CN206647341U - A kind of double-acting cylinder - Google Patents
A kind of double-acting cylinder Download PDFInfo
- Publication number
- CN206647341U CN206647341U CN201720252793.5U CN201720252793U CN206647341U CN 206647341 U CN206647341 U CN 206647341U CN 201720252793 U CN201720252793 U CN 201720252793U CN 206647341 U CN206647341 U CN 206647341U
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- China
- Prior art keywords
- filler point
- oil filler
- cylinder
- cylinder barrel
- double
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Abstract
The utility model discloses a kind of double-acting cylinder, solves the lubricating system complex operation of current cylinder, need to dismantle, the problem of cumbersome, its drip irrigation device is to include cylinder barrel, piston rod, sealing ring of the fixed cover on the piston rod and the front end housing and back cylinder cover for being covered on cylinder barrel both sides, the passage for being communicated in cylinder barrel is offered in the side wall of front end housing and back cylinder cover, the side of each passage offers the oil filler point for being communicated in extraneous and cylinder barrel, end of the oil filler point away from cylinder barrel covers the useful end cap in sealed oiling hole, a kind of double-acting cylinder of the present utility model, oil injecting lubricating easily can be carried out to cylinder, it is simple to operate, practicality and high efficiency.
Description
Technical field
Pneumatic element is the utility model is related to, more particularly to a kind of double-acting cylinder.
Background technology
Cylinder is the startup executive component that the pressure energy of compressed gas is converted to mechanical energy in Pneumatic Transmission.Cylinder interior
Need it is irregular be lubricated operation so that cylinder use it is laborsaving convenient.
But the lubricating system of cylinder has two kinds at present, one kind is that it is lubricated using oil sprayer, and such a method is entered
Row lubrication, which then needs cylinder being connected on oil sprayer, to be individually lubricated, another then more complicated, it is necessary to which cylinder is whole
Disassemble, inner body is lubricated and cleared up respectively, two ways operation is required for dismantling, cumbersome, need to be changed
The space entered.
Utility model content
The purpose of this utility model is to provide a kind of double-acting cylinder, and oil injecting lubricating, behaviour can be easily carried out to cylinder
Make simple, practicality and high efficiency.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of double-acting cylinder, including sealing ring on the piston rod of cylinder barrel, piston rod, fixed cover and it is covered on cylinder barrel
The front end housing and back cylinder cover of both sides, the passage for being communicated in cylinder barrel, institute are offered in the side wall of the front end housing and back cylinder cover
The side for stating each passage offers the oil filler point for being communicated in extraneous and cylinder barrel, and end of the oil filler point away from cylinder barrel covers
There is the end cap for sealed oiling hole.
Using such scheme, in the oil filler point that the side of passage opens up, extraneous and cylinder barrel is communicated in, can not taken apart
To being added the operation of lubricating oil, easy to use, efficient, end of the oil filler point away from cylinder barrel side in cylinder barrel on the premise of cylinder
The end cap that portion covers carries out encapsulation process to oil filler point, prevents cylinder barrel internal contamination, while make it that cylinder interior air-tightness is good,
Can normally it use, integrated operation is simple and convenient, practicality and high efficiency.
Preferably, the oil filler point is installed with the first list to be circulated to cylinder barrel side close to a side ports of cylinder barrel
To valve.
Using such scheme, oil filler point causes the profit of injection close to the first check valve that the port of cylinder barrel side is fixedly mounted
Lubricating oil only circulates from oil filler point to cylinder barrel side, avoids the backflow of lubricating oil so that more convenient when oil injection operation.
Preferably, the madial wall of the oil filler point is equipped with the bulge loop abutted for the first check valve, the oil filler point leans on
The port of nearly cylinder barrel side, which is fixed, is connected with abutment ring, and first check valve consolidates inlay card between bulge loop and abutment ring.
Using such scheme, the bulge loop that oil filler point madial wall ring is set abuts to the first check valve, prevents that first is unidirectional
Valve promotes the first check valve to slip into the inside of oil filler point in the air pressure increase of cylinder barrel side, while oil filler point is close to cylinder barrel side
Port at abutment ring fix clamping, the first check valve is fixed between bulge loop and abutment ring so that the first check valve
Stable is installed on oil filler point close to the side of cylinder barrel, firmly installs, stably.
Preferably, the side of the oil filler point is further opened with being communicated in the perforate of passage.
Using such scheme, oil filler point side is communicated in the perforate of passage so that and oil filler point interior energy realizes air pressure balance,
When also air pressure can occur in ventilation is empty in the case that end cap covers and change, the lubricating oil that allows in oil filler point is to cylinder barrel one
Effluent leads to, and is easy to store a certain amount of lubricating oil in oil filler point.
Preferably, the second check valve of oriented oil filler point side circulation is fixedly mounted in the port of the perforate.
Using such scheme, the second check valve that the port of perforate is fixedly mounted is unidirectionally controlled in the progress of passage side,
Enable and together extruded into oil filler point when press-in gas in passage so that lubricating oil in oil filler point is to cylinder barrel side
Spray, and prevent in oil filler point.
Preferably, the perforate close to the port aperture of passage side is more than open pore size and stepped for the
Two check valves are installed.
Using such scheme, perforate is more than perforate entirety aperture close to the aperture of passage side, is formed and stepped supplies the
The installation of two check valves abuts, and prevents the second check valve slides into perforate from causing to be difficult to take or block.
Preferably, the perforate is embedded with the card for being connected to the second check valve close to the port of passage side also fixing card
Ring.
Using such scheme, perforate fixes the second check valve inlay card close to the snap ring that passage side is installed, and prevents
Second check valve easily departs from so that the one-way conduction of perforate and oil filler point is controlled more good.
Preferably, the perforate is obliquely installed towards the mouth side of ventilation nose end.
Using such scheme, perforate is obliquely installed towards the port side of passage so that the partial lubrication in oil filler point
Oil will not easily flow to passage side, and be obliquely installed towards the port of passage so that gas is injected into passage
During body, gas can be smoothly extruded into perforate, and then the air pressure in oil filler point is changed to carry out to cylinder barrel side
Oil injection operation, it is easy to use, smoothly.
Preferably, the end cap is threadedly connected to oil filler point.
Using such scheme, end cap is threadedly connected to oil filler point, and encapsulation process is realized in can be stable be arranged on oil filler point,
Air pressure change in oil filler point is avoided easily to cause the disengaging of end cap, installation is more firm.
In summary, the utility model has the advantages that：
Cylinder opens up oil filler point on front end housing and back cylinder cover, is directly realized by and does not dismantle cylinder to being lubricated on the inside of cylinder barrel
The addition of oil so that operation is more easy, the setting for the perforate that oil filler point connects with passage so that carried out in passage
When gas stream leads to air pressure change, enable to the lubricating oil in oil filler point smoothly can be sprayed into cylinder barrel；First is single
Setting to valve and the second check valve and end cap make it that the seal of oil filler point is good, and realize unidirectionally from oil filler point to cylinder
Cylinder side carries out flow-through operation so that and avoid the lubricating oil in oil filler point to be got in passage while oil injecting lubricating is smooth,
So that using more clean, convenient.
Brief description of the drawings
Fig. 1 is confined explosion's structural representation of double-acting cylinder；
Fig. 2 is the front view of double-acting cylinder；
Fig. 3 is the sectional view in A-A portions in Fig. 2.
In figure：1st, cylinder barrel；11st, piston rod；12nd, front end housing；13rd, back cylinder cover；2nd, passage；3rd, oil filler point；31st, end cap；
32nd, bulge loop；33rd, abutment ring；4th, perforate；41st, snap ring；5th, the first check valve；6th, the second check valve.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of double-acting cylinder disclosed in the present embodiment, as shown in Figures 1 and 2, including body, before body includes both sides
Cylinder cap 12 and back cylinder cover 13, the cylinder barrel 1 being installed between front end housing 12 and back cylinder cover 13, wear and be installed on intrinsic piston rod
11, piston packing and the wear ring among piston packing, preceding cylinder are integrally installed on the piston rod 11 of body interior
The port of lid 12 and back cylinder cover 13 is installed with protecgulum sealing ring and bonnet sealing ring respectively and UNICOM is extraneous in side wall
Offer passage 2.
As shown in Figure 1 to Figure 3, both sides passage 2 is symmetrical set, and the side of passage 2 is further opened with oil filler point 3,
Oil filler point 3 opens up to the side of piston rod 11 and is communicated in cylinder barrel 1, is threaded with the end face of oil filler point 3 for covering oiling
The end cap 31 in hole 3.
As shown in Figures 1 and 3, the also fixed inlay card at the port of cylinder barrel 1 of oil filler point 3 is provided with the first check valve 5, the
One check valve 5 is made using elastomeric material such as rubber, is made up of some catch being stitched together, and to the side of cylinder barrel 1
Protrusion, when air pressure is more than in oil filler point 3 in cylinder barrel 1, because the architectural characteristic protruded to side and mutually supported, first is single
Original state is remained closed to valve 5, not with being circulated in cylinder barrel 1 in oil filler point 3；When air pressure reduces in cylinder barrel 1, inside oil filler point 3
Under the extruding of air pressure, the first check valve 5 opens aperture to the side of cylinder barrel 1, and in the scattered lower so that lubricating oil is in part of blend stop
Vaporific ejection.Realize that the lubricant in injection oil filler point 3 unidirectionally can inject into cylinder barrel 1.Oil filler point 3 is close to the side of cylinder barrel 1
The side of port madial wall be equipped with bulge loop 32, the first check valve 5 is connected on bulge loop 32, and in the side closer to port
Abutment ring 33 is installed with, the first check valve 5, which is fixedly installed between bulge loop 32 and abutment ring 33, realizes fixation.
As shown in figure 3, the side wall of oil filler point 3 offers perforate 4, perforate 4 is respectively communicated with passage 2 and oil filler point 3, when
After lubricant is injected in oil filler point 3 and covers end cap 31, the air pressure in oil filler point 3 is adjusted by perforate 4.Perforate 4 tilts
Set, and a port side of the laterally closer passage 2 away from cylinder barrel 1 by being communicated in oil filler point 3 is obliquely installed, perforate 4 is leaned on
The port of nearly passage 2 is installed with the second check valve 6, and the port aperture ratio of perforate 4 is integrally bigger stepped, and second
Check valve 6 is connected at the port of perforate 4, and second check valve 6 is fixed embedded with snap ring 41 for fixing card at port.Second
Check valve 6 only circulates to the side of oil filler point 3, and structure and the first check valve 5 are identical.
Under the drive of the inner piston rod 11 of cylinder barrel 1, when the pressure change of gas occurring in passage 2 so that passage 2 connects
The device connect is driven.When piston rod 11 is to during 13 1 end motion of back cylinder cover, air pressure subtracts in the cylinder barrel 1 of the side of front end housing 12
Small, gas injects from the passage 2 on front end housing 12 into cylinder barrel 1, and the lubricant in the oil filler point 3 of front end housing 12 is inhaled by air pressure
To the side of cylinder barrel 1, it is sprayed in vaporific on the end face of piston rod 11, the side gas of back cylinder cover 13 discharges, unidirectional second
Under the non-return effect of valve 6, the lubricant in oil filler point 3 on back cylinder cover 13 does not spray because air pressure changes.When piston rod 11 to
During 12 1 end motion of front end housing, lubricant spray in the oil filler point 3 of back cylinder cover 13 is to the piston rod close to the side of back cylinder cover 13
In 11 side wall, after piston rod 11 moves in cylinder barrel 1, the lubricant on piston rod 11 is moistened on the sealing ring of two-port
It is sliding, and then realize the internal lubrication of cylinder.
Front end housing 12 and back cylinder cover 13 can use two sides splicing to assemble, the central shaft along where passage 2 and oil filler point 3
To half-and-half manufacturing, opening up for inner vent hole 2 and oil filler point 3 is realized, and after installing the first check valve 5 and the second check valve 6
Assembled, and fixed by welding or gluing realize.
Operating procedure：
1st, the end cap 31 of oil filler point 3 is opened, some lubricants are injected into oil filler point 3；
2nd, after covering end cap 31, cylinder is operated, the air pressure change in cylinder barrel 1, oiling are caused under the motion of piston rod 11
Lubricant in hole 3 is lubricated from the first check valve 5 and the second check valve 6 towards the sprinkling of the side of piston rod 11.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (9)
1. a kind of double-acting cylinder, including sealing ring on piston rod (11) of cylinder barrel (1), piston rod (11), fixed cover and
The front end housing (12) and back cylinder cover (13) of cylinder barrel (1) both sides are covered on, it is characterized in that：The front end housing (12) and back cylinder cover (13)
Side wall on offer the passage (2) for being communicated in cylinder barrel (1), the side of each passage (2), which offers, to be communicated in
Extraneous and cylinder barrel (1) oil filler point (3), end of the oil filler point (3) away from cylinder barrel (1) cover useful in sealed oiling hole
(3) end cap (31).
2. double-acting cylinder according to claim 1, it is characterized in that：The oil filler point (3) is close to a side of cylinder barrel (1)
The first check valve (5) of oriented cylinder barrel (1) side circulation is fixedly mounted in mouth.
3. double-acting cylinder according to claim 2, it is characterized in that：The madial wall of the oil filler point (3) is equipped with for
The bulge loop (32) that one check valve (5) abuts, the oil filler point (3) are fixed close to the port of cylinder barrel (1) side and are connected with abutment ring
(33), first check valve (5) consolidates inlay card between bulge loop (32) and abutment ring (33).
4. double-acting cylinder according to claim 1, it is characterized in that：The side of the oil filler point (3) is further opened with connecting
Perforate (4) in passage (2).
5. double-acting cylinder according to claim 4, it is characterized in that：Oriented note is fixedly mounted in the port of the perforate (4)
The second check valve (6) of oilhole (3) side circulation.
6. double-acting cylinder according to claim 5, it is characterized in that：The perforate (4) is close to the end of passage (2) side
Oral pore footpath be more than perforate (4) aperture and it is stepped for the second check valve (6) install.
7. double-acting cylinder according to claim 6, it is characterized in that：The perforate (4) is close to the end of passage (2) side
Mouth also fixing card is embedded with the snap ring (41) for being connected to the second check valve (6).
8. double-acting cylinder according to claim 4, it is characterized in that：The perforate (4) is towards the port one of passage (2)
Side is obliquely installed.
9. double-acting cylinder according to claim 1, it is characterized in that：The end cap (31) is threadedly connected to oil filler point (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720252793.5U CN206647341U (en) | 2017-03-15 | 2017-03-15 | A kind of double-acting cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720252793.5U CN206647341U (en) | 2017-03-15 | 2017-03-15 | A kind of double-acting cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206647341U true CN206647341U (en) | 2017-11-17 |
Family
ID=60280653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720252793.5U Expired - Fee Related CN206647341U (en) | 2017-03-15 | 2017-03-15 | A kind of double-acting cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206647341U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259759A (en) * | 2019-06-27 | 2019-09-20 | 绍兴集知汇信息科技有限公司 | A kind of hydraulic cylinder |
| CN111779729A (en) * | 2020-09-04 | 2020-10-16 | 星宇电子(宁波)有限公司 | Integrated energy-saving cylinder |
-
2017
- 2017-03-15 CN CN201720252793.5U patent/CN206647341U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259759A (en) * | 2019-06-27 | 2019-09-20 | 绍兴集知汇信息科技有限公司 | A kind of hydraulic cylinder |
| CN110259759B (en) * | 2019-06-27 | 2020-03-24 | 临沂金利液压科技有限公司 | Hydraulic oil cylinder |
| CN111779729A (en) * | 2020-09-04 | 2020-10-16 | 星宇电子(宁波)有限公司 | Integrated energy-saving cylinder |
| CN111779729B (en) * | 2020-09-04 | 2020-12-18 | 星宇电子(宁波)有限公司 | Integrated energy-saving cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171117 Termination date: 20190315 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |