Equipment for flaring plastic pipe

Abstract

The utility model discloses a plastic pipe flaring device which comprises a handle, sliding grooves are formed in the top and the bottom of the handle, sliding blocks are installed in the sliding grooves in a sliding mode, one ends of the sliding blocks extend into the sliding grooves, and the other ends of the sliding blocks extend out of the sliding grooves. A first rotating shaft is rotatably mounted at the end, extending out of the sliding groove, of the sliding block, one end of a connecting rod is rotatably mounted on the first rotating shaft, a second rotating shaft is rotatably mounted at the other end of the connecting rod, one end of a short rod is fixedly mounted on the second rotating shaft, a fixing frame is fixedly mounted at the other end of the short rod, and one end of a thick rod is fixedly mounted on one side of the fixing frame; an expansion plate is fixedly mounted at the other end of the thick rod. The arc-shaped expansion plate is arranged on one side of the handle, when the diameter of a plastic pipe is smaller than that of a connector, the plastic pipe can be heated, then the diameter of the plastic pipe is expanded through the expansion plate, and therefore the plastic pipe is matched with the connector.

Description

Technical Field

[0001] The utility model relates to the technical field of expanding equipment, in particular to equipment used for expanding plastic pipes. Background Art

[0002] Plastic pipes are chemical building materials made of high-tech composites, and chemical building materials are the fourth largest category of new building materials in the contemporary era after steel, wood, and cement. Chemical building materials have made great progress and rapid development in my country, especially the widespread use of new environmentally friendly plastic pipes, which has set off a revolution to replace traditional building materials. Plastic pipes have the advantages of small water flow loss, energy saving, material saving, ecological protection, and convenient completion. They are widely used in building water supply and drainage, urban water supply and drainage, and gas pipes, and have become the main force of urban construction pipe networks in the new century.

[0003] However, there are still some problems when using the existing expansion equipment:

[0004] When the existing plastic pipes are in use, it may happen that the plastic pipe is smaller than the interface, which leads to the replacement of other plastic pipes, which is very wasteful.

[0005] In view of the above problems, an innovative design is carried out on the basis of the original expanding equipment. Utility Model Content

[0006] The utility model aims to provide a device for expanding the mouth of a plastic pipe, so as to solve the expanding problem mentioned in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for expanding a plastic pipe, comprising a handle, wherein the top and the bottom of the handle are both provided with a sliding groove, a sliding block is slidably installed in the sliding groove, one end of the sliding block extends into the sliding groove, and the other end of the sliding block extends out of the sliding groove, and the end of the sliding block extending out of the sliding groove is rotatably installed with a first rotating shaft, one end of a connecting rod is rotatably installed on the first rotating shaft, and the other end of the connecting rod is rotatably installed with a second rotating shaft, one end of a short rod is fixedly installed on the second rotating shaft, and the other end of the short rod is fixedly installed with a fixing frame, one end of a thick rod is fixedly installed on one side of the fixing frame, and the other end of the thick rod is fixedly installed with an expansion plate;

[0008] A through hole is formed on the top of the handle, an opening is formed on the inner wall of one side of the through hole, a long rod is slidably installed in the opening, one end of the long rod extends into the sliding groove, the other end of the long rod extends into the through hole, and the end of the long rod extending into the sliding groove is fixedly connected to one side of the sliding block;

[0009] A vertical rod is fixedly mounted on one end of the long rod extending into the through hole, a third rotating shaft is rotatably mounted on one side of the vertical rod and on the inner wall of one side of the through hole, one end of a connecting rod is rotatably mounted on the third rotating shaft, and the other end of the connecting rod is rotatably mounted on the same fourth rotating shaft;

[0010] A storage slot is provided on the top of the handle, a telescopic rod is slidably installed in the storage slot, one end of the telescopic rod extends into the storage slot, and the other end of the telescopic rod extends out of the storage slot;

[0011] The end of the telescopic rod extending outside the storage slot is fixedly installed with a cross bar, a movable slot is opened at the bottom of the cross bar, a movable block is slidably installed in the movable slot, one end of the movable block extends into the movable slot, and the other end of the movable block extends outside the movable slot, and the end of the movable block extending outside the movable slot is rotatably connected to the fourth rotating shaft.

[0012] Preferably, the expansion plate is in an arc-shaped structure, and the fixing frame is in an L-shaped structure.

[0013] By adopting the above technical solution, the expansion plate is used to increase the diameter of the plastic pipe.

[0014] Preferably, one end of a first spring is fixedly mounted on one side of the sliding block, and the other end of the first spring is fixedly connected to an inner wall of one side of the sliding groove.

[0015] With the above technical solution, the first spring is used to drive the sliding block to reset after moving.

[0016] Preferably, the long rod is located in the sliding groove close to the through hole.

[0017] By adopting the above technical solution, the long rod is used to drive the sliding block to move horizontally.

[0018] Preferably, the connecting rod is located on a side of the vertical rod away from the expansion plate.

[0019] By adopting the above technical solution, the connecting rod is used to drive the vertical rod to move horizontally.

[0020] Preferably, one end of a second spring is fixedly mounted on one side of the telescopic rod, and the other end of the second spring is fixedly connected to an inner wall of one side of the storage groove.

[0021] By adopting the above technical solution, the second spring drives the telescopic rod to reset after being moved.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] An arc-shaped expansion plate is provided on one side of the handle. When the diameter of the plastic pipe is smaller than the diameter of the interface, the plastic pipe can be heated, and then the expansion plate can be used to expand the diameter of the plastic pipe to adapt to the interface. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a front view of the structure of the utility model;

[0025] Figure 2 It is a side view of the expansion plate of the structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the structure A part of the utility model;

[0027] Figure 4 It is a schematic diagram of structure B of the utility model.

[0028] In the figure: 1. handle; 2. sliding groove; 3. sliding block; 4. connecting rod; 5. short rod; 6. fixing frame; 7. thick rod; 8. expansion plate; 9. through hole; 10. opening; 11. long rod; 12. vertical rod; 13. connecting rod; 14. storage groove; 15. telescopic rod; 16. horizontal rod; 17. moving groove; 18. moving block. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-3 The utility model provides a technical solution: a device for expanding plastic pipes, comprising a handle 1, a sliding groove 2 is provided at the top and the bottom of the handle 1, a sliding block 3 is slidably installed in the sliding groove 2, one end of the sliding block 3 extends into the sliding groove 2, the other end of the sliding block 3 extends out of the sliding groove 2, the end of the sliding block 3 extending out of the sliding groove 2 is rotatably installed with a first rotating shaft, one end of a connecting rod 4 is rotatably installed on the first rotating shaft, the other end of the connecting rod 4 is rotatably installed with a second rotating shaft, one end of a short rod 5 is fixedly installed on the second rotating shaft, the other end of the short rod 5 is fixedly installed with a fixing frame 6, one end of a thick rod 7 is fixedly installed on one side of the fixing frame 6, and the other end of the thick rod 7 is fixedly installed with an expansion plate 8.

[0031] Combination Figure 1-3As shown, a through hole 9 is provided at the top of the handle 1, and an opening 10 is provided on the inner wall of one side of the through hole 9. A long rod 11 is slidably installed in the opening 10, one end of the long rod 11 extends into the sliding groove 2, and the other end of the long rod 11 extends into the through hole 9. The end of the long rod 11 extending into the sliding groove 2 is fixedly connected to one side of the sliding block 3, and the end of the long rod 11 extending into the through hole 9 is fixedly installed with a vertical rod 12, one side of the vertical rod 12 and the inner wall of one side of the through hole 9 are rotatably installed with a third rotating shaft, one end of a connecting rod 13 is rotatably installed on the third rotating shaft, and the other end of the connecting rod 13 is rotatably installed with the same fourth rotating shaft.

[0032] Combination Figure 1-4 As shown, a storage groove 14 is provided at the top of the handle 1, and a telescopic rod 15 is slidably installed in the storage groove 14, one end of the telescopic rod 15 extends into the storage groove 14, and the other end of the telescopic rod 15 extends out of the storage groove 14, and a cross bar 16 is fixedly installed on the end of the telescopic rod 15 extending out of the storage groove 14, and a moving groove 17 is provided at the bottom of the cross bar 16, and a moving block 18 is slidably installed in the moving groove 17, one end of the moving block 17 extends into the moving groove 16, and the other end of the moving block 17 extends out of the moving groove 16, and the end of the moving block 17 extending out of the moving groove 16 is rotatably connected to the fourth rotating shaft.

[0033] The working principle of the utility model is as follows: when expansion is needed, first extend the expansion plate 8 into the plastic pipe, and then move the cross bar 16 downward, the cross bar 16 drives the moving groove 17 and the moving block 18 to move downward, the moving block 18 drives the fourth rotating shaft to move downward, the fourth rotating shaft drives the connecting rod 13 to rotate, the connecting rod 13 drives the third rotating shaft to move horizontally, the third rotating shaft drives the vertical rod 12 to move horizontally, the vertical rod 12 drives the long rod 11 to move horizontally, the long rod 11 drives the sliding block 3 to move horizontally, the sliding block 3 drives the first rotating shaft, the first rotating shaft drives the connecting rod 4 to rotate, the connecting rod 4 drives the second rotating shaft to move upward, the second rotating shaft drives the short rod 5 to move upward, the short rod 5 drives the fixing frame 6 to move upward, the fixing frame 6 drives the thick rod 7 to move upward, and the thick rod 7 drives the expansion plate 8 to move upward, thereby achieving the purpose of expansion.

[0034] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in the field. Although the embodiments of the utility model have been shown and described, it is understandable to those of ordinary skill in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A device for expanding a plastic pipe, comprising a handle (1), characterized in that: The top and bottom of the handle (1) are both provided with a sliding groove (2), a sliding block (3) is slidably installed in the sliding groove (2), one end of the sliding block (3) extends into the sliding groove (2), the other end of the sliding block (3) extends out of the sliding groove (2), the end of the sliding block (3) extending out of the sliding groove (2) is rotatably installed with a first rotating shaft, one end of a connecting rod (4) is rotatably installed on the first rotating shaft, the other end of the connecting rod (4) is rotatably installed with a second rotating shaft, one end of a short rod (5) is fixedly installed on the second rotating shaft, the other end of the short rod (5) is fixedly installed with a fixing frame (6), one end of a thick rod (7) is fixedly installed on one side of the fixing frame (6), and the other end of the thick rod (7) is fixedly installed with an expansion plate (8); A through hole (9) is formed at the top of the handle (1), an opening (10) is formed on the inner wall of one side of the through hole (9), a long rod (11) is slidably mounted in the opening (10), one end of the long rod (11) extends into the sliding groove (2), the other end of the long rod (11) extends into the through hole (9), and the end of the long rod (11) extending into the sliding groove (2) is fixedly connected to one side of the sliding block (3); One end of the long rod (11) extending into the through hole (9) is fixedly mounted with a vertical rod (12); a third rotating shaft is rotatably mounted on one side of the vertical rod (12) and on the inner wall of one side of the through hole (9); one end of a connecting rod (13) is rotatably mounted on the third rotating shaft; and the other end of the connecting rod (13) is rotatably mounted with the same fourth rotating shaft; The top of the handle (1) is provided with a storage groove (14), a telescopic rod (15) is slidably installed in the storage groove (14), one end of the telescopic rod (15) extends into the storage groove (14), and the other end of the telescopic rod (15) extends out of the storage groove (14); A cross bar (16) is fixedly mounted on one end of the telescopic rod (15) extending outside the storage groove (14); a movable groove (17) is provided at the bottom of the cross bar (16); a movable block (18) is slidably mounted in the movable groove (17); one end of the movable block (18) extends into the movable groove (17); the other end of the movable block (18) extends outside the movable groove (17); and the end of the movable block (18) extending outside the movable groove (17) is rotatably connected to a fourth rotating shaft.

2. The device for expanding plastic pipes according to claim 1, characterized in that: The expansion plate (8) is in an arc-shaped structure, and the fixing frame (6) is in an L-shaped structure.

3. The device for expanding plastic pipes according to claim 1, characterized in that: One end of a first spring is fixedly mounted on one side of the sliding block (3), and the other end of the first spring is fixedly connected to an inner wall of one side of the sliding groove (2).

4. The device for expanding plastic pipes according to claim 1, characterized in that: The long rod (11) is located in the sliding groove (2) near the through hole (9).

5. The device for expanding plastic pipes according to claim 1, characterized in that: The connecting rod (13) is located on a side of the vertical rod (12) away from the expansion plate (8).

6. The device for expanding plastic pipes according to claim 1, characterized in that: One end of a second spring is fixedly mounted on one side of the telescopic rod (15), and the other end of the second spring is fixedly connected to an inner wall of one side of the storage groove (14).

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