CN206158954U - Connecting rod structure and compressor - Google Patents
Connecting rod structure and compressor Download PDFInfo
- Publication number
- CN206158954U CN206158954U CN201621142821.XU CN201621142821U CN206158954U CN 206158954 U CN206158954 U CN 206158954U CN 201621142821 U CN201621142821 U CN 201621142821U CN 206158954 U CN206158954 U CN 206158954U
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- Prior art keywords
- connecting rod
- bar linkage
- head
- linkage structure
- utility
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model relates to a connecting rod structure and compressor relates to the compressor field, and main aim at improves the life of connecting rod structure, the reliability and the work efficiency of increase compressor. The main technical scheme who adopts does: the connecting rod structure, including the connecting rod and with the first head of the one end connection of connecting rod and the second head of being connected with the other end, wherein, a head is used for being connected with the articulate connecting portion, and another head is used for being connected with the connecting portion of piston, the connecting rod can produce in the vertical direction with connecting rod extending direction and warp. Wherein, work as the utility model discloses when the connecting rod structure received great lateral shock power, the bending deformation can take place along with the increase of stress for the connecting rod of connecting rod structure to can effectively avoid the connecting rod structure and the connecting portion of articulate connecting portion and piston to take place hard contact, and then reduce the utility model discloses the wearing and tearing and the frictional power consumption of connecting rod structure make the utility model discloses the life of connecting rod structure is longer.
Description
Technical field
The utility model is related to Compressor Technology field, more particularly to a kind of bar linkage structure and compressor.
Background technology
Connecting rod is one of main building block of piston compressor.At present, refrigerator on the market typically adopts piston
Compressor, the connecting rod of piston compressor has various different versions, as shown in figure 1, Patent No. CN203783850U
A kind of bar linkage structure of integral type is disclosed in patent；As shown in Fig. 2 disclosing in the patent of Patent No. CN201546930U
A kind of detachable bar linkage structure；As shown in figure 3, disclosing a kind of by changing in the patent of Patent No. CN100572812C
Structure changes reduce the bar linkage structure of stress.However, above-mentioned several bar linkage structures are rigid link from material forms.As schemed
Shown in 4 and Fig. 5, in the course of the work, simultaneously drivening rod 1 swings piston compressor for crank rotation, and then makes piston 2 in cylinder 3
Inside do linear reciprocating motion.Wherein, the power that can be applied to it by gas when connecting rod 1 swings and the F1 that makes a concerted effort of inertia force, F1 can
With the axial force F 2 and side force F3 that are decomposed on the axial direction of connecting rod 1.Side force F3 can aggravate the mill of rigid link 1 and crank
Damage, the linear motion for making piston 2 is affected, the reliability of compressor and operating efficiency are reduced, the service life of rigid link 1
Also reduce.In addition, if improving the quality of the linear motion of piston 2 by the reduction material in structure, structure can be introduced again strong
Degree skewness affects the problem of the total quality reliability of connecting rod 1.
Utility model content
In view of this, a purpose of the present utility model is to provide a kind of service life longer bar linkage structure.
Another object of the present utility model is to provide a kind of compressor using above-mentioned bar linkage structure.
To reach above-mentioned purpose, the utility model mainly provides following technical scheme：
On the one hand, embodiment of the present utility model provides a kind of bar linkage structure, including connecting rod and with the connecting rod
One end connection the first head and the second head for be connected with the other end, wherein, a head is for the connecting portion with crank
Connection, another head is used to be connected with the connecting portion of piston, and the connecting rod can be in the Vertical Square with connecting rod bearing of trend
To being deformed.
The purpose of this utility model and solve its technical problem and can also be applied to the following technical measures to achieve further.
In aforesaid bar linkage structure, optionally, the connecting rod is flexible jointing-rod or flexible connecting rod.
In aforesaid bar linkage structure, optionally, along the bearing of trend of connecting rod and the bearing of trend is perpendicular
Cross section in, connecting rod is that two ends are big, middle little structure.
In aforesaid bar linkage structure, optionally, the connecting rod is in the form of a column, and the external diameter of the pars intermedia of connecting rod is less than
The external diameter of two ends.
In aforesaid bar linkage structure, optionally, the junction of the pars intermedia and at least one end adopts circular arc mistake
Cross.
In aforesaid bar linkage structure, optionally, the connecting rod is made up of spring steel material.
In aforesaid bar linkage structure, optionally, there is groove on the periphery wall of at least one end of the connecting rod
Structure, has connecting hole on the head corresponding with the end that this has groove structure, the end that should have groove structure is embedded
In the connecting hole of corresponding heads, to be fixedly connected with corresponding head.
In aforesaid bar linkage structure, optionally, the end of the connecting rod is with corresponding head by way of die casting
It is fixedly connected.
In aforesaid bar linkage structure, optionally, the groove structure partial denudation is in the outside of the connecting rod and naked
The part of dew is located between the pars intermedia of the connecting rod and corresponding head.
In aforesaid bar linkage structure, optionally, the groove structure includes the helicla flute of helicitic texture, the helicla flute
The a part of exposed outside in the connecting rod；
Or, the groove structure include it is multiple along pitman shaft spaced cannelure successively upwards, wherein, Duo Gesuo
State a part of exposed outside in the connecting rod of cannelure；
Or, the groove structure includes elliptical slot, the axial direction of the long axis direction of the elliptical slot and the connecting rod
Direction is consistent, a part of exposed outside in the connecting rod of the elliptical slot.
On the other hand, embodiment of the present utility model also provides a kind of compressor, including the connecting rod described in any of the above-described kind
Structure.
By above-mentioned technical proposal, the utility model bar linkage structure and compressor at least have the advantages that：
The utility model provide technical scheme in because the connecting rod of bar linkage structure can with connecting rod bearing of trend
Vertical direction be deformed, when the utility model bar linkage structure be subject to larger side impacting force when, the connection of bar linkage structure
Bar can occur bending and deformation with the increase of stress, such that it is able to be prevented effectively from the connecting portion and piston of bar linkage structure and crank
Connecting portion there is hard contact, and then reduce abrasion and the friction power loss of the utility model bar linkage structure so that this practicality
The service life of novel link structure is longer.
The utility model provide compressor due to the reason using above-mentioned bar linkage structure so that the reliability of compressor and
Operating efficiency is higher.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Description of the drawings
Fig. 1 is a kind of structural representation of bar linkage structure of the prior art；
Fig. 2 is the structural representation of another kind of bar linkage structure of the prior art；
Fig. 3 is the structural representation of another kind of bar linkage structure of the prior art；
Fig. 4 is stress diagram of the compressor in air-breathing on connecting rod；
Fig. 5 is stress diagram of the compressor in exhaust on connecting rod；
Fig. 6 is a kind of decomposition texture schematic diagram of attachment structure that an embodiment of the present utility model is provided；
Fig. 7 is a kind of assembly structure diagram of attachment structure that an embodiment of the present utility model is provided；
Fig. 8 is a kind of structural representation of the connecting rod of attachment structure that an embodiment of the present utility model is provided；
Fig. 9 is the structural representation of the connecting rod of another kind of attachment structure that an embodiment of the present utility model is provided.
Specific embodiment
Further to illustrate that the utility model is to reach technological means and effect that predetermined utility model purpose is taken,
Below in conjunction with accompanying drawing and preferred embodiment, to the specific embodiment according to the utility model application, structure, feature and its work(
Effect, describes in detail as after.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same enforcement
Example.Additionally, the special characteristic, structure or feature in one or more embodiments can be combined by any suitable form.
As shown in Figure 6 and Figure 7, a kind of bar linkage structure 10 that one embodiment of the present utility model is proposed, including connecting rod
1 and connecting rod 1 one end connection a head 2 and another head 2 for being connected with the other end.Wherein, a head 2
It is connected for the connecting portion with crank, another head 2 is used to be connected with the connecting portion of piston.Connecting rod 1 can with connecting rod 1
The vertical direction of bearing of trend is deformed.
In the technical scheme of above-mentioned offer, when the utility model bar linkage structure 10 is subject to larger side impacting force,
Connecting rod 1 can absorb the impulsive force of load, and reduce the impact of side force by deformation, such that it is able to be prevented effectively from connecting rod
Structure 10 occurs to contact firmly with the connecting portion of crank and the connecting portion of piston, and then reduces the utility model bar linkage structure 10
Abrasion and friction power loss so that the service life of the utility model bar linkage structure 10 is longer.
In specifically applying example at one, aforesaid connecting rod 1 can be flexible jointing-rod or flexible connecting rod etc..Its
In, flexible English is Flexible, also may be interpreted as flexibility, is a kind of object properties for relative stiffness.Flexibility refers to thing
Deform after body stress, object itself can not recover a kind of physical property of original form after active force loses.And rigid objects
After stress, its shape can be considered and do not change from the point of view of macroscopic view.Elasticity refers to and deform after object receiving force that active force loses it
Afterwards object itself can recover a kind of physical property of original form.
Wherein, it is preferred that aforesaid connecting rod 1 is flexible connecting rod, so that connecting rod 1 can be returned to after external force disappearance
Shape originally, so as to not affect normally using for the next time of connecting rod 1.
Further, as shown in Figures 6 to 9, on the bearing of trend along connecting rod 1 and the perpendicular horizontal stroke of bearing of trend
In section, connecting rod 1 can be the structure that two ends are big, centre is little, and the quality for being primarily due to the rotary part of compressor is bigger,
The rotation inertia force that rotary part is produced is also bigger, and larger inertia force can increase vibration and the energy loss of compressor,
Stationarity and reliability of compressor operating etc. can be caused to be deteriorated.In this example, because the thin two in the centre of connecting rod 1 is thick,
So can to a great extent mitigate the weight of the utility model bar linkage structure 10, operationally this practicality is new for such compressor
Inertia force produced by type bar linkage structure 10 itself will greatly reduce, so as to improve the stationarity and reliability of compressor operation
Property.
Preferably, as shown in Figures 6 to 9, aforesaid connecting rod 1 can be in the form of a column, and the pars intermedia 12 of connecting rod 1 is outer
External diameter of the footpath less than two ends.
Further, as shown in Figures 6 to 9, the pars intermedia 12 of aforementioned connecting rod 1 is adopted with the junction of at least one end
With arc transition, to improve the bonding strength of pars intermedia 12 and respective end.
Need exist for illustrate be：Aforesaid connecting rod 1 can be made up of spring steel material, such as can be by spring steel
65Mn materials are made, so that connecting rod 1 can be deformed with the vertical direction of the bearing of trend of connecting rod 1.Wherein, load is worked as
Connecting rod 1 will not occur brittle fracture when larger, but be deformed, to reduce load impacting power.Again energy when load decreases
Recover original shape.
In order to ensure that operationally the utility model bar linkage structure 10 can be passed normally compressor between crank and piston
Graduating power, connecting rod 1 should also have certain rigidity, to ensure the intensity of connecting rod 1.
As shown in Figure 6 and Figure 7, there can be groove structure 11 on the periphery wall of an end of above-mentioned connecting rod 1, in order to
Convenient description, by the end that this has groove structure 11 first end is taken as, and is had on the head 2 corresponding with first end and is connected
Hole (not indicating in figure) is connect, first end is embedded in the connecting hole of corresponding heads 2, so that first end and corresponding head 2
It is fixedly connected.Preferably, in this example, first end is connected with corresponding head 2 by way of die casting, to realize first
End is embedded the technique effect in the connecting hole of corresponding heads 2.Specifically when implementing, first end is put into into corresponding grinding tool
It is interior, the molten metal to form head 2 is poured into into grinding tool, molten metal is flowed in the groove structure 11 of first end, and in grinding tool
Formed corresponding heads 2 structure, molten metal cooling after, first end is fixedly connected with corresponding head 2, and first end with
Inside the mutually embedded other side of head 2.In this example, by the groove structure 11 arranged on the periphery wall of first end, can
To increase the contact area of both first end and head 2, the bonding strength of die casting is improved, make both connections more firm.
Further, as shown in Figure 6 and Figure 7, also have on the periphery wall of another end of aforementioned connecting rod 1 aforesaid
Groove structure 11, describes for convenience, and another end of connecting rod 1 is taken as into the second end.The second end with it is corresponding
Head 2 is also adopted by above-mentioned first end and is attached with the mode of corresponding heads 2, specifically may refer to above first end with
The associated description of the connection of corresponding heads 2, will not be described here.In this example, due to connecting rod 1 two ends periphery wall
On be respectively provided with aforesaid groove structure 11, and be attached by way of being embedded with corresponding head 2, make connecting rod 1 with
The connection of two heads 2 is more consolidated.
Further, as shown in fig. 7, the partial denudation of aforesaid groove structure 11 is in the outside of connecting rod 1, and exposed portion
Point between the pars intermedia 12 and corresponding head 2 of connecting rod 1, the axle of the exposed part of groove structure 11 in connecting rod 1
Upwards can cushion load impact, play a part of damping, buffering, such that it is able to reduce the work of the utility model bar linkage structure 10
Make noise.
Aforesaid groove structure 11 can have various different versions, such as groove structure 11 can include screw thread
The helicla flute of structure, cannelure or elliptical slot etc..For example, as shown in Figure 6 and Figure 7, groove structure 11 includes helicitic texture
Helicla flute, a part of exposed outside in connecting rod 1 of spiral fluted.Or as shown in figure 8, groove structure 11 includes multiple edges even
Spaced cannelure successively on the axial direction of extension bar 1, wherein, a part of exposed outside in connecting rod 1 of multiple cannelures, i.e.,
The exposed outside in connecting rod 1 of more than one cannelure.Or as shown in figure 9, groove structure 11 includes elliptical slot, ellipse
The long axis direction of shape groove is consistent with the axial direction of connecting rod 1, a part of exposed outside in connecting rod 1 of elliptical slot.Such as
Shown in Fig. 9, the quantity of elliptical slot can be multiple, and the periphery wall in end is rounded is uniformly distributed, further to increase
End and the die casting bonding strength of head 2, alleviate the load impacting of the axial direction of connecting rod 1.
Embodiment of the present utility model also provides a kind of compressor, and it includes the bar linkage structure 10 described in any of the above-described kind.
The utility model compressor adopts the reason of above-mentioned bar linkage structure 10 so that the reliability and operating efficiency of compressor is higher.
Need exist for illustrate be：In the case where not conflicting, those skilled in the art can incite somebody to action according to actual conditions
Related technical characteristic is mutually combined in above-mentioned each example, to reach corresponding technique effect, particularly for various combined situations
Here is not repeated one by one.
The above, is only preferred embodiment of the present utility model, not makees any formal to the utility model
Restriction, above example is made any simple modification, equivalent variations and modification according to technical spirit of the present utility model,
Still fall within the range of technical solutions of the utility model.
Claims (11)
1. a kind of bar linkage structure, it is characterised in that including connecting rod and a head being connected with one end of the connecting rod
And another head being connected with the other end, wherein, one head be used for be connected with the connecting portion of crank, it is described another
Head is used to be connected with the connecting portion of piston, and the connecting rod can be deformed with the vertical direction of connecting rod bearing of trend.
2. bar linkage structure as claimed in claim 1, it is characterised in that
The connecting rod is flexible jointing-rod or flexible connecting rod.
3. bar linkage structure as claimed in claim 1 or 2, it is characterised in that
Along the bearing of trend of connecting rod and in the perpendicular cross section of the bearing of trend, connecting rod is that two ends are big, middle
Little structure.
4. bar linkage structure as claimed in claim 3, it is characterised in that
The connecting rod is in the form of a column, and the external diameter of the pars intermedia of connecting rod is less than the external diameter of two ends.
5. bar linkage structure as claimed in claim 4, it is characterised in that
The junction of the pars intermedia and at least one end adopts arc transition.
6. the bar linkage structure as described in claim 1,2,4 or 5, it is characterised in that
The connecting rod is made up of spring steel material.
7. the bar linkage structure as described in claim 1,2,4 or 5, it is characterised in that
There is groove structure on the periphery wall of at least one end of the connecting rod, it is relative with the end that this has groove structure
On the head answered have connecting hole, should have groove structure end be embedded in the connecting hole of corresponding heads, with it is corresponding
Head is fixedly connected.
8. bar linkage structure as claimed in claim 7, it is characterised in that
The end of the connecting rod is fixedly connected with corresponding head by way of die casting.
9. bar linkage structure as claimed in claim 7, it is characterised in that
The groove structure partial denudation is in the outside of the connecting rod, and exposed part is located at the pars intermedia of the connecting rod
Between corresponding head.
10. bar linkage structure as claimed in claim 9, it is characterised in that
The groove structure includes the helicla flute of helicitic texture, and the spiral fluted is a part of exposed in the outer of the connecting rod
Portion；
Or, the groove structure include it is multiple along pitman shaft spaced cannelure successively upwards, wherein, multiple rings
The a part of exposed outside in the connecting rod of shape groove；
Or, the groove structure includes elliptical slot, the axial direction of the long axis direction of the elliptical slot and the connecting rod
Unanimously, a part of exposed outside in the connecting rod of the elliptical slot.
11. a kind of compressors, it is characterised in that including the bar linkage structure any one of claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621142821.XU CN206158954U (en) | 2016-10-20 | 2016-10-20 | Connecting rod structure and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621142821.XU CN206158954U (en) | 2016-10-20 | 2016-10-20 | Connecting rod structure and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206158954U true CN206158954U (en) | 2017-05-10 |
Family
ID=58654658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621142821.XU Expired - Fee Related CN206158954U (en) | 2016-10-20 | 2016-10-20 | Connecting rod structure and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206158954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640598A (en) * | 2016-10-20 | 2017-05-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Connecting rod structure and compressor |
-
2016
- 2016-10-20 CN CN201621142821.XU patent/CN206158954U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640598A (en) * | 2016-10-20 | 2017-05-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Connecting rod structure and compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20211020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |