CN110345124A - A kind of internal pressurization oil cylinder - Google Patents
A kind of internal pressurization oil cylinder Download PDFInfo
- Publication number
- CN110345124A CN110345124A CN201910675070.XA CN201910675070A CN110345124A CN 110345124 A CN110345124 A CN 110345124A CN 201910675070 A CN201910675070 A CN 201910675070A CN 110345124 A CN110345124 A CN 110345124A
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- oil
- oil circuit
- fixed column
- outer cylinder
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The present invention provides a kind of internal pressurization oil cylinders, including inside and outside cylinder body and fixed column.Outer cylinder body bottom end is provided with first through hole, the cylinder body of outer cylinder body be formed be connected into, the first of oil outlet, second oil circuit, annular groove is formed on outer cylinder body inner wall, inner cylinder body is inserted in outer cylinder body, the bottom of inner cylinder body is provided with the second through-hole, between the outer wall and annular groove of the inner cylinder body and bottom end of inner cylinder body is connected to the first receiving space of the first oil circuit with being formed between outer cylinder body inner bottom, inner cylinder body top is equipped with cylinder cap, fixed column is inserted in the second through-hole, fixed column is fixed in first through hole, fixed column second end is formed with the lug boss that sealing is inserted in inner cylinder body, it is enclosed between inner cylinder body and fixed column and sets to form the second accommodation space, it is formed with third oil circuit in fixed column and is connected to the second oil circuit, 4th oil circuit of the second accommodation space, third oil circuit one end is connected to first receiving space, medial surface of the other end against cylinder cap.Oil cylinder in the present invention can realize internal pressurization.
Description
Technical field
The present invention relates to oil cylinder fields, and in particular to a kind of internal pressurization oil cylinder.
Background technique
Oil cylinder in the prior art generally passes through oil pressure and resists piston, and the movement of piston is realized by disengaging oil.But this
Kind hydraulic driving mode often will appear oil pressure deficiency and lead to the mobile difficult situation of piston.Currently, being needed on metallurgical equipment
Want the biggish hydraulic cylinder of driving force, it is therefore necessary to redesign to existing cylinder structure, designing one kind can be
It is pressurized inside oil cylinder to improve the oil cylinder of hydraulic cylinder thrust.
Summary of the invention
In view of the foregoing, the present invention provides a kind of internal pressurization oil cylinder, cylinder thrust can be increased.
To achieve the above object, the invention discloses a kind of internal pressurization oil cylinders, comprising:
Outer cylinder body, the bottom end of the outer cylinder body offer first through hole, the outer wall of the outer cylinder body be equipped with oil inlet and
Oil outlet is formed with the of the first oil circuit for being connected to the oil inlet and the connection oil outlet in the cylinder body of the outer cylinder body
Two oil circuits are formed with the annular groove for extending to outer cylinder body inner bottom on the inner sidewall of the outer cylinder body；
Inner cylinder body, sealing are inserted in the outer cylinder body, and the bottom of the inner cylinder body offers logical corresponding to described first
Second through-hole in hole, between the outer wall of the inner cylinder body and the annular groove and bottom end of the inner cylinder body and the outer cylinder body
The first receiving space for being connected to first oil circuit is formed between inner bottom, the end sealing of the inner cylinder body is equipped with cylinder
Lid；And
Fixed column, the fixed column sealing are inserted in second through-hole, and can be moved along second through-bore axis,
The first end of the fixed column is fixed in the first through hole, and the second end of the fixed column is formed under the cylinder cap
The lug boss of side, the lug boss sealing are inserted in the inner cylinder body, enclose between the inner cylinder body and the fixed column and set shape
At the second accommodation space, third oil circuit and the 4th oil circuit are formed in the fixed column, the first port of the third oil circuit connects
Pass through the first receiving space, medial surface of the second port of the third oil circuit against the cylinder cap, the 4th oil circuit
First port be connected to second oil circuit, the second port of the 4th oil circuit is connected to second accommodation space.
The beneficial effects of the present invention are: by oil inlet oil inlet, oil outlet is fuel-displaced so that hydraulic oil push inner cylinder body to
Front slide (ejection), the first active force (thrust) due to inner cylinder body by hydraulic oil in first receiving space, cylinder cap is by
The second active force (thrust) of hydraulic oil in three oil circuits, and inner cylinder body is fixedly connected with cylinder cap, therefore inner cylinder body (or cylinder cap)
By dual active force, the pressurization inside oil cylinder is realized with this, bigger thrust can be provided.
