CN212251319U - One-way valve - Google Patents
One-way valve Download PDFInfo
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- CN212251319U CN212251319U CN202020677314.6U CN202020677314U CN212251319U CN 212251319 U CN212251319 U CN 212251319U CN 202020677314 U CN202020677314 U CN 202020677314U CN 212251319 U CN212251319 U CN 212251319U
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- valve body
- valve
- end cover
- support
- seat assembly
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Abstract
The utility model discloses a check valve, including valve body, disk seat subassembly and support, its characterized in that: the valve body includes first valve body and second valve body, first valve body and second valve body respectively the laminating and be fixed in the periphery of disk seat subassembly, support butt in the discharge end of disk seat subassembly, the end cover is installed respectively to the outer end of first valve body and second valve body, the outer end of support offsets with the end cover that is close to first valve body one side, through the aforesaid setting, has improved the production efficiency of check valve, and then has saved the manufacturing cost of check valve.
Description
Technical Field
The utility model relates to a technical field of valve, in particular to check valve.
Background
As shown in fig. 1, the check valve in the prior art includes a valve body 1, a valve seat assembly 2, a magnetic core 23, a support 3, a steel sheet 31 and a filter screen 32, the valve seat assembly 2 is arranged in the valve body 1 to control the opening or closing of the check valve, the support 3 and the valve body 1 are arranged in the valve body 1 and abutted to each other, the magnetic core 23 is arranged in the valve seat assembly 2, the steel sheet 31 is arranged in the support 3, the steel sheet 31 can be attracted by the magnetic core 23, and the filter screen 32 is fixed on the valve seat assembly 2 by riveting.
In the prior art, the following method is adopted for mounting and positioning the bracket 3 and the valve seat assembly 2: firstly, a stop point 13 is punched on the periphery of the valve body 1, the support 3 and the valve seat assembly 2 are positioned, and then the valve seat assembly 2 and the valve body 1 are welded and fixed. However, the process time for positioning the stopping point 13 is long, and the efficiency of installation and positioning is low, so that the production cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a higher check valve of installation positioning efficiency, and then saved the manufacturing cost of check valve.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a check valve, includes valve body, disk seat subassembly and support, the valve body includes first valve body and second valve body, first valve body and second valve body respectively the laminating and be fixed in the periphery of disk seat subassembly, the support butt in the discharge end of disk seat subassembly, the end cover is installed respectively to the outer end of first valve body and second valve body, the outer end of support offsets with the end cover that is close to first valve body one side.
Furthermore, a gap is reserved between the first valve body and the second valve body, and the first valve body and the second valve body are welded with the valve seat assembly into a whole along the gap direction.
Further, the valve seat assembly is provided with a flange in a radial protruding mode, the first valve body and the second valve body are respectively abutted to the end face of the flange, and the first valve body, the second valve body and the flange are welded into a whole.
Further, one end, far away from the valve seat assembly, of the support extends out or is flush with the outer end of the first valve body and is abutted against the end cover.
Further, carbon dioxide welding is adopted between the first valve body, the second valve body and the valve seat assembly.
Further, the mounting ring is installed to the disk seat subassembly inner wall, the mounting ring adopts non-ferromagnetic material, first valve body, second valve body and disk seat subassembly adopt steel material.
Furthermore, the outer end of the end cover is fixedly provided with a connecting pipe.
Furthermore, the outer end of the end cover is axially and convexly provided with a guide ring, a step is formed on the end face of the end cover, and the connecting pipe is attached to the periphery of the guide ring and abuts against the step.
A mounting process of a one-way valve comprises the following steps:
step 1, fitting a first valve body and a second valve body to the periphery of a valve seat assembly, and welding the first valve body, the second valve body and the valve seat assembly into a whole;
and 3, fixedly mounting end covers at the outer ends of the first valve body and the second valve body respectively, wherein the outer end of the support abuts against the end cover close to one side of the first valve body.
Furthermore, a gap is reserved between the first valve body and the second valve body, and the first valve body and the second valve body are welded with the valve seat assembly into a whole along the gap direction.
To sum up, the utility model discloses following beneficial effect has:
a check valve, the first valve block and the second valve block are respectively attached to the periphery of a valve seat assembly, and the first valve block, the second valve block and the valve seat assembly are welded into a whole by carbon dioxide welding, one end of a support is abutted to the valve seat assembly, the other end of the support extends out of or is flush with the outer end of the first valve block, end covers are welded to the outer ends of the first valve block and the second valve block, the end covers close to the first valve block are abutted to the outer end of the support, and a stop location point location structure is arranged on the periphery of the valve block in the prior art and is replaced by the structure, so that the installation efficiency of the check valve is improved, and the production cost of the check valve; the firmness and stability of the first valve body, the second valve body and the valve seat assembly are improved by the carbon dioxide welding, so that the one-way valve can bear higher working pressure, and meanwhile, the phenomenon that the service life of the one-way valve is influenced by the welding failure among the first valve body, the second valve body and the valve seat assembly can be avoided; make the takeover install in the end cover and will take over and end cover welding as an organic whole through the punching press, above-mentioned technology compares in prior art's throat technology, has shortened the process time of this check valve greatly, and then has improved the production efficiency of this check valve.
Drawings
FIG. 1 is a prior art schematic of the present invention;
fig. 2 is a schematic diagram of a first embodiment of the present invention;
fig. 3 is a schematic view of a second embodiment of the present invention in which the outer diameter of the flange is larger than the outer diameters of the first valve body and the second valve body;
fig. 4 is a schematic view of the second embodiment of the present invention in which the outer diameter of the flange is smaller than or equal to the outer diameters of the first valve body and the second valve body.
In the figure: 1. a valve body; 11. a first valve body; 12. a second valve body; 13. a stop site; 2. a valve seat assembly; 21. a flange; 22. a mounting ring; 23. a magnetic core; 3. a support; 31. a steel sheet; 32. a filter screen; 4. An end cap; 41. a guide ring; 42. a step; 5. and (6) taking over.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 2-4, a check valve comprises a valve body 1, a valve seat assembly 2 and a support 3, wherein the valve body 1 comprises a first valve body 11 and a second valve body 12, the first valve body 11 and the second valve body 12 are respectively attached to and fixed on the periphery of the valve seat assembly 2, the support 3 is abutted against the discharge end of the valve seat assembly 2, end covers 4 are respectively installed at the outer ends of the first valve body 11 and the second valve body 12, the outer end of the support 3 is abutted against the end cover 4 close to one side of the first valve body 11, and the structure replaces a positioning structure of an end-stopping point 13 on the periphery of the valve body 1 in the prior art, so that the installation efficiency of the check valve is improved, and the production cost of the check valve is further saved.
When one end of the support 3, which is far away from the valve seat assembly 2, extends out or is flush with the outer end of the first valve body 11, the outer end of the support 3 abuts against the end cover 4 on one side close to the first valve body 11, and the end cover 4 and the first valve body 11 are welded into a whole.
When the support 3 is located in the first valve body 11, the end cover 4 can axially and convexly arrange a convex ring which tightly supports the support 3 against the valve seat component 2, and the end cover 4 and the first valve body 11 are welded into a whole.
The utility model discloses a first kind embodiment: leave the clearance between first valve body 11 and the second valve body 12, and first valve body 11 and second valve body 12 weld as an organic whole with valve seat assembly 2 along the clearance direction, through the aforesaid setting, increase the fastness and the stability of first valve body 11, second valve body 12 and valve seat assembly 2, make this check valve can bear bigger operating pressure, can avoid appearing the desoldering between first valve body 11, the second valve body 12 and the valve seat assembly 2 simultaneously and influence this check valve's life.
The utility model discloses a second kind embodiment: the valve seat assembly 2 is provided with a flange 21 in a radial protruding mode, the first valve body 11 and the second valve body 12 are respectively abutted to the end face of the flange 21, and the first valve body 11, the second valve body 12 and the flange 21 are welded into a whole.
When the outer diameter of the flange 21 is smaller than or equal to the outer diameter of the first valve body 11 and the second valve body 12, the first valve body 11, the second valve body 12 and the flange 21 are welded together.
When the outer diameter of the flange 21 is larger than the outer diameters of the first valve body 11 and the second valve body 12, the first valve body 11 and the second valve body 12 are welded to both ends of the flange 21, respectively.
The first valve body 11, the second valve body 12 and the valve seat assembly 2 are welded by carbon dioxide, and compared with tin soldering, the check valve is firmer and can bear larger working pressure.
Installing ring 22 is installed to 2 inner walls of disk seat subassembly, installing ring 22 adopts non-ferromagnetic material, the utility model discloses in this installing ring 22 adopts the copper product material, installing ring 22 is used for installing the magnetic core (the utility model discloses in do not draw, draw among the prior art), support 3 is the aluminium material, the mounting groove has been seted up to support 3 near the one end of disk seat subassembly 2, be equipped with steel sheet 31 in the mounting groove, but magnetic core suction steel sheet 31, it is fixed with filter screen 32 through riveting on the disk seat subassembly 2, filter screen 32 is located steel sheet 31's looks remote site, one side of filter screen 32 is the feed end of this check valve, one side of steel sheet 31 is the discharge end of this check valve.
The first valve body 11, the second valve body 12 and the valve seat assembly 2 are made of steel materials, and on one hand, the first valve body 11, the second valve body 12 and the valve seat assembly 2 are welded more firmly and the welding effect is better by adopting the steel materials; on the other hand, the valve body 1 made of steel replaces the valve body 1 made of copper, so that the production cost of the valve body 1 is reduced.
The outer end of the end cover 4 is fixedly provided with a connecting pipe 5, the outer end of the end cover 4 is axially and convexly provided with a guide ring 41, a step 42 is formed on the end face of the end cover 4, the connecting pipe 5 is attached to the periphery of the guide ring 41 and abuts against the step 42, the connecting pipe 5 is installed on the end cover 4 through stamping, and the connecting pipe 5 and the end cover 4 are welded into a whole.
A mounting process of a one-way valve comprises the following steps:
step 1, attaching a first valve body 11 and a second valve body 12 to the periphery of a valve seat assembly 2, and welding the first valve body 11, the second valve body 12 and the valve seat assembly 2 into a whole;
and 3, fixedly installing end covers 4 at the outer ends of the first valve body 11 and the second valve body 12 respectively, and abutting the outer end of the support 3 against the end cover 4 close to one side of the first valve body 11.
A gap is reserved between the first valve body 11 and the second valve body 12, and the first valve body 11 and the second valve body 12 are welded with the valve seat assembly 2 into a whole along the gap direction.
And 3, arranging a connecting pipe 5 at the outer end of the end cover 4 in the step 3, stamping, fixing and welding the connecting pipe 5 and the end cover 4 into a whole, and welding the end cover 4 and the connecting pipe 5 to the outer ends of the first valve body 11 and the second valve body 12 together.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (8)
1. The utility model provides a check valve, includes valve body (1), disk seat subassembly (2) and support (3), its characterized in that: valve body (1) includes first valve body (11) and second valve body (12), first valve body (11) and second valve body (12) laminate respectively and are fixed in the periphery of disk seat subassembly (2), support (3) butt in the discharge end of disk seat subassembly (2), end cover (4) are installed respectively to the outer end of first valve body (11) and second valve body (12), the outer end of support (3) offsets with end cover (4) that are close to first valve body (11) one side.
2. A one-way valve according to claim 1, wherein: a gap is reserved between the first valve body (11) and the second valve body (12), and the first valve body (11) and the second valve body (12) are welded with the valve seat assembly (2) into a whole along the gap direction.
3. A one-way valve according to claim 1, wherein: the valve seat component (2) is provided with a flange (21) in a radial protruding mode, the first valve body (11) and the second valve body (12) are abutted to the end face of the flange (21) respectively, and the first valve body (11), the second valve body (12) and the flange (21) are welded into a whole.
4. A check valve as claimed in any one of claims 1 to 3, wherein: and the first valve body (11), the second valve body (12) and the valve seat assembly (2) are welded by carbon dioxide.
5. A one-way valve according to claim 1, wherein: one end of the support (3) far away from the valve seat assembly (2) extends out or is flush with the outer end of the first valve body (11) and is abutted against the end cover (4).
6. A check valve as claimed in any one of claims 1, 2, 3 or 5, wherein: the mounting ring (22) is installed to disk seat subassembly (2) inner wall, the non-ferromagnetic material is adopted in mounting ring (22), first valve body (11), second valve body (12) and disk seat subassembly (2) adopt the steel material.
7. A one-way valve according to claim 1, wherein: and the outer end of the end cover (4) is fixedly provided with a connecting pipe (5).
8. A one-way valve according to claim 7, wherein: the outer end of the end cover (4) is axially provided with a guide ring (41) in a protruding mode, the end face of the end cover (4) is provided with a step (42), and the connecting pipe (5) is attached to the periphery of the guide ring (41) and abuts against the step (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020677314.6U CN212251319U (en) | 2020-04-28 | 2020-04-28 | One-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020677314.6U CN212251319U (en) | 2020-04-28 | 2020-04-28 | One-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212251319U true CN212251319U (en) | 2020-12-29 |
Family
ID=73997631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020677314.6U Active CN212251319U (en) | 2020-04-28 | 2020-04-28 | One-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212251319U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370774A (en) * | 2021-05-20 | 2022-11-22 | 盾安环境技术有限公司 | Reversible solenoid valve and air conditioning unit having same |
-
2020
- 2020-04-28 CN CN202020677314.6U patent/CN212251319U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370774A (en) * | 2021-05-20 | 2022-11-22 | 盾安环境技术有限公司 | Reversible solenoid valve and air conditioning unit having same |
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