CN208557326U - Guide sleeve for hydraulic oil cylinder installation tool and hydraulic cylinder - Google Patents
Guide sleeve for hydraulic oil cylinder installation tool and hydraulic cylinder Download PDFInfo
- Publication number
- CN208557326U CN208557326U CN201821049183.6U CN201821049183U CN208557326U CN 208557326 U CN208557326 U CN 208557326U CN 201821049183 U CN201821049183 U CN 201821049183U CN 208557326 U CN208557326 U CN 208557326U
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- China
- Prior art keywords
- transition part
- guide sleeve
- piston rod
- installation tool
- outer diameter
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- 238000009434 installation Methods 0.000 title claims abstract description 31
- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 21
- 230000007704 transition Effects 0.000 claims abstract description 70
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 238000009795 derivation Methods 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model embodiment discloses a kind of guide sleeve for hydraulic oil cylinder installation tool and hydraulic cylinder, including transition part, the first end of the transition part is used for connection coaxial with the piston rod of hydraulic cylinder, the second end of the transition part is for installing guide sleeve, the outer diameter of the first end is equal with the outer diameter of the piston rod, the outer diameter of the transition part is gradually reduced along the direction of the first end to second end, and the outer diameter of the transition part second end is less than or equal to the internal diameter of the guide sleeve inner seal liner.It can ensure that guide sleeve inner seal liner will not be overturn when installing guide sleeve using the utility model embodiment, and it can guarantee that the sealing element in guide sleeve and piston rod are coaxial, assemble assembly crewman disposably guide sleeve can in place, ensure installation accuracy, overhaul efficiency is improved, the labor intensity of employee is reduced；And structure is simple, and it is convenient to operate.
Description
Technical field
The utility model relates to technical field of hydraulic oil cylinder, and in particular to a kind of guide sleeve for hydraulic oil cylinder installation tool and liquid
Compressing cylinder.
Background technique
The guide sleeve of hydraulic cylinder plays a supportive role.During the piston rod of hydraulic cylinder stretches out, make the piston of hydraulic cylinder
Face contact is kept with cylinder barrel inner surface, and guarantees that piston rod and cylinder barrel are coaxial.Hydraulic cylinder is required to lead after each maintenance
It is assembled on piston rod to set.When installing the guide sleeve that sealing element is housed to piston rod, since the internal diameter of sealing element is less than
The diameter of piston rod, piston rod are easy to knock over sealing element, cause install failure.Therefore, it is necessary to assembly crewman's extreme cares
It is possible that guide sleeve is smoothly installed on the piston rod, it is time-consuming and laborious, influence overhaul efficiency.
Summary of the invention
In view of this, the utility model embodiment proposes a kind of guide sleeve for hydraulic oil cylinder installation tool and hydraulic cylinder, with
Solve above-mentioned technical problem.
The utility model embodiment proposes a kind of guide sleeve for hydraulic oil cylinder installation tool comprising: transition part, the transition
The first end in portion is used for connection coaxial with the piston rod of hydraulic cylinder, and the second end of the transition part is for installing guide sleeve, institute
The outer diameter for stating first end is equal with the outer diameter of the piston rod, and the outer diameter of the transition part is along the side of the first end to second end
To being gradually reduced, and the outer diameter of the transition part second end is less than or equal to the internal diameter of the guide sleeve inner seal liner.
Optionally, the transition part is hollow.
Optionally, it is provided with internal screw thread in the first end of the transition part, external screw thread is provided on the piston rod, it is described
Piston rod is inserted into the first end of the transition part, is connected by the internal screw thread with external screw thread.
Optionally, the internal diameter of the transition part and the piston inner diameter of hydraulic cylinder are equal.
Optionally, the length of the transition part is equal to the sum of the piston length and the external thread length.
Optionally, the taper of the transition part is 1:10.
Optionally, the transition part is made of nylon rod.
The utility model embodiment also provides a kind of hydraulic cylinder comprising piston rod and above-mentioned guide sleeve for hydraulic oil cylinder
Installation tool, transition part connection coaxial with piston rod.
Guide sleeve for hydraulic oil cylinder installation tool provided by the embodiment of the utility model and hydraulic cylinder pass through setting transition part,
The outer diameter of transition part first end and the outer diameter of piston rod are equal, and the outer diameter of transition part gradually subtracts along the direction of first end to second end
Small, the outer diameter of second end is less than or equal to the internal diameter of guide sleeve inner seal liner, it can be ensured that guide sleeve inner seal liner when installation guide sleeve
It will not overturn, and can guarantee that the sealing element in guide sleeve is coaxial with piston rod, be set with assembly crewman can disposably by guiding
With in place, it is ensured that installation accuracy improves overhaul efficiency, reduces the labor intensity of employee；And structure is simple, and it is convenient to operate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the guide sleeve for hydraulic oil cylinder installation tool of the utility model embodiment.
Fig. 2 is the structural schematic diagram of the hydraulic cylinder of the utility model embodiment.
Specific embodiment
Below in conjunction with attached drawing and specific embodiment, the technical solution of the utility model is described in detail.Wherein phase
Same components are presented with like reference characters.It should be noted that word "front", "rear" used in the following description,
"left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" are referred respectively to towards or away from specific
The direction at component geometry center.
Embodiment one
Fig. 1 shows the structural schematic diagram of the guide sleeve for hydraulic oil cylinder installation tool of the utility model embodiment, Fig. 2 shows
The structural schematic diagram of the hydraulic cylinder of the utility model embodiment.As shown in Figs. 1-2, liquid provided by the embodiment of the utility model
Compressing cylinder guide sleeve installation tool comprising: transition part 1.
For the first end 11 of the transition part 1 for connecting with the piston rod 2 of hydraulic cylinder, transition part 1 and piston rod 2 are total
Axis.
The second end 12 of the transition part 1 is for installing guide sleeve 3, the outer diameter of the first end 11 and the piston rod 2
Outer diameter it is equal.
The outer diameter of the transition part 1 is gradually reduced along the direction of first end 11 to the second end 12.Outside second end 12
Diameter is less than or equal to the internal diameter of 3 inner seal liner of guide sleeve.
Guide sleeve for hydraulic oil cylinder installation tool is in use, transition part 1 is mounted on piston rod 2.When installation guide sleeve 3
When, the guide sleeve 3 equipped with first seal 31, second seal 32 can be directly set in the second end 12 of transition part 1.
Guide sleeve 3 is moved along transition part 1, and the internal diameter of first seal 31, second seal 32 can be gradually increased to work
The outer diameter of stopper rod 2 is mounted on guide sleeve 3 smoothly on piston rod 2.After guide sleeve 3 is installed to piston rod 2, transition part 1 is torn open
It unloads down.
Guide sleeve for hydraulic oil cylinder installation tool provided by the embodiment of the utility model passes through setting transition part, transition part first
The outer diameter at end and the outer diameter of piston rod are equal, and the outer diameter of transition part is gradually reduced along the direction of first end to second end, second end
Outer diameter be less than or equal to guide sleeve inner seal liner internal diameter, it can be ensured that installation guide sleeve when guide sleeve inner seal liner will not overturn,
And can guarantee that the sealing element in guide sleeve is coaxial with piston rod, assemble assembly crewman disposably guide sleeve can in place, really
Installation accuracy is protected, overhaul efficiency is improved, reduces the labor intensity of employee；And structure is simple, and it is convenient to operate.
Embodiment two
On the basis of the above embodiment 1, optionally, the transition part 1 is hollow, to reduce the weight of transition part 1, just
In handling and operation.
As shown in Figure 1, transition part 1 is in a tubular form, the internal diameter of 1 first end 11 of transition part is greater than the internal diameter of second end 12, transition
The wall thickness of 1 first end 11 of portion is less than the wall thickness of second end 12, so as to preferably loss of weight.
Preferably, being provided with internal screw thread in the first end 11 of the transition part 1, it is provided with external screw thread on the piston rod 2,
The piston rod 2 is inserted into the first end 11 of the transition part 1, is connected by the internal screw thread with external screw thread.By piston rod 2 with
Transition part 1 is set as being spirally connected, and can facilitate the handling of transition part 1, improves overhaul efficiency.
Further, the internal diameter of the transition part 1 is equal with the piston inner diameter of hydraulic cylinder, to facilitate transition part 1 and live
The assembly of stopper rod 2, further improves overhaul efficiency.
Preferably, the length of the transition part 1 is equal to the sum of the piston length and the external thread length, is guaranteeing to lead
In the case where set 3 smoothly installation, the volume for reducing transition part 1 facilitates the dress of transition part 1 to mitigate the weight of transition part 1
It unloads, improves overhaul efficiency.
Preferably, the taper of the transition part 1 is 1:10, so that guide sleeve 3 is preferably installed, overhaul efficiency is improved.Its
In, taper=2* (D-d)/h, wherein D is the outer diameter of first end 11, and d is the outer diameter of second end 12, and h is the length of transition part 1.
Further, the transition part 1 is made of nylon rod.Nylon rod has the spies such as the strong, good stability of the dimension of tear resistance
Point, can avoid transition part 1 and wears, and guarantee that the outer diameter of 1 first end 11 of transition part is equal with the outer diameter of piston rod 2 to the maximum extent,
The service life for extending transition part 1, reduces cost.
Embodiment three
The utility model embodiment also provides a kind of hydraulic cylinder comprising piston rod and such as embodiment one or embodiment
Guide sleeve for hydraulic oil cylinder installation tool in two, transition part connection coaxial with piston rod.
Hydraulic cylinder provided by the embodiment of the utility model passes through setting transition part, the outer diameter and piston of transition part first end
The outer diameter of bar is equal, and the outer diameter of second end is less than or equal to the internal diameter of guide sleeve inner seal liner, it can be ensured that is oriented to when installation guide sleeve
Set inner seal liner will not be overturn, and can guarantee that the sealing element in guide sleeve is coaxial with piston rod, keep assembly crewman disposable
In place by guide sleeve assembly, it is ensured that installation accuracy improves overhaul efficiency, reduces the labor intensity of employee；And structure is simple, behaviour
It is convenient to make.
More than, the technical solution of the utility model is described in detail in conjunction with specific embodiments, it is described specific
Embodiment is used to help understand the thought of the utility model.Those skilled in the art are on the basis of the utility model specific embodiment
On the derivation made and modification also belong within scope of protection of the utility model.
Claims (8)
1. a kind of guide sleeve for hydraulic oil cylinder installation tool characterized by comprising the first end of transition part, the transition part is used
In connection coaxial with the piston rod of hydraulic cylinder, the second end of the transition part for installing guide sleeve, the first end it is outer
Diameter is equal with the outer diameter of the piston rod, and the outer diameter of the transition part is gradually reduced along the direction of the first end to second end,
And the outer diameter of the transition part second end is less than or equal to the internal diameter of the guide sleeve inner seal liner.
2. guide sleeve for hydraulic oil cylinder installation tool as described in claim 1, which is characterized in that the transition part is hollow.
3. guide sleeve for hydraulic oil cylinder installation tool as claimed in claim 2, which is characterized in that in the first end of the transition part
It is provided with internal screw thread, external screw thread is provided on the piston rod, the piston rod is inserted into the first end of the transition part, passes through
The internal screw thread is connected with external screw thread.
4. guide sleeve for hydraulic oil cylinder installation tool as claimed in claim 3, which is characterized in that the internal diameter and liquid of the transition part
The piston inner diameter of compressing cylinder is equal.
5. guide sleeve for hydraulic oil cylinder installation tool as claimed in claim 4, which is characterized in that the length of the transition part is equal to
The sum of the piston length and the external thread length.
6. guide sleeve for hydraulic oil cylinder installation tool a method as claimed in any one of claims 1 to 5, which is characterized in that the cone of the transition part
Degree is 1:10.
7. guide sleeve for hydraulic oil cylinder installation tool a method as claimed in any one of claims 1 to 5, which is characterized in that the transition part is by Buddhist nun
Imperial stick is made.
8. a kind of hydraulic cylinder, which is characterized in that be oriented to including piston rod and hydraulic cylinder as claimed in claim 1
Cover installation tool, transition part connection coaxial with piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821049183.6U CN208557326U (en) | 2018-07-04 | 2018-07-04 | Guide sleeve for hydraulic oil cylinder installation tool and hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821049183.6U CN208557326U (en) | 2018-07-04 | 2018-07-04 | Guide sleeve for hydraulic oil cylinder installation tool and hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208557326U true CN208557326U (en) | 2019-03-01 |
Family
ID=65491007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821049183.6U Active CN208557326U (en) | 2018-07-04 | 2018-07-04 | Guide sleeve for hydraulic oil cylinder installation tool and hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208557326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293389A (en) * | 2019-06-27 | 2019-10-01 | 上海五钢设备工程有限公司 | Diameter forging machine cylinder copper sleeve mounting process |
-
2018
- 2018-07-04 CN CN201821049183.6U patent/CN208557326U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110293389A (en) * | 2019-06-27 | 2019-10-01 | 上海五钢设备工程有限公司 | Diameter forging machine cylinder copper sleeve mounting process |
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