A kind of internal pressurization oil cylinder of the present invention further improvement lies in that, first oil circuit includes being formed in the outer shell
First point of oil circuit and second point of oil circuit in the cylinder body of body, first point of oil communication is in the oil inlet, and described second point
Oil communication is equipped with hydraulic lock between the first receiving space, first point of oil circuit and second point of oil circuit, described hydraulic
Lock is laid in the outside of the outer cylinder body.It ensure that the hydraulic stability for having flowing, continuity, hydraulic oil by the way that hydraulic lock is arranged
Be not in adverse current situation, play the role of pressure maintaining, the first oil circuit, hydraulic lock and second point of oil circuit are sequentially connected in series setting.
A kind of internal pressurization oil cylinder of the present invention further improvement lies in that, further include for detecting in first accommodating chamber
Portion's oil pressure in line pressure sensor.It is used to monitor the oil pressure in the first accommodating chamber in line pressure sensor.
A kind of internal pressurization oil cylinder of the present invention further improvement lies in that, a push plate is connected at the top of the cylinder cap.It is logical
Setting push plate is crossed to support for realizing branch to contact object.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of internal pressurization oil cylinder of the present invention.
Specific embodiment
For the benefit of to understanding of the invention, it is illustrated with reference to the accompanying drawings and embodiments.
Refering to fig. 1 it is found that the invention discloses a kind of internal pressurization oil cylinder, including outer cylinder body 1, inner cylinder body 2 and fixed column
4；Wherein, the bottom end of outer cylinder body 1 offers first through hole 11, and the outer wall of outer cylinder body 1 is equipped with oil inlet 12 and oil outlet 13, outside
It is formed with the first oil circuit 14 of connection oil inlet 12 in the cylinder body of cylinder body 1 and is connected to the second oil circuit of oil outlet 13, the first oil
Road 14 includes the first point of oil circuit and second point of oil circuit being formed in the cylinder body of outer cylinder body 1, and first point of oil communication is in oil inlet
12, second point of oil communication is equipped with hydraulic lock 7, hydraulic lock between first receiving space 5, first point of oil circuit and second point of oil circuit
7 are laid in the outside of outer cylinder body 1；The annular groove 15 for extending to 1 inner bottom of outer cylinder body is formed on the inner sidewall of outer cylinder body 1,
The sealing of inner cylinder body 2 is inserted in outer cylinder body 1, and the bottom of inner cylinder body 2 offers the second through-hole corresponding to first through hole 11, inner casing
The first oil of connection is formed between the outer wall and annular groove 15 of body 2 and between 1 inner bottom of bottom end and outer cylinder body of inner cylinder body 2
The first receiving space 5 on road 14, the end sealing of inner cylinder body 2 are equipped with cylinder cap 3, and the sealing of fixed column 4 is inserted in the second through-hole,
And can be moved along the second through-bore axis, the first end of fixed column 4 is fixed in first through hole 11, and the second end of fixed column 4 is formed
There is the lug boss 41 for being located at 3 lower section of cylinder cap, the sealing of lug boss 41 is inserted in inner cylinder body 2, encloses between inner cylinder body 2 and fixed column 4
If forming the second accommodation space 6, third oil circuit 42 and the 4th oil circuit 43, the first end of third oil circuit 42 are formed in fixed column 4
Mouth is connected to first receiving space 5, the second port of third oil circuit 42 against cylinder cap 3 medial surface, the first of the 4th oil circuit 43
Port is connected to the second oil circuit, and the second port of the 4th oil circuit 43 is connected to the second accommodation space 6.Specifically, 1 inside of outer cylinder body
Bottom end is formed with protrusion 16, and the size of protrusion 16 is less than the size of 2 bottom end of inner cylinder body, avoids the bottom of inner cylinder body 2 in use process
End when be bonded completely with 1 inner bottom of outer cylinder body inner cylinder body 2 can not be ejected in time, lead in oil cylinder that oil pressure is excessive and generation is pacified
Full hidden danger.
Preferably, further include for detect the first accommodating chamber internal oil pressure in line pressure sensor 8.Specifically, online
The measuring head of pressure sensor 8 is built in the first accommodating chamber or is built in the space being connected with the first accommodating chamber, is used for
The oil pressure in the first accommodating chamber is detected in real time.
Preferably, the top of cylinder cap 3 is connected with a push plate 9, support for branch to top retainer component, avoid to top retainer component directly with it is interior
Cylinder body 2 or cylinder cap 3 directly contact.
In the present invention, internal screw thread is formed in first through hole 11, the first end of fixed column 4, which is formed with, is matched with internal screw thread
External screw thread, the first end of fixed column 4 are threadedly connected in first through hole 11, and are fastened by nut, and nut is laid in outer cylinder body 1
Outer lower end (not shown).
Concrete operating principle of the invention:
(1) when cylinder ejector:
Hydraulic oil enters the first oil circuit 14 from oil inlet 12, enters the first accommodating chamber and third oil circuit along the first oil circuit 14
In 42, the hydraulic oil in the first accommodating chamber applies the first active force ejected upwards to inner cylinder body 2 at this time, in third oil circuit 42
Hydraulic oil reaches the bottom face of cylinder cap 3 through third oil circuit 42, and applies equidirectional second active force to cylinder cap 3, due to inner casing
Body 2 is fixedly connected with cylinder cap 3, so inner cylinder body 2 and cylinder cap 3 are realized inside oil cylinder by double active force (or thrust) with this
Pressurization, improve the thrust of oil cylinder；At the same time, the volume of the second accommodating chamber is gradually reduced, the hydraulic oil in the second accommodating chamber
It is discharged through the 4th oil circuit 43, the second oil circuit from oil outlet 13.
(2) when oil cylinder is shunk:
Hydraulic oil enters from oil outlet 13, successively enters in the second accommodating chamber through the second oil circuit and the 4th oil circuit 43, so that
The volume of second accommodating chamber is gradually increased, and the hydraulic oil stored in accommodation space between 4 second end of cylinder cap 3 and fixed column is through third
Oil circuit 42 reaches in the first accommodating chamber, is then discharged through the first oil circuit 14 from oil inlet 12, realizes the receipts of oil cylinder (inner cylinder body 2)
Contracting.
The above is only presently preferred embodiments of the present invention, not do limitation in any form to the present invention, although this
Invention has been disclosed in a preferred embodiment above, and however, it is not intended to limit the invention, any person skilled in the art,
In the range of not departing from technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to
With the equivalent embodiment of variation, but anything that does not depart from the technical scheme of the invention content, according to the technical essence of the invention to
Any simple modification, equivalent change and modification made by upper embodiment, all of which are still within the scope of the technical scheme of the invention.
It should be noted that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The bright revealed content of book is not intended to limit the invention enforceable limit so that those skilled in the art understands and reads
Fixed condition, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, not
It influences still fall in disclosed technology contents under the effect of present invention can be generated and the purpose that can reach
In the range of capable of covering.
Claims (5)
1. a kind of internal pressurization oil cylinder characterized by comprising
Outer cylinder body, the bottom end of the outer cylinder body offer first through hole, and the outer wall of the outer cylinder body is equipped with oil inlet and fuel-displaced
Mouthful, the second oil of the first oil circuit for being connected to the oil inlet and the connection oil outlet is formed in the cylinder body of the outer cylinder body
Road is formed with the annular groove for extending to outer cylinder body inner bottom on the inner sidewall of the outer cylinder body；
Inner cylinder body, sealing are inserted in the outer cylinder body, and the bottom of the inner cylinder body is offered corresponding to the first through hole
Second through-hole, inside between the outer wall of the inner cylinder body and the annular groove and bottom end of the inner cylinder body and the outer cylinder body
The first receiving space for being connected to first oil circuit is formed between bottom end, the end sealing of the inner cylinder body is equipped with cylinder cap；
And
Fixed column, the fixed column sealing are inserted in second through-hole, and can be moved along second through-bore axis, described
The first end of fixed column is fixed in the first through hole, and the second end of the fixed column is formed with below the cylinder cap
Lug boss, lug boss sealing are inserted in the inner cylinder body, are enclosed between the inner cylinder body and the fixed column and are set to form the
Two accommodation spaces are formed with third oil circuit and the 4th oil circuit in the fixed column, and the first port of the third oil circuit is connected to
The first receiving space, the second port of the third oil circuit against the cylinder cap medial surface, the of the 4th oil circuit
Single port is connected to second oil circuit, and the second port of the 4th oil circuit is connected to second accommodation space.
2. a kind of internal pressurization oil cylinder according to claim 1, it is characterised in that: first oil circuit includes being formed in institute
The first point of oil circuit and second point of oil circuit in the cylinder body of outer cylinder body are stated, first point of oil communication is described in the oil inlet
Second point of oil communication is equipped with hydraulic lock, institute between the first receiving space, first point of oil circuit and second point of oil circuit
State the outside that hydraulic lock is laid in the outer cylinder body.
3. a kind of internal pressurization oil cylinder according to claim 1, it is characterised in that: further include holding for detecting described first
Receive chamber internal oil pressure in line pressure sensor.
4. a kind of internal pressurization oil cylinder according to claim 1, it is characterised in that: the outer cylinder body inner lower edge is formed with
Protrusion, the size of the protrusion are less than the size of the inner cylinder body bottom end.
5. a kind of internal pressurization oil cylinder according to claim 1, it is characterised in that: be connected with one at the top of the cylinder cap and push away
Plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910675070.XA CN110345124A (en) | 2019-07-25 | 2019-07-25 | A kind of internal pressurization oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910675070.XA CN110345124A (en) | 2019-07-25 | 2019-07-25 | A kind of internal pressurization oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110345124A true CN110345124A (en) | 2019-10-18 |
Family
ID=68179961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910675070.XA Pending CN110345124A (en) | 2019-07-25 | 2019-07-25 | A kind of internal pressurization oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110345124A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2841117A (en) * | 1955-07-11 | 1958-07-01 | Senn Charles | Pressure fluid servomotor |
| US5299489A (en) * | 1991-05-17 | 1994-04-05 | Reo Hydraulic Pierce & Form | Pressure cylinder with low tolerance fit capable of supporting large transverse loads |
| EP1247995A1 (en) * | 2001-04-06 | 2002-10-09 | Heidel GmbH & Co. KG, Werkzeug- u. Maschinenfabrikation | Hydraulic linear slider |
| CN1877139A (en) * | 2005-09-12 | 2006-12-13 | 叶孙勇 | Leakless combined oil cylinder |
| CN102434524A (en) * | 2011-11-25 | 2012-05-02 | 谢建华 | Reciprocated plunger boost cylinder |
-
2019
- 2019-07-25 CN CN201910675070.XA patent/CN110345124A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2841117A (en) * | 1955-07-11 | 1958-07-01 | Senn Charles | Pressure fluid servomotor |
| US5299489A (en) * | 1991-05-17 | 1994-04-05 | Reo Hydraulic Pierce & Form | Pressure cylinder with low tolerance fit capable of supporting large transverse loads |
| EP1247995A1 (en) * | 2001-04-06 | 2002-10-09 | Heidel GmbH & Co. KG, Werkzeug- u. Maschinenfabrikation | Hydraulic linear slider |
| CN1877139A (en) * | 2005-09-12 | 2006-12-13 | 叶孙勇 | Leakless combined oil cylinder |
| CN102434524A (en) * | 2011-11-25 | 2012-05-02 | 谢建华 | Reciprocated plunger boost cylinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103764516B (en) | Spue container | |
| CN100498022C (en) | Multifunctional two-way fluid check valve | |
| WO2006009717A3 (en) | Collapsible fluid container | |
| CN205533470U (en) | Liquid booster mechanism that pressurizes in succession | |
| WO2005093378A3 (en) | Annular capacitive pressure sensor | |
| WO2001075312A3 (en) | Hydraulic fluid accumulator | |
| DE102013100512A1 (en) | Air pump with air pressure measurement | |
| CN201241716Y (en) | Single-inlet liquid return orifice double-telescoping upright post | |
| CN110345124A (en) | A kind of internal pressurization oil cylinder | |
| CN103693298A (en) | Container and method for taking out object contained in container | |
| CN201982265U (en) | Grading variable axial plunger pump | |
| CN108167253A (en) | Buffer overflow valve | |
| CN106628664A (en) | Liquid medicine package box capable of accurate dosage | |
| CN207935184U (en) | A kind of gas-liquid is compound from pressurized fuel tank | |
| WO2006064976A3 (en) | Fuel container, fuel residual amount measurement device, and fuel residual amount measurement method | |
| CN104527111B (en) | High-precision and strong-power hydraulic machine | |
| CN207634590U (en) | Small-size low-rigidity air bag spring | |
| CN103175509B (en) | Measuring cable and the system of measurement | |
| CN102588376A (en) | Hydraulic control one-way valve with unloading valve core | |
| CN206945215U (en) | A kind of Vehicular pressure sensor assembling shell | |
| CN202215733U (en) | Safe pressure water storage barrel for water purification system | |
| EP1820653A3 (en) | Liquid container | |
| CN201311521Y (en) | Liquid optical wedge compensator capable of automatically leveling | |
| WO2005031903A3 (en) | Power generation device, fuel package, and remaining fuel amount measuring device | |
| CN208887837U (en) | A kind of explosion-resistant enclosure of pressure transmitter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191018 |