CN214788316U - Hydraulic cylinder with good sealing performance - Google Patents
Hydraulic cylinder with good sealing performance Download PDFInfo
- Publication number
- CN214788316U CN214788316U CN202120849052.1U CN202120849052U CN214788316U CN 214788316 U CN214788316 U CN 214788316U CN 202120849052 U CN202120849052 U CN 202120849052U CN 214788316 U CN214788316 U CN 214788316U
- Authority
- CN
- China
- Prior art keywords
- wall
- hydraulic cylinder
- arc
- sealing
- heat
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 68
- 238000005096 rolling process Methods 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 125000003003 spiro group Chemical group 0.000 abstract description 8
- 230000003139 buffering effect Effects 0.000 description 3
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Images
Landscapes
- Actuator (AREA)
Abstract
The utility model discloses a pneumatic cylinder that sealing performance is good, including the cylinder liner, the one end of cylinder liner has sealing mechanism through the bolt spiro union, and sealing mechanism's inner wall sliding connection has a piston rod, sealing mechanism includes the seal cover, the inner wall of seal cover is provided with the sealing washer, the arc wall that the equidistance distributes is all seted up to the inner wall of seal cover, and the inner wall sliding connection of arc wall has a supporting mechanism, the both sides of seal cover outer wall all have the mounting groove through the bolt spiro union, and the inner wall of two mounting grooves all has the fin that the equidistance distributes through the bolt spiro union, supporting mechanism includes two slide bars. The utility model discloses a set up sealing mechanism on the cylinder liner, through the friction between the supporting mechanism speed reduction piston rod in the sealing mechanism and the cylinder liner, and then reduced the wearing and tearing of pneumatic cylinder, improved the life of pneumatic cylinder.
Description
Technical Field
The utility model relates to a pneumatic cylinder technical field especially relates to a pneumatic cylinder that sealing performance is good.
Background
The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device. The damping device and the exhaust device are determined according to specific application occasions, and other devices are necessary.
The existing hydraulic cylinder is usually small in the gap between a piston rod and a cylinder sleeve in the cylinder for sealing, so that excessive friction is easily generated between the piston rod and the cylinder sleeve, the hydraulic cylinder is damaged, and the service life of the hydraulic cylinder is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a hydraulic cylinder with good sealing performance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a hydraulic cylinder with good sealing performance comprises a cylinder sleeve, one end of the cylinder sleeve is connected with a sealing mechanism through a bolt in a threaded manner, and the inner wall of the sealing mechanism is connected with a piston rod in a sliding way, the sealing mechanism comprises a sealing sleeve, the inner wall of the sealing sleeve is provided with a sealing ring, the inner wall of the sealing sleeve is provided with arc-shaped grooves which are distributed at equal intervals, and the inner wall of the arc-shaped groove is connected with a supporting mechanism in a sliding way, the two sides of the outer wall of the sealing sleeve are both connected with mounting grooves through bolts in a threaded way, and the inner walls of the two mounting grooves are both screwed with radiating fins distributed at equal intervals through bolts, the supporting mechanism comprises two sliding rods, and two slide bars all pass through the bolt spiro union on the inner wall of arc wall, two the sliding sleeve has all been cup jointed to the outer wall of slide bar, two the relative one side outer wall of sliding sleeve has same supporting shoe, two through the bolt spiro union the outer wall of slide bar has cup jointed first spring.
Preferably, the outer wall of one side of the supporting block is provided with spherical grooves distributed at equal intervals, and the inner walls of the spherical grooves are connected with rolling bodies through bearings.
Preferably, an oil injection hole is formed in one side of the outer wall of the cylinder sleeve, and heat-conducting plates are arranged on the inner wall of each supporting block.
Preferably, the inner wall of one side of the arc-shaped groove is connected with heat-conducting springs through bolts in a threaded manner, and one ends of the two heat-conducting springs are connected with the supporting block.
Preferably, the inner wall of the arc-shaped groove is connected with a heat conducting rod through a bolt in a threaded manner, one end of the heat conducting rod is connected to the inner wall of the supporting block in a sliding manner, and the other end of the heat conducting rod is connected with the radiating fins.
Preferably, the inner walls of the arc-shaped grooves and the inner walls of the supporting blocks are provided with cavities, and heat-conducting media are filled in the inner walls of the two cavities.
Preferably, the two cavities are connected through a hose, and the radiating fin is connected to one of the cavities through a copper sheet.
The utility model has the advantages that:
1. this pneumatic cylinder that sealing performance is good through set up sealing mechanism on the cylinder liner, through the friction between the supporting mechanism speed reduction piston rod in the sealing mechanism and the cylinder liner, and then has reduced the wearing and tearing of pneumatic cylinder, has improved the life of pneumatic cylinder.
2. This pneumatic cylinder that sealing performance is good through set up the fin on the seal bush, effectually derives the heat that produces when rubbing supporting mechanism and piston rod fast, reduces supporting mechanism's damage, avoids taking place deformation at the high temperature condition rolling element.
3. This pneumatic cylinder that sealing performance is good limits the removal orbit of supporting shoe through set up the slide bar in the arc wall, avoids the supporting shoe to take place the skew when removing, and then influences the normal slip of piston rod.
Drawings
Fig. 1 is a schematic structural view of a hydraulic cylinder with good sealing performance provided by the present invention;
fig. 2 is a schematic cross-sectional structural view of a sealing mechanism of a hydraulic cylinder with good sealing performance according to the present invention;
fig. 3 is a schematic cross-sectional view of a seal cover according to an embodiment of the hydraulic cylinder with good sealing performance of the present invention;
fig. 4 is the schematic structural diagram of the cross section of the second seal sleeve of the embodiment of the hydraulic cylinder with good sealing performance provided by the utility model.
In the figure: the device comprises a cylinder sleeve 1, an oil filling hole 2, a sealing mechanism 3, a piston rod 4, a sealing sleeve 5, a sealing ring 6, a supporting mechanism 7, a rolling body 8, a supporting block 9, a sliding rod 10, a first spring 11, a heat conducting seat 12, a heat conducting spring 13, a radiating fin 14, a heat conducting rod 15 and a cavity 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-3, a hydraulic cylinder with good sealing performance comprises a cylinder sleeve 1, one end of the cylinder sleeve 1 is in threaded connection with a sealing mechanism 3 through a bolt, the inner wall of the sealing mechanism 3 is in sliding connection with a piston rod 4, the sealing mechanism 3 comprises a sealing sleeve 5, the inner wall of the sealing sleeve 5 is provided with a sealing ring 6, the inner wall of the sealing sleeve 5 is provided with arc-shaped grooves distributed equidistantly, the inner wall of each arc-shaped groove is in sliding connection with a supporting mechanism 7, two sides of the outer wall of the sealing sleeve 5 are in threaded connection with mounting grooves through bolts, the inner walls of the two mounting grooves are in threaded connection with radiating fins 14 distributed equidistantly through bolts, the supporting mechanism 7 comprises two sliding rods 10, the two sliding rods 10 are in threaded connection with the inner wall of each arc-shaped groove through bolts, the outer walls of the two sliding rods 10 are respectively in sleeve connection with a sliding sleeve, the outer wall of one side opposite to the two sliding sleeves is in threaded connection with a same supporting block 9 through a bolt, the outer walls of the two sliding rods 10 are respectively in sleeve connection with a first spring 11, supporting shoe 9 one side outer wall all sets up the spherical groove that the equidistance distributes, and the inner wall in spherical groove is connected with rolling element 8 through the bearing, oil filler point 2 has been seted up to one side of 1 outer wall of cylinder liner, the inner wall of supporting shoe 9 all is provided with the heat-conducting plate, arc wall one side inner wall all has heat conduction spring 13 through the bolt spiro union, and the one end of two heat conduction spring 13 is connected with supporting shoe 9, the inner wall of arc wall has heat-conducting rod 15 through the bolt spiro union, and heat-conducting rod 15's one end sliding connection is on supporting shoe 9's inner wall, heat-conducting rod 15's the other end and fin 14 are connected.
The working principle is as follows: during the use, when the piston rod 4 normally slides when the hydraulic stem normally works, can contact with rolling element 8 on the supporting mechanism 7, replace traditional sliding friction for rolling friction, and then reduce the frictional force between piston rod 4 and the cylinder liner 1, the cooperation between slide bar 10 and the first spring 11 in the supporting mechanism 7 simultaneously, the supporting mechanism 7 of being convenient for has a buffering area at appropriate within range, thereby avoid rolling element 8 to take place to warp, produce the friction and then produce the heat when 8 contact piston rods 4 of rolling element, thereby the heat is transmitted to fin 14 through conducting strip and conducting rod 15 in the supporting shoe 9 and conducting spring 13 on and dispel the heat.
Example two
Referring to fig. 1-2 and 4, a hydraulic cylinder with good sealing performance comprises a cylinder sleeve 1, one end of the cylinder sleeve 1 is in threaded connection with a sealing mechanism 3 through a bolt, the inner wall of the sealing mechanism 3 is in sliding connection with a piston rod 4, the sealing mechanism 3 comprises a sealing sleeve 5, the inner wall of the sealing sleeve 5 is provided with a sealing ring 6, the inner wall of the sealing sleeve 5 is provided with arc-shaped grooves distributed equidistantly, the inner wall of each arc-shaped groove is in sliding connection with a supporting mechanism 7, two sides of the outer wall of the sealing sleeve 5 are in threaded connection with mounting grooves through bolts, the inner walls of the two mounting grooves are in threaded connection with radiating fins 14 distributed equidistantly through bolts, the supporting mechanism 7 comprises two sliding rods 10, the two sliding rods 10 are in threaded connection with the inner wall of each arc-shaped groove through bolts, the outer walls of the two sliding rods 10 are both sleeved with sliding sleeves, the outer wall of one side opposite to each sliding sleeve is in threaded connection with the same supporting block 9 through a bolt, the outer wall of two slide bars 10 has cup jointed first spring 11, the spherical groove that the equidistance distributes is all seted up to supporting shoe 9 one side outer wall, and the inner wall of spherical groove is connected with rolling element 8 through the bearing, oil filler point 2 has been seted up to one side of 1 outer wall of cylinder liner, the inner wall of supporting shoe 9 all is provided with the heat-conducting plate, arc wall one side inner wall all has heat-conducting spring 13 through the bolt spiro union, and the one end and the supporting shoe 9 of two heat-conducting spring 13 are connected, the inner wall of arc wall and the inner wall of supporting shoe 9 all are provided with cavity 16, and the inner wall of two cavities 16 all fills there is the heat-conducting medium, all be connected through the hose between two cavities 16, fin 14 connects on one of them cavity 16 through the copper sheet.
The working principle is as follows: during the use, when the piston rod 4 normally slides when the hydraulic stem normally works, can contact with rolling element 8 on the supporting mechanism 7, replace traditional sliding friction for rolling friction, and then reduce the frictional force between piston rod 4 and the cylinder liner 1, the cooperation between slide bar 10 and the first spring 11 in the supporting mechanism 7 simultaneously, the supporting mechanism 7 of being convenient for has a buffering region in appropriate within range, thereby avoid rolling element 8 to take place to warp, produce the friction and then produce the heat when rolling element 8 contacts piston rod 4, thereby the heat is dispelled the heat on heat sink 14 is transmitted to the heat conduction medium in cavity 16 in supporting shoe 9 and the seal cover 5.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The hydraulic cylinder with good sealing performance comprises a cylinder sleeve (1) and is characterized in that one end of the cylinder sleeve (1) is fixedly connected with a sealing mechanism (3), the inner wall of the sealing mechanism (3) is connected with a piston rod (4) in a sliding manner, the sealing mechanism (3) comprises a sealing sleeve (5), a sealing ring (6) is arranged on the inner wall of the sealing sleeve (5), arc-shaped grooves distributed equidistantly are formed in the inner wall of the sealing sleeve (5), a supporting mechanism (7) is connected to the inner wall of the arc-shaped grooves in a sliding manner, mounting grooves are fixedly connected to two sides of the outer wall of the sealing sleeve (5), radiating fins (14) distributed equidistantly are fixedly connected to the inner walls of the two mounting grooves, the supporting mechanism (7) comprises two sliding rods (10), the two sliding rods (10) are fixedly connected to the inner wall of the arc-shaped grooves, and sliding sleeves are sleeved on the outer walls of the two sliding rods (10), the outer wall of one side opposite to the two sliding sleeves is fixedly connected with the same supporting block (9), and the outer wall of the two sliding rods (10) is sleeved with a first spring (11).
2. The hydraulic cylinder with good sealing performance according to claim 1, wherein the outer wall of one side of the supporting block (9) is provided with spherical grooves distributed at equal intervals, and the inner walls of the spherical grooves are connected with the rolling bodies (8) through bearings.
3. The hydraulic cylinder with good sealing performance according to claim 2, wherein an oil injection hole (2) is formed in one side of the outer wall of the cylinder sleeve (1), and heat-conducting plates are arranged on the inner walls of the supporting blocks (9).
4. The hydraulic cylinder with good sealing performance according to claim 3, wherein the inner wall of one side of the arc-shaped groove is fixedly connected with heat conduction springs (13), and one ends of the two heat conduction springs (13) are connected with the supporting block (9).
5. Hydraulic cylinder with good sealing performance according to claim 4, characterized in that the inner wall of the arc-shaped groove is fixedly connected with a heat conducting rod (15), one end of the heat conducting rod (15) is slidably connected to the inner wall of the support block (9), and the other end of the heat conducting rod (15) is connected with the heat sink (14).
6. Hydraulic cylinder with good sealing performance according to claim 3, characterized in that the inner walls of the arc-shaped groove and the support block (9) are provided with cavities (16), and the inner walls of the two cavities (16) are filled with heat-conducting medium.
7. Hydraulic cylinder with good sealing performance according to claim 6, characterized in that the two cavities (16) are connected through a hose, and the heat sink (14) is connected to one of the cavities (16) through a copper sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120849052.1U CN214788316U (en) | 2021-04-23 | 2021-04-23 | Hydraulic cylinder with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120849052.1U CN214788316U (en) | 2021-04-23 | 2021-04-23 | Hydraulic cylinder with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214788316U true CN214788316U (en) | 2021-11-19 |
Family
ID=78689038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120849052.1U Expired - Fee Related CN214788316U (en) | 2021-04-23 | 2021-04-23 | Hydraulic cylinder with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214788316U (en) |
-
2021
- 2021-04-23 CN CN202120849052.1U patent/CN214788316U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110345187B (en) | Composite self-resetting energy dissipation and shock absorption device and using method thereof | |
| CN213839100U (en) | Hydraulic cylinder with heat dissipation structure | |
| CN211852342U (en) | From heat dissipation type buffering pneumatic cylinder convenient to installation | |
| CN216618097U (en) | Novel gas-liquid hydraulic internal mechanical device | |
| CN214788316U (en) | Hydraulic cylinder with good sealing performance | |
| CN111828432A (en) | Hydraulic oil cylinder assembly | |
| CN107906160B (en) | Novel rod-type viscous damper | |
| CN102089100B (en) | A roll line in a continuous caster | |
| CN217898356U (en) | Hydraulic cylinder for mining | |
| CN201925398U (en) | Large-stroke double-piston-rod viscous damper with elastic axial limit function | |
| CN210265337U (en) | Oil seal structure of oil hydraulic cylinder | |
| CN213981651U (en) | Double-row cylindrical sealed full-roller bearing | |
| CN210196186U (en) | Efficient continuously-pressurized hydraulic oil cylinder | |
| CN204900399U (en) | Anti side force auto -lock wind -powered electricity generation pneumatic cylinder of high accuracy | |
| CN220302451U (en) | Hydraulic cylinder with external protection structure | |
| CN211693029U (en) | Special oil cylinder structure | |
| CN105065363A (en) | High-precision lateral-force-resistant self-locking wind power hydraulic cylinder | |
| CN215409503U (en) | Tensioning oil cylinder assembly with piston convenient to take out | |
| CN115030589B (en) | Staged recoverable viscous-SMA friction composite damper | |
| CN210889530U (en) | Novel hydraulic cylinder lower cover | |
| CN215521447U (en) | Heavy-load hydraulic cylinder of oil leakage prevention mechanism for steel mill | |
| CN213360263U (en) | Vulcanized ceramic piston device | |
| CN212959358U (en) | Hydraulic cylinder | |
| CN211778323U (en) | Hydraulic cylinder of high leakproofness | |
| CN211039220U (en) | Sealing support structure of double-acting oil cylinder |
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: 20211119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |