CN110304574A - The slow drop jack of vertical oil pressure - Google Patents
The slow drop jack of vertical oil pressure Download PDFInfo
- Publication number
- CN110304574A CN110304574A CN201910600011.6A CN201910600011A CN110304574A CN 110304574 A CN110304574 A CN 110304574A CN 201910600011 A CN201910600011 A CN 201910600011A CN 110304574 A CN110304574 A CN 110304574A
- Authority
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- China
- Prior art keywords
- hole
- oil
- pedestal
- steel ball
- stepped hole
- 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.)
- Pending
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 53
- 239000010959 steel Substances 0.000 claims abstract description 53
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000002828 fuel tank Substances 0.000 claims abstract description 22
- 239000002131 composite material Substances 0.000 claims abstract description 7
- 230000000903 blocking effect Effects 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 10
- 238000001727 in vivo Methods 0.000 claims 1
- 230000007423 decrease Effects 0.000 abstract description 14
- 239000007788 liquid Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
- B66F3/26—Adaptations or arrangements of pistons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
- B66F3/42—Constructional features with self-contained pumps, e.g. actuated by hand
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of slow drop jack of vertical oil pressure, including pedestal, pedestal to be equipped with fuel tank, cylinder barrel is equipped in fuel tank, cylinder barrel and fuel tank form oiling chamber, slidably connect piston rod assembly in cylinder barrel, pedestal is equipped with the pump housing, it is equipped with pump core in the pump housing, is hinged with lift in pump core, further includes connecting rod, pedestal is equipped with the first back oil road and the second back oil road, pedestal is equipped with overflow hole, is filled with steel ball one in overflow hole, is threaded with overflow valve on overflow hole；Pedestal is equipped with first and oil duct, second is sent to send oil duct and composite step hole, steel ball two is equipped in second stepped hole, steel ball three is equipped in third stepped hole, plug one is threaded on third stepped hole, compressed spring one is equipped between plug one and steel ball three, pedestal is equipped with oil pump hole, and oil pump hole is between steel ball two and steel ball three.The characteristics of jack has decline slowly, easy to maintain.
Description
Technical field
The present invention relates to a kind of jack, more specifically, it relates to a kind of slow drop jack of vertical oil pressure.
Background technique
Jack, which refers to, uses rigid top lift part as equipment, by the small stroke of top bracket or bottom claw
Open the light and small lifting equipment of weight.Jack is mainly used for the departments such as factories and miness, communications and transportation as Mechanical Help and other
The work such as weight, support.Its light structure is firm, flexibility and reliability, and a people can carry and operate.
Jack, which is divided into, mechanic jacks and hydraulic jack etc., and principle is had nothing in common with each other.In principle, hydraulic biography
The dynamic most basic principle being based on is exactly Pascal's law, that is to say, that the pressure of liquid everywhere is consistent.In this way,
In the system of balance, the pressure that smaller piston upper applies is smaller, and the pressure applied on big piston is also bigger,
It is able to maintain the static of liquid in this way.So by the transmitting of liquid, different pressure on available difference end, so that it may reach
The purpose converted to one.People it is common to hydraulic jack be exactly the transmitting that this principle is utilized to reach power.Spiral shell
Rotation jack is back and forth to pull handle, and pusher dog pushes the revolution of ratchet gap, and cone pinion drives large bevel gear, makes weight lifting screw rod
Rotation so that jacking sleeve be made to obtain raising or decline, and reaches the function of lifting pulling force, but simple not as good as hydraulic jack.
But existing hydraulic jack is mainly the jack of hydraulic type, the oil duct that uses and when decline when lifting
The oil duct used is not turned on, and when the jack is safeguarded or maintained, entirety is needed to be dismantled, and dismounting is inconvenient,
Whole maintenance is cumbersome, time-consuming；And for existing jack when unloading power, decrease speed is fast, and safety is not high, and overall effect is bad.
Accordingly, the invention proposes a kind of slow drop jack of vertical oil pressure.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art described above, a kind of slow drop jack of vertical oil pressure is provided,
The characteristics of jack has decline slowly, easy to maintain.
In order to solve the above technical problems, the object of the present invention is achieved like this: a kind of Vertical Oil according to the present invention
The slow drop jack of pressure, including pedestal, pedestal are equipped with fuel tank, and cylinder barrel is equipped in fuel tank, and cylinder barrel and the fuel tank completely cut off
Oiling chamber is formed, piston rod assembly is slidably connected in the cylinder barrel, the pump housing is additionally provided on the pedestal, is slidably connected in the pump housing
There is pump core, be hinged with lift in pump core, further includes the connecting rod of the hinged lift in one end, other end articulated base, opened on the pedestal
Equipped with the first back oil road being connected to cylinder barrel inside and the second back oil road being connected to the intracavitary portion of oiling, opened up on the pedestal
There is the overflow hole with the first back oil road and the second back oil road mutual conduction, the steel for blocking first back oil road is filled in overflow hole
Pearl one is threaded with the overflow valve of end abutment steel ball one on the overflow hole；
First be connected to the intracavitary portion of oiling is offered on the pedestal to send oil duct, second send oil with what is be connected to inside cylinder barrel
Road, conducting first send oil duct and second send the composite step hole of oil duct, and composite step hole includes sending oil duct to be connected with first
First stepped hole, with second send oil duct to be connected third stepped hole, be connected between the first stepped hole and third stepped hole second
The diameter of stepped hole, first stepped hole, the second stepped hole and third stepped hole is sequentially increased, in second stepped hole
Steel ball two equipped with the first stepped hole of blocking, is equipped with the steel ball three of the second stepped hole of blocking in the third stepped hole, and described the
The aperture of three stepped holes is threaded with plug one, and compressed spring one, institute are embedded between the end of plug one and the steel ball three
The oil pump hole for offering that one end is connected to the second stepped hole, the other end is connected to pump body on pedestal is stated, oil pump hole is located at institute
It states between steel ball two and steel ball three；
The balance oil duct across the second stepped hole is offered on the pedestal, is also provided on the pedestal and is sent across first
Oil duct and pressure hole with balance oil duct mutual conduction, the steel ball four for blocking the balance oil duct, the height are filled in pressure hole
The aperture in pressure hole is threaded with plug two, and compressed spring two is embedded between the end of plug two and the steel ball four.
The present invention is further arranged to: the interior limiting block being equipped with for up and down motion of first back oil road, under limiting block
Side is equipped with the compressed spring three that one end abuts the limiting block, the other end abuts the first back oil road bottom.
The present invention is further arranged to: the tank filler sleeve being connected to oiling chamber is offered on the fuel tank, tank filler sleeve is embedded
Equipped with cock body.
The present invention is further arranged to: the cock body is rubber stopper.
The present invention is further arranged to: described first send oil duct, second to send oil duct and balance the extending direction phase of oil duct
Together.
In conclusion the invention has the following advantages:
1. being lifted and unload the oil that power uses finally all collects, oil inlet and fuel-displaced oil duct phase mutual conductance intracavitary to oiling
It is logical, convenient for the conveying between oil circuit, so that jack lifting and decline process are more stable, steady；
2. the switching between oil inlet and fuel-displaced oil duct uses the one-way valve structures of ball type, it is convenient for one-way conduction, and dismantle
It is more convenient to safeguard；
3. manually adjust overflow valve, back oil road is connected, the oil in cylinder barrel slowly flows back to oiling chamber, slows down and declines after unloading power
Piston rod assembly, so that decline is slowly, it is highly-safe；
4. tank filler sleeve is opened up on fuel tank, and compound rubber plug, convenient for the replacement or increase and decrease to fuel tank inner fluid；
5. first send oil duct, second to send oil duct and balance the same direction that oil duct is in pedestal, convenient for opening up processing, system
It makes faster.
