CN201281015Y - Novel crosshead connecting structure - Google Patents
Novel crosshead connecting structure Download PDFInfo
- Publication number
- CN201281015Y CN201281015Y CNU200820125088XU CN200820125088U CN201281015Y CN 201281015 Y CN201281015 Y CN 201281015Y CN U200820125088X U CNU200820125088X U CN U200820125088XU CN 200820125088 U CN200820125088 U CN 200820125088U CN 201281015 Y CN201281015 Y CN 201281015Y
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- CN
- China
- Prior art keywords
- crosshead
- piston rod
- new
- linkage structure
- connecting rod
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a novel crosshead connecting structure which is composed of a cylinder rod, a spherical washer, a crosshead, a cross pin and a connecting rod; the cylinder rod penetrates through the spherical washer which is arranged in the inner cavity of the crosshead and has a function of adjusting coaxiality for connecting the crosshead, and a square nut and a hexagon nut are used for jointly locking, and the connecting rod is connected with the crosshead by the cross pin.
Description
Technical field:
The utility model belongs to the field of vacuumizing, and relates to a kind of new crosshead linkage structure.
Background technique:
General oil-free vacuum pump in the market, piston rod adopts the screw thread rigidity to be connected with crosshead, and this mandatory structure makes piston rod bending deflection easily, increases the energy consumption of vacuum pump simultaneously.
Summary of the invention:
Goal of the invention of the present utility model provides a kind of new crosshead linkage structure, is made up of piston rod, spherical washer, crosshead and connecting rod etc., solves the connection of vacuum pump piston rod invar, and the bending deflection phenomenon that produces.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of new crosshead linkage structure is made up of piston rod, spherical washer, crosshead, crosshead pin and connecting rod, it is characterized in that piston rod is connected by crosshead with connecting rod.
The beneficial effects of the utility model are: adopt the vaccum pump unit after the structure of the present utility model, because the spherical washer between piston rod and the connecting rod has the effect of the concentricity of adjusting, therefore solved the diastrophic phenomenon of oilless reciprocating vacuum pump piston rod well, thereby prolonged the working life of piston rod, possessing that noise is little, energy consumption is low, is environment-friendly and energy-efficient product desirable in the vacuum pump.
Description of drawings:
The utility model is described in further detail below in conjunction with description of drawings and embodiment.
Fig. 1 be the utility model embodiment schematic representation.
Fig. 2 is a sectional drawing of the present utility model.
Among the figure: (1) piston rod, (2) hexagon nut, (3) spherical washer, (4) screw, (5) square nut, (6) crosshead, (7) screw, (8) crosshead inner chamber, (9) crosshead pin, (10) connecting rod.
Embodiment:
A kind of in the drawings new crosshead linkage structure is made up of piston rod (1), spherical washer (3), crosshead (6), crosshead pin (9) and connecting rod (10).
Piston rod (1) passes the spherical washer (3) that has the effect of adjusting concentricity in the crosshead inner chamber (8) and is connected with crosshead (6), and with a square nut (5) and the common locking of hexagon nut (2), therefore the pressure that does not increase the perpendicularity aspect connects, the power of reducing friction guarantees that piston rod moves up and down freely.Locked by screw (7) for the square nut (5) that prevents to connect piston rod (1) is loosening in crosshead inner chamber (8).Screw (4) on the square nut (5) can load and unload square nut (5) easily by the screw rod instrument.Connecting rod (10) is connected with crosshead (6) by crosshead pin (9).
Claims (6)
1, a kind of new crosshead linkage structure is made up of piston rod, spherical washer, crosshead, crosshead pin and connecting rod, it is characterized in that piston rod is connected by crosshead with connecting rod.
2, by the described a kind of new crosshead linkage structure of claim 1, it is characterized in that the spherical washer that piston rod passes in the crosshead inner chamber is connected with crosshead.
3, by the described a kind of new crosshead linkage structure of claim 1, it is characterized in that connecting rod is connected with crosshead by crosshead pin.
4, by the described a kind of new crosshead linkage structure of claim 1, it is characterized in that piston rod and crosshead utilize a square nut and hexagon nut to lock jointly.
5, by the described a kind of new crosshead linkage structure of claim 1, it is characterized in that square nut is locked by screw in the crosshead inner chamber.
6, by the described a kind of new crosshead linkage structure of claim 1, it is characterized in that the screw on the square nut can load and unload square nut easily by the screw rod instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820125088XU CN201281015Y (en) | 2008-07-19 | 2008-07-19 | Novel crosshead connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820125088XU CN201281015Y (en) | 2008-07-19 | 2008-07-19 | Novel crosshead connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201281015Y true CN201281015Y (en) | 2009-07-29 |
Family
ID=40927889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820125088XU Expired - Fee Related CN201281015Y (en) | 2008-07-19 | 2008-07-19 | Novel crosshead connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201281015Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013163788A1 (en) * | 2012-04-29 | 2013-11-07 | 四川宏华石油设备有限公司 | Connecting structure for connecting rod and crosshead and assembling method therefor |
| CN106050859A (en) * | 2016-08-18 | 2016-10-26 | 开封空分集团有限公司 | Novel anti-looseness structure for large-diameter piston rod |
| CN106089686A (en) * | 2016-07-18 | 2016-11-09 | 衡阳中地装备探矿工程机械有限公司 | A kind of crosshead and piston rod attachment structure and processing method thereof |
| CN107605706A (en) * | 2017-11-07 | 2018-01-19 | 蚌埠高科瑞力压缩机有限公司 | A kind of piston compressor easily assembling type fastening-connecting device |
| CN107630804A (en) * | 2017-11-07 | 2018-01-26 | 蚌埠高科瑞力压缩机有限公司 | A kind of piston type compressor fastening-connecting device |
| CN107701402A (en) * | 2017-11-07 | 2018-02-16 | 蚌埠高科瑞力压缩机有限公司 | A kind of split type fastener for crosshead part |
| CN107829910A (en) * | 2017-11-07 | 2018-03-23 | 蚌埠高科瑞力压缩机有限公司 | A kind of piston compressor spiral fixed fastening-connecting device |
| CN107882714A (en) * | 2017-11-07 | 2018-04-06 | 蚌埠高科瑞力压缩机有限公司 | A kind of piston compressor built-in elastic latch segment is stably connected with device |
| CN107882722A (en) * | 2017-11-07 | 2018-04-06 | 蚌埠高科瑞力压缩机有限公司 | A kind of convertible fastener of stretching for crosshead part |
| CN107906199A (en) * | 2017-11-07 | 2018-04-13 | 蚌埠高科瑞力压缩机有限公司 | One kind has the convertible crosshead component fastening device of screw thread |
| CN110454380A (en) * | 2019-09-04 | 2019-11-15 | 莱芜环球汽车零部件有限公司 | A kind of plunger pump crosshead and its machining manufacture |
-
2008
- 2008-07-19 CN CNU200820125088XU patent/CN201281015Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013163788A1 (en) * | 2012-04-29 | 2013-11-07 | 四川宏华石油设备有限公司 | Connecting structure for connecting rod and crosshead and assembling method therefor |
| CN106089686A (en) * | 2016-07-18 | 2016-11-09 | 衡阳中地装备探矿工程机械有限公司 | A kind of crosshead and piston rod attachment structure and processing method thereof |
| CN106050859A (en) * | 2016-08-18 | 2016-10-26 | 开封空分集团有限公司 | Novel anti-looseness structure for large-diameter piston rod |
| CN107605706A (en) * | 2017-11-07 | 2018-01-19 | 蚌埠高科瑞力压缩机有限公司 | A kind of piston compressor easily assembling type fastening-connecting device |
| CN107630804A (en) * | 2017-11-07 | 2018-01-26 | 蚌埠高科瑞力压缩机有限公司 | A kind of piston type compressor fastening-connecting device |
| CN107701402A (en) * | 2017-11-07 | 2018-02-16 | 蚌埠高科瑞力压缩机有限公司 | A kind of split type fastener for crosshead part |
| CN107829910A (en) * | 2017-11-07 | 2018-03-23 | 蚌埠高科瑞力压缩机有限公司 | A kind of piston compressor spiral fixed fastening-connecting device |
| CN107882714A (en) * | 2017-11-07 | 2018-04-06 | 蚌埠高科瑞力压缩机有限公司 | A kind of piston compressor built-in elastic latch segment is stably connected with device |
| CN107882722A (en) * | 2017-11-07 | 2018-04-06 | 蚌埠高科瑞力压缩机有限公司 | A kind of convertible fastener of stretching for crosshead part |
| CN107906199A (en) * | 2017-11-07 | 2018-04-13 | 蚌埠高科瑞力压缩机有限公司 | One kind has the convertible crosshead component fastening device of screw thread |
| CN110454380A (en) * | 2019-09-04 | 2019-11-15 | 莱芜环球汽车零部件有限公司 | A kind of plunger pump crosshead and its machining manufacture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20100719 |