CN207647887U - A kind of guide sleeve of hydraulic cylinder - Google Patents
A kind of guide sleeve of hydraulic cylinder Download PDFInfo
- Publication number
- CN207647887U CN207647887U CN201721493870.2U CN201721493870U CN207647887U CN 207647887 U CN207647887 U CN 207647887U CN 201721493870 U CN201721493870 U CN 201721493870U CN 207647887 U CN207647887 U CN 207647887U
- Authority
- CN
- China
- Prior art keywords
- guide sleeve
- piston
- hole
- cylinder barrel
- block
- 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
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Abstract
The utility model discloses a kind of guide sleeves of hydraulic cylinder, including cylinder barrel, it is movably installed with piston in the cylinder barrel, the side wall of the piston is fixed with piston rod, one end inner wall of the cylinder barrel is equipped with sealing ring, one end of the cylinder barrel is equipped with guide sleeve, the piston rod pass through guide sleeve and with guide sleeve is closed is slidably connected, one end inner wall of the close piston of the guide sleeve is equipped with copper sheet, the one end of the guide sleeve far from piston is equipped with fixing groove along the circumferencial direction of outer wall, it is arranged with first through hole at the top and bottom of described cylinder barrel one end, and the mutually separate one end of two groups of first through hole is equipped with block, the centre position of the block is equipped with threaded hole.In the utility model, when replacing sealing ring, can not only can guarantee the precision of oil cylinder, but also the dismounting of guide sleeve on oil cylinder can be facilitated, during dismounting will not part of damage need dimensional accuracy and piece surface roughness, save the plenty of time.
Description
Technical field
The utility model is related to technical field of hydraulic oil cylinder more particularly to a kind of guide sleeves of hydraulic cylinder.
Background technology
Hydraulic cylinder be hydraulic energy is changed into mechanical energy, the hydraulic pressure that does straight reciprocating motion (or pendulum motion) executes member
Part.Its simple in structure, reliable operation.Deceleration device when realizing reciprocating motion, can be removed from it, and do not have drive gap,
Stable movement, therefore be used widely in the hydraulic system of various machineries.Hydraulic cylinder power output and piston effective area and
The pressure difference on its both sides is directly proportional；Hydraulic cylinder substantially by cylinder barrel and cylinder cap, piston and piston rod, sealing device, buffer unit with
Exhaust apparatus forms.For buffer unit with exhaust apparatus depending on concrete application occasion, other devices are then essential.
The guide sleeve of hydraulic cylinder is mounted in cylinder tube front end, the part for being oriented to and being sealed to piston rod；By
It to replace, after just first must dismantling oil cylinder guide sleeve, could be replaced, still, due in cylinder cover often in sealing ring
Diameter and oil cylinder guide sleeve major diameter fit are tighter, keep the dismounting of oil cylinder guide copper sleeve highly difficult, are frequently resulted in during dismounting
Copper sheathing damage is even scrapped, even if torn open if damage for a long time, moreover, being easy to part during dismounting
Surface phenomena such as generating scuffing, some producers are for the ease of dismounting, the relatively tight of cylinder cover internal diameter and oil cylinder guide copper sleeve
Cooperation is used instead compared with loose fit, although convenient disassembly is many, positioning accuracy declines, and affects oil cylinder quality.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of hydraulic cylinder proposed
Guide sleeve.
