CN218894970U - Flap valve convenient to installation - Google Patents
Flap valve convenient to installation Download PDFInfo
- Publication number
- CN218894970U CN218894970U CN202222510483.2U CN202222510483U CN218894970U CN 218894970 U CN218894970 U CN 218894970U CN 202222510483 U CN202222510483 U CN 202222510483U CN 218894970 U CN218894970 U CN 218894970U
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- positioning
- flap valve
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- upper flange
- groove
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Abstract
The utility model discloses a flap valve convenient to install, and belongs to the technical field of valves; the device comprises an upper flange, a flap valve, a lower flange, a positioning rod, a positioning hole, a compression spring, a spring groove, a limiting plate and a positioning groove; the flap valve is positioned between the upper flange and the lower flange; the upper flange is provided with two positioning holes downwards, and the positioning holes are symmetrically arranged relative to the pipeline; a positioning groove is formed above the flap valve, a positioning rod is positioned in the positioning hole, and the end part of the positioning rod extends into the positioning groove; a spring groove is formed in the upper flange, a compression spring is positioned in the spring groove, and the compression spring is wound on the positioning rod; the limiting plate is arranged on the positioning rod and is fixedly connected with the positioning rod; set up two locating holes on last flange, adopt the mode of two-point location, guaranteed the accuracy of centering, and utilize compression spring structure, make the location more convenient, can solve the inconvenient and inaccurate problem of easy centering of traditional flap valve installation.
Description
Technical Field
The utility model provides a flap valve convenient to install, and belongs to the technical field of valves.
Background
The flap valve is also called a butterfly valve, and is a regulating valve with a simple structure, the flap valve capable of being used for the on-off control of low-pressure pipeline media is a valve with a disc as a closing member (a valve clack or a butterfly plate) which rotates around a valve shaft to achieve the opening and closing, and along with the continuous development of production and life, the requirements of people on the flap valve are also higher and higher.
In the prior art, when a traditional butterfly valve is installed, a bolt structure is often required to be used for fixing a flap valve on a pipeline, the flap valve is firstly placed between two flanges of the pipeline before the flap valve is fixed by using the bolt, and the valve is required to be positioned in the middle of the pipeline; the common mode is to use the outer circle of the valve body and the flange end face or the outer circle as reference, the positioning and centering mode is slow, the centering is easy to be inaccurate, and the installation is inconvenient, so that a flap valve is needed, the quick positioning and centering can be carried out, and the installation is convenient.
Disclosure of Invention
The flap valve convenient to install provided by the utility model has a simple structure, two positioning holes are formed in the upper flange, a two-point positioning mode is adopted, centering accuracy is ensured, and a compression spring structure is utilized, so that positioning is more convenient, and the problems of inconvenience in centering and inaccuracy in centering easily in the traditional flap valve installation can be solved.
In order to solve the problems, the technical scheme provided by the utility model is as follows: a flap valve convenient to install comprises a pipeline, an operating block, a bolt, an upper flange, a flange hole, a flap valve, a lower flange, a positioning rod, a positioning hole, a compression spring, a spring groove, a limiting plate and a positioning groove; the upper flange is arranged on the pipeline and is fixedly connected with the pipeline; the lower flange is arranged on the pipeline and is fixedly connected with the pipeline; the upper flange and the lower flange are respectively provided with a flange hole, the flap valve is positioned between the upper flange and the lower flange, and bolts penetrate through the flange holes to fixedly connect the upper flange, the flap valve and the lower flange; the upper flange is provided with two positioning holes downwards, and the positioning holes are symmetrically arranged relative to the pipeline; a positioning groove is arranged above the flap valve and is completely aligned with the positioning hole; the positioning rod is positioned in the positioning hole, and the end part of the positioning rod extends into the positioning groove; a spring groove is formed in the upper flange, a compression spring is positioned in the spring groove, and the compression spring is wound on the positioning rod; the limiting plate is arranged on the positioning rod and is fixedly connected with the positioning rod; the operation block is arranged on the upper flange and is fixedly connected with the positioning rod;
a sealing gasket is arranged between the upper flange and the flap valve, and the same sealing gasket is arranged between the flap valve and the lower flange;
a flat pad is arranged at the contact position of the bolt and the upper flange, and a spring pad is arranged at the contact position of the bolt and the lower flange;
the flange holes on the upper flange and the flange holes on the lower flange are completely centered;
the limiting plate is cylindrical, and the outer diameter of the limiting plate is larger than the diameter of the positioning hole;
the maximum diameter of the spring groove is larger than the diameter of the positioning hole;
the maximum diameter of the compression spring is larger than the diameter of the positioning hole;
the compression spring is reserved with a compression amount during installation.
The utility model has the beneficial effects that:
1. the upper flange is provided with two positioning holes downwards, and the positioning holes are symmetrically arranged relative to the pipeline; a positioning groove is arranged above the flap valve and is completely aligned with the positioning hole; the two-point positioning mode is adopted, so that the accuracy in positioning and mounting is ensured.
2. The compression spring is positioned in the spring groove and is wound on the positioning rod; the elasticity of compression spring can promote the limiting plate to make the locating lever insert in the constant head tank, can accomplish the preliminary fixed after the location, avoid the later flap valve to slide when using the bolt to fix a position.
In summary, the utility model can solve the problems of inconvenient centering and inaccurate centering easily in the installation of the traditional flap valve.
Drawings
FIG. 1 is a schematic view of a flap valve of the present utility model for ease of installation.
Fig. 2 is an enlarged view of a portion of a flap valve of the present utility model for ease of installation.
1. A pipe; 2. an operation block; 3. a bolt; 4. a flat pad; 5. an upper flange; 6. a flange hole; 7. a sealing gasket; 8. a flap valve; 9. a lower flange; 10. a spring pad; 11. a positioning rod; 12. positioning holes; 13. a compression spring; 14. a spring groove; 15. a limiting plate; 16. and a positioning groove.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
According to the fig. 1-2: the utility model provides a flap valve convenient to install, which comprises: the device comprises a pipeline 1, an operation block 2, a bolt 3, an upper flange 5, a flange hole 6, a flap valve 8, a lower flange 9, a positioning rod 11, a positioning hole 12, a compression spring 13, a spring groove 14, a limiting plate 15 and a positioning groove 16; the upper flange 5 is arranged on the pipeline 1, and the upper flange 5 is fixedly connected with the pipeline 1; the lower flange 9 is arranged on the pipeline 1, and the lower flange 9 is fixedly connected with the pipeline 1; the upper flange 5 and the lower flange 9 are respectively provided with a flange hole 6, the flap valve 8 is positioned between the upper flange 5 and the lower flange 9, and the bolts 3 penetrate through the flange holes 6 to fixedly connect the upper flange 5, the flap valve 8 and the lower flange 9; two positioning holes 12 are arranged on the upper flange 5 downwards, and the positioning holes 12 are symmetrically arranged relative to the pipeline 1; a positioning groove 16 is arranged above the flap valve 8, and the positioning groove 16 is completely aligned with the positioning hole 12; the positioning rod 11 is positioned in the positioning hole 12, and the end part of the positioning rod 11 extends into the positioning groove 16; a spring groove 14 is formed in the upper flange 5, a compression spring 13 is positioned in the spring groove 14, and the compression spring 13 is wound on the positioning rod 11; the limiting plate 15 is arranged on the positioning rod 11, and the limiting plate 15 is fixedly connected with the positioning rod 11; the operation block 2 is arranged on the upper flange 5, and the operation block 2 is fixedly connected with the positioning rod 11; a sealing gasket 7 is arranged between the upper flange 5 and the flap valve 8, and the same sealing gasket 7 is arranged between the flap valve 8 and the lower flange 9; the flat pad 4 is arranged at the contact position of the bolt 3 and the upper flange 5, and the elastic pad 10 is arranged at the contact position of the bolt 3 and the lower flange 9; the flange holes 6 on the upper flange 5 and the flange holes 6 on the lower flange 9 are completely centered; the limiting plate 15 is cylindrical, and the outer diameter of the limiting plate 15 is larger than the diameter of the positioning hole 12; the maximum diameter of the spring groove 14 is larger than the diameter of the positioning hole 12; the maximum diameter of the compression spring 13 is larger than the diameter of the positioning hole 12; the compression spring 13 is reserved with a compression amount at the time of installation.
Principles of the utility model
When the flap valve 8 is installed, the two operation blocks 2 are pulled upwards, and the limiting plate 15 continuously compresses the compression spring 13; the flap valve 8 is placed between the upper flange 5 and the lower flange 9 and slowly moved to align the positioning groove 16 with the positioning hole 12; the number of the positioning holes 12 and the positioning slots 16 is two, the principle of two-point position determination is applied, when the positioning slots 16 are aligned with the positioning holes 12, the center of the flap valve 8 is just aligned with the center of the flange, and the positioning and centering are more convenient and accurate in this way; because compression spring 13 continuously produces pressure to limiting plate 15 to make locating lever 11 tip impress in constant head tank 16, because compression spring 13 has reserved the compression volume when the installation, so when locating lever 11 tip impress in constant head tank 16, compression spring 13 still has pressure to limiting plate 15, has guaranteed that locating lever 11 can not drop easily, has accomplished the preliminary fixed of upper flange 5 and flap valve 8.
After the positioning centering and the preliminary fixation of the flap valve 8 are finished, the bolts 3 pass through the flange holes 6 to finish the final fixation of the upper flange 5, the flap valve 8 and the lower flange 9, and as the flap valve 8 is preliminarily fixed, the influence of the small-amplitude sliding of the flap valve 8 on the positioning accuracy is not worried about when the bolts 3 are installed.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (8)
1. A flap valve convenient to installation, its characterized in that: the device comprises a pipeline (1), an operation block (2), a bolt (3), an upper flange (5), a flange hole (6), a flap valve (8), a lower flange (9), a positioning rod (11), a positioning hole (12), a compression spring (13), a spring groove (14), a limiting plate (15) and a positioning groove (16); the upper flange (5) is arranged on the pipeline (1), and the upper flange (5) is fixedly connected with the pipeline (1); the lower flange (9) is arranged on the pipeline (1), and the lower flange (9) is fixedly connected with the pipeline (1); the upper flange (5) and the lower flange (9) are respectively provided with a flange hole (6), the flap valve (8) is positioned between the upper flange (5) and the lower flange (9), and the bolts (3) penetrate through the flange holes (6) to fixedly connect the upper flange (5), the flap valve (8) and the lower flange (9); two positioning holes (12) are formed in the upper flange (5) in a downward facing mode, and the positioning holes (12) are symmetrically formed relative to the pipeline (1); a positioning groove (16) is arranged above the flap valve (8), and the positioning groove (16) is completely aligned with the positioning hole (12); the positioning rod (11) is positioned in the positioning hole (12), and the end part of the positioning rod (11) extends into the positioning groove (16); a spring groove (14) is formed in the upper flange (5), a compression spring (13) is positioned in the spring groove (14), and the compression spring (13) is wound on the positioning rod (11); the limiting plate (15) is arranged on the positioning rod (11), and the limiting plate (15) is fixedly connected with the positioning rod (11); the operation block (2) is arranged on the upper flange (5), and the operation block (2) is fixedly connected with the positioning rod (11).
2. A flap valve for facilitating installation as defined in claim 1, wherein: a sealing gasket (7) is arranged between the upper flange (5) and the flap valve (8), and the same sealing gasket (7) is arranged between the flap valve (8) and the lower flange (9).
3. A flap valve for facilitating installation as defined in claim 1, wherein: the bolt (3) is provided with a flat pad (4) at the contact position of the upper flange (5), and a spring pad (10) is provided at the contact position of the bolt (3) and the lower flange (9).
4. A flap valve for facilitating installation as defined in claim 1, wherein: the flange holes (6) on the upper flange (5) and the flange holes (6) on the lower flange (9) are completely centered.
5. A flap valve for facilitating installation as defined in claim 1, wherein: the limiting plate (15) is cylindrical, and the outer diameter of the limiting plate (15) is larger than the diameter of the positioning hole (12).
6. A flap valve for facilitating installation as defined in claim 1, wherein: the maximum diameter of the spring groove (14) is greater than the diameter of the positioning hole (12).
7. A flap valve for facilitating installation as defined in claim 1, wherein: the maximum diameter of the compression spring (13) is larger than the diameter of the positioning hole (12).
8. A flap valve for facilitating installation as defined in claim 1, wherein: the compression spring (13) is reserved with a compression amount during installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222510483.2U CN218894970U (en) | 2022-09-22 | 2022-09-22 | Flap valve convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222510483.2U CN218894970U (en) | 2022-09-22 | 2022-09-22 | Flap valve convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218894970U true CN218894970U (en) | 2023-04-21 |
Family
ID=86003779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222510483.2U Active CN218894970U (en) | 2022-09-22 | 2022-09-22 | Flap valve convenient to installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218894970U (en) |
-
2022
- 2022-09-22 CN CN202222510483.2U patent/CN218894970U/en active Active
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| GR01 | Patent grant |