3, enhance mobility oily in oil guide groove 3, and then enhance
Lubricant effect, in the present embodiment, the relationship between the rotation direction of oil guide groove 3 and the rotation direction of cylinder 1 meet, and cylinder 1 is opposite
When the rotation of inner circle fit structure, oil one component towards ontology 21 being applied in oil guide groove 3.Specifically, oil guide groove 3
Rotation direction rotates with cylinder 1 relative to inner circle fit structure contrary.As disposable embodiment, when oil guide groove 3 is set
In being the direction phase that then rotation direction of preferred oil guide groove 3 is rotated with cylinder relative to inner circle fit structure on the hole wall of shaft mounting hole
Together.
What is provided in the present embodiment turns the pump body structure of the cylinder piston compressor, further includes oil storage tank 7 annular in shape, oil storage tank
7 are set on the outer peripheral surface of boss 22, and are connected to oil guide groove 3 far from one end of ontology 21.It can guarantee that oil guide groove 3 is separate in this way
The supply of oil at one end of ontology 21, so that it is guaranteed that can be carried out between 22 outer peripheral surface of boss and the hole wall of shaft mounting hole
Implement effective lubrication.As disposable embodiment, oil storage tank 7 can also be set on the hole wall of shaft mounting hole.As
Disposable embodiment, oil storage tank 7 can also be simultaneously on the outer peripheral surfaces of boss 22 and on the hole wall of shaft mounting hole.
The specific generation type of oil storage tank 7 can there are many, in the present embodiment, boss 22 is set far from one end of ontology 21
There is chamfering 8, forms oil storage tank 7 between chamfering 8 and the hole wall of shaft mounting hole.As disposable embodiment, it is also possible to
Shaft mounting hole is equipped with chamfering 8 towards one end of piston mounting holes 12, forms oil storage tank between chamfering 8 and the outer peripheral surface of boss 22
7.As disposable embodiment, it is also possible that boss 22 is equipped with chamfering 8 far from one end of ontology 21, while shaft is installed
One end of hole towards piston mounting holes 12 also is provided with chamfering 8；Chamfering 8 on boss 22 and between the hole wall of shaft mounting hole, and
Between chamfering 8 in shaft mounting hole and the outer peripheral surface of boss 22, oil storage tank 7 is collectively formed, also that is, shape between two chamferings 8
At the oil storage tank 7.
In the present embodiment, ontology 21 is equipped with outage 9, and outage 9 is the through-hole axially through ontology 21, and with
Oil guide groove 3 is connected to far from one end of piston mounting holes 12.Oil in oil guide groove 3 can be expelled to by the setting of outage 9 immediately
In the oil sump of compressor, to form oil circulation, the oil in oil guide groove 3 can take away the outer peripheral surface of the boss 22 of absorption in real time
Frictional heat between the hole wall of shaft mounting hole reduces the hole wall of the outer peripheral surface of boss 22 and the shaft mounting hole of cylinder 1
Between the secondary temperature of the friction that constitutes, improve the reliability of compressor.
During shaft 4 drives cylinder 1 to rotate, the region that the outer peripheral surface of cylinder 1 towards corresponding boss 22 moves, and
The outer peripheral surface of boss 22 region corresponding with the region is supporting region；Cylinder 1 is moved backwards to the outer peripheral surface of corresponding boss 22
The outer peripheral surface of region and boss 22 region corresponding with the region is non-bearing area.
Oil guide groove 3 the specific location on boss 22 can there are many, in the present embodiment, oil guide groove 3 be set to non-bearing
Qu Shang.Since the friction at supporting region between the outer peripheral surface of boss 22 and the hole wall of shaft mounting hole is bigger, oil guide groove 3 is arranged
In non-bearing area, it is ensured that the continuity of lubricating oil film at supporting region, so that it is guaranteed that lubrication zone has preferable lubrication effect
Fruit reduces the abrasion at supporting region, and then sufficiently reduces between the outer peripheral surface of boss 22 and the hole wall of the shaft mounting hole of cylinder 1
Abrasion, while also having the effect of preventing at supporting region stress to concentrate.
In the present embodiment, cylinder 1 includes cylinder ontology 13, and is extended outwardly respectively by the both ends of cylinder ontology 13 convex
Axis 14, hole wall of the shaft mounting hole at protruding shaft 14 are matched with the outer peripheral surface of inner circle fit structure.As disposable implementation
Mode, being also possible to only extend in one end of cylinder ontology 13 has protruding shaft 14.As disposable embodiment, it is also possible that
The both ends of cylinder ontology 13 do not set protruding shaft 14.
What is provided in the present embodiment turns the pump body structure of the cylinder piston compressor, further includes the fuel feed hole on ontology 21
211, fuel feed hole 211 is arranged axially through ontology 21, and close to boss 22.
The concrete form of inner circle fit structure can there are many, inner circle fit structure in the present embodiment is flange.
The present embodiment also provides one kind and turns the cylinder piston compressor, including the above-mentioned pump body structure for turning the cylinder piston compressor.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (14)
1. a kind of pump body structure for turning the cylinder piston compressor characterized by comprising
Cylinder (1) is equipped with shaft mounting hole (11) and piston mounting holes (12), and the shaft mounting hole (11) is axially through institute
It states cylinder (1) and is suitable for installation shaft (4), the piston mounting holes (12) run through the side wall of the cylinder (1) and are suitable for installation
Piston (5)；
At least one inner circle fit structure is set at least one end of the cylinder (1), including ontology (21), and by the ontology
(21) boss (22) extended；The boss (22) is suitable for stretching and being placed in the shaft mounting hole (11), and with described turn
The hole wall of shaft mounting hole (11) cooperates；The ontology (21) is greater than the shaft in the maximum length of the cylinder (1) radially
The aperture of mounting hole (11)；The cylinder (1) rotates relative to inner circle fit structure；
Oil guide groove (3), the oil guide groove (3) are set on the outer peripheral surface of the boss (22), by the boss (22) far from described
One end of ontology (21) extends to the ontology (21)；Alternatively, the oil guide groove (3) is set to the hole of the shaft mounting hole (11)
On wall, the outer end face of the cylinder (1) is extended to by the hole wall of the piston mounting holes (12).
2. the pump body structure according to claim 1 for turning the cylinder piston compressor, which is characterized in that the oil guide groove (3) is in
Helical form.
3. the pump body structure according to claim 2 for turning the cylinder piston compressor, which is characterized in that the oil guide groove (3)
Relationship between rotation direction and the rotation direction of the cylinder (1) meets, and the cylinder (1) is revolved relative to the inner circle fit structure
When turning, oil one component towards the ontology (21) being applied in the oil guide groove (3).
4. the pump body structure according to claim 3 for turning the cylinder piston compressor, which is characterized in that the oil guide groove (3) sets
In on the outer peripheral surface of the boss (22), the rotation direction of the oil guide groove (3) and the cylinder (1) are tied relative to inner circle cooperation
Structure rotates contrary.
5. turning the pump body structure of the cylinder piston compressor described in any one of -4 according to claim 1, which is characterized in that further include
Oil storage tank (7) annular in shape, outer peripheral surface and/or the shaft mounting hole of the oil storage tank (7) set on the boss (22)
(11) on hole wall；The oil storage tank (7) is connected to the oil guide groove (3) far from the one end of the ontology (21).
6. the pump body structure according to claim 5 for turning the cylinder piston compressor, which is characterized in that the boss (22) is separate
One end of the ontology (21) is equipped with chamfering (8), and/or, the shaft mounting hole (11) is towards the piston mounting holes (12)
One end be equipped with chamfering (8)；Between the chamfering (8) and the hole wall of the shaft mounting hole (11), or with the boss
(22) between outer peripheral surface, the oil storage tank (7) are formed.
7. the pump body structure according to any one of claim 1-3 for turning the cylinder piston compressor, which is characterized in that described
Body (21) is equipped with outage (9), and the outage (9) is the through-hole axially through the ontology (21), and is led with described
Oil groove (3) is connected to far from the one end of the piston mounting holes (12).
