CN203730386U - Connecting structure of driving shaft and connecting rod, flow adjustment mechanism and compressor - Google Patents
Connecting structure of driving shaft and connecting rod, flow adjustment mechanism and compressor Download PDFInfo
- Publication number
- CN203730386U CN203730386U CN201420044871.9U CN201420044871U CN203730386U CN 203730386 U CN203730386 U CN 203730386U CN 201420044871 U CN201420044871 U CN 201420044871U CN 203730386 U CN203730386 U CN 203730386U
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- China
- Prior art keywords
- connecting rod
- pin
- live axle
- linkage structure
- sharf
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Abstract
The utility model provides a connecting structure of a driving shaft and a connecting rod, a flow adjustment mechanism and a compressor. The connecting structure of the driving shaft and the connecting rod comprises the connecting rod (10) and the driving shaft (40), wherein the driving shaft (40) and the connecting rod (10) are connected in a sleeved mode, and positioning is performed through a hinge pin (50) extending in the radial direction of the driving shaft (40). Due to the application of the connecting structure of the driving shaft and the connecting rod, the technical problem that in the prior art, the requirement for coaxiality of parts of the connecting structure of the driving shaft and the connecting rod is high is solved.
Description
Technical field
The utility model relates to air condition compressor technical field, in particular to the linkage structure of a kind of live axle and connecting rod and flow control device, compressor.
Background technique
For the centrifugal refigerating compressor by controlling mechanism control flow, the work of the blade opening size of regulating and controlling mechanism is to be completed by the torsion of live axle transmission execution device.At present, the mode of its controlling mechanism transmitting torque is that live axle is rigidly connected.Due to the restriction of structural limitations and processing technology, the drawback that this structure exists has: 1, this structure is high to the coaxality processing request of part, requires to reach in 0.02mm, and part disqualification rate is increased; 2, in the time of the connection decentraction of transmitting torque, easily there is blade and bearing wear or stuck phenomenon in it, occur serious quality problems after sale in long-term running.
In prior art, live axle is being rigidly connected of connecting by square concave, convex platform with being connected of connecting rod cover.Controlling mechanism is by controlling the coaxality of blade spring bearing hole and live axle, to ensure controlling mechanism traveling comfort.The blade of controlling mechanism is in running, due to the coaxiality deviation of live axle and supporting blades bearing hole, the fit dimension deviation of live axle and driving shaft bearing, and the fit dimension deviation of blade and supporting blades bearing, cause controlling mechanism blade and supporting blades bearing, live axle and driving shaft bearing, live axle and sealing gland easily stuck, suppress, even scratch.This makes centrifugal refigerating compressor controlling mechanism stuck phenomenon incidence rate very high, easily causes seriously quality problems after sale.
Model utility content
The utility model aims to provide the linkage structure of a kind of live axle and connecting rod and flow control device, compressor, to solve the high technical problem of coaxality processing request of part of the linkage structure to this live axle and connecting rod in prior art.
To achieve these goals, according to an aspect of the present utility model, provide the linkage structure of a kind of live axle and connecting rod, having comprised: connecting rod; And live axle, between live axle and connecting rod, be socketed, and circumferentially locate by the bearing pin radially extending along live axle.
Further, offer the first pin-and-hole on live axle, bearing pin is arranged in the first pin-and-hole, and the first pin-and-hole is stretched out at the two ends of bearing pin; The position that is positioned at the same diameter two ends of live axle on connecting rod offers draw-in groove, and the two ends of bearing pin are arranged on respectively in draw-in groove.
Further, draw-in groove is to be arranged on interlinking lever end and the opening U-shaped groove towards live axle.
Further, bearing pin is pin, and pin comprises the cylindrical section and the prism section that is positioned at cylindrical section both sides in the middle of being positioned at, and prism section cross section is less than cylindrical section cross section, and live axle is arranged on cylindrical section, and prism section is fastened in draw-in groove.
Further, prism section is square column.
Further, offer annular groove on bearing pin, on live axle, corresponding annular groove offers the second pin-and-hole, and the locating stud for the axial position of alignment pin is installed in the second pin-and-hole, and locating stud extends in annular groove.
Further, locating stud is cotter pin.
Further, between connecting rod and live axle, be Spielpassung.
According on the other hand of the present utility model, a kind of flow control device is provided, flow control device comprises the linkage structure of above-mentioned live axle and connecting rod; And sharf, sharf is set in the connecting rod of linkage structure, and rotates with connecting rod.
Further, sharf is that key is connected with connecting rod.
Further, the first end of sharf is multidiameter shaft, and the first end of the first end of sharf and the endoporus of connecting rod is suitable; On the first end of sharf, be provided with worm structure, in connecting rod, be provided with the locking nut being screwed onto on worm structure.
Further, on the first end of sharf, be arranged with plain cushion, plain cushion backstop, in the plane of connecting rod inside, is provided with on plain cushion for locking resilient pad, and locking nut compresses resilient pad.
According on the other hand of the present utility model, a kind of compressor is provided, comprise flow regulator, described flow regulator is above-mentioned flow regulator.
Application the technical solution of the utility model, the linkage structure of live axle and connecting rod comprises connecting rod and live axle.Between live axle and connecting rod, be socketed, and connect by the bearing pin radially arranging along live axle.Apply the linkage structure of live axle of the present utility model and connecting rod, live axle connects extraneous power input, and dynamic torque is delivered on connecting rod by bearing pin; This structure makes to form and flexibly connect between live axle and connecting rod by bearing pin, and connecting rod can have certain bit shift compensation under the assembly structure of bearing pin, thereby has reduced the coaxality processing request of this structure to part.
Brief description of the drawings
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the embodiment's of the live axle linkage structure of compressor controlling mechanism of the present utility model decomposition texture schematic diagram;
The master that Fig. 2 shows the embodiment of the live axle linkage structure of compressor controlling mechanism of the present utility model looks surface structure schematic diagram;
Fig. 3 shows the embodiment's of the live axle linkage structure of compressor controlling mechanism of the present utility model plan structure sectional view;
Fig. 4 shows the embodiment's of the live axle linkage structure of compressor controlling mechanism of the present utility model rear TV structure sectional view; And
Fig. 5 shows the local amplification view at the A place of Fig. 4.
Reference character:
10, connecting rod; 11, draw-in groove; 20, spring bearing; 30, sharf; 31, locking nut; 311, resilient pad; 312, plain cushion; 40, live axle; 41, the first pin-and-hole; 42, the second pin-and-hole; 50, pin; 51, annular groove; 52, locating stud; 60, flat key.
Embodiment
Hereinafter also describe the utility model in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.
As shown in Figures 1 to 4, according to embodiment of the present utility model, the utility model provides the linkage structure of a kind of live axle and connecting rod, and it comprises connecting rod 10 and live axle 40.Socket between live axle 40 and connecting rod 10, live axle 40 is circumferentially located by pin 50 with connecting rod 10, and pin 50 is along the radially extension of live axle 40.Connecting rod 10 is being connected in compressor this linkage structure entirety by spring bearing 20.
Apply the linkage structure of live axle of the present utility model and connecting rod, live axle 40 connects extraneous power input, and dynamic torque is delivered on connecting rod 10 by pin 50; The linkage structure of this live axle 40 and connecting rod 10 is connected by pin 50, make to form and flexibly connect between live axle 40 and connecting rod 10, the moment of torsion that this flexible connection mode passes to power input mechanism by pin 50 connecting rod 10 is delivered to connecting rod 10 by the two ends of pin 50 simultaneously, and connecting rod 10 can have certain bit shift compensation under the assembly structure of pin 50, thereby reduce the coaxality processing request of this structure to part, solved the wearing and tearing that cause while being rigidly connected transmitting torque or stuck problem.
