CN219263258U - Main valve seat of four-way valve - Google Patents
Main valve seat of four-way valve Download PDFInfo
- Publication number
- CN219263258U CN219263258U CN202320242362.6U CN202320242362U CN219263258U CN 219263258 U CN219263258 U CN 219263258U CN 202320242362 U CN202320242362 U CN 202320242362U CN 219263258 U CN219263258 U CN 219263258U
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- curved surface
- main valve
- arc
- welding
- seat
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- 238000003466 welding Methods 0.000 claims abstract description 50
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 230000004907 flux Effects 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 6
- 238000010030 laminating Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a cross valve main valve body disk seat, includes long banding disk seat, and the laminating face of disk seat is arc curved surface, and the disk seat deviates from the one side of laminating face and is smooth plane, is provided with three respectively and runs through arc curved surface and smooth planar through-hole on the axis direction of disk seat, and the radius of arc curved surface is greater than the radius of main valve body inner wall, and two straight flange edges of arc curved surface are provided with the slot respectively. The radius of the arc-shaped curved surface of the valve seat of the main valve pipe is larger than the radius of the inner wall of the main valve pipe, and the design of the fine grooves at the two straight edges of the arc-shaped curved surface is matched, so that firm welding between the base and the welding cannula and the main valve pipe can be realized, the situation that redundant welding flux enters the smooth plane of the base can be effectively reduced or avoided, the damage condition of a cutter in a post procedure can be effectively reduced, the smoothness of the smooth plane is ensured, the leakage caused by unevenness is reduced, and the like, and the valve has outstanding practicability.
Description
Technical Field
The utility model relates to a valve seat of a main valve pipe of a four-way valve, and belongs to the technical field of electromagnetic four-way valve accessories.
Background
In air conditioner, compressor, refrigerator and heat pump water heater, a four-way reversing valve is usually installed to control the flow direction of refrigerant, so as to realize the cold and hot reversing function. The electromagnetic four-way reversing valve mainly comprises a main valve component and a pilot valve component, and when the electromagnetic four-way reversing valve is used, the main valve component controls the movement of an internal valve body through the pilot valve component so as to control the flow direction of a refrigerant.
Current chinese utility model patent application "application publication No.: CN115217994a; application publication date: 2022, 10, 21; name: the stainless steel four-way valve and the welding method are used for solving the problems that when a valve seat in a main valve pipe is welded, welding flux easily flows to the plane of the main valve seat, a cutter is easy to damage and a sealing plane is uneven to cause leakage when scraps are pulled in a later procedure, fine grooves for collecting welding flux are respectively arranged at the two straight edges of an arc-shaped curved surface of a valve seat so as to prevent the welding flux from overflowing to the plane of the main valve seat, the design of the stainless steel four-way valve still has defects, the radius of the arc-shaped curved surface above the fine grooves is equal to the radius of the inner wall of the main valve pipe, the arc-shaped curved surface closely attached to the inner wall of the main valve pipe can block the welding flux from flowing to the fine grooves to a certain extent in the welding process, the design purpose of the fine grooves is difficult to achieve a better effect, and the blocking of the welding flux from flowing to the plane of the main valve seat is difficult to be thoroughly realized.
Disclosure of Invention
The utility model aims at solving the defects of the prior art, and provides a novel four-way valve main valve seat, wherein the radius of an arc-shaped curved surface of the main valve seat is larger than the radius of the inner wall of the main valve, and the design of fine grooves at two straight edges of the arc-shaped curved surface is matched, so that the base, a welding cannula and the main valve can be firmly welded, the situation that excessive welding flux enters a smooth plane of the base can be effectively reduced or avoided, the damage condition of a cutter in a later working procedure can be effectively reduced, the smoothness of the smooth plane is ensured, the leakage caused by unevenness is reduced, and the like.
The technical aim of the utility model is realized by the following technical scheme:
the utility model provides a cross valve main valve body disk seat, includes long banding disk seat, and the laminating face of disk seat is arc curved surface, and the disk seat deviates from the one side of laminating face and is smooth plane, is provided with three respectively and runs through arc curved surface and smooth planar through-hole on the axis direction of disk seat, and the radius of arc curved surface is greater than the radius of main valve body inner wall, and two straight flange edges of arc curved surface are provided with the slot respectively.
By adopting the technical scheme, the valve seat of the main valve tube of the four-way valve is provided. The radius of the arc curved surface of the valve seat of the main valve pipe is larger than that of the inner wall of the main valve pipe, fine grooves are formed in the two straight edges of the arc curved surface, gaps are reserved between the fine grooves and the arc curved surface above the fine grooves and the inner wall of the main valve pipe, during welding, welding flux outside overflow through holes is filled in gaps between the arc curved surface and the inner wall of the main valve pipe (and welding flux near three through holes can flow mutually until full), and redundant welding flux can be contained in the fine grooves.
The utility model is further provided with: the inner wall of the through hole is provided with an annular baffle table, and the section of the through hole, which is close to the arc-shaped curved surface, of the annular baffle table is a conical hole with a large outer opening edge and a small inner end.
The utility model is further provided with: the caliber of the outer edge of the conical hole is larger than that of the corresponding side hole of the main valve pipe.
Through adopting above-mentioned technical scheme, establish the annular fender platform and be close to this section through-hole of arc curved surface into the bell mouth to the bore that the bore of outer mouth edge of bell mouth was established is big than the aperture of main valve pipe side opening, can effectively solve the burr of main valve pipe side opening internal orifice department and turn over, leads to welding intubate be difficult to male condition, can effectively improve production efficiency and welding quality.
The utility model is further provided with: the inner diameter of the annular baffle is smaller than the outer diameter of the insertion end of the welding cannula.
Through adopting above-mentioned technical scheme, with the external diameter that is less than the welding intubate insertion end of annular fender platform's internal diameter design, can effectively avoid the solder to follow annular fender platform hole and flow into the condition in the main valve pipe.
The utility model is further provided with: the two end faces of the valve seat are inclined planes inclined to the top end of the arc-shaped curved surface.
Through adopting above-mentioned technical scheme, design into the inclined plane to arc curved surface top slope with the both ends face of disk seat, this design has realized the lightweight design of disk seat on the one hand, on the other hand, has prolonged the distance between arc curved surface top to the smooth plane, can also slow down the solder overflow to the possibility of smooth plane department to a certain extent.
The utility model has the main beneficial effects that:
1. the radius of the arc-shaped curved surface of the valve seat of the main valve pipe is larger than the radius of the inner wall of the main valve pipe, and the design of the fine grooves at the two straight edges of the arc-shaped curved surface is matched, so that firm welding between the base and the welding insertion pipe and the main valve pipe can be realized, the situation that excessive welding flux enters a smooth plane of the base can be effectively reduced or avoided, the situation that a cutter is damaged in a later procedure can be effectively reduced, the smoothness of the smooth plane is ensured, and the problems of leakage and the like caused by unevenness are reduced;
2. the annular baffle table is close to the section of the through hole of the arc-shaped curved surface to form a conical hole, and the aperture of the outer edge of the conical hole is larger than the aperture of the side hole of the main valve pipe, so that the problem that burrs at the inner hole opening of the side hole of the main valve pipe are turned inwards to cause difficult insertion of a welding cannula can be effectively solved, and the production efficiency and the welding quality can be effectively improved;
3. the inner diameter of the annular baffle table is designed to be smaller than the outer diameter of the insertion end of the welding insertion pipe, so that the condition that welding flux flows into the main valve pipe from the inner hole of the annular baffle table can be effectively avoided;
4. this novel main valve pipe disk seat designs into the inclined plane to arc curved surface top slope with the both ends face of disk seat, and the lightweight design of disk seat has been realized on the one hand to this design, and on the other hand has prolonged the distance between arc curved surface top to the smooth plane, still can slow down the solder overflow to a certain extent to smooth plane department's possibility.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic illustration of the present utility model installed in a main valve tube;
fig. 3 is a schematic structural view of the four-way valve.
In the figure, 1, a valve seat; 11. an arc-shaped curved surface; 12. a smooth plane; 13. a slot; 14. a through hole; 141. a tapered bore; 15. an annular baffle; 16. an inclined plane; 2. a main valve tube; 21. a side hole; 3. welding the cannula; 4. and (5) welding a ring.
Detailed Description
The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
Embodiment one:
as shown in fig. 1 to 3, a valve seat of a main valve tube of a four-way valve comprises a strip-shaped valve seat 1, wherein an attaching surface of the valve seat 1 is an arc-shaped curved surface 11, one surface of the valve seat 1 deviating from the attaching surface is a smooth plane 12, three through holes 14 respectively penetrating through the arc-shaped curved surface 11 and the smooth plane 12 are arranged in the axial direction of the valve seat 1, the radius of the arc-shaped curved surface 11 is larger than that of the inner wall of the main valve tube 2, and fine grooves 13 are respectively arranged at two straight edges of the arc-shaped curved surface 11. The inner wall of the through hole 14 is provided with an annular baffle 15, and the section of the through hole, which is close to the arc-shaped curved surface 11, of the annular baffle 15 is a conical hole 141 with a large outer opening and a small inner end. The caliber of the outer edge of the conical hole 141 is larger than the aperture of the corresponding side hole 21 of the main valve tube 2, and the inner diameter of the annular baffle 15 is smaller than the outer diameter of the insertion end of the welding cannula 3. The two end faces of the valve seat 1 are inclined planes 16 inclined towards the top end of the arc-shaped curved surface 11.
Before welding, the through hole 14 of the valve seat 1 is aligned with the side hole 21 of the main valve pipe, the welding cannula 3 is inserted into the conical hole 141 of the through hole 14 of the valve seat 1 from the side hole 21, the insertion end of the welding cannula 3 is abutted against the annular baffle 15 in the through hole 14 (before welding, a welding ring 4 is arranged between the welding cannula 3 and the annular baffle 15), when the flame welding gun is adopted to heat and weld the outer surface of the side hole 21 of the main valve pipe and the nearby outer surface of the main valve pipe, the welding liquid (the welding liquid has the characteristic of flowing from low temperature to high temperature) formed by melting the welding ring 4 is melted, the welding cannula 3 is further inserted under the action of the heavy pressure rod to directly abut against the annular baffle 15, after the welding ring 4 is melted, the gap between the welding cannula 3 and the side wall of the conical hole 141 is firstly entered, redundant welding liquid overflows, and meanwhile, the gap between the welding cannula 3 and the inner side hole 21 of the main valve pipe 3 is filled, and if more welding liquid flows into the gap between the arc-shaped curved surface 11 and the inner wall of the main valve pipe 2, the gap is stored into the thin groove 13. The design not only realizes the light weight of the valve seat 1 and the firm welding between the valve seat 1 and the main valve pipe 2 and the welding cannula 3, but also effectively reduces or avoids the condition that the welding flux flows to the smooth plane 12 of the valve seat 1.
Claims (5)
1. The utility model provides a four-way valve main valve body valve seat, includes banding disk seat (1), the faying surface of disk seat (1) is arc curved surface (11), the one side that disk seat (1) deviates from the faying surface is smooth plane (12), be provided with three through-hole (14) that run through arc curved surface (11) and smooth plane (12) respectively on the axis direction of disk seat (1), its characterized in that: the radius of the arc-shaped curved surface (11) is larger than that of the inner wall of the main valve tube (2), and fine grooves (13) are respectively arranged at the two straight edges of the arc-shaped curved surface (11).
2. A four-way valve main valve seat as defined in claim 1, wherein: the inner wall of the through hole (14) is provided with an annular baffle (15), and the section of the through hole, which is close to the arc-shaped curved surface (11), of the annular baffle (15) is a conical hole (141) with a large outer opening and a small inner end.
3. A four-way valve main valve seat as defined in claim 2, wherein: the caliber of the outer edge of the conical hole (141) is larger than the caliber of the side hole (21) of the corresponding main valve tube (2).
4. A four-way valve main valve seat as defined in claim 3, wherein: the inner diameter of the annular baffle (15) is smaller than the outer diameter of the insertion end of the welding cannula (3).
5. A four-way valve main valve seat as defined in claim 1, wherein: the two end faces of the valve seat (1) are inclined planes (16) inclined towards the top end of the arc-shaped curved surface (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320242362.6U CN219263258U (en) | 2023-02-16 | 2023-02-16 | Main valve seat of four-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320242362.6U CN219263258U (en) | 2023-02-16 | 2023-02-16 | Main valve seat of four-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219263258U true CN219263258U (en) | 2023-06-27 |
Family
ID=86871337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320242362.6U Active CN219263258U (en) | 2023-02-16 | 2023-02-16 | Main valve seat of four-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219263258U (en) |
-
2023
- 2023-02-16 CN CN202320242362.6U patent/CN219263258U/en active Active
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