CN209100399U - A kind of external acceleration hydraulic cylinder - Google Patents
A kind of external acceleration hydraulic cylinder Download PDFInfo
- Publication number
- CN209100399U CN209100399U CN201822042090.7U CN201822042090U CN209100399U CN 209100399 U CN209100399 U CN 209100399U CN 201822042090 U CN201822042090 U CN 201822042090U CN 209100399 U CN209100399 U CN 209100399U
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- Prior art keywords
- speedup
- master cylinder
- cylinder
- cylinder body
- lever
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- 230000001133 acceleration Effects 0.000 title description 4
- 238000007667 floating Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 16
- 239000012530 fluid Substances 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 9
- 239000003921 oil Substances 0.000 description 3
- 239000004229 Alkannin Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010727 cylinder oil Substances 0.000 description 1
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Abstract
The utility model discloses a kind of externals to accelerate hydraulic cylinder, including Master cylinder body, master cylinder lever, speedup cylinder body, speedup cylinder rod, guide sleeve, speedup cylinder body is mounted on the top center of Master cylinder body, guide sleeve lower part is mounted in the countersunk head through-hole for being set to Master cylinder body top center, guide sleeve top is mounted in speedup cylinder body, speedup cylinder rod is movably arranged in the piston hole at guide sleeve center, the bottom of speedup cylinder rod and the top center floating connection of master cylinder lever, master cylinder lever piston motion in Master cylinder body, speedup cylinder rod piston motion in speedup cylinder body.Beneficial effect is: the external Hydraulic Cylinder, by installing speedup cylinder body in Master cylinder body top center, a speedup cylinder rod is connected in master cylinder lever top float, realize the speed requirement that big specification hydraulic cylinder is just able to satisfy using regular flow hydraulic pump, it not only simplifies hydraulic pump system and also reduces the buying difficulty of high-volume hydraulic pump and related accessory, greatly reduce the service efficiency of enterprise's production cost and equipment.
Description
Technical field
The utility model relates to hydraulic cylinder fields more particularly to a kind of external to accelerate hydraulic cylinder.
Background technique
Hydraulic cylinder is modern work, the especially essential execution unit of heavy engineering Work machine, Ji Huneng
Meets the needs of all operating conditions, hydraulic cylinder structure becomes more accurate high-end also with the development of social science and technology.In some big tons
Position needs to match big specification hydraulic cylinder in workplace, makes with hydraulic cylinder corollary system hydraulic pump in order to meet hydraulic cylinder
Speed needs, it is necessary to just be able to satisfy requirement using high-volume hydraulic pump or multiple groups hydraulic pump are in parallel, this undoubtedly makes
The system of obtaining is too fat to move huge and uneconomical.
Summary of the invention
The purpose of the utility model is to overcome problem above of the existing technology, and it is hydraulic to provide a kind of external acceleration
Cylinder.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
A kind of external acceleration hydraulic cylinder, including Master cylinder body, master cylinder lever, speedup cylinder body, speedup cylinder rod, guide sleeve, it is described
Speedup cylinder body is mounted on the top center of Master cylinder body, and the guide sleeve lower part is mounted on the countersunk head for being set to Master cylinder body top center
In through-hole, the guide sleeve top is mounted in speedup cylinder body, and the speedup cylinder rod is movably arranged on the piston at guide sleeve center
Kong Zhong, the bottom of the speedup cylinder rod and the top center floating connection of master cylinder lever, master cylinder lever piston in Master cylinder body are transported
It is dynamic, speedup cylinder rod piston motion in speedup cylinder body.
Further, the top of the speedup cylinder rod is equipped with speedup piston, is equipped with sealing in the middle part of the speedup piston outer periphery
Sealing ring A is installed in ring recess A, the seal groove A.
Further, the positioning protrusion of a ring shape is equipped in the middle part of the periphery of the guide sleeve, the positioning protrusion is stuck in
In the countersunk head of countersunk head through-hole.
