CN204113802U - A kind of hydraulic jack of high resiliency - Google Patents
A kind of hydraulic jack of high resiliency Download PDFInfo
- Publication number
- CN204113802U CN204113802U CN201420585303.XU CN201420585303U CN204113802U CN 204113802 U CN204113802 U CN 204113802U CN 201420585303 U CN201420585303 U CN 201420585303U CN 204113802 U CN204113802 U CN 204113802U
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- CN
- China
- Prior art keywords
- piston
- boss
- guide sleeve
- piston rod
- cylinder barrel
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- 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 hydraulic jack of high resiliency, comprise cylinder barrel, cylinder tail, guide sleeve, piston and piston rod; Described cylinder tail and guide sleeve are separately positioned on the two ends of cylinder barrel; Slide in described cylinder barrel and be provided with piston, be installed with annular array boss on the right side of piston, be installed with contact block on the top of boss; The left end start-up portion of guide sleeve offers the horizontal groove corresponding with boss, the diameter of groove and the equal diameters of boss, and the right-hand member of groove is fixed with two support blocks, and two support blocks are fixed with tinsel jointly.Boss and groove is utilized to cooperatively interact corresponding setting in the utility model, making the fluid closed produce suitable compensator or trimmer pressure acts on piston, resist mutually with the inertial force of piston, contact block and tinsel more strengthen cushioning effect, weaken the impact of piston, tinsel is taken into account provides power to the reversing motion of piston, and the utility model structure is simple, be convenient to processing, good buffer effect.
Description
Technical field
The utility model relates to a kind of hydraulic jack, specifically a kind of hydraulic jack of high resiliency.
Background technique
Buffering hydraulic oil cylinder structure of the prior art mainly contains two kinds: one is cushion collar and piston integral structure; Another kind is cushion collar and piston split-type structural.Cushion collar and piston split-type structural are mainly used in the larger situation in oil cylinder design space; When the design space of oil cylinder is not enough, usually adopt cushion collar and piston integral structure, namely cylinder cap embedded SMA actuators goes out groove, and piston processes boss, utilizes the cooperation of tongue and groove to realize buffering.
Summary of the invention
It is simple that the purpose of this utility model is to provide a kind of structure, and be convenient to processing, good buffer effect, the hydraulic jack of the high resiliency of energy saving, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technological scheme:
A hydraulic jack for high resiliency, comprises cylinder barrel, cylinder tail, guide sleeve, piston and piston rod; Described cylinder tail and guide sleeve are separately positioned on the two ends of cylinder barrel, and cylinder tail, guide sleeve are connected with cylinder barrel respectively by screw; Slide in described cylinder barrel and be provided with piston, piston packing is provided with between piston and inner wall of cylinder, tapped hole is provided with in piston, piston rod is fixed on piston by tapped hole, is provided with O RunddichtringO between piston rod and piston, is installed with annular array boss on the right side of piston, boss is cylindrical body, be installed with contact block on the top of boss, contact block is hemisphere, the central axis of contact block and the central axes of boss; The right-hand member of described piston rod is through guide sleeve, this special seal is provided with between piston rod and guide sleeve, the left end start-up portion of guide sleeve offers the horizontal groove corresponding with boss, the diameter of groove and the equal diameters of boss, the length of boss is less than the length 2 ~ 4mm of the length of groove, and the right-hand member of groove is fixed with two support blocks, and two support blocks are fixed with tinsel jointly, the right-hand member start-up portion of guide sleeve is fixed with dust ring, and piston rod is through dust ring.
Further: describedly on cylinder tail and cylinder barrel, to be respectively arranged with oilhole.
Further: described boss 3 ~ 5 of being provided with, diameter is 1/6 ~ 1/5 of piston diameter.
Further: on the right-hand member of piston rod, to be installed with earrings.
Further: to offer installation passage in described piston rod, the diameter installing passage is 1/3 ~ 1/2 of the diameter of piston rod.
Compared with prior art, the beneficial effects of the utility model are: utilize boss and groove to cooperatively interact corresponding setting in the utility model, making the fluid closed produce suitable compensator or trimmer pressure acts on piston, and resist mutually with the inertial force of piston, contact block and tinsel more strengthen cushioning effect, weaken the impact of piston, and tinsel is taken into account and provided power to the reversing motion of piston, energy saving, the utility model structure is simple, be convenient to processing, good buffer effect.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of hydraulic jack of high resiliency.
Fig. 2 is the structure for amplifying schematic diagram of A in Fig. 1.
Fig. 3 is the right TV structure schematic diagram of piston in a kind of hydraulic jack of high resiliency.
