CN202640786U - Oil cylinder piston rod assembly - Google Patents
Oil cylinder piston rod assembly Download PDFInfo
- Publication number
- CN202640786U CN202640786U CN 201220183208 CN201220183208U CN202640786U CN 202640786 U CN202640786 U CN 202640786U CN 201220183208 CN201220183208 CN 201220183208 CN 201220183208 U CN201220183208 U CN 201220183208U CN 202640786 U CN202640786 U CN 202640786U
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- CN
- China
- Prior art keywords
- piston rod
- oil cylinder
- terminal pad
- detent
- location
- 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 provides an oil cylinder piston rod assembly which comprises a connection disk and a piston rod. The connection side is provided with a location groove and can be fixedly connected on slide block of a work bench of an oil cylinder, the front end of the piston rod can be embedded in the location groove in a matched mode, a location protruded block of a cylindrical structure is positioned in the center of the bottom surface of the location groove of the connection disk, and the upper end of the piston rod sinks to form an embedded groove where the location protruded block can be embedded. Due to the facts that the location protruded block of the cylindrical structure is positioned in the center of the bottom surface of the location groove of the connection disk, and the upper end of the piston rod is provided with the embedded groove where the location protruded block can be embedded, the axis of the piston rod and the axis of the connection disk can completely coincide. Thus, the coaxiality of the piston rod and the connection disk is guaranteed, the piston rod can meet coaxiality of the work bench on a hydraulic machine to eliminate deviation, offset loading force on the oil cylinder is effectively reduced, an oil cylinder system is protected, and accuracy of cooperation between a cylinder body and the slide block can be guaranteed.
Description
Technical field
The utility model relates to a kind of device of oil cylinder, relates in particular to a kind of cylinder piston rod assembly.
Background technology
The operating pressure of hydraulic press is the slide block that passes to upper table by oil cylinder by piston rod, the top of existing cylinder piston rod is the plane, cylinder piston rod is connected with the slide block fixed installation of the upper table of hydraulic press, often do not reach the requirement of axiality, produce deviation, in compacting work, just can increase the unbalance loading pressure to oil cylinder; And hydraulic press needs branched master cylinder work or area of work large, and perhaps uneven all may the causing of compacted products increases the hydraulic press cylinder offset loading force, causes easily cylinder system to damage, and reduces the precision that cooperates of cylinder block and piston.
Therefore need to provide a kind of novel cylinder piston rod assembly, be fixedly connected with the upper table of hydraulic press by terminal pad, can guarantee the axiality of the slide block of piston rod, terminal pad and upper table, prevent deviation, reduce the oil cylinder offset loading force.
The utility model content
In view of this, a kind of cylinder piston rod assembly that the utility model provides is fixedly connected with the upper table of hydraulic press by terminal pad, can guarantee the axiality of the slide block of piston rod, terminal pad and upper table, prevents deviation, reduces the oil cylinder offset loading force.
A kind of cylinder piston rod assembly that the utility model provides comprises that terminal pad and the front end of the slide block of the be fixedly connected on oil cylinder upper table that is provided with detent can be fitted the piston rod that shape embeds with described detent; The bottom surface central authorities of the detent of described terminal pad are provided with the locating convex block of cylindrical structural; The embedded groove that described piston rod top sinks to forming to make the suitable shape of described locating convex block to embed;
Further, comprise also being fixedly installed on being used for the fixing annular fixed cover of described piston rod of described terminal pad that described annular fixed cover is by the fixing described piston rod of jackscrew;
Further, the internal diameter of described annular fixed cover equates with the internal diameter of described detent and described annular fixed cover and the setting of described terminal pad integral type;
Further, the dead in line of the axis of the axis of described detent, terminal pad and locating convex block;
The beneficial effects of the utility model: the utility model arranges the embedded groove that the suitable shape of described locating convex block is embedded by locating convex block and the piston rod top that cylindrical structural is set in the terminal pad detent; the axis of described piston rod and the axis of described terminal pad are overlapped fully; thereby guarantee the axiality of described piston rod and described terminal pad; and then the upper table that makes piston rod and hydraulic press reaches the requirement of axiality; eliminate deviation; effectively reduced the offset loading force to oil cylinder; protected cylinder system, thus the precision that cooperates between the cylinder body that guarantees oil cylinder and the slide block.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Fig. 1 is structural representation of the present utility model, as shown in the figure, in the present embodiment, a kind of cylinder piston rod assembly that the utility model provides comprises that terminal pad 2 and the front end of the slide block of the be fixedly connected on oil cylinder upper table that is provided with detent 5 can be fitted the piston rod 1 that shapes embed with described detent 5; The bottom surface central authorities of the detent 5 of described terminal pad 2 are provided with the locating convex block 7 of cylindrical structural; Described piston rod 1 top sinks to forming the embedded groove 6 that described locating convex block 7 suitable shapes are embedded; The utility model is by arranging the embedded groove 6 that described locating convex block 7 suitable shapes are embedded on terminal pad 2 detents 5 interior locating convex block 7 and piston rod 1 tops that cylindrical structural is set; the axis of described piston rod 1 and the axis of described terminal pad 2 are overlapped fully; thereby guarantee the axiality of described piston rod 1 and described terminal pad 2; and then make piston rod 1 and the upper table of hydraulic press reach the requirement of axiality; eliminate deviation; effectively reduced the offset loading force to oil cylinder; protected cylinder system, thus the precision that cooperates between the cylinder body that guarantees oil cylinder and the slide block.
In the present embodiment, also comprise and be fixedly installed on being used for the fixing annular fixed cover 3 of described piston rod 1 of described terminal pad 2 upper surfaces, described annular fixed cover 3 is by jackscrew 4 fixing described piston rods 1, this structure, both can be fixed described piston rod 1, and it is detachable making described piston rod 1 and terminal pad 2, is convenient to maintenance.
In the present embodiment, the internal diameter of described annular fixed cover 3 equates with the internal diameter of described detent 5, can avoid not forming stepped hole because the internal diameter of the internal diameter of annular fixed cover 3 and described detent 5 does not wait, have influence on the installation of described piston rod 1, have influence on simultaneously described piston rod 1 and the axiality of described terminal pad and the measure of precision that cooperates, and described annular fixed cover 3 and described terminal pad 2 integral type settings, Stability Analysis of Structures, easily manufactured.
In the present embodiment; the dead in line of the axis of the axis of described detent 5, terminal pad 2 and locating convex block 7; can effectively guarantee the axiality of a parts; thereby the axiality of the slide block of the upper table of assurance the utility model and oil cylinder; eliminate deviation; effectively reduce the offset loading force to oil cylinder, protected cylinder system, thus the precision that cooperates between the cylinder body that guarantees oil cylinder and the slide block.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (4)
1. cylinder piston rod assembly is characterized in that: comprise the piston rod that the terminal pad of slide block of the be fixedly connected on oil cylinder upper table that is provided with detent and front end can embed with the suitable shape of described detent; The bottom surface central authorities of the detent of described terminal pad are provided with the locating convex block of cylindrical structural; The embedded groove that described piston rod top sinks to forming to make the suitable shape of described locating convex block to embed.
2. described cylinder piston rod assembly according to claim 1 is characterized in that: also comprise being fixedly installed on being used for the fixing annular fixed cover of described piston rod of described terminal pad, described annular fixed cover is by the fixing described piston rod of jackscrew.
3. described cylinder piston rod assembly according to claim 2 is characterized in that: the internal diameter of described annular fixed cover equates with the internal diameter of described detent and described annular fixed cover and described terminal pad integral type arrange.
4. described cylinder piston rod assembly according to claim 3 is characterized in that: the dead in line of the axis of described detent, the axis of terminal pad and locating convex block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220183208 CN202640786U (en) | 2012-04-27 | 2012-04-27 | Oil cylinder piston rod assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220183208 CN202640786U (en) | 2012-04-27 | 2012-04-27 | Oil cylinder piston rod assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202640786U true CN202640786U (en) | 2013-01-02 |
Family
ID=47409949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220183208 Expired - Fee Related CN202640786U (en) | 2012-04-27 | 2012-04-27 | Oil cylinder piston rod assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202640786U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263904A (en) * | 2017-08-18 | 2017-10-20 | 江苏中海重型机床有限公司 | A kind of hydraulic press for bearing larger offset loading force |
| CN107471713A (en) * | 2017-08-18 | 2017-12-15 | 江苏中海重型机床有限公司 | A kind of hydraulic press |
-
2012
- 2012-04-27 CN CN 201220183208 patent/CN202640786U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107263904A (en) * | 2017-08-18 | 2017-10-20 | 江苏中海重型机床有限公司 | A kind of hydraulic press for bearing larger offset loading force |
| CN107471713A (en) * | 2017-08-18 | 2017-12-15 | 江苏中海重型机床有限公司 | A kind of hydraulic press |
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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: 20130102 Termination date: 20130427 |