CN203796653U - Hydraulic cylinder with rotary oil opening - Google Patents
Hydraulic cylinder with rotary oil opening Download PDFInfo
- Publication number
- CN203796653U CN203796653U CN201420181789.0U CN201420181789U CN203796653U CN 203796653 U CN203796653 U CN 203796653U CN 201420181789 U CN201420181789 U CN 201420181789U CN 203796653 U CN203796653 U CN 203796653U
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- pin shaft
- oil
- hinging pin
- piston rod
- 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 - Lifetime
Links
- 239000000945 filler Substances 0.000 claims description 24
- 239000012530 fluid Substances 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000004880 explosion Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 239000000446 fuel Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Abstract
The utility model discloses a hydraulic cylinder with a rotary oil opening. The hydraulic cylinder with the rotary oil opening comprises a mounting base, a hydraulic cylinder body, a piston and a piston rod, wherein a hinge pin shaft is fixedly mounted on the mounting base, a first oil inlet and a second oil inlet are formed in the end surface of the hinge pin shaft, a first ring-shaped oil passage and a second ring-shaped oil passage are formed in the outer wall of the hinge pin shaft, the left end head of the piston rod is welded on the outer wall of a ring-shaped sleeve, and the ring-shaped sleeve is hinged to the mounting base through the hinge pin shaft; the first ring-shaped oil passage is communicated with the left cavity of the hydraulic cylinder body through a first oil hole formed in the ring-shaped sleeve, a hollow cavity in the piston rod, and a side oil hole formed in the side wall of the piston rod, and the second ring-shaped oil passage is communicated with the right cavity of the hydraulic cylinder body through a second oil hole formed in the ring-shaped sleeve, and an oil pipe penetrating through the hollow cavity and the piston. According to the hydraulic cylinder with the rotary oil opening, the mounting space is saved, the phenomenon of the pipe explosion of a hydraulic rubber pipe assembly can be avoided, the integral structure is compact, and the processing technology is simple.
Description
Technical field
The utility model relates to oil hydraulic cylinder technical field, particularly a kind of for oil hydraulic cylinder swingable on sanitation cart, engineering truck.
Background technique
Existing sanitation cart, engineering truck adopt conventional cylinder, by the hinged installation of two ends, to realize oscillating motion.In oil hydraulic cylinder oscillating motion process, for the pipeline of oil hydraulic cylinder fuel feeding also can swing with oil hydraulic cylinder, structurally require: the pipeline that (1) is connected with oil hydraulic cylinder can not use joints of rigid pipes, must use hydralic hose assembly, to ensure deformable in swing process; (2) space of hydralic hose assembly being installed needs enough large, if it is inadequate that the space of hydralic hose assembly is installed, the bend angle of hydralic hose assembly is less than the minimum angles of sebific duct permission, will cause booster after hydralic hose assembly fatigue damage.
Model utility content
Because the above-mentioned defect that prior art exists, technical problem to be solved in the utility model is to provide a kind of oil hydraulic cylinder with rotation hydraulic fluid port, to solve sanitation cart, engineering truck, that the spatial requirement of hydralic hose assembly is installed is large, and prevent that hydralic hose assembly booster phenomenon from occurring, and makes integral arrangement more compact.
For this reason, the technological scheme that the utility model adopts is: a kind of oil hydraulic cylinder with rotation hydraulic fluid port, comprise fitting seat (1), hydraulic cylinder (2), piston (3) and piston rod (4), described piston (3) is installed in the right-hand member head of piston rod (4), piston (3) is placed in hydraulic cylinder (2), be provided with hinged mounting hole (2c) at the right-hand member of hydraulic cylinder (2), it is characterized in that: on described fitting seat (1), be installed with hinging pin shaft (5), on the end face of hinging pin shaft (5), be provided with the first filler opening (5a) and the second filler opening (5b), on the outer wall of hinging pin shaft (5), be provided with the first ring shaped oil passage (5c) communicating with the first filler opening (5a), the second ring shaped oil passage (5d) communicating with the second filler opening (5b), the left end head of described piston rod (4) is welded on the outer wall of annular cover (6), annular cover (6) is hinged by hinging pin shaft (5) and fitting seat (1), between annular cover (6) and hinging pin shaft (5), be provided with seal ring, described the first ring shaped oil passage (5c) is by being arranged on the first oilhole (6a) on annular cover (6), hollow cavity (4a) in piston rod (4), side oilhole (4b) on piston rod (4) sidewall communicates with the left chamber (2a) of hydraulic cylinder (2), described the second ring shaped oil passage (5d) is by being arranged on the second oilhole (6b) on annular cover (6), passing hollow cavity (4a) and the oil pipe (7) of piston (3) and the right chamber (2b) of hydraulic cylinder (2) communicates.
Be preferably, described hinging pin shaft (5) is with oval termination (5e), and two upper and lower spaced apart lock screws (8) are fixedly mounted on hinging pin shaft (5) on fitting seat (1) through oval termination (5e).By oval termination being set and installing in conjunction with lock screw, simplify the structure, reduce manufacture cost.
Further, described first, second filler opening (5a, 5b) and lock screw (8) are positioned at same one end of hinging pin shaft (5), and first, second filler opening (5a, 5b) is between left and right every layout, and overall structure is more optimized.
The beneficial effects of the utility model are: for the pipeline of oil hydraulic cylinder fuel feeding is connected on two filler openings of hinging pin shaft, because hinging pin shaft does not swing with oil hydraulic cylinder, therefore, oil feed line remains static in oil hydraulic cylinder swing process.The oil feed line being connected with oil hydraulic cylinder both can use joints of rigid pipes, also can use hydralic hose assembly; Meanwhile, save the installing space of oil feed line, extended the working life of oil feed line.Can replace traditional common oil hydraulic cylinder that needs oscillating motion occasion, processing technology is simple, easy for installation, is particularly suitable for sanitation cart, engineering truck use.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the scheme of installation of Fig. 1.
Embodiment
Below by embodiment also by reference to the accompanying drawings, the utility model is described in further detail:
In conjunction with Fig. 1---shown in Fig. 2, a kind of oil hydraulic cylinder with rotation hydraulic fluid port, is made up of fitting seat 1, hydraulic cylinder 2, piston 3, piston rod 4, hinging pin shaft 5, annular cover 6, oil pipe 7, lock screw 8 and seal ring etc.
Piston 3 is installed in the right-hand member head of piston rod 4, and piston 3 is placed in hydraulic cylinder 2, and hydraulic cylinder 2 has been divided into left chamber 2aHe You chamber 2b by piston 3.Be provided with hinged mounting hole 2c at the right-hand member of hydraulic cylinder 2, as the hinged mounting points of oil hydraulic cylinder.
On fitting seat 1, be installed with hinging pin shaft 5, on the end face of hinging pin shaft 5, be provided with the first filler opening 5a and the second filler opening 5b, be respectively used to two oil feed lines of connecting fluid cylinder pressure.On the outer wall of hinging pin shaft 5, be provided with the first ring shaped oil passage 5c communicating with the first filler opening 5a, the second ring shaped oil passage 5d communicating with the second filler opening 5b.The first filler opening 5a is communicated with by the L shaped hole being arranged in hinging pin shaft 5 with the first ring shaped oil passage 5c, and the second filler opening 5b is communicated with by another the L shaped hole being arranged in hinging pin shaft 5 with the second ring shaped oil passage 5d.
The left end head of piston rod 4 is welded on the outer wall of annular cover 6, and annular cover 6 is hinged by hinging pin shaft 5 and fitting seat 1, between annular cover 6 and hinging pin shaft 5, is provided with seal ring.In oil hydraulic cylinder swing process, annular cover 6, hydraulic cylinder 2, piston 3 rotate around hinging pin shaft 5 together with piston rod 4, and hinging pin shaft 5 and fitting seat 1 transfixion.The first ring shaped oil passage 5c communicates with the left chamber 2a of hydraulic cylinder 2 by the side oilhole 4b being arranged on the first oilhole 6a on annular cover 6, hollow cavity 4a, piston rod 4 sidewalls in piston rod 4, the second ring shaped oil passage 5d by being arranged on the second oilhole 6b on annular cover 6, pass hollow cavity 4a and the oil pipe 7 of piston 3 and the right chamber 2b of hydraulic cylinder 2 and communicate.
Preferably, hinging pin shaft 5 is with oval termination 5e, and two upper and lower spaced apart lock screws 8 are fixedly mounted on hinging pin shaft 5 on fitting seat 1 through oval termination 5e.
Further, first, second filler opening 5a, 5b and lock screw 8 are positioned at same one end of hinging pin shaft 5, and first, second filler opening 5a, 5b are between left and right every layout.
Figure 3 shows that the band rotation oil hydraulic cylinder of hydraulic fluid port and the scheme of installation of swing arm 9, shown in Fig. 1, Fig. 2, in the time that the first filler opening 5 enters pressure oil, the left chamber 2a oil pressure of hydraulic cylinder 2 raises, and hydraulic cylinder 2 is retracted; In the time that the second filler opening 5b enters pressure oil, the right chamber 2b oil pressure of hydraulic cylinder 2 raises, and hydraulic cylinder 2 stretches out.Hydraulic cylinder 2 stretch out or the process of retraction movement in, hydraulic cylinder 2 swings around hinging pin shaft 5, swing arm 9 swings around two other articulating point, in the oscillating motion of oil hydraulic cylinder and swing arm 9, first, second filler opening 5a, 5b remain static.
Claims (3)
1. the oil hydraulic cylinder with rotation hydraulic fluid port, comprise fitting seat (1), hydraulic cylinder (2), piston (3) and piston rod (4), described piston (3) is installed in the right-hand member head of piston rod (4), piston (3) is placed in hydraulic cylinder (2), be provided with hinged mounting hole (2c) at the right-hand member of hydraulic cylinder (2), it is characterized in that: on described fitting seat (1), be installed with hinging pin shaft (5), on the end face of hinging pin shaft (5), be provided with the first filler opening (5a) and the second filler opening (5b), on the outer wall of hinging pin shaft (5), be provided with the first ring shaped oil passage (5c) communicating with the first filler opening (5a), the second ring shaped oil passage (5d) communicating with the second filler opening (5b), the left end head of described piston rod (4) is welded on the outer wall of annular cover (6), annular cover (6) is hinged by hinging pin shaft (5) and fitting seat (1), between annular cover (6) and hinging pin shaft (5), be provided with seal ring, described the first ring shaped oil passage (5c) is by being arranged on the first oilhole (6a) on annular cover (6), hollow cavity (4a) in piston rod (4), side oilhole (4b) on piston rod (4) sidewall communicates with the left chamber (2a) of hydraulic cylinder (2), described the second ring shaped oil passage (5d) is by being arranged on the second oilhole (6b) on annular cover (6), passing hollow cavity (4a) and the oil pipe (7) of piston (3) and the right chamber (2b) of hydraulic cylinder (2) communicates.
2. according to the oil hydraulic cylinder of band rotation hydraulic fluid port claimed in claim 1, it is characterized in that: described hinging pin shaft (5) is with oval termination (5e), and two upper and lower spaced apart lock screws (8) are fixedly mounted on hinging pin shaft (5) on fitting seat (1) through oval termination (5e).
3. according to the oil hydraulic cylinder of band rotation hydraulic fluid port claimed in claim 2, it is characterized in that: described first, second filler opening (5a, 5b) and lock screw (8) are positioned at same one end of hinging pin shaft (5), and first, second filler opening (5a, 5b) is between left and right every layout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420181789.0U CN203796653U (en) | 2014-04-15 | 2014-04-15 | Hydraulic cylinder with rotary oil opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420181789.0U CN203796653U (en) | 2014-04-15 | 2014-04-15 | Hydraulic cylinder with rotary oil opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203796653U true CN203796653U (en) | 2014-08-27 |
Family
ID=51378867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420181789.0U Expired - Lifetime CN203796653U (en) | 2014-04-15 | 2014-04-15 | Hydraulic cylinder with rotary oil opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203796653U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564904A (en) * | 2014-12-31 | 2015-04-29 | 中船重工中南装备有限责任公司 | Support oil cylinder |
| CN112594469A (en) * | 2020-11-24 | 2021-04-02 | 中国人民解放军96901部队24分队 | Variable throttling rotary joint based on hydraulic cylinder pin shaft |
| CN117028353A (en) * | 2023-07-28 | 2023-11-10 | 中国船舶集团有限公司第七一三研究所 | Cylinder body, hydraulic cylinder and air cylinder |
-
2014
- 2014-04-15 CN CN201420181789.0U patent/CN203796653U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564904A (en) * | 2014-12-31 | 2015-04-29 | 中船重工中南装备有限责任公司 | Support oil cylinder |
| CN112594469A (en) * | 2020-11-24 | 2021-04-02 | 中国人民解放军96901部队24分队 | Variable throttling rotary joint based on hydraulic cylinder pin shaft |
| CN117028353A (en) * | 2023-07-28 | 2023-11-10 | 中国船舶集团有限公司第七一三研究所 | Cylinder body, hydraulic cylinder and air cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |