CN205671771U - A kind of adjustable height dais - Google Patents
A kind of adjustable height dais Download PDFInfo
- Publication number
- CN205671771U CN205671771U CN201620242813.6U CN201620242813U CN205671771U CN 205671771 U CN205671771 U CN 205671771U CN 201620242813 U CN201620242813 U CN 201620242813U CN 205671771 U CN205671771 U CN 205671771U
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- CN
- China
- Prior art keywords
- cylinder body
- dais
- oil
- line
- deck plate
- 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.)
- Expired - Fee Related
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model discloses a kind of adjustable height dais, including base (1), several lifting hydraulic cylinders (3) being fixedly mounted on base (1) and be arranged on lifting hydraulic cylinder (3) say deck plate (5), say that deck plate (5) is fixing with the piston rod (4) of lifting hydraulic cylinder (3) to be connected, lifting hydraulic cylinder (3) is connected with hydraulic system by fluid pressure line (15), and all hydraulic pipeline (15) is isometric.The beneficial effects of the utility model are: this utility model realizes saying the lifting of deck plate by using lifting hydraulic cylinder, it has, and lifting is steady, control the advantage flexible, noise is little, by by isometric for fluid pressure line design, lifting hydraulic cylinder can be made to obtain piston rod synchronization telescope, it is thus possible to make to say that deck plate remains level, can realize once lifting by making to tramp with one's feet, it has easy to use, advantage efficiently, and owing to being provided with in line check valve and oil outlet one-way valve, thus there is the function of pressurize.
Description
Technical field
This utility model relates to dais, specifically, is a kind of adjustable height dais.
Background technology
Dais under the conditions of prior art, it is the most non-adjustable, it is difficult to meet the difference of the user with different height
Demand.
The Chinese patent of Application No. 03251869.2 discloses a kind of adjustable teaching platform, it is disclosed that use rises
Descending mechanism adjusts the height at dais, and it is disclosed, and " elevating mechanism 2 is hydraulic cylinder, and its elevating lever 21 is fixed above movable to be said
Platform 3, its be provided with a pedal 22, using foot-propelled as power ", this structure is difficult to keep hydraulic cylinder persistently to export power, and should
Structure does not has labour-saving to act on, and needs make dais 3 increase or be maintained at certain height, and the power needing user to apply be enough to gram
Take the gravity at dais 3.And another way disclosed in it " elevating mechanism 2 can be pinion and rack, above-mentioned hydraulic cylinder and tooth
The elevating mechanism of wheel rackwork can be using motor as power ", according to full detail disclosed in this document, it is impossible to find energy
The fact that enough motor driven liquid cylinder pressures foundation, uses motor-driven gear to rotate, then drives gear rack elevating to be also difficult to make dais 3
Position keep fixing.
Utility model content
The purpose of this utility model be to provide a kind of rational in infrastructure, use height laborsaving, that dais can be made steadily to lift
Spend adjustable dais.
This utility model is achieved through the following technical solutions: a kind of adjustable height dais, and including base, several fix
The lifting hydraulic cylinder being arranged on base and be arranged on lifting hydraulic cylinder say deck plate, say deck plate and lifting hydraulic cylinder
Piston rod is fixing to be connected, and lifting hydraulic cylinder is connected with hydraulic system by fluid pressure line, and all hydraulic pipeline is isometric.
Described hydraulic system uses hydraulic oil as Transfer Medium, and it is included fuel tank, is connected with fuel tank by in-line
The oil discharging device being used for exporting hydraulic oil led to and the outlet line connecting oil discharging device and fluid pressure line.
Described oil discharging device includes cylinder body, the back-moving spring being arranged in cylinder body and the post that can be slidably mounted on cylinder body
Plug, cylinder body connects with in-line and outlet line respectively, and in-line is provided with the oil-feed being intended in hydraulic oil inflow cylinder body
Check valve, outlet line is provided with and is intended for the oil outlet one-way valve that hydraulic oil flows out from cylinder body.
Described plunger is tightly connected with cylinder body, and plunger is provided with pedal, is provided with cylinder body installing plate below cylinder body, and cylinder body is pacified
Dress plate is installed screw by cylinder body and is fixed on the ground.
The external return line of pipeline between described oil outlet one-way valve and fluid pressure line, return line is provided with valve,
Valve is provided with the pedal of draining the oil for opening valve, and return line connects with fuel tank.
Described valve is normally closed.
Described fuel tank is arranged on dais lower panels.
Described fuel tank upper surface is provided with several elastic supports.
Described says that deck plate is wooden rectangular panel, and lifting hydraulic cylinder has four and is evenly distributed on and says deck plate
Below corner.
Described piston rod with say deck plate use ball pivot be attached.
This utility model compared with prior art, has the following advantages and beneficial effect:
(1) this utility model is by using lifting hydraulic cylinder to realize saying the lifting of deck plate, its have lifting steadily, control
Flexibly, advantage that noise is little, by by isometric for fluid pressure line design, it is possible to make lifting hydraulic cylinder obtain piston rod synchronization telescope, from
And can make to say that deck plate remains level；
(2) this utility model is by using hydraulic oil as Transfer Medium so that the pressure loss is little, pressure transmission is rapid,
Steadily；
(3) this utility model is by using plunger to be transported in lifting hydraulic cylinder by the hydraulic oil in cylinder body, thus
Make lifting hydraulic cylinder piston rod rise to complete a lifting action, and back-moving spring make plunger return after can be at cylinder
Internal formation negative pressure is so that being drawn into the hydraulic oil in fuel tank in cylinder body, in order to realizes lifting action next time, passes through
Making to tramp with one's feet and can realize once lifting, it has easy to use a, advantage efficiently, and due to be provided with in line check valve and
Oil outlet one-way valve so that enter the hydraulic oil in fluid pressure line and lifting hydraulic cylinder and there is pressurize, prevent the merit of hydraulic oil adverse current
Can, so that this utility model uses laborsaving；
(4) this utility model can save place by fuel tank is arranged on dais lower panels, and by fuel tank
On elastic support is set can play the effect of buffer shock-absorbing, it is to avoid fuel tank, fluid pressure line or say that deck plate etc. is destroyed；
(5) this utility model is connected by the employing ball pivot making piston rod and say deck plate, it is possible to allow certain lifting
Error, prevents because hydraulic oil transmission is uneven or hydraulic oil transmission is fluctuated and caused and say that deck plate is unbalance, and beneficially holding is said
Bedplate surface level.
Accompanying drawing explanation
Fig. 1 is the structural representation at a kind of adjustable height dais；
Fig. 2 is the front sectional view at a kind of adjustable height dais；
Fig. 3 is enlarged drawing at the A at a kind of adjustable height dais；
Fig. 4 is lifting hydraulic cylinder and the connection diagram saying deck plate；
Fig. 5 is the structural scheme of mechanism of hydraulic system；
Wherein 1 base, 2 fix screw, 3 lifting hydraulic cylinders, 4 piston rods, and 5 say deck plate, and 6 drain the oil steps on
Plate, 7 pedals, 8 plungers, 9 cylinder bodies, 10 in line check valves, 11 cylinder bodies installation screws, 12 cylinder body installing plates,
13 oil outlet one-way valves, 14 valves, 15 fluid pressure lines, 16 fuel tanks, 17 elastic supports, 18 back-moving springs.
Detailed description of the invention
Below in conjunction with embodiment, this utility model is described in further detail, but embodiment of the present utility model is not
It is limited to this.
Embodiment 1:
As shown in Fig. 1 ~ Fig. 5, in the present embodiment, a kind of adjustable height dais, it is fixedly mounted on including base 1, four
Lifting hydraulic cylinder 3 and the rectangle being arranged on lifting hydraulic cylinder 3 on base 1 say deck plate 5, say deck plate 5 and lifting hydraulic pressure
The piston rod 4 of cylinder 3 uses ball pivot to be attached.Lifting hydraulic cylinder 3 is evenly distributed on below the corner saying deck plate 5, lifts liquid
Cylinder pressure 3 is connected with hydraulic system by fluid pressure line 15, and all hydraulic pipeline 15 is isometric, and described hydraulic system uses hydraulic oil
As Transfer Medium, it include fuel tank 16, by in-line connect with fuel tank 16 for the fuel-displaced dress that hydraulic oil is exported
Putting and connect the outlet line of oil discharging device and fluid pressure line 15, oil discharging device includes cylinder body, the reset being arranged in cylinder body 9
Spring 18 and slidable sealing are arranged on the plunger 8 on cylinder body 9, and plunger 8 is provided with pedal 7, be provided with cylinder body and install below cylinder body 9
Plate 12, cylinder body installing plate 12 installs screw 11 by cylinder body and fixes on the ground, cylinder body 9 respectively with in-line and outlet line
Connection, in-line is provided with the in line check valve 10 being intended in hydraulic oil inflow cylinder body 9, and outlet line is provided with and is intended for hydraulic pressure
The oil outlet one-way valve 13 that oil flows out from cylinder body 9.
In the present embodiment, the external return line of pipeline between described oil outlet one-way valve 13 and fluid pressure line 15, oil return
Pipeline is provided with normally closed valve 14, and valve 14 is provided with the pedal 6 of draining the oil for opening valve 14, return line and fuel tank 16
Connection.
In the present embodiment, described fuel tank 16 is arranged on to be said below deck plate 5, and it is elastic that fuel tank 16 upper surface is provided with several
Bearing 17.
The work process of the present embodiment is as follows: during use, steps on pedal 7, and plunger 8 then can promote the hydraulic oil in cylinder body 9
Flowing to lifting hydraulic cylinder 3, hydraulic oil promotes the piston rod 4 of lifting hydraulic cylinder 3 upwardly, so that say on deck plate 5
Rise, owing to fluid pressure line 15 is isometric, so piston rod 4 is capable of synchronizing to rise, so that on saying that deck plate 5 is smoothly
Rise.After foot leaves pedal, plunger 8 resets under the effect of back-moving spring 18, forms negative pressure thus by fuel tank 16 in cylinder body 9
Interior hydraulic oil is drawn in cylinder body 9.Can will say that deck plate rises to conjunction according to use demand by the action repeating to trample
Suitable height.
Making valve 14 open by stepping on pedal 6 of draining the oil, the hydraulic oil in lifting hydraulic cylinder 3 and fluid pressure line 15 will be
Hydraulic oil internal pressure, gravity or be flowed in fuel tank 16 by valve 14 under saying the action of gravity of deck plate 15, so that
Saying that deck plate 5 is fallen, unclamp pedal 6 of draining the oil, valve 14 is closed, and says that deck plate 15 can be continually maintained in existing position.
Embodiment 2:
In the present embodiment, using air as pressure transmission medium, it has, and medium sources scope is wide, use cleaning, one-tenth
This is the lowest, the advantages such as leakage does not pollutes the environment occur, and in hot environment, air as medium influence relative to
Hydraulic oil is lower.
Embodiment 3:
In the present embodiment, oil discharging device is hydraulic pump, and hydraulic pump electrically connects with motor, says that deck plate is provided with control motor
The switch started, by using on-off control electric motor starting so that hydraulic pump works, the hydraulic oil in fuel tank is extracted out by hydraulic pump
And be transported in lifting hydraulic cylinder thus realize promoting the function saying deck plate.
The above, be only preferred embodiment of the present utility model, and this utility model not does any pro forma limit
System, every according to technical spirit of the present utility model, above example is made any simple modification, equivalent variations, each fall within
Within protection domain of the present utility model.
Claims (8)
1. an adjustable height dais, it is characterised in that: include base (1), several be fixedly mounted on the act on base (1)
Rise hydraulic cylinder (3) and be arranged on lifting hydraulic cylinder (3) say deck plate (5), say deck plate (5) and lifting hydraulic cylinder (3)
Piston rod (4) is fixing to be connected, and lifting hydraulic cylinder (3) is connected with hydraulic system by fluid pressure line (15), all hydraulic pipeline
(15) isometric, described hydraulic system uses hydraulic oil as Transfer Medium, and it includes fuel tank (16), by in-line and oil
Case (16) connect for the oil discharging device that hydraulic oil is exported and the flowline of connection oil discharging device and fluid pressure line (15)
Road, described oil discharging device includes cylinder body, the back-moving spring (18) that is arranged in cylinder body (9) and can be slidably mounted at cylinder body (9)
On plunger (8), cylinder body (9) connects with in-line and outlet line respectively, in-line be provided be intended for hydraulic oil flow into
In line check valve (10) in cylinder body (9), outlet line is provided with and is intended for the oil outlet one-way valve that hydraulic oil flows out from cylinder body (9)
(13).
A kind of adjustable height dais the most according to claim 1, it is characterised in that: described plunger (8) and cylinder body (9)
Being tightly connected, plunger (8) is provided with pedal (7), and cylinder body (9) lower section is provided with cylinder body installing plate (12), and cylinder body installing plate (12) leads to
Cross cylinder body installation screw (11) to fix on the ground.
A kind of adjustable height dais the most according to claim 1, it is characterised in that: described oil outlet one-way valve (13) with
The external return line of pipeline between fluid pressure line (15), return line is provided with valve (14), valve (14) be provided with for
Opening the pedal of draining the oil (6) of valve (14), return line connects with fuel tank (16).
A kind of adjustable height dais the most according to claim 3, it is characterised in that: described valve (14) is normally closed.
A kind of adjustable height dais the most according to claim 1, it is characterised in that: described fuel tank (16) is arranged on to be said
Deck plate (5) lower section.
A kind of adjustable height dais the most according to claim 5, it is characterised in that: described fuel tank (16) upper surface sets
There are several elastic supports (17).
A kind of adjustable height dais the most according to claim 1, it is characterised in that: deck plate (5) is for wood in described saying
The rectangular panel of system, lifting hydraulic cylinder (3) has four and is evenly distributed on below the corner saying deck plate (5).
A kind of adjustable height dais the most according to claim 1, it is characterised in that: described piston rod (4) and dais
Panel (5) uses ball pivot to be attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620242813.6U CN205671771U (en) | 2016-03-28 | 2016-03-28 | A kind of adjustable height dais |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620242813.6U CN205671771U (en) | 2016-03-28 | 2016-03-28 | A kind of adjustable height dais |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205671771U true CN205671771U (en) | 2016-11-09 |
Family
ID=57439212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620242813.6U Expired - Fee Related CN205671771U (en) | 2016-03-28 | 2016-03-28 | A kind of adjustable height dais |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205671771U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108017011A (en) * | 2017-12-14 | 2018-05-11 | 王永 | A kind of multifunction teaching platform |
| CN108058815A (en) * | 2017-10-31 | 2018-05-22 | 中航通飞研究院有限公司 | A kind of simple and flexible can realize the operating mechanism of operation of landing gear |
| CN108378546A (en) * | 2018-03-07 | 2018-08-10 | 湖南城市学院 | Liftable dais |
| WO2018171073A1 (en) * | 2017-03-23 | 2018-09-27 | 青岛海尔洗衣机有限公司 | Bottom foot for household appliance, and household appliance |
| CN114658922A (en) * | 2022-03-18 | 2022-06-24 | 中国水电四局（兰州）机械装备有限公司 | Pressure steel pipe mounting bracket convenient to high-efficient alignment |
-
2016
- 2016-03-28 CN CN201620242813.6U patent/CN205671771U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018171073A1 (en) * | 2017-03-23 | 2018-09-27 | 青岛海尔洗衣机有限公司 | Bottom foot for household appliance, and household appliance |
| CN108626532A (en) * | 2017-03-23 | 2018-10-09 | 青岛海尔洗衣机有限公司 | A kind of household electrical appliance footing and household electrical appliance |
| US10711388B2 (en) | 2017-03-23 | 2020-07-14 | Qingdao Haier Washing Machine Co., Ltd. | Support for household appliance, and household appliance |
| CN108626532B (en) * | 2017-03-23 | 2021-03-30 | 青岛胶南海尔洗衣机有限公司 | Footing for household appliance and household appliance |
| CN108058815A (en) * | 2017-10-31 | 2018-05-22 | 中航通飞研究院有限公司 | A kind of simple and flexible can realize the operating mechanism of operation of landing gear |
| CN108017011A (en) * | 2017-12-14 | 2018-05-11 | 王永 | A kind of multifunction teaching platform |
| CN108378546A (en) * | 2018-03-07 | 2018-08-10 | 湖南城市学院 | Liftable dais |
| CN108378546B (en) * | 2018-03-07 | 2019-09-13 | 湖南城市学院 | Liftable dais |
| CN114658922A (en) * | 2022-03-18 | 2022-06-24 | 中国水电四局（兰州）机械装备有限公司 | Pressure steel pipe mounting bracket convenient to high-efficient alignment |
| CN114658922B (en) * | 2022-03-18 | 2024-05-07 | 中国水电四局（兰州）机械装备有限公司 | Pressure steel pipe mounting bracket convenient to high-efficient alignment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20210328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |