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High-flow change valve

A reversing valve, large flow technology, applied in the field of reversing valves, can solve the problems of inconvenient installation, affecting the flow of the reversing valve, and restricting the flow of the reversing valve, and achieves the effect of saving space, convenient disassembly and good sealing.

Inactive Publication Date: 2007-09-26
费斯托气动有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. Affect the flow rate of the reversing valve
Since the screw hole 10 runs through the valve body, the further expansion of the flow channel 11 is restricted, and the flow rate of the reversing valve is limited.
[0004] 2. Tools (screwdriver) must be used during the installation process, the installation is not convenient enough, and tool-free installation cannot be realized

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The specific structure of this embodiment 1 is shown in Figure 2-7.

[0027] The high-flow reversing valve of the present invention includes a valve body 1, a valve plate 2 and a manifold plate 3. The valve plate 2 is fixed on the lower end surface of the valve body 1 by a screw 5 that does not penetrate the valve body. Plate 2 is sealed with a gasket. The lower end surface of the valve plate 2 has wedge-shaped valve plate connectors 4 on both sides, and the size of the front end of the valve plate connector 4 is slightly smaller than the size of the rear end. The upper end surface of the manifold 3 has wedge-shaped manifold insertion grooves 7 on both sides, and a sealing ring 8 is installed on the through hole on the manifold 3 . The valve plate connector 4 can be inserted into the assembly plate insertion groove 7, so that the valve body 1 and the assembly plate 3 are integrated.

[0028] When using in combination, fix the valve plate 2 and the valve body 1 with sc...

Embodiment 2

[0031] The structure of this embodiment 2 is shown in Figures 8-11.

[0032] The two wedge-shaped ends of the valve plate connector 4 have separation grooves 6, and the two wedge-shaped ends of the manifold insertion groove 7 also have bosses 9, and the width of the bosses 9 is slightly smaller than the width of the separation groove 6. Other structures are basically the same as in Embodiment 1.

[0033] In the reversing valve of Embodiment 2, the wedge-shaped surface on the valve plate connector 4 is not continuous, and there is a separation groove 6 in the middle to separate the inclined surface. When the valve plate is disassembled from the manifold, it is not necessary to extract all the valve plates from the manifold, and it only needs to move a small distance before it can be taken out from the top of the separation tank 6 .

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Abstract

This invention relates to a large flow reversal valve, which contains valve body and integrated board, said valve body having valve board with wedge shape valve board insertion piece, the upper end face of integrated board wedge shape integrated board insertion slot which and valve board insertion piece combining integrally. Said invention saves space duo to no through screw used and raises flow, and has convenient installation and dismounting with fine tightness.

Description

(1) Technical field [0001] The invention relates to a reversing valve, in particular to a reversing valve with large flow. (2) Background technology [0002] The reversing valve is developing towards a more compact structure and a larger flow rate. In terms of installation and use, it can not only be used alone, but also can be used together. The general reversing valve uses screws to fix the single valve on the manifold valve plate, and the screw hole used to accommodate the screw runs through the valve body, as shown in Figure 1. There are two problems in this structure: [0003] 1. Affect the flow rate of the reversing valve. Since the screw hole 10 runs through the valve body, the further expansion of the flow channel 11 is limited, and the flow rate of the reversing valve is limited. [0004] 2. Tools (screwdriver) must be used during the installation process. The installation is not convenient enough to achieve tool-free installation. (3) Contents of the invention...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K11/00F15B13/02
Inventor 栾微之黄振禧董伟
Owner 费斯托气动有限公司