Detailed description of the invention
Fig. 1 is the present invention for embodying the structural schematic diagram of fuel tank；
Fig. 2 is the present invention for embodying the structural schematic diagram of the pump housing；
Fig. 3 is the present invention for embodying the structural schematic diagram of piston rod assembly；
Fig. 4 is the present invention for embodying the structural schematic diagram of pump core；
Fig. 5 is the present invention for embodying the schematic perspective view of pedestal；
Fig. 6 is the present invention for embodying the overlooking structure diagram of pedestal；
Fig. 7 is the present invention for embodying the schematic diagram of internal structure of pedestal；
Fig. 8 is the schematic cross-section of A-A in Fig. 7；
Fig. 9 is the schematic cross-section of B-B in Fig. 7；
Figure 10 is the schematic cross-section of F-F in Fig. 7；
Figure 11 is the schematic cross-section of C-C in Fig. 7；
Figure 12 is the schematic cross-section of D-D in Fig. 7；
Figure 13 is the schematic cross-section of E-E in Fig. 7；
Description of symbols: 1, pedestal；2, fuel tank；3, cylinder barrel；4, oiling chamber；5, piston rod assembly；6, the pump housing；7, it pumps
Core；8, lift；9, connecting rod；10, the first back oil road；11, the second back oil road；12, overflow hole；13, steel ball one；14, overflow valve；
15, first oil duct is sent；16, second oil duct is sent；17, the first stepped hole；18, the second stepped hole；19, third stepped hole；20, steel ball
Two；21, steel ball three；22, plug one；23, compressed spring one；24, oil pump hole；25, oil duct is balanced；26, pressure hole；27, steel ball
Four；28, plug two；29, compressed spring two；30, limiting block；31, compressed spring three；32, tank filler sleeve；33, cock body.
Specific embodiment
In order to more fully understand those skilled in the art, this tests novel technical solution, below with reference to specific implementation
The preferred embodiments of the invention are described in example, but it is to be understood that these descriptions are intended merely to further illustrate this hair
Bright feature and advantage, rather than to the limitation that the invention patent requires.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The present invention is further described with preferred embodiment with reference to the accompanying drawing.
Referring to a kind of vertical oil pressure is slow shown in Fig. 1 to 13, involved in the present embodiment, jack, including pedestal 1, pedestal drop
1 is equipped with fuel tank 2, and cylinder barrel 3 is equipped in fuel tank 2, and cylinder barrel 3 and the fuel tank 2 isolation form oiling chamber 4, the cylinder barrel 3
Piston rod assembly 5 is inside slidably connected, the pump housing 6 is additionally provided on the pedestal 1, slidably connects pump core 7 in the pump housing 6, in pump core 7
It is hinged with lift 8, further includes the connecting rod 9 of the hinged lift 8 in one end, other end articulated base 1, is offered on the pedestal 1 and cylinder
The first back oil road 10 that 3 inside of cylinder is connected to and with the second back oil road 11 for being connected to inside oiling chamber 4, open up on the pedestal 1
There is the overflow hole 12 with 11 mutual conduction of the first back oil road 10 and the second back oil road, is filled in overflow hole 12 blocking described first time
The steel ball 1 of oil duct 10 is threaded with the overflow valve 14 of end abutment steel ball 1 on the overflow hole 12；
Offered on the pedestal 1 first be connected to inside oiling chamber 4 send oil duct 15, be connected to inside cylinder barrel 3
Two send oil duct 16, conducting first to send oil duct 15 and second send the composite step hole of oil duct 16, and composite step hole includes and first
The first stepped hole 17 for sending oil duct 15 to be connected and second send the third stepped hole 19 of the conducting of oil duct 16, is connected to the first stepped hole
The second stepped hole 18 between 17 and third stepped hole 19, first stepped hole 17, the second stepped hole 18 and third stepped hole
19 diameter is sequentially increased, and the steel ball 2 20 of the first stepped hole 17 of blocking, the third rank are equipped in second stepped hole 18
The steel ball 3 21 of the second stepped hole 18 of blocking is equipped in terraced hole 19, the aperture of the third stepped hole 19 is threaded with plug one
22, it is embedded with compressed spring 1 between the end of plug 1 and the steel ball 3 21, one end and the is offered on the pedestal 1
The oil pump hole 24 being connected to inside the connection of two stepped holes 18, the other end and the pump housing 6, oil pump hole 24 is located at the steel ball 2 20 and steel ball
Between 3 21；
The balance oil duct 25 across the second stepped hole 18 is offered on the pedestal 1, be also provided on the pedestal 1 across
First send oil duct 15 and the pressure hole 26 with balance 25 mutual conduction of oil duct, is filled with the blocking balance oil duct 25 in pressure hole 26
Steel ball 4 27, the aperture of the pressure hole 26 is threaded with plug 2 28, the end of plug 2 28 and the steel ball 4 27
Between be embedded with compressed spring 2 29.
A. piston rod assembly is lifted working principle: firstly, being added with appropriate oil liquid in oiling chamber 4, steel ball 1 is in stifled
10 state of the first back oil road is filled in, so that being not turned between the first back oil road 10 and the second back oil road 11, lift 8 is pressed up and down, through even
9 Traction Drive of bar, pump core 7 slide up and down in the pump housing 6, and when pump core 7 makees upward sliding, oil pump hole 24 forms upward pumping
Power attracts steel ball 2 20 and steel ball 3 21, since steel ball 3 21 can not be moved by the limit of the second stepped hole 18, causes steel ball 2 20
Mobile to 3 21 side of steel ball, oil duct 15 is sent in conducting oil pump hole 24 and first, and the oil liquid in oiling chamber 4 is pumped to the first stepped hole
17 and second in stepped hole 18, and flow in the pump housing 6 along oil pump hole 24；
When pump core 7 makees slide downward, oil pump hole 24 forms downward thrust, pushes steel ball 2 20 and steel ball 3 21, steel open
Pearl 2 20 is pushed out and blocks the first stepped hole 17, and steel ball 3 21 is also open and opens third stepped hole 19, wherein compression
Spring 1 is compressed partially deformation, and conducting oil pump hole 24 and second send oil duct 16, the oil liquid in oiling chamber 4 is pushed to second
In stepped hole 18 and third stepped hole 19, and oil duct 16 is sent to send to cylinder barrel 3 along second, the oil liquid in cylinder barrel 3 increases, pressure
Power increases, and causes to be lifted piston rod assembly 5；
Wherein, make in slide downward in pump core 7, partial pressure can be conveyed along balance oil duct 25, be pushed open in pressure hole 26
Steel ball 4 27 balances pressure between oiling chamber 4 and the pump housing 6.
B. piston rod assembly declines working principle: firstly, the pump housing 6, pump core 7, lift 8 and connecting rod 9 remain static,
It rises piston rod assembly 5 and is in lifting position, steel ball 2 20 is in blocking 17 state of the first stepped hole, and steel ball 3 21 is in blocking the
Two stepped holes, 18 state, if the oil liquid in cylinder barrel 3 send oil duct 16 to flow back from second, due to being blocked by steel ball 3 21, Wu Fashi
It now flows back, causes piston rod assembly 5 that cannot decline, therefore, it is necessary to open overflow valve 14 manually, so that steel ball 1 no longer blocks
First back oil road 10, and make to be switched between the first back oil road 10 and the second back oil road 11, the oil liquid in cylinder barrel 3 successively passes through first
Back oil road 10 and the second back oil road 11, are finally slowly flowed back in oiling chamber 4, complete the decline of piston rod assembly 5.
Further, the limiting block 30 for up and down motion is equipped in first back oil road 10, the lower section of limiting block 30 is set
There is one end to abut the limiting block 30, the compressed spring 3 31 that the other end abuts 10 bottom of the first back oil road.When in piston rod
During component 5 declines, steel ball 1 opens the first back oil road 10, so that inside and outside oil pressure etc., compressed spring 3 31 takes current limliting
Block 30 floats, and oil liquid penetrates limiting block 30, penetrates into the first back oil road 10, and pass through the second back oil road 11, slowly flows back to oiling chamber 4
It is interior, play the role of slowing down reflux.
Further, the tank filler sleeve 32 being connected to oiling chamber 4 is offered on the fuel tank 2, is embedded in tank filler sleeve 32
Cock body 33；Preferably, the cock body 33 is rubber stopper.Tank filler sleeve 32, and compound rubber plug are opened up on fuel tank 2, convenient for storage
The replacement or increase and decrease of oily 2 inner fluid of cylinder.
Further, described first oil duct 15, second is sent to send the extending direction of oil duct 16 and balance oil duct 25 identical, the
One send oil duct 15, second to send oil duct 16 and balance the same direction that oil duct 25 is in pedestal 1, and convenient for opening up processing, manufacture is more
Fast.
The slow drop jack of vertical oil pressure according to the present invention is finally all collected by being lifted and unloading the oil that power uses
It is intracavitary to oiling, oil inlet and fuel-displaced oil duct mutual conduction, convenient for the conveying between oil circuit, so that jack lifting and decline process
It is more stable, steady；The one-way valve structures that ball type is used by the switching between oil inlet and fuel-displaced oil duct, are convenient for one-way conduction,
And demolition and maintenance are more convenient；By manually adjusting overflow valve, back oil road is connected, the oil in cylinder barrel slowly flows back to oiling chamber, slows down
The piston rod assembly declined after power is unloaded, so that decline is slowly, it is highly-safe；By opening up tank filler sleeve on fuel tank, and cooperate rubber
Rubber plug, convenient for the replacement or increase and decrease to fuel tank inner fluid；Send oil duct, second that oil duct and balance oil duct is sent to be in by first
The same direction of pedestal manufactures faster convenient for opening up processing.
Unless otherwise specified, the present invention in, if having term " length ", " width ", "upper", "lower", "front", "rear", " left side ",
" right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction "
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of the description present invention and
Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction
And operation, therefore the term that orientation or positional relationship is described in the present invention is only for illustration, should not be understood as special to this
The limitation of benefit for the ordinary skill in the art can be in conjunction with attached drawing, and understands above-mentioned term as the case may be
Concrete meaning.
Unless otherwise clearly defined and limited, in the present invention, if there is term " setting ", " connected " and " connection " that should do extensively
Reason and good sense solution may be a detachable connection for example, it may be being fixedly connected, or be integrally connected；It can be and be directly connected to,
It can be indirectly connected with by intermediary, can be the connection inside two elements.For those of ordinary skill in the art and
Speech, can understand the concrete meaning of above-mentioned term in the present invention with concrete condition.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (5)
1. the slow drop jack of vertical oil pressure, including pedestal, pedestal is equipped with fuel tank, is equipped with cylinder barrel, cylinder barrel and institute in fuel tank
It states fuel tank to completely cut off to form oiling chamber, piston rod assembly is slidably connected in the cylinder barrel, the pump housing is additionally provided on the pedestal, pump
Pump core is slidably connected in vivo, is hinged with lift in pump core, further includes the connecting rod of the hinged lift in one end, other end articulated base,
It is characterized by: offered on the pedestal with the first back oil road for being connected to inside cylinder barrel and be connected to the intracavitary portion of oiling the
Two back oil roads offer the overflow hole with the first back oil road and the second back oil road mutual conduction on the pedestal, fill out in overflow hole
There is the steel ball one for blocking first back oil road, the overflow valve of end abutment steel ball one is threaded on the overflow hole；
Offered on the pedestal first be connected to the intracavitary portion of oiling send oil duct, with cylinder barrel inside be connected to second send oil duct,
Conducting first send oil duct and second send the composite step hole of oil duct, composite step hole include with first send that oil duct is connected first
Stepped hole, with the second third stepped hole for sending oil duct to be connected, the second ladder for being connected between the first stepped hole and third stepped hole
The diameter in hole, first stepped hole, the second stepped hole and third stepped hole is sequentially increased, and is equipped in second stepped hole
The steel ball two of the first stepped hole is blocked, the steel ball three of the second stepped hole of blocking, the third rank are equipped in the third stepped hole
The aperture in terraced hole is threaded with plug one, and compressed spring one, the bottom are embedded between the end of plug one and the steel ball three
The oil pump hole that one end is connected to the second stepped hole, the other end is connected to pump body is offered on seat, oil pump hole is located at the steel
Between pearl two and steel ball three；
The balance oil duct across the second stepped hole is offered on the pedestal, is also provided on the pedestal and is sent oil duct across first
And the pressure hole with balance oil duct mutual conduction, the steel ball four for blocking the balance oil duct, the pressure hole are filled in pressure hole
Aperture be threaded with plug two, compressed spring two is embedded between the end of plug two and the steel ball four.
2. the slow drop jack of vertical oil pressure according to claim 1, it is characterised in that: be equipped with and supply in first back oil road
The limiting block of up and down motion, the lower section of limiting block are equipped with one end and abut the limiting block, the first back oil road bottom of other end abutting
Compressed spring three.
3. the slow drop jack of vertical oil pressure according to claim 1 or 2, it is characterised in that: offered on the fuel tank
The tank filler sleeve being connected to oiling chamber is embedded with cock body in tank filler sleeve.
4. the slow drop jack of vertical oil pressure according to claim 3, it is characterised in that: the cock body is rubber stopper.
5. the slow drop jack of vertical oil pressure according to claim 1, it is characterised in that: described first send oil duct, second to send
Oil duct and the extending direction for balancing oil duct are identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910600011.6A CN110304574A (en) | 2019-07-04 | 2019-07-04 | The slow drop jack of vertical oil pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910600011.6A CN110304574A (en) | 2019-07-04 | 2019-07-04 | The slow drop jack of vertical oil pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110304574A true CN110304574A (en) | 2019-10-08 |
Family
ID=68079111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910600011.6A Pending CN110304574A (en) | 2019-07-04 | 2019-07-04 | The slow drop jack of vertical oil pressure |
Country Status (1)
| Country | Link |
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| CN (1) | CN110304574A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258998A (en) * | 2022-09-07 | 2022-11-01 | 嘉兴金诚汽配科技股份有限公司 | Vertical oil pressure slow-lowering jack |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6347786B1 (en) * | 2001-01-23 | 2002-02-19 | Shinn Fu Corporation | Hydraulic jack lifting mechanism |
| CN1384041A (en) * | 2001-05-02 | 2002-12-11 | 河泰洪 | Hydraulic jack |
| CN202912624U (en) * | 2012-11-02 | 2013-05-01 | Mvp(香港)工业有限公司 | Safe slow-descent lifting jack during heavy pressure |
| CN103274331A (en) * | 2013-05-31 | 2013-09-04 | 福建省三明华亚机械制造有限公司 | Jack capable of being inverted |
| CN103291929A (en) * | 2013-06-03 | 2013-09-11 | 常熟市藕渠针织机械厂 | Oil room seal device used for oil pressure tool |
| CN204454415U (en) * | 2015-02-06 | 2015-07-08 | 元根发 | A kind of jack of one-way valve seat hard closing |
| CN108821168A (en) * | 2016-12-23 | 2018-11-16 | 衡阳市锦泰工具有限公司 | A kind of welded type hydraulic jack with safety valve |
| CN109795960A (en) * | 2019-02-15 | 2019-05-24 | 杭州富阳诺德液压技术有限公司 | A kind of high-order transport top |
| CN210480727U (en) * | 2019-07-04 | 2020-05-08 | 嘉兴金日升工具有限公司 | Vertical oil pressure slow-lowering jack |
-
2019
- 2019-07-04 CN CN201910600011.6A patent/CN110304574A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6347786B1 (en) * | 2001-01-23 | 2002-02-19 | Shinn Fu Corporation | Hydraulic jack lifting mechanism |
| CN1384041A (en) * | 2001-05-02 | 2002-12-11 | 河泰洪 | Hydraulic jack |
| CN202912624U (en) * | 2012-11-02 | 2013-05-01 | Mvp(香港)工业有限公司 | Safe slow-descent lifting jack during heavy pressure |
| CN103274331A (en) * | 2013-05-31 | 2013-09-04 | 福建省三明华亚机械制造有限公司 | Jack capable of being inverted |
| CN103291929A (en) * | 2013-06-03 | 2013-09-11 | 常熟市藕渠针织机械厂 | Oil room seal device used for oil pressure tool |
| CN204454415U (en) * | 2015-02-06 | 2015-07-08 | 元根发 | A kind of jack of one-way valve seat hard closing |
| CN108821168A (en) * | 2016-12-23 | 2018-11-16 | 衡阳市锦泰工具有限公司 | A kind of welded type hydraulic jack with safety valve |
| CN109795960A (en) * | 2019-02-15 | 2019-05-24 | 杭州富阳诺德液压技术有限公司 | A kind of high-order transport top |
| CN210480727U (en) * | 2019-07-04 | 2020-05-08 | 嘉兴金日升工具有限公司 | Vertical oil pressure slow-lowering jack |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115258998A (en) * | 2022-09-07 | 2022-11-01 | 嘉兴金诚汽配科技股份有限公司 | Vertical oil pressure slow-lowering jack |
| CN115258998B (en) * | 2022-09-07 | 2023-07-18 | 嘉兴金诚汽配科技股份有限公司 | Vertical oil pressure slowly-falling jack |
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Application publication date: 20191008 |