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CN-117052997-B - Water supply and drainage pipeline connection structure

CN117052997BCN 117052997 BCN117052997 BCN 117052997BCN-117052997-B

Abstract

The invention relates to a water supply and drainage pipeline connecting structure which comprises two water pipes, wherein the end parts of the two water pipes are connected with connectors, an intermediate pipe is arranged between the two connectors, inclined pressure rings are sleeved at the end parts of the two water pipes, the water supply and drainage pipeline connecting structure further comprises connecting sleeves, a fixing mechanism, a pressing mechanism, a protection cover and a tension spring, the two connecting sleeves are respectively sleeved on the two water pipes, the inclined pressure rings are positioned inside the connecting sleeves, the fixing mechanism is connected between the two connecting sleeves, the two pressing mechanisms are respectively connected to the two connecting sleeves, a plurality of protection covers are respectively connected to the two connecting sleeves, and the tension spring is arranged between the protection cover and the connecting sleeves. According to the invention, the connectors, the middle pipe, the inclined pressure rings, the connecting sleeves, the compressing mechanism and the fixing mechanism are arranged, the two connecting sleeves are pre-fixed through the fixing mechanism, the inclined pressure rings are compressed through the compressing mechanism, and finally the connecting sleeves are fixed through the fixing mechanism, so that the two connectors clamp the middle pipe, water leakage from the middle pipe is avoided, and the device is simple to operate and long in service life.

Inventors

  • LI HONGFEI

Assignees

  • 机械工业第九设计研究院股份有限公司

Dates

Publication Date
20260505
Application Date
20230831

Claims (9)

  1. 1. The water supply and drainage pipeline connecting structure is characterized by comprising two water pipes (1), wherein the end parts of the water pipes (1) are connected with connectors (2), an intermediate pipe (3) is arranged between the two connectors (2), the intermediate pipe (3) is respectively abutted with the two connectors (2), inclined pressing rings (4) are sleeved at the end parts of the two water pipes (1), and the side surfaces of the inclined pressing rings (4) are abutted with the connectors (2); The novel water pipe protection device comprises two connecting sleeves (5), a fixing mechanism (6), two pressing mechanisms (7), a plurality of protection covers (8) and an extension spring (9), wherein the two connecting sleeves (5) are respectively sleeved on the two water pipes (1), the two connecting sleeves (5) are symmetrically distributed on the middle parts of the two water pipes (1), an inclined pressing ring (4) is positioned in the connecting sleeves (5), flanges (10) protruding outwards are arranged at the opposite ends of the two connecting sleeves (5), the fixing mechanism (6) is connected between the two connecting sleeves (5), the fixing mechanism (6) is connected to the flanges (10) and used for fixing the two connecting sleeves (5), the two pressing mechanisms (7) are respectively connected to the two connecting sleeves (5), the plurality of protection covers (8) are respectively connected to the two connecting sleeves (5) in a sliding mode, and extension springs (9) are arranged between the protection covers (8) and the connecting sleeves (5), and the protection covers (8) are used for protecting a space between the two connecting sleeves (5), namely protecting an intermediate pipe (3); The pressing mechanism (7) comprises a rotating frame (71), a guide cylinder (72), a clamping rod (73), clamping wheels (74) and a driving mechanism (75), wherein the pressing mechanism (7) is used for pressing the inclined pressing ring (4) towards the center directions of the two water pipes (1), the rotating frame (71) is rotationally connected to the inside of the connecting sleeve (5), the guide cylinder (72) is rotationally connected to the rotating frame (71), the clamping rod (73) is inserted into the guide cylinder (72), one end of the clamping rod (73) is rotationally connected to the connecting sleeve (5), the clamping wheels (74) are rotationally connected to the other end of the clamping rod (73), when the clamping rod is clamped, the clamping wheels (74) can be in contact with the surface of the inclined pressing ring (4), when the clamping rod is loosened, the clamping wheels (74) are separated from the inclined pressing ring (4), the driving mechanism (75) is connected to the connecting sleeve (5), one end of the driving mechanism (75) is connected to the rotating frame (71), and the driving mechanism (75) is used for driving the rotating frame (71).
  2. 2. The water supply and drainage pipeline connecting structure according to claim 1 is characterized in that the end parts of the two water pipes (1) are provided with internal threads which are connected with the connectors (2) in a threaded manner.
  3. 3. The water supply and drainage pipeline connecting structure is characterized in that a first sealing groove is formed in the side face, close to the water pipe (1), of the connector (2), the water pipe (1) stretches into the first sealing groove, a first waterproof sealing ring is further arranged in the first sealing groove, second sealing grooves are formed in the opposite side faces of the two connectors (2), two ends of the middle pipe (3) are respectively located in the two second sealing grooves, and a second waterproof sealing ring is further arranged between the middle pipe (3) and the second sealing grooves.
  4. 4. The water supply and drainage pipeline connecting structure according to claim 1, wherein the fixing mechanism (6) comprises a mounting seat (61) fixedly connected to one connecting sleeve (5), a pull rod (62) is rotatably connected to the inside of the mounting seat (61), a gap is formed in a flange (10) on the other connecting sleeve (5), one end of the pull rod (62) is located in the gap, one end of the pull rod (62) is in threaded connection with a nut (63), the nut (63) is abutted against the side face of the connecting sleeve (5), the number of the fixing mechanisms (6) is not less than 2, and the fixing mechanisms (6) are evenly distributed around the axis of the connecting sleeve (5).
  5. 5. The water supply and drainage pipeline connecting structure according to claim 1, wherein the driving mechanism (75) comprises a first rotating block (751) rotatably connected to the connecting sleeve (5) and a second rotating block (752) rotatably connected to the rotating frame (71), a screw (753) is rotatably connected to the first rotating block (751), one end of the screw (753) is in threaded connection with the second rotating block (752), the other end of the screw (753) extends out of the connecting sleeve (5), and a sliding groove for the screw (753) to move is formed in the connecting sleeve (5).
  6. 6. The water supply and drainage pipeline connecting structure according to claim 1, wherein the number of the guide cylinders (72) is not less than 2, the plurality of guide cylinders (72) are uniformly distributed around the axis of the rotating frame (71), and the number of the clamping rods (73) is the same as the number of the guide cylinders (72), so that the pressing mechanism (7) can press the inclined pressing ring (4) from multiple angles.
  7. 7. The water supply and drainage pipeline connecting structure according to claim 1, wherein the section of the clamping wheel (74) is isosceles trapezoid, and the inclined plane angle of the clamping wheel (74) is the same as that of the inclined pressing ring (4), so that the clamping wheel (74) is matched with the inclined pressing ring (4).
  8. 8. The water supply and drainage pipeline connecting structure according to claim 1, wherein the protection cover (8) is composed of a sliding plate (81), an arc-shaped vertical plate (82) and arc-shaped protection plates (83), the sliding plate (81) is slidably connected to the flange (10), the extension spring (9) is arranged between the sliding plate (81) and the flange (10), one end of the sliding plate (81) is fixedly connected with the arc-shaped vertical plate (82), the arc-shaped vertical plate (82) is close to the side face of the water pipe (1) connected with the arc-shaped vertical plate, the arc-shaped protection plates (83) are slidably connected to the inside of the connecting sleeve (5), the outer diameter of the arc-shaped protection plates (83) is identical to the inner diameter of the connecting sleeve (5), a plurality of arc-shaped protection plates (83) located on the same connecting sleeve (5) can form a closed ring shape, and the number of the protection covers (8) located on the same connecting sleeve (5) is not less than 2.
  9. 9. A water supply and drainage pipe connection according to claim 8, characterized in that the number of shields (8) on the same connection sleeve (5) is 4, i.e. the angle of the arc-shaped shield (83) is 90 °.

Description

Water supply and drainage pipeline connection structure Technical Field The invention belongs to the technical field of water supply and drainage pipelines, and particularly relates to a drainage pipeline connecting structure. Background At present, the connection of water supply and drainage pipelines in municipal construction and construction needs to be subjected to configuration treatment at a connecting end. Such as welding the flanges and then fixing them by bolts, or by glue or thermal welding. But the connection strength of the thermal welding is not high enough, the connection mode is too troublesome, the service life of the glue is short, the glue needs to be subjected to waterproof treatment for a plurality of times, and the water leakage phenomenon often occurs at the interface position of the connection structures. Based on the above, there is a strong need to develop a water supply and drainage pipeline connection structure to overcome the defects in the prior art. Disclosure of Invention The invention aims to provide a water supply and drainage pipeline connecting structure so as to solve the problem that water is easy to leak at a joint. The invention aims at realizing the following technical scheme: The water supply and drainage pipeline connecting structure comprises two water pipes 1, wherein the end parts of the water pipes 1 are connected with connectors 2, a middle pipe 3 is arranged between the two connectors 2, and the middle pipe 3 is respectively abutted with the two connectors 2; The two connecting sleeves 5 are respectively sleeved on the two water pipes 1, the two connecting sleeves 5 are symmetrically distributed around the middle of the two water pipes 1, the inclined pressing rings 4 are positioned in the connecting sleeves 5, flanges 10 protruding outwards are arranged at the opposite ends of the two connecting sleeves 5, the fixing mechanism 6 is connected between the two connecting sleeves 5, the fixing mechanism 6 is connected to the flanges 10 and used for fixing the two connecting sleeves 5, the two pressing mechanisms 7 are respectively connected to the two connecting sleeves 5, the plurality of protecting covers 8 are respectively connected to the two connecting sleeves 5 in a sliding mode, the extending springs 9 are arranged between the protecting covers 8 and the connecting sleeves 5, and the protecting covers 8 are used for protecting the space between the two connecting sleeves 5, namely protecting the middle pipe 3. Further, the ends of the two water pipes 1 are provided with internal threads which are in threaded connection with the connector 2. Further, a first sealing groove is formed in the side face, close to the water pipe 1, of the connector 2, the water pipe 1 stretches into the first sealing groove, a first waterproof sealing ring is further arranged in the first sealing groove, second sealing grooves are formed in the opposite side faces of the two connectors 2, two ends of the middle pipe 3 are respectively located in the two second sealing grooves, and a second waterproof sealing ring is further arranged between the middle pipe 3 and the second sealing grooves. Further, the fixing mechanism 6 comprises a mounting seat 61 fixedly connected to one connecting sleeve 5, a pull rod 62 is rotatably connected to the inside of the mounting seat 61, a notch is formed in the flange 10 on the other connecting sleeve 5, one end of the pull rod 62 is located in the notch, one end of the pull rod 62 is in threaded connection with a nut 63, the nut 63 is abutted to the side face of the connecting sleeve 5, the number of the fixing mechanisms 6 is not less than 2, and a plurality of fixing mechanisms 6 are uniformly distributed around the axis of the connecting sleeve 5. Further, the pressing mechanism 7 comprises a rotating frame 71, a guide cylinder 72, a clamping rod 73, clamping wheels 74 and a driving mechanism 75, wherein the pressing mechanism 7 is used for pressing the inclined pressing ring 4 towards the center direction of the two water pipes 1, the rotating frame 71 is rotationally connected to the inside of the connecting sleeve 5, the guide cylinder 72 is rotationally connected to the rotating frame 71, the clamping rod 73 is inserted into the guide cylinder 72, one end of the clamping rod 73 is rotationally connected to the connecting sleeve 5, the other end of the clamping rod 73 is rotationally connected with the clamping wheels 74, the clamping wheels 74 can be abutted against the surface of the inclined pressing ring 4 during clamping, the clamping wheels 74 are separated from the inclined pressing ring 4 during loosening, one end of the driving mechanism 75 is connected to the rotating frame 71, and the driving mechanism 75 is used for driving the rotating frame 71 to rotate. Further, the driving mechanism 75 includes a first rotating block 751 rotatably connected to the connecting sleeve 5 and a second rotating block 752 rotatably connected to th