CN215566973U - Reversing valve - Google Patents
Reversing valve Download PDFInfo
- Publication number
- CN215566973U CN215566973U CN202121246085.3U CN202121246085U CN215566973U CN 215566973 U CN215566973 U CN 215566973U CN 202121246085 U CN202121246085 U CN 202121246085U CN 215566973 U CN215566973 U CN 215566973U
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- gasket assembly
- communicating
- communicating part
- reversing valve
- sealing gasket
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Abstract
The utility model discloses a reversing valve, and belongs to the technical field of automation equipment. The sealing gasket assembly is positioned in the cavity, the cavity is hollow, and the surface of the cavity is provided with a first communicating part, a second communicating part and a third communicating part; when the sealing gasket assembly moves to the first position, the first communicating part is communicated with the second communicating part in an air pressure mode; when the sealing gasket assembly moves to the second position, the first communicating part is communicated with the third communicating part in an air pressure mode; the first communicating part is connected with the output end of the negative pressure device, the second communicating part is connected with the suction part, and the third communicating device is communicated with the outside air; the negative pressure device and the suction part are connected through the reversing valve, so that the working efficiency is effectively improved, and the negative pressure device is prevented from being damaged due to the fact that the negative pressure device is in a negative pressure state for a long time.
Description
Technical Field
The utility model relates to the technical field of automation equipment, in particular to a reversing valve.
Background
In an automatic production line, when an automatic device grabs a part, a negative pressure adsorption grabbing mode is usually adopted, and in the prior art, a negative pressure device is mostly adopted to be directly connected with a suction part such as a vacuum chuck or a surface chuck or an indirect mode such as a straight-through valve. When the negative pressure device is directly connected with the suction part, the negative pressure device is usually required to be continuously switched on and off, so that the efficiency is low; when the negative pressure device is indirectly connected with the suction part through the straight-through valve, the negative pressure device is continuously in a negative pressure state after the straight-through valve is closed, so that the service life of the negative pressure device is influenced, and even the negative pressure device is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a reversing valve to solve the technical problems.
In order to achieve the technical purpose, the technical scheme of the embodiment of the utility model is as follows:
a reversing valve, comprising:
the sealing gasket assembly is positioned in the cavity, the cavity is hollow, and a first communicating part, a second communicating part and a third communicating part are formed in the surface of the cavity;
when the sealing gasket assembly moves to a first position, the first communicating part is communicated with the second communicating part in an air pressure mode;
when the sealing gasket assembly moves to the second position, the first communicating portion is communicated with the third communicating portion in an air pressure mode.
Further, when the gasket assembly moves to the first position, the gasket assembly seals the third communicating portion.
Further, when the gasket assembly is moved to the second position, the gasket assembly seals the second communication portion.
Furthermore, the reversing valve also comprises a driving source, and the driving end of the driving source and the sealing gasket group
The member is coupled to drive the gasket assembly to move to the first position or the second position.
Furthermore, the driving source is arranged outside the cavity, and the driving end of the driving source is connected with the sealing gasket assembly through the third communicating part.
Further, the sealing gasket assembly comprises an installation plate and gaskets, the installation plate is fixed at the driving end of the driving source, and the gaskets are respectively arranged on two sides of the installation plate facing the second communicating part and the third communicating part.
Further, the projection of the gasket assembly in the driving direction of the driving source may cover the second communicating portion and the third communicating portion.
A vacuum adsorption system comprises the reversing valve.
Further, the vacuum adsorption system further comprises a negative pressure device and a suction portion, an output end of the negative pressure device is connected with the first communicating portion, the suction portion is connected with the second communicating portion, and the third communicating portion is communicated with the air pressure of the outside air.
Compared with the prior art, the utility model has the advantages that:
1. the negative pressure device and the suction part are connected through the reversing valve, so that the negative pressure device can be continuously opened, and the working efficiency is effectively improved;
2. the arrangement of the third communicating part enables the negative pressure device to be connected with external air pressure when the suction part is disconnected, and the negative pressure device is prevented from being damaged by a continuous negative pressure state.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of a reversing valve in an embodiment of the utility model.
Fig. 2 is a schematic structural diagram of a gasket assembly according to an embodiment of the utility model.
Fig. 3 is a schematic sectional view of a reversing valve according to an embodiment of the present invention.
Wherein the reference numerals are as follows:
1-a cavity; 2-a gasket assembly; 21-mounting a plate; 22-a gasket; 3-a first communication; 4-a second communication; 5-a third communication part; 6-driving source.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
Referring to fig. 1 to 2, a reversing valve is characterized in that: the method comprises the following steps:
the sealing gasket assembly comprises a cavity 1 and a sealing gasket assembly 2 positioned in the cavity 1, wherein the cavity 1 is hollow, and a first communicating part 3, a second communicating part 4 and a third communicating part 5 are formed in the surface of the cavity 1;
when the sealing gasket assembly 2 moves to the first position, the first communicating part 3 is communicated with the second communicating part 4 in an air pressure mode;
when the gasket assembly 2 moves to the second position, the first communicating portion 3 communicates with the third communicating portion 5 in pneumatic pressure.
Further, the first communicating part 3 is connected with an output end of the negative pressure device, the second communicating part 4 is connected with the suction part to realize air pressure communication of the negative pressure device and the suction part, and the third communicating part is communicated with external air pressure.
The sealing gasket assembly 2 is switched between the first position and the second position, so that the negative pressure device can be continuously opened in the automatic production process, the working efficiency is effectively improved, and the negative pressure device is prevented from being damaged due to the fact that the negative pressure device is in a negative pressure state for a long time.
Further, when the gasket assembly 2 is moved to the first position, the gasket assembly 2 seals the third communicating portion 5.
Further, when the seal 2 is moved to the second position, the seal assembly 2 will move
The second communicating part 4 is sealed so as to realize that the negative pressure device can be communicated with the air pressure of the outside air when the negative pressure device is disconnected from the air pressure communication of the suction part, thereby avoiding the damage of the negative pressure device caused by a long-time negative pressure state.
Further, the reversing valve further comprises a driving source 6, the driving source 6 is arranged in the cavity 1, and a driving end of the driving source 6 is connected with the sealing gasket assembly 2 to drive the sealing gasket assembly 2 to move to the first position or the second position. Preferably, the driving source is a cylinder.
Further, the driving source 6 is disposed outside the cavity 1, and a driving end of the driving source 6 is connected to the gasket assembly 2 through the third communicating portion 5. The driving source 6 is arranged outside the cavity 1 to reduce the size of the cavity 1 and enhance the suction force of the suction part.
Preferably, the third communicating portion 5 is provided on the other side of the chamber 1 side where the second communicating portion 4 is located, and the third communicating portion 5 and the second communicating portion 4 are on the same straight line. The driving source 6 is fixed outside the cavity 1 through a connecting piece, the driving end of the driving source 6 is opposite to the third communicating part 5, and the driving direction of the driving source 6 is the same as the linear direction of the third communicating part 5 and the second communicating part 4.
As further shown in fig. 2, the sealing gasket assembly 2 includes a mounting plate 21 and a gasket 22, and the gasket 22 is disposed on two sides of the mounting plate 21. The mounting plate 21 is connected the drive end of driving source 6, is located on the mounting plate 21 be close to the gasket 22 of driving source 6 one side can the cover be located the drive end of driving source 6 and then with the mounting plate 21 is connected, the mounting plate 21 with the projection of gasket 22 on the driving source 6 drive direction can cover completely third intercommunication 5 with second intercommunication 4 to the realization is when the driving source 6 drive sealing gasket subassembly 2 to can with the third intercommunication 5 or the second intercommunication 4 covers sealedly when the first position or the second position.
The sealing gasket assembly 2 is driven by a driving source 6 to cover and seal the third communicating part 5 or the second communicating part 4, and the control of the suction part by the negative pressure device is indirectly realized.
It should be emphasized that, although particular embodiments of the present invention have been shown and described, it is not intended to limit the utility model in any way, and any simple modification, equivalent change or modification of the above embodiments, which are made in accordance with the technical essence of the present invention, still fall within the scope of the technical solution of the present invention.
Claims (9)
1. A reversing valve, characterized in that: the method comprises the following steps:
the sealing gasket assembly is positioned in the cavity, the cavity is hollow, and a first communicating part, a second communicating part and a third communicating part are formed in the surface of the cavity;
when the sealing gasket assembly moves to a first position, the first communicating part is communicated with the second communicating part in an air pressure mode;
when the sealing gasket assembly moves to the second position, the first communicating portion is communicated with the third communicating portion in an air pressure mode.
2. A reversing valve according to claim 1, wherein:
when the gasket assembly moves to the first position, the gasket assembly seals the third communication portion.
3. A reversing valve according to claim 1, wherein:
when the gasket assembly moves to a second position, the gasket assembly seals the second communication portion.
4. A reversing valve according to claim 1, wherein: the reversing valve further comprises a driving source, and the driving end of the driving source is connected with the sealing gasket assembly to drive the sealing gasket assembly to move to the first position or the second position.
5. A reversing valve according to claim 4, wherein: the driving source is arranged outside the cavity, and the driving end of the driving source is connected with the sealing gasket assembly through the third communicating part.
6. A reversing valve according to claim 1, wherein: the sealing gasket assembly comprises an installation plate and gaskets, the installation plate is fixed at the driving end of the driving source, and the gaskets are arranged on the two sides of the installation plate facing the second communicating portion and the third communicating portion respectively.
7. A reversing valve according to claim 6, wherein: the projection of the sealing gasket assembly in the driving direction of the driving source can cover the second communicating portion and the third communicating portion.
8. A vacuum adsorption system characterized by: comprising a diverter valve according to any one of claims 1 to 7.
9. The vacuum adsorption system of claim 8, wherein: the vacuum adsorption system further comprises a negative pressure device and an absorbing part, wherein the output end of the negative pressure device is connected with the first communicating part, the absorbing part is connected with the second communicating part, and the third communicating part is communicated with the air pressure of the outside air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121246085.3U CN215566973U (en) | 2021-06-04 | 2021-06-04 | Reversing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121246085.3U CN215566973U (en) | 2021-06-04 | 2021-06-04 | Reversing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215566973U true CN215566973U (en) | 2022-01-18 |
Family
ID=79866296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121246085.3U Active CN215566973U (en) | 2021-06-04 | 2021-06-04 | Reversing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215566973U (en) |
-
2021
- 2021-06-04 CN CN202121246085.3U patent/CN215566973U/en active Active
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