Water supply and drainage engineering pipeline connecting device

Abstract

The utility model discloses a water supply and drainage engineering pipeline connecting device which comprises a first drainage pipe and a second drainage pipe, an upper connecting sleeve is arranged on the upper side wall of the connecting position of the first drainage pipe and the second drainage pipe, and a lower connecting sleeve is arranged on the lower side wall of the connecting position of the first drainage pipe and the second drainage pipe. A rear fixing sleeve and a front fixing sleeve are installed on the outer side walls of the upper connecting sleeve and the lower connecting sleeve and located between the two first connecting flanges. The upper side walls and the lower side walls of the rear fixing sleeve and the front fixing sleeve are fixedly connected with second connecting flanges, and the inner side walls of the upper connecting sleeve and the lower connecting sleeve and the outer side of the joint of the first drainage pipe and the second drainage pipe are filled with water-absorbent resin. According to the utility model, the connecting gaps between the water-absorbent resin and the drainage pipes are in contact, and the water-absorbent resin expands after absorbing water, so that the sealing performance between the two drainage pipes is effectively improved, and the connecting effect of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of water supply and drainage, in particular to a water supply and drainage engineering pipeline connecting device. Background Art

[0002] Water supply and drainage pipeline engineering is a pipe (channel) system engineering that transports and distributes industrial water supply and drinking water, and collects, transports and discharges industrial wastewater, domestic sewage and rainwater. It is an integral part of the water supply and drainage system and plays an important role in the entire water supply and drainage system. In the construction process of water supply and drainage pipeline engineering, a water supply and drainage pipeline is needed, and in the process of connecting two water supply and drainage pipelines, a water supply and drainage engineering pipeline connection device is often required.

[0003] However, in the existing water supply and drainage engineering pipeline connection device, the connection gaps between the pipelines are prone to leakage during use, affecting the connection effect between the drainage pipes. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a water supply and drainage engineering pipe connection device. The device is provided with a water-absorbing resin and a sealing layer. The sealing layer melts when heated, thereby allowing the water-absorbing resin to contact the connection gap between the drainage pipes. The water-absorbing resin expands after absorbing water, effectively improving the sealing between the two drainage pipes and enhancing the connection effect of the device.

[0005] The device is provided with a fixing sleeve and a connecting sleeve. The fixing sleeve can effectively fix the two drainage pipes, and the fixing sleeve can effectively fix the two connecting sleeves, thereby improving the clamping effect and stability of the connecting sleeves.

[0006] The utility model also provides a water supply and drainage engineering pipe connection device as described above, comprising: a first drainage pipe and a second drainage pipe, wherein an upper connecting sleeve is provided on the upper side wall of the connection between the first drainage pipe and the second drainage pipe, and a lower connecting sleeve is provided on the lower side wall of the connection between the first drainage pipe and the second drainage pipe, two sets of first connecting flanges are fixedly connected to the front side wall and the rear side wall of the upper connecting sleeve and the lower connecting sleeve, and a rear fixing sleeve and a front fixing sleeve are installed on the outer side walls of the upper connecting sleeve and the lower connecting sleeve and located between the two first connecting flanges;

[0007] The upper side wall and the lower side wall of the rear fixing sleeve and the front fixing sleeve are fixedly connected with a second connecting flange, the inner side walls of the upper connecting sleeve and the lower connecting sleeve and the outer side of the connection between the first drain pipe and the second drain pipe are filled with water-absorbing resin, and the inner side walls of the upper connecting sleeve and the lower connecting sleeve and the side of the water-absorbing resin close to the first drain pipe or the second drain pipe are coated with a sealing layer.

[0008] According to the water supply and drainage engineering pipeline connection device, the first drainage pipe and the second drainage pipe cooperate with each other, which can effectively reduce the fitting gap between the first drainage pipe and the second drainage pipe.

[0009] According to the water supply and drainage engineering pipeline connection device, the upper connecting sleeve and the lower connecting sleeve cooperate with each other, and the first connecting flange on each upper connecting sleeve cooperates with the first connecting flange on a lower connecting sleeve, which facilitates fixing the upper connecting sleeve and the lower connecting sleeve.

[0010] According to the water supply and drainage engineering pipeline connection device, a fixing hole is provided in the middle of each first connecting flange to facilitate fixation between the first connecting flanges, and a fixing groove is provided in the middle of each second connecting flange to facilitate fixation between the second connecting flanges.

[0011] According to the water supply and drainage engineering pipeline connection device, the second connection flange on each of the rear fixing sleeves cooperates with the second connection flange on a front fixing sleeve, so as to facilitate fixing of the front fixing sleeve and the rear fixing sleeve.

[0012] According to the water supply and drainage engineering pipe connection device, the inner side walls of the upper connecting sleeve and the lower connecting sleeve are fixedly connected with a sealing inner gasket, which improves the sealing effect between the upper connecting sleeve and the lower connecting sleeve and the drainage pipe.

[0013] According to the described water supply and drainage engineering pipeline connection device, the outer side walls of the upper connecting sleeve and the lower connecting sleeve are provided with matching outer grooves, and the inner side walls of the rear fixing sleeve and the front fixing sleeve are fixedly connected with limiting protrusions, and the limiting protrusions cooperate with the matching outer grooves to facilitate the fixation of the connecting sleeve and the fixing sleeve.

[0014] According to the water supply and drainage engineering pipeline connection device, the front fixing sleeve and the rear fixing sleeve are both made of heat-conducting material, which is convenient for transferring heat to the sealing layer. The sealing layer is made of PE wax and will melt when heated.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is a structural diagram of a water supply and drainage engineering pipeline connection device of the utility model;

[0018] Figure 2 This is a cross-sectional schematic diagram of a water supply and drainage engineering pipeline connection device of the utility model;

[0019] Figure 3 This is a top view schematic diagram of a water supply and drainage engineering pipeline connection device of the utility model;

[0020] Figure 4 This is a front schematic diagram of a water supply and drainage engineering pipeline connection device of the utility model.

[0021] Legend:

[0022] 1. First drain pipe; 2. Second drain pipe; 3. Upper connecting sleeve; 301. First connecting flange; 302. Fixing hole; 303. Matching outer groove; 304. Sealing inner gasket; 305. Water-absorbing resin; 306. Sealing layer; 4. Lower connecting sleeve; 5. Rear fixing sleeve; 501. Second connecting flange; 502. Fixing groove; 503. Limiting protrusion; 6. Front fixing sleeve. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0024] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed and operate in a specific direction. Therefore, they should not be understood as limiting the present invention. The terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In addition, unless otherwise expressly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, they can be fixed connections, detachable connections, or integral connections; they can be mechanical connections or electrical connections; they can be direct connections, indirect connections through an intermediate medium, or internal connections between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Reference Figure 1-4 The embodiment of the utility model is a water supply and drainage engineering pipeline connection device, which includes: a first drainage pipe 1 and a second drainage pipe 2. The first drainage pipe 1 and the second drainage pipe 2 are matched with each other, which can effectively reduce the matching gap between the first drainage pipe 1 and the second drainage pipe 2.

[0026] An upper connecting sleeve 3 is provided on the upper side wall at the connection between the first drain pipe 1 and the second drain pipe 2, and a lower connecting sleeve 4 is provided on the lower side wall at the connection between the first drain pipe 1 and the second drain pipe 2. The front side wall and the rear side wall of the upper connecting sleeve 3 and the lower connecting sleeve 4 are fixedly connected with two groups of first connecting flanges 301. The outer side walls of the upper connecting sleeve 3 and the lower connecting sleeve 4 and the rear fixing sleeve 5 and the front fixing sleeve 6 are installed between the two first connecting flanges 301. The upper connecting sleeve 3 and the lower connecting sleeve 4 cooperate with each other, and the first connecting flange 301 on each upper connecting sleeve 3 cooperates with the first connecting flange 301 on a lower connecting sleeve 4, so as to facilitate fixing the upper connecting sleeve 3 and the lower connecting sleeve 4. The second connecting flange 501 on each rear fixing sleeve 5 cooperates with the second connecting flange 501 on a front fixing sleeve 6, so as to facilitate fixing the front fixing sleeve 6 and the rear fixing sleeve 5.

[0027] The upper side walls and lower side walls of the rear fixing sleeve 5 and the front fixing sleeve 6 are fixedly connected with the second connecting flange 501, and the inner side walls of the upper connecting sleeve 3 and the lower connecting sleeve 4 and the outer side of the connection between the first drain pipe 1 and the second drain pipe 2 are filled with water-absorbing resin 305, and the inner side walls of the upper connecting sleeve 3 and the lower connecting sleeve 4 and the side of the water-absorbing resin 305 close to the first drain pipe 1 or the second drain pipe 2 are coated with a sealing layer 306. A fixing hole 302 is provided in the middle of each first connecting flange 301 to facilitate fixation between the first connecting flanges 301, and a fixing groove 502 is provided in the middle of each second connecting flange 501 to facilitate fixation between the second connecting flanges 501.

[0028] The inner walls of the upper connecting sleeve 3 and the lower connecting sleeve 4 are fixedly connected with a sealing inner gasket 304 to improve the sealing effect between the upper connecting sleeve 3 and the lower connecting sleeve 4 and the drain pipe. The outer walls of the upper connecting sleeve 3 and the lower connecting sleeve 4 are provided with a matching outer groove 303. The inner walls of the rear fixing sleeve 5 and the front fixing sleeve 6 are fixedly connected with a limiting protrusion 503. The limiting protrusion 503 cooperates with the matching outer groove 303 to facilitate the fixation of the connecting sleeve and the fixing sleeve. The front fixing sleeve 6 and the rear fixing sleeve 5 are both made of heat-conducting material to facilitate the transfer of heat to the sealing layer 306. The sealing layer 306 is made of PE wax and will melt when heated.

[0029] Working principle: When connecting the drain pipes, first, align the first drain pipe 1 with the second drain pipe 2, fit the upper connecting sleeve 3 and the lower connecting sleeve 4 with the outer wall of the drain pipe, and align the water-absorbing resin 305 with the connection between the two drain pipes, and fix the first connecting flange 301 with bolts and nuts. Then, put the front fixing sleeve 5 and the front fixing sleeve 6 on the outer wall of the connecting sleeve, and make the limiting protrusion 503 match with the matching outer groove 303, and fix the second connecting flange 501 with bolts and nuts. Finally, heat the front fixing sleeve 6 and the rear fixing sleeve 5 to transfer heat to the sealing layer 306. The sealing layer 306 melts due to the heat, so that the water-absorbing resin 305 is in direct contact with the connection seam of the two drain pipes.

[0030] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A water supply and drainage engineering pipeline connection device, characterized in that: include: A first drain pipe (1) and a second drain pipe (2), wherein an upper connecting sleeve (3) is provided on the upper side wall of the connection between the first drain pipe (1) and the second drain pipe (2), and a lower connecting sleeve (4) is provided on the lower side wall of the connection between the first drain pipe (1) and the second drain pipe (2), wherein the front side wall and the rear side wall of the upper connecting sleeve (3) and the lower connecting sleeve (4) are fixedly connected with two sets of first connecting flanges (301), and a rear fixing sleeve (5) and a front fixing sleeve (6) are installed on the outer side walls of the upper connecting sleeve (3) and the lower connecting sleeve (4) and located between the two first connecting flanges (301); The upper side wall and the lower side wall of the rear fixing sleeve (5) and the front fixing sleeve (6) are fixedly connected to a second connecting flange (501); the inner side walls of the upper connecting sleeve (3) and the lower connecting sleeve (4) and the outer side of the connection between the first drain pipe (1) and the second drain pipe (2) are filled with a water-absorbing resin (305); and the inner side walls of the upper connecting sleeve (3) and the lower connecting sleeve (4) and the side of the water-absorbing resin (305) close to the first drain pipe (1) or the second drain pipe (2) are coated with a sealing layer (306).

2. A water supply and drainage engineering pipeline connection device according to claim 1, characterized in that: The first drainage pipe (1) and the second drainage pipe (2) are matched with each other.

3. A water supply and drainage engineering pipeline connection device according to claim 1, characterized in that: The upper connecting sleeve (3) and the lower connecting sleeve (4) are matched with each other, and the first connecting flange (301) on each upper connecting sleeve (3) is matched with the first connecting flange (301) on a lower connecting sleeve (4).

4. A water supply and drainage engineering pipeline connection device according to claim 1, characterized in that: A fixing hole (302) is provided in the middle of each first connecting flange (301), and a fixing groove (502) is provided in the middle of each second connecting flange (501).

5. A water supply and drainage engineering pipeline connection device according to claim 1, characterized in that: The second connecting flange (501) on each rear fixing sleeve (5) matches the second connecting flange (501) on a front fixing sleeve (6).

6. A water supply and drainage engineering pipeline connection device according to claim 1, characterized in that: The inner side walls of the upper connecting sleeve (3) and the lower connecting sleeve (4) are fixedly connected with a sealing inner gasket (304).

7. A water supply and drainage engineering pipeline connection device according to claim 1, characterized in that: The outer side walls of the upper connecting sleeve (3) and the lower connecting sleeve (4) are provided with a matching outer groove (303), and the inner side walls of the rear fixing sleeve (5) and the front fixing sleeve (6) are fixedly connected with a limiting protrusion (503), and the limiting protrusion (503) is matched with the matching outer groove (303).

8. A water supply and drainage engineering pipeline connection device according to claim 1, characterized in that: The front fixing sleeve (6) and the rear fixing sleeve (5) are both made of heat-conducting material, and the sealing layer (306) is made of PE wax.

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