Connecting structure based on PE pipe

Abstract

The utility model relates to the technical field of pipeline connection, in particular to a connecting structure based on a PE pipe, which comprises a first pipeline, a second pipeline and a connecting device, the first pipeline is connected with the second pipeline through the connecting device, a driving shaft is rotated to enable a driving bevel gear to rotate, the driving bevel gear drives a driven bevel gear to rotate, and the driven bevel gear drives the first pipeline to rotate. And along with rotation of the threaded rod, the sliding block moves along the threaded rod to push the fastening block to move towards the first fixing ring in the rectangular groove, the fastening block gradually presses the second fixing ring and drives the second pipeline, and finally the second fixing ring and the first fixing ring are in butt joint and are firmly fixed in the connecting device. Meanwhile, the sealing gasket is pressed, the sealing effect is ensured, and when disassembly is needed, only the two sets of driving shafts need to be sequentially and reversely rotated, the fastening block is made to leave the second fixing ring, and locking of the second fixing ring is relieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline connection technical field, concretely is a kind of connection structure based on PE pipe. BACKGROUND

[0002] It is known that PE pipeline is the pipeline made of polyethylene plastic, PE material is widely used in water supply and drainage manufacturing field due to its high strength, high temperature resistance, corrosion resistance, nontoxic, wear resistance and other characteristics, when connecting PE pipeline, it needs to use connection structure, therefore we propose a kind of connection structure for PE pipeline.

[0003] Traditional PE pipeline connection is generally hot melting or electric hot melting, and both hot melting or electric hot melting connection need to use special heating equipment, such as hot melting machine or electric melting welding machine, which increases construction cost and time, in addition, operating personnel must receive professional training to ensure connection quality, once completing hot melting or electric hot melting connection, this connection mode is permanent, almost impossible to easily disassemble or adjust, if needing to replace or repair certain section of pipeline, usually must cut off original connection part, which not only wastes material, but also increases maintenance cost. INVENTION CONTENTS

[0004] (I) technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides a kind of connection structure based on PE pipe.

[0006] (II) technical scheme

[0007] To achieve the above object, the utility model provides the following technical scheme: A kind of connecting structure based on PE pipe, including first pipeline, second pipeline and connecting device, the first pipeline and the second pipeline are connected by the connecting device, the connecting device includes first fixed ring, second fixed ring, rectangular block, cavity, rectangular slot, driving bevel gear, driven bevel gear, drive shaft, threaded rod, sliding block and fastening block, one end outer wall of the first pipeline is equipped with the first fixed ring, one end outer wall of the second pipeline is equipped with the second fixed ring, the left and right ends of the first fixed ring are equipped with the rectangular block, cavity is opened in the rectangular block, the bottom wall of the rectangular block is equipped with the rectangular slot passing through the cavity at one end away from the first fixed ring, the threaded rod is rotatably installed in the cavity, the upper end portion of the threaded rod close to the first fixed ring is equipped with the driven bevel gear, one side of the driven bevel gear is engagedly connected with the driving bevel gear, the driving bevel gear is equipped with the drive shaft at one end away from the driven bevel gear, the drive shaft penetrates the side wall of the rectangular block and extends to the outside of the cavity, the sliding block is screw-mounted on the threaded rod, the fastening block is fixedly installed at one end of the sliding block away from the rectangular slot, and the side wall of the first pipeline and the second pipeline is equipped with sealing gasket.

[0008] Preferably, the utility model improves, one end side wall of the first pipeline close to the second pipeline is equipped with guide groove, one end of the second pipeline close to the first pipeline is equipped with guide ring, and the guide groove and the guide ring are matched.

[0009] Preferably, the utility model improves, one end side wall of the second fixed ring away from the first fixed ring is equipped with two groups of symmetrical design positioning slot, and the side wall of two groups of fastening blocks is fixedly installed with positioning block, and the positioning slot and the positioning block are matched.

[0010] Preferably, the utility model improves, the positioning block and the positioning slot are cylindrical design.

[0011] Preferably, the utility model improves, the side wall of the first fixed ring close to the second fixed ring is annularly equipped with multiple groups of butt joint slots, the side wall of the second fixed ring close to the first fixed ring is annularly equipped with multiple groups of butt joint balls, and the butt joint slot and the butt joint ball are matched.

[0012] Preferably, the utility model improves, the first fixed ring and the second fixed ring are respectively hot melt mounted on the outer wall of the first pipeline and the second pipeline.

[0013] Preferably, the utility model improves, the end of the drive shaft is equipped with butterfly bolt.

[0014] Preferably, the utility model improves, the butterfly bolt outer wall is provided with antiskid line.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a connecting structure based on PE pipe has the following beneficial effects:

[0017] The connecting structure based on PE pipe, through the setting of connecting device, through two groups of drive shafts drive fastening block respectively to the both ends of first fixed ring and second fixed ring are extruded and realize fastening, make first pipeline and second pipeline connect, improve the stability and durability of connection, this connection structure allows the user to easily assemble or disassemble pipeline when needed, only need to rotate butterfly bolt drive shaft can realize fastening block and second fixed ring's locking or unlocking, simple and quick operation, need not use special tool, the setting of first fixed ring and second fixed ring not only help realize the connection between pipeline, also provide additional protective layer for pipeline, reduce the influence of external environmental factors to pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the local part A of the utility model Figure 1 Enlarged structure schematic diagram;

[0020] Figure 3 It is the rectangular block half-partial three-dimensional structure schematic diagram of the utility model;

[0021] Figure 4 It is the second pipeline three-dimensional structure schematic diagram of the utility model.

[0022] In the drawing: 1, first pipeline;2, second pipeline;3, first fixed ring;4, second fixed ring;5, rectangular block;6, cavity;7, rectangular groove;8, driving bevel gear;9, driven bevel gear;10, drive shaft;11, threaded rod;12, sliding block;13, fastening block;14, sealing gasket;15, guide slot;16, guide ring;17, positioning groove;18, positioning block;19, butt joint groove;20, butt joint ball;21, butterfly bolt. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] See Figures 1-4The utility model provides a kind of based on the connecting structure of PE pipe, including first pipeline 1, second pipeline 2 and connecting device, the first pipeline 1 and the second pipeline 2 are connected by the connecting device, the connecting device includes first fixed ring 3, second fixed ring 4, rectangular block 5, cavity 6, rectangular slot 7, driving bevel gear 8, driven bevel gear 9, drive shaft 10, threaded rod 11, slider 12 and fastening block 13, one end outer wall of the first pipeline 1 is equipped with the first fixed ring 3, one end outer wall of the second pipeline 2 is equipped with the second fixed ring 4, the left and right ends of the first fixed ring 3 are equipped with the rectangular block 5, the rectangular block 5 is equipped with cavity 6 in, the bottom wall of the rectangular block 5 is equipped with the rectangular slot 7 passing through the cavity 6 in one end away from the first fixed ring 3, the threaded rod 11 is rotatably installed in the cavity 6, the threaded rod 11 is equipped with the driven bevel gear 9 in the upper end portion close to the first fixed ring 3, the driven bevel gear 9 is engaged with the driving bevel gear 8 on one side, the driving bevel gear is equipped with the drive shaft 10 in one end away from the driven bevel gear 9, the drive shaft 10 passes through the lateral wall of the rectangular block 5 and extends to the outside of the cavity 6, the threaded rod 11 is equipped with the slider 12 on screw thread, the slider 12 is fixedly installed with the fastening block 13 in one end away from the rectangular slot 7, the side wall of the first pipeline 1 and the second pipeline 2 corresponding is equipped with sealing pad 14, in the embodiment, when using, ensure that the end of first pipeline 1 and second pipeline 2 is clean, without any foreign matter or damage, install sealing pad 14 on the side wall of the first pipeline 1 and the second pipeline 2 corresponding, ensure that sealing pad 14 position is correct and without wrinkle or damage, move first pipeline 1 and second pipeline 2 from top to bottom and make two ends align, and make first fixed ring 3 and second fixed ring 4 approach each other, at this moment, make second fixed ring 4 be in fastening block 13 close to one side of first fixed ring 3, rotate drive shaft 10, make driving bevel gear 8 rotate, driving bevel gear 8 drives driven bevel gear 9 to rotate, in turn make threaded rod 11 rotate, along with the rotation of threaded rod 11, slider 12 moves along threaded rod 11, push fastening block 13 and move in the direction of first fixed ring 3 in rectangular slot 7, fastening block 13 gradually compresses second fixed ring 4 and drives second pipeline 2, finally makes the butt joint of second fixed ring 4 and first fixed ring 3, makes first fixed ring 3 and second fixed ring 4 tightly butt joint, while compressing sealing pad 14, ensure sealing effect, rotate another group of drive shaft 10 according to the above steps, realize the connection of the two ends of first fixed ring 3 and second fixed ring 4 on first pipeline 1 and second pipeline 2, and the tightness of two ends makes that fastening force can be more evenly distributed in connecting part, by two groups of drive shaft 10 respectively to the two ends of first fixed ring 3 and second fixed ring 4 fastening, can significantly improve the tensile strength of connecting point, ensure that pipeline does not come loose when bearing larger mechanical stress, improve the stability and durability of overall connection, when needing to disassemble,Only need to reverse rotation of two groups of drive shaft 10, make fastening block 13 away from the second fixed ring 4, remove the lock to the second fixed ring 4, then the second pipeline 2 and the first pipeline 1 is separated, make the second pipeline 2 moves up, then, realize the first pipeline 1 and the second pipeline 2 are dismantled.

[0025] Preferably, in the embodiment, the first pipeline 1 is close to the side wall of the second pipeline 2 and is provided with a guide groove 15, the second pipeline 2 is close to the first pipeline 1 and is provided with a guide ring 16, the guide groove 15 and the guide ring 16 are matched, when the fastening block 13 pushes the second fixed ring 4 to move towards the first fixed ring 3, the guide ring 16 at one end of the second fixed ring 4 slides into the guide groove 15, the cooperation between the guide groove 15 and the guide ring 16 can guide the second pipeline 2 to enter the predetermined position accurately, prevent the deflection or misplacement during the insertion process, play a guiding role for the butt joint of the first pipeline 1 and the second pipeline 2.

[0026] Preferably, in the embodiment, the second fixed ring 4 is away from the first fixed ring 3 and is provided with two groups of symmetrical designed positioning grooves 17 on the side wall of one end, the side wall of two groups of fastening blocks 13 is fixedly provided with a positioning block 18, the positioning groove 17 and the positioning block 18 are matched, when the fastening block 13 pushes the second fixed ring 4 to move towards the first fixed ring 3, the positioning block 18 will be embedded in the positioning groove 17, then push the second fixed ring 4 to move towards the first fixed ring 3, realize the connection, after the positioning block 18 is embedded in the positioning groove 17, additional mechanical support can be provided to prevent the fastening block 13 from deviating, enhance the fastening effect, make the connection more stable and reliable.

[0027] Preferably, in the embodiment, the positioning block 18 and the positioning groove 17 are both designed in a cylindrical shape, the cylindrical design makes the fastening force evenly distributed on the contact surface of the positioning block 18 and the positioning groove 17, the cylindrical surface is smooth and continuous, reduces the friction resistance, reduces the wear speed between the positioning block 18 and the positioning groove 17, prolongs the service life.

[0028] Preferably, in the embodiment, the side wall of the first fixed ring 3 close to the second fixed ring 4 is annularly provided with a plurality of butt joint grooves 19, the side wall of the second fixed ring 4 close to the first fixed ring 3 is annularly provided with a plurality of butt joint balls 20, the butt joint groove 19 and the butt joint ball 20 are matched, when the butt joint ball 20 enters the butt joint groove 19, it can naturally guide itself into the correct position, reduce the alignment difficulty during installation, after the butt joint ball 20 is embedded in the butt joint groove 19, additional mechanical support can be provided to reduce the shaking or displacement of the pipeline at the connection, thereby improving the stability of the whole system, the design of the butt joint groove 19 and the butt joint ball 20 makes the fastening force evenly distributed on the contact surface, avoids the local stress concentration, improves the stability and durability of the connection.

[0029] Preferably, in this embodiment, the first fixing ring 3 and the second fixing ring 4 are respectively heat-fusedly installed on the outer wall of the first pipe 1 and the second pipe 2, heat-fused installation is to melt and fuse the materials between the PE pipe and the fixing ring together by heating, forming an integral structure, since the heat-fused connection is the molecular fusion between materials, the formed connection point has very high tensile strength and can withstand large mechanical stress, ensuring long-term stability and reliability.

[0030] Preferably, in this embodiment, the end of the drive shaft 10 is provided with a butterfly bolt 21, the design of the butterfly bolt 21 allows the user to easily rotate the drive shaft 10 by hand, without the need to use a wrench or other tools, simplifying the installation and disassembly process, and due to its wide wing design, the butterfly bolt 21 can provide a large torque output, allowing the user to quickly complete the connection or disconnection of the pipe.

[0031] Preferably, in this embodiment, the outer wall of the butterfly bolt 21 is provided with anti-skid lines, which can significantly increase the friction between the hand and the butterfly bolt 21, especially in the case of wet hands or wearing gloves, effectively preventing operation errors caused by slippery hands.

[0032] In order to explain the possible application scenarios, technical principles, specific implementation schemes, and the purposes and effects that can be achieved of the present application, the following will be described in detail in combination with the specific embodiments listed and the accompanying drawings. The embodiments described in this paper are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0033] Although the embodiments of the present application have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A connection structure based on PE pipes, comprising a first pipe (1), a second pipe (2) and a connection device, characterized in that: The first pipeline (1) and the second pipeline (2) are connected through the connecting device, the connecting device comprises a first fixed ring (3), a second fixed ring (4), a rectangular block (5), a cavity (6), a rectangular groove (7), a driving bevel gear (8), a driven bevel gear (9), a drive shaft (10), a threaded rod (11), a sliding block (12) and a fastening block (13), one end of the outer wall of the first pipeline (1) is provided with the first fixed ring (3), one end of the outer wall of the second pipeline (2) is provided with the second fixed ring (4), the left and right ends of the first fixed ring (3) are provided with the rectangular block (5), the rectangular block (5) is provided with a cavity (6) inside, the bottom wall of the rectangular block (5) is provided with the rectangular groove (7) penetrating through the cavity (6) away from one end of the first fixed ring (3), the threaded rod (11) is rotatably installed in the cavity (6), the driven bevel gear (9) is installed on the upper end of the threaded rod (11) close to the first fixed ring (3), the driving bevel gear (8) is engaged with one side of the driven bevel gear (9), the drive shaft (10) is installed on one end of the driving bevel gear (8) away from the driven bevel gear (9), the drive shaft (10) penetrates through the side wall of the rectangular block (5) and extends out of the cavity (6), the sliding block (12) is threadedly installed on the threaded rod (11), the fastening block (13) is fixedly installed on one end of the sliding block (12) away from the rectangular groove (7), and the corresponding side walls of the first pipeline (1) and the second pipeline (2) are both provided with sealing pads (14).

2. The PE pipe based connection structure according to claim 1, characterized in that: The first pipeline (1) is provided with a guide groove (15) on one end of the side wall close to the second pipeline (2), and the second pipeline (2) is provided with a guide ring (16) on one end close to the first pipeline (1), the guide groove (15) and the guide ring (16) are matched.

3. The PE pipe based connection structure according to claim 2, characterized in that: The side wall of one end of the second fixed ring (4) away from the first fixed ring (3) is provided with two groups of symmetrically designed positioning grooves (17), the side walls of the two groups of fastening blocks (13) are both fixedly provided with positioning blocks (18), and the positioning grooves (17) and the positioning blocks (18) are matched.

4. The PE pipe based connection structure according to claim 3, characterized in that: The positioning blocks (18) and the positioning grooves (17) are both designed in a cylindrical shape.

5. The PE pipe based connection structure according to claim 4, characterized in that: The side wall of the first fixed ring (3) close to the second fixed ring (4) is annularly provided with a plurality of butt grooves (19), the side wall of the second fixed ring (4) close to the first fixed ring (3) is annularly provided with a plurality of butt balls (20), and the butt grooves (19) and the butt balls (20) are matched.

6. The PE pipe based connection structure according to claim 5, characterized in that: The first fixed ring (3) and the second fixed ring (4) are respectively heat-fusedly installed on the outer walls of the first pipeline (1) and the second pipeline (2).

7. The PE pipe based connection structure according to claim 6, characterized in that: The end of the drive shaft (10) is provided with a butterfly bolt (21).

8. The PE pipe based connection structure according to claim 7, characterized in that: The outer wall of the butterfly bolt (21) is provided with anti-skid lines.

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