CN209411676U - A kind of hydraulic jack automatically adjusting oil discharging valve - Google Patents
A kind of hydraulic jack automatically adjusting oil discharging valve Download PDFInfo
- Publication number
- CN209411676U CN209411676U CN201821998312.6U CN201821998312U CN209411676U CN 209411676 U CN209411676 U CN 209411676U CN 201821998312 U CN201821998312 U CN 201821998312U CN 209411676 U CN209411676 U CN 209411676U
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- Prior art keywords
- pipe
- fixed
- oil discharging
- pump housing
- discharging valve
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Abstract
The utility model discloses a kind of hydraulic jacks for automatically adjusting oil discharging valve, including hydraulic cylinder, the pump housing and fuel tank, lifting member is placed in the hydraulic cylinder, handle is fixed in the pump housing, communicating pipe is fixed between the hydraulic cylinder and the pump housing, fuel sucking pipe is fixed between the pump housing and the fuel tank, return pipe is fixed between the hydraulic cylinder and the fuel tank, No.1 check valve is installed on the communicating pipe, No. two check valves are installed on the fuel sucking pipe, the handle elastic is fixed on the pump housing, oil discharging valve is fixed on the return pipe, valve regulated mechanism is fixed on the hydraulic cylinder.The utility model can prevent the danger for leading to piston rod rapid decrease due to oil discharging valve opens too fast by adding the opening speed of valve regulated mechanism controls oil discharging valve；Handle elastic is fixed on the pump housing simultaneously, it is possible to prevente effectively from because handle lift to it is excessively high due to the obscission that occurs.
Description
Technical field
The utility model relates to a kind of hydraulic jack, specially a kind of hydraulic jack for automatically adjusting oil discharging valve,
Belong to hydraulic jack application field.
Background technique
Hydraulic jack is used as rigid top lift part using plunger or hydraulic cylinder, and with compact-sized, stable working shores power
Greatly, can be self-locking the features such as, thus it is widely used in all trades and professions.
Hydraulic jack, by the variation of sealed volume come passing movement, passes through oil liquid using oil liquid as working media
Internal pressure transmits power, completes the process shored.
During controlling piston rod decline, oil discharging valve, hydraulic cylinder off-load need to be opened manually, and piston rod declines, herein mistake
Cheng Zhong need to control the opening speed of oil discharging valve, too fast can not open, and otherwise decrease speed is too fast will generate danger；In addition,
Using, it should also be appreciated that can not mention handle to excessively high, otherwise handle is easy to fall off from the pump housing when handle.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of liquid for automatically adjusting oil discharging valve
Press jack.
The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of to automatically adjust hydraulic the thousand of oil discharging valve
Jin pushes up, including hydraulic cylinder, the pump housing and fuel tank, is placed with lifting member in the hydraulic cylinder, handle is fixed in the pump housing, described
It is fixed with communicating pipe between hydraulic cylinder and the pump housing, fuel sucking pipe is fixed between the pump housing and the fuel tank, it is described hydraulic
It is fixed with return pipe between cylinder and the fuel tank, No.1 check valve is installed on the communicating pipe, is equipped on the fuel sucking pipe
No. two check valves, the handle elastic are fixed on the pump housing, and oil discharging valve, the hydraulic cylinder are fixed on the return pipe
On be fixed with valve regulated mechanism, oil discharging valve described in the valve regulated mechanism controls.
Preferably, the oil discharging valve includes No.1 gear and Valve plug, and the Valve plug is fixed on the No.1 gear
Bottom, the Valve plug extend in the return pipe, and the Valve plug side wall is equipped with through slot, and the through slot is located at described return
In flow tube, the valve regulated mechanism includes servo motor and No. two gears, and the servo motor and No. two gears pass through
Connecting shaft is connected, and the servo motor is externally provided with motor cover, and the motor cover is welded on the hydraulic cylinder side wall, the motor cover
Bottom surface is equipped with connecting shaft through slot, and the servo motor is fixed in the motor cover, and the connecting shaft runs through the connecting shaft through slot, institute
It states No. two gears and the No.1 gear is intermeshed.
Preferably, welding block is fixed in the motor cover, the welding block side wall is equipped with limiting groove, the limit
The indent radian of groove is identical as the hydraulic cylinder side wall radian, and the hydraulic cylinder welding is entrenched in the limiting groove.
Preferably, the servo motor is monophase machine, and the revolving speed of the servo motor is 60r/min.
Preferably, right diversion pipe, left diversion pipe and seal pipe are fixed in the return pipe, the right diversion pipe and described
Left diversion pipe is connected to the seal pipe respectively, and the Valve plug is set in the seal pipe, the through slot respectively with it is described
Right diversion pipe is connected to the left diversion pipe.
