CN209354470U - A kind of Split type hydraulic the cylinder piston structure - Google Patents
A kind of Split type hydraulic the cylinder piston structure Download PDFInfo
- Publication number
- CN209354470U CN209354470U CN201920053131.4U CN201920053131U CN209354470U CN 209354470 U CN209354470 U CN 209354470U CN 201920053131 U CN201920053131 U CN 201920053131U CN 209354470 U CN209354470 U CN 209354470U
- Authority
- CN
- China
- Prior art keywords
- piston
- rod
- piston rod
- split type
- component
- 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.)
- Active
Links
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
- Actuator (AREA)
Abstract
The utility model discloses a kind of Split type hydraulic the cylinder piston structures, including the piston rod being arranged in hydraulic cylinder, and it is fitted to the piston component of piston rod one end, the sliding of piston component oil seal is set in hydraulic cylinder, piston component includes the first piston for being sequentially placed on piston rod periphery, Glais ring component and second piston, piston rod is equipped with the limiting stand terrace for limiting first piston axial movement, and screw connection structure is equipped between second piston and piston rod.When this patent Product Assembly, on the piston rod by first piston set first, then Glais ring component is placed in second piston, finally screws second piston on the piston rod together with Glais ring component, Glais ring component top is finally made to fit over the side wall of first piston.The utility model makees the processing expanded or shunk without the pistons such as plaid matching Lay coil assembly envelope, avoids the deformation and damage of piston envelope.And have the characteristics that installation is quick, precision is high and runs smoothly.
Description
Technical field
The utility model relates to hydraulic cylinder field, there is it for hydraulic cylinder piston, specifically a kind of Split type hydraulic
The cylinder piston structure.
Background technique
In the design of existing hydraulic cylinder piston, usual piston is integral design, in harder work such as installation Glais rings
When plug seal, often needing to expand inner seal diameter can be just attached on piston, again must easily make reduced diameter after loading
It deforms and damages at sealing element.The especially difficult dress of the sealing element of small size.
Summary of the invention
Technical problem to be solved in the utility model be in view of the above-mentioned state of the art, and provide topology layout conjunction
Reason, each mechanism cooperation precision be high, it is easy for installation, run smoothly and a kind of Split type hydraulic the cylinder piston structure of good airproof performance.
Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of Split type hydraulic the cylinder piston knot
Structure including the piston rod being arranged in hydraulic cylinder, and is fitted to the piston component of piston rod one end, piston component oil seal
Sliding is set in hydraulic cylinder, and piston component includes the first piston for being sequentially placed on piston rod periphery, Glais ring component and the
Two pistons, piston rod are equipped with the limiting stand terrace for limiting first piston axial movement, set between second piston and piston rod
There is screw connection structure.
To optimize above-mentioned technical proposal, the measure taken further include:
The periphery of above-mentioned first piston is equipped with first guiding wear-resistant strip of the oil Mi Ding assigned in hydraulic cylinder, second piston
Periphery is equipped with second guiding wear-resistant strip of the oil Mi Ding assigned in hydraulic cylinder.
Above-mentioned piston rod is equipped with the first O-ring seals that oil Mi Ding is assigned in first piston, and piston rod is equipped with oil Mi Ding and matches
In the second O-ring seals of second piston.
Above-mentioned second piston includes the ring bodies that top is assigned in Glais ring component, and is connected through a screw thread structure and is coupled to
The locknut of piston rod.
Above-mentioned ring bodies includes the ring convex for being placed on the inner ring of Glais ring component, and first piston is equipped with matches with ring convex bumps
The first counterbore closed.
Above-mentioned ring bodies is equipped with the second counterbore with locknut male-female engagement.
Holding screw is axially arranged between above-mentioned locknut and piston rod.
The end of above-mentioned locknut, which is evenly distributed with, rolls the steel ball that top is set to ring bodies.
The piston rod of above-mentioned all schemes includes that the preceding body of rod connected by joint structure and the rear body of rod, piston component are set
In on the rear body of rod.
Above-mentioned joint structure includes the spherical hole of rod end shaft core position before being set to, and is set to the rear body of rod and exists
The sphere rotated in spherical shape hole.
Compared with prior art, a kind of Split type hydraulic the cylinder piston structure of the utility model, including be arranged in hydraulic cylinder
Piston rod in body, and it is fitted to the piston component of piston rod one end, the sliding of piston component oil seal is set in hydraulic cylinder,
Piston component includes the first piston for being sequentially placed on piston rod periphery, Glais ring component and second piston, and piston rod, which is equipped with, to be used
In the limiting stand terrace of limitation first piston axial movement, screw connection structure is equipped between second piston and piston rod.This is specially
When sharp Product Assembly, on the piston rod by first piston set first, then Glais ring component is placed in second piston, finally by the
Two pistons screw on the piston rod together with Glais ring component, and Glais ring component top is finally made to fit over the side wall of first piston.This reality
Make the processing expanded or shunk without the pistons such as plaid matching Lay coil assembly envelope with novel, avoids the deformation and damage of piston envelope.And
Have the characteristics that installation is quick, precision is high and runs smoothly.
Detailed description of the invention
Fig. 1 is the schematic perspective view of hydraulic cylinder where the utility model；
Fig. 2 is the structural schematic diagram that the utility model is equipped in hydraulic cylinder；
Fig. 3 is the utility model structure diagram；
Fig. 4 is the decomposition texture schematic diagram of Fig. 3；
Fig. 5 is the structural schematic diagram of second piston in Fig. 4；
Fig. 6 is the structural schematic diagram of joint structure in the utility model prioritization scheme.
Specific embodiment
The embodiments of the present invention are described in further detail below in conjunction with attached drawing.
Fig. 1 to Fig. 6 is the structural schematic diagram of the utility model.
Appended drawing reference therein are as follows: piston rod 1, the preceding body of rod 12, the rear body of rod 13, hydraulic cylinder 2, is lived at limiting stand terrace 11
Plug assembly 3, first piston 4, the first counterbore 41, Glais ring component 5, second piston 6, ring bodies 61, ring convex 611, the second counterbore
612, it is close to be oriented to the guiding of wear-resistant strip 71, second wear-resistant strip 72, the first O shape for locknut 62, steel ball 621, holding screw 63, first
Seal 73, the second O-ring seals 74, screw connection structure 8, joint structure 9, spherical hole 91, sphere 92.
Fig. 1 to Fig. 6 is the structural schematic diagram of the utility model, as shown, a kind of Split type hydraulic of the utility model
The cylinder piston structure including the piston rod 1 being arranged in hydraulic cylinder 2, and is fitted to the piston component 3 of 1 one end of piston rod, living
The sliding of 3 oil seal of plug assembly is set in hydraulic cylinder 2, and piston component 3 includes the first piston for being sequentially placed on 1 periphery of piston rod
4, Glais ring component 5 and second piston 6, piston rod 1 are equipped with the limiting stand terrace 11 for limiting the axial movement of first piston 4,
Screw connection structure 8 is equipped between second piston 6 and piston rod 1.When this patent Product Assembly, first by 4 sets of first piston in work
On stopper rod 1, then Glais ring component 5 is placed in second piston 6, finally screws second piston 6 together with Glais ring component 5
On piston rod 1, Glais ring component 5 is finally made to push up the side wall for fitting over first piston 4.The utility model is not necessarily to plaid matching Lay coil assembly 5
Equal pistons envelope makees the processing expanded or shunk, avoids the deformation and damage of piston envelope.And there is quick installation, precision height and fortune
The steady feature of row.
The periphery of above-mentioned first piston 4 be equipped with oil Mi Ding assigned in hydraulic cylinder 2 first be oriented to wear-resistant strip 71, as Fig. 2,
Shown in 3 and Fig. 4, the periphery of second piston 6 is equipped with second guiding wear-resistant strip 72 of the oil Mi Ding assigned in hydraulic cylinder 2.First guiding
Wear-resistant strip 71 and the second guiding wear-resistant strip 72 support piston rod 1, and the weight of piston rod 1 is prevented all to be pressed in Glais ring component 5
On, to extend the service life of Glais ring component 5.
Above-mentioned piston rod 1 is equipped with the first O-ring seals 73 that oil Mi Ding is assigned in first piston 4, such as Fig. 2,3 and Fig. 4 institute
Show, piston rod 1 is equipped with the second O-ring seals 74 that oil Mi Ding is assigned in second piston 6.First O-ring seals 73 can prevent greasy dirt
Into in the gap of first piston 4 and second piston 6；And the second O-ring seals 74 can prevent greasy dirt from entering screw connection structure
8。
Above-mentioned second piston 6 includes the ring bodies 61 that top is assigned in Glais ring component 5, and is connected through a screw thread structure 8
It is coupled to the locknut 62 of piston rod 1, as shown in Figure 3 and Figure 4.Ring bodies 61 is able to maintain itself circumferential stabilization, prevents
Locknut 62 sprains Glais ring component 5 during rotating.Second piston 6 is divided to for ring bodies 61 and locknut 62 two solely
Vertical component is to carry out assembly manipulation in narrow hydraulic cylinder 2 for convenience.
Above-mentioned ring bodies 61 includes the ring convex 611 for being placed on the inner ring of Glais ring component 5, and first piston 4 is equipped with and ring
First counterbore 41 of convex 611 male-female engagement, as shown in Figure 4 and Figure 5.Ring convex 611 can strut Glais ring component 5, and can prevent oil
Liquid penetrates into Glais ring component 5 from the lower section of Glais ring component 5.
Above-mentioned ring bodies 61 is equipped with the second counterbore 612 with 62 male-female engagement of locknut, as shown in Figure 5.Ring bodies
61 parts are covered in the periphery of locknut 62, keep cooperation more stable.After locknut 62 and piston rod 1 are threadedly engaged successfully,
The transverse shifting of ring bodies 61 can be limited.
Holding screw 63 is axially arranged between above-mentioned locknut 62 and piston rod 1, as shown in Fig. 2,3,4 and Fig. 6, tightly
Determining screw 63 can prevent locknut 62 during equipment operation from generating loosening.
The end of above-mentioned locknut 62, which is evenly distributed with, rolls the steel ball 621 that top is set to ring bodies 61, such as Fig. 6 institute
Show, steel ball 621 can reduce the coefficient of friction of locknut 62 and ring bodies 61, avoid band during rotation of locknut 62
Dynamic ring bodies 61 rotates.
The piston rod 1 of above-mentioned all schemes includes the preceding body of rod 12 and the rear body of rod 13 connected by joint structure 9, piston
Component 3 is set on the rear body of rod 13, as shown in Figure 6.Due to various reasons, Glais ring component 5 will appear concentrated wear, such as hydraulic
2 inside of cylinder body is because of concentrated wear caused by making or using the small protrusion meeting plaid matching Lay coil assembly 5 generated in the process, in another example gravity
It influences, Glais ring component 5 oppresses downwards hydraulic cylinder 2, therefore the lower section of Glais ring component 5 is prone to wear, when Glais ring component 5
After concentrated wear, oil liquid is easy leakage, but due to there is joint structure 9, piston rod 1 is enabled to pass through the elasticity of Glais ring component 5
Deformation is come the angle of the body of rod 13 after adjusting, to temporarily avoid leaking.
Above-mentioned joint structure 9 includes the spherical hole 91 of the body of rod 12 end shaft core position before being set to, and after being set to
The sphere 92 that the body of rod 13 rotates in spherical hole 91 forms ten thousand as shown in fig. 6, sphere 92 is limited in rotation in spherical hole 91
To ball.
The most preferred embodiment of the utility model has illustrated, the various change or remodeling made by those of ordinary skill in the art
All without departing from the scope of the utility model.
Claims (10)
1. a kind of Split type hydraulic the cylinder piston structure including the piston rod (1) being arranged in hydraulic cylinder (2), and is fitted to
The piston component (3) of described piston rod (1) one end, the sliding of the piston component (3) oil seal are set to the hydraulic cylinder
In body (2), it is characterized in that: the piston component (3) includes the first piston for being sequentially placed on described piston rod (1) periphery
(4), Glais ring component (5) and second piston (6), the piston rod (1) are equipped with for limiting described first piston (4) axis
To mobile limiting stand terrace (11), screw connection structure is equipped between the second piston (6) and the piston rod (1)
(8)。
2. a kind of Split type hydraulic the cylinder piston structure according to claim 1, it is characterized in that: the first piston (4)
Periphery be equipped with oil Mi Ding assigned in the hydraulic cylinder (2) first be oriented to wear-resistant strip (71), the second piston (6)
Periphery is equipped with second guiding wear-resistant strip (72) of the oil Mi Ding assigned in the hydraulic cylinder (2).
3. a kind of Split type hydraulic the cylinder piston structure according to claim 2, it is characterized in that: the piston rod (1) is set
There is oily Mi Ding to be assigned in the first O-ring seals (73) of the first piston (4), the piston rod (1) is equipped with oil Mi Ding and matches
In the second O-ring seals (74) of the second piston (6).
