CN205478657U - From heat dissipation hydro -cylinder device - Google Patents

From heat dissipation hydro -cylinder device Download PDF

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Publication number
CN205478657U
CN205478657U CN201620240494.5U CN201620240494U CN205478657U CN 205478657 U CN205478657 U CN 205478657U CN 201620240494 U CN201620240494 U CN 201620240494U CN 205478657 U CN205478657 U CN 205478657U
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CN
China
Prior art keywords
temperature
sealing ring
radiator
piston rod
oil
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Expired - Fee Related
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CN201620240494.5U
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Chinese (zh)
Inventor
张春苗
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Jiaxing Vocational and Technical College
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Jiaxing Vocational and Technical College
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Priority to CN201620240494.5U priority Critical patent/CN205478657U/en
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Publication of CN205478657U publication Critical patent/CN205478657U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a from heat dissipation hydro -cylinder device, including two hydro -cylinders and radiator, the hydro -cylinder includes along the oil pocket of axial setting, can follow axial displacement and sets up piston rod subassembly in the oil pocket and the defeated oil pipe who is linked together with the oil pocket, and the radiator has a buffer memory chamber, and the oil pocket of two hydro -cylinders is through defeated oil pipe and buffer memory chamber intercommunication, still including the temperature control system who adjusts the oily temperature of hydraulic pressure, temperature control system including the temperature sensor that is used for monitoring the hydraulic oil temperature, be used for the cooling unit of further reduction hydraulic oil temperature and be used for controlling the temperature controller of hydraulic oil temperature, cooling unit sets up on the radiator, control the control switch that cooling unit starts / closes reaches temperature sensor all with the temperature controller electricity is connected. Adopt the utility model provides a structure can quick reduction hydraulic oil temperature to make its temperature keep setting for below the temperature, guarantee the stability of hydro -cylinder operation, extension hydro -cylinder life.

Description

From heat radiation cylinder apparatus
Technical field
This utility model relates to a kind of from dispelling the heat cylinder apparatus, belongs to cylinder structure design field.
Background technology
Along with the generally enhancing of health perception, increasing people hankers after sport and body-building.According to statistics, exist 1 people is just had in body-building in the middle of the U.S. 8 people.As a example by gymnasium: there are 17800 Duo Jia gymnasiums in the U.S., The most every 10,000 Americans just have a gymnasium, and gather around average 1,000,000 talents of China There is a gymnasium.As a example by treadmill: the U.S. 2.81 hundred million population, annual treadmill sales volume is 300 Ten thousand;Korea S 46,000,000 population, annual sales volume is 1,000,000;And China has 1,300,000,000 populations, one Year sales volume is only 300,000.The exercise industry market of China is the hugest as can be seen here, same body-building The development of industry will drive the sales volume of fitness equipment oil cylinder.This just development for oil cylinder established well Basis, won the prospect of broad mass market.
Oil cylinder can produce substantial amounts of heat in the course of the work, if heat can not distribute in time, then can Cause oil temperature to raise, hydraulic oil viscosity reduce, and then can affect whole cylinder apparatus service life and Serviceability, even results in whole system paralysis time serious.Public affairs in patent documentation CN203756849U Having opened a kind of from heat radiation cylinder damping device, it includes hydraulic cylinder one, hydraulic cylinder two and radiator, institute State hydraulic cylinder one and damping cavity that hydraulic cylinder two all includes in a cylinder body, cylinder body, be plugged in damping cavity Piston rod and the oil hose that is connected on cylinder body, described radiator includes a radiator, described dissipates There is in hot body heat dissipation cavity, the oil hose on described hydraulic cylinder one and hydraulic cylinder two all with heat dissipation cavity phase Connection, described hydraulic cylinder one connects oil hose and damping with being provided with on the cylinder body on hydraulic cylinder two The damping hole in chamber.The radiating principle of the radiating block of above-mentioned patent documentation is, the heat of hydraulic oil first conducts On radiating block, it is then passed through radiating block and is naturally dispersed in surrounding air, though this radiating mode So having radiating and cooling effect, but cooling rate is slow, effect is the most preferable.
Utility model content
To this, this utility model aims to provide a kind of oil cylinder dress that can be effectively improved hydraulic oil cooling rate Put.
The technical scheme realizing this utility model purpose is:
A kind of oil cylinder, including two oil cylinders and radiator, described oil cylinder include axially disposed oil pocket, Can axially move the piston rod assembly being arranged in described oil pocket and the oil transportation being connected with described oil pocket Pipe, described radiator has caching chamber, and the described oil pocket of described two oil cylinders passes through described petroleum pipeline and institute Stating caching chamber to be connected, also include the temperature-controlling system regulating hydraulic fluid temperature, described temperature-controlling system includes For monitoring the temperature sensor of hydraulic fluid temperature, for reducing the refrigeration list of hydraulic fluid temperature further Unit and for controlling the temperature controller of hydraulic fluid temperature, described refrigeration unit is arranged on described radiator, Control described refrigeration unit on/off control switch and described temperature sensor all with described temperature control Instrument electrically connects.
In technique scheme, described refrigeration unit includes the described cold water/cold connecting cold water/cold air source Air pipe, described cold water/cooling pipelines axially penetrates through described radiator and presses close to described along described caching chamber Caching chamber is arranged, and described control switch is used for controlling described cold air/cooling pipelines break-make, for being arranged on State the electromagnetic valve of cold water/cooling pipelines front end.
In technique scheme, described cold water/cooling pipelines is the pipeline that wave is linear or spiral yarn shaped, Or use continuous U-shaped to unroll pipeline.
In technique scheme, described radiator arranges the steam vent connected with described caching chamber, institute State steam vent built with one-way exhaust valve.
In technique scheme, described piston rod assembly includes piston rod and is fixed on described tailpiece of the piston rod The piston in portion, described piston centre position be provided with for piston rod fixing end through perforation, described The fixing end of piston rod is threadeded with clamp nut after described perforation, in described plunger backer to institute The side stating clamp nut is provided with sealing ring, and described piston rod close positions is provided with blocking surface, Screwed by described clamp nut and described sealing ring is pressed between described piston and described blocking surface.
In technique scheme, described piston is provided with the seal groove being suitable to install described sealing ring, The axial depth of described seal groove is more than the axial width of described sealing ring, and described sealing ring includes edge The first axially arranged sealing ring and the second sealing ring, described first sealing ring seals adjacent to described second The side of circle forms annular protrusion, and described second sealing ring becomes adjacent to the side of described first sealing ring In type has annular recess, described annular protrusion to extend described annular recess and the both sides of described annular protrusion Face leans with the two side of described annular recess, recessed with described annular at the top of described annular protrusion Buffer gap is there is between the bottom in portion.
This utility model has a positive effect:
(1) use the structure in this utility model, oil cylinder after running a period of time, hydraulic oil temperature rise Height, when temperature sensor monitors to hydraulic fluid temperature is higher than preset value (as set 40 degrees Celsius), Temperature controller controls described control switch after receiving the feedback temperature signal of temperature sensor and opens, thus makes Cold cell operation is taken away the heat of hydraulic oil and is carried out water-cooled cooling, and the air in combination with radiator dispels the heat Effect, it is possible to quickly hydraulic fluid temperature is reduced to below preset value, compares the way in background technology, Faster, effect is more preferable to use way cooling rate in subject application, and controls more accurate, effectively Slow down the aging of cylinder seal, promote serviceability, and extend the service life of oil cylinder.
(2), in this utility model, described cold water/cooling pipelines is to take shape in the ripple in described radiator Linear or the spiral yarn shaped pipeline of wave, or use continuous U-shaped to unroll pipeline, use this structure energy Strengthen water-cooled effect, thus improve cooling rate.
(3), in this utility model, described radiator arranges one-way exhaust valve, when cylinder efficient (i.e. Hydraulic oil pressurized generation displacement) time, in oil cylinder, residual air is unidirectional from top after being clamped Discharge at air bleeding valve, thus avoid oil cylinder operationally Yin Qinei to have the existence of residual air to make oil cylinder Idle running occurs, stability during cylinder efficient is effectively ensured.
(4), in this utility model, described piston rod assembly includes piston rod and is arranged on described piston rod The piston of end, described piston centre position be provided with for piston rod fixing end through perforation, institute The fixing end stating piston rod is threadeded with clamp nut after described perforation, in described plunger backer pair The side of described clamp nut is provided with sealing ring, and described piston rod close positions is provided with blocking surface, Screwed by described clamp nut and described sealing ring be pressed between described piston and described blocking surface, So effectively by clearance seal between piston rod and piston, thus sealing can be improved;Further, The seal groove being suitable to install described sealing ring it is provided with, described seal groove axial on described piston The degree of depth, more than the axial width of described sealing ring, is so disposed to when screwing clamp nut to have Being clamped by sealing ring of effect, referring specifically to Fig. 2, described sealing ring includes the first axially disposed sealing Circle and the second sealing ring, described first sealing ring forms annular adjacent to the side of described second sealing ring Protuberance, described second sealing ring forms annular recess adjacent to the side of described first sealing ring, described In annular protrusion extends described annular recess and the two sides of described annular protrusion and described annular recess Two side leans, and exists slow between the bottom of the top of described annular protrusion and described annular recess Rush gap, use said structure, described the can be made when described clamp nut is fixing connects piston tightening One sealing ring produces mutual extruding force F1, the both sides of the most described annular recess with described second sealing ring Portion is produced the radial dilatation (sealing referring to Fig. 3 by from the lateral pressure F2 of described annular protrusion Circle stress schematic diagram), so that the second sealing ring radially inside and outside face respectively with described piston Bar side face and described seal groove respective side walls are in close contact;Seal position at this and produce sealing function Sealing surface is total everywhere, the axial both ends of the surface of the most described sealing ring and described second sealing ring interior Outer two sides, effectively enhance the sealing between piston and piston rod, it is to avoid hydraulic fluid leak occurs Situation.
Accompanying drawing explanation
Fig. 1 is the structural representation in this utility model from the cylinder apparatus that dispels the heat;
Fig. 2 is the partial enlarged view in Fig. 1 at A;
Fig. 3 is the stress schematic diagram of sealing ring.
Reference shown in figure is: 1-oil cylinder;2-radiator;21-caches chamber;22-fin; 3-oil pocket;4-petroleum pipeline;5-temperature sensor;6-cold water/cooling pipelines;7-temperature controller;8- Control switch;9-clamp nut;10-piston rod;The fixing end of 101-;102-blocking surface;11-lives Plug;12-the first sealing ring;13-the second sealing ring;121-annular protrusion;131-annular recess;14- Buffer gap.
Detailed description of the invention
Below in conjunction with Figure of description, the concrete structure in this utility model is done with explanation:
A kind of utilization from heat radiation cylinder apparatus carries radiator heat radiation, and its structure is as it is shown in figure 1, include Two oil cylinders 1 and radiator 2, described oil cylinder 1 includes axially disposed oil pocket 3, can axially move It is arranged on the piston rod assembly in described oil pocket 3 and the petroleum pipeline 4 being connected with described oil pocket 3, described Radiator 2 has caching chamber 21, and the described oil pocket 3 of described two oil cylinders 1 is by described petroleum pipeline 4 He Described caching chamber 21 is connected, and also includes the temperature-controlling system regulating hydraulic fluid temperature, described temperature-controlling system Including the temperature sensor 5 for monitoring hydraulic fluid temperature, for reducing the system of hydraulic fluid temperature further Cold unit and for controlling the temperature controller 7 of hydraulic fluid temperature, described refrigeration unit is arranged on described radiator On 2, control described refrigeration unit on/off control switch 8 and described temperature sensor 6 all with Described temperature controller 7 electrically connects.Using the structure in this utility model, oil cylinder 1 is running a period of time After, hydraulic oil temperature raises, when temperature sensor 5 monitors hydraulic fluid temperature higher than preset value (as set Fixed 40 degrees Celsius) time, temperature controller 7 receives the feedback temperature signal of temperature sensor and controls described control Switch 8 is opened, thus refrigeration unit startup work promotes hydraulic oil fast cooling, in combination with heat radiation The air thermolysis of body 2, it is possible to quickly hydraulic fluid temperature is reduced to below preset value, compares the back of the body Way in scape technology, faster, effect is more preferable, and controls to use way cooling rate in the present embodiment System is more accurate, effectively slow down and causes the aging of cylinder seal and work because of analysis of hydraulic oil overheat The problem making poor stability, lift cylinder serviceability, and increase the service life.
In the present embodiment, described refrigeration unit includes the described cold water/refrigerator pipe connecting cold water/cold air source Road 6, described cold water/cooling pipelines 6 axially penetrates through described radiator 2 along described caching chamber 21 and presses close to Described caching chamber 21 is arranged, and described control switch is used for controlling described cold air/cooling pipelines 6 break-make, For being arranged on the electromagnetic valve of described cold water/cooling pipelines 6 front end.Use this structure, work as hydraulic fluid temperature When exceeding preset value, temperature controller 7 controls electromagnetic valve and opens the cold water making cold water/cold air in radiator 2 / cooling pipelines takes away the heat of hydraulic oil, it is achieved fast cooling, and it is rational in infrastructure, and cost is low, has Well using effect, can also use blower fan at refrigeration unit described in practice.
Further, in order to strengthen water-cooled cooling effect, in practice, described cold water/cooling pipelines 6 For the linear pipeline of wave arranged around described caching strong 21, or use spiral yarn shaped pipeline, or Person uses continuous U-shaped to unroll pipeline.In practical operation, described cold water/cooling pipelines 6 can also be straight Linear pipeline, for strengthening the effect that cools, linear pipeline can arrange a plurality of.
As improving further, in order to improve radiating and cooling effect further, outside described radiator 2 Portion forms fin 22.And it is provided with the row connected with described caching chamber 21 on described radiator 2 Pore, described steam vent, built with one-way exhaust valve, is so arranged, when oil cylinder 1 works (i.e. hydraulic pressure Oil pressurized generation displacement) time, after in oil cylinder 1, residual air will be clamped from top unidirectional row Discharge at air valve, thus avoid oil cylinder 1 operationally Yin Qinei to have the existence of residual air to make oil cylinder 1 Idle running occurs, stability during cylinder efficient is effectively ensured, and reduces noise.
In the present embodiment, described piston rod assembly includes piston rod 10 and is arranged on described piston rod 10 The piston 11 of end, described piston 11 center is provided with the fixing end 101 for piston rod 10 and wears The perforation crossed, the fixing end 101 of described piston rod 10 through after described perforation with clamp nut 9 screw thread Connect, be provided with sealing ring, in described work at described piston 11 back to the side of described clamp nut 9 Stopper rod 10 close positions is provided with blocking surface 102, is screwed described sealing by described clamp nut 9 Circle is pressed between described piston 11 and described blocking surface 102, so arrange by piston 11 end face and Sealing ring clamping is effectively sealed by described blocking surface 102.
Further, described piston 11 is provided with the seal groove being suitable to install described sealing ring, institute State the axial depth axial width more than described sealing ring of seal groove, be so disposed in rotation Can effectively be clamped by sealing ring during tight clamp nut 9, referring specifically to Fig. 2, described sealing ring includes edge The first axially arranged sealing ring 12 and the second sealing ring 13, described first sealing ring 12 is adjacent to described The side of the second sealing ring 13 forms annular protrusion 121, and described second sealing ring 13 is adjacent to described The side of one sealing ring 12 forms annular recess 131, and described annular protrusion 121 extends described annular In the recess 131 and described two sides of annular protrusion 121 offset with the two side of described annular recess 131 Lean on, exist between buffering between the top and the bottom of described annular recess 131 of described annular protrusion 121 Gap 14, uses said structure, can make described when tightening described clamp nut 9 fixing connection piston 10 First sealing ring 12 produces mutual extruding force F1 with described second sealing ring 13, and the most described annular is recessed The both sides in portion 131 are produced radial dilatation by from the lateral pressure F2 of described annular protrusion 121 (referring to the sealing ring stress schematic diagram of Fig. 3), so that the second sealing ring 12 is radially inside and outside Two sides are in close contact with described piston rod 10 side and described seal groove respective side walls respectively;At this The sealing surface sealing position generation sealing function is total everywhere, the axial two ends of the most described sealing ring (i.e. in Fig. 2, B1, B2, B3 and B4 position, existing for face inside and outside face and described second sealing ring Some conventional seals circles mostly only have B1 and B4 position in corresponding diagram to play sealing function, sealing effectiveness Poor), effectively enhance the sealing between piston 11 and piston rod 10, it is to avoid hydraulic fluid leak occurs Situation.
Obviously, above-described embodiment of the present utility model is only to be made by clearly demonstrating this utility model Citing, and be not the restriction to embodiment of the present utility model.Common for art For technical staff, change or the change of other multi-form can also be made on the basis of the above description Dynamic.Here without also cannot all of embodiment be given exhaustive.And these belong to this utility model The obvious change extended out of connotation or variation still fall within protection model of the present utility model Enclose.

Claims (6)

  1. null1. the cylinder apparatus that certainly dispels the heat,Including two oil cylinders (1) and radiator (2),Described oil cylinder (1) includes axially disposed oil pocket (3)、Can axially move the piston rod assembly being arranged in described oil pocket (3) and the petroleum pipeline (4) being connected with described oil pocket (3),Described radiator (2) has caching chamber (21),The described oil pocket (3) of described two oil cylinders (1) is connected with described caching chamber (21) by described petroleum pipeline (4),It is characterized in that,Also include the temperature-controlling system regulating hydraulic fluid temperature,Described temperature-controlling system includes the temperature sensor (5) for monitoring hydraulic fluid temperature、For reducing the refrigeration unit of hydraulic fluid temperature further and for controlling the temperature controller (7) of hydraulic fluid temperature,Described refrigeration unit is arranged on described radiator (2),Control switch (8) and the described temperature sensor (5) that control described refrigeration unit on/off all electrically connect with described temperature controller (7).
  2. The most according to claim 1 from dispelling the heat cylinder apparatus, it is characterized in that, described refrigeration unit includes the described cold water/cooling pipelines (6) connecting cold water/cold air source, described cold water/cooling pipelines (6) axially penetrates through described radiator (2) along described caching chamber (21) and presses close to the setting of described caching chamber (21), described control switch is used for controlling described cold air/cooling pipelines (6) break-make, for being arranged on the electromagnetic valve of described cold water/cooling pipelines (6) front end.
  3. The most according to claim 2 from dispelling the heat cylinder apparatus, it is characterised in that described cold water/cooling pipelines (6) is the pipeline that wave is linear or spiral yarn shaped, or continuous U-shaped unrolls pipeline.
  4. The most according to claim 1 from dispelling the heat cylinder apparatus, it is characterised in that described radiator (2) above arranges the steam vent connected with described caching chamber (21), and described steam vent is built with one-way exhaust valve.
  5. 5. according to the cylinder apparatus that certainly dispels the heat described in claim 1 or 2 or 3 or 4, it is characterized in that, described piston rod assembly includes piston rod (10) and is fixed on the piston (11) of described piston rod (10) end, described piston (11) center is provided with the perforation that the fixing end (101) for piston rod (10) passes, the fixing end (101) of described piston rod (10) is threadeded with clamp nut (9) after described perforation, at described piston (11), the side of described clamp nut (9) is provided with sealing ring, described piston rod (10) close positions is provided with blocking surface (102), screwed by described clamp nut (9) and described sealing ring is pressed between described piston (11) and described blocking surface (102).
  6. nullThe most according to claim 5 from dispelling the heat cylinder apparatus,It is characterized in that,Described piston is provided with, on (11), the seal groove being suitable to install described sealing ring,The axial depth of described seal groove is more than the axial width of described sealing ring,Described sealing ring includes axially disposed the first sealing ring (12) and the second sealing ring (13),The side of neighbouring described second sealing ring (13) of described first sealing ring (12) forms annular protrusion (121),The side of neighbouring described first sealing ring (12) of described second sealing ring (13) forms annular recess (131),In described annular protrusion (121) extends described annular recess (131) and the described both sides of annular protrusion (121) lean with the both sides of described annular recess (131),Buffer gap (14) is there is between the bottom of the top of described annular protrusion (121) and described annular recess (131).
CN201620240494.5U 2016-03-25 2016-03-25 From heat dissipation hydro -cylinder device Expired - Fee Related CN205478657U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105673766A (en) * 2016-03-25 2016-06-15 嘉兴职业技术学院 Oil cylinder device dissipating heat automatically
CN106089829A (en) * 2016-08-23 2016-11-09 成都翼高九天科技有限公司 A kind of good seal performance can reduce the hydraulic system revealed
CN106194909A (en) * 2016-08-23 2016-12-07 成都翼高九天科技有限公司 The hydraulic system of heating is avoided in a kind of automatic cooling

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105673766A (en) * 2016-03-25 2016-06-15 嘉兴职业技术学院 Oil cylinder device dissipating heat automatically
CN106089829A (en) * 2016-08-23 2016-11-09 成都翼高九天科技有限公司 A kind of good seal performance can reduce the hydraulic system revealed
CN106194909A (en) * 2016-08-23 2016-12-07 成都翼高九天科技有限公司 The hydraulic system of heating is avoided in a kind of automatic cooling
CN106089829B (en) * 2016-08-23 2018-01-30 成都翼高九天科技有限公司 A kind of good seal performance can reduce the hydraulic system of leakage

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160817

Termination date: 20200325