Quick pipeline connecting piece, drainage pipeline and construction method of drainage pipeline

Abstract

The invention discloses a quick pipeline connecting piece, a drainage pipeline and a construction method of the quick pipeline connecting piece. The quick pipeline connecting piece comprises a pipe body, a direct flow channel is formed in the pipe body, and connecting mechanisms are arranged at the two ends of the pipe body; the connecting mechanism comprises a pre-positioning part, an embedding part and a locking part, the pre-positioning part comprises a pre-positioning piece capable of being pulled outwards from the open end of the pipe body, the pre-positioning piece is used for being positioned on the inner wall of the pipeline and provided with a positioning column extending out of the outer wall of the pipeline, and the embedding part comprises an embedding cover arranged on the outer wall of the pipeline in a sleeving mode; the embedded cover is provided with a clamping groove for the positioning column to be clamped in, the pre-positioning piece and the embedded cover are jointly used for forming circumferential positioning of the pipe body between two pipelines, the locking part comprises a rotatable locking piece, and the locking piece achieves axial positioning between the pre-positioning piece and the embedded cover in the process of rotating in the circumferential direction of the pipe body. Therefore, workers can maintain the pipeline conveniently. The drainage pipeline comprises the pipeline quick connecting piece. The construction method comprises the steps of pre-positioning, secondary positioning and tertiary positioning in the installation process.

Description

Technical Field

[0001] The invention relates to the field of pipeline connection, and in particular to a pipeline quick connector, a drainage pipeline and a construction method thereof. Background Art

[0002] At present, PVC pipes are generally used for drainage pipes in buildings. Their advantages are excellent physical and chemical properties, good drainage performance, light pipes, and easy construction. Existing pipe connectors are mostly fixed installations. Once the pipes are blocked or damaged, it is very difficult to find the blockages and replace the pipes in the subsequent unblocking. In addition, the pipe connectors usually need to be disassembled multiple times during the maintenance process. Multiple disassembly will result in poor air tightness between the pipe connectors and the pipes. Summary of the invention

[0003] The purpose of the present invention is to overcome the above-mentioned deficiencies in the prior art and to provide a pipeline quick connector, a drainage pipeline and a construction method thereof.

[0004] The technical solution adopted by the present invention to solve the above problems is:

[0005] A pipeline quick connector, which includes a connector body, the connector body includes a pipe body, the pipe body is axially penetrated to form a direct current channel, and connecting mechanisms are provided at both ends; the connecting mechanism includes a pre-positioning part, a fitting part and a locking part, the pre-positioning part includes a pre-positioning part which can be pulled outward along the axial direction of the pipe body from the open end of the pipe body, the pre-positioning part is used to be positioned on the inner wall of the pipe and has a positioning column extending outward from the outer wall of the pipe, the fitting part includes a fitting cover sleeved on the outer wall of the pipe, the fitting cover is provided with a snap-in groove for the positioning column to be snapped in, the pre-positioning part and the fitting cover are used together to constitute the circumferential positioning of the pipe body between two pipes, the locking part includes a locking part rotatably provided at the open end of the pipe body, and the axial positioning between the pre-positioning part and the fitting cover is realized during the rotation of the locking part from the initial position along the circumference of the pipe body.

[0006] Preferably, an annular step groove is provided at the open end of the tube body, and the pre-positioning member includes an annular step block located in the annular step groove and moving axially along the tube body, the tail end of the annular step block is restricted in the annular step groove, and the annular step groove is provided with a first spring, the first spring is used to maintain the tendency of the annular step block to move inward, the head end of the annular step block extends out of the annular step groove and a plurality of arc-shaped protruding plates are evenly spaced along the annular step block, the positioning column is provided at the arc-shaped protruding plate, and two positioning columns are provided at any arc-shaped protruding plate, the two positioning columns are axially parallel and spaced apart, a rubber ring is sleeved on the annular step block, the rubber ring is sleeved at the interval between the two positioning columns and the diameter of the rubber ring is smaller than the interval between the two positioning columns.

[0007] Preferably, the number of snap-in grooves corresponds to the number of arc-shaped protruding plates, and two positioning posts at the same arc-shaped protruding plate are snapped into one snap-in groove together. The axial direction of the positioning post is perpendicular to the axial direction of the tube body, and the length direction of the snap-in groove is arranged along the axial direction of the tube body. A clamping head is formed at the end of the positioning post, and the clamping head has a first wedge surface. The groove depth of the snap-in groove gradually decreases from the clamping end toward the clamping end. The inner side wall of the snap-in groove forms a second wedge surface that cooperates with the first wedge surface. When the clamping head goes deeper along the snap-in groove, the rubber ring is deformed and pressed against the inner wall of the pipe in a flat shape.

[0008] Preferably, the interlocking cover is provided with a plurality of fitting grooves evenly spaced along the circumferential direction toward the side wall of the tube body, and a rubber pad is provided in any fitting groove, the block diameter of the rubber pad is larger than the caliber of the fitting groove, and when the interlocking cover cooperates with the locking piece, the interlocking cover has a tendency to move toward the tube body, and the rubber pad is deformed under the movement tendency of the interlocking cover and pressed against the outer wall of the pipe.

[0009] Preferably, a boss and a rotating ring track for the locking piece to rotate are formed at the open end of the tube body, and the boss is provided with rectangular through holes evenly spaced along the circumferential direction, and the rectangular through holes are connected to the rotating ring track, and rectangular locking blocks are evenly spaced along the axial direction on the side wall of the engaging cover facing the open end of the tube body, and the rectangular locking blocks correspond to the rectangular through holes one by one, and the ends of the rectangular locking blocks extend from the rectangular through holes to the rotating ring track, and the locking piece includes an annular rotating block rotatably arranged at the rotating ring track, and a wedge-shaped groove is provided at the end of the rectangular locking block, and the annular rotating block is provided with a wedge block, and when the annular rotating block is located at the rotating ring track and rotates, the side wall of the wedge block abuts against the inner wall of the wedge groove so that the engaging cover has a tendency to move toward the tube body.

[0010] Preferably, the annular rotating blocks at the open ends on both sides of the tube body are connected by a connecting plate, and a stress mechanism is provided at the side wall of the tube body, the stress mechanism includes a fixed seat arranged at the side wall of the tube body, a pulling hole is provided at the connecting plate, a hinge seat is hinged at the pulling hole, a bending spring and a pulling rope located in the bending spring are fixed at one end of the hinge seat, a threaded column is provided at the end of the pulling rope, the threaded column passes through the fixed seat and is threadedly connected with a nut.

[0011] Preferably, the side wall of the rotating ring track is provided with a plurality of concave holes evenly spaced along the circumference, and the side wall of the annular rotating block is provided with a plurality of telescopic holes evenly spaced along the circumference, and a second spring and a protrusion at the end of the second spring are provided in any telescopic hole, and the protrusion is used to cooperate with the concave hole.

[0012] Preferably, a spherical valve is provided on the pipe body at the direct current channel.

[0013] A drainage pipeline is connected through any one of the above-mentioned pipeline quick connectors.

[0014] A construction method of a pipeline quick connector, characterized in that: it is implemented by any of the above-mentioned pipeline quick connectors, and comprises the following steps:

[0015] S1. Select the model of the connector body according to the diameter of the pipe;

[0016] S2. Based on the selected model of the connector body, drilling holes is performed on the open ends of the two pipes to be connected, and the holes are drilled according to the size of the pre-positioning part;

[0017] S3. Based on the selected connector body model, the distance between the two pipes is kept fixed and the connector body is installed. The installation process includes pre-positioning, secondary positioning and tertiary positioning.

[0018] S31, pre-positioning, pulling the positioning column of the pre-positioning member outward from the open end of the pipe body and inserting it into the drilled hole, so that the positioning column extends out of the outer wall of the pipe;

[0019] S32, secondary positioning, sliding the interlocking cover sleeved on the outer wall of the pipe so that the positioning column enters the slot, so that the pipe body is positioned between the two pipes for circumferential positioning under the joint action of the pre-positioning member and the interlocking cover;

[0020] S33, positioning three times, rotating the locking piece at the open end of the tube body, so that the locking piece rotates from the initial position along the circumference of the tube body to position the pre-positioning piece and the fitting cover axially;

[0021] S4. Installation completed.

[0022] Compared with the prior art, the present invention has the following advantages and effects:

[0023] In the present invention, the connector body is divided into three stages during actual use, namely, initial installation, pipeline dredging and pipeline maintenance. During the initial installation, when workers connect two pipelines, they need to select a suitable model of the connector body according to the diameter of the pipeline, and then use a drilling tool such as an electric drill to drill holes at the interface ends of the pipelines in sequence at uniform intervals along the axial direction of the pipelines. The drilling positions and sizes are consistent with the arrangement positions and diameters of the positioning columns. Subsequently, the two pipelines to be connected are arranged and fixed, and the spacing between the two pipeline interfaces is substantially consistent with the length of the connector body. Installation can be performed only after the preparation work is completed. During installation, the engaging cover is firstly put on the outer wall of the pipeline, and then the pre-positioning piece is pulled outward from the open end of the pipe body along the axial direction of the pipe body, and the positioning column is positioned at the corresponding drilling hole. Then, the engaging cover is moved so that the snap-in groove at the engaging cover can snap the positioning column in. At this time, the circumferential direction of the pipe body is circumferentially positioned between the two pipes. Subsequently, the axial positioning between the pre-positioning piece and the engaging cover is realized by the locking portion during the circumferential rotation of the pipe body at the initial position, and the initial installation of the connector body can be realized. When unclogging the pipeline, the reverse operation to the first installation mentioned above can be performed. The difference between pipeline maintenance and that is that the damaged pipeline can be repaired without completely removing the connector body; and, in the present invention, a spherical valve is provided on the pipe body at the direct current channel, so the connector body can be used as a one-way valve, which is convenient for workers to perform pipeline maintenance at close range.

[0024] Among them, when the pre-positioning part is acted upon by the engaging cover, the rubber ring is deformed and pressed against the inner wall of the pipe in a flat shape; when the engaging cover is acted upon by the locking part, the rubber pad is deformed and pressed against the outer wall of the pipe. The locking part maintains the effect on the engaging cover under the action of the stress mechanism, thereby better achieving the sealing performance between the connector body and the pipe interface part during actual use. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 Schematic diagram of the structure of the connector body in an embodiment of the present invention.

[0026] Figure 2 It is a schematic diagram of the exploded structure of the connector body in an embodiment of the present invention.

[0027] Figure 3 Schematic diagram of the cross-sectional structure of the connector body in an embodiment of the present invention.

[0028] Figure 4 It is a schematic diagram of the local structure of the tube body in an embodiment of the present invention.

[0029] Figure 5 It is a schematic diagram of the local structure of the tube body in an embodiment of the present invention.

[0030] Figure 6 yes Figure 3 Schematic diagram of the structure of part A.

[0031] Figure 7 Schematic diagram of the structure of the pre-positioning member in the embodiment of the present invention.

[0032] Figure 8 2 is a schematic diagram of the structure of the interlocking cover in an embodiment of the present invention.

[0033] Fig. 9 Schematic diagram of the structure of the annular rotating block in the embodiment of the present invention.

[0034] Figure Number:

[0035] 100, connector body; 110, tube body; 111, direct current channel; 120, connecting mechanism; 121, pre-positioning part; 122, fitting part; 123, locking part; 130, stress mechanism; 140, ball valve; 210, pre-positioning member; 220, fitting cover; 230, locking member; 510, boss; 511, rectangular through hole; 520, rotating ring; 521, concave hole; 530, fixing seat; 610, annular stepped groove; 620, annular stepped block; 630, arc-shaped protruding block; 6 40. Positioning column; 650. First spring; 660. Telescopic hole; 670. Second spring; 680. Protrusion; 710. Clamp; 711. First wedge surface; 720. Rubber ring; 810. Insertion groove; 811. Second wedge surface; 820. Fitting groove; 830. Rectangular locking block; 831. Wedge groove; 910. Annular rotating block; 920. Wedge block; 930. Connecting plate; 940. Pull hole; 950. Articulated seat; 960. Bending spring; 970. Pull rope; 980. Threaded column. DETAILED DESCRIPTION

[0036] The present invention will be further described in detail below with reference to the accompanying drawings and by way of examples. The following examples are intended to explain the present invention but the present invention is not limited to the following examples.

[0037] Embodiment 1:

[0038] See also Figure 1-Figure 8The present embodiment provides a pipeline quick connector, which includes a connector body 100, the connector body 100 includes a pipe body 110, the pipe body 110 is axially penetrated to form a direct current channel 111, and a connecting mechanism 120 is provided at both ends; the connecting mechanism 120 includes a pre-positioning portion 121, a fitting portion 122 and a locking portion 123, the pre-positioning portion 121 includes a pre-positioning member 210 that can be pulled outward along the axial direction of the pipe body 110 from the open end of the pipe body 110, and the pre-positioning member 210 is used to be positioned on the inner wall of the pipe and has a protruding pipe. The outer wall of the pipe has a positioning column 640, and the engaging portion 122 includes an engaging cover 220 sleeved on the outer wall of the pipe. The engaging cover 220 is provided with an engaging groove 810 for the positioning column 640 to be engaged. The pre-positioning member 210 and the engaging cover 220 are used together to form the circumferential positioning of the tube body 110 between the two pipes. The locking portion 123 includes a locking member 230 rotatably arranged at the open end of the tube body 110. The locking member 230 realizes the axial positioning between the pre-positioning member 210 and the engaging cover 220 during the circumferential rotation of the tube body 110 from the initial position.

[0039] The pipeline quick connector provided in this embodiment is divided into three stages in actual use:

[0040] First, the first installation

[0041] When workers connect two pipes, they need to select a suitable model of the connector body 100 according to the diameter of the pipes, and then use a drilling tool such as an electric drill to drill holes at uniform intervals along the axial direction of the pipes at the interface ends of the pipes. The drilling positions and sizes are consistent with the arrangement positions and diameters of the positioning columns 640. Subsequently, the two pipes to be connected are arranged and fixed, and the spacing between the two pipe interfaces is basically consistent with the length of the connector body 100. Installation can be carried out after the preparation work is completed. During installation, first, the chimeric cover 220 is put on the outer wall of the pipe, and then the pre- The positioning member 210 is pulled outward along the axial direction of the tube body 110 from the open end of the tube body 110, and the positioning column 640 is positioned at the corresponding drilled hole, and then the engaging cover 220 is moved so that the snap-in groove 810 at the engaging cover 220 can snap the positioning column 640 in. At this time, the circumferential direction of the tube body 100 is circumferentially positioned between the two pipes. Subsequently, the axial positioning between the pre-positioning member 210 and the engaging cover 220 is achieved by the locking portion 123 during the circumferential rotation of the tube body 110 at the initial position, and the initial installation of the connector body 100 can be achieved.

[0042] Second, dredge the pipeline

[0043] Generally, to clear the pipeline, the two pipeline nodes need to be disassembled for operation. The worker only needs to rotate the locking portion 123 to the initial position, release the axial positioning between the pre-positioning member 210 and the embedded cover 220, and then slide the embedded cover 220 in the opposite direction to disengage the positioning column 640 from the insertion groove 810, and finally disengage the positioning column 640 from the drill hole, so as to realize the disassembly of the connector body 100 at the two pipelines;

[0044] Third, pipeline maintenance

[0045] If the outer wall of one of the two pipes is damaged, the worker only needs to rotate the locking portion 123 to the initial position, release the axial positioning between the pre-positioning member 210 and the engaging cover 220 at the corresponding pipe, and then slide the engaging cover 220 in the opposite direction to disengage the positioning column 640 from the engaging groove 810, and finally disengage the positioning column 640 from the drill hole, so that the damaged pipe can be repaired without completely dismantling the connector body 100;

[0046] Furthermore, in this embodiment, the pipe body 110 is provided with a ball valve 140 at the direct current channel 111 , so the connector body 100 can be used as a one-way valve, making it convenient for workers to perform pipeline maintenance at close range.

[0047] Specifically, an annular step groove 610 is provided at the open end of the tube body 110, and the pre-positioning member 210 includes an annular step block 620 located in the annular step groove 610 and moving axially along the tube body 110, the tail end of the annular step block 620 is limited in the annular step groove 610, and the annular step groove 610 is provided with a first spring 650, and the first spring 650 is used to maintain the tendency of the annular step block 620 to move inward, the head end of the annular step block 620 extends out of the annular step groove 610 and a plurality of arc-shaped protruding plates 630 are evenly spaced along the annular step block 620, the positioning column 640 is provided at the arc-shaped protruding plate 630, and two positioning columns 640 are provided at any arc-shaped protruding plate 630, and the two positioning columns 640 are axially parallel and spaced apart, and a rubber ring 720 is sleeved on the annular step block 620, and the rubber ring 720 is sleeved at the interval between the two positioning columns 640 and the diameter of the rubber ring 720 is smaller than the interval between the two positioning columns 640.

[0048] Through the above-mentioned structure, when the positioning column 640 is acted upon by the engaging cover, the arc-shaped protruding plate 630 can be slightly deformed, so that the positioning column 640 can slide a certain distance at the drilling hole, and then press the rubber ring against the inner wall of the pipe, wherein the diameter of the rubber ring 720 is smaller than the spacing between the two positioning columns 640, so that when the rubber ring is pressed, the rubber ring can be deformed and the contact area with the inner wall of the pipe is larger, thereby better ensuring the sealing of the inner wall of the pipe.

[0049] Specifically, the number of snap-in grooves 810 corresponds to the number of arc-shaped protruding plates 630, and the two positioning columns 640 at the same arc-shaped protruding plate 630 are snapped into one snap-in groove 810 together. The axial direction of the positioning column 640 is perpendicular to the axial direction of the tube body 110, and the length direction of the snap-in groove 810 is arranged along the axial direction of the tube body 110. A clamping head 710 is formed at the end of the positioning column 640, and the clamping head 710 has a first wedge surface 711. The groove depth of the snap-in groove 810 gradually decreases from the clamping end of the clamping head 710 toward the deep-entering end of the clamping head 710, and the inner side wall of the snap-in groove 810 forms a second wedge surface 811 that cooperates with the first wedge surface 711. When the clamping head 710 goes deeper along the snap-in groove 810, the rubber ring 720 is deformed and pressed against the inner wall of the pipe in a flat shape.

[0050] Through the above-mentioned structure, the depth of the snap-in groove 810 gradually decreases from the snap-in end of the clamping head 710 toward the deep-entry end of the clamping head 710. This enables the engaging cover 220 to move toward the tube body 100 under the action of the locking member 230. The second wedge surface 811 of the inner wall of the snap-in groove 810 cooperates with the first wedge surface 711 of the clamping head 710 to force the positioning column 640 to slide a certain distance at the drilling hole, thereby achieving the deformation of the rubber ring 720 and pressing it against the inner wall of the pipe in a flat shape.

[0051] Specifically, the side wall of the engaging cover 220 facing the tube body 110 is provided with a plurality of fitting grooves 820 evenly spaced along the circumferential direction, and a rubber pad is provided in any fitting groove 820, and the block diameter of the rubber pad is larger than the caliber of the fitting groove 820. When the engaging cover 220 cooperates with the locking piece 230, the engaging cover 220 has a tendency to move toward the tube body 110, and the rubber pad is deformed under the movement tendency of the engaging cover 220 and pressed against the outer wall of the pipe.

[0052] With the above structure, the engaging cover 220 has a tendency to move toward the tube body 110 when the locking member 230 acts on it, so that the rubber pad can be deformed and pressed against the outer wall of the pipe under the movement trend of the engaging cover 220, thereby achieving sealing at the outer wall of the pipe.

[0053] Specifically, the open end of the tube body 110 is formed with a boss 510 and a rotating ring 520 for the locking member 230 to rotate. The boss 510 is evenly spaced along the circumference with rectangular through holes 511, and the rectangular through holes 511 are connected to the rotating ring 520. The side wall of the chimeric cover 220 facing the open end of the tube body 110 is evenly spaced along the axial direction with rectangular locking blocks 830, and the rectangular locking blocks 830 correspond to the rectangular through holes 511 one by one. The end of the rectangular locking block 830 is self-reinforced. The rectangular through hole 511 extends into the rotating ring channel 520, and the locking member 230 includes an annular rotating block 910 rotatably arranged at the rotating ring channel 520. The end of the rectangular locking block 830 is provided with a wedge-shaped groove 831. The annular rotating block 910 is provided with a wedge-shaped block 920. When the annular rotating block 910 is located at the rotating ring channel 520 and rotates, the side wall of the wedge-shaped block 920 abuts against the inner wall of the wedge-shaped groove 831 so that the chimeric cover 220 has a tendency to move toward the tube body 110.

[0054] Through the above-mentioned structure, when the annular rotating block 910 rotates circumferentially along the tube body 110 from the initial position, the side wall of the wedge block 920 abuts against the inner wall of the wedge groove 831 to make the chimeric cover 220 move toward the tube body 110, and can maintain the chimeric cover 220 with the tendency to move toward the tube body 110, so as to better realize the rubber pad to be deformed and pressed against the outer wall of the pipe under the movement tendency of the chimeric cover 220, and at the same time realize the axial positioning of the chimeric cover 220 by the locking piece 230.

[0055] Specifically, the annular rotating blocks 910 at the open ends on both sides of the tube body 110 are connected by a connecting plate 930, and a stress mechanism 130 is provided at the side wall of the tube body 110. The stress mechanism 130 includes a fixed seat 530 arranged at the side wall of the tube body 110, a pulling hole 940 is provided at the connecting plate 930, and a hinge seat 950 is hinged at the pulling hole 940. A bending spring 960 and a pulling rope 970 located in the bending spring 960 are fixed at one end of the hinge seat 950, and a threaded column 980 is provided at the end of the pulling rope 970. The threaded column 980 passes through the fixed seat 530 and is threadedly connected with a nut.

[0056] Through the above-mentioned structure, after the annular rotating block 910 acts on the interlocking cover 220, the annular rotating block 910 can squeeze the bending spring 960 under the action of the pulling rope 970, and cooperate with the nut and the threaded column 980 to keep the bending spring 960 in an extruded state. Under the elastic action of the bending spring 960, the annular rotating block 910 can be relatively stable, and under the cooperation of the nut and the threaded column 980, the annular rotating block 910 can better maintain the interlocking cover 220 with the tendency to move toward the tube body 110, that is, better realize the axial positioning of the interlocking cover 220.

[0057] Specifically, a plurality of recessed holes 521 are evenly spaced along the circumferential direction on the side wall of the rotating ring track 520, and a plurality of telescopic holes 660 are evenly spaced along the circumferential direction on the side wall of the annular rotating block 910. A second spring 670 and a protrusion 680 arranged at the end of the second spring 670 are provided in any telescopic hole 660, and the protrusion 680 is used to cooperate with the recessed hole 521.

[0058] Through the above structure, when the annular rotating block 910 rotates in the rotating ring 520, the protrusion 680 cooperates with the recessed hole 521, so that the annular rotating block 910 can be positioned at any time when there is no external force, and the structure is relatively reasonable.

[0059] Embodiment 2:

[0060] This embodiment, based on Embodiment 1, provides a drainage pipeline, which is connected through a pipeline quick connector provided in Embodiment 1.

[0061] Embodiment 3:

[0062] This embodiment provides a construction method of a pipeline quick connector based on Embodiment 1, which is implemented by a pipeline quick connector provided by Embodiment 1 and includes the following steps:

[0063] S1. Select the model of the connector body 100 according to the diameter of the pipeline;

[0064] S2. Based on the selected model of the connector body 100 , the opening ends of the two pipes to be connected are drilled respectively, and the holes are drilled according to the size of the pre-positioning portion 121 ;

[0065] S3, based on the selected model of the connector body 100, the distance between the two pipes is kept fixed, and the connector body 100 is installed, and the installation process includes pre-positioning, secondary positioning and tertiary positioning;

[0066] S31, pre-positioning, pulling the positioning column 640 of the pre-positioning member 210 outward from the open end of the pipe body 110 and inserting it into the drilled hole, so that the positioning column 640 extends out of the outer wall of the pipe;

[0067] S32, secondary positioning, sliding the interlocking cover 220 sleeved on the outer wall of the pipe so that the positioning column 640 enters the slot 810, so that the pipe body 110 is located between the two pipes for circumferential positioning under the joint action of the pre-positioning member 210 and the interlocking cover 220;

[0068] S33, positioning for the third time, rotating the locking member 230 at the open end of the tube body 110, so that the locking member 230 is axially positioned between the pre-positioning member 210 and the interlocking cover 220 during the process of rotating the locking member 230 along the circumferential direction of the tube body 110 from the initial position;

[0069] S4. Installation completed.

[0070] The above contents described in this specification are merely examples of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, as long as they do not deviate from the contents of the present specification or exceed the scope defined by the claims, they shall all fall within the protection scope of the present invention.

Claims

1. A pipeline quick connector, characterized in that: The connector body (100) includes a tube body (110), the tube body (110) is penetrated along the axial direction to form a direct current channel (111), and a connection mechanism (120) is provided at both ends; the connection mechanism (120) includes a pre-positioning portion (121), a fitting portion (122) and a locking portion (123), the pre-positioning portion (121) includes a pre-positioning member (210) which can be pulled outward along the axial direction of the tube body (110) from the opening end of the tube body (110), the pre-positioning member (210) is used to be positioned on the inner wall of the pipe and has a positioning column (640) extending outward from the outer wall of the pipe ), the engaging portion (122) comprises an engaging cover (220) sleeved on the outer wall of the pipe, the engaging cover (220) is provided with an engaging groove (810) for the positioning column (640) to be engaged, the pre-positioning member (210) and the engaging cover (220) are used together to form the circumferential positioning of the pipe body (110) between the two pipes, and the locking portion (123) comprises a locking member (230) rotatably arranged at the open end of the pipe body (110), and the locking member (230) realizes the axial positioning between the pre-positioning member (210) and the engaging cover (220) during the process of rotating from the initial position along the circumference of the pipe body (110).

2. A pipeline quick connector according to claim 1, characterized in that: The open end of the tube body (110) is provided with an annular step groove (610), the pre-positioning member (210) comprises an annular step block (620) located in the annular step groove (610) and moving along the axial direction of the tube body (110), the tail end of the annular step block (620) is limited in the annular step groove (610), the annular step groove (610) is provided with a first spring (650), the first spring (650) is used to maintain the tendency of the annular step block (620) to move inward, and the head end of the annular step block (620) extends out of the annular step groove (610). ) and a plurality of arc-shaped protruding plates (630) are evenly spaced along the annular step block (620), a positioning column (640) is arranged at the arc-shaped protruding plate (630), and two positioning columns (640) are arranged at any arc-shaped protruding plate (630), and the two positioning columns (640) are arranged axially parallel and spaced apart, a rubber ring (720) is sleeved on the annular step block (620), and the rubber ring (720) is sleeved at the interval between the two positioning columns (640), and the diameter of the rubber ring (720) is smaller than the interval between the two positioning columns (640).

3. A pipeline quick connector according to claim 2, characterized in that: The number of the snap-in grooves (810) corresponds to the number of the arc-shaped protruding plates (630); two positioning columns (640) at the same arc-shaped protruding plate (630) are snap-into one snap-in groove (810); the axial direction of the positioning column (640) is perpendicular to the axial direction of the tube body (110); the length direction of the snap-in groove (810) is arranged along the axial direction of the tube body (110); a clamping head (710) is formed at the end of the positioning column (640); the clamping head (710) has a first wedge surface (711); the groove depth of the snap-in groove (810) gradually decreases from the clamping end of the clamping head (710) toward the deep end of the clamping head (710); the inner side wall of the snap-in groove (810) forms a second wedge surface (811) matched with the first wedge surface (711); when the clamping head (710) goes deep into the snap-in groove (810), the rubber ring (720) is deformed and flattened to press against the inner wall of the pipe.

4. A pipeline quick connector according to claim 3, characterized in that: A plurality of fitting grooves (820) are evenly spaced along the circumferential direction on the side wall of the fitting cover (220) facing the tube body (110), and a rubber pad is provided in each fitting groove (820). The block diameter of the rubber pad is larger than the diameter of the fitting groove (820). When the fitting cover (220) is matched with the locking member (230), the fitting cover (220) has a tendency to move toward the tube body (110), and the rubber pad is deformed under the movement tendency of the fitting cover (220) and pressed against the outer wall of the pipe.

5. A pipeline quick connector according to claim 4, characterized in that: The open end of the tube body (110) is formed with a boss (510) and a rotating ring (520) for the locking member (230) to rotate. The boss (510) is provided with rectangular through holes (511) evenly spaced along the circumferential direction. The rectangular through holes (511) are connected to the rotating ring (520). The side wall of the chimeric cover (220) facing the open end of the tube body (110) is provided with rectangular locking blocks (830) evenly spaced along the axial direction. The rectangular locking blocks (830) correspond to the rectangular through holes (511) one by one. The ends of the rectangular locking blocks (830) are inserted from the rectangular through holes. (511) extends into the rotating ring track (520), the locking member (230) includes an annular rotating block (910) rotatably arranged at the rotating ring track (520), a wedge-shaped groove (831) is provided at the end of the rectangular locking block (830), and the annular rotating block (910) is provided with a wedge-shaped block (920). When the annular rotating block (910) is located at the rotating ring track (520) and rotates, the side wall of the wedge-shaped block (920) abuts against the inner wall of the wedge-shaped groove (831) so that the chimeric cover (220) has a tendency to move toward the tube body (110).

6. A pipeline quick connector according to claim 5, characterized in that: The annular rotating blocks (910) at the open ends on both sides of the tube body (110) are connected by a connecting plate (930), and a stress mechanism (130) is provided at the side wall of the tube body (110). The stress mechanism (130) includes a fixed seat (530) arranged at the side wall of the tube body (110), a pulling hole (940) is provided at the connecting plate (930), and a hinge seat (950) is hinged at the pulling hole (940), and a bending spring (960) and a pulling rope (970) located in the bending spring (960) are fixed at one end of the hinge seat (950), and a threaded column (980) is provided at the end of the pulling rope (970), and the threaded column (980) passes through the fixed seat (530) and is threadedly connected to a nut.

7. A pipeline quick connector according to claim 5, characterized in that: The side wall of the rotating ring track (520) is provided with a plurality of concave holes (521) at even intervals along the circumferential direction, and the side wall of the annular rotating block (910) is provided with a plurality of telescopic holes (660) at even intervals along the circumferential direction. A second spring (670) and a convex block (680) arranged at the end of the second spring (670) are arranged in any telescopic hole (660), and the convex block (680) is used to cooperate with the concave hole (521).

8. The pipeline quick connector according to claim 1, characterized in that: The pipe body (110) is provided with a spherical valve (140) at the direct current channel (111).

9. A drainage pipeline, characterized in that: The connection is performed by a pipeline quick connector as described in any one of claims 1-9.

10. A construction method for a pipeline quick connector, characterized in that: This is achieved by a pipeline quick connector as described in any one of claims 1 to 9, which comprises the following steps: S1. Select the model of the connector body (100) according to the diameter of the pipeline; S2, based on the selected model of the connector body (100), drilling holes at the open ends of the two pipes to be butted against each other, and drilling holes according to the size of the pre-positioning portion (121); S3, based on the selected model of the connector body (100), the distance between the two pipes is kept fixed and the connector body (100) is installed, wherein the installation process includes pre-positioning, secondary positioning and tertiary positioning; S31, pre-positioning, pulling the positioning column (640) of the pre-positioning member (210) outward from the opening end of the pipe body (110) and inserting it into the drilled hole, so that the positioning column (640) extends out of the outer wall of the pipe; S32, secondary positioning, sliding the interlocking cover (220) sleeved on the outer wall of the pipe so that the positioning column (640) enters the snap-in groove (810), so that the pipe body (110) is located between the two pipes for circumferential positioning under the joint action of the pre-positioning member (210) and the interlocking cover (220); S33, positioning three times, rotating the locking piece (230) at the open end of the tube body (110) so that the locking piece (230) is axially positioned between the pre-positioning piece (210) and the interlocking cover (220) during the process of rotating the locking piece (230) along the circumferential direction of the tube body (110) from the initial position; S4. Installation completed.

Images