To achieve the goals above, the utility model uses following technical solution：
A kind of guide sleeve of hydraulic cylinder, including cylinder barrel are movably installed with piston, the side wall of the piston in the cylinder barrel
It is fixed with piston rod, one end inner wall of the cylinder barrel is equipped with sealing ring, and one end of the cylinder barrel is equipped with guide sleeve, the piston rod
Across guide sleeve and with guide sleeve is closed is slidably connected, one end inner wall of the close piston of the guide sleeve is equipped with copper sheet, described
The one end of guide sleeve far from piston is equipped with fixing groove along the circumferencial direction of outer wall, and the top and bottom of described cylinder barrel one end are symmetrically set
There is a first through hole, and the mutually separate one end of two groups of first through hole is equipped with block, the centre position of the block is equipped with threaded hole, institute
It states and matched screw rod is installed in threaded hole, one end of the screw rod is connected with fixed block, the other end of the screw rod
Mounting blocks are connected with, the mounting blocks are equipped with two group of second through-hole, and the second through-hole is located at the both sides of screw rod, and described second is logical
Fixed pin is movably installed in hole, the bottom end of the fixed pin is connected with limited block, spring, and bullet are arranged on the limited block
Spring is between mounting blocks and limited block.
Preferably, the guide sleeve is equipped with seal groove, and seal groove matches with sealing ring size.
Preferably, the fixed block matches with fixing groove size.
Preferably, it is equipped with two groups of limiting slots at the top of the block, and two groups of limiting slots are located at the both sides of threaded hole, and limits
Slot matches with limit block size.
Preferably, the fixing groove is located at the underface of first through hole, and is loop configuration.
Compared with prior art, the utility model has the beneficial effects that：It, can when replacing sealing ring in the utility model
It quickly to dismantle guide sleeve, and not only can guarantee the precision of oil cylinder, but also the dismounting of guide sleeve on oil cylinder can be facilitated, in the mistake of dismounting
In journey can never part of damage need dimensional accuracy and piece surface roughness, save the plenty of time.
Description of the drawings
Fig. 1 be the utility model proposes a kind of hydraulic cylinder guide sleeve structural schematic diagram；
Fig. 2 be the utility model proposes a kind of hydraulic cylinder guide sleeve the enlarged drawings that go out of A.
In figure：1 cylinder barrel, 2 pistons, 3 piston rods, 4 sealing rings, 5 guide sleeves, 6 copper sheets, 7 fixing grooves, 8 fixed blocks, 9 gears
Block, 10 threaded holes, 11 screw rods, 12 mounting blocks, 13 springs, 14 fixed pins, 15 limited blocks.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, a kind of guide sleeve of hydraulic cylinder, including cylinder barrel 1 are movably installed with piston 2, piston 2 in cylinder barrel 1
Side wall be fixed with piston rod 3, one end inner wall of cylinder barrel 1 is equipped with sealing ring 4, and one end of cylinder barrel 1 is equipped with guide sleeve 5, guide sleeve 5
Be equipped with seal groove, and seal groove matches with 4 size of sealing ring, piston rod 3 across guide sleeve 5 and with 5 closed cunning of guide sleeve
One end inner wall of dynamic connection, the close piston 2 of guide sleeve 5 is equipped with copper sheet 6, circle of the one end of guide sleeve 5 far from piston 2 along outer wall
Circumferential direction is equipped with fixing groove 7, and fixing groove 7 is located at the underface of first through hole, and is loop configuration, fixed block 8 and fixing groove 7
Size matches, and first through hole is arranged at the top and bottom of 1 one end of cylinder barrel, and two groups of mutually separate one end of first through hole are set
There is block 9,9 top of block is equipped with two groups of limiting slots, and two groups of limiting slots are located at the both sides of threaded hole 10, and limiting slot and limit
15 size of block matches, and the centre position of block 9 is equipped with threaded hole 10, and matched screw rod is equipped in threaded hole 10
11, one end of screw rod 11 is connected with fixed block 8, and the other end of screw rod 11 is connected with mounting blocks 12, and mounting blocks 12 are equipped with two groups
Second through-hole, and the second through-hole is located at the both sides of screw rod 11, and fixed pin 14, the bottom of fixed pin 14 are movably installed in the second through-hole
End is connected with limited block 15, is arranged with spring 13 on limited block 15, and spring 13 is between mounting blocks 12 and limited block 15,
In the utility model, when replacing sealing ring 4, guide sleeve 5 can be quickly dismantled, and not only can guarantee the precision of oil cylinder, but also energy
The dismounting for facilitating guide sleeve 5 on oil cylinder, during dismounting can never part of damage need dimensional accuracy and parts list
The roughness in face, saves the plenty of time.
Operation principle：When needing replacing sealing ring 4, fixed pin 14 is first extracted upwards, fixation is made by rotary screw 11
Block 8 is removed out of fixing groove 7, can remove guide sleeve 5, is conveniently operated personnel's dismounting；After the completion of replacement, installation is needed to lead
To when covering 5, guide sleeve 5 is steadily put into cylinder barrel 1, contra rotating screw 11 makes fixed block 8 be stuck in fixing groove 7, prevents
Guide sleeve 5 falls off in cylinder efficient, and direction fixed pin 14 makes limited block 15 be stuck in limiting slot, prevents screw rod 11 because of oil
It shakes and loosens when cylinder working, make that guide sleeve 5 is fixed more to be fastened, security performance height.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of guide sleeve of hydraulic cylinder, including cylinder barrel (1), which is characterized in that be movably installed with piston in the cylinder barrel (1)
(2), the side wall of the piston (2) is fixed with piston rod (3), and one end inner wall of the cylinder barrel (1) is equipped with sealing ring (4), described
One end of cylinder barrel (1) is equipped with guide sleeve (5), and the piston rod (3) passes through guide sleeve (5) and connects with the closed sliding of guide sleeve (5)
It connects, one end inner wall of the close piston (2) of the guide sleeve (5) is equipped with copper sheet (6), the separate piston (2) of the guide sleeve (5)
One end is equipped with fixing groove (7) along the circumferencial direction of outer wall, and it is logical that first is arranged at the top and bottom of described cylinder barrel (1) one end
Hole, and the mutually separate one end of two groups of first through hole is equipped with block (9), the centre position of the block (9) is equipped with threaded hole (10),
Matched screw rod (11) is installed in the threaded hole (10), one end of the screw rod (11) is connected with fixed block (8),
The other end of the screw rod (11) is connected with mounting blocks (12), and the mounting blocks (12) are equipped with two group of second through-hole, and second
Through-hole is located at the both sides of screw rod (11), and fixed pin (14), the bottom of the fixed pin (14) are movably installed in second through-hole
End is connected with limited block (15), is arranged with spring (13) on the limited block (15), and spring (13) be located at mounting blocks (12) and
Between limited block (15).
2. a kind of guide sleeve of hydraulic cylinder according to claim 1, which is characterized in that the guide sleeve (5) is equipped with
Seal groove, and seal groove matches with sealing ring (4) size.
3. a kind of guide sleeve of hydraulic cylinder according to claim 1, which is characterized in that the fixed block (8) and fixation
Slot (7) size matches.
4. a kind of guide sleeve of hydraulic cylinder according to claim 1, which is characterized in that be equipped at the top of the block (9)
Two groups of limiting slots, and two groups of limiting slots are located at the both sides of threaded hole (10), and limiting slot matches with limited block (15) size.
5. a kind of guide sleeve of hydraulic cylinder according to claim 1, which is characterized in that the fixing groove (7) is located at the
The underface of one through-hole, and be loop configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721493870.2U CN207647887U (en) | 2017-11-10 | 2017-11-10 | A kind of guide sleeve of hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721493870.2U CN207647887U (en) | 2017-11-10 | 2017-11-10 | A kind of guide sleeve of hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207647887U true CN207647887U (en) | 2018-07-24 |
Family
ID=62889001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721493870.2U Expired - Fee Related CN207647887U (en) | 2017-11-10 | 2017-11-10 | A kind of guide sleeve of hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207647887U (en) |
-
2017
- 2017-11-10 CN CN201721493870.2U patent/CN207647887U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20191110 |