CN203865995U - Lifting platform truck - Google Patents
Lifting platform truck Download PDFInfo
- Publication number
- CN203865995U CN203865995U CN201420279701.9U CN201420279701U CN203865995U CN 203865995 U CN203865995 U CN 203865995U CN 201420279701 U CN201420279701 U CN 201420279701U CN 203865995 U CN203865995 U CN 203865995U
- Authority
- CN
- China
- Prior art keywords
- air pressure
- base
- platform
- extensible member
- valve
- 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 - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 7
- 230000000630 rising effect Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Actuator (AREA)
Abstract
The utility model relates to a lifting conveying tool, in particular to a lifting platform truck. According to the technical scheme, the lifting platform truck comprises a base, a lifting support installed on the base, and a platform installed on the lifting support. Idler wheels are arranged on the base. A stretchy part which can stretch out or draw back freely is arranged between the base and the platform. An air pressure cavity is formed in the stretchy part. The base is provided with a control valve for inflating the air pressure cavity with air pressure. The stretch part is provided with an adjustable exhaust assembly. By the adoption of the technical scheme, the lifting platform truck is convenient to install and low in cost.
Description
Technical field
The utility model relates to a kind of lifting means of delivery, particularly a kind of lifting platform truck.
Background technology
Lifting platform truck is the lifting machinery equipment for aloft work maintenance.Traditional lifting platform truck mainly by base, be installed on the lifting support on base and be installed on the platform on lifting support, base is provided with roller.Lifting support relies on hydraulic cylinder or oil cylinder to implement to drive conventionally, and hydraulic cylinder or hydraulic ram are installed thereon, and not only installation procedure complexity, and cost is higher, inconvenient maintenance after damaging, and replacement cost is higher.
Summary of the invention
The deficiency existing for prior art, the utility model provides a kind of lifting platform truck easy for installation, with low cost.
For achieving the above object, the utility model provides following technical scheme: a kind of lifting platform truck, include base, be installed on the lifting support on base and be installed on the platform on lifting support, base is provided with roller, it is characterized in that: between described base and platform, establish and the extensible member with elasticity and retractable, in extensible member, be provided with atmospheric pressure cavity, base is provided with the control cock that can pour to atmospheric pressure cavity air pressure, and extensible member is provided with adjustable gas deflation assembly.
Adopt technique scheme, by extensible member being set between base and platform, in extensible member, be provided with atmospheric pressure cavity, in use, by control cock to pouring air pressure in atmospheric pressure cavity, in the time that the air pressure in atmospheric pressure cavity is propped up extensible member completely, between platform and base, lifting support also can be fully opened, platform is risen, due to the conflict of air pressure to platform, make can place weight on platform, and platform is need to lower time, by gas deflation assembly, the air pressure of pressure chamber is implemented to get rid of, air pressure is excluded in process, platform can be implemented towards base mobile, lifting support is packed up, in this process, can be by regulating the rising or falling speed of gas deflation assembly control platform.Without by hydraulic cylinder or oil cylinder, easy for installation, easy to maintenance, thus reduce productive costs.
The utility model is further set to: extensible member includes one end and is fixedly connected with base, the bellows that the other end is fixedly connected with platform, atmospheric pressure cavity is the internal cavities of bellows, described control cock includes the valve body on installation and base, valve body include with pressure chamber conducting air pressure access passage and with the air pressure input channel of outside conducting, between air pressure input channel and air pressure access passage, be provided with connection chamber, in connection chamber, be provided with Compress Spring and steel ball, steel ball can seal with air pressure input channel, axial one end of Compress Spring and steel ball are conflicted, the other end and valve body are positioned at the end face at air pressure access passage place and conflict.
Adopt technique scheme, in the time that air pressure is entered by the air pressure input channel of valve body, air pressure overcomes the spring force of Compress Spring, by steel ball jack-up, make air pressure can enter into connection chamber, and approach air pressure access passage enter in atmospheric pressure cavity, while stopping inflating, Compress Spring resets, steel ball and the sealing of air pressure input channel, can not reveal the air pressure in atmospheric pressure cavity, arranges so simple in structure, and good airproof performance, make the lifting of carrying out that platform can be stable.
The utility model is further set to: gas deflation assembly includes the adjustable blow off valve being installed on extensible member, this adjustable blow off valve includes the exhaust valve being installed on extensible member, exhaust valve is provided with one end pressure chamber conducting, the valve pocket of the other end and outside conducting, in valve pocket, be provided with rotatable and have a ball core of interface channel, exhaust valve is provided with regulating handle that can the rotation of drive ball core.
Adopt technique scheme, can regulate ball core by regulating handle, on ball core, the unlatching of interface channel distance can determine the mass rate of emission of air pressure, has also determined the rising or falling speed of platform simultaneously, arranges so simple in structure, easy to operate.
Below in conjunction with accompanying drawing, the utility model is further described.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the I portion enlarged diagram of Fig. 1;
Fig. 3 is the II portion enlarged diagram of Fig. 1.
Detailed description of the invention
A kind of lifting platform truck as shown in Fig. 1-Fig. 3, include base 1, be installed on the lifting support 2 on base 1 and be installed on the platform 3 on lifting support 2, base 1 is provided with roller 4, between base 1 and platform 3, establish and the extensible member 5 with elasticity and retractable, in extensible member 5, be provided with atmospheric pressure cavity 51, base 1 is provided with the control cock 6 that can pour to atmospheric pressure cavity 51 air pressure, and extensible member 5 is provided with adjustable gas deflation assembly 7.In such scheme, by extensible member 5 being set between base 1 and platform 3, in extensible member 5, be provided with atmospheric pressure cavity 51, in use, by control cock 6 to pouring air pressure in atmospheric pressure cavity 51, in the time that the air pressure in atmospheric pressure cavity 51 is propped up extensible member 5 completely, between platform 3 and base 1, lifting support 2 also can be fully opened, platform 3 is risen, due to the conflict of air pressure to platform 3, make can place weight on platform 3, and platform 3 is need to lower time, by gas deflation assembly 7, the air pressure of pressure chamber 51 is implemented to get rid of, air pressure is excluded in process, platform 3 can be implemented mobile towards base 1, lifting support 2 is packed up, in this process, can be by regulating gas deflation assembly 7 to control the rising or falling speed of platform 3.Without by hydraulic cylinder or oil cylinder, easy for installation, easy to maintenance, thus reduce productive costs.
In the utility model embodiment, extensible member 5 includes one end and is fixedly connected with base 1, the bellows that the other end is fixedly connected with platform 3, the internal cavities that atmospheric pressure cavity 51 is bellows, control cock 6 includes the valve body on installation and base 1, valve body include with pressure chamber 51 conducting air pressure access passages 61 and with the air pressure input channel 62 of outside conducting, between air pressure input channel 62 and air pressure access passage 61, be provided with connection chamber 63, in connection chamber 63, be provided with Compress Spring 64 and steel ball 65, steel ball 65 can seal with air pressure input channel 62, axial one end and the steel ball 65 of Compress Spring 64 are conflicted, the other end and valve body are positioned at the end face at air pressure access passage 61 places and conflict.In the time that air pressure is entered by the air pressure input channel 62 of valve body, air pressure overcomes the spring force of Compress Spring 64, by steel ball 65 jack-up, makes air pressure can enter into connection chamber 63, and approach air pressure access passage 61 enters in atmospheric pressure cavity 51, while stopping inflating, Compress Spring 64 resets, and steel ball 65 seals with air pressure input channel 62, air pressure in atmospheric pressure cavity 51 can not be revealed, arrange so simple in structurely, and good airproof performance, makes the lifting of carrying out that platform 3 can be stable.
In order to make platform 3 can move towards base 1 (landing after rising), gas deflation assembly 7 in the utility model embodiment includes the adjustable blow off valve being installed on extensible member 5, this adjustable blow off valve includes the exhaust valve 71 being installed on extensible member, exhaust valve 71 is provided with 51 conductings of one end pressure chamber, the valve pocket 72 of the other end and outside conducting, in valve pocket 72, be provided with rotatable and have a ball core 73 of interface channel 731, exhaust valve is provided with the regulating handle 74 can drive ball core 73 rotating.Can regulate ball core 73 by regulating handle 74, on ball core 73, the unlatching of interface channel 731 distance can determine the mass rate of emission of air pressure, has also determined the rising or falling speed of platform 3 simultaneously, arranges so simple in structure, easy to operate.It should be noted that, after platform 3 is down to a certain degree, can be by closing regulating handle 74, platform 3 is positioned on certain height, be also feasible.
Claims (3)
1. a lifting platform truck, include base, be installed on the lifting support on base and be installed on the platform on lifting support, base is provided with roller, it is characterized in that: between described base and platform, establish and the extensible member with elasticity and retractable, in extensible member, be provided with atmospheric pressure cavity, base is provided with the control cock that can pour to atmospheric pressure cavity air pressure, and extensible member is provided with adjustable gas deflation assembly.
2. lifting platform truck according to claim 1, it is characterized in that: described extensible member includes one end and is fixedly connected with base, the bellows that the other end is fixedly connected with platform, atmospheric pressure cavity is the internal cavities of bellows, described control cock includes the valve body on installation and base, valve body include with pressure chamber conducting air pressure access passage and with the air pressure input channel of outside conducting, between air pressure input channel and air pressure access passage, be provided with connection chamber, in connection chamber, be provided with Compress Spring and steel ball, steel ball can seal with air pressure input channel, axial one end of Compress Spring and steel ball are conflicted, the other end and valve body are positioned at the end face at air pressure access passage place and conflict.
3. lifting platform truck according to claim 1 and 2, it is characterized in that: described gas deflation assembly includes the adjustable blow off valve being installed on extensible member, this adjustable blow off valve includes the exhaust valve being installed on extensible member, exhaust valve is provided with one end pressure chamber conducting, the valve pocket of the other end and outside conducting, in valve pocket, be provided with rotatable and have a ball core of interface channel, exhaust valve is provided with regulating handle that can the rotation of drive ball core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420279701.9U CN203865995U (en) | 2014-05-28 | 2014-05-28 | Lifting platform truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420279701.9U CN203865995U (en) | 2014-05-28 | 2014-05-28 | Lifting platform truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203865995U true CN203865995U (en) | 2014-10-08 |
Family
ID=51646974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420279701.9U Expired - Lifetime CN203865995U (en) | 2014-05-28 | 2014-05-28 | Lifting platform truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203865995U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265367A (en) * | 2017-06-30 | 2017-10-20 | 无锡威奥液压机电设备有限公司 | A kind of small-sized hydraulic hoistable platform |
| CN111765537A (en) * | 2020-07-19 | 2020-10-13 | 温州华志宇强科技有限公司 | Outer quick-witted support of over-and-under type air conditioner |
-
2014
- 2014-05-28 CN CN201420279701.9U patent/CN203865995U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107265367A (en) * | 2017-06-30 | 2017-10-20 | 无锡威奥液压机电设备有限公司 | A kind of small-sized hydraulic hoistable platform |
| CN111765537A (en) * | 2020-07-19 | 2020-10-13 | 温州华志宇强科技有限公司 | Outer quick-witted support of over-and-under type air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |