A phosphogypsum composite PVC double-wall multi-purpose pipe and its manufacturing process

Abstract

The present invention discloses a phosphogypsum composite PVC double-wall multi-purpose pipe, comprising an outer pipe, an inner pipe located inside the outer pipe, and a connector fixed at both ends of the outer pipe and the inner pipe, the left and right ends of the slide are both slidably connected with a moving seat, the slide is provided with a connector located between the left and right groups of moving seats, the connecting plate is movably connected to the corresponding moving seat through a first pin shaft, and the two groups of connecting plates are both movably connected with a connecting seat through a second pin shaft; the connector comprises a plug-in pipe inserted into the gap between the outer pipe and the inner pipe through both ends, and the cylinder on the moving seat is clamped in the corresponding clamping groove. The operation of connecting the inner pipe and the outer pipe of the present invention is simple and convenient; the left and right groups of connecting plates and the inner pipe form a triangular support, so that the inner pipe and the outer pipe are more firmly and stably connected; the plug-in pipe tightly connects the outer pipe and the inner pipe ends to which the connector is attached, so that the connector is tightly connected to the inner pipe and the outer pipe, further increasing the firmness of the connection between the inner pipe and the outer pipe.

Description

Technical Field

[0001] The invention belongs to the technical field of pipelines, and in particular relates to a phosphogypsum composite PVC double-wall multi-purpose pipe and a manufacturing process thereof. Background Art

[0002] The PVC double-wall pipe is a double-layer structure consisting of an inner pipe and an outer pipe. The existing PVC double-wall pipe has poor firmness after the inner and outer pipes are connected, and the inner and outer pipes are easily misaligned, resulting in poor overall structural strength of the PVC double-wall pipe. The connection operation of the inner and outer pipes is also relatively complicated, resulting in a certain degree of difficulty in production and difficulty in mass production. For this reason, we propose a phosphogypsum composite PVC double-wall multi-purpose pipe and its manufacturing process to solve the problems mentioned in the above background technology. Summary of the invention

[0003] The object of the present invention is to provide a phosphogypsum composite PVC double-wall multi-purpose pipe and a manufacturing process thereof to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a phosphogypsum composite PVC double-wall multi-purpose pipe, comprising an outer pipe, an inner pipe located inside the outer pipe, and connectors fixed at both ends of the outer pipe and the inner pipe, wherein the upper and lower end surfaces of the inner pipe are provided with slide grooves, and both left and right ends of the slide grooves are slidably connected with moving seats, and a connecting piece located between the left and right groups of moving seats is provided inside the slide groove, and the connecting piece comprises left and right groups of connecting plates, and the connecting plates are movably connected to the corresponding moving seats through a first pin shaft, and the two groups of connecting plates are movably connected with connecting seats through a second pin shaft;

[0005] The connector includes a plug-in tube inserted into the gap between the outer tube and the inner tube through both ends, a limiting ring is provided at the end of the plug-in tube and clamped at the same end of the outer tube and the inner tube, and a clamping groove is provided on the upper and lower end surfaces of the plug-in tube, and the cylinder on the movable seat is clamped in the corresponding clamping groove;

[0006] The upper and lower end surfaces of the outer tube are provided with flat grooves, and the bolts threaded on the flat grooves extend into the outer tube and are threaded on the middle part of the connecting seat.

[0007] Preferably, the slide groove is T-shaped, the moving seat includes a moving block and a sliding protrusion at the bottom of the moving block, the cylinder is connected to the moving block, and the moving seat is slidably connected to the slide groove through the sliding protrusion.

[0008] Preferably, the moving block, the sliding protrusion and the cylinder are integrally formed, and the upper end of the moving block is arc-shaped, so that the surface of the moving block is flush with the surface of the inner tube.

[0009] Preferably, the connecting plate is movably connected to the notch groove on the moving block via a first pin shaft.

[0010] Preferably, the insert tube and the limiting ring are integrally formed, and the outer diameter of the limiting ring is consistent with the outer diameter of the outer tube.

[0011] The present invention also provides a manufacturing process of a phosphogypsum composite PVC double-wall multi-purpose pipe, which specifically comprises the following steps:

[0012] S1, slidingly connecting the movable seat to the slide grooves on the upper and lower end surfaces of the inner tube, and then movably connecting the connecting plate to the corresponding movable seat through the first pin shaft, and then connecting the connecting plate to the connecting seat through the second pin shaft;

[0013] S2, then press the connecting seat into the slide slot, so that the connecting plate is located in the slide slot and the moving seat slides to both ends of the slide slot;

[0014] S3, insert the inner tube into the outer tube so that the connecting seat is located at the corresponding position of the flat groove, insert the plug-in tube of the connector through both ends into the gap between the outer tube and the inner tube, and then rotate the connector through the limit ring so that the cylinder is clamped in the corresponding clamping groove;

[0015] S4. The bolts threaded on the flat groove extend into the outer tube and are threaded on the middle of the connecting seat, so that the connecting seat pulls the moving seat to slide inwardly of the slide groove through the connecting plate, so that the cylinder can close the connecting head to the two ends of the outer tube and the inner tube through the plug-in tube.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention provides a phosphogypsum composite PVC double-wall multi-purpose pipe and its manufacturing process. The present invention arranges a connecting piece, and the connecting piece includes two groups of left and right connecting plates. When the bolts are inserted into the locking connecting seat in the outer tube, the two groups of left and right connecting plates and the inner tube form a triangular support, so that the inner tube and the outer tube are more firmly and stably connected after being connected. At the same time, the connecting seat pulls the moving seat to slide inwardly of the slide groove through the connecting plate, so that the cylinder can close the outer tube and the two ends of the inner tube to the connecting head through the plug-in tube, so that the connecting head can be tightly connected to the inner tube and the outer tube, further increasing the firmness of the connection between the inner tube and the outer tube, and the operation of connecting the inner tube and the outer tube is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the decomposition structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the connection structure of two groups of connection plates and a connection seat of the present invention;

[0019] Figure 3 It is a schematic diagram of the exploded structure of the connection between the moving seat and the connecting plate of the present invention;

[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the connection between the moving seat and the connecting plate of the present invention;

[0021] Figure 5 It is a schematic structural diagram of the connector of the present invention;

[0022] Figure 6 It is a cross-sectional structural schematic diagram of the connection between the inner tube and the movable seat of the present invention;

[0023] Figure 7 It is a schematic diagram of the overall three-dimensional structure of the present invention.

[0024] In the figure: 1 inner tube, 2 outer tube, 3 flat groove, 4 bolt, 5 limit ring, 6 plug-in tube, 7 clamping groove, 8 connecting plate, 9 moving seat, 91 moving block, 92 sliding protrusion, 93 notched groove, 10 connecting seat, 11 second pin shaft, 12 first pin shaft, 13 cylinder, 14 slide groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0026] The present invention provides Figure 1-7 A phosphogypsum composite PVC double-wall multi-purpose pipe, comprising an outer pipe 2, an inner pipe 1 located inside the outer pipe 2, and connectors fixed at both ends of the outer pipe 2 and the inner pipe 1, wherein the upper and lower end surfaces of the inner pipe 1 are provided with a slide groove 14, and both left and right ends of the slide groove 14 are slidably connected with a moving seat 9, and a connecting piece located between the left and right groups of moving seats 9 is provided inside the slide groove 14, and the connecting piece comprises left and right groups of connecting plates 8, and the connecting plates 8 are movably connected to the corresponding moving seats 9 through a first pin shaft 12, and the two groups of connecting plates 8 are movably connected with a connecting seat 10 through a second pin shaft 11;

[0027] The connector includes a plug-in tube 6 inserted into the gap between the outer tube 2 and the inner tube 1 through both ends, a stop ring 5 is provided at the end of the plug-in tube 6 to be clamped at the same end of the outer tube 2 and the inner tube 1, and a clamping groove 7 is provided on the upper and lower end surfaces of the plug-in tube 6, and the cylinder 13 on the movable seat 9 is clamped in the corresponding clamping groove 7;

[0028] Flat grooves 3 are provided on the upper and lower end surfaces of the outer tube 2 . Bolts 4 threaded on the flat grooves 3 extend into the outer tube 2 and are threaded on the middle of the connecting seat 10 .

[0029] Specifically, the slide groove 14 is T-shaped, the moving seat 9 includes a moving block 91 and a sliding protrusion 92 at the bottom of the moving block 91 , the cylinder 13 is connected to the moving block 91 , and the moving seat 9 is slidably connected to the slide groove 14 via the sliding protrusion 92 .

[0030] Specifically, the moving block 91 , the sliding protrusion 92 and the cylinder 13 are integrally formed, and the upper end of the moving block 91 is arc-shaped, so that the surface of the moving block 91 is flush with the surface of the inner tube 1 .

[0031] Specifically, the connecting plate 8 is movably connected to the notch groove 93 on the moving block 91 through the first pin shaft 12 .

[0032] Specifically, the inserting tube 6 and the limiting ring 5 are integrally formed, and the outer diameter of the limiting ring 5 is consistent with the outer diameter of the outer tube 2 .

[0033] The present invention also provides a manufacturing process of a phosphogypsum composite PVC double-wall multi-purpose pipe, which specifically comprises the following steps:

[0034] S1, slide the movable seat 9 into the slide grooves 14 on the upper and lower end surfaces of the inner tube 1, then flexibly connect the connecting plate 8 to the corresponding movable seat 9 through the first pin shaft 12, and then connect the connecting plate 8 to the connecting seat 10 through the second pin shaft 11;

[0035] S2, then press the connecting seat 10 into the slide groove 14, so that the connecting plate 8 is located in the slide groove 14, and the moving seat 9 slides to the two ends of the slide groove 14;

[0036] S3, insert the inner tube 1 into the outer tube 2, so that the connecting seat 10 is located at the corresponding position of the flat groove 3, insert the plug tube 6 of the connector through both ends into the gap between the outer tube 2 and the inner tube 1, and then rotate the connector through the limit ring 5, so that the cylinder 13 is clamped in the corresponding clamping groove 7;

[0037] S4, the bolt 4 threaded on the flat groove 3 extends into the outer tube 2 and is threaded on the middle part of the connecting seat 10, so that the connecting seat 10 pulls the moving seat 9 to slide inside the slide groove 14 through the connecting plate 8, so that the cylinder 13 makes the connecting head close to the two ends of the outer tube 2 and the inner tube 1 through the plug-in tube 6.

[0038] To sum up, compared with the prior art, the present invention, through the setting of the connecting piece, includes two groups of left and right connecting plates 8. When the bolt 4 is extended into the locking connecting seat 10 in the outer tube 2, the two groups of left and right connecting plates 8 and the inner tube 1 form a triangular support, so that the inner tube 1 is more firmly and stably connected to the outer tube 2. At the same time, the connecting seat 10 pulls the moving seat 9 to slide inwardly of the slide groove 14 through the connecting plate 8, so that the cylinder 13 can press the connecting head against the two ends of the outer tube 2 and the inner tube 1 through the plug-in tube 6. In this way, the connecting head can be tightly connected to the inner tube 1 and the outer tube 2, further increasing the firmness of the connection between the inner tube 1 and the outer tube 2. The operation of connecting the inner tube 1 and the outer tube 2 is simple and convenient.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A phosphogypsum composite PVC double-wall multi-purpose pipe, comprising an outer pipe (2), an inner pipe (1) located inside the outer pipe (2), and connectors fixed at both ends of the outer pipe (2) and the inner pipe (1), characterized in that: The upper and lower end surfaces of the inner tube (1) are provided with a slide groove (14), and the left and right ends of the slide groove (14) are slidably connected with a movable seat (9). A connecting member located between the left and right groups of movable seats (9) is provided inside the slide groove (14), and the connecting member includes left and right groups of connecting plates (8), and the connecting plates (8) are movably connected to the corresponding movable seats (9) through a first pin shaft (12). The two groups of connecting plates (8) are movably connected to a connecting seat (10) through a second pin shaft (11); The connector comprises a plug-in tube (6) which is inserted into the gap between the outer tube (2) and the inner tube (1) via two ends, a stop ring (5) is provided at the end of the plug-in tube (6) and is clamped on the same end of the outer tube (2) and the inner tube (1), and clamping grooves (7) are provided on the upper and lower end surfaces of the plug-in tube (6), and the cylinder (13) on the movable seat (9) is clamped in the corresponding clamping groove (7); The upper and lower end surfaces of the outer tube (2) are provided with flat grooves (3), and the bolts (4) threadedly connected to the flat grooves (3) extend into the outer tube (2) and are threadedly connected to the middle of the connecting seat (10); The slide groove (14) is arranged in a T-shape, the movable seat (9) comprises a movable block (91) and a sliding protrusion (92) at the bottom of the movable block (91), the cylinder (13) is connected to the movable block (91), and the movable seat (9) is slidably connected to the slide groove (14) via the sliding protrusion (92); The moving block (91), the sliding protrusion (92) and the cylinder (13) are integrally formed, and the upper end of the moving block (91) is arc-shaped, so that the surface of the moving block (91) is flush with the surface of the inner tube (1); The connecting plate (8) is movably connected to the notch groove (93) on the moving block (91) via a first pin shaft (12).

2. The phosphogypsum composite PVC double-wall multi-purpose pipe according to claim 1, characterized in that: The plug-in tube (6) and the limiting ring (5) are integrally formed, and the outer diameter of the limiting ring (5) is consistent with the outer diameter of the outer tube (2).

3. A manufacturing process for the phosphogypsum composite PVC double-wall multi-purpose pipe according to claim 1, characterized in that: The specific steps include: S1, slidingly connecting the movable seat (9) to the slide grooves (14) on the upper and lower end surfaces of the inner tube (1), then movably connecting the connecting plate (8) to the corresponding movable seat (9) through the first pin shaft (12), and then connecting the connecting plate (8) to the connecting seat (10) through the second pin shaft (11); S2, then press the connecting seat (10) into the slide groove (14), so that the connecting plate (8) is located in the slide groove (14) and the movable seat (9) slides to the two ends of the slide groove (14); S3, inserting the inner tube (1) into the outer tube (2) so that the connecting seat (10) is located at the corresponding position of the flat groove (3), inserting the plug tube (6) of the connecting head into the gap between the outer tube (2) and the inner tube (1) through both ends, and then rotating the connecting head through the limiting ring (5) so that the cylinder (13) is clamped in the corresponding clamping groove (7); S4, the bolt (4) threaded on the flat groove (3) extends into the outer tube (2) and is threaded on the middle part of the connecting seat (10), so that the connecting seat (10) pulls the movable seat (9) to slide inside the slide groove (14) through the connecting plate (8), so that the cylinder (13) can closely contact the two ends of the outer tube (2) and the inner tube (1) with the connecting head through the plug tube (6).

Images