PVC pipe outer wall trepanning device

Abstract

The utility model relates to the technical field of PVC (polyvinyl chloride) pipes, in particular to a PVC pipe outer wall trepanning device, which can perform accurate trepanning in the middle of a PVC pipe and reduce trepanning errors and comprises an operation table and an electric drill, a drill bit is arranged at the rotating end of the electric drill, placing blocks are arranged on two sides of the top end of the operation table, and a fixing block is arranged in the middle of the bottom of the operation table. A connecting shaft is rotationally installed in the middle of the fixing block, a connecting plate is arranged at the bottom end of the connecting shaft, a torsion spring is arranged between the connecting plate and the fixing block, stop levers are arranged on the two sides of the connecting plate, a fixing plate is arranged between the tops of the two stop levers, and a positioning hole matched with a drill bit is formed in the middle of the fixing plate. Two arc-shaped through grooves allowing the stop lever to penetrate through are formed in the operation table, the angle of each through groove ranges from 30 degrees to 45 degrees, an arc-shaped groove is formed in the top of the containing block, one end of the torsion spring is fixedly connected with the fixing block, and the other end of the torsion spring is fixedly connected with the connecting plate.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC pipes, in particular to a PVC pipe outer wall hole opening device. Background Art

[0002] As we all know, the main component of PVC pipe is polyvinyl chloride, and other components are added to enhance its heat resistance, toughness and ductility. The top layer of this surface film is paint, the main component in the middle is polyvinyl chloride, and the bottom layer is back-coated adhesive. When using PVC pipe, a hole-opening device is needed to punch holes on the outer wall.

[0003] Users usually drill holes in PVC pipes manually using an electric drill. When a hole needs to be drilled in the middle of the PVC pipe, the hole drilled in the middle of the PVC pipe is easily deviated by manual drilling with a handheld electric drill. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a PVC pipe outer wall hole opening device, which can accurately open a hole in the middle position of the PVC pipe and reduce the hole opening error.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for opening a hole in the outer wall of a PVC pipe, comprising an operating table and an electric drill, a drill bit is provided at the rotating end of the electric drill, placement blocks are provided on both sides of the top of the operating table, a fixed block is provided in the middle of the bottom of the operating table, a connecting shaft is rotatably installed in the middle of the fixed block, a connecting plate is provided at the bottom end of the connecting shaft, a torsion spring is provided between the connecting plate and the fixed block, baffle rods are provided on both sides of the connecting plate, a fixed plate is provided between the tops of the two baffle rods, a positioning hole matching the drill bit is provided in the middle position of the fixed plate, and a through groove for the baffle rod to pass through is provided on the operating table.

[0008] Furthermore, there are two through grooves, each of which is arranged in an arc shape, and the angle of each through groove is 30-45 degrees.

[0009] Furthermore, an arc-shaped groove is provided on the top of the placement block.

[0010] Furthermore, one end of the torsion spring is fixedly connected to the fixing block, and the other end of the torsion spring is fixedly connected to the connecting plate.

[0011] Furthermore, the torsion spring is sleeved on the outside of the connecting shaft.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the utility model provides a PVC pipe outer wall hole opening device, which has the following beneficial effects:

[0014] The device for opening a hole on the outer wall of a PVC pipe passes the PVC pipe between two stop bars through the arrangement of a fixing block, a connecting shaft, a connecting plate, a torsion spring, a stop bar, a fixing plate and a positioning hole, and then places the PVC pipe in a groove on two placing blocks. At this time, the stop bars block both sides of the PVC pipe, and the positioning hole is in the middle of the PVC pipe. A worker uses a drill to pass through the positioning hole to open a hole in the PVC pipe, and can accurately open a hole in the middle of the PVC pipe to reduce the hole opening error. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a side view structural schematic diagram of the utility model;

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model when it is tilted.

[0018] In the figure: 1. operating table; 2. electric drill; 3. placement block; 4. drill bit; 5. fixing block; 6. connecting shaft; 7. connecting plate; 8. torsion spring; 9. stop rod; 10. fixing plate; 11. through groove; 12. positioning hole. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-3 The utility model discloses a PVC pipe outer wall hole opening device, comprising an operating table 1 and an electric drill 2, a drill bit 4 is arranged at the rotating end of the electric drill 2, placement blocks 3 are arranged on both sides of the top of the operating table 1 to limit the placement position of the PVC pipe, a fixing block 5 is arranged in the middle of the bottom of the operating table 1, a connecting shaft 6 is rotatably installed in the middle of the fixing block 5, a connecting plate 7 is arranged at the bottom end of the connecting shaft 6, a torsion spring 8 is arranged between the connecting plate 7 and the fixing block 5, baffle rods 9 are arranged on both sides of the connecting plate 7, a fixing plate 10 is arranged between the tops of the two baffle rods 9, a positioning hole 12 matching the drill bit 4 is arranged in the middle position of the fixing plate 10, and a through groove 11 for the baffle rod 9 to pass through is arranged on the operating table 1.

[0021] There are two through slots 11 , which are arranged in an arc shape, and the angle of the through slots 11 is 30-45 degrees. The through slots 11 limit the rotation position of the blocking rod 9 .

[0022] Among them, the top of the placement block 3 is provided with an arc-shaped groove for placing the PVC pipe.

[0023] One end of the torsion spring 8 is fixedly connected to the fixing block 5 , and the other end of the torsion spring 8 is fixedly connected to the connecting plate 7 .

[0024] The torsion spring 8 is sleeved on the outside of the connecting shaft 6 .

[0025] To sum up, when using this PVC pipe outer wall hole opening device, the PVC pipe is passed through two blocking rods 9, and then the PVC pipe is rotated to place both sides of the PVC pipe in the groove on the top of the placement block 3. At this time, the blocking rods 9 block both sides of the PVC pipe, and the positioning hole 12 is in the middle position of the PVC pipe. The staff uses the drill bit 4 to pass through the positioning hole 12 to open a hole in the PVC pipe, and can accurately open a hole in the middle position of the PVC pipe.

[0026] The technical terms or scientific terms used in the description of this application should be the common meanings understood by ordinary technicians in the field to which this application belongs. The words "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inside", "outside" and other words indicating orientation used in the description of this application are only used to indicate relative directions or positional relationships, and do not imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. When the absolute position of the described object changes, its relative positional relationship may also change accordingly, so it cannot be understood as a limitation on this application. The "first", "second", "third" and similar terms used in the description of this application are only used for descriptive purposes to distinguish different components, and cannot be understood as indicating or implying relative importance.

[0027] The words "one", "an" or "the" and the like used in the description of this application should not be understood as an absolute limitation on quantity, but should be understood as the existence of at least one. The words "include" or "comprise" and the like used in the description of this application mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, but do not exclude other elements or objects.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PVC pipe outer wall hole-making device, comprising an operating table (1) and an electric drill (2), wherein a drill bit (4) is provided at a rotating end of the electric drill (2), characterized in that: Placement blocks (3) are arranged on both sides of the top of the operating table (1), a fixed block (5) is arranged in the middle of the bottom of the operating table (1), a connecting shaft (6) is rotatably mounted in the middle of the fixed block (5), a connecting plate (7) is arranged at the bottom end of the connecting shaft (6), a torsion spring (8) is arranged between the connecting plate (7) and the fixed block (5), baffle rods (9) are arranged on both sides of the connecting plate (7), a fixed plate (10) is arranged between the tops of the two baffle rods (9), a positioning hole (12) matching the drill bit (4) is arranged in the middle of the fixed plate (10), and a through slot (11) for the baffle rod (9) to pass through is arranged on the operating table (1).

2. A PVC pipe outer wall hole opening device according to claim 1, characterized in that: There are two through grooves (11), and the through grooves (11) are arranged in an arc shape, and the angle of the through grooves (11) is 30-45 degrees.

3. A PVC pipe outer wall hole opening device according to claim 1, characterized in that: The top of the placement block (3) is provided with an arc-shaped groove.

4. A PVC pipe outer wall hole opening device according to claim 1, characterized in that: One end of the torsion spring (8) is fixedly connected to the fixing block (5), and the other end of the torsion spring (8) is fixedly connected to the connecting plate (7).

5. A PVC pipe outer wall hole opening device according to claim 1, characterized in that: The torsion spring (8) is sleeved on the outside of the connecting shaft (6).

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