Preferably, the right diversion pipe is identical with left diversion pipe model and is oppositely arranged, the right diversion pipe or the left side
Diversion pipe includes cone-shaped tube and straight tube pipe, and the cone-shaped tube is fixed on the straight tube pipe, the straight tube pipe and the return pipe
Inner wall is welded and fixed, and the seal pipe side wall is equipped with the through-hole in symmetrical structure, and the cone-shaped tube front end is welded on described logical
On the inner wall of hole, the sealing inside pipe wall is equipped with limiting slot, and the Valve plug surface is equipped with spacing collar, and the spacing collar is embedded in institute
It states in limiting slot, the limiting slot is located at right above the through-hole.
Preferably, it is welded with fixed block on the pump housing side wall, spring stack, the spring stack is fixed on the fixed block
Upper surface is connected with the handle.
Preferably, the length of the spring stack is less than the height of the pump housing.
The beneficial effects of the utility model are: a kind of hydraulic jack for automatically adjusting oil discharging valve disclosed by the utility model
Top can prevent from leading because oil discharging valve unlatching is too fast by adding the opening speed of valve regulated mechanism controls oil discharging valve
The danger of activation stopper rod rapid decrease；Handle elastic is fixed on the pump housing simultaneously, it is possible to prevente effectively from because handle is lifted to excessively high
And the obscission occurred.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the utility model oil discharging valve and valve regulated mechanism attachment structure schematic diagram.
Fig. 3 connect schematic diagram of internal structure with return pipe for the utility model valve plug.
Fig. 4 is the utility model valve plug and seal pipe attachment structure schematic diagram.
In figure: 1, hydraulic cylinder, 2, the pump housing, 3, fuel tank, 4, lifting member, 5, handle, 6, communicating pipe, 7, fuel sucking pipe, 8, reflux
Pipe, 9, No.1 check valve, 10, No. two check valves, 11, fixed block, 12, spring stack, 13, oil discharging valve, 14, valve regulated machine
Structure, 15, No.1 gear, 16, Valve plug, 17, through slot, 18, No. two gears, 19, connecting shaft, 20, motor cover, 21, welding block, 22,
Limiting groove, 23, servo motor, 24, connecting shaft through slot, 25, right diversion pipe, 26, left diversion pipe, 27, cone-shaped tube, 28, straight tube pipe,
29, seal pipe, 30, limiting slot, 31, through-hole, 32, spacing collar.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be noted that the side of the instructions such as term " on ", "lower", "inner" and "outside"
Position or positional relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.In addition, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；It can be and be directly connected to, can also be indirectly connected with by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
It please refers to shown in Fig. 1-4, a kind of hydraulic jack automatically adjusting oil discharging valve, including hydraulic cylinder 1,2 and of the pump housing
Fuel tank 3 is placed with lifting member 4 in the hydraulic cylinder 1, handle 5, the hydraulic cylinder 1 and the pump housing is fixed in the pump housing 2
It is fixed with communicating pipe 6 between 2, fuel sucking pipe 7, the hydraulic cylinder 1 and the oil are fixed between the pump housing 2 and the fuel tank 3
It is fixed with return pipe 8 between case 3, No.1 check valve 9 is installed on the communicating pipe 6, No. two lists are installed on the fuel sucking pipe 7
To valve 10,5 flexible fastening of handle is fixed with oil discharging valve 13 on the pump housing 2 on the return pipe 8, described hydraulic
Valve regulated mechanism 14 is fixed on cylinder 1, the valve regulated mechanism 14 controls the oil discharging valve 13.
The oil discharging valve 13 includes No.1 gear 15 and Valve plug 16, and the Valve plug 16 is fixed on the No.1 gear
15 bottoms, the Valve plug 16 extend in the return pipe 8, and 16 side wall of Valve plug is equipped with through slot 17, the through slot
17 are located in the return pipe 8, and the valve regulated mechanism 14 includes servo motor 23 and No. two gears 18, the servo motor
23 are connected with No. two gears 18 by connecting shaft 19, and the servo motor 23 is externally provided with motor cover 20, and the motor cover 20 is welded
It connects on 1 side wall of hydraulic cylinder, 20 bottom surface of motor cover is equipped with connecting shaft through slot 24, and the servo motor 23 is fixed on institute
It states in motor cover 20, the connecting shaft 19 runs through the connecting shaft through slot 24, and No. two gears 18 and the No.1 gear 15 are mutually
Engagement.
