CN108343667A - Connecting rod and reciprocating compressor with it - Google Patents
Connecting rod and reciprocating compressor with it Download PDFInfo
- Publication number
- CN108343667A CN108343667A CN201810332888.7A CN201810332888A CN108343667A CN 108343667 A CN108343667 A CN 108343667A CN 201810332888 A CN201810332888 A CN 201810332888A CN 108343667 A CN108343667 A CN 108343667A
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- Prior art keywords
- connecting rod
- jack
- shaft
- head
- jacks
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- 230000013011 mating Effects 0.000 claims description 63
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C7/00—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
- F16C7/06—Adjustable connecting-rods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C7/00—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/50—Positive connections
- F16C2226/62—Positive connections with pins, bolts or dowels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/42—Pumps with cylinders or pistons
Abstract
The invention discloses a kind of connecting rod and with its reciprocating compressor, connecting rod includes first connecting rod, second connecting rod and at least one connector, and first connecting rod shaft is equipped with the first jack, and second connecting rod shaft is equipped with the second jack；Connector passes through the first jack and the second jack first connecting rod to be connected with second connecting rod.When the first jack is one and the second jack is multiple, any one and the first jack that connector is adapted to pass through in multiple second jacks are to realize that connecting rod centre-to-centre spacing is adjustable；When the first jack is multiple and the second jack is one, any one and the second jack that connector is adapted to pass through in multiple first jacks are to realize that connecting rod centre-to-centre spacing is adjustable；When the first jack is multiple and the second jack is multiple, connector is adapted to pass through at least one of multiple second jacks and multiple first jacks are at least one to realize that connecting rod centre-to-centre spacing is adjustable.Connecting rod according to the present invention has good versatility.
Description
Technical field
The present invention relates to Compressor Technology fields, more particularly, to a kind of connecting rod and with its reciprocating compressor.
Background technology
Full-sealed reciprocating compressor drives crank rotation by motor and drives piston in cylinder by connecting rod by bent axle
Interior acting, make to be formed in cylinder air-breathing, compression, exhaust, expansion thermodynamic cycle.
In the related technology, the discharge capacity of reciprocating compressor is different, and crankshaft diameter and eccentricity are all different, the center of connecting rod
Away from also differing so that connecting rod can not be adapted with the reciprocating compressor of different displacements, and in order to meet reciprocating compressor
Different displacements, it is general to adjust the parameters such as piston pitch and its length, lead to the significant wastage of piston material；Moreover, connecting rod is made
To connect the important component of piston and bent axle, when the diameter of crankshaft diameter and piston pin changes, it is required to replace different
Connecting rod, to reduce the processing efficiency of connecting rod.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of company
Bar, the connecting rod have good versatility, meet the needs of different reciprocating compressor discharge capacities are different, while being adapted to song
The variation of the axis diameter of axle and piston pin diameter.
The present invention also proposes a kind of reciprocating compressor with above-mentioned connecting rod.
The connecting rod of embodiment according to a first aspect of the present invention, including：First connecting rod, the first connecting rod include first connecting rod
Head and the first connecting rod shaft being connected on the periphery wall on the first connecting rod head, the first connecting rod shaft are equipped with the
One jack；Second connecting rod, the second connecting rod include second connecting rod head and are connected to the periphery wall on the second connecting rod head
On second connecting rod shaft, the second connecting rod shaft be equipped with the second jack；At least one connector, the connector pass through
First jack with second jack the first connecting rod to be connected with the second connecting rod, when first jack is
When one and second jack are multiple, multiple second jacks are set successively along the length direction of the second connecting rod shaft
It sets, the connector is adapted to pass through any one and first jack in multiple second jacks to realize described first
The distance between the center on the center of link rod head and the second connecting rod head is adjustable；When first jack is multiple and institute
State the second jack be one when, multiple first jacks are set gradually along the length direction of the first connecting rod shaft, described
Any one and second jack that connector is adapted to pass through in multiple first jacks are to realize the first connecting rod head
The distance between the center on the center in portion and the second connecting rod head is adjustable；When first jack is multiple and described second
When jack is multiple, multiple first jacks are set gradually along the length direction of the first connecting rod shaft, and multiple described the
Two jacks are set gradually along the length direction of the second connecting rod shaft, and the connector is adapted to pass through multiple second jacks
At least one of and multiple first jacks it is at least one to realize the center and described second on the first connecting rod head
The distance between center of link rod head is adjustable.
Connecting rod according to the ... of the embodiment of the present invention, by the way that the first jack, second connecting rod shaft are arranged on first connecting rod shaft
The second jack of upper setting, and connector is made to be adapted to pass through at least one first jack and at least one second jack to realize first
The distance between the center of link rod head and the center on second connecting rod head are adjustable, that is, realize that the centre-to-centre spacing of connecting rod is adjustable so that
Connecting rod can better adapt to the different demand of different reciprocating compressor discharge capacities；It simultaneously can between first connecting rod and second connecting rod
Dismounting so that connecting rod can better adapt to the variation of crankshaft diameter and piston pin diameter, to improve the versatility of connecting rod
And applicability.
According to some embodiments of the present invention, one of in the first connecting rod shaft and the second connecting rod shaft
It is equipped with fitting projection and is formed with the mating groove coordinated with the fitting projection on another, wherein the first jack shape
At on the fitting projection, second jack is formed on the wall surface of the mating groove.
According to some embodiments of the present invention, the fitting projection is located at the first connecting rod shaft and the second connecting rod
Extend on the end face of the free end of one of them in shaft and towards the direction of the second connecting rod head center, it is described
One of mating groove end face of another free end described in the first connecting rod shaft and the second connecting rod shaft
Divide the recessed formation in direction towards the second connecting rod head.
According to some embodiments of the present invention, central axis of the mating groove along the second connecting rod head runs through described
Two sides of second connecting rod shaft.
According to some embodiments of the present invention, the length of the fitting projection is less than the depth of the mating groove.
According to some embodiments of the present invention, the outer profile of the cross section of the fitting projection includes at least one straight line
Section, the shape of the mating groove are adapted with the shape of the fitting projection.
According to some embodiments of the present invention, the cross-sectional shape of the fitting projection and the mating groove is rectangular.
According to some embodiments of the present invention, first jack is two, and second jack is two, two institutes
The distance between first jack is stated equal to the distance between two described second jacks.
According to some embodiments of the present invention, the first connecting rod head is integrally formed with the first connecting rod shaft, institute
Second connecting rod head is stated to be integrally formed with the second connecting rod shaft.
According to some embodiments of the present invention, the outer diameter on the first connecting rod head is less than the outer of the second connecting rod head
Diameter.
According to some embodiments of the present invention, the connector is axis pin, pin or rivet.
The reciprocating compressor of embodiment according to a second aspect of the present invention, including implemented according to the above-mentioned first aspect of the present invention
The connecting rod of example.
Reciprocating compressor according to the ... of the embodiment of the present invention, by using above-mentioned connecting rod, connecting rod can be well adapted for
The different displacements of different reciprocating compressors require, adapt to the variation of crankshaft diameter and piston pin diameter, reduce reciprocating pressure
The cost of contracting machine.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the explosive view of connecting rod according to the ... of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of connecting rod shown in Fig. 1, and wherein the centre-to-centre spacing of connecting rod is the first length；
Fig. 3 is another structural schematic diagram of connecting rod shown in Fig. 1, and wherein the centre-to-centre spacing of connecting rod is the second length；
Fig. 4 is the explosive view of connecting rod in accordance with another embodiment of the present invention；
Fig. 5 is the structural schematic diagram of connecting rod shown in Fig. 4, and wherein the centre-to-centre spacing of connecting rod is third length；
Fig. 6 is another structural schematic diagram of connecting rod shown in Fig. 4, and wherein the centre-to-centre spacing of connecting rod is the 4th length.
Reference numeral：
Connecting rod 100,
First connecting rod 1, first connecting rod head 11, first connecting rod shaft 12, the first jack 12a, fitting projection 12b,
Second connecting rod 2, second connecting rod head 21, second connecting rod shaft 22, the second jack 22a, mating groove 22b,
Connector 3.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " transverse direction ", " length ", " width ", " thickness ",
"upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " axial direction ", " diameter
To ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of retouching
It states the present invention and simplifies description, do not indicate or imply the indicated device or element must have a particular orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, defining the feature of " first ", " second "
It can explicitly or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, " more
It is a " it is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The connecting rod 100 of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1-Fig. 6, connecting rod 100 can be used for vapour
Engine or compressor in vehicle etc..In the description below the application, by connecting rod 100 for being carried out for reciprocating compressor
Explanation.
As shown in figs 1 to 6, connecting rod 100 according to the ... of the embodiment of the present invention, including first connecting rod 1, second connecting rod 2 and at least
One connector 3.
First connecting rod 1 includes first connecting rod head 11 and the first connecting rod being connected on the periphery wall on first connecting rod head 11
Shaft 12, first connecting rod shaft 12 are equipped with the first jack 12a, and second connecting rod 2 includes second connecting rod head 21 and is connected to the
Second connecting rod shaft 22 on the periphery wall of two link rod heads 21, second connecting rod shaft 22 are equipped with the second jack 22a, connector
3 pass through the first jack 12a and the second jack 22a first connecting rod 1 to be connected with second connecting rod 2.
When the first jack 12a is one and the second jack 22a is multiple, multiple second jack 22a are along second connecting rod bar
The length direction of body 22 is set gradually, and connector 3 is adapted to pass through any one and the first jack in multiple second jack 22a
12a is adjustable to realize the distance between the center on first connecting rod head 11 and the center on second connecting rod head 21；When the first jack
When 12a is multiple and the second jack 22a is one, multiple first jack 12a along first connecting rod shaft 12 length direction successively
Setting, connector 3 are adapted to pass through any one and the second jack 22a in multiple first jack 12a to realize first connecting rod head
The distance between the center in portion 11 and the center on second connecting rod head 21 are adjustable；When the first jack 12a is multiple and the second jack
When 22a is multiple, multiple first jack 12a are set gradually along the length direction of first connecting rod shaft 12, multiple second jack 22a
Length direction along second connecting rod shaft 22 is set gradually, and connector 3 is adapted to pass through at least one of multiple second jack 22a
And multiple first jack 12a are at least one to realize between the center on first connecting rod head 11 and the center on second connecting rod head 21
Distance it is adjustable.
For example, as shown in figs 1 to 6, first connecting rod head 11 and second connecting rod head 21 can substantially form tubular knot
Structure, the central axis on first connecting rod head 11 can be with the centerline axis parallels on second connecting rod head 21, and first connecting rod head 11
Central axis can be vertical with the length direction of connecting rod；It the end face of one end of first connecting rod shaft 12 can be with first connecting rod head
The periphery wall in portion 11 is adapted, so that connect with the periphery wall on first connecting rod head 11 can for above-mentioned one end of first connecting rod shaft 12
It leans on, the end face of one end of second connecting rod shaft 22 can be adapted with the periphery wall on second connecting rod head 21, so that second connecting rod
Above-mentioned one end of shaft 22 is connect reliably with the periphery wall on second connecting rod head 21.
First jack 12a can run through the both side surface relative to each other of first connecting rod shaft 12, and the second jack 22a can be with
Through the both side surface relative to each other of second connecting rod shaft 22；When first connecting rod 1 is connected with second connecting rod 2, the first jack
12a can corresponding second jack 22a be oppositely arranged and connector 3 be threaded through in the first jack 12a and the second jack 22a.
When the first jack 12a is one and the second jack 22a is multiple, multiple second jack 22a can connect along second
The length direction of club body 22 is spaced setting successively, and the first jack 12a can be with phase one of in multiple second jack 22a
It is threaded through in the first jack 12a and the second jack 22a corresponding thereto to setting and by connector 3, to complete first connecting rod 1
With the connection of second connecting rod 2, the centre-to-centre spacing of connecting rod 100 is L at this time1；First jack 12a can also be with multiple second jack 22a
In another be oppositely arranged and connector 3 be threaded through in the first jack 12a and the second jack 22a corresponding thereto, with
The connection of first connecting rod 1 and second connecting rod 2 is completed, the centre-to-centre spacing of connecting rod 100 is L at this time2, and L2≠L1；That is, second
Jack 22a is multiple, and connector 3 passes through any one in the first jack 12a and multiple second jack 22a with by first connecting rod
1 is connected with second connecting rod 2, and connector 3, which is threaded through in the second different jack 22a, makes connecting rod 100 have different centre-to-centre spacing,
That is the second jack 22a is M (M >=2, and N is positive integer) a, center that connecting rod 100 can be to each other not mutually equal with M
Away from.
When the first jack 12a is multiple and the second jack 22a is one, multiple first jack 12a can connect along first
The length direction of club body 12 is spaced setting successively, and the second jack 22a can be with phase one of in multiple first jack 12a
It is threaded through in the second jack 22a and the first jack 12a corresponding thereto to setting and by connector 3, to complete first connecting rod 1
With the connection of second connecting rod 2, the centre-to-centre spacing of connecting rod 100 is L at this time1’；Second jack 22a can also be with multiple first jack 12a
In another be oppositely arranged and connector 3 be threaded through in the second jack 22a and the first jack 12a corresponding thereto, with
The connection of first connecting rod 1 and second connecting rod 2 is completed, the centre-to-centre spacing of connecting rod 100 is L at this time2', and L2’≠L1’；That is, the
One jack 12a is multiple, and connector 3 passes through any one in the second jack 22a and multiple first jack 12a to connect first
Bar 1 is connected with second connecting rod 2, and connector 3 is threaded through in the first different jack 12a so that connecting rod 100 has different centers
Away from, i.e. the first jack 12a it is that N (N >=2, and N is positive integer) is a, connecting rod 100 can have N number of to be not mutually equal to each other
The heart away from.
When the first jack 12a is multiple and the second jack 22a is multiple, multiple first jack 12a can connect along first
The length direction of club body 12 is spaced setting successively, and multiple second jack 22a can be along the length direction of second connecting rod shaft 22
Interval setting successively, at least one first jack 12a and at least one second jack 22a are oppositely arranged and correspond to connector 3
It is threaded through in the first jack 12a and the second jack 22a corresponding thereto, to complete the connection of first connecting rod 1 and second connecting rod 2.
For example, the first jack 12a be P (P >=2, and P be positive integer) a, second jack 22a be Q (Q >=2, and Q be it is just whole
Number) it is a, and at least one of at least one of P >=Q, P first jack 12a and Q second jack 22a be oppositely arranged,
And pass through the connection that connector 3 completes first connecting rod 1 and second connecting rod 2 so that connecting rod 100 there can not be not P to each other mutually not
Equal centre-to-centre spacing.
In another example the first jack 12a be P ' (P ' >=2, and P ' is positive integer) a, second jack 22a be Q ' (Q ' >=2, and
Q ' is positive integer) it is a, and at least one at least one of a first jack 12a of P ' ＜ Q ', P ' and a second jack 22a of Q '
A connection being oppositely arranged and first connecting rod 1 and second connecting rod 2 are completed by connector 3 so that connecting rod 100 can have Q '
A centre-to-centre spacing being not mutually equal to each other.
And when connecting rod 100 is applied to reciprocating compressor, first connecting rod head 11 can be with the work of reciprocating compressor
Plug pin is connected so that first connecting rod head 11 can drive the piston of reciprocating compressor back and forth to be transported in cylinder by piston pin
Dynamic, second connecting rod head 21 can be connected with bent axle, and when crank rotation can drive the rotation of second connecting rod head 21, pass through connecting rod
100 can be by the reciprocating motion for being transformed into first connecting rod head 11 on second connecting rod head 21.The electricity of reciprocating compressor
Machine band dynamic crankshaft constantly rotates, and bent axle rotates a circle, piston in cylinder it is reciprocal successively, reciprocating compressor completes one action
Cycle, a working cycles may include air-breathing, compression, exhaust, expansion Four processes.Wherein, cylinder can be single-acting gas
Cylinder or double-acting cylinder etc..
Since connecting rod 100 there can be multiple centre-to-centre spacing being not mutually equal to each other, can better adapt to different reciprocal
The different demand of formula compressor displacement improves the versatility and applicability of connecting rod 100；And connecting rod 100 is changing its center
Away from during, can will be separated between first connecting rod 1 and second connecting rod 2, that is to say, that first connecting rod 1 and second connecting rod 2 it
Between be detachably connected by connector 3, and first connecting rod head 11 is connected with piston pin, second connecting rod head 21 and bent axle phase
Even so that first connecting rod head 11 is adapted with piston pin, second connecting rod head 21 is adapted with bent axle, when piston pin diameter is sent out
When changing, first connecting rod 1 can be individually replaced so that replace after first connecting rod head 11 be adapted with piston pin, when
When crankshaft diameter changes, second connecting rod 2 can be individually replaced so that the second connecting rod head 21 after replacing mutually is fitted with bent axle
Match, so that connecting rod 100 can better adapt to the variation of crankshaft diameter and piston pin diameter, the further company of improving
The versatility and applicability of bar 100, improve the processing efficiency of connecting rod 100.
Here, it should be noted that " centre-to-centre spacing of connecting rod 100 " refers to the central axis and second on first connecting rod head 11
The distance between the central axis of link rod head 21, for example, as shown in Figure 2 and Figure 5, the centre-to-centre spacing of connecting rod 100 is L.
Connecting rod 100 according to the ... of the embodiment of the present invention, by the way that the first jack 12a, second are arranged on first connecting rod shaft 12
Second jack 22a is set on connecting rod shank 22, and connector 3 is made to be adapted to pass through at least one first jack 12a and at least one
Second jack 22a is adjustable to realize the distance between the center on first connecting rod head 11 and the center on second connecting rod head 21, i.e.,
Realize that the centre-to-centre spacing of connecting rod 100 is adjustable so that connecting rod 100 can better adapt to the different need of different reciprocating compressor discharge capacities
It asks；It is detachable between first connecting rod 1 and second connecting rod 2 simultaneously so that connecting rod 100 can better adapt to crankshaft diameter and piston
The variation for selling diameter, to improve the versatility and applicability of connecting rod 100.
In some specific embodiments of the present invention, as shown in figs 1 to 6, first connecting rod shaft 12 and second connecting rod shaft
It is equipped with fitting projection 12b one of in 22 and is formed with the mating groove 22b with fitting projection 12b cooperations on another,
Wherein the first jack 12a is formed on fitting projection 12b, and the first jack 12a can be through the relative to each other of fitting projection 12b
Both side surface, the second jack 22a is formed on the wall surface of mating groove 22b, and the second jack 22a can run through mating groove 22b
Both side surface relative to each other.Phase interworking is set by being arranged on first connecting rod shaft 12 and second connecting rod shaft 22 as a result,
The fitting projection 12b and mating groove 22b of conjunction so that fitting projection 12b cooperations are rear in mating groove 22b, are easy to implement the first company
Between bar 1 and second connecting rod 2 in certain directions (for example, the front-rear direction in Fig. 1-Fig. 3 and upper and lower directions, in Fig. 4-Fig. 6
Front-rear direction) on positioning improve first consequently facilitating corresponding first jack 12a and the second jack 22a are oppositely arranged
The packaging efficiency of connecting rod 1 and second connecting rod 2.
It is understood that can be clearance fit, transition cooperation or interference between fitting projection 12b and mating groove 22b
Cooperation etc..
Optionally, fitting projection 12b one of be located in first connecting rod shaft 12 and second connecting rod shaft 22 from
By extending on the end face held and towards the direction at 21 center of second connecting rod head, mating groove 22b is by first connecting rod shaft 12 and the
The recessed formation in direction on a part towards the second connecting rod head 21 of the end face of another the free end in two connecting rod shanks 22,
It is easy to process to simplify the structure of fitting projection 12b and mating groove 22b.
For example, in the example of Fig. 1-Fig. 6, fitting projection 12b can be located at the other end (example of first connecting rod shaft 12
Such as, the right end in Fig. 1-Fig. 6), and fitting projection 12b can be by the portion end surface court of the above-mentioned other end of first connecting rod shaft 12
It protrudes to be formed to the direction close to 21 center of second connecting rod head, mating groove 22b can be formed in the another of second connecting rod shaft 22
One end (for example, left end in Fig. 1-Fig. 6), and mating groove 22b can be by the part of the above-mentioned other end of second connecting rod shaft 22
End face is towards the direction recessed formation close to 21 center of second connecting rod head, to which fitting projection 12b can be along from left to right
Direction coordinates in mating groove 22b, facilitates the assembly of first connecting rod 1 and second connecting rod 2.
Certainly, fitting projection 12b can also be located on second connecting rod shaft 22, mating groove 22b can be formed in a connecting rod
It on shaft, can coordinate in mating groove 22b to fitting projection 12b, equally facilitate first connecting rod 1 and second connecting rod 2
Assembly.
Optionally, mating groove 22b runs through two sides of second connecting rod shaft 22 along the central axis on second connecting rod head 21
Face.For example, in the example of Fig. 3-Fig. 6, the central axis on second connecting rod head 21 can extend vertically along the vertical direction, cooperation
Slot 22b runs through upper side and the downside of second connecting rod shaft 22 along the vertical direction so that the upper side and lower side of mating groove 22b is equal
Open wide, at this time fitting projection 12b can coordinate in left-right direction in mating groove 22b, can also be along the vertical direction from mating groove
The open side (upside or downside) of 22b coordinates in mating groove 22b, to facilitate the fast of fitting projection 12b and mating groove 22b
Speed cooperation, promotes efficiency of assembling.
It is understood that mating groove 22b can also run through second connecting rod bar along the central axis on second connecting rod head 21
One of in two sides of body 22, that is to say, that when connecting rod 100 extends in left-right direction, second connecting rod head 21
When central axis extends vertically along the vertical direction, mating groove 22b can also run through the upper of second connecting rod shaft 22 along the vertical direction
Side or downside so that the upside or downside of mating groove 22b is opened wide, and fitting projection 12b can coordinate in left-right direction at this time
In mating groove 22b, it can also coordinate along the vertical direction from the open side of mating groove 22b (upside or downside) in mating groove 22b
It is interior.
Certainly, mating groove 22b can also connect along the direction of the central axis upright with second connecting rod head 21 through second
At least one of two sides of club body 22.For example, mating groove 22b is along the central axis upright with second connecting rod head 21
Direction run through second connecting rod shaft 22 two sides, that is to say, that when connecting rod 100 extends in left-right direction, second connecting rod
When the central axis on head 21 extends vertically along the vertical direction, mating groove 22b can also run through second connecting rod bar along the longitudinal direction
The leading flank of body 22 and trailing flank so that the front side of mating groove 22b and rear side open wide, and fitting projection 12b can be along a left side at this time
Right direction coordinates in mating groove 22b, can also coordinate along the longitudinal direction from the open side of mating groove 22b (front side or rear side)
In mating groove 22b.
In another example mating groove 22b runs through second connecting rod bar along with the direction of the central axis upright on second connecting rod head 21
One of in two sides of body 22, that is to say, that when connecting rod 100 extends in left-right direction, second connecting rod head 21
When central axis extends vertically along the vertical direction, before mating groove 22b can also run through second connecting rod shaft 22 along the longitudinal direction
Side or trailing flank so that the front side of mating groove 22b or rear open, at this time fitting projection 12b can coordinate in left-right direction
In mating groove 22b, it can also coordinate along the longitudinal direction from the open side of mating groove 22b (front side or rear side) in mating groove 22b
It is interior.
In some specific embodiments of the present invention, as shown in figs 1 to 6, the length of fitting projection 12b is less than mating groove
The depth of 22b.When fitting projection 12b cooperations are in mating groove 22b, the end face of the free end of fitting projection 12b and mating groove
There are certain intervals between the wall surface of 22b, due to the presence of mismachining tolerance, the end face for the free end for avoiding fitting projection 12b
Mutually only being supported with the wall surface of mating groove 22b causes the first jack 12a and corresponding second jack 22a that can not adjust to being oppositely arranged,
It is conveniently adjusted the centre-to-centre spacing of connecting rod 100, ensure that the diversity of 100 centre-to-centre spacing of connecting rod.
In some alternative embodiments of the present invention, as shown in figs 1 to 6, the outer profile of the cross section of fitting projection 12b
Including at least one straightway, the shape of mating groove 22b is adapted with the shape of fitting projection 12b so that fitting projection 12b matches
After closing in mating groove 22b, fitting projection 12b will not rotate relative to mating groove 22b, further realize first connecting rod 1
The positioning rotated on the length direction around connecting rod with second connecting rod 2 improves the assembling effect of first connecting rod 1 and second connecting rod 2
Rate.
Still optionally further, the cross-sectional shape of fitting projection 12b and mating groove 22b are rectangular, simple in structure, be convenient for
It realizes.
Wherein, the extending direction of fitting projection 12b can be parallel with the extending direction of first connecting rod shaft 12, and coordinates convex
It plays 12b to be adapted with mating groove 22b, consequently facilitating ensureing parallel between first connecting rod shaft 12 and second connecting rod shaft 22
Degree.When the fitting projection 12b and coaxial arrangement of first connecting rod shaft 12, mating groove 22b and second connecting rod shaft 22 are coaxially disposed,
Convenient for ensureing the concentricity between first connecting rod shaft 12 and second connecting rod shaft 22.
In some specific embodiments of the present invention, the first jack 12a is two, and the second jack 22a is two, two
The distance between first jack 12a is equal to the distance between two second jack 22a, and to which connecting rod 100 can have, there are two that
This unequal centre-to-centre spacing.
For example, in the example of Fig. 1-Fig. 6, the first jack 12a and the second jack 22a can be all formed as round hole, two
The diameter of a first jack 12a and two the second jack 22a can be equal.Specifically, as shown in Figures 2 and 3, when two
One jack 12a and two the second jack 22a corresponds opposite two connectors 3 and is threaded through the first opposite jack 12a respectively
With when connection to realize first connecting rod 1 and second connecting rod 2, the centre-to-centre spacing of connecting rod 100 is the first length in the second jack 22a；
As one of the free end of the close first connecting rod shaft 12 in two the first jack 12a and leaning in two the second jack 22a
One of the free end of nearly second connecting rod shaft 22 is oppositely arranged, a connector 3 is threaded through the first opposite jack 12a and the
In two jack 22a when connection to realize first connecting rod 1 and second connecting rod 2, the centre-to-centre spacing of connecting rod 100 is the second length, and the
Two length and the first length are unequal.
As shown in Figure 5 and Figure 6, when two the first jack 12a and two the second jack 22a correspond opposite two connections
Part 3 is threaded through in opposite the first jack 12a and the second jack 22a respectively to realize the connection of first connecting rod 1 and second connecting rod 2
When, the centre-to-centre spacing of connecting rod 100 is third length；When the free end of the close first connecting rod shaft 12 in two the first jack 12a
One be oppositely arranged with one of the free end of the close second connecting rod shaft 22 in two the second jack 22a, one connect
When part 3 is threaded through the connection to realize first connecting rod 1 and second connecting rod 2 in the first opposite jack 12a and the second jack 22a,
The centre-to-centre spacing of connecting rod 100 is the 4th length, and the 4th length and third length are unequal.
Optionally, first connecting rod 1 and second connecting rod 2 can be separately separately formed, first connecting rod head 11 and first connecting rod
Shaft 12 is integrally formed, and second connecting rod head 21 is integrally formed with second connecting rod shaft 22, to ensure first connecting rod head
It is connected between 11 and first connecting rod shaft 12 before being connected reliably between reliable, second connecting rod head 21 and second connecting rod shaft 22
It puts, improves the production efficiency of connecting rod 100.
Specifically, as shown in figs 1 to 6, the outer diameter on first connecting rod head 11 is less than the outer diameter on second connecting rod head 21, protects
The use reliability for demonstrate,proving connecting rod 100, to which when connecting rod 100 is applied to reciprocating compressor, first connecting rod head 11 can be
Coordinate with piston pin in cylinder, piston pin can coordinate in first connecting rod head 11, and second connecting rod head 21 can be with bent axle
It matches, bent axle can be threaded through in second connecting rod head 21.
Optionally, connector 3 is axis pin, pin or rivet etc., and without being limited thereto.When connector 3 is pin, pin
One end can realize pin along its axial limit with split pin；When connector 3 is rivet, first connecting rod 1 and second connecting rod 2
It can be connected by rivet.
The reciprocating compressor of embodiment according to a second aspect of the present invention, including implemented according to the above-mentioned first aspect of the present invention
The connecting rod 100 of example.Wherein, reciprocating compressor can be full-sealed reciprocating compressor.
Reciprocating compressor according to the ... of the embodiment of the present invention, by using above-mentioned connecting rod 100, connecting rod 100 can be fine
The different displacements that ground adapts to different reciprocating compressors require, adapt to the variation of crankshaft diameter and piston pin diameter, reduce past
The cost of twin compressor.
Other of reciprocating compressor according to the ... of the embodiment of the present invention are constituted and are operated for ordinary skill people
All it is known for member, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (12)
1. a kind of connecting rod, which is characterized in that including：
First connecting rod, the first connecting rod include first connecting rod head and are connected on the periphery wall on the first connecting rod head
First connecting rod shaft, the first connecting rod shaft are equipped with the first jack；
Second connecting rod, the second connecting rod include second connecting rod head and are connected on the periphery wall on the second connecting rod head
Second connecting rod shaft, the second connecting rod shaft are equipped with the second jack；
At least one connector, the connector pass through first jack and second jack with by the first connecting rod and
The second connecting rod is connected,
When first jack is one and second jack is multiple, multiple second jacks are along the second connecting rod
The length direction of shaft is set gradually, and the connector is adapted to pass through any one and described the in multiple second jacks
One jack is adjustable to realize the distance between the center on the first connecting rod head and the center on the second connecting rod head；
When it is one that first jack, which is multiple and described second jack, multiple first jacks are along the first connecting rod
The length direction of shaft is set gradually, and the connector is adapted to pass through any one and described the in multiple first jacks
Two jacks are adjustable to realize the distance between the center on the first connecting rod head and the center on the second connecting rod head；
When it is multiple that first jack, which is multiple and described second jack, multiple first jacks are along the first connecting rod
The length direction of shaft is set gradually, and multiple second jacks are set gradually along the length direction of the second connecting rod shaft,
The connector is adapted to pass through at least one of multiple described second jacks and multiple first jacks are at least one with reality
The distance between the center on the existing first connecting rod head and the center on the second connecting rod head are adjustable.
2. connecting rod according to claim 1, which is characterized in that in the first connecting rod shaft and the second connecting rod shaft
One of be equipped with fitting projection and be formed with mating groove coordinate with the fitting projection on another, wherein described in
First jack is formed on the fitting projection, and second jack is formed on the wall surface of the mating groove.
3. connecting rod according to claim 2, which is characterized in that the fitting projection is located at the first connecting rod shaft and institute
It states on the end face of the free end of one of them in second connecting rod shaft and towards the side of the second connecting rod head center
To extension, the mating groove another free end described in the first connecting rod shaft and the second connecting rod shaft
Direction recessed formation of the part for end face towards the second connecting rod head.
4. connecting rod according to claim 3, which is characterized in that central shaft of the mating groove along the second connecting rod head
Line runs through two sides of the second connecting rod shaft.
5. connecting rod according to claim 2, which is characterized in that the length of the fitting projection is less than the depth of the mating groove
Degree.
6. connecting rod according to claim 2, which is characterized in that the outer profile of the cross section of the fitting projection includes at least
Straight line section, the shape of the mating groove are adapted with the shape of the fitting projection.
7. connecting rod according to claim 6, which is characterized in that the cross-sectional shape of the fitting projection and the mating groove
It is rectangular.
8. connecting rod according to claim 1, which is characterized in that first jack is two, and second jack is
Two, the distance between two described first jacks are equal to the distance between two described second jacks.
9. connecting rod according to claim 1, which is characterized in that the first connecting rod head and the first connecting rod shaft one
Body formed, the second connecting rod head is integrally formed with the second connecting rod shaft.
10. connecting rod according to claim 1, which is characterized in that the outer diameter on the first connecting rod head is less than described second
The outer diameter of link rod head.
11. according to the connecting rod described in any one of claim 1-10, which is characterized in that the connector be axis pin, pin or
Rivet.
12. a kind of reciprocating compressor, which is characterized in that include the connecting rod according to any one of claim 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810332888.7A CN108343667A (en) | 2018-04-13 | 2018-04-13 | Connecting rod and reciprocating compressor with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810332888.7A CN108343667A (en) | 2018-04-13 | 2018-04-13 | Connecting rod and reciprocating compressor with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108343667A true CN108343667A (en) | 2018-07-31 |
Family
ID=62954974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810332888.7A Pending CN108343667A (en) | 2018-04-13 | 2018-04-13 | Connecting rod and reciprocating compressor with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108343667A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109162896A (en) * | 2018-08-28 | 2019-01-08 | 安徽省华欣能源装备科技有限公司 | A kind of adjustable Split connecting rod of reciprocating compressor length |
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| US20170184084A1 (en) * | 2015-12-29 | 2017-06-29 | Whirlpool S.A. | Two-Parts Telescopic Connecting Rod for Alternative Compressors and Method of Assembling Two-Parts Telescopic Connecting Rod in Alternative Compressors |
| CN206592421U (en) * | 2017-03-22 | 2017-10-27 | 浙江工业职业技术学院 | Connecting rod telescopic formula diameter changing mechanism |
| CN208057671U (en) * | 2018-04-13 | 2018-11-06 | 安徽美芝制冷设备有限公司 | Connecting rod and reciprocating compressor with it |
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| CN1299441A (en) * | 1998-05-04 | 2001-06-13 | 巴西船用压缩机有限公司 | Two-piece connecting rod for a reciprocating compressor and method for assembling same |
| CN101427027A (en) * | 2006-04-26 | 2009-05-06 | Lg电子株式会社 | Detachable connecting rod compressor having the same |
| CN103591123A (en) * | 2012-08-13 | 2014-02-19 | 常州市江浪铸造有限公司 | Adjustable diesel engine connecting rod |
| US20170184084A1 (en) * | 2015-12-29 | 2017-06-29 | Whirlpool S.A. | Two-Parts Telescopic Connecting Rod for Alternative Compressors and Method of Assembling Two-Parts Telescopic Connecting Rod in Alternative Compressors |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109162896A (en) * | 2018-08-28 | 2019-01-08 | 安徽省华欣能源装备科技有限公司 | A kind of adjustable Split connecting rod of reciprocating compressor length |
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Application publication date: 20180731 |