Particularly, offer the first pin-and-hole 41 on live axle, pin 50 is arranged in the first pin-and-hole 41, and the first pin-and-hole 41 is stretched out at the two ends of pin 50; The position that is positioned at the same diameter two ends of live axle 40 on connecting rod 10 offers draw-in groove 11, and because the first pin-and-hole 41 has been stretched out at the two ends of pin 50, the two ends of pin 50 can be arranged on respectively in draw-in groove 11.Live axle 40 positions on connecting rod 10 by pin 50, and pin 50 make live axle 40 by transmission of power to connecting rod 10, thereby can drive link 10 rotate, then connecting rod 10 is to sharf 30 output torques, and control the rotating speed of sharf 30, then control the gas flow of compressor by controlling the rotating speed of sharf 30.
Preferably, draw-in groove 11 is U-shaped groove, and U-shaped groove is arranged on connecting rod 10 ends, and in order to make live axle 40 and connecting rod 10 assembling modes simpler, the opening of U-shaped groove is towards live axle 40.
Preferably, bearing pin is pin 50.Pin 50 choose the manufacture cost that can control preferably product.Pin 50 comprises circle of position shell of column and prism section.Cylindrical section is in the centre of pin 50, and prism section lays respectively at cylindrical section both sides.Live axle is arranged on cylindrical section, and prism section is fastened in draw-in groove 11.Because draw-in groove 11 is preferably U-shaped groove, for pin 50 can be installed in U-shaped groove more easily, and the intensity of guarantee pin 50, prism section cross section is less than cylindrical section cross section.Prism section is preferably square column, and square column is simpler and easy with coordinating of U-shaped groove, reliable, and stress surface is larger, and the transmission effect of power is better.
Preferably, offer annular groove 51 on pin 50, on live axle 40, corresponding annular groove 51 offers in the second pin-and-hole 42, the second pin-and-holes 42 locating stud 52 is installed, and locating stud 52 is for locating the axial position of pin 50, and locating stud 52 extends in annular groove 51.After locating stud 52 installs, the intermediate portion of locating stud 52 is arranged in annular groove 51, thereby pin 50 is positioned on live axle 40, makes pin 50 that the situation along its axial float no longer occur, and the service behaviour of this structure is more reliable.In order to facilitate selection and cost-saving, locating stud is preferably cotter pin.
In conjunction with shown in Figure 5, it between connecting rod 10 and live axle, is Spielpassung.This structure makes live axle 40 can in connecting rod 10, have mobile space, ensure that live axle 40 is connected 360 degree with connecting rod 10 and compensates part assembly error and part's machining errors, preferably, live axle is connected to via hole with connecting rod 10 and is connected, and more than monolateral guarantee 0.3mm gap.
According to embodiment of the present utility model, provide a kind of flow control device.This flow control device comprises the linkage structure of above-mentioned live axle and connecting rod 10.This flow control device also comprises sharf 30, and sharf 30 is set in connecting rod 10, and rotates with connecting rod 10.Sharf 30 and connecting rod 10 are connected for key.Key is selected conventional flat key 60.The first end of sharf 30 is multidiameter shaft, and the first end of the first end of sharf 30 and connecting rod 10 endoporus is suitable; On the first end of sharf 30, be provided with worm structure, in connecting rod 10, be provided with the locking nut 31 being screwed onto on worm structure.On the first end of sharf 30, be arranged with plain cushion 312, plain cushion 312 backstops, in the plane of connecting rod 10 inside, are provided with on plain cushion for locking resilient pad 311, and locking nut 31 compresses resilient pad 311.Adopt resilient pad 311 to make locking nut 31 there is locking effect, prevent that better screw connection structure from departing from connection.
After the live axle 40 of flow control device and the linkage structure of connecting rod 10 are improved, in the time that the moment of torsion of power input mechanism passes to live axle 40, live axle 40 and connecting rod 10 are in conjunction with the lasting rotation of doing transmitting torque, Connecting format between live axle 40 and connecting rod 10 can be revised the bearing hole of spring bearing 20 and the positioning tolerance in driving shaft bearing hole effectively, transmitting torque smoothly, makes controlling mechanism operation stably for a long time.
According to embodiment of the present utility model, a kind of compressor is provided, comprise flow regulator, this flow regulator is above-mentioned flow regulator.
Apply embodiment of the present utility model and can obtain following beneficial effect: this linkage structure has reduced the coaxality processing request of this structure to part.
These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (13)
1. a linkage structure for live axle and connecting rod, is characterized in that, comprising:
Connecting rod (10); And
Live axle (40), socket between described live axle (40) and described connecting rod (10), and circumferentially locate by the pin (50) radially extending along described live axle (40).
2. linkage structure according to claim 1, it is characterized in that, on described live axle (40), offer the first pin-and-hole (41), described pin (50) is arranged in described the first pin-and-hole (41), and described the first pin-and-hole (41) is stretched out at the two ends of described pin (50); The position that is positioned at the same diameter two ends of described live axle (40) on described connecting rod (10) offers draw-in groove (11), and the two ends of described pin (50) are arranged on respectively in described draw-in groove (11).
3. linkage structure according to claim 2, is characterized in that, described draw-in groove (11) is for being arranged on described connecting rod (10) end and the opening U-shaped groove towards described live axle (40).
4. linkage structure according to claim 2, it is characterized in that, described pin (50) comprises the cylindrical section in the middle of being positioned at and is positioned at the prism section of described cylindrical section both sides, described prism section cross section is less than described cylindrical section cross section, described live axle (40) is arranged on described cylindrical section, and described prism section is fastened in described draw-in groove (11).
5. linkage structure according to claim 4, is characterized in that, described prism section is square column.
6. according to the linkage structure described in any one in claim 2 to 5, it is characterized in that, on described pin (50), offer annular groove (51), the upper corresponding described annular groove (51) of described live axle (40) offers the second pin-and-hole (42), the locating stud (52) that axial position for locating described pin (50) is installed in described the second pin-and-hole (42), described locating stud (52) extends in described annular groove (51).
7. linkage structure according to claim 6, is characterized in that, described locating stud (52) is cotter pin.
8. according to the linkage structure described in any one in claim 1 to 5, it is characterized in that, is Spielpassung between described connecting rod (10) and described live axle (40).
9. a flow control device, is characterized in that, described flow control device comprises the linkage structure of the live axle described in any one and connecting rod in claim 1 to 8; And sharf (30), described sharf (30) is set in the connecting rod (10) of described linkage structure, and rotates with described connecting rod (10).
10. flow control device according to claim 9, is characterized in that, described sharf (30) and described connecting rod (10) are connected for key.
11. flow control devices according to claim 10, it is characterized in that, the first end of described sharf (30) is multidiameter shaft, and the first end of the endoporus of the first end of described sharf (30) and described connecting rod (10) is suitable; On the first end of described sharf (30), be provided with worm structure, in described connecting rod (10), be provided with the locking nut (31) being screwed onto on described worm structure.
12. flow control devices according to claim 11, it is characterized in that, on the first end of described sharf (30), be arranged with plain cushion (312), described plain cushion (312) backstop is in the inner plane of described connecting rod (10), on described plain cushion (312), be provided with for locking resilient pad (311), described locking nut (31) compresses described resilient pad (311).
13. 1 kinds of compressors, comprise flow regulator, it is characterized in that, described flow regulator is the flow regulator described in any one in claim 9 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044871.9U CN203730386U (en) | 2014-01-23 | 2014-01-23 | Connecting structure of driving shaft and connecting rod, flow adjustment mechanism and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044871.9U CN203730386U (en) | 2014-01-23 | 2014-01-23 | Connecting structure of driving shaft and connecting rod, flow adjustment mechanism and compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730386U true CN203730386U (en) | 2014-07-23 |
Family
ID=51200464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420044871.9U Withdrawn - After Issue CN203730386U (en) | 2014-01-23 | 2014-01-23 | Connecting structure of driving shaft and connecting rod, flow adjustment mechanism and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806558A (en) * | 2014-01-23 | 2015-07-29 | 珠海格力电器股份有限公司 | Connecting structure of driving shaft and connecting rod, flow regulation mechanism and compressor |
-
2014
- 2014-01-23 CN CN201420044871.9U patent/CN203730386U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806558A (en) * | 2014-01-23 | 2015-07-29 | 珠海格力电器股份有限公司 | Connecting structure of driving shaft and connecting rod, flow regulation mechanism and compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140723 Effective date of abandoning: 20170510 |