Further, the upper and lower part of the guide sleeve periphery is respectively equipped with the seal groove B of an annular, the sealing
Sealing ring B is installed in ring recess B.
Further, the upper and lower part of the piston hole inner wall of the guide sleeve is respectively equipped with the seal groove C of an annular,
The y-type seal ring being arranged back-to-back there are two being installed in each seal groove C.
Further, the periphery bottom of the speedup cylinder rod is equipped with the card slot of a ring shape, in the top of the master cylinder lever
The heart is equipped with countersunk head blind hole, is equipped with the opposite opened snap ring being stuck in card slot in the countersunk head of the countersunk head blind hole, presses on the snap ring
There is the pressing plate being fixedly mounted at the top of master cylinder lever.
Further, the top of the master cylinder lever is equipped with outwardly projecting flanging, sets in the middle part of the periphery of the flanging
There is seal groove D, sealing ring D is installed in the seal groove D.
Further, in-flanges outstanding between the master cylinder bottom of chamber portion of the Master cylinder body is equipped with thereto, the in-flanges
It is equipped with seal groove E in the middle part of inner wall, sealing ring E is installed in the seal groove E.
Further, the lower sidewall of the Master cylinder body is equipped with master cylinder hydraulic fluid port A, and the top of the Master cylinder body is equipped with master cylinder oil
The lower sidewall of mouth B and master cylinder implementation of port, the speedup cylinder body is equipped with speed-up cylinder hydraulic fluid port A, and the top of the speedup cylinder body is equipped with
Speed-up cylinder hydraulic fluid port B.
Further, the stroke of the speedup cylinder rod is greater than the stroke of master cylinder lever.
Design principle: when hydraulic cylinder extends, while being pumped into pressurised oil to master cylinder hydraulic fluid port B, speed-up cylinder hydraulic fluid port B, master cylinder lever to
Lower elongation, since speedup cylinder rod is to the thrust of master cylinder lever, master cylinder lever rapid elongation, so that being formed in the upper part of master cylinder chamber
Negative pressure, make it is hydraulic have quickly increase from the upper part that master cylinder implementation of port enters master cylinder chamber, the pressure in the upper part of master cylinder chamber
To master cylinder operating pressure；When hydraulic cylinder is shunk, while it being pumped into pressurised oil to master cylinder hydraulic fluid port A, speed-up cylinder hydraulic fluid port A, master cylinder lever is upward
Shrink, since speedup cylinder rod is to the pulling force effect of master cylinder lever, master cylinder lever rapid desufflation, pressurised oil in the upper part of master cylinder chamber from
Master cylinder implementation of port quickly flows out.
The beneficial effects of the utility model are: the external Hydraulic Cylinder, is increased by installing in Master cylinder body top center
Fast cylinder body is realized as soon as connecting a speedup cylinder rod in master cylinder lever top float and is able to satisfy big specification using regular flow hydraulic pump
The speed requirement of hydraulic cylinder not only simplifies hydraulic pump system and also reduces the buying hardly possible of high-volume hydraulic pump and related accessory
Degree, greatly reduces the service efficiency of enterprise's production cost and equipment.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the amplified structural schematic diagram of part A in Fig. 1；
Fig. 3 is the amplified structural schematic diagram of part B in Fig. 1；
Fig. 4 is the amplified structural schematic diagram of C portion in Fig. 1；
Fig. 5 is the structural schematic diagram of Master cylinder body in the utility model embodiment；
Fig. 6 is the structural schematic diagram of master cylinder lever in the utility model embodiment；
Fig. 7 is the structural schematic diagram of speedup cylinder body in the utility model embodiment；
Fig. 8 is the structural schematic diagram of speedup cylinder rod in the utility model embodiment；
Fig. 9 is the structural schematic diagram of guide sleeve in the utility model embodiment.
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in detail.
As shown in Figure 1 to 9, a kind of external accelerates hydraulic cylinder, including Master cylinder body 1, master cylinder lever 2, speedup cylinder body 3, speedup
Cylinder rod 4, guide sleeve 5, speedup cylinder body 3 are mounted on the top center of Master cylinder body 1, and 5 lower part of guide sleeve, which is mounted on, is set to Master cylinder body 1
In the countersunk head through-hole 101 at top center, 5 top of guide sleeve is mounted in speedup cylinder body 3, and speedup cylinder rod 4 is movably arranged on guiding
It covers in the piston hole 503 at 5 centers, speedup cylinder rod 4 does piston motion, the bottom of speedup cylinder rod 4 and master cylinder lever in piston hole 503
2 top center floating connection, the piston motion in Master cylinder body 1 of master cylinder lever 2, the piston in speedup cylinder body 3 of speedup cylinder rod 4 are transported
It is dynamic.
The top of speedup cylinder rod 4 is equipped with speedup piston 402, and seal groove A403 is equipped in the middle part of 402 periphery of speedup piston, close
Sealing ring A6, speedup piston and sealing ring A6 are installed in seal slot A403, the speed-up cylinder chamber of speedup cylinder rod is divided into two up and down
Point, the lower sidewall of speedup cylinder body 3 is equipped with the speed-up cylinder hydraulic fluid port A301 being connected to speed-up cylinder chamber lower part split-phase, speedup cylinder body 3
Top is equipped with the speed-up cylinder hydraulic fluid port B302 being connected to speed-up cylinder chamber top split-phase.
The positioning protrusion 501 of a ring shape is equipped in the middle part of the periphery of guide sleeve 5, positioning protrusion 501 is stuck in countersunk head through-hole 101
Countersunk head in, prevent guide sleeve 5 from moving up and down.
The upper and lower part of 5 periphery of guide sleeve is respectively equipped with the seal groove B502 of an annular, pacifies in seal groove B502
Equipped with sealing ring B7.
The upper and lower part of 503 inner wall of piston hole of guide sleeve 5 is respectively equipped with the seal groove C504, Mei Gemi of an annular
The y-type seal ring 8 being arranged back-to-back there are two being installed in seal slot C504.
The periphery bottom of speedup cylinder rod 4 is equipped with the card slot 401 of a ring shape, and it is blind that the top center of master cylinder lever 2 is equipped with countersunk head
Hole 201 is equipped with the opposite opened snap ring 11 being stuck in card slot 401 in the countersunk head of countersunk head blind hole 201, is pressed with fixed peace on snap ring 11
Pressing plate 12 mounted in 2 top of master cylinder lever, to realize the bottom of speedup cylinder rod 4 and the top center floating connection of master cylinder lever 2.
The top of master cylinder lever 2 is equipped with outwardly projecting flanging 202, is equipped with seal groove in the middle part of the periphery of flanging 202
Sealing ring D9 is installed, the master cylinder chamber of Master cylinder body 1 is divided by flanging 202 and sealing ring D9 in D203, seal groove D203
Lower two parts, the lower sidewall of Master cylinder body 1 are equipped with the master cylinder hydraulic fluid port A104 being connected to master cylinder chamber lower part split-phase and are connected, Master cylinder body
1 top is equipped with the master cylinder hydraulic fluid port B105 being connected to master cylinder chamber top split-phase and master cylinder implementation of port 106 is connected；Master cylinder body 1
The inner wall middle part of in-flanges 102 outstanding between master cylinder bottom of chamber portion is equipped with thereto, in-flanges 102 is equipped with seal groove E103, close
Sealing ring E10 is installed, in-flanges between the bottom of Master cylinder body and master cylinder lever lateral wall for will seal in seal slot E103.
The stroke of speedup cylinder rod 4 is greater than the stroke of master cylinder lever 2, avoids speedup cylinder rod 4, guide sleeve 5 from being drawn by master cylinder lever 2 bad.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.
Claims (10)
1. a kind of external accelerates hydraulic cylinder, it is characterised in that: including Master cylinder body, master cylinder lever, speedup cylinder body, speedup cylinder rod, lead
To set, the speedup cylinder body is mounted on the top center of Master cylinder body, and the guide sleeve lower part, which is mounted on, is set to Master cylinder body top
In the countersunk head through-hole at center, the guide sleeve top is mounted in speedup cylinder body, and the speedup cylinder rod is movably arranged on guide sleeve
In the piston hole at center, the bottom of the speedup cylinder rod and the top center floating connection of master cylinder lever, the master cylinder lever is in master cylinder
Piston motion in body, speedup cylinder rod piston motion in speedup cylinder body.
2. external according to claim 1 accelerates hydraulic cylinder, it is characterised in that: the top of the speedup cylinder rod, which is equipped with, to be increased
Fast piston, the speedup piston outer periphery middle part are equipped with seal groove A, are equipped with sealing ring A in the seal groove A.
3. external according to claim 1 accelerates hydraulic cylinder, it is characterised in that: be equipped in the middle part of the periphery of the guide sleeve
The positioning protrusion of one ring shape, the positioning protrusion are stuck in the countersunk head of countersunk head through-hole.
4. external according to claim 1 accelerates hydraulic cylinder, it is characterised in that: the top of the guide sleeve periphery is under
Portion is respectively equipped in the seal groove B, the seal groove B of an annular and is equipped with sealing ring B.
5. external according to claim 1 accelerates hydraulic cylinder, it is characterised in that: the piston hole inner wall of the guide sleeve
Upper and lower part is respectively equipped in the seal groove C, each seal groove C of an annular that there are two be arranged back-to-back for installation
Y-type seal ring.
6. external according to claim 1 accelerates hydraulic cylinder, it is characterised in that: the periphery bottom of the speedup cylinder rod is set
There is the card slot of a ring shape, the top center of the master cylinder lever is equipped with countersunk head blind hole, is equipped in the countersunk head of the countersunk head blind hole
The opposite opened snap ring being stuck in card slot is pressed with the pressing plate being fixedly mounted at the top of master cylinder lever on the snap ring.
7. external according to claim 1 accelerates hydraulic cylinder, it is characterised in that: the top of the master cylinder lever is equipped with outside
The periphery middle part of flanging outstanding, the flanging is equipped with seal groove D, is equipped with sealing ring D in the seal groove D.
8. external according to claim 1 accelerates hydraulic cylinder, it is characterised in that: the master cylinder bottom of chamber portion of the Master cylinder body is set
The inner wall middle part of oriented in-flanges outstanding among it, the in-flanges is equipped with seal groove E, installs in the seal groove E
There is sealing ring E.
9. external according to claim 1 accelerates hydraulic cylinder, it is characterised in that: the lower sidewall of the Master cylinder body is equipped with
The top of master cylinder hydraulic fluid port A, the Master cylinder body are equipped with master cylinder hydraulic fluid port B and master cylinder implementation of port, and the lower sidewall of the speedup cylinder body is set
There is speed-up cylinder hydraulic fluid port A, the top of the speedup cylinder body is equipped with speed-up cylinder hydraulic fluid port B.
10. external according to claim 1 accelerates hydraulic cylinder, it is characterised in that: the stroke of the speedup cylinder rod is greater than
The stroke of master cylinder lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822042090.7U CN209100399U (en) | 2018-12-06 | 2018-12-06 | A kind of external acceleration hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822042090.7U CN209100399U (en) | 2018-12-06 | 2018-12-06 | A kind of external acceleration hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209100399U true CN209100399U (en) | 2019-07-12 |
Family
ID=67162643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822042090.7U Expired - Fee Related CN209100399U (en) | 2018-12-06 | 2018-12-06 | A kind of external acceleration hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209100399U (en) |
-
2018
- 2018-12-06 CN CN201822042090.7U patent/CN209100399U/en not_active Expired - Fee Related
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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: 20190712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |