CN114017560A

CN114017560A - Drinking water engineering drinking water conveying system

Info

Publication number: CN114017560A
Application number: CN202111316232.4A
Authority: CN
Inventors: 青海华; 谢云芳; 秦涛; 章清坡; 尹小帅
Original assignee: Handan Water Conservancy And Hydropower Survey Design And Research Institute
Current assignee: Handan Water Conservancy And Hydropower Survey Design And Research Institute
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-02-08

Abstract

The application relates to a drinking water engineering drinking water conveying system, which belongs to the technical field of drinking water conveying and comprises a plurality of pipelines, wherein two sealing half pipes with opposite concave surfaces are clamped between opposite end surfaces of adjacent pipelines; a fixing component for fixedly connecting the two sealing half pipes is arranged between the two sealing half pipes; two connecting half pipes with the opposite concave surfaces are respectively sleeved at the ends, close to each other, of the adjacent pipelines; two ends of the sealing half pipe are fixedly connected with the connecting half pipe on the adjacent pipeline respectively; two end faces of the sealing half pipe are respectively provided with a semi-annular sealing groove, and a semi-annular sealing air bag is arranged in each sealing groove; the sealing half pipe is provided with an action component for tightly pushing the sealing air bag to the end surface of the pipeline; the inner wall of the connecting half pipe is provided with a semi-annular auxiliary groove, a semi-annular auxiliary air bag is arranged in the auxiliary groove, and the sealing air bag is communicated with the auxiliary air bag. This application has the effect that improves the leakproofness of pipe connection department in the drinking water conveying system.

Description

Drinking water engineering drinking water conveying system

Technical Field

The application relates to the technical field of drinking water delivery, in particular to a drinking water engineering drinking water delivery system.

Background

The drinking water is delivered to each household through the delivery system, and the delivery system of the drinking water comprises various pipelines which are mostly buried underground. Compared with the pipeline erected in the air, the pipeline buried underground saves the material and cost for pipeline construction, and the freeze prevention is also an important reason for the pipeline built underground. In winter, the temperature drops sharply, and icing is easy to occur, especially when cold tide comes, and if the pipeline is not buried underground, the phenomenon that water supply is affected by icing of the pipeline is easy to occur.

In the related art, the drinking water conveying system comprises a plurality of pipelines, flange plates are arranged at the end parts of the pipelines, and adjacent pipelines are fixedly connected through the flange plates.

In view of the above-mentioned related art, the inventor believes that there is a defect that contaminants in soil easily permeate into the pipe at the joint of flanges of adjacent pipes, and affect the water quality in the pipe.

Disclosure of Invention

In order to improve the leakproofness of adjacent pipeline junction among the drinking water conveying system, reduce the possibility in the soil pollutant infiltration pipeline, guarantee that quality of water in the pipeline is good, this application provides a drinking water engineering drinking water conveying system.

The application provides a drinking water engineering drinking water conveying system adopts following technical scheme:

a drinking water engineering drinking water conveying system comprises a plurality of pipelines, wherein two sealing half pipes with opposite concave surfaces are clamped between opposite end surfaces of adjacent pipelines; a fixing component for fixedly connecting the two sealing half pipes is arranged between the two sealing half pipes; two connecting half pipes with the opposite concave surfaces are respectively sleeved at the ends, close to each other, of the adjacent pipelines; two ends of the sealing half pipe are fixedly connected with the connecting half pipe on the adjacent pipeline respectively; two end faces of the sealing half pipe are respectively provided with a semi-annular sealing groove, and a semi-annular sealing air bag is arranged in each sealing groove; the sealing half pipe is provided with an action component for tightly pushing the sealing air bag to the end surface of the pipeline; a semi-annular auxiliary groove is formed in the inner wall of the connecting semi-pipe, a semi-annular auxiliary air bag is arranged in the auxiliary groove, and the sealing air bag is communicated with the auxiliary air bag; when the sealing air bag is tightly abutted against the end face of the pipeline, the auxiliary air bag is tightly abutted against the outer side wall of the pipeline.

By adopting the technical scheme, when two adjacent pipelines are connected together, the two sealing half pipes are firstly placed between the two adjacent pipelines, the opposite end faces of the two sealing half pipes are attached, meanwhile, the opposite end faces of the connecting half pipes are attached, and then the two sealing half pipes are fixedly connected and the two connecting half pipes are fixed through the fixing assembly; the sealed gasbag is extruded through the action assembly and the end faces of the sealed gasbag and the pipeline are abutted tightly, gas in the sealed gasbag enters the auxiliary gasbag after being extruded, the auxiliary gasbag expands and is abutted tightly with the outer wall of the pipeline, abutting effects of the sealed gasbag and the end face of the pipeline and abutting effects of the auxiliary gasbag and the outer side wall of the pipeline are achieved, sealing effects of adjacent pipeline joints are achieved, possibility of pollutants in soil permeating into the pipeline is reduced, and sealing performance of the adjacent pipeline joints in a drinking water conveying system is improved.

Optionally, the action assembly comprises a rotating gear, two pressing racks and a connecting rod; an action groove communicated with the two sealing grooves is formed in the sealing half pipe, and the rotating gear is rotatably connected in the action groove; the two pressing racks are respectively meshed with two opposite sides of the rotating gear, and the pressing racks are connected in the action groove in a sliding manner; one end of the connecting rod is coaxially and fixedly connected with the rotating gear, and the other end of the connecting rod penetrates through the sealing half pipe and is rotationally connected with the sealing half pipe.

Through adopting above-mentioned technical scheme, when effect subassembly extrusion sealed gasbag and make sealed gasbag and pipeline terminal surface support tightly, rotate the connecting rod earlier, the connecting rod drives the running gear and rotates, the running gear drives two and compresses tightly the rack and remove to opposite direction, compress tightly rack extrusion sealed gasbag, the terminal surface that makes sealed gasbag and pipeline supports tightly, the pollutant in the soil has been reduced from linking up the possibility in the seam crossing infiltration pipeline of half pipe and pipeline, the leakproofness of adjacent pipeline junction in the drinking water conveying system has been improved.

Optionally, a semicircular pressing groove is formed in the inner side wall, away from the opening of the sealing groove, a semicircular pressing plate is connected to the inside of the pressing groove in a sliding mode, and the pressing rack is fixedly connected with the pressing plate.

Through adopting above-mentioned technical scheme, when compressing tightly the rack and removing, compress tightly the rack and drive the pressure strip and slide in compressing tightly the inslot, the sealed gasbag is extruded to semi-annular pressure strip, makes sealed gasbag atress more even, and then makes the leakproofness between sealed gasbag and pipeline stronger.

Optionally, two groups of abutting assemblies which respectively abut the two sealing half pipes to the axis of the pipeline are arranged between the adjacent pipelines; the tightening component comprises a driving bevel gear, two driven bevel gears, two connecting rods, two driven gears, two fixed racks and two fixed plates; the two fixing plates are respectively fixedly arranged on the adjacent pipelines, and the fixing rack is detachably connected to the fixing plates; the driving bevel gear is coaxially and fixedly connected with the connecting rod, and the two driven bevel gears are respectively meshed with two sides opposite to the driving bevel gear; the driven bevel gear is coaxially and fixedly connected with a joint rod, and the joint rod is rotatably connected to the joint half pipe; one end of the connecting rod, which is far away from the driven bevel gear, is coaxially and fixedly connected with the driven gear, and the driven gear is meshed with the fixed rack.

Through adopting above-mentioned technical scheme, when supporting tight subassembly with two sealed half pipes to pipeline axis top tightly, rotate the connecting rod earlier, the connecting rod drives the drive bevel gear and rotates, drive bevel gear drives two driven bevel gears and rotates simultaneously, driven bevel gear rotates and then drives driven gear through driving the joint pole and rotates, fixed rack gives driven gear an effort towards sealed half pipe, and then reached and made sealed half pipe to pipeline axis top tightly, the effect that links up half pipe and pipeline and support tightly, sealed gasbag and pipeline terminal surface support tightly, supplementary gasbag and pipeline lateral wall support tight effect, and then make the leakproofness of adjacent pipeline junction better.

Optionally, a plurality of fixing bolts are arranged on the fixing plate, and bottom ends of the fixing bolts penetrate through the fixing plate and are in threaded connection with the fixing rack.

By adopting the technical scheme, after the two sealing half pipes are fixed between the adjacent pipelines, the action assembly is also fixed, and the driven gear is fixed; and then the fixed rack is fixed on the fixed plate through the fixing bolt, and the fixed rack is meshed with the driven rack, so that the detachable connection of the fixed rack and the fixed plate is facilitated.

Optionally, the connecting rod is coaxially and fixedly provided with a ratchet wheel, the outer side wall of the sealing half pipe is fixedly provided with an auxiliary plate, the auxiliary plate is rotatably connected with a pawl, the auxiliary plate is fixedly provided with a spring pressing sheet, and one end of the pawl is inserted into a tooth groove of the ratchet wheel through the spring pressing sheet.

Through adopting above-mentioned technical scheme, when the connecting rod rotated, the connecting rod drove the ratchet and rotated, and during the ratchet rotated, the pawl made the one end of pawl support tightly with the ratchet always under the effect of spring preforming, when the ratchet stopped rotating, the pawl was fixed the ratchet, and the one end of pawl is located the tooth's socket of ratchet, has reduced the possibility of ratchet reversal, and then has reduced the connecting rod and has taken place pivoted possibility.

Optionally, the fixing assembly comprises a plurality of connecting plates, a plurality of connecting bolts and a plurality of connecting nuts, and each two connecting plates are fixedly arranged on two sides of the same sealing half pipe respectively; the bottom end of the connecting bolt penetrates through the two connecting plates which are positioned on the same side of the two sealing half pipes and is in threaded connection with the connecting nut, and the connecting nut and the connecting plates are tightly abutted.

Through adopting above-mentioned technical scheme, place two sealed half pipes between adjacent pipeline and make to link up half pipe box and establish on the pipeline, make two sealed half pipe just right terminal surface laminating, run through two connecting plates that lie in two sealed half pipes with one side and with coupling nut threaded connection with connecting bolt, make two sealed half pipe connections more firm.

Optionally, an elastic sealing gasket is arranged in the auxiliary groove, the sealing gasket is fixedly connected with the auxiliary air bag, and the side wall, away from the auxiliary air bag, of the sealing gasket is abutted against the outer side wall of the pipeline.

Through adopting above-mentioned technical scheme, supplementary gasbag will seal up to support tightly on the lateral wall of pipeline, make the leakproofness that links up half pipe and pipeline junction stronger, reduced the possibility in the pollutant infiltration pipeline in the soil, improved the leakproofness of adjacent pipeline junction in the drinking water conveying system.

Optionally, the sealing half pipe is provided with a sealing ring on the side wall close to the pipeline.

By adopting the technical scheme, the sealing performance of the joint of the sealing half pipe and the pipeline is enhanced, the possibility that pollutants in soil permeate into the pipeline is reduced, and the sealing performance of the joint of the adjacent pipelines in the drinking water conveying system is improved.

Optionally, the connecting rod is provided with an auxiliary member for facilitating screwing of the connecting rod.

Through adopting above-mentioned technical scheme, through rotating the auxiliary member and then making the connecting rod rotate, made things convenient for the rotation to the connecting rod.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the action assembly tightly pushes the sealing air bag towards the end face of the pipeline, and the gas in the sealing air bag is extruded into the auxiliary air bag, so that the effects of tightly abutting the sealing air bag and the end face of the pipeline and tightly abutting the auxiliary air bag and the outer side wall of the pipeline are achieved, the sealing performance of the joint of the adjacent pipelines is stronger, the possibility that pollutants in soil permeate into the pipeline is reduced, and the sealing performance of the joint of the adjacent pipelines in the drinking water conveying system is improved;

2. by arranging the abutting assembly, the abutting assembly abuts against the sealing half pipe towards the axis of the pipeline, so that the auxiliary air bag and the outer side wall of the pipeline are further abutted, and the joint of the connecting half pipe and the pipeline is stronger in sealing performance;

3. the connecting rod is reduced by the ratchet wheel, the pawl and the spring pressing sheet, the possibility of rotation when the connecting rod is in a fixed state is reduced, the possibility of rotation of the rotating gear is reduced, the possibility of movement of the pressing rack is reduced, the sealing air bag and the pipeline end are kept in a tight abutting state, and the sealing performance of the joint of the adjacent pipelines in the drinking water conveying system is improved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a partial sectional view showing the active assembly;

FIG. 3 is a partial schematic view showing the ratchet;

fig. 4 is a sectional view showing the fixing assembly.

In the figure, 1, a pipeline; 2. sealing the half pipe; 21. a sealing groove; 211. sealing the air bag; 22. a compaction groove; 221. a compression plate; 23. an action groove; 24. a seal ring; 3. a fixing assembly; 31. a connecting plate; 32. a connecting bolt; 33. a connecting nut; 4. joining the half pipes; 41. an auxiliary groove; 42. an auxiliary air bag; 5. an active component; 51. a rotating gear; 52. compressing the rack; 53. a connecting rod; 531. an auxiliary member; 6. a propping component; 61. a drive bevel gear; 62. a driven bevel gear; 63. a connecting rod; 64. a driven gear; 65. fixing a rack; 66. a fixing plate; 661. fixing the bolt; 7. a stop assembly; 71. a ratchet wheel; 72. an auxiliary plate; 73. a pawl; 74. pressing a spring plate; 8. a gasket; 9. a protection component; 91. a protective shell; 92. fastening a bolt; 93. fastening a nut; 94. and (7) fastening the plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses drinking water engineering drinking water conveying system.

Referring to fig. 1 and 2, a drinking water engineering drinking water conveying system comprises a plurality of pipelines 1, two sealing half-pipes 2 with opposite concave surfaces are clamped between adjacent pipelines 1, and the end surfaces of the two sealing half-pipes 2, which are close to each other, are attached; the inner diameter of the sealing half pipe 2 is the same as that of the pipeline 1; two ends of the sealing half pipe 2 are fixedly provided with semi-annular sealing rings 24, and the sealing rings 24 are tightly propped against the end surface of the pipeline 1; a fixing component 3 for fixedly connecting the two sealing half pipes 2 is arranged between the two sealing half pipes 2; one ends of the adjacent pipelines 1, which are close to each other, are respectively sleeved with two connecting half pipes 4 with opposite concave surfaces, and the end surfaces of the two connecting half pipes 4, which are close to each other, are attached to each other; the sealing half pipe 2 and the connecting half pipe 4 which are positioned on the same side of the pipeline 1 are integrally formed; the outer diameter of the sealing half-tube 2 is the same as the outer diameter of the joining half-tube 4.

Referring to fig. 1 and 2, two end faces of the sealing half pipe 2 are respectively provided with a semi-annular sealing groove 21, and a semi-annular sealing air bag 211 is arranged in the sealing groove 21; one end of the sealing groove 21, which is far away from the opening of the sealing groove, is provided with a semi-annular pressing groove 22, and a semi-annular pressing plate 221 is connected in the pressing groove 22 in a sliding manner; the sealing half pipe 2 is provided with an action component 5 which pushes the pressing plate 221 and enables the pressing plate 221 to tightly support the sealing air bag 211 to the end face of the pipeline 1; a semicircular auxiliary groove 41 is formed in the inner side wall of the connecting semi-pipe 4, a semicircular auxiliary air bag 42 is arranged in the auxiliary groove 41, and the auxiliary air bag 42 is communicated with the sealing air bag 211; a semi-annular rubber sealing gasket 8 is arranged in the auxiliary groove 41, the convex surface of the sealing gasket 8 is fixedly connected with the auxiliary air bag 42, and the concave surface of the sealing gasket 8 is tightly abutted against the outer side wall of the pipeline 1; two groups of abutting components 6 which respectively abut the sealing half pipe 2 in the axial direction of the pipeline 1 are arranged between the adjacent pipelines 1; and a protection component 9 for protecting the sealing half pipe 2, the connecting half pipe 4, the fixing component 3, the acting component 5 and the abutting component 6 is arranged between the adjacent pipelines 1.

When the adjacent pipelines 1 are connected, the two sealing half pipes 2 are firstly placed between the adjacent pipelines 1, the end faces of the two sealing half pipes 2 close to each other are attached, the two sealing half pipes 2 are connected and fixed through the fixing component 3, and meanwhile, the connection half pipes 4 are fixed; the action component 5 pushes the pressing plate 221 and the sealing airbag 211 is tightly pressed against the end face of the pipeline 1 through the pressing plate 221, at the moment, the gas of the sealing airbag 211 is extruded into the auxiliary airbag 42, and the auxiliary airbag 42 is expanded to tightly press the sealing gasket 8 against the outer side wall of the pipeline 1; the rethread supports tight subassembly 6 and will seal half pipe 2 to 1 axis direction tops tightly of pipeline, and then makes linking up half pipe 4 and to 1 outer wall top tightly of pipeline, and sealed gasbag 211 supports tightly with 1 terminal surface of pipeline, sealed pad 8 and 1 outer wall of pipeline support tightly this moment, has reached the sealed to 1 junction of adjacent pipeline, has reduced probably in the pollutant infiltration pipeline 1 in the soil, has improved the leakproofness of adjacent pipeline 1 junction in the drinking water conveying system.

Referring to fig. 2, the action assembly 5 includes a rotating gear 51, a pressing rack 52, and a connecting rod 53, and the number of the pressing racks 52 is two; an action groove 23 communicated with the two pressing grooves 22 is formed in the sealing half pipe 2, the rotating gear 51 is rotatably connected in the action groove 23, and the rotating axis of the rotating gear 51 is vertical to the axis of the sealing half pipe 2; the two pressing racks 52 are respectively meshed with two opposite sides of the rotating gear 51, the length direction of the pressing racks 52 is parallel to the axial direction of the sealing half pipe 2, the pressing racks 52 are connected in the action groove 23 in a sliding manner, and one end, far away from the rotating gear 51, of the pressing racks 52 is fixedly connected with the pressing plate 221; one end of a connecting rod 53 is coaxially and fixedly connected with the rotating gear 51, and the other end of the connecting rod 53 penetrates through the sealing half pipe 2 and is rotatably connected to the sealing half pipe 2; an auxiliary part 531 which is convenient for enabling the connecting rod 53 to rotate is fixedly arranged at one end, away from the sealing half pipe 2, of the connecting rod 53, the auxiliary part 531 is a nut, and the nut is coaxially and fixedly connected with the connecting rod 53; the sealing half-pipe 2 is provided with a stop assembly 7 for fixing the connecting rod 53 at a specified position.

After two sealed half-pipes 2 are fixedly connected, the auxiliary member 531 is rotated, the auxiliary member 531 drives the connecting rod 53 to rotate, the connecting rod 53 drives the rotating gear 51 to rotate, the rotating gear 51 drives the two pressing racks 52 to slide in opposite directions, the pressing racks 52 tightly push the pressing plate 221 in a direction close to the sealed air bag 211, and then the sealed air bag 211 is tightly abutted to the end face of the pipeline 1, so that the sealing performance of the joint of the sealed half-pipe 2 and the pipeline 1 is stronger.

Referring to fig. 2, the tightening unit 6 includes a driving bevel gear 61, two driven bevel gears 62, two engaging rods 63, two driven gears 64, two fixed racks 65, and two fixed plates 66; the driving bevel gear 61 is coaxially and fixedly connected with one end of the connecting rod 53 extending out of the sealing half pipe 2; the two driven bevel gears 62 are respectively meshed with two opposite sides of the driving bevel gear 61, and the rotating axes of the driven bevel gears 62 are parallel to the axis of the sealing half pipe 2; one end of the driven bevel gear 62, which is far away from the other driven bevel gear 62, is coaxially and fixedly connected with a connecting rod 63, and the connecting rod 63 is rotationally connected to the sealing half pipe 2; one end of the connecting rod 63, far away from the driven bevel gear 62, is coaxially and fixedly connected with the driven gear 64; the two fixing plates 66 are respectively fixedly arranged on the adjacent pipelines 1, and the fixing plates 66 are attached to the connecting half pipes 4; one ends of the two fixing plates 66 close to each other are fixedly connected with a fixing rack 65 respectively; each fixing plate 66 is provided with two fixing bolts 661, and the bottom ends of the fixing bolts 661 penetrate through the fixing plate 66 and are in threaded connection with the fixing rack 65; the driven gear 64 and the fixed rack gear 65 mesh.

After the two sealing half pipes 2 are fixedly connected, the fixing of the abutting assembly 6 is further completed; fixing the fixed rack 65 to the fixing plate 66 by the fixing bolt 661, and engaging the driven gear 64 with the fixed rack 65; when the connecting rod 53 rotates, the connecting rod 53 drives the driving bevel gear 61 to rotate, the driving bevel gear 61 drives the two driven bevel gears 62 to rotate, the driven bevel gears 62 rotate through driving the connecting rod 63, and then the driven gears 64 generate a rotating trend, so that the fixed rack 65 is applied to the acting force of one direction of the driven gears 64 towards the sealing half-pipe 2, and then the effect of enabling the sealing half-pipe 2 to be tightly pushed to the axis of the pipeline 1 is achieved, the effect of supporting the auxiliary air bag 42 and the outer side wall of the pipeline 1 tightly is achieved, and further the sealing performance of the joint of the adjacent pipelines 1 is better.

Referring to fig. 3, the stopper assembly 7 includes a ratchet 71, a pawl 73, a spring pressing piece 74, and an auxiliary plate 72; the ratchet wheel 71 is coaxially and fixedly connected with one end, extending out of the sealing half pipe 2, of the connecting rod 53, and the ratchet wheel 71 is positioned on one side, close to the sealing half pipe 2, of the driving bevel gear 61; the auxiliary plate 72 is fixedly arranged on the outer side wall of the sealing half pipe 2, the pawl 73 is rotatably connected to the auxiliary plate 72, the spring pressing piece 74 is fixedly arranged on the auxiliary plate 72, and the pawl 73 is always contacted with the ratchet wheel 71 through the spring pressing piece 74. When the connecting rod 53 rotates, the connecting rod 53 drives the ratchet wheel 71 to rotate, when the connecting rod 53 stops rotating, the pawl 73 enables one end, away from the rotation axis of the pawl 73, of the pawl 73 to be located in a tooth groove of the ratchet wheel 71 under the action of the spring pressing sheet 74, the pawl 73 fixes the ratchet wheel 71, the possibility of reverse rotation of the ratchet wheel 71 is reduced, and the possibility of rotation when the connecting rod 53 is in a fixed state is further reduced.

Referring to fig. 4, the fixing member 3 includes four connecting plates 31, four connecting bolts 32, and four connecting nuts 33; each two connecting plates 31 are fixedly arranged on two sides of the same sealing half pipe 2 respectively, and the connecting plates 31 positioned on the same side of the two sealing half pipes 2 are mutually attached; every two connecting bolts 32 penetrate through a pair of mutually-attached connecting plates 31, the connecting bolts 32 penetrate through one ends of the connecting plates 31 and are in threaded connection with connecting nuts 33, and the connecting nuts 33 are tightly abutted to the connecting plates 31.

When the end faces of the two sealing half pipes 2 close to each other are jointed, the connecting plates 31 positioned at the same side of the two sealing half pipes 2 are also jointed with each other; the four connecting bolts 32 penetrate through the mutually-attached connecting plates 31 respectively, and the four connecting nuts 33 are screwed at one ends, penetrating through the connecting plates 31, of the connecting bolts 32 respectively, and the connecting nuts 33 are abutted against the connecting plates 31, so that the effect of connecting the two sealing half pipes 2 more firmly is achieved.

Referring to fig. 4, the protection assembly 9 includes two protection cases 91, two fastening bolts 92, two fastening nuts 93, and two fastening plates 94; the two protective shells 91 are covered between the adjacent pipelines 1, the section of each protective shell 91, which is perpendicular to the axis of each pipeline 1, is in a semi-annular shape, the concave surfaces of the two protective shells 91 are oppositely arranged, and the end surfaces, close to each other, of the two protective shells 91 are attached; the two protective shells 91 protect the sealing half pipe 2, the connecting half pipe 4, the fixing component 3, the acting component 5 and the abutting component 6; one side of each protective shell 91 is fixedly connected with one fastening plate 94, and the two fastening plates 94 are mutually attached; the fastening bolt 92 penetrates through the two fastening plates 94 and is in threaded connection with the fastening nut 93, and the fastening nut 93 and the fastening plates 94 are tightly abutted; the one end that two protective housing 91 kept away from mounting plate 94 rotates to be connected, makes two protective housing 91 connect more firmly, has improved sealed half pipe 2, links up half pipe 4, fixed subassembly 3, effect subassembly 5, supports the life-span of tight subassembly 6.

The implementation principle of drinking water engineering drinking water conveying system of the embodiment of the application is as follows: when the adjacent pipelines 1 are connected together, the two sealing half pipes 2 are clamped between the adjacent pipelines 1, and then the connecting bolt 32 penetrates through the connecting plate 31 and is in threaded connection with the connecting nut 33, so that the two sealing half pipes 2 are fixedly connected; fixing rack 65 on fixing plate 66 through fixing bolt 661; the auxiliary member 531 is rotated, the auxiliary member 531 drives the connecting rod 53 to rotate, the connecting rod 53 drives the rotating gear 51 to rotate, the rotating gear 51 drives the two pressing racks 52 to tightly push the pressing plate 221 towards the direction close to the sealing airbag 211, and further the sealing airbag 211 is tightly pushed towards the end face of the pipeline 1; connecting rod 53 still drives drive bevel gear 61 simultaneously and rotates, drive bevel gear 61 drives two driven bevel gear 62 and rotates, driven bevel gear 62 rotates and then makes driven gear 64 produce the pivoted trend through driving the joint pole 63, fixed rack 65 is applyed for the power of a driven gear 64 orientation towards sealed half pipe 2 this moment, make sealed half pipe 2 push up to pipeline 1 axis tightly, sealed half pipe 2 drives and links up half pipe 4 and pipeline 1 outer wall and support tightly, and then make sealed 8 and pipeline 1 outer wall support tightly, the effect of sealing up adjacent pipeline 1 junction has been reached, pollutant infiltration pipeline 1 interior possibility in the soil has been reduced, the leakproofness of adjacent pipeline 1 junction in the drinking water conveying system has been improved.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a drinking water engineering drinking water conveying system which characterized in that: comprises a plurality of pipelines (1), wherein two sealing half pipes (2) with opposite concave surfaces are clamped between opposite end surfaces of adjacent pipelines (1); a fixing component (3) for fixedly connecting the two sealing half pipes (2) is arranged between the two sealing half pipes (2); one ends of the adjacent pipelines (1) close to each other are respectively sleeved with two connecting half pipes (4) with the concave surfaces facing each other; two ends of the sealing half pipe (2) are fixedly connected with the connecting half pipe (4) on the adjacent pipeline (1) respectively; two end faces of the sealing half pipe (2) are respectively provided with a semi-annular sealing groove (21), and a semi-annular sealing air bag (211) is arranged in the sealing groove (21); the sealing half pipe (2) is provided with an action component (5) for tightly pushing the sealing air bag (211) to the end surface of the pipeline (1); a semicircular auxiliary groove (41) is formed in the inner wall of the connecting semi-pipe (4), a semicircular auxiliary air bag (42) is arranged in the auxiliary groove (41), and the sealing air bag (211) is communicated with the auxiliary air bag (42); when the sealing air bag (211) is tightly abutted against the end face of the pipeline (1), the auxiliary air bag (42) is tightly abutted against the outer side wall of the pipeline (1).

2. A drinking water engineering drinking water delivery system according to claim 1, characterised in that: the action assembly (5) comprises a rotating gear (51), two pressing racks (52) and two connecting rods (53), wherein the two pressing racks (52) are arranged; an action groove (23) communicated with the two sealing grooves (21) is formed in the sealing half pipe (2), and the rotating gear (51) is rotatably connected in the action groove (23); the two pressing racks (52) are respectively meshed with two opposite sides of the rotating gear (51), and the pressing racks (52) are connected in the action groove (23) in a sliding manner; one end of the connecting rod (53) is coaxially and fixedly connected with the rotating gear (51), and the other end of the connecting rod penetrates through the sealing half pipe (2) and is rotationally connected with the sealing half pipe (2).

3. A drinking water engineering drinking water delivery system according to claim 2, characterised in that: the inner side wall, far away from the opening of the sealing groove (21), of the sealing groove (21) is provided with a semi-annular pressing groove (22), a semi-annular pressing plate (221) is connected in the pressing groove (22) in a sliding mode, and the pressing rack (52) is fixedly connected with the pressing plate (221).

4. A drinking water engineering drinking water delivery system according to claim 2, characterised in that: two groups of abutting components (6) which respectively abut the two sealing half pipes (2) to the axis of the pipeline (1) are arranged between the adjacent pipelines (1); the tight-resisting component (6) comprises a driving bevel gear (61), two driven bevel gears (62), two connecting rods (63), two driven gears (64), two fixed racks (65) and two fixing plates (66); the two fixing plates (66) are respectively and fixedly arranged on the adjacent pipelines (1), and the fixed rack (65) is detachably connected to the fixing plates (66); the driving bevel gear (61) is coaxially and fixedly connected with the connecting rod (53), and the two driven bevel gears (62) are respectively meshed with the two sides opposite to the driving bevel gear (61); the driven bevel gear (62) is coaxially and fixedly connected with a connecting rod (63), and the connecting rod (63) is rotatably connected to the connecting half pipe (4); one end of the connecting rod (63) far away from the driven bevel gear (62) is coaxially and fixedly connected with the driven gear (64), and the driven gear (64) is meshed with the fixed rack (65).

5. A drinking water engineering drinking water delivery system according to claim 4, characterized in that: the fixing plate (66) is provided with a plurality of fixing bolts (661), and the bottom ends of the fixing bolts (661) penetrate through the fixing plate (66) and are in threaded connection with the fixing rack (65).

6. A drinking water engineering drinking water delivery system according to claim 2, characterised in that: the connecting rod (53) is coaxially and fixedly provided with a ratchet wheel (71), the outer side wall of the sealing half pipe (2) is fixedly provided with an auxiliary plate (72), the auxiliary plate (72) is rotatably connected with a pawl (73), the auxiliary plate (72) is fixedly provided with a spring pressing sheet (74), and one end of the pawl (73) is inserted into a tooth groove of the ratchet wheel (71) through the spring pressing sheet (74).

7. A drinking water engineering drinking water delivery system according to claim 1, characterised in that: the fixed assembly (3) comprises a plurality of connecting plates (31), a plurality of connecting bolts (32) and a plurality of connecting nuts (33), and every two connecting plates (31) are fixedly arranged on two sides of the same sealing half pipe (2) respectively; the bottom end of the connecting bolt (32) penetrates through the two connecting plates (31) which are positioned on the same side of the two sealing half pipes (2) and is in threaded connection with the connecting nut (33), and the connecting nut (33) and the connecting plates (31) are tightly abutted.

8. A drinking water engineering drinking water delivery system according to claim 1, characterised in that: elastic sealing gaskets (8) are arranged in the auxiliary grooves (41), the sealing gaskets (8) are fixedly connected with the auxiliary air bags (42), and the sealing gaskets (8) are far away from the side walls of the auxiliary air bags (42) and abut against the outer side wall of the pipeline (1).

9. A drinking water engineering drinking water delivery system according to claim 1, characterised in that: and the side walls of the sealing half pipes (2) close to the pipeline (1) are fixedly provided with sealing rings (24).

10. A drinking water engineering drinking water delivery system according to claim 2, characterised in that: and an auxiliary part (531) convenient for screwing the connecting rod (53) is arranged on the connecting rod (53).