CN205590245U - Integral type hydraulic system - Google Patents
Integral type hydraulic system Download PDFInfo
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- CN205590245U CN205590245U CN201620317661.1U CN201620317661U CN205590245U CN 205590245 U CN205590245 U CN 205590245U CN 201620317661 U CN201620317661 U CN 201620317661U CN 205590245 U CN205590245 U CN 205590245U
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- fuel tank
- valve
- striker
- hydraulic system
- steel ball
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Abstract
The utility model relates to a hydraulic system discloses an integral type hydraulic system, and it includes bottom plate (1), is fixed with oil tank (2) on bottom plate (1) and through hydro -cylinder (4) that two -way oil pipe (3) and oil tank (2) are connected, is equipped with gear pump (5) in oil tank (2), installs motor (6) be connected with gear pump (5) on oil tank (2), is equipped with on oil tank (2) to be used for controlling check valve (7) of two -way oil pipe (3) break -make and be used for acting on manual valve (8) that check valve (7) made check valves (7) open. The utility model discloses it is together integrated with power pack and actuating mechanism, effectively reduce entire system's volume, reduce cost because entire system does not have any pipeline, does not connect the hookup, has also avoided hydraulic pressure to leak and pollute as far as, makes hydraulic system reliable more, stable.
Description
Technical field
This utility model relates to a kind of hydraulic system, has particularly related to a kind of hydraulic power unit, control unit and actuator are integrated into an entirety realize the integrated hydraulic system of lifting.
Background technology
Hydraulic system is typically made up of hydraulic power unit, control unit and actuator three parts, hydraulic system is the important component part of mover, good and bad and cost the height of its performance is directly connected to market prospect and the popularization degree of complete machine, the today especially changed towards lightness, cheapization at mover, cost and the volume size of hydraulic power unit become the most crucial.
At present, the tray carriage hoisting system used at logistic industry is broadly divided into manual and electronic two big classes, manual pump sys is simple and compact for structure, cheap, but rely on merely manual operation manual pump, cause high effort for, so load-carrying can not be the biggest, labor efficiency is the lowest, and the hydraulic lifting system on conventional electric tray carriage is then because volume is big, high being difficult to of price is popularized in an all-round way, under this background, it is badly in need of wanting a novel hydraulic lifting system in the case of not increasing considerably cost, with electronic replacement manpower, to liberate labour force, raise labour efficiency.
Utility model content
This utility model can only lean on merely Manual-pushing for common manual pump in prior art, and the shortcoming that electrodynamic pump volume is big, cost is high, it is provided that a kind of integrated hydraulic system.
In order to solve above-mentioned technical problem, this utility model is addressed by following technical proposals:
Integrated hydraulic system, including base plate, fuel tank and the oil cylinder being connected by two-way oil pipe it is fixed with fuel tank on base plate, gear pump it is provided with in fuel tank, being provided with the motor being connected with gear pump on fuel tank, fuel tank is provided with the check valve for controlling described two-way oil pipe break-make and for acting on the hand-operated valve that check valve makes check valve open.
By fuel tank, oil cylinder are each attached on base plate, form an integral valve body, again motor, gear pump are integrated on this integral valve body, so that be integrated into an entirety between the actuator of this system and power unit, greatly reduce the volume of whole system, make whole system structure compacter.
As preferably, check valve includes the valve body one connected with two-way oil pipe end, it is provided with sealing screw in valve body one, on sealing screw, screwed end is stretched out valve body one and is screwed onto on fuel tank, the shoulder hole that connect internal with valve body one it is provided with in the middle part of sealing screw, being provided with in shoulder hole and be axially reciprocal motion and can form, at the ladder of shoulder hole, the poppet valve core sealed, poppet valve core is cased with make the poppet valve core spring one of motion at the ladder of shoulder hole all the time, spring one end portion is provided with steel ball one.This check valve utilizes valve body one, poppet valve core to realize sealing, and valve spring provides pretightning force, constitutes check valve assembly, simple and reliable.
As preferably, the end that sealing screw is screwed onto on fuel tank is provided with sealing ring one.By arranging sealing ring one in sealing screw end, the sealing that check valve with fuel tank between be connected can be effectively ensured, prevent oil from leaking from the gap of its junction.
As preferably, hand-operated valve includes the striker seat being fixed on fuel tank, is provided with and can do axially reciprocating and for promoting the striker of steel ball one, striker is cased with make the spring two of striker return in striker seat.Back down steel ball with striker, promote poppet valve core to realize the commutation of hydraulic oil in check valve so that hydraulic oil is in oil cylinder internal reflux to fuel tank, it is achieved goods declines, there is the advantages such as simple in construction, commutation be convenient.
As preferably, striker end has handle, handle to be hinged on fuel tank through striker seat and connection.Stirring flexibly striker is realized so that it is be easy to the operation to hand-operated valve, the then unlatching of conservative control check valve by the handle being hinged on fuel tank.
As preferably, fuel tank bottom is provided with spout hole, is provided with overflow valve in spout hole.Protect whole system by arranging overflow valve on fuel tank, overload can be prevented effectively from, ensure whole Hydraulic System Reliability, safety.
As preferably, overflow valve includes the valve body two being fixed on fuel tank, the steel ball seat that regulation screw is connected it is provided with regulation screw in valve body two, steel ball seat is provided with and can form sealed steel ball two at spout hole, is provided with and makes steel ball two all the time toward the spring three at the sealing of spout hole between regulation screw and steel ball seat.By arranging regulation screw in overflow valve, can effectively adjust oil pressure relief, in order to be applicable to the requirement for different pressures system of the different goods.
This utility model, owing to have employed above technical scheme, has a significant technique effect:
This utility model is ensureing low cost, on the premise of volume is little, realize electric hydaulic transmission, reduce labor intensity, and the physical ability requirement to labourer, oil cylinder and valve plate are integrated simultaneously, reduce the volume of whole system, reduce cost, because whole system does not has any pipeline, joint to couple, avoid hydraulic leak and pollution the most as far as possible, make hydraulic system relatively reliable, stable.
Accompanying drawing explanation
Fig. 1 is the structural representation one of this utility model embodiment 1；
Fig. 2 is the structural representation two of this utility model embodiment 1；
Fig. 3 is explosive view of the present utility model；
Fig. 4 is the exploded perspective view of check valve in this utility model；
Fig. 5 is the exploded perspective view of hand-operated valve in this utility model；
Fig. 6 is the exploded perspective view of overflow valve in this utility model.
The toponym that in accompanying drawing, each number designation is referred to is as follows: 1 base plate, 2 fuel tanks, 3 two-way oil pipes, 4 oil cylinders, 5 gear pumps, 6 motors, 7 check valves, 8 hand-operated valves, 9 overflow valves, 10 hands handles, 41 plunger rods, 71 valve bodies one, 72 sealing screws, 73 poppet valve cores, 74 springs one, 75 steel balls one, 76 sealing rings one, 81 striker seats, 82 strikers, 83 springs two, 84 sealing rings two, 91 valve bodies two, 92 regulation screws, 93 steel ball seat, 94 steel balls two, 95 springs three.
Detailed description of the invention
With embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment 1
Integrated hydraulic system, as shown in figs 1 to 6, including base plate 1, fuel tank 2 and the oil cylinder 4 being connected by two-way oil pipe 3 it is fixed with fuel tank 2 on base plate 1, gear pump 5 it is provided with in fuel tank 2, being provided with the motor 6 being connected with gear pump 5 on fuel tank 2, two-way oil pipe 3 i.e. refers to that this oil cylinder 4 i.e. can realize oil-feed in oil cylinder 4, can be back in fuel tank 2 by the oil in oil cylinder 4 again.
Fuel tank 2, oil cylinder 4 are each attached on base plate 1, and are the most only connected by a two-way oil pipe 3, be allowed to form an integral valve body so that it is as actuator；Motor 6, gear pump 5 are bolted on this integral valve body, it is made to constitute power unit, it is connected without any pipe fitting between actuator with power unit, so that be integrated into an entirety between the actuator of this system and power unit, greatly reduce the volume of whole system, make whole system structure compacter, avoid hydraulic leak and pollution the most as far as possible, make hydraulic system relatively reliable, stable.
Fuel tank 2 is provided with the check valve 7 for controlling described two-way oil pipe 3 break-make and for acting on the hand-operated valve 8 that check valve 7 makes check valve 7 open, on fuel tank 2 relative to sidewall be provided with and be respectively used to check valve 7 and the installing hole of hand-operated valve 8 are installed, so that hand-operated valve 8 is positioned opposite with check valve 7, it is achieved the hand-operated valve 8 action to check valve 7.Wherein check valve 7 includes the valve body 1 connected with two-way oil pipe 3 end, sealing screw 72 it is provided with in valve body 1, on sealing screw 72, screwed end is stretched out valve body 1 and is screwed onto on fuel tank 2, and the end that sealing screw 72 is screwed onto on fuel tank 2 is provided with sealing ring 1, to ensure the sealing being connected between check valve 7 and fuel tank 2, prevent oil from leaking from the gap of its junction.The shoulder hole that connect internal with valve body 1 it is provided with in the middle part of sealing screw 72, it is provided with in shoulder hole and is axially reciprocal motion and can form, at the ladder of shoulder hole, the poppet valve core 73 sealed, being cased with on poppet valve core 73 making poppet valve core 73 spring 1 of motion at the ladder of shoulder hole all the time, spring 1 end is provided with steel ball 1.Hand-operated valve 8 includes the striker seat 81 being fixed on fuel tank 2, it is provided with between striker seat 81 and fuel tank 2 and also is provided with for preventing oil sealing ring 2 84 of leakage from the gap between striker seat 81 and fuel tank 2, it is provided with in striker seat 81 and can do axially reciprocating and for promoting the striker 82 of steel ball 1, it is cased with making the spring 2 83 of striker 82 return on striker 82, striker 82 end has handle 10, handle 10 to be hinged on fuel tank 2 through striker seat 81 and connection.
Fuel tank 2 bottom is provided with stair-stepping spout hole, is provided with overflow valve 9 in spout hole.Overflow valve 9 includes the valve body 2 91 being fixed on fuel tank 2, the steel ball seat 93 that regulation screw 92 is connected it is provided with regulation screw 92 in valve body 2 91, steel ball seat 93 is provided with and can form sealed steel ball 2 94 at spout hole, it is provided with between regulation screw 92 and steel ball seat 93 and makes steel ball 2 94 all the time toward the spring 3 95 at the sealing of spout hole, be wherein at the sealing of steel ball 2 94 and spout hole at the ladder of its shoulder hole.
The present embodiment specific operation process:
On the one hand, when needs realize pallet hoist time, open motor 6, motor 6 drives the gear pump 5 in fuel tank 2 to rotate, so that hydraulic oil flows in check valve 7 in fuel tank 2, in check valve 7, hydraulic oil overcomes the elastic force of spring 1 to back down poppet valve core 73, disengage it from sealing screw 72 at the ladder of shoulder hole, open check valve 7, hydraulic oil is made to flow in oil cylinder 4 through two-way oil pipe 3, eventually arrive at bottom oil cylinder 4, make its jack-up oil cylinder 4 inner prop stopper rod 41, realize cargo lifting, now hand-operated valve 8 chamber is sealed by hydraulic oil by steel ball 1, when cargo lifting to desired height, in oil cylinder 4, hydraulic oil can reversely fasten poppet valve core 73 at sealing, realize locked pressurize, keep cargo height.
When needs realize pallet hoist time, striker 82 is stirred by handle 10, make striker 82 promote steel ball 1, so that spring 1 compression, then back down poppet valve core 73, check valve 7 is again turned on, now due in oil cylinder 4 pressure relatively big, thus after check valve 7 is opened, the hydraulic oil in oil cylinder 4 can reverse flow oil sump tank 2, so that oil cylinder 4 inner plunger declines, it is achieved goods declines.Final when goods drops to the end, manually the spring 2 83 on valve 8 makes striker 82 return, whole hand-operated valve 8 be returned to original state.
On the other hand, when actual pressure exceedes default pressure, the steel ball 2 94 that hydraulic oil backs down, overcome the elastic force of spring 3 95 to open overflow valve 9, it is achieved overflow.Simultaneously because be provided with the regulation screw 92 that can regulate system pressure in overflow valve 9, then can realize, to the regulation of critical pressure needed for overflow valve 9, then realizing the regulation to whole system pressure by the position of change regulation screw 92.
In a word, the foregoing is only preferred embodiment of the present utility model, all impartial changes made according to this utility model claim and modification, all should belong to the covering scope of this utility model patent.
Claims (6)
1. integrated hydraulic system, including base plate (1), it is characterized in that: on base plate (1), be fixed with fuel tank (2) and the oil cylinder (4) being connected by two-way oil pipe (3) with fuel tank (2), gear pump (5) it is provided with in fuel tank (2), being provided with the motor (6) being connected with gear pump (5) on fuel tank (2), fuel tank (2) is provided with the check valve (7) for controlling described two-way oil pipe (3) break-make and is used for acting on the hand-operated valve (8) that check valve (7) makes check valve (7) open.
Integrated hydraulic system the most according to claim 1, it is characterized in that: check valve (7) includes the valve body one (71) connected with two-way oil pipe (3) end, sealing screw (72) it is provided with in valve body one (71), the upper screwed end of sealing screw (72) is stretched out valve body one (71) and is screwed onto on fuel tank (2), sealing screw (72) middle part is provided with the shoulder hole that connect internal with valve body one (71), it is provided with in shoulder hole and is axially reciprocal motion and can form, at the ladder of shoulder hole, the poppet valve core (73) sealed, it is cased with on poppet valve core (73) making poppet valve core (73) spring one (74) of motion at the ladder of shoulder hole all the time, spring one (74) end is provided with steel ball one (75).
Integrated hydraulic system the most according to claim 2, it is characterised in that: the end that sealing screw (72) is screwed onto on fuel tank (2) is provided with sealing ring one (76).
Integrated hydraulic system the most according to claim 2, it is characterized in that: hand-operated valve (8) includes the striker seat (81) being fixed on fuel tank (2), it is provided with in striker seat (81) and axially reciprocating can be done and for promoting the striker (82) of steel ball one (75), striker (82) is cased with make the spring two (83) of striker (82) return.
Integrated hydraulic system the most according to claim 4, it is characterised in that: striker (82) end has handle (10), handle (10) to be hinged on fuel tank (2) through striker seat (81) and connection.
Integrated hydraulic system the most according to claim 5, it is characterized in that: on fuel tank (2), be additionally provided with overflow valve (9), overflow valve (9) includes the valve body two (91) being fixed on fuel tank (2), regulation screw (92) it is provided with in valve body two (91), the steel ball seat (93) being connected with regulation screw (92), steel ball seat (93) is provided with and can form the steel ball two (94) sealed at spout hole, being provided with between regulation screw (92) and steel ball seat (93) makes steel ball two (94) all the time toward the spring three (95) at the sealing of spout hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620317661.1U CN205590245U (en) | 2016-04-15 | 2016-04-15 | Integral type hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620317661.1U CN205590245U (en) | 2016-04-15 | 2016-04-15 | Integral type hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205590245U true CN205590245U (en) | 2016-09-21 |
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ID=56934669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620317661.1U Active CN205590245U (en) | 2016-04-15 | 2016-04-15 | Integral type hydraulic system |
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| Country | Link |
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| CN (1) | CN205590245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055405A (en) * | 2017-05-19 | 2017-08-18 | 宁波如意股份有限公司 | A kind of lifting structure of fork truck |
-
2016
- 2016-04-15 CN CN201620317661.1U patent/CN205590245U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107055405A (en) * | 2017-05-19 | 2017-08-18 | 宁波如意股份有限公司 | A kind of lifting structure of fork truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: 313300, Zhejiang County, Huzhou province Anji pass town, Xia Village village power industry park Patentee after: Zhejiang Zhongli Machinery Co., Ltd Address before: 313311, Zhejiang County, Huzhou province Anji pass town, Xia Village village power industry park Patentee before: Zhejiang Zhongli Machinery Co.,Ltd. |
|
| CP03 | "change of name, title or address" |