Guide frame for four-way reversing valve

Patent metadata

Field	Value
Publication number	US-12104708-B2
Application number	US-202318123923-A
Country	US
Kind code	B2
Filing date	Mar 20, 2023
Priority date	Sep 25, 2020
Publication date	Oct 1, 2024
Grant date	Oct 1, 2024

Abstract

A guide frame for a four-way reversing valve includes a frame body. Both ends of the frame body include a connecting portion, respectively. The connecting portion includes a first bending member and a second bending member, and the directions of bending of the first bending member and of the second bending member are opposite. The connecting portion includes a reinforcing member. The reinforcing member includes a first reinforcing plate and a second reinforcing plate. The first reinforcing plate is connected to the inner side of the first bending member by welding and the second reinforcing plate is connected to the inner side of the second bending member by welding. The connection strength of the connecting portion is increased, such that the guide frame is less likely to deform or break.

First claim

What is claimed is:

1. A guide frame for a four-way reversing valve, comprising a plate-shaped frame body configured for disposing a sliding block assembly of the four-way reversing valve, both ends of the frame body are provided with a connecting portion configured for connecting a piston assembly of the four-way reversing valve, respectively, the connecting portion comprises a first bending member and a second bending member, and directions of bending of the first bending member and of the second bending member are opposite and located in a plane perpendicular to the frame body,
wherein the connecting portion is provided with a reinforcing member comprising a first reinforcing plate and a second reinforcing plate disposed separately,
the first reinforcing plate is connected to a bending part of an inner side of the first bending member by welding, and at least three welding spots are defined between the first reinforcing plate and the first bending member, and the second reinforcing plate is connected to a bending part of an inner side of the second bending member by welding, and at least three welding spots are defined between the second reinforcing plate and the second bending member, and,
a plurality of welding locating holes are defined between the first reinforcing plate and the first bending member and the second reinforcing plate and the second bending member, the first reinforcing plate is connected to the first bending member by welding at the plurality of welding locating holes, and the second reinforcing plate is connected to the second bending member by welding at the plurality of welding locating holes.

2. The guide frame for the four-way reversing valve of claim 1 , wherein the first reinforcing plate and the second reinforcing plate are in a bent structure, the first reinforcing plate comprises a first bending plate and a second bending plate, and the second reinforcing plate comprises a third bending plate and a fourth bending plate,
the first bending plate fits with the first bending member, the second bending plate fits with the frame body of the guide frame, the third bending plate fits with the second bending member, and the fourth bending plate fits with the frame body of the guide frame.

3. The guide frame for the four-way reversing valve of claim 1 , wherein a middle part of the first bending member is provided with a first connecting hole, a middle part of the second bending member is provided with a second connecting hole, and the piston assembly is connected to the first connecting hole and the second connecting hole by screw fastening.

4. The guide frame for the four-way reversing valve of claim 3 , wherein a first mounting hole is provided at a position on the first reinforcing plate corresponding to the first connecting hole of the first bending member, the first mounting hole is provided with a first internal thread, and the first internal thread of the first mounting hole is in accordance with a threaded hole of the first connecting hole; and
a second mounting hole is provided at a position on the second reinforcing plate corresponding to the second connecting hole of the second bending member, the second mounting hole is provided with a second internal thread, and the second internal thread of the second mounting hole is in accordance with a threaded hole of the second connecting hole.

5. The guide frame for the four-way reversing valve of claim 1 , wherein
the first reinforcing plate is fixed to the first bending member by electric resistance welding, and the second reinforcing plate is fixed to the second bending member by electric resistance welding.

6. The guide frame for the four-way reversing valve of claim 2 , wherein one welding spot is defined between the first bending plate and the first bending member, and at least two welding spots are defined between the second bending plate and the frame body of the guide frame; one welding spot is defined between the third plate and the second member, and at least two welding spots are defined between the fourth bending plate and the frame body of the guide frame.

7. The guide frame for the four-way reversing valve of claim 1 , wherein a thickness of the reinforcing member is in a range of 1 millimeter to 3.5 millimeters.

8. The guide frame for the four-way reversing valve of claim 1 , wherein a sliding block groove and a through hole are disposed at a middle part of the frame body, and the through hole is located near the sliding block groove.

9. The guide frame for the four-way reversing valve of claim 1 , wherein abutting members are correspondingly disposed at both sides of the frame body.

10. A four-way reversing valve, comprising a valve body, a piston assembly, a sliding block assembly and a guide frame, wherein the sliding block assembly and the guide frame are disposed inside the valve body, the guide frame is configured for mounting the sliding block assembly and guiding the sliding block assembly to move along the guide frame,
wherein the guide frame comprises a plate-shaped frame body configured for disposing a sliding block assembly of the four-way reversing valve, both ends of the frame body are provided with a connecting portion configured for connecting a piston assembly of the four-way reversing valve, respectively, the connecting portion comprises a first bending member and a second bending member, and directions of bending of the first bending member and of the second bending member are opposite and located in a plane perpendicular to the frame body,
wherein the connecting portion is provided with a reinforcing member comprising a first reinforcing plate and a second reinforcing plate disposed separately,
the first reinforcing plate is connected to a bending part of an inner side of the first bending member by welding, and at least three welding spots are defined between the first reinforcing plate and the first bending member, and the second reinforcing plate is connected to a bending part of an inner side of the second bending member by welding, and at least three welding spots are defined between the second reinforcing plate and the second bending member and,
a plurality of welding locating holes are defined between the first reinforcing plate and the first bending member and the second reinforcing plate and the second bending member, the first reinforcing plate is connected to the first bending member by welding at the plurality of welding locating holes, and the second reinforcing plate is connected to the second bending member by welding at the plurality of welding locating holes.

11. The four way reversing valve of claim 10 , wherein the first reinforcing plate and the second reinforcing plate are in a bent structure, the first reinforcing plate comprises a first bending plate and a second bending plate, and the second reinforcing plate comprises a third bending plate and a fourth bending plate,
the first bending plate fits with the first bending member, the second bending plate fits with the frame body of the guide frame, the third bending plate fits with the second bending member, and the fourth bending plate fits with the frame body of the guide frame.

12. The four way reversing valve of claim 10 , wherein a middle part of the first bending member is provided with a first connecting hole, a middle part of the second bending member is provided with a second connecting hole, and the piston assembly is connected to the first connecting hole and the second connecting hole by screw fastening.

13. The four way reversing valve of claim 12 , wherein a first mounting hole is provided at a position on the first reinforcing plate corresponding to the first conne

Assignees

• Zhejiang Dunan Artificial Env Co Ltd

Inventors

• Zhang Fei
• Xuan Qijie
• Sun Junjie

Classifications

• Y10T137/86839

  Four port reversing valves · CPC title

• F16K11/0655 Primary

  with flat slides · CPC title

• F16K51/00 Primary

  Other details not peculiar to particular types of valves or cut-off apparatus · CPC title

• F25B41/20

  Disposition of valves, e.g. of on-off valves or flow control valves (expansion valves F25B41/31) · CPC title

• F16K27/105

  for gate valves · CPC title