Servo motor 23 controls No. two gears 18 and rotates, and No. two rotations of gear 18 drive No.1 gear 15 to rotate, and is reached with this
To the open and close of control oil discharging valve 13.
Welding block 21 is fixed in the motor cover 20,21 side wall of welding block is equipped with limiting groove 22, the limit
The indent radian of position groove 22 is identical as the 1 side wall radian of hydraulic cylinder, and the welding of hydraulic cylinder 1 is entrenched in the limiting groove
In 22.
The servo motor 23 is monophase machine, and the revolving speed of the servo motor 23 is 60r/min.
Right diversion pipe 25, left diversion pipe 26 and seal pipe 29, the right diversion pipe 25 and institute are fixed in the return pipe 8
It states left diversion pipe 26 to be connected to the seal pipe 29 respectively, the Valve plug 16 is set in the seal pipe 29, the through slot
17 are connected to the right diversion pipe 25 and the left diversion pipe 26 respectively.
The right diversion pipe 25 is identical with left 26 model of diversion pipe and is oppositely arranged, and the right diversion pipe 25 or the left side are led
Flow tube 26 includes cone-shaped tube 27 and straight tube pipe 28, and the cone-shaped tube 27 is fixed on the straight tube pipe 28, the straight tube pipe 28 with
8 inner wall of return pipe is welded and fixed, and 29 side wall of seal pipe is equipped with the through-hole 31 in symmetrical structure, the cone-shaped tube 27
Front end is welded on 31 inner wall of through-hole, and 29 inner wall of seal pipe is equipped with limiting slot 30, and 16 surface of Valve plug is set
There is spacing collar 32, in the limiting slot 30, the limiting slot 30 is located at right above the through-hole 31 spacing collar 32.
16 diameter of Valve plug is identical as 29 internal diameter of seal pipe.
Servo motor 23 works, and control valve plug 16 is rotated with the speed of 60r/min, through slot 17 ceaselessly with right diversion pipe
25 are connected to left diversion pipe 26, stop, and reach the flow velocity for slowing down hydraulic oil in return pipe 8.
Spacing collar 32 and the mutual of limiting slot 30 are fitted into, and improve the stability that Valve plug 16 rotates in seal pipe 29,
Leaking for hydraulic oil is also prevented simultaneously.
It is welded with fixed block 11 on 2 side wall of the pump housing, spring stack 12, the spring stack are fixed on the fixed block 11
12 upper surfaces are connected with the handle 5.
The length of the spring stack 12 is less than the height of the pump housing 2.
Under the limitation of spring stack 12, the degree of raising of handle 5 does not exceed the pump housing 2, avoids handle 5 from the pump housing yet
The case where falling off in 2.
Embodiment
Upward carrying handle 5, the hydraulic oil in fuel tank 3 suck in the pump housings 2 through No. two check valves 10, are pressed down against handle 5,
Hydraulic oil in the pump housing 2 flows into hydraulic cylinder 1 through No.1 check valve 9, achievees the purpose that prop up lifting member 4.
When needing to be depressured hydraulic cylinder 1, servo motor 23 is opened, the control of servo motor 23 controls No. two 18 turns of gear
Dynamic, No. two rotations of gear 18 drive No.1 gear 15 to rotate, and reach control valve plug 16 with this and are being sealed with the speed of 60r/min
Rotation in pipe 29, since the nozzle of right diversion pipe 25 and left diversion pipe 26 and through slot 17 are opposite, in the process that Valve plug 16 rotates
In, running of hydraulic power oil when through slot 17 is connected to the nozzle of right diversion pipe 25 and left diversion pipe 26, through slot 17 and right diversion pipe 25 and
When the nozzle of left diversion pipe 26 disconnects, hydraulic oil stops flowing, and the flow velocity for reducing hydraulic oil in return pipe 8 is reached with this.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of hydraulic jack for automatically adjusting oil discharging valve, including hydraulic cylinder (1), the pump housing (2) and fuel tank (3), the liquid
It is placed with lifting member (4), is fixed with handle (5) in the pump housing (2), the hydraulic cylinder (1) and the pump housing in cylinder pressure (1)
(2) it is fixed between communicating pipe (6), fuel sucking pipe (7), the hydraulic cylinder is fixed between the pump housing (2) and the fuel tank (3)
(1) it is fixed between the fuel tank (3) return pipe (8), No.1 check valve (9), the suction is installed on the communicating pipe (6)
No. two check valves (10) are installed on oil pipe (7), it is characterised in that: handle (5) flexible fastening on the pump housing (2),
It is fixed with oil discharging valve (13) on the return pipe (8), is fixed with valve regulated mechanism (14) on the hydraulic cylinder (1), it is described
Valve regulated mechanism (14) controls the oil discharging valve (13).
2. a kind of hydraulic jack for automatically adjusting oil discharging valve according to claim 1, it is characterised in that: described to drain the oil
Valve (13) includes No.1 gear (15) and Valve plug (16), and the Valve plug (16) is fixed on No.1 gear (15) bottom
Portion, the Valve plug (16) extend in the return pipe (8), and Valve plug (16) side wall is equipped with through slot (17), described
Through slot (17) is located in the return pipe (8), and the valve regulated mechanism (14) includes servo motor (23) and No. two gears
(18), the servo motor (23) is connected with No. two gears (18) by connecting shaft (19), servo motor (23) peripheral hardware
Have motor cover (20), the motor cover (20) is welded on the hydraulic cylinder (1) side wall, and motor cover (20) bottom surface is equipped with
Connecting shaft through slot (24), the servo motor (23) are fixed in the motor cover (20), and the connecting shaft (19) runs through the connecting shaft
Through slot (24), No. two gears (18) and the No.1 gear (15) are intermeshed.
3. a kind of hydraulic jack for automatically adjusting oil discharging valve according to claim 2, it is characterised in that: the motor
It is fixed with welding block (21) on cover (20), welding block (21) side wall is equipped with limiting groove (22), the limiting groove
(22) indent radian is identical as the hydraulic cylinder (1) side wall radian, and hydraulic cylinder (1) welding is entrenched in the limiting groove
(22) in.
4. a kind of hydraulic jack for automatically adjusting oil discharging valve according to claim 2, it is characterised in that: the servo
Motor (23) is monophase machine, and the revolving speed of the servo motor (23) is 60r/min.
5. a kind of hydraulic jack for automatically adjusting oil discharging valve according to claim 2, it is characterised in that: the reflux
It is fixed with right diversion pipe (25), left diversion pipe (26) and seal pipe (29) in pipe (8), the right diversion pipe (25) and the left side are led
Flow tube (26) is connected to the seal pipe (29) respectively, and the Valve plug (16) is set in the seal pipe (29), described logical
Slot (17) is connected to the right diversion pipe (25) and the left diversion pipe (26) respectively.
6. a kind of hydraulic jack for automatically adjusting oil discharging valve according to claim 5, it is characterised in that: lead on the right side
Flow tube (25) is identical with left diversion pipe (26) model and is oppositely arranged, the right diversion pipe (25) or the left diversion pipe (26) packet
Cone-shaped tube (27) and straight tube pipe (28) are included, the cone-shaped tube (27) is fixed on the straight tube pipe (28), the straight tube pipe (28)
It is welded and fixed with the return pipe (8) inner wall, seal pipe (29) side wall is equipped with the through-hole (31) in symmetrical structure, described
Cone-shaped tube (27) front end is welded on the through-hole (31) inner wall, and seal pipe (29) inner wall is equipped with limiting slot (30), institute
Valve plug (16) surface is stated equipped with spacing collar (32), the spacing collar (32) is in the limiting slot (30), the limiting slot
(30) it is located at right above the through-hole (31).
7. a kind of hydraulic jack for automatically adjusting oil discharging valve according to claim 1, it is characterised in that: the pump housing
(2) it is welded on side wall fixed block (11), is fixed with spring stack (12) on the fixed block (11), table on the spring stack (12)
Face is connected with the handle (5).
8. a kind of hydraulic jack for automatically adjusting oil discharging valve according to claim 7, it is characterised in that: the spring
The length of column (12) is less than the height of the pump housing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821998312.6U CN209411676U (en) | 2018-11-30 | 2018-11-30 | A kind of hydraulic jack automatically adjusting oil discharging valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821998312.6U CN209411676U (en) | 2018-11-30 | 2018-11-30 | A kind of hydraulic jack automatically adjusting oil discharging valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209411676U true CN209411676U (en) | 2019-09-20 |
Family
ID=67935942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821998312.6U Expired - Fee Related CN209411676U (en) | 2018-11-30 | 2018-11-30 | A kind of hydraulic jack automatically adjusting oil discharging valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209411676U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648454A (en) * | 2020-06-16 | 2020-09-11 | 高丹 | Confluent storage type deep tunnel constructed by quasi-rectangular shield tunneling machine |
-
2018
- 2018-11-30 CN CN201821998312.6U patent/CN209411676U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648454A (en) * | 2020-06-16 | 2020-09-11 | 高丹 | Confluent storage type deep tunnel constructed by quasi-rectangular shield tunneling 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: 20190920 Termination date: 20211130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |