Connecting device for drainage pipeline construction

Abstract

The utility model belongs to the technical field of pipeline construction, and particularly relates to a connecting device for drainage pipeline construction, which comprises two water conveying pipe bodies, a threaded propelling pipe is arranged on one side of one water conveying pipe body, and one side of the threaded propelling pipe is rotatably connected with a rotary connecting seat. One side of the rotary connecting seat is fixedly connected with an annular sealing rubber wall, the other side of the annular sealing rubber wall is fixedly connected with an annular supporting plate, and one end of one water conveying pipe body sequentially penetrates through the threaded propelling pipe, the rotary connecting seat, the annular sealing rubber wall and the annular supporting plate; according to the connecting device, the annular sealing rubber wall can fill the space in the inner bin of the outer wrapping seat, a good sealing environment is formed between the inner bin of the outer wrapping seat and the annular sealing rubber wall, meanwhile, external protection of the whole connecting position can be improved, and the sealing effect of the whole connecting device can be further improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pipeline construction technical field, concretely relates to a connecting device for drainage pipeline construction. BACKGROUND

[0002] When the drainage pipeline is under construction, it is necessary to connect two pipelines by means of a connecting piece. In order to improve the sealing effect of the connection between the two pipelines, a sealing gasket is placed at the connection to increase the sealing between the two pipelines. However, the current connecting piece directly places the sealing gasket at the connection of one of the pipelines. Sometimes, in order to facilitate the placement of the sealing gasket inside the connecting pipeline, the diameter of the sealing gasket is slightly smaller than the inner diameter of the connecting piece. At this time, the sealing effect is reduced, and the alignment of the sealing gasket at the connecting end of the pipeline may not be accurate. SUMMARY

[0003] The utility model provides a connecting device for drainage pipeline construction, which can fill the space in the inner chamber of the outer wrapping seat with the annular sealing rubber wall when connecting the ends of two water conveying pipe bodies, form a good sealing environment between the inner chamber of the outer wrapping seat and the annular sealing rubber wall, and help improve the external protection of the entire connection, and further improve the sealing effect of the entire connecting device.

[0004] The utility model provides the following technical scheme: a connecting device for drainage pipeline construction, including two water conveying pipe bodies, one side of one of the water conveying pipe bodies is provided with a threaded advancing pipe, one side of the threaded advancing pipe is rotatably connected with a rotating connecting seat, one side of the rotating connecting seat is fixedly connected with an annular sealing rubber wall, the other side of the annular sealing rubber wall is fixedly connected with an annular supporting plate, one end of one of the water conveying pipe bodies penetrates the threaded advancing pipe, the rotating connecting seat, the annular sealing rubber wall and the annular supporting plate in sequence, and one end of the other water conveying pipe body is fixedly connected with an outer wrapping seat.

[0005] The inner part of the outer wrapping seat is provided with a communication groove, and one end of the other water conveying pipe body is communicated with the communication groove.

[0006] One side of the threaded advancing pipe is fixedly connected with a connecting installation pipe.

[0007] One side of the connecting installation pipe is fixedly connected with an annular limiting plate.

[0008] The inner part of the outer wrapping seat is fixedly connected with an anti-skid inner wall.

[0009] One side of the anti-skid inner wall is fixedly connected with a supporting side plate.

[0010] The installation groove is arranged in the inside of the annular sealing rubber wall, the rotating connecting seat, the annular supporting plate, the threaded pushing pipe, the connecting installation pipe and the annular limiting plate, and one side of the annular supporting plate is fixedly connected with the end part of the water delivery pipe body.

[0011] The utility model discloses beneficial effects are: in the mutual cooperation of annular sealing rubber wall, rotating connecting seat, annular supporting plate and outer wrapping seat, can when the end part between two water delivery pipe bodies is connected, make annular sealing rubber wall can fill the space in the inner storehouse of outer wrapping seat, make the inner storehouse of outer wrapping seat and annular sealing rubber wall form good sealed environment, simultaneously through the wrapping of outer wrapping seat outside annular sealing rubber wall and threaded pushing pipe, can help to promote the external protection of whole connecting place, and can further promote the sealing effect of whole connecting device.

[0012] The part not involved in the device is same as the prior art or can be realized by using the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is main view cross section structure schematic diagram of the utility model;

[0014] Figure 2 It is main view cross section structure schematic diagram of the utility model in two water delivery pipe bodies alignment after;

[0015] Figure 3 It is main view cross section structure schematic diagram of the utility model in two water delivery pipe bodies connection after;

[0016] Figure 4 It is three-dimensional schematic diagram between outer wrapping seat and antiskid inner wall, supporting side plate in the utility model.

[0017] In the drawing: 1, threaded pushing pipe; 11, connecting installation pipe; 12, annular limiting plate; 2, annular sealing rubber wall; 21, rotating connecting seat; 22, annular supporting plate; 23, installation groove; 3, outer wrapping seat; 31, communicating groove; 32, antiskid inner wall; 321, supporting side plate; 4, water delivery pipe body. DETAILED DESCRIPTION

[0018] Please refer to Figures 1-4The utility model provides the following technical scheme: a connecting device for sewer pipeline construction, two water delivery pipe bodies 4 are included, one side of one water delivery pipe body 4 is equipped with threaded propulsion pipe 1, one side of threaded propulsion pipe 1 is rotatably connected with rotary joint seat 21, and one side of rotary joint seat 21 is fixedly connected with annular sealing rubber wall 2, the other side of annular sealing rubber wall 2 is fixedly connected with annular support plate 22, and one end of one water delivery pipe body 4 is in turn penetrated threaded propulsion pipe 1, rotary joint seat 21, annular sealing rubber wall 2, annular support plate 22, and the other water delivery pipe body 4 is fixedly connected with outer wrapping seat 3.

[0019] In this embodiment: the water pipe body 4 is the basic connection in the whole connection device, which is used to provide a connection carrier for each workpiece, and the threaded push pipe 1 on one side of one of the water pipe bodies 4 is used to provide a connection carrier for the rotating connection seat 21, while the threaded push pipe 1 is connected with the water pipe body 4 through threads, and the rotating connection seat 21 is used to provide a rotating connection carrier between the annular sealing rubber wall 2 and the threaded push pipe 1, the annular support plate 22 on the other side of the annular sealing rubber wall 2 is used to increase the support force of the contact surface between the annular sealing rubber wall 2 and the outer wrapping seat 3, at this time the annular sealing rubber wall 2 forms a sealing assembly for sealing the connection between the pipe connection parts under the cooperation of the rotating connection seat 21 and the annular support plate 22, and the outer wrapping seat 3 on the other water pipe body 4 is used to limit the alignment of the two water pipe bodies 4, and can form wrapping outside the annular sealing rubber wall 2, so that the annular sealing rubber wall 2 can be in a good sealing environment when connecting the two water pipe bodies 4, and when connecting the two water pipe bodies 4, the threaded push pipe 1 is first rotated outside the water pipe body 4, and when the threaded push pipe 1 is screwed and moved to one end of the water pipe body 4, the threaded push pipe 1 can extrude the annular sealing rubber wall 2 during the movement to the end of the water pipe body 4, and at the same time extrude the annular sealing rubber wall 2 into the inner compartment of the outer wrapping seat 3, and when the annular sealing rubber wall 2 is compressed and compressed into the inner compartment of the outer wrapping seat 3, the annular sealing rubber wall 2 can fill the inner compartment space of the outer wrapping seat 3, so that the inner compartment of the outer wrapping seat 3 can be in a good sealing environment, and during use the annular sealing rubber wall 2 can be extruded and maintained inside the outer wrapping seat 3 under the action of the threaded push pipe 1, and can maintain a good sealing state inside the outer wrapping seat 3, and during the displacement of the threaded push pipe 1 outside the water pipe body 4 by screwing, the annular sealing rubber wall 2 and the threaded push pipe 1 can be rotated by the rotation of the rotating connection seat 21 to avoid the annular sealing rubber wall 2 from being twisted during the rotation of the threaded push pipe 1, and the end connection between the two water pipe bodies 4 can be completed by rotating the threaded push pipe 1 into the inner compartment of the outer wrapping seat 3, and under the cooperation of the annular sealing rubber wall 2, the rotating connection seat 21, the annular support plate 22 and the outer wrapping seat 3, the annular sealing rubber wall 2 can fill the space in the inner compartment of the outer wrapping seat 3 when connecting the ends of the two water pipe bodies 4, so that a good sealing environment is formed between the inner compartment of the outer wrapping seat 3 and the annular sealing rubber wall 2, and the wrapping of the outer wrapping seat 3 outside the annular sealing rubber wall 2 and the threaded push pipe 1 can help improve the external protection of the whole connection and further improve the sealing effect of the whole connection device.And through the threaded advancement pipe 1 in the outside of the water pipe body 4 is screwed to complete the adjustment of the position of the annular sealing rubber wall 2, can facilitate the operation of the staff.

[0020] The inside of the outer wrapping seat 3 is provided with a communication groove 31, and the other end of the water pipe body 4 is communicated with the communication groove 31; wherein the communication groove 31 is used to provide a communication channel between the water pipe body 4 and the outer wrapping seat 3.

[0021] One side of the threaded advancement pipe 1 is fixedly connected with a connecting mounting pipe 11; wherein the connecting mounting pipe 11 is used to provide a connecting carrier for the threaded advancement pipe 1 and the annular limiting plate 12.

[0022] One side of the connecting mounting pipe 11 is fixedly connected with the annular limiting plate 12; wherein the annular limiting plate 12 is used to limit the rotating position of the threaded advancement pipe 1, and is used to be fixed between the outer wrapping seat 3.

[0023] The inside of the outer wrapping seat 3 is fixedly connected with an anti-skid inner wall 32; wherein the anti-skid inner wall 32 is used to improve the sealing effect between the annular sealing rubber wall 2.

[0024] One side of the anti-skid inner wall 32 is fixedly connected with a supporting side plate 321; wherein the supporting side plate 321 is used to improve the supporting force of the contact surface between the anti-skid inner wall 32 and the annular sealing rubber wall 2.

[0025] The inside of the annular sealing rubber wall 2, the rotating connecting seat 21, the annular supporting plate 22, the threaded advancement pipe 1, the connecting mounting pipe 11 and the annular limiting plate 12 are all provided with an installation groove 23, and one side of the annular supporting plate 22 is fixedly connected with the end of the water pipe body 4; wherein the installation groove 23 is used to provide an installation space for the installation of the water pipe body 4.

[0026] The utility model discloses a working principle and use flow: when connecting the connecting place between two water pipe bodies 4, first of all, rotate threaded push -on pipe 1 on the outside of water pipe body 4 at this time, and when threaded push -on pipe 1 is rotated on the outside of water pipe body 4 and moves to the one end of water pipe body 4, threaded push -on pipe 1 can extrude annular sealing rubber wall 2 in the process of moving to the end of water pipe body 4, and simultaneously extrude annular sealing rubber wall 2 to the inner storehouse of outer wrapping seat 3, and when annular sealing rubber wall 2 receives pressurization and compresses to the inner storehouse of outer wrapping seat 3, annular sealing rubber wall 2 can fill the inner storehouse space of outer wrapping seat 3 at this time, so that the inner storehouse of outer wrapping seat 3 can be in good sealing environment, until threaded push -on pipe 1 rotates to the inner storehouse of outer wrapping seat 3, annular limiting plate 12 is located at the outside of outer wrapping seat 3 at this time, then fixed between outer wrapping seat 3 and annular limiting plate 12 through fixing piece, when the connection installation between two water pipe bodies 4 is completed, the passage is formed between two water pipe bodies 4 through intercommunication groove 31, installation groove 23.

Claims

1. A connecting device for sewer construction comprising two water pipes (4), characterized in that: One side of the water pipe body (4) is provided with a threaded push pipe (1), one side of the threaded push pipe (1) is rotatably connected with a rotating connecting seat (21), one side of the rotating connecting seat (21) is fixedly connected with an annular sealing rubber wall (2), the other side of the annular sealing rubber wall (2) is fixedly connected with an annular supporting plate (22), and one end of one of the water pipe bodies (4) penetrates the threaded push pipe (1), the rotating connecting seat (21), the annular sealing rubber wall (2), and the annular supporting plate (22) in sequence, and one end of the other water pipe body (4) is fixedly connected with an outer wrapping seat (3).

2. A connecting device for sewer construction according to claim 1, characterized in that: The inner part of the outer wrapping seat (3) is provided with a communication groove (31), and one end of the other water pipe body (4) is communicated with the communication groove (31).

3. A connecting device for sewer construction according to claim 1, characterized in that: One side of the threaded push pipe (1) is fixedly connected with a connecting installation pipe (11).

4. A jointing device for use in the construction of a drainage conduit according to claim 3, characterised in that: One side of the connecting installation pipe (11) is fixedly connected with an annular limiting plate (12).

5. A connecting device for sewer construction according to claim 1, characterized in that: The inner part of the outer wrapping seat (3) is fixedly connected with an anti-skid inner wall (32).

6. A jointing device for use in the construction of a drainage conduit according to claim 5, characterised in that: One side of the anti-skid inner wall (32) is fixedly connected with a supporting side plate (321).

7. A connecting device for sewer construction according to claim 4, characterized in that: The inner part of the annular sealing rubber wall (2), the rotating connecting seat (21), the annular supporting plate (22), the threaded push pipe (1), the connecting installation pipe (11), and the annular limiting plate (12) are all provided with an installation groove (23), and one side of the annular supporting plate (22) is fixedly connected with the end of the water pipe body (4).

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