CN106321557A - Hydraulic cylinder - Google Patents
Hydraulic cylinder Download PDFInfo
- Publication number
- CN106321557A CN106321557A CN201610886051.8A CN201610886051A CN106321557A CN 106321557 A CN106321557 A CN 106321557A CN 201610886051 A CN201610886051 A CN 201610886051A CN 106321557 A CN106321557 A CN 106321557A
- Authority
- CN
- China
- Prior art keywords
- chamber
- cylinder
- cylinder body
- muff
- hydraulic
- 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
- F15B15/1485—Special measures for cooling or heating
-
- 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
- F15B15/1447—Pistons; Piston to piston rod assemblies
-
- 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
- F15B15/20—Other details, e.g. assembly with regulating devices
Abstract
The invention provides a hydraulic cylinder. A cylinder head and a cylinder tail are arranged at the two ends of a cylinder body, the cylinder body is sleeved with a detachable heat insulation sleeve, the interior of the heat insulation sleeve is divided into a first cavity and a second cavity through a partition layer, an inlet and an outlet are formed in one end of the heat insulation sleeve, the inlet is communicated with the first cavity, and the outlet is communicated with the second cavity; a communication opening is formed in the partition layer and is communicated with the first cavity and the second cavity; a hydraulic cavity is formed by the cylinder head, the cylinder body and the cylinder tail, a piston and a piston rod are arranged in the hydraulic cavity, and the end of the piston rod stretches out of the cylinder head; a third cavity is formed in the piston, a first runner and a second runner are arranged in the piston rod, and the first runner and the second runner are communicated with the third cavity; the first runner and the second runner are arranged at the end of the piston rod in an opened manner. A temperature sensor is arranged in the piston. According to the hydraulic cylinder, the utilization efficiency of heating fluid can be improved, the heat insulation sleeve and the cylinder body are detachable, the heat insulation sleeve is used on occasion with the need, the heat insulation sleeve can be detached on occasion without the need, and use is convenient.
Description
Technical field
The present invention relates to technical field of hydraulic pressure, specifically a kind of hydraulic cylinder.
Background technology
The structure of hydraulic cylinder has the structures such as the metal material structure such as piston and housing and sealing member, in room temperature state
Under, hydraulic cylinder can normally work, and sealing is good.But when temperature is reduced to a certain degree, such as under-40 DEG C
Time, the metal material that sealing member can not realize enough sealings, the material of conventional sealing member and housing, piston etc. conventional again exists
All can not use under this low temperature condition or can only limited use.Some materials that can use at low temperatures are due to valency
Lattice costliness is also not widely used.
Prior art has the mode that hydraulic cylinder is heated by the mode using electric heating cover, but this mode is uncomfortable
Use together in anti-explosion area, and install the most cumbersome.
Summary of the invention
The present invention proposes a kind of hydraulic cylinder, and when solving hydraulic cylinder low temperature of the prior art, cisco unity malfunction asks
Topic.
The technical scheme is that and be achieved in that:
A kind of hydraulic cylinder, including cylindrical cylinder body, the two ends of described cylinder body are respectively cylinder head and cylinder tail；
Being arranged with the muff of dismountable cylinder on described cylinder body, the inside of described muff is divided into by separate layer
First chamber and the second chamber, it is peripheral that described first chamber is centered around described cylinder body, and it is peripheral that described second chamber is centered around described first chamber；
One end of described muff is provided with entrance and exit, and described entrance connects with described first chamber, described outlet and institute
State the second chamber connection；Away from being communicated with mouth on the described separate layer of described entrance and exit, described connected entrance and described first
Chamber connects with the second chamber；
Described cylinder head, cylinder body and cylinder urogenesis hydraulic cavities；Described cylinder head is provided with the first oil duct, described first oil duct and institute
State hydraulic chamber into communication；Described cylinder tail is provided with the second oil duct, described second oil duct and described hydraulic chamber into communication；
Being provided with piston and piston rod in described hydraulic cavities, described cylinder head is stretched out in the end of piston rod；
It is provided with the 3rd chamber in described piston, in described piston rod, is provided with first flow and the second runner, described first flow
Connect with described 3rd chamber with the second runner；Described first flow and the second runner are opened on the end of described piston rod；
Being provided with temperature sensor in described piston, described piston rod inner is located on the lead-in wire edge of described temperature sensor, and
Drawn by the end of described piston rod.
Further, threaded between described muff with described cylinder body.
Further, the described cylinder body at described muff two ends is screwed with fixture respectively.
Further, described connected entrance was circular, around described cylinder body one week.
Further, described first intracavity is provided with the first baffle plate, described first baffle plate be crisscross arranged in described muff and
On separate layer.
Further, described second intracavity is provided with second baffle, described second baffle be crisscross arranged in described muff and
On separate layer.
Further, described first baffle plate and second baffle were annular plate, around described cylinder body one week.
The invention have the benefit that
The present invention designs simply, compact conformation, and volume is little；The double-deck design in first chamber and the second chamber so that heating
Fluid can first pass through the first chamber and enter back into the second chamber, improves the utilization ratio adding hot fluid, and adds hot fluid through first
Discharging a part of heat during chamber, temperature reduces, and enters back into the second intracavity and continues release heat, forms temperature gradually the most from the inside to the outside
The thermograde reduced；First baffle plate and the design of second baffle, increase the area of heat exchange, improves heat exchanger effectiveness；Connected entrance
For circular, improve the first chamber and the second intracavity portion adds the distributing homogeneity of hot fluid, improve heat exchange efficiency；Muff and cylinder body
Between detachable, use muff in the occasion needed, it is not necessary to occasion muff can be dismantled, easy to use.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation of one embodiment of the invention.
Wherein:
1, cylinder body；2, cylinder head；3, cylinder tail；4, muff；5, separate layer；6, the first chamber；7, the second chamber；8, entrance；9, go out
Mouthful；10, connected entrance；11, hydraulic cavities；12, the first oil duct；13, the second oil duct；14, piston；15, piston rod；16, piston rod
End；17, the 3rd chamber；18, first flow；19, the second runner；20, temperature sensor；21, lead-in wire；22, the first baffle plate；23、
Second baffle；24, fixture.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
As it is shown in figure 1, the hydraulic cylinder in the present embodiment, including cylinder body 1, described cylinder body 1 is cylindrical, described cylinder body 1
Two ends are respectively cylinder head 2 and cylinder tail 3；Being arranged with dismountable muff 4 on described cylinder body 1, described muff 4 is cylindrical,
The inside of described muff 4 is divided into the first chamber 6 and the second chamber 7 by separate layer 5, and described first chamber 6 is centered around outside described cylinder body 1
Enclosing, it is peripheral that described second chamber 7 is centered around described first chamber 6.
One end of described muff 4 is provided with entrance 8 and outlet 9, and described entrance 8 connects with described first chamber 6, described outlet
9 connect with described second chamber 7；In order to improve heat exchange efficiency, entrance 8 and outlet 9 are provided close to the position of the limit end of muff 4；
Mouth 10 it is communicated with, described connected entrance 10 and described first chamber 6 and the on described separate layer 5 away from described entrance 8 and outlet 9
Two chambeies 7 connect, and in order to improve heat exchange efficiency, connected entrance 10 is provided close to the position of the limit end of described separate layer 5, away from described enter
Mouth 8 and one end of outlet 9, so make to add hot fluid and turn back in the first chamber 6 and the second chamber 7.
Described cylinder head 2, cylinder body 1 and cylinder tail 3 form hydraulic cavities 11；Described cylinder head 2 is provided with the first oil duct 12, and described first
Oil duct 12 connects with described hydraulic cavities 11, and the first oil duct 12 is for carrying out hydraulic oil exchange with hydraulic cavities 11；Set on described cylinder tail 3
Having the second oil duct 13, described second oil duct 13 to connect with described hydraulic cavities 11, the second oil duct 13 is for carrying out liquid with hydraulic cavities 11
Force feed exchanges.
Being provided with piston 14 and piston rod 15 in described hydraulic cavities 11, described piston 14 is connected with piston rod 15, piston rod
It is outside that described cylinder head 2 is stretched out in end 16.
It is provided with the 3rd chamber 17 in described piston 14, in described piston rod 15, is provided with first flow 18 and the second runner 19, institute
State first flow 18 to connect with described 3rd chamber 17 with the second runner 19；Described first flow 18 and the second runner 19 are opened on institute
State the end 16 of piston rod, then can be that the 3rd chamber 17 carries out heating fluid loop by first flow 18 and the second runner 19.
Being provided with temperature sensor 20 in described piston 14, the lead-in wire 21 of described temperature sensor 20 is along being located at described piston rod
15 is internal, and is drawn by the end 16 of described piston rod.Temperature sensor 20 is located in piston 14, in can measuring more accurately
Portion's temperature, can carry out adding the conveying situation of hot fluid according to the temperature conditions of temperature sensor 20 feedback.
In the present embodiment, threadeding between described muff 4 with described cylinder body 1, muff 4 can directly be screwed to institute
State the outside of cylinder body 1, in order to muff 4 is fixed further, the described cylinder body 1 at described muff 4 two ends is screwed with respectively
Fixture 24, muff 4 is clamped in middle fixing by the fixture 24 of both sides.
In the present embodiment, described connected entrance 10 was circular, around described cylinder body 1 one weeks.Connected entrance 10 is circular, can
To improve the internal distributing homogeneity adding hot fluid in the first chamber 6 and the second chamber 7 so that have on whole circumference and add hot fluid warp
Cross, improve heat exchange efficiency and uniformity.
In the present embodiment, being provided with the first baffle plate 22 in described first chamber 6, described first baffle plate 22 is crisscross arranged in described guarantor
On temperature set 4 and separate layer 5.Being provided with second baffle 23 in described second chamber 7, described second baffle 23 is crisscross arranged in described insulation
On set 4 and separate layer 5.Described first baffle plate 22 and second baffle 23 were annular plate, around described cylinder body 1 one weeks.First baffle plate
22 and the design of second baffle 23, increase the area of heat exchange, improve heat exchanger effectiveness；And be crisscross arranged so that add hot-fluid
Body weaves in the first chamber 6 and the second chamber 7, has the time of abundance to carry out heat exchange.
When the present embodiment uses, use if under normal temperature environment, it is not necessary to heat, then need not insulation is installed
Set 4, hydraulic cylinder can be used alone, and reduces dimensional footprint；When using under extreme low temperature environment, by muff 4 spiral shell
Close outside cylinder body 1, and screw togather the fixture 24 of both sides, can normally use after installing.
When using under extreme low temperature environment, adding hot fluid can be to add hot liquid or add hot gas, adds hot fluid by entering
Mouth 8 enters the first chambeies 6, then weaves in the first baffle plate 22 region, and release major part heat, temperature reduces, arrival
Entered the second chamber 7 by connected entrance 10 at connected entrance 10, then weave in second baffle 23 region, again discharge heat
Amount, temperature continues to reduce, then by outlet 9 discharge.First chamber 6 and the second double-deck design in chamber 7 so that adding hot fluid can
Enter back into the second chamber 7 first passing through the first chamber 6, twice heat exchange, improves the utilization ratio adding hot fluid；And add hot fluid in process
Discharging a part of heat during the first chamber 6, temperature reduces, and continues the heat within release, the most from the inside to the outside in entering back into the second chamber 7
Forming the thermograde that temperature is gradually lowered, the second outside chamber 7 provides temperature protection for the first internal chamber 6, whereas if
Adding hot fluid to first pass through the second chamber 7 and then can not realize thermograde through the first chamber 6 again, the amount of heat adding hot fluid can be by outward
Portion's environment is absorbed, it is difficult to arrive satisfied heats.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (7)
1. a hydraulic cylinder, it is characterised in that including the cylinder body of cylinder, the two ends of described cylinder body are respectively cylinder head and cylinder tail；
Being arranged with the muff of dismountable cylinder on described cylinder body, the inside of described muff is divided into first by separate layer
Chamber and the second chamber, it is peripheral that described first chamber is centered around described cylinder body, and it is peripheral that described second chamber is centered around described first chamber；
One end of described muff is provided with entrance and exit, and described entrance connects with described first chamber, described outlet and described the
Two chamber connections；Away from being communicated with mouth on the described separate layer of described entrance and exit, described connected entrance and described first chamber and
Second chamber connection；
Described cylinder head, cylinder body and cylinder urogenesis hydraulic cavities；Described cylinder head is provided with the first oil duct, described first oil duct and described liquid
The connection of pressure chamber；Described cylinder tail is provided with the second oil duct, described second oil duct and described hydraulic chamber into communication；
Being provided with piston and piston rod in described hydraulic cavities, described cylinder head is stretched out in the end of piston rod；
It is provided with the 3rd chamber in described piston, in described piston rod, is provided with first flow and the second runner, described first flow and
Two runners connect with described 3rd chamber；Described first flow and the second runner are opened on the end of described piston rod；
Being provided with temperature sensor in described piston, described piston rod inner is located on the lead-in wire edge of described temperature sensor, and by institute
The end stating piston rod is drawn.
2. hydraulic cylinder as claimed in claim 1, it is characterised in that threaded between described muff with described cylinder body.
3. hydraulic cylinder as claimed in claim 2, it is characterised in that be screwed with respectively on the described cylinder body at described muff two ends
Fixture.
4. hydraulic cylinder as claimed in claim 3, it is characterised in that described connected entrance is circular, around described cylinder body one week.
5. hydraulic cylinder as claimed in claim 4, it is characterised in that described first intracavity is provided with the first baffle plate, described first gear
Plate is crisscross arranged on described muff and separate layer.
6. hydraulic cylinder as claimed in claim 5, it is characterised in that described second intracavity is provided with second baffle, described second gear
Plate is crisscross arranged on described muff and separate layer.
7. hydraulic cylinder as claimed in claim 6, it is characterised in that described first baffle plate and second baffle are annular plate, around
Described cylinder body one week.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886051.8A CN106321557A (en) | 2016-10-10 | 2016-10-10 | Hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610886051.8A CN106321557A (en) | 2016-10-10 | 2016-10-10 | Hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106321557A true CN106321557A (en) | 2017-01-11 |
Family
ID=57820423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610886051.8A Pending CN106321557A (en) | 2016-10-10 | 2016-10-10 | Hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106321557A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK145749B (en) * | 1980-12-23 | 1983-02-14 | S & S International Cylinders | METHOD FOR MANUFACTURING HYDRAULIC TELESCOPE CYCLES |
| JP2013007405A (en) * | 2011-06-22 | 2013-01-10 | Hashimoto Engineering Kk | Heat-resistant piston-cylinder apparatus |
| CN103452955A (en) * | 2013-09-24 | 2013-12-18 | 中国工程物理研究院化工材料研究所 | Lower end cover structure for thermal isostatic pressing working cylinder |
| CN203809411U (en) * | 2014-04-29 | 2014-09-03 | 哈尔滨通用液压机械制造有限公司 | Electric heating hydraulic oil cylinder used in low-temperature environment |
| CN203962213U (en) * | 2014-06-25 | 2014-11-26 | 德州学院 | A kind of fuel tank heater of water-electricity integrated |
| CN204127018U (en) * | 2014-09-15 | 2015-01-28 | 常州力安液压设备有限公司 | Waterproof hydraulic cylinder |
| CN104565358A (en) * | 2013-10-17 | 2015-04-29 | 罗伯特·博世有限公司 | Hydraulic cylinder |
-
2016
- 2016-10-10 CN CN201610886051.8A patent/CN106321557A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK145749B (en) * | 1980-12-23 | 1983-02-14 | S & S International Cylinders | METHOD FOR MANUFACTURING HYDRAULIC TELESCOPE CYCLES |
| JP2013007405A (en) * | 2011-06-22 | 2013-01-10 | Hashimoto Engineering Kk | Heat-resistant piston-cylinder apparatus |
| CN103452955A (en) * | 2013-09-24 | 2013-12-18 | 中国工程物理研究院化工材料研究所 | Lower end cover structure for thermal isostatic pressing working cylinder |
| CN104565358A (en) * | 2013-10-17 | 2015-04-29 | 罗伯特·博世有限公司 | Hydraulic cylinder |
| CN203809411U (en) * | 2014-04-29 | 2014-09-03 | 哈尔滨通用液压机械制造有限公司 | Electric heating hydraulic oil cylinder used in low-temperature environment |
| CN203962213U (en) * | 2014-06-25 | 2014-11-26 | 德州学院 | A kind of fuel tank heater of water-electricity integrated |
| CN204127018U (en) * | 2014-09-15 | 2015-01-28 | 常州力安液压设备有限公司 | Waterproof hydraulic cylinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6606375B2 (en) | Integrated EGR cooler and integrated EGR cooling system including the same | |
| CN104501632B (en) | A kind of arc plate type heat exchanger | |
| WO2010022032A3 (en) | Windshield washer fluid heater and system | |
| IT201800003444A1 (en) | HEAT EXCHANGE CELL FOR A HEATING BOILER | |
| RU2548219C1 (en) | Heat exchanger, particularly for vehicle heater | |
| CN210512762U (en) | Flow guide pipe of radiator | |
| CN108888221A (en) | Integrated heating pump and dish-washing machine | |
| CN206992861U (en) | Motor case and there is its motor | |
| CN106321557A (en) | Hydraulic cylinder | |
| CN108448786B (en) | A kind of water cooling motor housing and its manufacturing method of water channel rolling fitting | |
| CN207368798U (en) | A kind of cooling device on New energy automobile motor | |
| US20220290893A1 (en) | Direct-Heating Type Heater | |
| CN205481706U (en) | When temperature field electric heating pipe | |
| CN205878955U (en) | Air heating water tank for air conditioner | |
| CN104457343B (en) | A kind of tubular arc heat exchange plate type heat-exchanger rig | |
| CN105605765A (en) | Instant electromagnetic water heater and electric water heater | |
| ITBG20080037A1 (en) | DEVICE FOR DISCHARGE AND FUME RECOVERY OF A BOILER. | |
| CN207350781U (en) | Instant electric water heater | |
| CN109665480A (en) | Water treatment facilities | |
| US20100187215A1 (en) | Energy saving stove water heater | |
| CN216953513U (en) | Water storage type electric water heater | |
| CN106679156A (en) | Efficient electric heater | |
| CN211289988U (en) | Steam generator | |
| CN106595345A (en) | Heat exchanger assembly | |
| CN216489989U (en) | Motor casing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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: 20170111 |