8. the pump body structure according to any one of claim 1-3 for turning the cylinder piston compressor, which is characterized in that also wrap
It includes:
The piston (5), is installed in the piston mounting holes (12), and is suitable for back and forth moving in the piston mounting holes (12)
It is dynamic；
The shaft (4), is installed in the piston (5), and with the cylinder (1) eccentric setting；
Cylinder jacket (6) is equipped with cylinder (1) installation cavity for being suitable for installing the cylinder (1), and connects with the inner circle fit structure
It connects.
9. the pump body structure according to claim 8 for turning the cylinder piston compressor, which is characterized in that the shaft (4) drives
During cylinder (1) rotation, the region that the outer peripheral surface of the cylinder (1) towards the corresponding boss (22) moves,
And the outer peripheral surface region corresponding with the region of the boss (22), it is supporting region；The cylinder (1) is backwards to corresponding described convex
The outer peripheral surface region corresponding with the region in the region and the boss (22) of the outer peripheral surface movement of platform (22), is non-bearing area；
The oil guide groove (3) is set in the non-bearing area.
10. the pump body structure according to any one of claim 1-3 for turning the cylinder piston compressor, which is characterized in that described
Cylinder (1) includes cylinder ontology (13), and the protruding shaft (14) to be extended outwardly by least one end of the cylinder ontology (13), described
Hole wall of the shaft mounting hole (11) at the protruding shaft (14) is matched with the outer peripheral surface of the inner circle fit structure.
11. the pump body structure according to any one of claim 1-3 for turning the cylinder piston compressor, which is characterized in that also wrap
The fuel feed hole (211) being set on the ontology (21) is included, the fuel feed hole (211) is leaned on axially through the ontology (21)
Nearly boss (22) setting.
12. the pump body structure according to any one of claim 1-3 for turning the cylinder piston compressor, which is characterized in that described
There are two inner circle fit structure tools, is respectively arranged on the both ends of the cylinder (1).
13. the pump body structure according to any one of claim 1-3 for turning the cylinder piston compressor, which is characterized in that described
Inner circle fit structure is flange.
14. one kind turns the cylinder piston compressor, which is characterized in that live including the cylinder according to claim 1 to 13 that turns
Fill in the pump body structure of compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811544583.9A CN109488592A (en) | 2018-12-17 | 2018-12-17 | Turn the pump body structure of the cylinder piston compressor and turns the cylinder piston compressor |
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| CN201811544583.9A CN109488592A (en) | 2018-12-17 | 2018-12-17 | Turn the pump body structure of the cylinder piston compressor and turns the cylinder piston compressor |
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| CN109488592A true CN109488592A (en) | 2019-03-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727736A (en) * | 2020-12-29 | 2021-04-30 | 珠海格力电器股份有限公司 | Pump body assembly and fluid machine |
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|---|---|---|---|---|
| CN103939343A (en) * | 2014-04-01 | 2014-07-23 | 西安交通大学 | Rolling piston refrigeration compressor with low backpressure |
| CN106678019A (en) * | 2017-01-19 | 2017-05-17 | 珠海凌达压缩机有限公司 | Pump body structure and compressor |
| CN108799103A (en) * | 2018-07-18 | 2018-11-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly, fluid machinery and heat transmission equipment |
| CN209743158U (en) * | 2018-12-17 | 2019-12-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body structure of rotary cylinder piston compressor and rotary cylinder piston compressor |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939343A (en) * | 2014-04-01 | 2014-07-23 | 西安交通大学 | Rolling piston refrigeration compressor with low backpressure |
| CN106678019A (en) * | 2017-01-19 | 2017-05-17 | 珠海凌达压缩机有限公司 | Pump body structure and compressor |
| CN108799103A (en) * | 2018-07-18 | 2018-11-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump assembly, fluid machinery and heat transmission equipment |
| CN209743158U (en) * | 2018-12-17 | 2019-12-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body structure of rotary cylinder piston compressor and rotary cylinder piston compressor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112727736A (en) * | 2020-12-29 | 2021-04-30 | 珠海格力电器股份有限公司 | Pump body assembly and fluid machine |
| CN112727736B (en) * | 2020-12-29 | 2022-02-11 | 珠海格力电器股份有限公司 | Pump body assembly and fluid machine |
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