Cover plate structure of rural in-house type septic tank

Abstract

The utility model relates to a cover plate structure of a rural house type septic tank. The cover plate structure comprises a cover plate and a fixed frame used for being fixed at an opening in the top of the septic tank, the fixed frame comprises a fixed outer frame fixed at an opening in the top of the septic tank and at least one cleaning port support frame for mounting a cleaning port; the cleaning opening supporting frame is fixedly connected with the fixed outer frame through at least three connecting rods; one side of the fixed outer frame is pivoted with a hinge seat fixed at the top opening of the septic tank, and the other opposite side of the fixed outer frame is connected with a female buckle of the plug-in type fastener at the top opening of the septic tank on the corresponding side through a male buckle of the plug-in type fastener; the cover plate is made of structural ceramsite lightweight aggregate concrete, one end of the cover plate is connected with one end of the fixed outer frame through a hinge, the other end of the cover plate is buckled on the inner side of the fixed outer frame, a stainless steel chain is fixed to the bottom face of the other end of the cover plate, and the free end of the stainless steel chain is placed outside the fixed outer frame through a notch of the fixed outer frame. The strength is high, the weight is light, and mounting and moving are convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of civil finished septic tanks, and in particular relates to a cover plate structure of a rural household septic tank. Background Art

[0002] With the construction of new rural areas across the country, toilet renovations are increasing. Currently, most toilets are renovated by digging septic tanks buried in farmers' courtyards. Most of the septic tanks are covered with ordinary, simple cement boards or covers made from floor slabs. Only a cleaning port is opened on the cover, with a diameter of no more than 50 cm, but also 35 cm or 40 cm, depending on the size of the cleaning tool used by the excrement collector, that is, the size of the scoop head of the excrement scoop.

[0003] The obvious defect of this cover is that it cannot be unified and cannot form a standard, resulting in occasional tool replacement requirements during cleaning, especially during the annual large-scale cleaning and disinfection operations, the cover needs to be uncovered and moved away. Because it is a cement board or floor slab, it is relatively heavy and requires more manpower. If you are not careful, people often fall into the septic tank, causing great inconvenience and harm to people, causing some villagers to be unwilling to rebuild dry toilets, which hinders the work of village cadres. Seriously affecting the improvement of rural environment. Utility Model Content

[0004] The utility model aims to provide a rural household septic tank cover structure to overcome the many defects of the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides a rural household septic tank cover structure, including a cover and a fixing frame for fixing at the top opening of the septic tank;

[0006] The fixed frame includes a fixed outer frame fixed at the top opening of the septic tank and at least one cleaning port support frame for installing the cleaning port; the cleaning port support frame is fixedly connected to the fixed outer frame through at least three connecting rods;

[0007] One side of the fixed outer frame is pivotally connected to a hinge seat fixed at the top opening of the septic tank, and the other side of the fixed outer frame is connected to the female buckle of the plug-in buckle at the top opening of the septic tank on the corresponding side through the male buckle of the plug-in buckle;

[0008] The cover plate is made of structural ceramsite lightweight aggregate concrete, and one end of the cover plate is connected to one end of the fixed outer frame by a hinge, and the other end of the cover plate is buckled on the inner side of the fixed outer frame, and a stainless steel chain is fixed to the bottom surface of the other end of the cover plate, and the free end of the stainless steel chain is placed outside the fixed outer frame through the notch on the corresponding side of the fixed outer frame;

[0009] The two ends of the cover plate are perpendicular to a line connecting two opposite sides of the fixed outer frame.

[0010] Compared with the prior art, the utility model has the characteristics of light bulk density, low water absorption, good heat preservation, heat insulation, seismic resistance, high strength and light weight, can greatly reduce the dead weight of the structure, reduce the foundation load, reduce the comprehensive cost, and is convenient for installation, lifting and moving. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of fixed outer frame installation.

[0012] Figure 2 It is a schematic diagram of the matching of the cover plate and the fixed outer frame.

[0013] Figure 3 It is a schematic diagram of the cleaning port and the matching conical plug assembly.

[0014] Explanation of the reference numerals: 0. Foundation; 1. Cover plate; 2. Fixed outer frame; 3. Cleaning port support frame; 4. Articulated seat; 5. Stainless steel chain; 6. Notch; 7. Air spring; 8. Cleaning port; 9. Extension port; 10. Conical plug; 11. Pull rope. DETAILED DESCRIPTION

[0015] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose, the specific implementation methods, structural features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and embodiments.

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "aligned", "overlap", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do 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 should not be understood as a limitation on the present invention.

[0018] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features; in the description of the present utility model, unless otherwise specified, "plurality" means two or more.

[0019] This embodiment provides a rural household septic tank cover structure, comprising: Figure 2 The cover plate 1 shown in the figure, and a fixing frame for fixing at the top opening of the septic tank; and the fixing frame includes a fixing at the top opening of the septic tank Figure 1 The fixed outer frame 2 shown in the figure and at least one cleaning port support frame 3 for installing the cleaning port; the cleaning port support frame 3 is fixedly connected to the fixed outer frame 2 through at least three connecting rods, Figure 1 As shown in the figure, it is fixedly connected to the corresponding side inner walls of the fixed outer frame 2 by four connecting rods. In practice, the edges of the adjacent two sides of the cleaning port support frame 3 can also be welded to the inner wall of the fixed outer frame 2 according to the actual site or usage habits, or a supporting triangle steel can be welded on the inner wall of the fixed outer frame 2, and then the cleaning port support frame 3 is welded to the supporting triangle steel. The purpose of selecting four connecting rods in this embodiment is to support the cleaning port support frame 3 while preparing for supporting the cover plate 1, so that the connecting rods can also serve as the supporting frame of the cover plate 1. In this way, there is no need to configure a supporting frame of the cover plate 1 externally, which is beneficial to reduce the weight of the entire septic tank cover plate structure, facilitate operation and later maintenance, cleaning and movement, and at the same time help to improve the safety of the operation.

[0020] Depend on Figure 2 It can be seen that one side of the fixed outer frame 2 is pivotally connected to the hinged seat 4 fixed at the top opening of the septic tank, and the other side of the fixed outer frame 2 is connected to the female buckle of the plug-in fastener at the top opening of the septic tank on the corresponding side through the male buckle of the plug-in fastener; the hinged seat and plug-in fastener (similar to the buckle on the strap) involved here can all be finished products sold on the market, without the need for additional design.

[0021] The cover plate 1 is made of structural ceramsite lightweight aggregate concrete, mainly because this type of concrete has the characteristics of high strength and light weight, which is conducive to further reducing the weight of the entire septic tank cover plate structure and facilitating manual operations, especially in the later cleaning of the septic tank (disinfection operations), the manpower requirements are greatly reduced, and the safety of the operation is improved. And in order to further facilitate operation and improve the safety of operations, in this embodiment, one end of the cover plate 1 is connected to one end of the fixed outer frame 2 by a hinge, and the other end of the cover plate 1 is buckled on the inner side of the fixed outer frame 2 (a limiting support block can be set on the inner wall of the fixed outer frame 2 on this side to enhance the support and limitation of the cover plate). At the same time, a bottom surface of the other end of the cover plate 1 is fixed. Figure 2The stainless steel chain 5 shown in the figure has a free end placed outside the fixed outer frame 2 through a notch 6 (i.e., a gap) on the corresponding side of the fixed outer frame 2. That is, through the notch 6, the free end of the stainless steel chain 5 is placed outside the fixed outer frame 2 for easy pulling. That is, when the cover plate 1 needs to be opened later, the stainless steel chain 5 is pulled to lift the cover plate 1 so that it is separated from the fixed outer frame 2, which is convenient for manual further pushing of the cover plate. It should be noted that Figure 2 It can be clearly seen that the two ends of the cover plate 1 are perpendicular to the connecting line of the two opposite sides of the fixed outer frame 2 .

[0022] In order to save more effort, in this embodiment, an air spring 7 is provided on both sides of the bottom surface of the cover plate 1 to provide an auxiliary lifting force when the cover plate 1 is lifted by the stainless steel chain 5 and prevent the cover plate 1 from falling suddenly. Figure 2 It can be seen that the sleeve base of the air spring 7 is fixed on the fixed outer frame 2 and away from one end of the stainless steel chain 5, and the telescopic rod of the air spring 7 is fixed on the cover plate 1 and adjacent to one end of the stainless steel chain 5 through a fixing seat.

[0023] In order to facilitate regular cleaning of the septic tank, a cleaning port 8 installed at the cleaning port support frame 3 is generally opened on the cover plate 1, and the cleaning port 8 is Figure 3 The bell mouth shown is a bell mouth shape with the bell mouth facing outward, and a straight extension mouth 9 is provided on the bell mouth; the small end of a conical plug 10 is inserted into the bell mouth, and a gap is left between the small end and the extension mouth 9, which is used as a ventilation gap, and it is also convenient to use tools such as a crowbar, an iron rod, and a wooden stick to pry up the conical plug 10. Of course, the top of the conical plug 10 can also be fixed to the fixing hole on one side of the extension mouth 9 by a pulling rope 11 to prevent the conical plug 10 from accidentally falling into the septic tank.

[0024] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A rural household septic tank cover structure, comprising a cover (1), characterized in that: Also included is a fixing frame for fixing to the top opening of the septic tank; The fixed frame comprises a fixed outer frame (2) fixed at the top opening of the septic tank and at least one cleaning port support frame (3) for installing a cleaning port, wherein the cleaning port support frame (3) is fixedly connected to the fixed outer frame (2) via at least three connecting rods; One side of the fixed outer frame (2) is pivotally connected to a hinge seat (4) fixed at the top opening of the septic tank, and the other side of the fixed outer frame (2) is connected to the female buckle of the plug-in fastener at the top opening of the septic tank on the corresponding side via the male buckle of the plug-in fastener; The cover plate (1) is made of structural ceramsite lightweight aggregate concrete, and one end of the cover plate (1) is connected to one end of the fixed outer frame (2) by a hinge, the other end of the cover plate (1) is buckled on the inner side of the fixed outer frame (2), and a stainless steel chain (5) is fixed to the bottom surface of the other end of the cover plate (1), and the free end of the stainless steel chain (5) is placed outside the fixed outer frame (2) through a notch (6) on the corresponding side of the fixed outer frame (2); The two ends of the cover plate (1) are perpendicular to the connecting line of the two opposite sides of the fixed outer frame (2).

2. The rural household septic tank cover structure according to claim 1 is characterized in that: An air spring (7) is disposed on each side of the bottom surface of the cover plate (1) to provide an auxiliary lifting force when the cover plate (1) is lifted by the stainless steel chain (5) and to prevent the cover plate (1) from falling suddenly; The sleeve base of the air spring (7) is fixed on the fixed outer frame (2) and is away from one end of the stainless steel chain (5), and the telescopic rod of the air spring (7) is fixed on the cover plate (1) through a fixing seat and is adjacent to one end of the stainless steel chain (5).

3. The rural household septic tank cover structure according to claim 1 or 2, characterized in that: The cover plate (1) is provided with a cleaning port (8) installed at the cleaning port support frame (3), and the cleaning port (8) is in the shape of a bell mouth with the bell mouth facing outwards, and a straight extension port (9) is provided on the bell mouth; The small end of a conical plug (10) is inserted into the bell mouth, and a gap is left between the small end of the conical plug (10) and the extension mouth (9).

4. The rural household septic tank cover structure according to claim 3 is characterized in that: The top of the conical plug (10) is fixed to a fixing hole on one side of the extension opening (9) via a pulling rope (11).

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