4. a kind of Split type hydraulic the cylinder piston structure according to claim 3, it is characterized in that: the second piston (6)
It is assigned in the ring bodies (61) of the Glais ring component (5) including pushing up, and is coupled to by the screw connection structure (8)
The locknut (62) of the piston rod (1).
5. a kind of Split type hydraulic the cylinder piston structure according to claim 4, it is characterized in that: the ring bodies (61) wraps
The ring convex (611) for being placed on the inner ring of the Glais ring component (5) are included, the first piston (4) is equipped with and the ring
The first counterbore (41) of convex (611) male-female engagement.
6. a kind of Split type hydraulic the cylinder piston structure according to claim 5, it is characterized in that: the ring bodies (61) is set
There is the second counterbore (612) with the locknut (62) male-female engagement.
7. a kind of Split type hydraulic the cylinder piston structure according to claim 6, it is characterized in that: the locknut (62)
Holding screw (63) are axially arranged between the piston rod (1).
8. a kind of Split type hydraulic the cylinder piston structure according to claim 7, it is characterized in that: the locknut (62)
End be evenly distributed with roll top be set to the ring bodies (61) steel ball (621).
9. according to claim 1 to a kind of Split type hydraulic the cylinder piston structure described in 8 any claims, it is characterized in that: institute
The piston rod (1) stated includes the preceding body of rod (12) and the rear body of rod (13) connected by joint structure (9), the piston component
(3) it is set on the rear body of rod (13).
10. a kind of Split type hydraulic the cylinder piston structure according to claim 9, it is characterized in that: the joint structure (9)
(91) are cheated including being set to the spherical of the preceding body of rod (12) end shaft core position, and are set to the rear body of rod (13) in the spherical shape
Cheat the sphere (92) rotated in (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920053131.4U CN209354470U (en) | 2019-01-14 | 2019-01-14 | A kind of Split type hydraulic the cylinder piston structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920053131.4U CN209354470U (en) | 2019-01-14 | 2019-01-14 | A kind of Split type hydraulic the cylinder piston structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209354470U true CN209354470U (en) | 2019-09-06 |
Family
ID=67801662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920053131.4U Active CN209354470U (en) | 2019-01-14 | 2019-01-14 | A kind of Split type hydraulic the cylinder piston structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209354470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578374A (en) * | 2019-01-14 | 2019-04-05 | 宁波市海达塑料机械有限公司 | A kind of Split type hydraulic the cylinder piston structure |
-
2019
- 2019-01-14 CN CN201920053131.4U patent/CN209354470U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578374A (en) * | 2019-01-14 | 2019-04-05 | 宁波市海达塑料机械有限公司 | A kind of Split type hydraulic the cylinder piston structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209354470U (en) | A kind of Split type hydraulic the cylinder piston structure | |
| CN106312914B (en) | Cup, diff. side bearing dismantles accessory | |
| KR20130084357A (en) | Swivel joint | |
| CN109578374A (en) | A kind of Split type hydraulic the cylinder piston structure | |
| CN209705088U (en) | A kind of Biserial cylindrical roller bearing convenient for lubricating oil flow | |
| CN103775815A (en) | Fluid discharge gun | |
| CN103438308A (en) | Bidirectional fully-sealed rotary joint for fluid conveying | |
| CN104295749B (en) | A kind of associated sealing arrangement for bearings | |
| CN202300919U (en) | Guide piston structure | |
| CN207795869U (en) | Lubricating oil evenly distributes profile shaft and holds | |
| CN104344124A (en) | Rotating joint for liquid loading/unloading arm | |
| CN208870929U (en) | Antifriction bearing | |
| CN113153980B (en) | Split type worm and drive mechanism thereof | |
| CN205937291U (en) | Servo pneumatic cylinder device | |
| CN207393753U (en) | Boundary lubrication bearing easy to disassemble | |
| CN104389907B (en) | Anti-wearing liner | |
| CN106287095B (en) | A kind of pipeline compensator | |
| CN207268161U (en) | A kind of sucker rod rotary anti-abrasion device and its connecting shaft | |
| CN105910427A (en) | Composite rotary kiln sealing device | |
| US10107313B2 (en) | Rotary actuator | |
| CN205371296U (en) | Outer tooth -like double reducing ball formula slewing bearing | |
| CN108679096A (en) | A kind of turbine spindle for generator is held | |
| CN106286582B (en) | A kind of cylindrical roll bearing for rolling mills | |
| CN105276015A (en) | Universal joint cross shaft assembly | |
| CN204344408U (en) | For the piston assembly of compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |