CN211737624U - Valve group special for controlling lifting platform - Google Patents
Valve group special for controlling lifting platform Download PDFInfo
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- CN211737624U CN211737624U CN202020329031.2U CN202020329031U CN211737624U CN 211737624 U CN211737624 U CN 211737624U CN 202020329031 U CN202020329031 U CN 202020329031U CN 211737624 U CN211737624 U CN 211737624U
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Abstract
The utility model discloses a valve group special for lifting platform control, which comprises a rectangular valve body, wherein a throttle valve is arranged on the top surface of the rectangular valve body; an oil cylinder interface is arranged on the front side face of the valve body of the rectangular body; the rear side surface of the valve body of the rectangular body is provided with an oil source opening and an oil return opening; a check valve is arranged on the left side face of the valve body of the rectangular body; and an electromagnetic directional valve is arranged on the right side surface of the valve body of the rectangular body. The utility model is used for control lift platform rise and descend, have the function of control pressure and speed through adopting overflow valve and choke valve, can rise to rise and descend the in-process, realize the load retention function, ensure platform safety, mild decline.
Description
Technical Field
The utility model relates to a technical field of valves especially relates to a special valves of lift platform control.
Background
The lifting platform in the prior art cannot control the pressure and speed during lifting and descending, and cannot realize the load maintaining function during lifting and descending, so that the lifting platform cannot be safely and slowly descended during lifting and descending.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can control lifting platform's rising and descending, and have the special valves of lifting platform control of the function of control pressure and speed.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a valve group special for controlling a lifting platform is characterized by comprising a rectangular valve body, wherein a throttle valve is arranged on the top surface of the rectangular valve body; an oil cylinder interface is arranged on the front side face of the valve body of the rectangular body; the rear side surface of the valve body of the rectangular body is provided with an oil source opening and an oil return opening; a check valve is arranged on the left side face of the valve body of the rectangular body; the right side surface of the valve body of the rectangular body is provided with an electromagnetic directional valve;
the electromagnetic directional valve comprises a working end I and a working end II; the one-way valve comprises an oil inlet and an oil outlet; the throttle valve comprises a first adjusting opening and a second adjusting opening;
an outlet end of the oil source port is connected with an oil inlet of a one-way valve, and an oil outlet of the one-way valve is connected with an oil cylinder port; the first adjusting port of the throttle valve is connected with an oil outlet of the one-way valve; the second adjusting port of the throttle valve is connected with the first working end of the electromagnetic reversing valve; and the second working end of the electromagnetic directional valve is connected with an oil return port.
Preferably, the top surface of the valve body of the rectangular body is also provided with an overflow valve; the overflow valve comprises an inlet and an outlet; and the inlet of the overflow valve is connected with the other outlet end of the oil source port, and the outlet of the overflow valve is connected with the oil return port.
Preferably, the right side surface of the valve body of the rectangular body is also provided with a pressure measuring port; and the other outlet end of the oil source port is connected with a pressure measuring port.
Preferably, the oil cylinder connector is connected with the oil cylinder through a rubber pipe.
Preferably, the electromagnetic directional valve, the one-way valve, the overflow valve and the throttle valve are all valve seats made of alloy steel.
Preferably, the electromagnetic directional valve, the one-way valve, the overflow valve and the throttle valve are of floating structures, so that the interference caused by installation torque and hole type machining errors can be reduced.
The utility model is used for control lift platform rise and descend, have the function of control pressure and speed through adopting overflow valve and choke valve, can rise to rise and descend the in-process, realize the load retention function, ensure platform safety, mild decline.
Drawings
Fig. 1 is a schematic view of a partial structure of a rectangular body of a valve bank dedicated for controlling a lifting platform according to the present invention;
fig. 2 is a schematic structural view of an electromagnetic directional valve in a valve bank dedicated for controlling a lifting platform according to the present invention;
fig. 3 is a schematic structural view of a check valve in a valve bank dedicated for controlling a lifting platform according to the present invention;
fig. 4 is a schematic structural view of an overflow valve in a valve bank dedicated for controlling a lifting platform according to the present invention;
fig. 5 is a schematic structural view of a throttle valve in a valve bank dedicated for controlling a lifting platform according to the present invention;
fig. 6 is a working schematic diagram in an embodiment of the valve bank dedicated to control of the lifting platform of the present invention.
Reference numbers in the figures:
1. a valve body; 2. an electromagnetic directional valve; 2-1, a first working end; 2-2, a second working end; 3. a one-way valve; 3-1, an oil inlet; 3-2, oil outlet; 4. an overflow valve; 4-1, an inlet; 4-2, an outlet; 5. a throttle valve; 5-1, regulating the first port; 5-2, adjusting the second opening; 6. a cylinder interface; 7. an oil source port; 8. a pressure measuring port; 9. and an oil return port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
As shown in fig. 1 to 5, the valve set special for controlling a lifting platform provided by the present invention is characterized in that it comprises a rectangular valve body 1, and a throttle valve 5 and an overflow valve 4 are arranged on the top surface of the rectangular valve body 1; an oil cylinder interface 6 is arranged on the front side surface of the valve body 1 of the rectangular body; the rear side surface of the valve body 1 of the rectangular body is provided with an oil source opening 7 and an oil return opening 9; the left side surface of the valve body 1 of the rectangular body is provided with a one-way valve 3 and a pressure measuring port 8; the right side surface of the valve body 1 of the rectangular body is provided with an electromagnetic directional valve 2;
the electromagnetic directional valve 2 comprises a first working end 2-1 and a second working end 2-2; the one-way valve 3 comprises an oil inlet 3-1 and an oil outlet 3-2; the throttle valve 5 comprises a first adjusting opening 5-1 and a second adjusting opening 5-2; the overflow valve 4 comprises an inlet 4-1 and an outlet 4-2;
an outlet end of the oil source port 7 is connected with an oil inlet 3-1 of the check valve 3, and an oil outlet 3-2 of the check valve 3 is connected with an oil cylinder interface 6; an adjusting port I5-1 of the throttle valve 5 is connected with an oil outlet 3-2 of the one-way valve 3; a second adjusting port 5-2 of the throttle valve 5 is connected with a first working end 2-1 of the electromagnetic directional valve 2; the second working end 2-2 of the electromagnetic directional valve 2 is connected with an oil return port 9; an inlet 4-1 of the overflow valve 4 is connected with the other outlet end of the oil source port 7, and an outlet 4-2 of the overflow valve 4 is connected with an oil return port 9; the other outlet end of the oil source port 7 is connected with a pressure measuring port 8.
Further, the oil cylinder connector 6 is connected with an oil cylinder through a rubber pipe.
Further, the electromagnetic directional valve 2, the one-way valve 3, the overflow valve 4 and the throttle valve 5 are all made of alloy steel valve seats; the electromagnetic directional valve 2, the one-way valve 3, the overflow valve 4 and the throttle valve 5 are of floating structures, so that the interference caused by installation torque and hole type machining errors can be reduced.
As shown in fig. 6, the working principle of the present invention is as follows:
lifting the lifting platform: hydraulic oil enters from the oil source port 7 through the oil inlet 3-1 of the one-way valve 3 and freely flows into the oil cylinder port 6 from the oil outlet 3-2 of the one-way valve 3 to the large cavity of the lifting oil cylinder, so that the platform is lifted, and the pressure can be adjusted in the process to ensure the normal work of the lifting platform.
Descending state of the lifting platform: because the platform is a single-action lifting oil cylinder, when the platform descends, when the two-position two-way electromagnetic directional valve 2 is electrified, oil is pressed out from the oil cylinder interface 5 by the dead weight, flows to the working end I2-1 of the two-position two-way electromagnetic directional valve 2 through the regulating port I5-1 and the regulating port II 5-2 of the throttle valve 5, and smoothly returns oil after flowing into the oil return port 9 through the working end II 2-2 of the electromagnetic directional valve, so that the platform descends, the descending speed of the agent can be regulated according to actual requirements, and the platform is ensured to descend safely and gently.
The utility model is used for control lift platform rise and descend, have the function of control pressure and speed through adopting overflow valve and choke valve, can rise to rise and descend the in-process, realize the load retention function, ensure platform safety, mild decline.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The special valve group for controlling the lifting platform is characterized by comprising a rectangular valve body (1), wherein a throttle valve (5) is arranged on the top surface of the rectangular valve body (1); an oil cylinder interface (6) is arranged on the front side surface of the valve body (1) of the rectangular body; an oil source opening (7) and an oil return opening (9) are formed in the rear side face of the valve body (1) of the rectangular body; a check valve (3) is arranged on the left side surface of the valve body (1) of the rectangular body; the right side surface of the valve body (1) of the rectangular body is provided with an electromagnetic directional valve (2);
the electromagnetic directional valve (2) comprises a first working end (2-1) and a second working end (2-2); the one-way valve (3) comprises an oil inlet (3-1) and an oil outlet (3-2); the throttle valve (5) comprises a first adjusting opening (5-1) and a second adjusting opening (5-2);
an outlet end of the oil source port (7) is connected with an oil inlet (3-1) of the one-way valve (3), and an oil outlet (3-2) of the one-way valve (3) is connected with an oil cylinder interface (6); an adjusting port I (5-1) of the throttle valve (5) is connected with an oil outlet (3-2) of the one-way valve (3); a second adjusting port (5-2) of the throttle valve (5) is connected with a first working end (2-1) of the electromagnetic directional valve (2); and the second working end (2-2) of the electromagnetic directional valve (2) is connected with an oil return port (9).
2. The valve group special for controlling the lifting platform according to claim 1, wherein the top surface of the valve body (1) of the rectangular body is further provided with an overflow valve (4); the overflow valve (4) comprises an inlet (4-1) and an outlet (4-2); an inlet (4-1) of the overflow valve (4) is connected with the other outlet end of the oil source port (7), and an outlet (4-2) of the overflow valve (4) is connected with the oil return port (9).
3. The valve group special for controlling the lifting platform as claimed in claim 1, wherein the right side surface of the valve body (1) of the rectangular body is further provided with a pressure measuring port (8); and the other outlet end of the oil source port (7) is connected with a pressure measuring port (8).
4. Valve group special for control of lifting platforms according to claim 1, characterized by the fact that the cylinder interface (6) is connected to the cylinder by means of rubber hose.
5. The valve group special for lifting platform control according to claim 1, wherein the electromagnetic directional valve (2), the one-way valve (3), the overflow valve (4) and the throttle valve (5) are all made of alloy steel valve seats.
6. The valve group special for controlling the lifting platform according to claim 1, wherein the electromagnetic directional valve (2), the check valve (3), the overflow valve (4) and the throttle valve (5) are all of floating structures, so that interference caused by installation torque and hole type machining errors can be reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020329031.2U CN211737624U (en) | 2020-03-17 | 2020-03-17 | Valve group special for controlling lifting platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020329031.2U CN211737624U (en) | 2020-03-17 | 2020-03-17 | Valve group special for controlling lifting platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211737624U true CN211737624U (en) | 2020-10-23 |
Family
ID=72853002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020329031.2U Active CN211737624U (en) | 2020-03-17 | 2020-03-17 | Valve group special for controlling lifting platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211737624U (en) |
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2020
- 2020-03-17 CN CN202020329031.2U patent/CN211737624U/en active Active
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