Pipeline access hole structure

Abstract

The utility model relates to a pipeline access hole structure which comprises a connecting body structure, a sealing cover structure matched with an inner opening of the connecting body structure, and a group of locking rotating pieces arranged between the connecting body structure and the sealing cover structure, the connecting body structure is oval and is composed of an outer connecting body, an inner concave sleeving body and an inner limiting edge arranged on the inner side of the inner concave sleeving body, and assembling ports are formed in the outer connecting body and the inner limiting edge respectively. The sealing cover structure comprises an upper connecting cover body matched with the inner concave sleeving body in shape, a cover body inner face arranged behind the upper connecting cover body and an annular edge sealing body arranged between the cover body inner face and the upper connecting cover body. The connecting body structure and the sealing cover structure of the structure are tightly locked under the action of a plurality of locking rotary pieces and are also convenient to open, meanwhile, rubber is arranged at the butt joint inner periphery of the connecting body structure and the sealing cover structure to guarantee sealing of the inner bottom end, the outer side of the inner connecting body structure is provided with a mounting and connecting protruding edge set, and outer connecting body connection is tighter under the action of the mounting and connecting protruding edge set.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of access hatches, in particular to a pipeline access hatch structure. BACKGROUND

[0002] At present, waterway, line and gasway equipment exist in building pipeline, sometimes faults appear in the process of use, at this moment, the access hatch provides great convenience for the maintenance personnel, the access hatch is generally preset in the building pipeline, and the maintenance personnel can stop the operation of the switch valve body of the internal waterway, line and gasway through the access hatch to facilitate maintenance.

[0003] However, in the prior art, the pipeline access hatch structure has the technical problems of inconvenient disassembly, poor sealing when closed, difficult manufacturing, unstable connection between parts, and stable assembly. UTILITY MODEL CONTENT

[0004] The utility model discloses a pipeline access hatch structure, which solves the problems of difficult manufacturing, unstable connection between parts, insufficient sealing performance and stable assembly of the existing pipeline access hatch structure.

[0005] The utility model adopts the technical scheme that a pipeline access hatch structure, including connecting body structure and with the inner mouth of connecting body structure adaptation seal cover structure and set between connecting body structure and seal cover structure a group of locking rotating spare, connecting body structure be oval by outside connecting body, inner recessed body and set in the inner limit side of inner recessed body group, in outside connecting body and in each setting of inner limit edge, the interface of attachment, seal cover structure include with the shape matching of inner recessed body upper connecting cover body, set in the back of upper connecting cover body cover body inner face and set between cover body inner face and upper connecting cover body annular seal edge body.

[0006] The inner part of the cover body inner face and the upper connecting cover body is provided with a filling body, and the filling body includes a gypsum filling body, a rubber filling body and a solid wood filling body.

[0007] The outer part of the inner recessed body is provided with a set of attachment convex edge groups.

[0008] The locking rotating spare includes a cover body end buckle spare on the upper part of the one side outside connecting body, a lock pin spare arranged on the upper part of the one side outside connecting body and a connecting rope arranged between the upper connecting cover body and the outside connecting body.

[0009] The utility model discloses a beneficial effect: the connecting body structure of this structure and the cover structure multiple locking rotatable part effect under the close locking also facilitate opening, simultaneously, the connecting body structure and the cover structure are provided with rubber guarantee the sealing of inner bottom end at the butt joint inner periphery, and the outer side of inner connecting body structure is provided with the group of mounting protruding edge, under the group of mounting protruding edge more closely outer connecting body connection.

[0010] The utility model will carry out more detailed description in combination with the drawings and examples. DRAWINGS

[0011] Figure 1 It is the structure schematic diagram of the utility model.

[0012] Figure 2 It is Figure 1 the bottom view.

[0013] Figure 3 It is the structure schematic diagram of the connecting body structure in the utility model.

[0014] Figure 4 It is the rear view of the cover structure in the utility model.

[0015] Figure 5 It is Figure 1 the A-A section view.

[0016] In the drawing: 1. external connecting body, 2. inner concave sleeve body, 3. mounting port, 4. upper connecting cover body, 5. cover body inner face, 6. annular sealing edge body, 7. filling body, 8. mounting protruding edge group, 9. cover body end buckle piece, 10. lock pin piece, 11. connecting rope, 12. inner limiting edge. DETAILED DESCRIPTION

[0017] The orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like in the application text is the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does 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 on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0018] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" 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 a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0019] Example 1, such as Figures 1-5 As shown, a pipe inspection port structure includes a connecting body structure, a cap structure adapted to the inner opening of the connecting body structure, and a set of locking screws between the connecting body structure and the cap structure. The connecting body structure is elliptical and consists of an outer connecting body 1, an inner concave fitting 2, and an inner limiting edge 12 located inside the inner concave fitting 2. An installation interface 3 is provided in both the outer connecting body and the inner limiting edge. The cap structure includes an upper connecting cover 4 matching the shape of the inner concave fitting, an inner surface 5 located behind the upper connecting cover, and an annular sealing edge 6 located between the inner surface of the inner cover and the upper connecting cover. A filler 7 is provided inside the inner surface of the inner cover and the upper connecting cover. The filler includes plaster filler, rubber filler, and solid wood filler. An installation protrusion 8 is provided on the outside of the inner concave fitting.

[0020] The locking mechanism includes a cover end buckle 9 on the upper part of one side of the external connector, a locking pin 10 on the upper part of one side of the external connector, and a connecting rope 11 between the upper connecting cover and the external connector.

[0021] The structure's connecting body and cover are tightly locked by multiple locking screws, making it easy to open. Meanwhile, rubber is provided at the inner circumference of the connection between the connecting body and cover to ensure a seal at the inner bottom. The outer side of the inner connecting body is provided with mounting protrusions, which, under the action of the mounting protrusions, create a tighter connection between the outer body and the connecting body.

[0022] The above embodiments are merely descriptions of preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

[0023] The parts not covered in this utility model are the same as or can be implemented using existing technologies.

Claims

1. A utility access opening structure, characterized by: The utility model relates to a connector structure and a cover structure matched with the connector structure, and a set of locking screws arranged between the connector structure and the cover structure, wherein the connector structure is in an elliptical shape and comprises an outer connector, an inner concave sleeve and an inner limiting edge arranged inside the inner concave sleeve, and an attaching port is arranged in the outer connector and the inner limiting edge; the cover structure comprises an upper connecting cover body matched with the shape of the inner concave sleeve, a cover inner surface arranged behind the upper connecting cover body and an annular sealing edge body arranged between the cover inner surface and the upper connecting cover body.

2. The utility passage structure according to claim 1, wherein: The inner surface of the cover body and the inner part of the upper connecting cover body are provided with a filling body, and the filling body comprises a gypsum filling body, a rubber filling body and a solid wood filling body.

3. The utility access opening structure of claim 2, wherein: The outer part of the inner concave sleeve is provided with an attaching convex edge group.

4. The utility passage structure as recited in claim 2, wherein: The locking screws comprise a cover end buckle arranged on the upper part of the outer connector on one side, a lock pin arranged on the upper part of the outer connector on one side and a connecting rope arranged between the upper connecting cover body and the outer connector.

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