In figure: 1-cylinder barrel, 2-cylinder tail, 3-guide sleeve, 4-piston, 5-piston rod, 6-boss, 7-groove, 8-contact block, 9-tinsel, 10-installs passage, 11-earrings, 12-piston packing, 13-O RunddichtringO, the special seal of 14-Si, 15-dust ring, 16-support block, 17-tapped hole.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to figure, in the utility model embodiment, a kind of hydraulic jack of high resiliency, comprises cylinder barrel 1, cylinder tail 2, guide sleeve 3, piston 4 and piston rod 5, described cylinder tail 2 and guide sleeve 3 are separately positioned on the two ends of cylinder barrel 1, and cylinder tail 2, guide sleeve 3 are connected with cylinder barrel 1 respectively by screw, and cylinder tail 2 and cylinder barrel 1 are respectively arranged with oilhole, slide in described cylinder barrel 1 and be provided with piston 4, piston packing 12 is provided with between piston 4 and cylinder barrel 1 inwall, the left and right sides cavity sealing of piston 4 is not communicated, tapped hole 17 is provided with in piston 4, piston rod 5 is fixed on piston 4 by tapped hole 17, O RunddichtringO 13 is provided with between piston rod 5 and piston 4, O RunddichtringO 13 makes to seal between piston 4 and piston rod 5, 3 ~ 5 boss 6 of annular array are installed with on the right side of piston 4, boss 6 is cylindrical body, diameter is 1/6 ~ 1/5 of piston 4 diameter, contact block 8 is installed with on the top of boss 6, contact block 8 is hemisphere, the central axis of contact block 8 and the central axes of boss 6, the right-hand member of described piston rod 5 is through guide sleeve 3, the right-hand member of piston rod 5 is installed with earrings 11, this special seal 14 is provided with between piston rod 5 and guide sleeve 3, the left end start-up portion of guide sleeve 3 offers the horizontal groove 7 corresponding with boss 6, the diameter of groove 7 and the equal diameters of boss 6, the length of boss 6 is less than the length 2 ~ 4mm of the length of groove 7, the right-hand member of groove 7 is fixed with two support blocks 16, two support blocks 16 are fixed with tinsel 9 jointly, the right-hand member start-up portion of guide sleeve 3 is fixed with dust ring 15, and piston rod 5 is through dust ring 15, offer installation path 10 in described piston rod 5, the diameter installing path 10 is 1/3 ~ 1/2 of the diameter of piston rod 5, installs in path 10 and is provided with electric wire or pipeline etc.When piston 4 moves right, during to stroke-end position, the boss 6 of piston 4 enters in the groove 7 on guide sleeve 3, cylinder barrel 1 inner fluid is discharged from the boss 6 of piston 4 with groove 7 matching gap guide sleeve 3, thus make the fluid closed produce suitable compensator or trimmer pressure to act on piston 4, resist mutually with the inertial force of piston 4, when the contact block 8 on boss 6 contacts with the tinsel 9 in groove 7, because tinsel 9 can bend, reduce piston 4 to cushion, tinsel 9 stored energy of bending, provides power to the reversing motion of piston.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any reference character in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to mode of execution, but not each mode of execution only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technological scheme in each embodiment also through appropriately combined, can form other mode of executions that it will be appreciated by those skilled in the art that.
Claims (5)
1. a hydraulic jack for high resiliency, comprises cylinder barrel (1), cylinder tail (2), guide sleeve (3), piston (4) and piston rod (5), it is characterized in that: described cylinder tail (2) and guide sleeve (3) are separately positioned on the two ends of cylinder barrel (1), and cylinder tail (2), guide sleeve (3) are connected with cylinder barrel (1) respectively by screw, slide in described cylinder barrel (1) and be provided with piston (4), piston packing (12) is provided with between piston (4) and cylinder barrel (1) inwall, tapped hole (17) is provided with in piston (4), piston rod (5) is fixed on piston (4) by tapped hole (17), O RunddichtringO (13) is provided with between piston rod (5) and piston (4), the boss (6) of annular array is installed with on the right side of piston (4), boss (6) is cylindrical body, contact block (8) is installed with on the top of boss (6), contact block (8) is hemisphere, the central axis of contact block (8) and the central axes of boss (6), the right-hand member of described piston rod (5) is through guide sleeve (3), this special seal (14) is provided with between piston rod (5) and guide sleeve (3), the left end start-up portion of guide sleeve (3) offers the horizontal groove (7) corresponding with boss (6), the diameter of groove (7) and the equal diameters of boss (6), the length of boss (6) is less than the length 2 ~ 4mm of the length of groove (7), the right-hand member of groove (7) is fixed with two support blocks (16), two support blocks (16) are fixed with tinsel (9) jointly, the right-hand member start-up portion of guide sleeve (3) is fixed with dust ring (15), and piston rod (5) is through dust ring (15).
2. the hydraulic jack of a kind of high resiliency according to claim 1, is characterized in that: describedly on cylinder tail (2) and cylinder barrel (1), be respectively arranged with oilhole.
3. the hydraulic jack of a kind of high resiliency according to claim 1, is characterized in that: described boss (6) 3 ~ 5 of being provided with, diameter is 1/6 ~ 1/5 of piston (4) diameter.
4. the hydraulic jack of a kind of high resiliency according to claim 1, is characterized in that: on the right-hand member of piston rod (5), be installed with earrings (11).
5. the hydraulic jack of a kind of high resiliency according to claim 1, is characterized in that: offer in described piston rod (5) and install passage (10), and the diameter installing passage (10) is 1/3 ~ 1/2 of the diameter of piston rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420585303.XU CN204113802U (en) | 2014-10-11 | 2014-10-11 | A kind of hydraulic jack of high resiliency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420585303.XU CN204113802U (en) | 2014-10-11 | 2014-10-11 | A kind of hydraulic jack of high resiliency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113802U true CN204113802U (en) | 2015-01-21 |
Family
ID=52331116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420585303.XU Expired - Fee Related CN204113802U (en) | 2014-10-11 | 2014-10-11 | A kind of hydraulic jack of high resiliency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204113802U (en) |
-
2014
- 2014-10-11 CN CN201420585303.XU patent/CN204113802U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150121 Termination date: 20191011 |