CN212003805U - Oil hydraulic cylinder - Google Patents
Oil hydraulic cylinder Download PDFInfo
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- CN212003805U CN212003805U CN201921721029.3U CN201921721029U CN212003805U CN 212003805 U CN212003805 U CN 212003805U CN 201921721029 U CN201921721029 U CN 201921721029U CN 212003805 U CN212003805 U CN 212003805U
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Abstract
The utility model relates to an oil pressure cylinder, including the external cylinder body, the internal cylinder body, the plunger part, the internal cylinder body is established in the external cylinder body, the open-top of internal cylinder body forms the internal cylinder chamber with the bottom opening sealing connection of external cylinder body, the external cylinder chamber, the open-top upper cover of internal cylinder body is equipped with the sealed lid of internal cylinder, the sealed internal cylinder oil inlet that is equipped with of internal cylinder, the plunger part includes the plunger external cylinder body, the piston rod subassembly includes the piston rod, be equipped with the internal cylinder piston on the end of the one end of piston rod, the other end of piston rod stretches into bottom sealing connection in plunger external cylinder body and the plunger external cylinder body, the open-top of plunger external cylinder body stretches into the inboard of external cylinder chamber and external cylinder body from the open-top of external cylinder body and forms sealed sliding connection, the one end of piston rod stretches into the internal cylinder chamber from the. The utility model discloses a high pressure impels fast in modified double-cylinder design realization, has to impel fast, efficient characteristics.
Description
Technical Field
The utility model relates to an oil hydraulic cylinder, in particular to modified oil hydraulic cylinder belongs to the oil hydraulic cylinder field.
Background
The hydraulic cylinder is a hydraulic actuator for converting hydraulic energy into reciprocating mechanical energy. When the hydraulic cylinder is used for realizing reciprocating motion, the speed reducer is saved, the operation is stable, and the application is very wide. The hydraulic cylinder is generally composed of a cylinder barrel, a cylinder cover, a piston rod, a sealing element, a buffer element and the like, and the output of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the piston. Most of the existing high-pressure oil cylinders are single-cylinder equipment, and the advancing speed of a plunger of the single-cylinder equipment is very low, so that the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses oil hydraulic cylinder discloses new scheme, adopts the design of modified parallel bars to realize that the high pressure impels fast, and it is slow to have solved current scheme plunger forward speed, problem that work efficiency is low.
The utility model discloses an oil hydraulic cylinder includes the outer cylinder body, the inner cylinder body, the plunger part, the inner cylinder body is established in the outer cylinder body, the open-top of inner cylinder body and the bottom opening of outer cylinder body be airtight connection and form the inner cylinder chamber in the inner cylinder body, the outer cylinder chamber between inner cylinder body and outer cylinder body, the open-top upper cover of inner cylinder body is equipped with inner cylinder sealing cover, the sealed lid that covers of inner cylinder is equipped with the inner cylinder oil inlet, the plunger part includes the plunger outer cylinder body, the piston rod subassembly includes the piston rod, be equipped with the inner cylinder piston on the end of one end of piston rod, the other end of piston rod stretches into the plunger outer cylinder body and is connected with plunger outer cylinder body bottom seal, the open-top of plunger outer cylinder body stretches into outer cylinder chamber from the open-top of outer cylinder body and forms sealed sliding connection with the inboard of outer cylinder body, the one end of piston rod, and oil is injected into the inner cylinder cavity from the oil inlet of the inner cylinder to push the piston of the inner cylinder to drive the plunger outer cylinder body to move through the piston rod.
Furthermore, the inner cylinder sealing cover of the scheme is also provided with a speed regulation oil inlet A, the speed regulation oil inlet A is communicated with the bottom of the inner cylinder cavity through a speed regulation oil inlet pipe A, and the speed regulation oil inlet A injects oil to the bottom in the inner cylinder cavity to regulate the propelling speed of the inner cylinder piston.
Furthermore, the inner cylinder sealing cover of the scheme is also provided with a speed regulation oil inlet B, the speed regulation oil inlet B is communicated with the inner cylinder cavity and the outer cylinder cavity between the plunger outer cylinder bodies through a speed regulation oil inlet pipe B, and the advancing speed of the plunger outer cylinder body is adjusted by injecting oil into the outer cylinder cavity from the speed regulation oil inlet B.
Further, the open-top of the interior cylinder body of this scheme is equipped with connects outer loop eaves limit, connects outer loop eaves edge and is equipped with a plurality of internal thread through-holes along circumference, and the bottom opening part of outer cylinder body is equipped with connects inner loop eaves limit, connects inner loop eaves edge and is equipped with a plurality of internal thread counter bores along circumference, and the internal thread through-hole passes through threaded connection inside and outside the bolt formation with the internal thread counter bore, and the open-top of interior cylinder body and the bottom opening of outer cylinder body realize sealing connection through above-mentioned internal and external threaded.
Further, the welding of edge circumference has the connection outer loop eaves limit on the open-top's of the outer cylinder body of this scheme the outside.
Furthermore, be equipped with the sealing flange bush between the open-top's of the external cylinder body of this scheme inboard and plunger external cylinder body, the flange end of sealing flange bush with connect outer loop eaves limit fixed connection, the inboard bush end and the plunger external cylinder body that passes through the sealing flange bush of external cylinder body form sealed sliding connection.
The utility model discloses oil hydraulic cylinder adopts the design of modified double-cylinder to realize that the high pressure impels fast, has to impel fast, efficient characteristics.
Drawings
Fig. 1 is a schematic view of an oil hydraulic cylinder.
Wherein, 1 is connected outer ring brim, 2 is plunger outer cylinder body, 3 is inner cylinder piston, 4 is the piston rod, 5 is the inner cylinder oil inlet, 6 is speed governing oil inlet A, 7 is the outer cylinder body, 8 is the inner cylinder body, 9 is the inner cylinder sealed lid, 10 is speed governing oil inlet B, 11 is the sealed flange bush.
Detailed Description
The following description of the present invention will be made with reference to the accompanying drawings.
As shown in figure 1, the oil hydraulic cylinder of the utility model comprises an outer cylinder body, an inner cylinder body and a plunger component, wherein the inner cylinder body is arranged in the outer cylinder body, the top opening of the inner cylinder body is hermetically connected with the bottom opening of the outer cylinder body to form an inner cylinder cavity in the inner cylinder body and an outer cylinder cavity between the inner cylinder body and the outer cylinder body, an inner cylinder sealing cover is covered on the top opening of the inner cylinder body, an inner cylinder oil inlet is arranged on the inner cylinder sealing cover, the plunger component comprises a plunger outer cylinder body and a piston rod component, the piston rod component comprises a piston rod, an inner cylinder piston is arranged on the end head of one end of the piston rod, the other end of the piston rod extends into the plunger outer cylinder body and is hermetically connected with the inner bottom of the plunger outer cylinder body, the top opening end of the plunger outer cylinder body extends into the outer cylinder cavity from the top opening of the outer cylinder body to form a sealed sliding connection with the inner side, and oil is injected into the inner cylinder cavity from the oil inlet of the inner cylinder to push the piston of the inner cylinder to drive the plunger outer cylinder body to move through the piston rod. According to the scheme, high-pressure rapid propulsion is realized by adopting an improved double-cylinder design, and the plunger outer cylinder body in the outer cylinder cavity is driven to move by the inner cylinder piston in the inner cylinder body, so that a far propulsion stroke is realized by less high-pressure oil inlet, and the propulsion speed and efficiency of the oil cylinder are greatly improved.
In order to adjust the propelling speed of the inner cylinder piston, the inner cylinder sealing cover of the scheme is also provided with a speed-adjusting oil inlet A, the speed-adjusting oil inlet A is communicated with the bottom of the inner cylinder cavity through a speed-adjusting oil inlet pipe A, and oil is injected from the speed-adjusting oil inlet A to the bottom in the inner cylinder cavity to adjust the propelling speed of the inner cylinder piston. Specifically, the propelling speed of the inner cylinder piston is slowed down by discharging hydraulic oil to the bottom in the inner cylinder cavity.
In order to adjust the propelling speed of the plunger outer cylinder body, the inner cylinder sealing cover of the scheme is also provided with a speed-adjusting oil inlet B, the speed-adjusting oil inlet B is communicated with the inner cylinder cavity and the outer cylinder cavity between the plunger outer cylinder body through a speed-adjusting oil inlet pipe B, and oil is injected into the outer cylinder cavity from the speed-adjusting oil inlet B to adjust the propelling speed of the plunger outer cylinder body. Particularly, the propelling speed of the plunger outer cylinder body is accelerated by discharging hydraulic oil into the outer cylinder cavity.
In order to realize the stable connection between the hydro-cylinder part, the open-top of the interior cylinder body of this scheme is equipped with connects outer loop eaves limit, it is equipped with a plurality of internal thread through-holes along circumference to connect outer loop eaves edge, the bottom opening part of outer cylinder body is equipped with connects inner loop eaves limit, it is equipped with a plurality of internal thread counter bores along circumference to connect inner loop eaves edge, the internal thread through-hole passes through threaded connection inside and outside the bolt formation with the internal thread counter bore, the open-top of interior cylinder body and the bottom opening of outer cylinder body pass through above-mentioned internal.
In order to realize the sealing sliding connection between the oil cylinder components and the stable connection between the oil cylinder and an external structure, the outer side of the top opening of the outer cylinder body is welded with a connecting outer ring brim along the circumferential direction, a sealing flange bushing is arranged between the inner side of the top opening of the outer cylinder body and the outer cylinder body of the plunger, the flange end of the sealing flange bushing is fixedly connected with the connecting outer ring brim, and the inner side of the outer cylinder body is in sealing sliding connection with the outer cylinder body of the plunger through the bushing end of the sealing flange bushing.
The scheme discloses an oil cylinder, which solves the problem that the advancing speed of the existing equipment is slow and mainly comprises an oil cylinder body (an outer cylinder body), a plunger (a plunger component), a piston (an inner cylinder piston), a piston rod and the like. The oil is fed from the oil inlet of the inner cylinder, the piston rod assembly drives the plunger component to move forwards quickly, and when the plunger component needs to move slowly, the oil is fed from the speed regulation oil inlet A, high-pressure propulsion is realized, and the effect of driving the large oil cylinder to advance in an accelerated manner through the small oil cylinder is realized. Based on the characteristics, compared with the existing similar products, the oil hydraulic cylinder has substantial characteristics and progress.
The present hydraulic cylinder is not limited to the disclosure of the specific embodiments, the technical solutions presented in the examples can be extended based on the understanding of those skilled in the art, and the simple alternatives made by those skilled in the art according to the present solution in combination with the common general knowledge also belong to the scope of the present solution.
Claims (6)
1. An oil hydraulic cylinder is characterized by comprising an outer cylinder body, an inner cylinder body and a plunger component, wherein the inner cylinder body is arranged in the outer cylinder body, the top opening of the inner cylinder body is hermetically connected with the bottom opening of the outer cylinder body to form an inner cylinder cavity in the inner cylinder body and an outer cylinder cavity between the inner cylinder body and the outer cylinder body, an inner cylinder sealing cover is arranged on the top opening of the inner cylinder body in a covering manner, an inner cylinder oil inlet is formed in the inner cylinder sealing cover, the plunger component comprises a plunger outer cylinder body and a piston rod component, the piston rod component comprises a piston rod, an inner cylinder piston is arranged at the end of one end of the piston rod, the other end of the piston rod extends into the plunger outer cylinder body to be hermetically connected with the inner bottom of the plunger outer cylinder body, the top opening end of the plunger outer cylinder body extends into the outer cylinder cavity from the top opening of the outer cylinder body to, one end of the piston rod extends into the inner cylinder cavity from the bottom of the inner cylinder body, the inner cylinder piston is in sealed sliding connection with the inner side of the inner cylinder body, and oil is injected into the inner cylinder cavity from the inner cylinder oil inlet to push the inner cylinder piston to drive the plunger outer cylinder body to move through the piston rod.
2. The oil hydraulic cylinder as claimed in claim 1, wherein the inner cylinder sealing cover is further provided with a speed-regulating oil inlet a, the speed-regulating oil inlet a is communicated with the bottom of the inner cylinder cavity through a speed-regulating oil inlet pipe a, and oil is injected from the speed-regulating oil inlet a to the bottom of the inner cylinder cavity to regulate the propelling speed of the inner cylinder piston.
3. The oil hydraulic cylinder of claim 1, wherein the inner cylinder sealing cover is further provided with a speed regulation oil inlet B, the speed regulation oil inlet B is communicated with the inner cylinder cavity and the outer cylinder cavity between the plunger outer cylinder bodies through a speed regulation oil inlet pipe B, and the speed regulation oil inlet B injects oil into the outer cylinder cavity to regulate the propelling speed of the plunger outer cylinder body.
4. The oil hydraulic cylinder according to claim 1, wherein a connecting outer ring brim is arranged at the top opening of the inner cylinder body, a plurality of inner thread through holes are formed in the connecting outer ring brim in the circumferential direction, a connecting inner ring brim is arranged at the bottom opening of the outer cylinder body, a plurality of inner thread counter bores are formed in the connecting inner ring brim in the circumferential direction, the inner thread through holes and the inner thread counter bores form inner and outer thread connection through bolts, and the top opening of the inner cylinder body and the bottom opening of the outer cylinder body are connected in a sealing manner through the inner and outer thread.
5. The oil hydraulic cylinder as claimed in claim 1, wherein a connecting outer ring brim is welded to the outer side of the top opening of the outer cylinder body along the circumferential direction.
6. The oil hydraulic cylinder as claimed in claim 5, wherein a sealing flange bushing is disposed between an inner side of the top opening of the outer cylinder and the plunger outer cylinder, a flange end of the sealing flange bushing is fixedly connected to the outer ring flange, and an inner side of the outer cylinder is connected to the plunger outer cylinder in a sealing sliding manner through a bushing end of the sealing flange bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721029.3U CN212003805U (en) | 2019-10-15 | 2019-10-15 | Oil hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921721029.3U CN212003805U (en) | 2019-10-15 | 2019-10-15 | Oil hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212003805U true CN212003805U (en) | 2020-11-24 |
Family
ID=73412795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921721029.3U Active CN212003805U (en) | 2019-10-15 | 2019-10-15 | Oil hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212003805U (en) |
-
2019
- 2019-10-15 CN CN201921721029.3U patent/CN212003805U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201906 Fulian 2nd Road, Gucun No.1 Industrial Park, Baoshan District, Shanghai Patentee after: Shanghai Deren Rubber & Plastic Machinery Co.,Ltd. Address before: 201906 Fulian 2nd Road, Gucun No.1 Industrial Park, Baoshan District, Shanghai Patentee before: SHANGHAI DEREN RUBBER & PLASTIC MACHINERY Co.,Ltd. |