CN208518845U - Piston compressor crankshaft, piston compressor and refrigeration system - Google Patents
Piston compressor crankshaft, piston compressor and refrigeration system Download PDFInfo
- Publication number
- CN208518845U CN208518845U CN201821106737.1U CN201821106737U CN208518845U CN 208518845 U CN208518845 U CN 208518845U CN 201821106737 U CN201821106737 U CN 201821106737U CN 208518845 U CN208518845 U CN 208518845U
- Authority
- CN
- China
- Prior art keywords
- piston compressor
- tonifying
- slide valve
- crankshaft
- eccentric stiffener
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Compressor (AREA)
Abstract
The utility model provides a kind of piston compressor crankshaft, piston compressor and refrigeration system.Piston compressor crankshaft includes the eccentric stiffener of ontology and setting on the body, and the eccentric stiffener is used to drive the tonifying Qi slide valve of piston compressor.The utility model passes through progradation of the eccentric stiffener end face to tonifying Qi slide valve, realize the Asynchrony process of tonifying Qi slide valve opposing pistons, movement of the crankshaft also for tonifying Qi slide valve simultaneously provides driving source, realizes and provides contact surface for tonifying Qi slide valve and promote stroke to provide the beneficial effect of driving source for tonifying Qi slide valve.
Description
Technical field
The utility model relates to compression set technical fields, in particular to a kind of piston compressor crankshaft, piston pressure
Contracting machine and refrigeration system.
Background technique
It is well known that the most common refrigeration modes are steam compression type refrigeration, the compression in vapour compression refrigeration system
Machine is the core drive component of whole system.With small-sized in recent years, energy saving, the efficient core direction for slowly becoming research and development, system
The energy saving research of cold compressor also will increasingly go deep into.
In general, refrigeration compressor is classified according to its control principle, can be divided into frequency-changeable compressor and invariable frequency compressor；
Wherein for frequency-changeable compressor because of its energy conservation characteristic, it is growing day by day that share is captured in market.But compressor at present on the market still with
Based on invariable frequency compressor, mainly since traditional frequency-changeable compressor still remains the limitation in terms of energy conservation.Consider for energy conservation,
Gas-supplying enthalpy-increasing technology is introduced into existing reciprocating-piston compressor and with its refrigeration system, can be made by second vapor injection
Compressor Volume displacement increases, lower cooling capacity enhancing.
Theoretical calculation shows that refrigerant is the refrigerator refrigeration system of R600a, and the centre of 219KPa is carried out under national standard operating condition
When pressure tonifying Qi, refrigerating capacity maximum lift 37%, efficiency maximum lift 29% can be made.
Currently, the research for carrying out Gas-supplying enthalpy-increasing to piston compressor is considerably less, the main reason is that due to piston compressor
Do not have the transition passage of intermediate pressure between Suck and exhaust pressure channel.It can although once thering is research and related patents to show
To open up air supply passage in cylinder side surface, but it can not solve the controlling difficulties that tonifying Qi process is only carried out in compression stage
(when cylinder is in expiratory phase, as long as air supply passage is connected with cylinder will start tonifying Qi), therefore can not reach
Between pressure tonifying Qi essential purpose, the optimum efficiency of improving energy efficiency can not be reached.
Utility model content
The main purpose of the utility model is to provide a kind of piston compressor crankshaft, piston compressor and refrigeration system,
To solve the problems, such as that the tonifying Qi process of piston compressor in the prior art is difficult to be controlled.
To achieve the goals above, one aspect according to the present utility model provides a kind of piston compressor crankshaft, packet
The eccentric stiffener of ontology and setting on the body is included, the eccentric stiffener is used to drive the tonifying Qi slide valve of piston compressor.
Further, the ontology includes long axis and the crank that the long axis top is arranged in, the eccentric stiffener installation
At the position that the long axis is connected with the crank.
Further, the eccentric stiffener includes off-centre operation, and the off-centre operation is arranged with described body by integral forming.
Further, the eccentricity of the off-centre operation is 2.5mm to 4.5mm.
Further, the center of circle of the off-centre operation is not overlapped with the axis of the axis of the long axis and the crank.
Further, the eccentric stiffener includes cam, and the cam is arranged with described body by integral forming.
Further, the compressor crank shaft further includes balance weight, and the balance weight is mounted on the eccentric stiffener.
Further, the balance weight is wholely set with the eccentric stiffener.
Further, the balance weight and the eccentric stiffener split settings are provided with connecting hole on the balance weight, institute
Balance weight is stated to be fixed on the crank by the connecting hole.
Another aspect according to the present utility model, provides a kind of piston compressor, and the piston compressor includes crankshaft
With tonifying Qi slide valve, the crankshaft is above-mentioned piston compressor crankshaft, and the eccentric stiffener is connect with the tonifying Qi spool actuation.
It is according to the present utility model in another aspect, provide a kind of refrigeration system, including piston compressor, the piston pressure
Contracting machine is above-mentioned piston compressor.
Using the technical solution of the utility model, the utility model devises eccentric stiffener, passes through eccentric stiffener end face pair
The progradation of tonifying Qi slide valve realizes the Asynchrony process of tonifying Qi slide valve opposing pistons, while crankshaft is also that tonifying Qi is sliding
The movement of valve provides driving source, realizes and provides contact surface for tonifying Qi slide valve and promote stroke to provide driving source for tonifying Qi slide valve
Beneficial effect.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 diagrammatically illustrates the piston compressor crankshaft of the utility model and the location diagram of tonifying Qi slide valve；
The first embodiment that Fig. 2 diagrammatically illustrates the piston compressor crankshaft of the utility model is dismantled after balance weight
Perspective view；
Fig. 3 diagrammatically illustrates the top view of Fig. 2；
The second embodiment that Fig. 4 diagrammatically illustrates the piston compressor crankshaft of the utility model is dismantled after balance weight
Perspective view；
Fig. 5 diagrammatically illustrates the top view of Fig. 4；
Fig. 6 diagrammatically illustrates the perspective view of the balance weight of the utility model；
Fig. 7 diagrammatically illustrates the off-centre operation propulsion figure of the piston compressor of the utility model；
Fig. 8 diagrammatically illustrates the cam propulsion figure of the piston compressor of the utility model.
Wherein, the above drawings include the following reference numerals:
10, eccentric stiffener；11, off-centre operation；12, cam；20, long axis；30, crank；40, balance weight；41, connecting hole；50,
Tonifying Qi slide valve；60, oil groove；70, venthole.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present 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 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 singular
Also it is 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, operation, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
The method that reciprocating-piston compressor changes refrigerating capacity at present is generally variable speed, transfiguration is adjusted.But due to work
The limitation for filling in the organization plan of compressor, under the premise of guaranteeing efficiency, the adjusting model of the refrigerating capacity of the compressor of same discharge capacity
It encloses still less than normal.The utility model is by introducing a kind of crankshaft with tonifying Qi slide valve propulsive mechanism, with the promotion of crankshaft side end face
Tonifying Qi slide valve, it is intended to which a kind of piston compressor with gas compensation function of utility model is finally reached the system for improving piston compressor
The purpose of cold regulation range and efficiency.
Referring to shown in Fig. 1 to Fig. 8, embodiment according to the present utility model provides a kind of piston compressor, the present embodiment
In piston compressor include cylinder block (not shown), cylinder (not shown), piston compressor crankshaft and tonifying Qi
Slide valve 50.
Wherein, in mounting hole of the piston compressor crankshaft installed on cylinder block, cylinder is mounted on cylinder block, and tonifying Qi is sliding
Valve 50 is mounted on cylinder block.Piston compressor crankshaft includes ontology and eccentric stiffener 10, eccentric stiffener 10 and tonifying Qi slide valve 50
It is drivingly connected, ontology includes long axis 20 and the crank 30 that 20 top of long axis is arranged in, and eccentric stiffener 10 is mounted on long axis 20 and song
At the position that handle 30 connects.When work, when driving crank rotation by structures such as motors, crank 30 drives cylinder piston movement,
And then the refrigerant in cylinder is compressed, at the same time, 10 rotate driving tonifying Qi slide valve 50 of eccentric stiffener is past on cylinder block
It is multiple to move, it is provided with the first tonifying Qi hole on the tonifying Qi slide valve 50 in the present embodiment, the second tonifying Qi hole is provided on cylinder, works as tonifying Qi
For slide valve 50 when moving back and forth on cylinder block, the first tonifying Qi hole is connected to or disconnects connection with the second tonifying Qi hole, when the first tonifying Qi
When hole is connected to the second tonifying Qi hole, it can be passed through the refrigerant of medium temperature and medium pressure into cylinder on suitable opportunity, be easy to implement
The Gas-supplying enthalpy-increasing of piston compressor controls.
As it can be seen that the piston compressor crankshaft of the utility model have 50 propulsive mechanism of tonifying Qi slide valve, the crankshaft with it is existing
Crankshaft except that between crankshaft long axis 20 and crank 30 have eccentric stiffener 10.It is and inclined during crank rotation
The distance of tangent 20 central axis of plan range crankshaft long axis in 10 side end face of concentric mechanism will determine by 10 structure of eccentric stiffener, in turn
Using the reciprocating motion of the distance change relational implementation tonifying Qi slide valve 50, to control tonifying Qi slide valve 50, Jin Ershi
Now to the control of the tonifying Qi process of piston compressor.
Shown in referring to figs. 2 and 3, in the first embodiment of the utility model, off-centre operation is set by eccentric stiffener 10
11, the off-centre operation 11 and this body by integral forming are arranged, and stable structure is reliable.Preferably, the off-centre operation 11 in the present embodiment is inclined
The heart is away from for 2.5mm to 4.5mm.When design, the end face of the off-centre operation 11 in the present embodiment is rounded, and has certain radius
And thickness, material are consistent with ontology.
The center of circle of off-centre operation 11 in the present embodiment is not overlapped with the axis of the axis of long axis 20 and crank 30, guarantees to mend
Gas slide valve 50 move back and forth during, piston carried out in cylinder with the nonsynchronous reciprocating motion of tonifying Qi slide valve, convenient for
It is connected to the second tonifying Qi hole and the first tonifying Qi hole of tonifying Qi slide valve 50 on cylinder and carries out increasing enthalpy tonifying Qi.
Referring to fig. 4 and shown in Fig. 5, in the second embodiment of the utility model, cam 12 is set by eccentric stiffener 10,
The cam 12 and this body by integral forming are arranged.When design, the material of the cam 12 in the present embodiment is consistent with ontology, and structure is steady
Fixed, intensity is high.
Certainly, in the other embodiments of the utility model, sliding-block linkage etc. can also be arranged in eccentric stiffener 10
Structure, as long as other modes of texturing under the design of the utility model, both are within the protection scope of the present invention.
Compressor crank shaft in the present embodiment further includes balance weight 40, and when installation, balance weight 40 is mounted on eccentric stiffener
On 10, convenient for guaranteeing the stability during entire piston compressor Crankshaft motion, reduce entire piston compressor vibration and
Noise.
In a kind of preferred embodiment of the utility model, it is wholely set balance weight 40 with eccentric stiffener 10, but this
Kind set-up mode is not easy to process crankshaft, high production cost.Therefore, preferred real in the another kind of the utility model
It applies in example, so that balance weight 40 and 10 split settings of eccentric stiffener are provided with connecting hole on the balance weight 40 for the ease of assembling
41, when installation, balance weight 40 is fixed on crank 30 by connecting hole 41, in fixation procedure, can make connecting hole 41 and bent
Handle 30 is interference fitted, it is, of course, also possible to use the modes such as be bonded or be spirally connected to be fixed on eccentric stiffener 10, as long as in this reality
With other modes of texturing under novel design, it both is within the protection scope of the present invention.
The piston compressor crankshaft of the utility model is finally reached for tonifying Qi by the side molded line of off-centre operation 11 or cam 12
Slide valve 50 provides the effect of driving source, and then realizes the function of Gas-supplying enthalpy-increasing, achievees the effect that improving energy efficiency, and structure is simple,
It is reliable and stable.
It recombines shown in Fig. 1 to Fig. 5, for the ease of being lubricated to crankshaft, the long axis 20 of the crankshaft in the present embodiment
With oil groove 60 is provided on crank 30.Venthole 70 is provided on crank 30, convenient for ventilating to crankshaft.
As shown in Figure 7 and Figure 8, propulsion stroke of the propulsion stroke of the off-centre operation 11 in the utility model relative to cam 12
It is more gentle smooth, and the propulsion stroke of cam 12 is shorter relative to the reciprocal distance of the propulsion stroke of off-centre operation 11, also
It is to say, the reciprocal reliability of tonifying Qi slide valve 50 at this time is relatively high.When actual processing, cam 12 exists more relative to off-centre operation 11
Add complicated processing technology.With specific reference to the demand setting of piston compressor.
Another aspect according to the present utility model provides a kind of refrigeration system, which includes piston compressor,
The piston compressor is the piston compressor in above-described embodiment.
It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:
(1) the utility model devises crankshaft eccentric circle or crankshaft cam mechanism, is pushed away by its end face to tonifying Qi slide valve
Into effect, the Asynchrony process of tonifying Qi slide valve opposing pistons is realized, while movement of the crankshaft also for tonifying Qi slide valve provides
Driving source realizes and provides contact surface for tonifying Qi slide valve and promote stroke to provide the beneficial effect of driving source for tonifying Qi slide valve.
(2) the utility model has the crankshaft of off-centre operation, and structure processing technology is relatively easy, tonifying Qi slide valve reciprocating stroke
It tends towards stability.In addition, the structure of another embodiment is a kind of crankshaft of strap cam, this structure can shorten the reciprocal row of slide valve
Journey optimizes tonifying Qi sliding valve structure size and can promote the operational reliability of tonifying Qi slide valve.
(3) cancel the built-in balance of crankshaft eccentric circle (cam) upper surface in a kind of preferred embodiment of the utility model
Block, then external balance weight is applied, it can simplify the processing technology of crankshaft, reduce manufacturing cost, reach and reduce manufacturing cost
Beneficial effect.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (11)
1. a kind of piston compressor crankshaft, which is characterized in that the eccentric stiffener (10) including ontology with setting on the body,
The eccentric stiffener (10) is used to drive the tonifying Qi slide valve (50) of piston compressor.
2. piston compressor crankshaft according to claim 1, which is characterized in that the ontology includes long axis (20) and setting
Crank (30) on the long axis (20) top, the eccentric stiffener (10) are mounted on the long axis (20) and the crank (30)
At the position of connection.
3. piston compressor crankshaft according to claim 2, which is characterized in that the eccentric stiffener (10) includes off-centre operation
(11), the off-centre operation (11) is arranged with described body by integral forming.
4. piston compressor crankshaft according to claim 3, which is characterized in that the eccentricity of the off-centre operation (11) is
2.5mm to 4.5mm.
5. piston compressor crankshaft according to claim 3, which is characterized in that the center of circle of the off-centre operation (11) with it is described
The axis of long axis (20) and the axis of the crank (30) are not overlapped.
6. piston compressor crankshaft according to claim 2, which is characterized in that the eccentric stiffener (10) includes cam
(12), the cam (12) is arranged with described body by integral forming.
7. piston compressor crankshaft according to claim 2, which is characterized in that the compressor crank shaft further includes balance weight
(40), the balance weight (40) is mounted on the eccentric stiffener (10).
8. piston compressor crankshaft according to claim 7, which is characterized in that the balance weight (40) and the eccentric machine
Structure (10) is wholely set.
9. piston compressor crankshaft according to claim 7, which is characterized in that the balance weight (40) and the eccentric machine
Structure (10) split settings are provided with connecting hole (41) on the balance weight (40), and the balance weight (40) passes through the connecting hole
(41) it is fixed on the crank (30).
10. a kind of piston compressor, which is characterized in that the piston compressor includes crankshaft and tonifying Qi slide valve (50), the song
Axis piston compressor crankshaft as claimed in any one of claims 1 to 9, the eccentric stiffener (10) and the tonifying Qi slide valve
(50) it is drivingly connected.
11. a kind of refrigeration system, including piston compressor, which is characterized in that the piston compressor is institute in claim 10
The piston compressor stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821106737.1U CN208518845U (en) | 2018-07-11 | 2018-07-11 | Piston compressor crankshaft, piston compressor and refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821106737.1U CN208518845U (en) | 2018-07-11 | 2018-07-11 | Piston compressor crankshaft, piston compressor and refrigeration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208518845U true CN208518845U (en) | 2019-02-19 |
Family
ID=65334827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821106737.1U Withdrawn - After Issue CN208518845U (en) | 2018-07-11 | 2018-07-11 | Piston compressor crankshaft, piston compressor and refrigeration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208518845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644094A (en) * | 2018-07-11 | 2018-10-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Piston compressor bent axle, piston compressor and refrigeration system |
-
2018
- 2018-07-11 CN CN201821106737.1U patent/CN208518845U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644094A (en) * | 2018-07-11 | 2018-10-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Piston compressor bent axle, piston compressor and refrigeration system |
| CN108644094B (en) * | 2018-07-11 | 2023-10-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Piston compressor crankshaft, piston compressor and refrigerating system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204877938U (en) | Fluid machinery and indirect heating equipment | |
| CN204877939U (en) | Fluid machinery and indirect heating equipment | |
| CN204877940U (en) | Fluid machinery and indirect heating equipment | |
| CN205064265U (en) | Fluid machinery and indirect heating equipment | |
| WO2017024866A1 (en) | Compressor, heat exchanging apparatus, and operating method for compressor | |
| CN106704181B (en) | Fluid machine, heat exchange device and operation method of fluid machine | |
| CN106640645B (en) | Fluid machine, heat exchange device and operation method of fluid machine | |
| CN209704786U (en) | Compressor and refrigerating plant with it | |
| CN208518845U (en) | Piston compressor crankshaft, piston compressor and refrigeration system | |
| CN108644094A (en) | Piston compressor bent axle, piston compressor and refrigeration system | |
| CN204877942U (en) | Compressor and indirect heating equipment | |
| CN108799067A (en) | Piston compressor and refrigeration system | |
| CN202673625U (en) | Closed double-cylinder refrigerating compressor | |
| CN103016298B (en) | The inclined disc type reciprocating-piston oil-free air compressor that waves | |
| CN206770164U (en) | Crankshaft group and compressor for compressor | |
| CN111594408B (en) | Cam type reciprocating compressor mechanism | |
| CN205533217U (en) | Compressor pump body structure and compressor | |
| CN208416876U (en) | Piston compressor and refrigeration system | |
| CN203809232U (en) | Multi-cylinder bearing-gear-combined connecting rod type coplanar compressor | |
| CN203201742U (en) | Magnetic force type same-plane multi-cylinder and multistage combined compressor | |
| CN104153965A (en) | Connecting rod type coplanar compressor with multiple cylinders and cam combined with bearing | |
| CN208651156U (en) | Cylinder, compression mechanism and compressor | |
| CN106678017A (en) | Reciprocating compressor and refrigerator with same | |
| CN207145165U (en) | A kind of and oilless air compressor of petrol engine direct connection | |
| CN203362516U (en) | Rotary compression device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190219 Effective date of abandoning: 20231003 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190219 Effective date of abandoning: 20231003 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |