Valve core and valve body of stainless steel delay flush valve

Abstract

The utility model discloses a stainless steel delay flush valve core valve body which comprises a first sealing section, a second sealing section and a threaded section which are sequentially arranged from bottom to top, the first sealing section, the second sealing section and the threaded section are provided with coaxial through holes in the axial direction, and the first sealing section and the second sealing section are fixed through laser welding. The first sealing section, the second sealing section and the threaded section are fixed through laser welding, the first sealing section, the second sealing section and the threaded section are all formed by stainless steel plates in a cold punching mode, and the first sealing section, the second sealing section and the threaded section are respectively formed by stainless steel plates in a cold punching mode and fixed through laser welding. According to the valve core and valve body of the stainless steel flush valve, the valve core and valve body of the stainless steel flush valve are formed into an integrated structure, so that the cut-off of water output of the delayed flush valve can be controlled, and the valve core and valve body of the stainless steel flush valve is environment-friendly, low in cost, not heavy and more convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the valve body field, concretely relates to a stainless steel delayed flush valve core valve body. BACKGROUND

[0002] The flush valve core is an important component in the flush valve, and has the functions of cutting off, regulating, guiding flow, preventing backflow, stabilizing pressure, shunting or overflow pressure relief. The flush valve core mainly comprises a valve core valve body, a valve rod, a reset spring and a sealing ring. The traditional valve core valve body is mainly made of iron casting. Such an iron valve core valve body is prone to rust and is not environmentally friendly. Therefore, the prior art provides a copper valve core valve body. Such a copper valve body is integrally formed. Although the environmental problem is solved, the copper valve body has high material cost and is heavy. SUMMARY

[0003] In order to overcome the above-mentioned deficiencies in the prior art, the purpose of the utility model is to provide a stainless steel delayed flush valve core valve body.

[0004] The utility model discloses a stainless steel delayed flush valve core valve body, which comprises a first sealing section, a second sealing section and a threaded section arranged in sequence from bottom to top, wherein the first sealing section, the second sealing section and the threaded section are provided with through holes with coaxial axes along the axial direction, the first sealing section and the second sealing section are fixed by laser welding, the second sealing section and the threaded section are fixed by laser welding, and the first sealing section, the second sealing section and the threaded section are all cold punched and formed by using stainless steel plates.

[0005] Preferably, the first sealing section comprises a first main body part, the lower end of the first main body part is provided with a first table surface integrally formed therewith, and the first main body part is provided with internal threads.

[0006] Preferably, the second sealing section comprises a second main body part, and the lower end of the second main body part is provided with a second table surface integrally formed therewith.

[0007] Preferably, the threaded section comprises a threaded part, the lower end of the threaded part is provided with a support plate integrally formed therewith, and the outer side surface of the threaded part is provided with external threads.

[0008] Preferably, the first main body part and the second table surface are fixed by laser welding, and the second main body part and the support plate are fixed by laser welding.

[0009] Preferably, the outer diameter of the first table surface is greater than the outer diameter of the first main body part, the outer diameter of the second table surface is greater than the outer diameter of the second main body part, and the outer diameter of the support plate is greater than the outer diameter of the second main body part.

[0010] Preferably, the first sealing ring annular groove is formed between the first table and the second table for positioning the first sealing ring.

[0011] Preferably, the threaded portion is provided with a nut member for fixing the second sealing ring on the support plate.

[0012] Preferably, the nut member is made of stainless steel plate cold punching forming.

[0013] Compared with the prior art, the utility model has the following advantages and beneficial effects: the first sealing section, the second sealing section and the threaded section are respectively made of stainless steel plate cold punching forming and are fixed through laser welding, so that the stainless steel flush valve core valve body is formed as an integrated structure, thereby being able to control the cutting of the delayed flush valve water outlet, so that the stainless steel flush valve core valve body is not only environment-friendly and low in cost, but also not heavy and more convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Other features, objects and advantages of the utility model will become more apparent through reading the following detailed description of the non-limiting embodiments with reference to the accompanying drawings:

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a structural schematic view of the utility model without the first sealing ring and the second sealing ring;

[0017] Figure 3 It is an exploded view of the utility model;

[0018] The reference signs involved in the above drawings are explained as follows:

[0019] 1 - first sealing section, 10 - first main body part, 11 - first table, 12 - internal thread;

[0020] 2 - second sealing section, 20 - second main body part, 21 - second table;

[0021] 3 - threaded section, 30 - threaded portion, 31 - support plate, 32 - external thread;

[0022] 4 - through hole; 5 - first sealing ring; 6 - first sealing ring annular groove; 7 - second sealing ring; 8 - nut member. DETAILED DESCRIPTION

[0023] The embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only, and are used to explain the present application, and cannot be understood as a limitation of the present application.

[0024] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0025] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] Referring to Figure 1 , Figure 2 and Figure 3 , a stainless steel delayed flush valve core valve body, comprising a first sealing section 1, a second sealing section 2 and a threaded section 3 arranged in sequence from bottom to top, the first sealing section 1, the second sealing section 2 and the threaded section 3 are provided with coaxial through holes 4 along the axial direction, the first sealing section 1 and the second sealing section 2 are fixed by laser welding, the second sealing section 2 and the threaded section 3 are fixed by laser welding, the first sealing section 1, the second sealing section 2 and the threaded section 3 are all cold punched by stainless steel plate.

[0027] Specifically, in order to make the first sealing segment 1, the second sealing segment 2 and the threaded segment 3 can be welded into an integral structure, the first sealing segment 1 comprises a first main body 10, the lower end of the first main body 10 is provided with a first table 11 which is integrally formed with the first main body 10, and the first main body 10 is provided with an internal thread 12; the second sealing segment 2 comprises a second main body 20, the lower end of the second main body 20 is provided with a second table 21 which is integrally formed with the second main body 20; the threaded segment 3 comprises a threaded part 30, the lower end of the threaded part 30 is provided with a support plate 31 which is integrally formed with the threaded part 30, the outer side of the threaded part 30 is provided with an external thread 32, the first main body 10 and the second table 21 are fixed by laser welding, and the second main body 20 and the support plate 31 are fixed by laser welding.

[0028] In addition, in order to make the valve core valve body be formed with a first sealing ring annular groove, so that the flush valve core can cut off the water flow of the flush valve, the outer diameter of the first table 11 is larger than the outer diameter of the first main body 10, the outer diameter of the second table 21 is larger than the outer diameter of the second main body 20, the outer diameter of the support plate 31 is larger than the outer diameter of the second main body 20, the first table 11 and the second table 21 are formed with a first sealing ring annular groove 6 for positioning the first sealing ring 5, and the threaded part 30 is provided with a nut part 8 for fixing the second sealing ring 7 on the support plate.

[0029] It should be noted that the nut part 8 is made of stainless steel plate cold punching forming, so that the valve core valve body is lighter and more environmentally friendly.

[0030] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A stainless steel delayed flushing valve core and valve body, characterized in that: The sealing device comprises a first sealing section (1), a second sealing section (2) and a threaded section (3) arranged in sequence from bottom to top, the first sealing section (1), the second sealing section (2) and the threaded section (3) are provided with coaxial through holes (4) along the axial direction, the first sealing section (1) and the second sealing section (2) are fixed by laser welding, the second sealing section (2) and the threaded section (3) are fixed by laser welding, and the first sealing section (1), the second sealing section (2) and the threaded section (3) are all cold punched and formed by stainless steel plates.

2. A valve body for a stainless steel flush valve according to claim 1, wherein: The first sealing section (1) comprises a first main body (10), the lower end of the first main body (10) is provided with a first table (11) integrally formed therewith, and the first main body (10) is provided with an internal thread (12) therein. The second sealing section (2) comprises a second main body (20), the lower end of the second main body (20) is provided with a second table (21) integrally formed therewith. The threaded section (3) comprises a threaded section (30), the lower end of the threaded section (30) is provided with a support plate (31) integrally formed therewith, and the outer side of the threaded section (30) is provided with an external thread (32).

3. A valve body for a stainless steel flush valve according to claim 2 wherein: The first main body (10) and the second table (21) are fixed by laser welding, and the second main body (20) and the support plate (31) are fixed by laser welding.

4. A valve body for a stainless steel flush valve according to claim 3 wherein: The outer diameter of the first table (11) is greater than the outer diameter of the first main body (10), the outer diameter of the second table (21) is greater than the outer diameter of the second main body (20), and the outer diameter of the support plate (31) is greater than the outer diameter of the second main body (20).

5. A valve body for a stainless steel flush valve according to claim 4 wherein: The first table (11) and the second table (21) form a first sealing ring annular groove (6) for positioning a first sealing ring (5) therebetween.

6. A valve body for a stainless steel flush valve according to claim 2 wherein: The threaded section (30) is provided with a nut part (8) for fixing a second sealing ring (7) on the support plate.

7. A valve body for a stainless steel flush valve according to claim 6 wherein: The nut part (8) is cold punched and formed by a stainless steel plate.

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