CN105604914A - Combined type piston and connecting rod assembly of refrigeration compressor and installation method of assembly - Google Patents
Combined type piston and connecting rod assembly of refrigeration compressor and installation method of assembly Download PDFInfo
- Publication number
- CN105604914A CN105604914A CN201610021545.XA CN201610021545A CN105604914A CN 105604914 A CN105604914 A CN 105604914A CN 201610021545 A CN201610021545 A CN 201610021545A CN 105604914 A CN105604914 A CN 105604914A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- pivot link
- piston
- spheroid
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J1/00—Pistons; Trunk pistons; Plungers
- F16J1/08—Constructional features providing for lubrication
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J1/00—Pistons; Trunk pistons; Plungers
- F16J1/10—Connection to driving members
- F16J1/14—Connection to driving members with connecting-rods, i.e. pivotal connections
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Compressor (AREA)
Abstract
The invention discloses a combined type piston and connecting rod assembly of a refrigeration compressor and an installation method of the assembly. The assembly comprises a rotating connecting rod installation device, a connecting rod and a piston device, and the rotating connecting rod installation device is connected with the piston device through the connecting rod; a rotating connecting rod locating ring is installed in the rotating connecting rod installation device, a rotating connecting rod outer ring, the rotating connecting rod locating ring and a crank rotating connecting rod stationary shaft are concentrically installed, the crank rotating connecting rod stationary shaft is fixedly connected with the connecting rod, and the connecting rod is connected with the piston device; a piston skirt, a spherical support and a spherical upper cover are installed in the piston device, and the assembly can always move concentrically and coaxially on the condition of ensuring the high lubrication degree through formed oil grooves, a formed oil hole and a formed oil chamber. Accordingly, the installation method is simple and practical, the installation precision is high, the structure is simple, the assembly manufacturing difficulty is low, firmness and durability are achieved, the working efficiency is improved, and the service life is prolonged.
Description
Technical field
The present invention relates to art of refrigeration units, especially a kind of refrigeration compressor combined type piston and link assembly and installation method thereof.
Background technology
No matter be the refrigeration plants such as refrigerator, or refrigerator, their " heart " is a Totally-enclosed piston type compressor. And driving flow of refrigerant is the piston in " heart ". Piston is by crank-driven, and by the transmission of connecting rod power, driven plunger is made flexible reciprocal rectilinear motion in cylinder body. While work due to connecting rod, be the compound motion that adds the state of swinging in front and back, and piston is in rectilinear motion. For the interference to piston of the external force of eliminating the on-rectilinear movement direction of bringing because of the swing of connecting rod, it is mainly to connect with spheroid that existing piston is connected with connecting rod. Therefore, how to carry out being better connected be key for spheroid and piston. In existing structure, conventionally use two semi-circular bowl-type metals through punching press, be then welded; Or one of them is semi-circular uses working of plastics manufacture, another is semi-circular makes with the comparatively complicated metalwork of shape. No matter which kind of combination, although all can meet bulb is installed to wherein, last result is or installation accuracy does not reach compressor instructions for use; Or the service life of piston is very short. Manufacturing cost and installation difficulty are higher simultaneously, thereby have affected service life and the manufacturing cost of complete machine.
Summary of the invention
The object of the present invention is to provide a kind of refrigeration compressor combined type piston and link assembly and installation method thereof, comprise pivot link erecting device, connecting rod and piston apparatus, pivot link centring ring is installed in pivot link erecting device and makes pivot link outer ring, pivot link centring ring and crank pivot link fixed axis are installed with one heart, crank pivot link fixed axis and connecting rod are fixedly linked, connecting rod is connected with piston apparatus, piston skirt body is installed in piston apparatus, spheroid support and spheroid upper cover, and the oil groove oilhole oil pocket of offering makes the present invention's concentric co-axial motion all the time in the situation that ensureing high lubricity, and installation method of the present invention is simple and practical, installation accuracy is high, simple in structure, product difficulty is low, sturdy and durable, increase work efficiency and service life.
In order to achieve the above object, technical scheme of the present invention is:
A kind of refrigeration compressor combined type piston and link assembly, comprise pivot link erecting device, connecting rod and piston apparatus, described pivot link erecting device is connected with piston apparatus by connecting rod, described pivot link erecting device comprises pivot link outer ring, described pivot link is provided with pivot link centring ring in outer ring, described pivot link centring ring is arranged on crank pivot link fixed axis, described pivot link outer ring, pivot link centring ring and concentric installation of crank pivot link fixed axis, described crank pivot link fixed axis and connecting rod one end are fixedly linked, the described connecting rod other end is connected with piston apparatus, described piston apparatus comprises piston jacket, the spheroid support being connected with the piston skirt body of piston jacket is installed in described piston jacket, described spheroid support is connected by being welded and fixed with spheroid upper cover, described spheroid cover rim is connected with piston skirt body, described spheroid support and spheroid upper cover are formed with spheroid chamber, described spheroid chamber is built-in with connecting rod and rivets the spheroid forming, described spheroid support, connecting rod and spheroid are formed with oil pocket, described oil pocket and perforation pivot link outer ring, pivot link centring ring, the connecting rod oil line of connecting rod is connected, described oil pocket and oil groove, piston skirt body endless-oil groove, piston oilhole, spheroid upper cover oilhole, piston skirt body oilhole is connected.
The installation method of a kind of refrigeration compressor combined type piston and link assembly, in described pivot link outer ring, be provided with the cavity of installing for crank pivot link fixed axis, the first step, in described cavity, installation turns an angle and just can be arranged on crank pivot link fixed axis; Second step, in described cavity, crank pivot link fixed axis is provided with outward and makes the pivot link centring ring concentric with pivot link outer ring, crank pivot link fixed axis.
Described spheroid chamber comprises the spheroid support concave spherical surface that ensures spheroid support center, piston skirt body centres axiality and the spheroid upper cover concave spherical surface that ensures spheroid support center, piston skirt body centres axiality.
On described spheroid support, offer and make enough lubricated 6-8 bar oil grooves of spheroid chamber.
Described spheroid support two ends and piston skirt body closure are fixedly linked, and outward flange and the piston skirt body bottom opening closure at described spheroid support middle part are fixedly linked.
The invention has the beneficial effects as follows: a kind of refrigeration compressor combined type piston of the present invention and link assembly and installation method thereof, comprise pivot link erecting device, connecting rod and piston apparatus, pivot link centring ring is installed in pivot link erecting device and makes pivot link outer ring, pivot link centring ring and crank pivot link fixed axis are installed with one heart, crank pivot link fixed axis and connecting rod are fixedly linked, connecting rod is connected with piston apparatus, piston skirt body is installed in piston apparatus, spheroid support and spheroid upper cover, and the oil groove oilhole oil pocket of offering makes the present invention's concentric co-axial motion all the time in the situation that ensureing high lubricity, and installation method of the present invention is simple and practical, installation accuracy is high, simple in structure, product difficulty is low, sturdy and durable, increase work efficiency and service life.
Brief description of the drawings
Fig. 1 is cutaway view of the present invention;
Fig. 2 is installation diagram of the present invention;
Fig. 3 is piston apparatus amplification view in Fig. 1;
Fig. 4 is piston apparatus installation diagram in Fig. 1;
Fig. 5 is crank pivot link erecting device amplification view in Fig. 1.
Detailed description of the invention
Embodiment 1
A kind of refrigeration compressor combined type piston and link assembly as Figure 1-5, comprise pivot link erecting device 1, connecting rod 2 and piston apparatus 3, described pivot link erecting device 1 is connected with piston apparatus 3 by connecting rod 2, described pivot link erecting device 1 comprises pivot link outer ring 4, in described pivot link outer ring 4, pivot link centring ring 5 is installed, crank pivot link fixed axis 6 is installed in described pivot link centring ring 5, described pivot link outer ring 4, pivot link centring ring 5 and the concentric installation of crank pivot link fixed axis 6, described crank pivot link fixed axis 6 is fixedly linked with connecting rod 2 one end, described connecting rod 2 other ends are connected with piston apparatus 3, described piston apparatus 3 comprises piston jacket 7, the spheroid support 9 being connected with the piston skirt body 8 of piston jacket 7 is installed in described piston jacket 7, described spheroid support 9 is connected by being welded and fixed with spheroid upper cover 10, described spheroid upper cover 10 edges are connected with piston skirt body 8, described spheroid support 9 is formed with spheroid chamber 11 with spheroid upper cover 10, described spheroid chamber 11 is built-in with connecting rod 2 and rivets the spheroid 12 forming, described spheroid support 9, connecting rod 2 is formed with oil pocket 13 with spheroid 12, described oil pocket 13 and perforation pivot link outer ring 4, pivot link centring ring 5, the connecting rod oil line 14 of connecting rod 2 is connected, described oil pocket 13 and oil groove 15, piston skirt body endless-oil groove 16, piston oilhole 17, spheroid upper cover oilhole 18, piston skirt body oilhole 19 is connected.
The installation method of a kind of refrigeration compressor combined type piston and link assembly, in described pivot link outer ring 4, be provided with the cavity of installing for crank pivot link fixed axis 6, the first step, installs the pivot link fixed axis 6 that turns an angle and could install in described cavity; Second step, in described cavity, outer being provided with of crank pivot link fixed axis 6 make the pivot link centring ring 5 concentric with pivot link outer ring 4, crank pivot link fixed axis 6.
Described spheroid chamber 11 comprises the spheroid support concave spherical surface 20 that ensures spheroid support 9 centers, piston skirt body 8 centres axialities and the spheroid upper cover concave spherical surface 21 that ensures spheroid support 9 centers, piston skirt body 8 centres axialities.
On described spheroid support 9, offer and make enough lubricated 6-8 bar oil grooves of spheroid chamber 11.
Described spheroid support 9 two ends and piston skirt body 8 closures are fixedly linked, and the outward flange at described spheroid support 9 middle parts and piston skirt body 8 bottom opening 22 closures are fixedly linked.
A kind of refrigeration compressor combined type piston and link assembly and the installation method thereof of the present embodiment, comprise pivot link erecting device, connecting rod and piston apparatus, pivot link centring ring is installed in pivot link erecting device and makes pivot link outer ring, pivot link centring ring and crank pivot link fixed axis are installed with one heart, pivot link fixed axis and connecting rod are fixedly linked, connecting rod is connected with piston apparatus, piston skirt body is installed in piston apparatus, spheroid support and spheroid upper cover, and the oil groove oilhole oil pocket of offering makes the present invention's concentric co-axial motion all the time in the situation that ensureing high lubricity, and installation method of the present invention is simple and practical, installation accuracy is high, simple in structure, product difficulty is low, sturdy and durable, increase work efficiency and service life.
Claims (4)
1. a refrigeration compressor combined type piston and link assembly, it is characterized in that: comprise pivot link erecting device (1), connecting rod (2) and piston apparatus (3), described pivot link erecting device (1) is connected with piston apparatus (3) by connecting rod (2), described pivot link erecting device (1) comprises pivot link outer ring (4), pivot link centring ring (5) is installed in described pivot link outer ring (4), crank pivot link fixed axis (6) is installed in described pivot link centring ring (5), described pivot link outer ring (4), pivot link centring ring (5) and crank pivot link fixed axis (6) are installed with one heart, described crank pivot link fixed axis (6) is fixedly linked with connecting rod (2) one end, described connecting rod (2) other end is connected with piston apparatus (3), described piston apparatus (3) comprises piston jacket (7), the spheroid support (9) being connected with the piston skirt body (8) of piston jacket (7) is installed in described piston jacket (7), described spheroid support (9) is connected by being welded and fixed with spheroid upper cover (10), described spheroid upper cover (10) edge is connected with piston skirt body (8), described spheroid support (9) is formed with spheroid chamber (11) with spheroid upper cover (10), described spheroid chamber (11) is built-in with connecting rod (2) and rivets the spheroid (12) forming, described spheroid support (9), connecting rod (2) is formed with oil pocket (13) with spheroid (12), described oil pocket (13) and perforation pivot link outer ring (4), pivot link centring ring (5), the connecting rod oil line (14) of connecting rod (2) is connected, described oil pocket (13) and oil groove (15), piston skirt body endless-oil groove (16), piston oilhole (17), spheroid upper cover oilhole (18), piston skirt body oilhole (19) is connected,
The installation method of a kind of refrigeration compressor combined type piston and link assembly, it is characterized in that: in described pivot link outer ring (4), be provided with the cavity of installing for crank pivot link fixed axis (6), the first step, in described cavity, installation turns an angle and just can be arranged on crank pivot link fixed axis (6); Second step, in described cavity, outer being provided with of crank pivot link fixed axis (6) make the pivot link centring ring (5) concentric with pivot link outer ring (4), crank pivot link fixed axis (6).
2. a kind of refrigeration compressor combined type piston according to claim 1 and link assembly, is characterized in that: described spheroid chamber (11) comprises the spheroid support concave spherical surface (20) that ensures spheroid support (9) center, piston skirt body (8) centres axiality and the spheroid upper cover concave spherical surface (21) that ensures spheroid support (9) center, piston skirt body (8) centres axiality.
3. a kind of refrigeration compressor combined type piston according to claim 1 and link assembly, is characterized in that: on described spheroid support (9), offer and make enough lubricated 6-8 bar oil grooves of spheroid chamber (11).
4. a kind of refrigeration compressor combined type piston according to claim 1 and link assembly, it is characterized in that: described spheroid support (9) two ends and piston skirt body (8) closure are fixedly linked, outward flange and piston skirt body (8) bottom opening (22) closure at described spheroid support (9) middle part are fixedly linked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610021545.XA CN105604914B (en) | 2016-01-14 | 2016-01-14 | A kind of refrigeration compressor combined type piston and link assembly and its installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610021545.XA CN105604914B (en) | 2016-01-14 | 2016-01-14 | A kind of refrigeration compressor combined type piston and link assembly and its installation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105604914A true CN105604914A (en) | 2016-05-25 |
| CN105604914B CN105604914B (en) | 2017-12-08 |
Family
ID=55985145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610021545.XA Active CN105604914B (en) | 2016-01-14 | 2016-01-14 | A kind of refrigeration compressor combined type piston and link assembly and its installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105604914B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640599A (en) * | 2016-11-11 | 2017-05-10 | 浙江工业职业技术学院 | Automatic centering piston connecting rod assembly used for refrigeration compressor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3983793A (en) * | 1975-12-08 | 1976-10-05 | General Motors Corporation | Crosshead piston assembly |
| CN1625855A (en) * | 2002-05-10 | 2005-06-08 | 三菱电机株式会社 | Communication system, base station and mobile station |
| CN1624327A (en) * | 2003-12-03 | 2005-06-08 | 丹福斯压缩器有限公司 | Piston compressor |
| CN101581296A (en) * | 2008-05-15 | 2009-11-18 | 上海海立（集团）股份有限公司 | Closed reciprocating compressor |
| CN104712547A (en) * | 2013-12-16 | 2015-06-17 | 思科普有限责任公司 | Piston device for refrigerating compressor |
| CN105114287A (en) * | 2015-09-07 | 2015-12-02 | 安徽美芝制冷设备有限公司 | Reciprocating compressor and piston connecting rod mechanism of same |
-
2016
- 2016-01-14 CN CN201610021545.XA patent/CN105604914B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3983793A (en) * | 1975-12-08 | 1976-10-05 | General Motors Corporation | Crosshead piston assembly |
| CN1625855A (en) * | 2002-05-10 | 2005-06-08 | 三菱电机株式会社 | Communication system, base station and mobile station |
| CN1624327A (en) * | 2003-12-03 | 2005-06-08 | 丹福斯压缩器有限公司 | Piston compressor |
| CN101581296A (en) * | 2008-05-15 | 2009-11-18 | 上海海立（集团）股份有限公司 | Closed reciprocating compressor |
| CN104712547A (en) * | 2013-12-16 | 2015-06-17 | 思科普有限责任公司 | Piston device for refrigerating compressor |
| CN105114287A (en) * | 2015-09-07 | 2015-12-02 | 安徽美芝制冷设备有限公司 | Reciprocating compressor and piston connecting rod mechanism of same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640599A (en) * | 2016-11-11 | 2017-05-10 | 浙江工业职业技术学院 | Automatic centering piston connecting rod assembly used for refrigeration compressor |
| CN106640599B (en) * | 2016-11-11 | 2018-06-26 | 浙江工业职业技术学院 | A kind of automatic fixed middle piston rod part for refrigeration compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105604914B (en) | 2017-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102162434A (en) | Double-cylinder plunger pump | |
| CN105114287A (en) | Reciprocating compressor and piston connecting rod mechanism of same | |
| CN107061216B (en) | Liquid nitrogen pump hot junction | |
| CN105604914A (en) | Combined type piston and connecting rod assembly of refrigeration compressor and installation method of assembly | |
| CN109236599A (en) | Synchronous bent axis type axial piston pump | |
| CN108506332A (en) | High-strength accurate spherical hinge applied to die-cutting machine | |
| CN208945552U (en) | A kind of circlip auto-stitching jig | |
| CN204164159U (en) | A kind of engine cam thrust device | |
| CN108756565B (en) | Door closer | |
| CN110566645A (en) | Transmission mechanism and method for converting rotary motion into reciprocating motion | |
| CN201330792Y (en) | Connecting rod of gasoline engine | |
| CN204371574U (en) | A kind of high speed axial piston pump | |
| CN204984777U (en) | A piston link assembly and compressor for compressor | |
| CN104976095A (en) | Sundial type air compressor | |
| CN203925924U (en) | Two-way shaking tray compressor | |
| CN106640599B (en) | A kind of automatic fixed middle piston rod part for refrigeration compressor | |
| CN202001256U (en) | Crankshaft for refrigeration compressor | |
| CN208185207U (en) | High-strength accurate spherical hinge applied to die-cutting machine | |
| CN204877819U (en) | Eccentric gyration power end structure of reciprocating pump | |
| CN202007827U (en) | Split self-positioning connecting rod | |
| CN202001250U (en) | Compressor piston | |
| CN202082068U (en) | Piston compressor | |
| CN206636767U (en) | A kind of d-axis reciprocating pump | |
| CN204941825U (en) | Reciprocal compressor and piston crank mechanism thereof | |
| CN205160261U (en) | Double -stator motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |