Directly-buried PE valve with adjustable height
By designing a height adjustment mechanism in a direct buried PE valve, the problem of inconsistent valve height under different buried depths is solved, and flexible adjustment and applicability of valve height are achieved.
Patent Information
- Application Number
- CN202420941489.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-06
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-05-06
AI Technical Summary
Existing PE valves need to design sleeves of different sizes under different buried depths, which increases the burden of processing and classification.
A direct buried PE valve with adjustable height is designed. By setting a height adjustment mechanism on the inner sheath, including a limiting plate, a slot, a seat plate and a seat plate, the outer sheath can move up and down to adjust the spacing between the valve body and the manhole cover, adapting to different buried depths.
It realizes flexible adjustment of valve height, adapts to different burial depths, simplifies the processing and classification process, and improves applicability.
Smart Images
Figure CN222836354U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gas pipelines, in particular to a height-adjustable directly buried PE valve. Background Art
[0002] PE ball valves are widely used in urban gas pipelines due to their advantages such as no corrosion, no external leakage of the integral valve body, anti-aging, long life, direct burial, and convenient connection with PE pipe network. During construction, valve well protection operation caps are generally built. However, due to different design burial depths, the required heights of PE valves are also different, so it is often necessary to design different sizes of casings on the upper side of the valve body, which increases the burden of processing and classification. Utility Model Content
[0003] The purpose of the utility model is to avoid the deficiencies of the prior art and provide a height-adjustable directly buried PE valve, thereby effectively solving the deficiencies in the prior art.
[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a height-adjustable direct-buried PE valve, comprising a valve body, an inner casing tube is arranged on the upper side of the valve body, an operating cap is arranged on the top of the inner casing tube, an outer casing tube is sleeved on the outer side of the inner casing tube, a manhole cover is arranged on the top of the outer casing tube, the outer casing tube can be movably arranged on the inner casing tube up and down, and a height adjustment mechanism is arranged on the inner casing tube to cooperate with the outer casing tube.
[0005] Furthermore, the height adjustment mechanism includes a plurality of limit plates circumferentially arranged at the bottom of the inner sheath tube, a plurality of slots are vertically arranged in parallel on one side of the limit plates, a plurality of slots cooperating with the limit plates are arranged at the bottom of the outer sheath tube, and a plurality of slots are vertically arranged on one side of the limit plates close to the slots.
[0006] Furthermore, two limiting plates are arranged at the bottom of the inner protective sleeve tube along the circumferential direction, and two retaining plates are arranged at the bottom of the outer protective sleeve tube.
[0007] Furthermore, a sealing ring is provided between the outer sheath tube and the inner sheath tube.
[0008] Furthermore, a cavity is arranged inside the sealing ring, and a side hole for injecting sealing liquid into the cavity is arranged on the side wall of the outer sheath tube, and a plugging cover is arranged at the side hole.
[0009] The above technical solution of the utility model has the following beneficial effects: the utility model arranges an outer casing tube on the inner casing tube, and can adjust the position of the outer casing tube relative to the inner casing tube, and adjust the distance between the valve body and the manhole cover, so as to adapt to different burial depths and has strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a cross-sectional schematic diagram of an embodiment of the utility model;
[0011] Figure 2 for Figure 1 The enlarged view of point A in the middle;
[0012] Figure 3 It is a three-dimensional schematic diagram of the height adjustment mechanism of the utility model;
[0013] Figure 4 It is a three-dimensional schematic diagram of the clamping plate of an embodiment of the utility model. DETAILED DESCRIPTION
[0014] The following is a detailed description of the preferred implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.
[0015] In the description of the present utility model, unless otherwise specified, "multiple" means two or more than two; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0016] like Figure 1-4 As shown, a height-adjustable direct-buried PE valve of this embodiment includes a valve body 1, an inner casing tube 2 is arranged on the upper side of the valve body 1, an operating cap 3 is arranged on the top of the inner casing tube 2, an outer casing tube 4 is sleeved on the outer side of the inner casing tube 2, a manhole cover 5 is arranged on the top of the outer casing tube 4, the outer casing tube 4 can be movably arranged on the inner casing tube 2 up and down, and a height adjustment mechanism is arranged on the inner casing tube 2 to cooperate with the outer casing tube 4; when buried, the position of the outer casing tube 4 relative to the inner casing tube 2 can be adjusted, and the distance between the valve body 1 and the manhole cover 5 can be adjusted, so that the burial depth of different positions can be adapted, and the applicability is strong;
[0017] Preferably, the height adjustment mechanism includes a plurality of limit plates 6 arranged circumferentially at the bottom of the inner casing tube 2, a plurality of slots 7 are arranged vertically in parallel on one side of the limit plate 6, a plurality of position plates 8 cooperating with the limit plate 6 are arranged at the bottom of the outer casing tube 4, and a plurality of clamping plates 9 are arranged vertically on one side of the clamping plate 8 close to the slot 7; before burying, the required spacing between the manhole cover 5 and the valve body 1 can be determined according to the burial depth, and then the clamping plates 9 can be clamped on the slots 7 at different heights to change the overall length; the operation method is to extend the clamping plates 8 to the gap between the limit plates 6 until the clamping plates 9 are aligned with the required corresponding slots 7, and then rotate the outer casing tube 4 so that the clamping plates 9 are clamped into the slots 7 to complete the height adjustment action of the outer casing tube 4 on the inner casing tube 2; after adjustment, the whole is buried underground, and the soil can be filled to prevent the outer casing tube 4 and the inner casing tube 2 from rotating relative to each other to ensure that the clamping plates 9 do not separate from the slots 7;
[0018] Preferably, two limiting plates 6 are provided at the bottom of the inner sheath tube 2 along the circumferential direction, and two retaining plates 8 are provided at the bottom of the outer sheath tube 4;
[0019] Preferably, a sealing ring 10 is provided between the outer casing tube 4 and the inner casing tube 2. When the valve is buried underground, water may seep inward along the gap between the outer casing tube 4 and the inner casing tube 2. The sealing ring 10 can prevent the infiltration of groundwater.
[0020] Preferably, a cavity 11 is provided inside the sealing ring 10, and a side hole 12 for injecting sealing liquid into the cavity 11 is provided on the side wall of the outer casing tube 4, and a plugging cover 13 is provided at the side hole 12. The cavity 11 is provided inside the sealing ring 10. When the outer casing tube 4 and the inner casing tube 2 move relative to each other, the sealing ring 10 is in a relaxed state. After adjustment is completed, before burying, sealing oil is injected into the cavity 11 through the side hole 12 to tighten the sealing ring 10, and the gap between the outer casing tube 4 and the inner casing tube 2 is sealed, and then the plugging cover 13 is plugged to bury the valve.
[0021] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.
Claims
1. A height-adjustable direct-buried PE valve, comprising a valve body, an inner protective sleeve tube is arranged on the upper side of the valve body, and an operating cap is arranged on the top of the inner protective sleeve tube, characterized in that: The outer side of the inner casing tube is sleeved with an outer casing tube, the top of the outer casing tube is provided with a manhole cover, the outer casing tube is movably arranged on the inner casing tube up and down, and the inner casing tube is provided with a height adjustment mechanism to cooperate with the outer casing tube.
2. The height-adjustable buried PE valve according to claim 1, characterized in that: The height adjustment mechanism includes a plurality of limit plates circumferentially arranged at the bottom of the inner sheath tube, a plurality of slots are vertically arranged in parallel on one side of the limit plates, a plurality of slots cooperating with the limit plates are arranged at the bottom of the outer sheath tube, and a plurality of slots are vertically arranged on one side of the limit plates close to the slots.
3. The height-adjustable buried PE valve according to claim 2, characterized in that: Two limiting plates are arranged at the bottom of the inner protective sleeve tube along the circumferential direction, and two locking plates are arranged at the bottom of the outer protective sleeve tube.
4. The height-adjustable buried PE valve according to claim 1, characterized in that: A sealing ring is arranged between the outer protective sleeve tube and the inner protective sleeve tube.
5. The height-adjustable buried PE valve according to claim 4, characterized in that: A cavity is arranged inside the sealing ring, and a side hole for injecting sealing liquid into the cavity is arranged on the side wall of the outer sheath tube, and a plugging cover is arranged at the side hole.