Pipeline connecting structure for municipal water supply

Abstract

The utility model discloses a pipeline connecting structure for municipal water supply, which is applied to the field of pipeline connecting structures and comprises a connecting pipe, connecting flanges are communicated with two ends of the connecting pipe, external pipelines are arranged at two ends of the connecting pipe, and an external flange is communicated with one end, close to the connecting flange, of each external pipeline. The surface of the connecting pipe is symmetrically sleeved with limiting sleeves, and the interiors of the limiting sleeves are symmetrically in threaded connection with limiting seats clamped with an external pipeline; according to the utility model, the limiting sleeve is mounted on the connecting flange, so that when two external pipelines need to be connected together for water supply, only the connecting pipe needs to be placed between the two external pipes, the limiting seat is clamped on the external pipelines, and the limiting sleeve is rotated to be in threaded connection with the two limiting seats; the external flange on the external pipeline and the connecting flange on the connecting pipe are clamped in a contact mode, bolts do not need to be used for screwing, the fatigue degree of workers is reduced, and the situation that follow-up bolts are rusted and difficult to disassemble is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline connection structure field, especially pipeline connection structure for municipal water supply. BACKGROUND

[0002] City water supply system is the component part of city public utility. City water supply system planning is the component part of city overall planning, and city water supply system is usually composed of water source, water delivery pipe, water plant and distribution pipe network. After taking water from the water source, the water is sent into the water plant through the water delivery pipe for water quality treatment, and the treated water is sent to the user through the distribution pipe network after being pressurized, and the water supply pipeline is an important component part in the city water supply system, at present, the water supply pipeline is mostly connected through flanges, and when the flanges are connected, many bolts are needed to screw the flanges on two pipelines together, so as to facilitate the heavy workload of the staff, on the other hand, the effective area of the flange sealing is reduced, and the bolts are also prone to rust, which causes difficulty in disassembly, at the same time, the traditional pipeline connection structure has simple function and can only achieve the purpose of connecting two pipelines together, and cannot filter the impurities in the transported water. After the water source is discharged, it needs to be transported through a long pipeline, and in this process, it may be affected by secondary pollution, and these pollutants may come from silt, rust and other substances in the old pipeline, which will affect the water quality. In order to solve the problems in the above background, the utility model provides a pipeline connection structure for municipal water supply. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a pipeline connection structure for municipal water supply, which has the advantages of convenient installation and impurity filtering.

[0004] The above technical purpose of the utility model is realized by the following technical scheme: a pipeline connection structure for municipal water supply, which comprises a connecting pipe, the both ends of the connecting pipe are communicated with connecting flanges, the both ends of the connecting pipe are provided with external connecting pipes, one end of the external connecting pipe close to the connecting flange is communicated with an external connecting flange, the surface of the connecting pipe is symmetrically sleeved with a limiting sleeve, the inside of the limiting sleeve is symmetrically screw-connected with a limiting seat which is clamped with the external connecting pipe, the surface of the connecting pipe is communicated with a mounting seat, the inside of the mounting seat is provided with a waste discharge groove, the inside of the mounting seat is provided with a clamping plate, and the clamping plate is provided with a filter screen.

[0005] The utility model discloses adopt above -mentioned technical scheme, the utility model discloses through installing the limit sleeve on the connecting flange, when needing connecting two external pipe together to supply water, only need to place the connecting pipe between two external pipes, make the limit seat card in the external pipe, rotate the limit sleeve and two limit seat screw connection, make the external flange on the external pipe and the contact clamping of connecting flange on the connecting pipe, do not need to use bolt fastening, reduce the tired degree of staff and prevent the follow -up bolt rust and be difficult to dismantle, through installing the mounting seat on the connecting pipe, the inside installation of mounting seat has the card board, and the filter screen is installed on the card board, can filter the water source that passes through the inside of connecting pipe, filter the silt rust in its water source, prevent when supplying the user, the water source is influenced, guarantee the cleanliness of water source use.

[0006] The utility model further sets up: the external flange and connecting flange between clamping have sealing ring.

[0007] Adopt above -mentioned technical scheme, seal between external flange and connecting flange.

[0008] The utility model further sets up: the limit sleeve is bolted with annular sliding block, and the connecting flange is seted up with the sliding slot of using with annular sliding block.

[0009] Adopt above -mentioned technical scheme, convenient limit sleeve rotates and limits on connecting flange.

[0010] The utility model further sets up: the surface of limit sleeve is designed with antiskid line, and the limit seat is designed with limit protruding.

[0011] Adopt above -mentioned technical scheme, convenient limit sleeve rotates and limits on connecting flange.

[0012] The utility model further sets up: the inside of mounting seat and the inside of connecting pipe all are seted up with the clamping of card board.

[0013] Adopt above -mentioned technical scheme, convenient card board's limit.

[0014] The utility model further sets up: the surface of card board is bonded with sealing washer, and sealing ring is clamped with card slot.

[0015] Adopt above -mentioned technical scheme, seal card slot.

[0016] The utility model further sets up: the bottom of card board is bolted with fixed block, and the fixed block is connected with mounting seat through bolt.

[0017] Adopt above -mentioned technical scheme, fixed card board.

[0018] The utility model further sets up: the bottom of mounting seat is installed with the exhaust pipe that communicates with exhaust groove, and the surface of exhaust pipe is installed with valve.

[0019] Adopt above-mentioned technical scheme, convenient filter's impurity discharge.

[0020] Summarized above, the utility model has following beneficial effect:

[0021] 1. The utility model discloses a limiting sleeve is installed on the connecting flange, when two external connecting pipes need to be connected together to supply water, only need to place the connecting pipe between two external connecting pipes, make the limiting seat card in the external connecting pipe, rotate the limiting sleeve and two limiting seat screw thread connection, make the external connecting flange on the external connecting pipe and the connecting flange on the connecting pipe contact and clamp tightly, do not need to use bolt fastening, reduce the tired degree of staff and prevent follow -up bolt rust and difficult to disassemble.

[0022] 2. The utility model discloses an installation seat is installed on the connecting pipe, the inside installation of installation seat has the clamping plate, and the filter screen is installed on the clamping plate, can filter the water source that passes through the inside of connecting pipe, filters the silt rust in its water source, prevents when supplying the user, the water source is influenced, guarantees the cleanliness of water source use. DRAWINGS

[0023] Figure 1 It is the overall structure schematic view in the utility model, and

[0024] Figure 2 It is the structure sectional view of partial in the utility model, and

[0025] Figure 3 It is the utility model Figure 2 A place enlarged view in the utility model, and

[0026] Figure 4 It is the structure side view of partial in the utility model, and

[0027] Figure 5 It is the structure side view of clamping plate in the utility model, and

[0028] Figure 6 It is the structure side view of limiting seat in the utility model.

[0029] Reference Signs: 1, connecting pipe, 2, connecting flange, 3, external connecting pipe, 4, external connecting flange, 5, limiting sleeve, 6, limiting seat, 7, installation seat, 8, exhaust groove, 9, clamping plate, 10, filter screen, 11, sealing ring, 12, annular sliding block, 13, sliding slot, 14, anti -slip grain, 15, limiting protruding, 16, clamping groove, 17, sealing gasket, 18, fixed block, 19, exhaust pipe. DETAILED DESCRIPTION

[0030] The utility model will be further explained in detail below with reference to the drawings.

[0031] Embodiment 1

[0032] Reference Figure 1 、 Figure 2 、 Figure 3 and Figure 6 A pipeline connecting structure for municipal water supply, including connecting pipe 1, both ends of connecting pipe 1 are communicated with connecting flange 2, both ends of connecting pipe 1 are provided with external pipeline 3, the end of external pipeline 3 close to connecting flange 2 is communicated with external flange 4, the surface of connecting pipe 1 is symmetrically sleeved with limiting sleeve 5, the inside of limiting sleeve 5 is symmetrically screwed with the limiting seat 6 of external pipeline 3, by installing limiting sleeve 5 on connecting flange 2, when needing to connect two external pipelines 3 together to supply water, only need to place connecting pipe 1 between two external pipelines, make limiting seat 6 be clamped on external pipeline 3, rotate limiting sleeve 5 and be screwed with two limiting seats 6, make the external flange 4 on external pipeline 3 contact and clamp tightly with the connecting flange 2 on connecting pipe 1, do not need to use bolt fastening, reduce the tiredness of staff and prevent subsequent bolt corrosion difficult to disassemble.

[0033] Reference Figure 2 The sealing ring 11 is clamped between the external flange 4 and the connecting flange 2, and the external flange 4 and the connecting flange 2 are sealed by setting the sealing ring 11.

[0034] Reference Figure 2 and Figure 3 The annular sliding block 12 is bolted on the limiting sleeve 5, and the sliding groove 13 is formed in the connecting flange 2 and used in cooperation with the annular sliding block 12, the limiting sleeve 5 is rotated and limited on the connecting flange 2 by setting the annular sliding block 12 and the sliding groove 13.

[0035] Reference Figure 1 The anti-skid lines 14 are designed on the surface of the limiting sleeve 5, and the limiting protrusions 15 are designed on the limiting seat 6, the limiting sleeve 5 is rotated and the limiting seat 6 is limited by setting the anti-skid lines 14 and the limiting protrusions 15.

[0036] The use process is briefly described as follows: after installing the limiting sleeve 5 on the connecting flange 2, when needing to connect two external pipelines 3 together to supply water, only need to place the connecting pipe 1 between the two external pipelines, make the limiting seat 6 be clamped on the external pipeline 3, rotate the limiting sleeve 5 and be screwed with the two limiting seats 6, make the external flange 4 on the external pipeline 3 contact and clamp tightly with the connecting flange 2 on the connecting pipe 1, do not need to use bolt fastening, reduce the tiredness of staff and prevent subsequent bolt corrosion difficult to disassemble.

[0037] Embodiment 2

[0038] ReferenceFigure 1 、 Figure 2 、 Figure 4 and Figure 5 A municipal water supply pipeline connecting structure, the surface of the connecting pipe 1 is communicated with the mounting seat 7, the inside of the mounting seat 7 is provided with the waste slot 8, the inside of the mounting seat 7 is provided with the clamping plate 9, the filter screen 10 is installed on the clamping plate 9, the mounting seat 7 is installed on the connecting pipe 1, the clamping plate 9 is installed in the mounting seat 7, and the filter screen 10 is installed on the clamping plate 9, so that the water source passing through the inside of the connecting pipe 1 can be filtered, the silt and rust in the water source can be filtered, the water source is prevented from being affected when being supplied to users, and the cleanliness of the water source is ensured.

[0039] Reference Figure 4 The inside of the mounting seat 7 and the inside of the connecting pipe 1 are both provided with the clamping groove 16 clamped with the clamping plate 9, and the clamping groove 16 is convenient for limiting the clamping plate 9.

[0040] Reference Figure 2 The surface of the clamping plate 9 is attached with the sealing gasket 17, and the sealing ring 11 is clamped with the clamping groove 16, and the sealing gasket 17 is arranged to seal the clamping groove 16.

[0041] Reference Figure 2 The bottom of the clamping plate 9 is bolted with the fixing block 18, the fixing block 18 is screw-connected with the mounting seat 7 through bolts, and the fixing block 18 is arranged to fix the clamping plate 9.

[0042] Reference Figure 1 The bottom of the mounting seat 7 is provided with the waste pipe 19 communicated with the waste slot 8, and the surface of the waste pipe 19 is provided with a valve, and the waste pipe 19 is arranged to facilitate the discharge of impurities.

[0043] The use process is briefly described as follows: the mounting seat 7 is installed on the connecting pipe 1, the clamping plate 9 is installed in the mounting seat 7, and the filter screen 10 is installed on the clamping plate 9, so that the water source passing through the inside of the connecting pipe 1 can be filtered, the silt and rust in the water source can be filtered, the water source is prevented from being affected when being supplied to users, and the cleanliness of the water source is ensured.

[0044] This embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and those skilled in the art can make modifications to the embodiment without creative contribution after reading the specification, but as long as the modifications are within the scope of the claims of the utility model, they are protected by the patent law.

Claims

1. A pipe connection structure for a municipal water supply, comprising a connection pipe (1), characterized by: Both ends of the connecting pipe (1) are communicated with connecting flanges (2), both ends of the connecting pipe (1) are provided with external connecting pipes (3), one end of the external connecting pipe (3) close to the connecting flange (2) is communicated with an external connecting flange (4), the surface of the connecting pipe (1) is symmetrically sleeved with a limiting sleeve (5), the inside of the limiting sleeve (5) is symmetrically screwed with a limiting seat (6) clamped with the external connecting pipe (3), the surface of the connecting pipe (1) is communicated with a mounting seat (7), the inside of the mounting seat (7) is provided with a waste discharge groove (8), the inside of the mounting seat (7) is provided with a clamping plate (9), and the clamping plate (9) is installed with a filter screen (10).

2. The pipe connection structure for a municipal water supply according to claim 1, characterized by: The external connecting flange (4) and the connecting flange (2) are clamped with a sealing ring (11).

3. The pipe connection structure for a municipal water supply according to claim 1, characterized by: The limiting sleeve (5) is bolted with an annular sliding block (12), and the connecting flange (2) is provided with a sliding groove (13) matched with the annular sliding block (12).

4. The pipe coupling structure for a municipal water supply according to claim 1, characterized by: The surface of the limiting sleeve (5) is designed with anti-skid lines (14), and the limiting seat (6) is designed with a limiting protrusion (15).

5. The pipe coupling structure for a municipal water supply according to claim 2, characterized by: The inside of the mounting seat (7) and the inside of the connecting pipe (1) are both provided with clamping grooves (16) clamped with the clamping plate (9).

6. A pipe joint structure for a municipal water supply according to claim 5, characterized in that: The surface of the clamping plate (9) is bonded with a sealing gasket (17), and the sealing ring (11) is clamped with the clamping groove (16).

7. The pipe coupling structure for a municipal water supply according to claim 1, characterized by: The bottom of the clamping plate (9) is bolted with a fixing block (18), and the fixing block (18) is screwed with the mounting seat (7) through bolts.

8. The pipe coupling structure for a municipal water supply according to claim 1, characterized by: The bottom of the mounting seat (7) is installed with a waste discharge pipe (19) communicated with the waste discharge groove (8), and the surface of the waste discharge pipe (19) is installed with a valve.

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