CN208294876U - A kind of composite hydraulic cylinder - Google Patents
A kind of composite hydraulic cylinder Download PDFInfo
- Publication number
- CN208294876U CN208294876U CN201820941450.4U CN201820941450U CN208294876U CN 208294876 U CN208294876 U CN 208294876U CN 201820941450 U CN201820941450 U CN 201820941450U CN 208294876 U CN208294876 U CN 208294876U
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- China
- Prior art keywords
- piston
- cylinder
- fluid port
- hydraulic fluid
- plunger
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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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- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 47
- 230000001105 regulatory effect Effects 0.000 claims abstract description 16
- 238000005461 lubrication Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims 1
- 230000002441 reversible effect Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 16
- 239000000428 dust Substances 0.000 abstract description 4
- 239000010720 hydraulic oil Substances 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 230000002457 bidirectional effect Effects 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Actuator (AREA)
Abstract
The utility model relates to Compound hydraulic cylinder technical field more particularly to a kind of composite hydraulic cylinders.The utility model discloses a kind of composite hydraulic cylinder, including piston/cylinder, piston, piston rod, piston cylinder cover and plunger cylinder.The oil inlet and outlet that first hydraulic fluid port and third hydraulic fluid port be respectively piston/cylinder, is connected in plunger cylinder with extraneous hydraulic oil, is arranged regulating valve in the oil inlet and outlet, can effectively adjust the disengaging oil mass of the first hydraulic fluid port, third hydraulic fluid port；And the utility model adjusts regulating valve, can also close the first hydraulic fluid port, third hydraulic fluid port when stopping operation, and prevents dust etc. from entering piston/cylinder, in plunger cylinder.Simultaneously, buffer structure is respectively set between piston and piston cylinder cover, piston and piston/cylinder, piston/cylinder and plunger cylinder in the utility model, when can effectively avoid back pressure operation, the problems such as causing block distortion, damage is hit between piston and piston cylinder cover, piston and piston/cylinder, piston/cylinder and plunger cylinder, can also reduce noise.
Description
Technical field
The utility model relates to Compound hydraulic cylinder technical field, more particularly, to be a kind of composite hydraulic cylinder.
Background technique
The flange-interface of one end setting of the plunger cylinder of existing composite hydraulic cylinder is fixed on by fixing piece mostly
It on plunger cylinder, and needs that a gasket is arranged between farad interface and plunger cylinder, which adds when installation
Cost and the time, influence working efficiency.There are also the piston rods of existing composite hydraulic cylinder directly to contact with piston/cylinder,
Piston/cylinder is easy to wear to be scrapped, and material is wasted.Therefore, it is necessary to a kind of new technical solutions to solve above-mentioned technical problem.
And existing hydraulic cylinder is at the end of stroke, since inertia makes piston cause impact to cause cylinder barrel or cylinder cap
Flow shakiness injures hydraulic part.
Utility model content
Purpose of the utility model is to overcome the above-mentioned shortcomings and provide a kind of composite hydraulic cylinders.
To achieve the above object, the technical solution of the utility model is: a kind of composite hydraulic cylinder, including piston cylinder
Body, piston, piston rod, piston cylinder cover and plunger cylinder.
Piston rod one end is fixedly connected with the piston, and piston is built in piston/cylinder；Piston/cylinder is built in plunger cylinder.
The piston cylinder cover is equipped with the first hydraulic fluid port, and the second hydraulic fluid port is arranged below in piston/cylinder, and plunger cylinder lower part is equipped with
Third hydraulic fluid port.Regulating valve is equipped on the outside of first hydraulic fluid port, third hydraulic fluid port；The regulating valve includes valve body, oiler, with the
One hydraulic fluid port or third hydraulic fluid port connection oil outlet, positioned at adjusting rod valve intracorporal valve block and connect with valve block, adjusting rod and valve
Using threaded connection between body, and controls valve block and moved back and forth along the direction of vertical oiler.First hydraulic fluid port and third hydraulic fluid port point
Not Wei piston/cylinder, the oil inlet and outlet that is connected to extraneous hydraulic oil in plunger cylinder, regulating valve is set in the oil inlet and outlet, can be had
Effect adjusts the disengaging oil mass of the first hydraulic fluid port, third hydraulic fluid port；And the utility model adjusts regulating valve when stopping operation, and it can be with
The first hydraulic fluid port, third hydraulic fluid port are closed, prevents dust etc. from entering piston/cylinder, in plunger cylinder.
The piston rod is radially outward equipped with boss, and boss is equipped with cushion；It is flushed below boss with piston upper；Institute
It states piston and soft protrusion is arranged below；The plunger case bottom is equipped with buffer gear.The utility model is in piston and piston cylinder cover, work
Buffer structure is respectively set between plug and piston/cylinder, piston/cylinder and plunger cylinder, when can effectively avoid back pressure operation, piston
The problems such as causing block distortion, damage is hit between piston cylinder cover, piston and piston/cylinder, piston/cylinder and plunger cylinder,
Noise can also be reduced.
Preferably, the valve block includes the back segment connecting with adjusting rod and the leading portion close to oiler；The diameter of back segment is big
In the diameter of adjusting rod；O-shaped dustband is equipped between on the inside of back segment and valve body.
Preferably, the piston is connect with piston rod by bidirectional locking piece.
Preferably, the piston outer wall is equipped with a lubrication ring and several sealing rings；Several sealing rings are evenly distributed on profit
The upper surface of slip ring, below.Lubrication ring can increase the greasy property between piston and piston/cylinder, reduce the friction of the two, into one
Step reduces fever.
By using above-mentioned technical solution, the beneficial effects of the utility model are: the utility model disclose it is a kind of compound
Hydraulic cylinder, including piston/cylinder, piston, piston rod, piston cylinder cover and plunger cylinder.First hydraulic fluid port and third hydraulic fluid port are respectively to live
The oil inlet and outlet being connected in plug cylinder body, plunger cylinder with extraneous hydraulic oil is arranged regulating valve in the oil inlet and outlet, can effectively adjust
The disengaging oil mass of first hydraulic fluid port, third hydraulic fluid port；And the utility model adjusts regulating valve when stopping operation, and can also close the
One hydraulic fluid port, third hydraulic fluid port prevent dust etc. from entering piston/cylinder, in plunger cylinder.Meanwhile the utility model is in piston and piston
Buffer structure is respectively set between cylinder cap, piston and piston/cylinder, piston/cylinder and plunger cylinder, can effectively avoid back pressure operation
When, it is hit between piston and piston cylinder cover, piston and piston/cylinder, piston/cylinder and plunger cylinder and causes block distortion, damage
The problems such as, noise can also be reduced.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of regulating valve.
Main appended drawing reference explanation: (1, piston/cylinder；11, the second hydraulic fluid port；2, piston；21, soft protrusion；22, ring is lubricated；
23, sealing ring；3, piston rod；31, boss；32, cushion；4, piston cylinder cover；41, the first hydraulic fluid port；5, plunger cylinder；51,
Three hydraulic fluid ports；6, regulating valve；61, valve body；62, oiler；63, oil outlet；64, valve block；65, adjusting rod；66, O-shaped dustband；7,
Buffer gear；8, bidirectional locking piece).
Specific embodiment
The utility model is further illustrated below in conjunction with the drawings and specific embodiments.
As shown in Figs. 1-2, a kind of composite hydraulic cylinder of the utility model, including piston/cylinder 1, piston 2, piston rod 3, piston
Cylinder cap 4 and plunger cylinder 5.
3 one end of piston rod is fixedly connected with piston 2, and piston 2 is built in piston/cylinder 1；Piston/cylinder 1 is built in plunger case
Body 5.
The piston cylinder cover 4 is equipped with the first hydraulic fluid port 41, and piston/cylinder 1 is arranged below the second hydraulic fluid port 11, under plunger cylinder 5
Portion is equipped with third hydraulic fluid port 51.Regulating valve 6 is equipped on the outside of first hydraulic fluid port 41, third hydraulic fluid port 51；The regulating valve 6 includes valve
Body 61, oiler 62, the oil outlet 63 being connect with the first hydraulic fluid port 41 or third hydraulic fluid port 51, the valve block 64 in valve body 51 and with
The adjusting rod 65 that valve block 64 connects, using being threadedly coupled between adjusting rod 65 and valve body 61, and control valve block 64 along it is vertical enter oil
The direction of mouth 62 moves back and forth.The valve block 62 includes the back segment connecting with adjusting rod 65 and the leading portion close to oiler 62；Afterwards
The diameter of section is greater than the diameter of adjusting rod 65；Back segment and valve body are equipped with O-shaped dustband 66 between 61 inside.
First hydraulic fluid port 41 and third hydraulic fluid port 51 be respectively piston/cylinder 1, be connected to external world's hydraulic oil in plunger cylinder 5 into
Oil outlet is arranged regulating valve 6 in the oil inlet and outlet, can effectively adjust the disengaging oil mass of the first hydraulic fluid port 41, third hydraulic fluid port 51；And
When the utility model stops operation, adjust regulating valve 6, the first hydraulic fluid port 41, third hydraulic fluid port 51 can also be closed, prevent dust etc. into
Enter piston/cylinder 1,5 in plunger cylinder.
The piston rod 3 is radially outward equipped with boss 31, and boss 31 is equipped with cushion 32；Boss 31 below and piston 2
It flushes above；Soft protrusion 21 is arranged below in the piston 2.5, the plunger case bottom is equipped with buffer gear 7.The utility model in
Buffer structure is respectively set between piston 2 and piston cylinder cover 4, piston 2 and piston/cylinder 1, piston/cylinder 1 and plunger cylinder 5, it can
When effectively avoiding back pressure operation, between piston 2 and piston cylinder cover 4, piston 2 and piston/cylinder 1, piston/cylinder 1 and plunger cylinder 5
Shock causes the problems such as block distortion, damage, can also reduce noise.
The piston 2 is connect with piston rod 3 by bidirectional locking piece 8.
Moreover, 2 outer wall of piston is equipped with a lubrication ring 22 and several sealing rings 23；Several sealing rings 23 are uniformly distributed
Lubrication the upper surface of ring 22, below.Both lubrication ring 22 can increase the greasy property between piston 2 and piston/cylinder 1, reduce
Friction, is further reduced fever.
Above-described, the only preferred embodiment of the utility model cannot limit the range of this practical implementation, all
It is equivalent change made according to the patent scope of the utility model and decoration, should still belong to the range covered in the utility model
It is interior.
Claims (4)
1. a kind of composite hydraulic cylinder, including piston/cylinder, piston, piston rod, piston cylinder cover and plunger cylinder；Piston rod one end with
Piston is fixedly connected, and piston is built in piston/cylinder；Piston/cylinder is built in plunger cylinder；It is characterized by: the piston cylinder
It covers and is equipped with the first hydraulic fluid port, the second hydraulic fluid port is arranged below in piston/cylinder, and plunger cylinder lower part is equipped with third hydraulic fluid port；First oil
Regulating valve is equipped on the outside of mouth, third hydraulic fluid port；The regulating valve includes that valve body, oiler and the first hydraulic fluid port or third hydraulic fluid port connect
The oil outlet that connects, positioned at adjusting rod valve intracorporal valve block and connect with valve block, using being threadedly coupled between adjusting rod and valve body,
And it controls valve block and is moved back and forth along the direction of vertical oiler；The piston rod is radially outward equipped with boss, and boss is equipped with slow
Punching pad；It is flushed below boss with piston upper；Soft protrusion is arranged below in the piston；The plunger case bottom is equipped with buffer
Structure.
2. a kind of composite hydraulic cylinder according to claim 1, it is characterised in that: the valve block includes connecting with adjusting rod
The leading portion of back segment and close oiler；The diameter of back segment is greater than the diameter of adjusting rod；It is equipped between on the inside of back segment and valve body O-shaped anti-
Konisphere.
3. a kind of composite hydraulic cylinder according to claim 1, it is characterised in that: the piston and piston rod pass through reversible lock
Tight piece connection.
4. a kind of composite hydraulic cylinder according to claim 1, it is characterised in that: the piston outer wall be equipped with one lubrication ring and
Several sealing rings；Several sealing rings are evenly distributed on lubrication the upper surface of ring, below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820941450.4U CN208294876U (en) | 2018-06-19 | 2018-06-19 | A kind of composite hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820941450.4U CN208294876U (en) | 2018-06-19 | 2018-06-19 | A kind of composite hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208294876U true CN208294876U (en) | 2018-12-28 |
Family
ID=64701653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820941450.4U Expired - Fee Related CN208294876U (en) | 2018-06-19 | 2018-06-19 | A kind of composite hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208294876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113085114A (en) * | 2021-04-06 | 2021-07-09 | 余姚市鹰图机械设备有限公司 | Assembling process of double-oil-cylinder pushing mechanism for injection molding machine |
-
2018
- 2018-06-19 CN CN201820941450.4U patent/CN208294876U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113085114A (en) * | 2021-04-06 | 2021-07-09 | 余姚市鹰图机械设备有限公司 | Assembling process of double-oil-cylinder pushing mechanism for injection molding machine |
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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 |
Granted publication date: 20181228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |