CN207568803U - Pump assembly, fluid machinery and heat transmission equipment - Google Patents
Pump assembly, fluid machinery and heat transmission equipment Download PDFInfo
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- CN207568803U CN207568803U CN201721737574.2U CN201721737574U CN207568803U CN 207568803 U CN207568803 U CN 207568803U CN 201721737574 U CN201721737574 U CN 201721737574U CN 207568803 U CN207568803 U CN 207568803U
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- pump assembly
- cylinder block
- attrition
- bent axle
- slot
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Abstract
The utility model provides a kind of pump assembly, fluid machinery and heat transmission equipment.Wherein, pump assembly includes：Bent axle；Cylinder block has the crankshaft hole that bent axle is supplied to pass through and the mounting groove for installing bearing, and mounting groove is coaxially disposed with crankshaft hole, and anti-attrition slot is provided with, and anti-attrition slot is connected with mounting groove on cylinder block.The utility model efficiently solve the problems, such ass to wear between the bent axle and cylinder block of pump assembly in the prior art larger.
Description
Technical field
The utility model is related to pump assembly technical fields, in particular to a kind of pump assembly, fluid machinery and change
Hot equipment.
Background technology
In the prior art, the operation principle of piston compressor is：As shown in Figure 1, fortune is eccentrically rotated by bent axle 1 '
Dynamic band piston moves back and forth, so that the gas in cylinder block is compressed.Wherein, bearing is by a sliding bearing and one
Thrust bearing is formed, the horizontal load power F that sliding bearing support is generated by connecting rodc, thrust bearing support by bent axle 1 ' weight
Wait the vertical load F of generationst。
However, above-mentioned setting so that the connection between cylinder block and bent axle is rigid connection, bent axle 1 ' is in stress, axis
Line easily shifts, then line occurs between bent axle 1 ' and the crankshaft hole of cylinder block contacts, and leads to contact of the bent axle 1 ' with cylinder block
Position rubs, and not only causes the abrasion of bent axle 1 ' and cylinder block, has an effect on the efficiency of compressor, reduces the work of compressor
Make efficiency, working performance and reliability.
Utility model content
The main purpose of the utility model is that a kind of pump assembly, fluid machinery and heat transmission equipment are provided, it is existing to solve
The problem of larger is worn between the bent axle and cylinder block that have technology middle pump body component.
To achieve these goals, one side according to the present utility model provides a kind of pump assembly, including：It is bent
Axis；Cylinder block has the crankshaft hole that bent axle is supplied to pass through and the mounting groove for installing bearing, and mounting groove is coaxially disposed with crankshaft hole,
Anti-attrition slot is provided on cylinder block, and anti-attrition slot is connected with mounting groove.
Further, anti-attrition slot is arc groove or annular groove.
Further, anti-attrition slot is arranged concentrically with crankshaft hole.
Further, orthographic projection of the anti-attrition slot on mounting groove is located in the edge of mounting groove.
Further, when anti-attrition slot is arc groove, anti-attrition slot is one or more, multiple to subtract when anti-attrition slot is multiple
Slot grinding is provided at circumferentially spaced along crankshaft hole.
Further, the groove width of anti-attrition slot is more than or equal to 1.5mm and less than or equal to 3mm.
Further, anti-attrition slot is arranged at intervals to the direction extension far from mounting groove and with the outer surface of cylinder block.
Further, anti-attrition slot extends to the direction far from mounting groove and penetrates through the outer surface of cylinder block.
Further, pump assembly further includes：Oil leak structure, one end of the separate mounting groove of anti-attrition slot pass through oil leak structure
It is connected with the outer surface of cylinder block, the lubricant medium in bearing is expelled to by oil leak structure outside cylinder block via after anti-attrition slot.
Further, oil leak structure includes one or more oil leaking holes, and when oil leaking hole is multiple, multiple oil leaking holes edges are bent
Axis hole is provided at circumferentially spaced.
Further, the extending direction of oil leaking hole and the extending direction of anti-attrition slot are set in angle.
Further, the aperture of oil leaking hole is more than or equal to 0.5mm.
Further, mounting portion annular groove, and mounting portion are provided on the outer surface of one end of the separate mounting groove of cylinder block
The groove depth of annular groove is less than or equal to 1.5mm.
Further, bent axle has eccentric part, and cylinder block contacts setting, and two shaft part difference with two shaft parts of bent axle
For the first shaft part and the second shaft part, wherein, first axle section is between eccentric part and the second shaft part, and the height H1 of the first shaft part
Less than the groove depth h1 of anti-attrition slot, there is distance h2 between the cell wall of separate anti-attrition slot of mounting portion annular groove and the lower end of cylinder block,
And second shaft part height H2 be less than distance h2.
Another aspect according to the present utility model provides a kind of fluid machinery, including above-mentioned pump assembly.
Another aspect according to the present utility model provides a kind of heat transmission equipment, including above-mentioned fluid machinery.
Using the technical solution of the utility model, pump assembly includes bent axle and cylinder block.Wherein, cylinder block has and supplies
The crankshaft hole and the mounting groove of installation bearing that bent axle passes through, and mounting groove is coaxially disposed with crankshaft hole, is provided with and is subtracted on cylinder block
Slot grinding, and anti-attrition slot is connected with mounting groove.The above-mentioned setting of anti-attrition slot can reduce the rigidity of structure of cylinder block so that cylinder block
It sets and is easily deformed upon at the position of anti-attrition slot.
In pump assembly operational process, when its axis shifts after bent axle stress, cylinder block is in the effect of bent axle
Under can also occur corresponding deformation, and then the contact surface area both increased, reduce Max.contact stress therebetween, change
The stressing conditions of kind bent axle and cylinder block prevent the two junction from stress concentration occurs, and then reduce the knot of bent axle and cylinder block
Structure is worn, and extends the service life of bent axle and cylinder block, and working efficiency, working performance and the structure for promoting pump assembly are reliable
Property.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality
Novel illustrative embodiments and their description do not form the improper restriction to the utility model for explaining the utility model.
In the accompanying drawings：
Fig. 1 shows the front view of bent axle in the prior art；
Fig. 2 shows the front views of the bent axle of the embodiment one of pump assembly according to the present utility model；
Fig. 3 shows the vertical view of the cylinder block of the embodiment one of pump assembly according to the present utility model；
Fig. 4 shows the sectional view along A-A of the cylinder block in Fig. 3；
Fig. 5 shows the vertical view of the cylinder block of the embodiment two of pump assembly according to the present utility model；
Fig. 6 shows the B-B direction sectional view of the cylinder block in Fig. 5；
Fig. 7 shows the sectional view of the pump assembly in the fluid machinery Application Example two of the utility model；And
Fig. 8 shows the Max.contact stress comparison diagram of the bent axle and bent axle in the prior art in the utility model.
Wherein, above-mentioned attached drawing is marked including the following drawings：
1 ', bent axle；10th, bent axle；11st, eccentric part；12nd, the first shaft part；13rd, the second shaft part；20th, cylinder block；21st, bent axle
Hole；22nd, mounting groove；23rd, anti-attrition slot；241st, mounting portion annular groove；30th, bearing；41st, oil leaking hole；50th, connecting rod；60th, piston.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application
The normally understood identical meanings of person of an ordinary skill in the technical field.
In the utility model in the case where not making to illustrate on the contrary, the noun of locality such as " upper and lower " used is typically to be directed to
For direction shown in the drawings or on vertical, vertical or gravity direction；Similarly, for ease of understanding
And description, " left and right " is typically for shown in the drawings left and right；" inside and outside " refers to the profile relative to each component in itself
It is inside and outside, but the above-mentioned noun of locality is not intended to limit the utility model.
Larger in order to solve the problems, such as to wear between the bent axle and cylinder block of pump assembly in the prior art, the application provides
A kind of pump assembly, fluid machinery and heat transmission equipment.
Embodiment one
As shown in Figures 2 to 4, pump assembly includes bent axle 10 and cylinder block 20.Wherein, cylinder block 20 has for bent axle 10
The crankshaft hole 21 and the mounting groove 22 of installation bearing 30 passed through, and mounting groove 22 is coaxially disposed with crankshaft hole 21, on cylinder block 20
Anti-attrition slot 23 is provided with, and anti-attrition slot 23 is connected with mounting groove 22.
Using the technical solution of the present embodiment, the above-mentioned setting of anti-attrition slot 23 can reduce the rigidity of structure of cylinder block 20,
It is easily deformed upon at the position of anti-attrition slot 23 so that cylinder block 20 is set.
In pump assembly operational process, when its axis shifts after 10 stress of bent axle, cylinder block 20 is in bent axle 10
Under the action of can also occur corresponding deformation, and then the contact surface area both increased, reduce Maximum Contact therebetween
Stress improves the stressing conditions of bent axle 10 and cylinder block 20, prevents the two junction from stress concentration occurs, and then reduce bent axle 10
And the structural wear of cylinder block 20, extend the service life of bent axle 10 and cylinder block 20, promote working efficiency, the work of pump assembly
Make performance and structural reliability.
In the present embodiment, anti-attrition slot 23 can improve the stressing conditions between cylinder block 20 and bent axle 10, increase bent axle
10 with the contact area of oil film and crankshaft hole 21, reduce the abrasion of bent axle 10 and cylinder block 20, promote the work effect of pump assembly
Rate.Meanwhile the above-mentioned setting of anti-attrition slot 23 solves pump assembly under bad working environments, occurs between bent axle 10 and crankshaft hole 21
The inordinate wear that line contact is brought improves the wearability of pump assembly, so as to extend the service life of pump assembly.In this way, subtract
On the one hand the above-mentioned setting of slot grinding 23 can promote the mechanical efficiency of pump assembly, promote working performance and the work of pump assembly
Reliability；On the other hand, reduce the noise generated in pump assembly operational process and vibration.
As shown in figure 3, anti-attrition slot 23 is annular groove.In this way, anti-attrition slot 23 is connected with installing the mounting groove 22 of bearing 30, make
Obtaining cylinder block 20 sets the part of anti-attrition slot 23 that moving or deforming along 21 radial direction of crankshaft hole can occur, and then reduce gas
The rigidity of structure of cylinder seat 20 so that cylinder block 20 can with 10 synchronous deformation of bent axle, and then ensure therebetween always have compared with
Big contact area reduces Max.contact stress therebetween, and then extends the service life of pump assembly, promotes pump housing group
The functional reliability of part.The structure of above structure is simple, is easily worked.
It should be noted that the structure of anti-attrition slot 23 is without being limited thereto.Optionally, anti-attrition slot 23 is polygon groove.
As shown in figure 3, anti-attrition slot 23 is arranged concentrically with crankshaft hole 21.In this way, above-mentioned setting causes anti-attrition slot 23 and bent axle
The distance between hole 21 all same, and then ensure that the deformation in all directions can occur for cylinder block 20, and then ensure bent axle 10
No matter the offset in which direction is occurred, and cylinder block 20 can occur corresponding deformation with bent axle 10, reduce therebetween
Max.contact stress reduces frictional dissipation, promotes the working performance of pump assembly.The structure of above structure is simple, is easily worked.
As shown in Figure 3 and Figure 4, orthographic projection of the anti-attrition slot 23 on mounting groove 22 is located in the edge of mounting groove 22.Specifically
Ground, the extending direction of anti-attrition slot 23 is identical with the extending direction of crankshaft hole 21, then along the extending direction of crankshaft hole 21, anti-attrition slot 23
The distance between crankshaft hole 21 is identical always, i.e., the extending direction of anti-attrition slot 23 hangs down with the plane where the slot bottom of mounting groove 22
Directly.In this way, above-mentioned setting can ensure that anti-attrition slot 23 is connected with mounting groove 22 so that by side cell wall and the tool of anti-attrition slot 23
The deformations that the cylinder block 20 for having crankshaft hole 21 is formed can be with bent axle 10 together deformation, and then increases crankshaft hole 21 and bent axle
Contact area between 10 prevents that stress concentration occurs therebetween, improves the structural strength of bent axle 10 and cylinder block 20.
In the present embodiment, the internal diameter of the anti-attrition slot 23 is more than or equal to the aperture of crankshaft hole 21, the outer diameter of anti-attrition slot 23
Less than or equal to the outer diameter of mounting groove 22.
In the other embodiment being not shown in the accompanying drawings, anti-attrition slot is arc groove.Optionally, anti-attrition slot is an arc
Slot.The structure of above structure is simple, is easily worked, and reduces the rigidity of structure of cylinder block so that cylinder block and bent axle connect
Synapsis can together be deformed upon with bent axle, and then increase contact area therebetween, reduced Max.contact stress, prevented
The two contact site recurring structure wear, destroy, extend the service life of pump assembly, improve the reliable of pump assembly
Property.
In the other embodiment being not shown in the accompanying drawings, anti-attrition slot is arc groove.Optionally, anti-attrition slot is multiple arcs
Slot, and multiple arcs slot being provided at circumferentially spaced along crankshaft hole.In this way, above-mentioned setting reduces the rigidity of structure of cylinder block, make
Cylinder block is obtained with the contact position of bent axle with deforming upon together with bent axle, and then increase contact area therebetween to subtract
Small Max.contact stress prevents the two in the abrasion of contact site recurring structure, destroys, extends the service life of pump assembly, carry
The operational reliability of high pump assembly.The structure of above structure is simple, is easily worked.
In the present embodiment, the groove width of anti-attrition slot 23 is more than or equal to 1.5mm and less than or equal to 3mm.In this way, above-mentioned setting is not
The rigidity of structure of cylinder block 20 can only be reduced so that cylinder block 20 is more prone to deform upon with 10 contact position of bent axle, also protects
The structural strength of cylinder block 20 has been demonstrate,proved, has prevented cylinder block 20 from fracture or damaged occurring in deformation process, and then extend cylinder
The service life of seat 20 promotes the use reliability of pump assembly.
As shown in figure 4, anti-attrition slot 23 extends to the direction far from mounting groove 22 and is set with the appearance face interval of cylinder block 20
It puts.Specifically, anti-attrition slot 23 can not penetrate through the outer surface of cylinder block 20 so that shape occurs for a part of structure of cylinder block 20
Become, other structures part can not deform upon, displacement, and then ensure the stable connection between each structure in pump assembly
Property improves the operational reliability of pump assembly.
As shown in figure 4, mounting portion annular groove 241 is provided on the outer surface of one end of the separate mounting groove 22 of cylinder block 20,
And the groove depth of mounting portion annular groove 241 is less than or equal to 1.5mm.In this way, above-mentioned setting to set mounting portion annular groove on cylinder block 20
The thickness at 241 positions reduces, so that the position easily deforms upon, further improves the flexibility of cylinder block 20 so that gas
Cylinder seat 20 is more prone to deform upon.
Specifically, the position of mounting portion annular groove 241 is set to be used to support the lower end of bent axle 10, above-mentioned setting on cylinder block 20
So that the flexibility at the position is preferably, easily deform upon, and then ensure the deformation synchronous with cylinder block 20 of bent axle 10, ensure the two
Between have larger contact area, reduce Max.contact stress therebetween, eliminate viscous abrasion, prevent bent axle 10 and
The structural wear of cylinder block 20 and friction extend the service life of pump assembly, promote the functional reliability of pump assembly.
Optionally, the length of mounting portion annular groove 241 in the axial direction is more than or equal to 5mm.Cause in this way, above structure is set
Cylinder block 20 can generate enough deformations after stress.
As shown in Fig. 2, bent axle 10 has eccentric part 11, cylinder block 20 contacts setting, and two with two shaft parts of bent axle 10
A shaft part is respectively the first shaft part 12 and the second shaft part 13, wherein, the first shaft part 12 be located at 11 and second shaft part 13 of eccentric part it
Between, and the height H1 of the first shaft part 12 is less than the groove depth h1 of anti-attrition slot 23, the cell wall of the separate anti-attrition slot 23 of mounting portion annular groove 241
There is distance h2 between the lower end of cylinder block 20, and the height H2 of the second shaft part 13 is less than distance h2.In this way, above-mentioned setting is protected
Card anti-attrition slot 23 can play the role of reducing contact stress between bent axle 10 and cylinder block 20, and then prevent bent axle 10 and cylinder
Frictional dissipation occurs for seat 20, extends the service life of pump assembly, improves the functional reliability of pump assembly.
In the present embodiment, cylinder block 20 includes two kinds of flexible slots, i.e. anti-attrition slot 23 and mounting portion annular groove 241.Specifically,
In pump assembly operational process, bent axle 10 is rotated in crankshaft hole 21, the cooperation section of crankshaft hole 21 and bent axle 10
Cylinder block sliding axle bearing portion is formed, and is divided into base bearing and supplementary bearing two parts.Wherein, on cylinder block 20 with the first shaft part
12 corresponding positions are main bearing portion, are countershaft bearing portion with 13 corresponding position of the second shaft part.Anti-attrition slot 23 is arranged on base bearing
In portion (interior), mounting portion annular groove 241 is arranged on the outside of countershaft bearing portion, and anti-attrition slot 23 and mounting portion annular groove 241 are correspondingly reduced
The rigidity of structure of cylinder block 20, and then increase the flexibility of cylinder block 20.
Anti-attrition slot 23 in the present embodiment on cylinder block 20 is set and is not set in the prior art as shown in figure 8, being shown in figure
The Max.contact stress comparison diagram that bent axle 10 is subject to when putting anti-attrition slot, as can be seen from Figure 8, in the present embodiment on bent axle 10 by
The Max.contact stress arrived is 13.4Mpa, and the Max.contact stress being subject on bent axle 10 in the prior art is 17.3Mpa, with
The prior art is compared, and the Max.contact stress that bent axle 10 is subject in the present embodiment reduces 22.5%, so that bent axle 10
Service life is longer, wears smaller, and cause the working efficiency of pump assembly more preferably.
Present invention also provides a kind of fluid machinery (not shown), including above-mentioned pump assembly.As shown in fig. 7, fluid
Machinery is compressor, and compressor further includes connecting rod 50 and piston 60.Wherein, bent axle 10 drives connecting rod 50 to carry out eccentric rotary, and
Connecting rod 50 moves back and forth with piston 60, to realize the air-breathing of pump assembly, compression and exhaust.Specifically, in compressor
In operational process, motor band dynamic crankshaft 10 is rotated in crankshaft hole 21, and bent axle 10 forms sliding bearing with crankshaft hole 21.
The helical oil groove for oiling is provided on the outer surface of first shaft part 12 of bent axle 10, when bent axle 10 operates, it is low to form annular
Pressure area.Mean gap between the outer surface of crankshaft hole 21 and bent axle 10 is usually 10 μm, acts on the load force on bent axle 10
The oil film pressure and contact generated between crankshaft hole 21 by it is formed.
Optionally, compressor is reciprocating compressor.
Present invention also provides a kind of heat transmission equipment (not shown), including above-mentioned fluid machinery.Optionally, heat transmission equipment
For refrigerator.In this way, contact stress is smaller between the bent axle 10 of reciprocating compressor and cylinder block 20, and then eliminate therebetween
Viscous abrasion, extend the service life and refrigerating efficiency of refrigerator.
Embodiment two
Pump assembly in embodiment two and embodiment one difference lies in：The structure of cylinder block 20 is different.
As shown in Figure 5 and Figure 6, anti-attrition slot 23 extends to the direction far from mounting groove 22 and penetrates through the appearance of cylinder block 20
Face.Specifically, pump assembly further includes oil leak structure.Wherein, one end of the separate mounting groove 22 of anti-attrition slot 23 passes through oil leak knot
Structure is connected with the outer surface of cylinder block 20, and the lubricant medium in bearing 30 is expelled to gas via after anti-attrition slot 23 by oil leak structure
Outside cylinder seat 20.In this way, the lubricant medium leak into anti-attrition slot 23 is directed into outside pump assembly by oil leak structure, anti-attrition is prevented
The interior normal use gathered lubricant medium and influence anti-attrition slot 23 of slot 23.
Optionally, oil leak structure includes one or more oil leaking holes 41, when oil leaking hole 41 is multiple, multiple oil leaking holes 41
Along being provided at circumferentially spaced for crankshaft hole 21.In the present embodiment, oil leak structure includes four oil leaking holes 41, and four oil leaking holes 41
Along being provided at circumferentially spaced for crankshaft hole 21.In this way, above-mentioned setting can realize oil leaking hole 41 to lubricant medium in anti-attrition slot 23
Uniformly export so that lubricant medium will not be stored in anti-attrition slot 23, and then ensures that anti-attrition slot 23 can reduce the knot of cylinder block 20
Structure rigidity, the dough deformation of lifting cylinder seat 20.
It should be noted that the number of oil leaking hole 41 is without being limited thereto.Optionally, oil leaking hole 41 for two, three, five or
It is multiple, and the spacing between each oil leaking hole 41 is identical.
As shown in Figure 5 and Figure 6, the extending direction of oil leaking hole 41 and the extending direction of anti-attrition slot 23 are set in angle.It is above-mentioned
The structure of structure is simple, is easily worked.
In the present embodiment, the aperture of oil leaking hole 41 is more than or equal to 0.5mm.In this way, above-mentioned setting can ensure oil leaking hole
The smooth export of 41 pairs of lubricant mediums prevents lubricant medium from occurring to block and influence the normal of lubricant medium and lead in oil leaking hole 41
Go out, and then improve the structural reliability of pump assembly.
It can be seen from the above description that the above embodiments of the present invention achieve the following technical effects：
The above-mentioned setting of anti-attrition slot can reduce the rigidity of structure of cylinder block so that at the position of cylinder block setting anti-attrition slot
Easily deform upon.
In pump assembly operational process, when its axis shifts after bent axle stress, cylinder block is in the effect of bent axle
Under can also occur corresponding deformation, and then the contact surface area both increased, reduce Max.contact stress therebetween, change
The stressing conditions of kind bent axle and cylinder block prevent the two junction from stress concentration occurs, and then reduce the knot of bent axle and cylinder block
Structure is worn, and extends the service life of bent axle and cylinder block, and working efficiency, working performance and the structure for promoting pump assembly are reliable
Property.
Obviously, above-mentioned described embodiment is only the embodiment of the utility model part rather than the reality of whole
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained should all belong to the range of the utility model protection.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or combination thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be the object for distinguishing similar, and specific sequence or precedence are described without being used for.It should be appreciated that it uses in this way
Data can be interchanged in the appropriate case, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (16)
1. a kind of pump assembly, which is characterized in that including：
Bent axle (10)；
Cylinder block (20) has the mounting groove (22) of the crankshaft hole (21) that the bent axle (10) is supplied to pass through and installation bearing (30),
And the mounting groove (22) is coaxially disposed with the crankshaft hole (21), and anti-attrition slot (23) is provided on the cylinder block (20), and
The anti-attrition slot (23) connects with the mounting groove (22).
2. pump assembly according to claim 1, which is characterized in that the anti-attrition slot (23) is arc groove or annular groove.
3. pump assembly according to claim 2, which is characterized in that the anti-attrition slot (23) is same with the crankshaft hole (21)
The heart is set.
4. the pump assembly according to Claims 2 or 3, which is characterized in that the anti-attrition slot (23) is in the mounting groove
(22) orthographic projection on is located in the edge of the mounting groove (22).
5. pump assembly according to claim 2, which is characterized in that when the anti-attrition slot (23) is the arc groove, institute
It is one or more to state anti-attrition slot (23), and when the anti-attrition slot (23) is multiple, multiple anti-attrition slots (23) are along the song
Axis hole (21) are provided at circumferentially spaced.
6. pump assembly according to claim 1 or 2, which is characterized in that the groove width of the anti-attrition slot (23) is more than or equal to
1.5mm and less than or equal to 3mm.
7. pump assembly according to claim 1, which is characterized in that the anti-attrition slot (23) is to far from the mounting groove
(22) direction extends and is arranged at intervals with the outer surface of the cylinder block (20).
8. pump assembly according to claim 1, which is characterized in that the anti-attrition slot (23) is to far from the mounting groove
(22) direction extends and penetrates through the outer surface of the cylinder block (20).
9. pump assembly according to claim 8, which is characterized in that the pump assembly further includes：
Oil leak structure, one end far from the mounting groove (22) of the anti-attrition slot (23) pass through the oil leak structure and the gas
The outer surface connection of cylinder seat (20), lubricant medium in the bearing (30) after the anti-attrition slot (23) via passing through the oil leak
Structure is expelled to the cylinder block (20) outside.
10. pump assembly according to claim 9, which is characterized in that the oil leak structure includes one or more oil leaks
Hole (41), when the oil leaking hole (41) is multiple, multiple oil leaking holes (41) are along the circumferentially-spaced of the crankshaft hole (21)
Setting.
11. pump assembly according to claim 10, which is characterized in that the extending direction of the oil leaking hole (41) with it is described
The extending direction of anti-attrition slot (23) is set in angle.
12. pump assembly according to claim 10, which is characterized in that the aperture of the oil leaking hole (41) is more than or equal to
0.5mm。
13. pump assembly according to claim 1, which is characterized in that the separate mounting groove of the cylinder block (20)
(22) mounting portion annular groove (241) is provided on the outer surface of one end, and the groove depth of the mounting portion annular groove (241) is less than or equal to
1.5mm。
14. pump assembly according to claim 13, which is characterized in that the bent axle (10) has eccentric part (11), institute
It states cylinder block (20) and setting is contacted with two shaft parts of the bent axle (10), and two shaft parts are respectively the first shaft part (12) and
Two shaft parts (13), wherein, first shaft part (12) is between the eccentric part (11) and second shaft part (13), and institute
The height H1 for stating the first shaft part (12) is less than the groove depth h1 of the anti-attrition slot (23), the separate institute of the mounting portion annular groove (241)
Stating has distance h2 between the cell wall of anti-attrition slot (23) and the lower end of the cylinder block (20), and the height of second shaft part (13)
It spends H2 and is less than the distance h2.
15. a kind of fluid machinery, which is characterized in that including the pump assembly described in any one of claim 1 to 14.
16. a kind of heat transmission equipment, which is characterized in that including the fluid machinery described in claim 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721737574.2U CN207568803U (en) | 2017-12-11 | 2017-12-11 | Pump assembly, fluid machinery and heat transmission equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721737574.2U CN207568803U (en) | 2017-12-11 | 2017-12-11 | Pump assembly, fluid machinery and heat transmission equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207568803U true CN207568803U (en) | 2018-07-03 |
Family
ID=62688068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721737574.2U Active CN207568803U (en) | 2017-12-11 | 2017-12-11 | Pump assembly, fluid machinery and heat transmission equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207568803U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252898A (en) * | 2017-12-11 | 2018-07-06 | 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 |
-
2017
- 2017-12-11 CN CN201721737574.2U patent/CN207568803U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252898A (en) * | 2017-12-11 | 2018-07-06 | 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 |
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