Corrugated pipe opening breaking device
By designing a bellows rupturer including a U-shaped seat, a cutting barrel, a strip blade frame and a cutting assembly, the problem of inconvenience in the blade passivation and replacement in the prior art is solved, and the rapid replacement and adaptation of the blade are achieved. The blade of length improves the ease of use and applicability.
Patent Information
- Application Number
- CN202421029949.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-13
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-05-13
AI Technical Summary
After using the existing bellows rupture device for a period of time, the blade is prone to passivation, and it is inconvenient to replace the blade, which has limitations in use.
A bellows rupture device is designed, including a U-shaped seat, a cutting barrel, a strip blade frame and a cutting assembly. The blade is limited by the second threaded rod and hanging post, which facilitates the replacement of the blade and passes through the support arm. Adjust blades that are suitable for different lengths.
It realizes rapid replacement of blades and adapts to blades of different lengths, improves the convenience and applicability of use, and avoids the problem of blade passivation.
Smart Images

Figure CN222494577U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cutting instruments, in particular to a bellows breaker. Background Art
[0002] Automobile wiring harnesses have many functions, including body wiring harnesses, chassis wiring harnesses, left and right door wiring harnesses, engine and instrument panel wiring harnesses. Airbags are concentrated on body wiring harnesses and instrument wiring harnesses. Corrugated tubes are pipes used to protect wiring harnesses. When using corrugated tubes, you need to use a breaker to cut the corrugated tubes to facilitate wrapping of the wiring harnesses.
[0003] Prior art CN206643983U proposes a self-locking bellows breaking tool, comprising a sleeve and a mounting seat, a cylindrical step being provided at the left end of the sleeve, a bellows positioning hole being provided in the sleeve, a trapezoidal guide platform being axially provided in the bellows positioning hole, when breaking, the self-locking bellows is passed through the self-locking bellows positioning hole in the sleeve, the self-locking bellows passes through the self-locking bellows positioning hole driven by a transmission mechanism, and the groove of the self-locking bellows can be broken axially by a blade.
[0004] Although the tooling can achieve the breaking work of the bellows, the blade is prone to blunting after being used for a period of time, so the blade needs to be replaced. The prior art uses screws and pressure plates to fix the blade, which is very inconvenient in disassembly and replacement of the blade. At the same time, the prior art is not convenient to fix during use, which makes it still have certain limitations in practical application. In view of the above problems, we provide a bellows breaker to solve the above-mentioned problems. Utility Model Content
[0005] The purpose of the utility model is to provide a bellows breaker to solve the problems raised in the above background technology.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A corrugated pipe beveling device, comprising a U-shaped seat, a cutting cylinder is fixedly connected inside the U-shaped seat, a strip knife frame is fixedly connected to the middle of the upper end of the cutting cylinder, the strip knife frame is communicated with the inside of the cutting cylinder, and a cutting component for beveling the corrugated pipe is provided on the strip knife frame;
[0008] The lower end of the U-shaped seat is provided with a mounting assembly for fixing the U-shaped seat.
[0009] As a further solution of the utility model: the cutting assembly includes a support arm, which is rotatably connected to one end of the side of the strip knife frame, and the upper end of the support arm is fixedly connected to a hanging column. A blade is provided in the strip knife frame, and the round hole at the upper end of the blade is hooked on the hanging column. Fixing components for fixing the blade are provided on both sides of the strip knife frame, and an adjustment component for adjusting the angle of the support arm is also provided near the support arm of the strip knife frame.
[0010] As a further solution of the utility model: the fixing assembly includes a threaded seat, which is fixedly connected to the positions on both sides of the cutting barrel respectively, and the inside of the threaded seat is threadedly connected with a second threaded rod, and the second threaded rod is fixedly connected to the end away from the strip knife frame with a second handle, and both sides of the strip knife frame are provided with a second through hole to avoid the second threaded rod.
[0011] As a further solution of the utility model: the adjustment assembly includes a threaded block, which is fixedly connected to one end of the strip knife frame, and a plurality of adjustment holes are opened on the side of the lower circular plate of the support arm. The internal thread of the threaded block is connected with a fourth threaded rod for cooperating with the adjustment hole to lock the angle of the support arm, and the fourth handle is fixedly connected to the end of the fourth threaded rod away from the support arm.
[0012] As a further solution of the utility model: the mounting assembly includes a fixed vertical plate, the fixed vertical plate, the fixed vertical plate is fixedly connected to one end of the lower end surface of the U-shaped seat, the lower end of the fixed vertical plate is fixedly connected to a bottom horizontal plate, both ends of the bottom horizontal plate are slidably connected to sliding rods, a clamping plate is fixedly connected between the upper ends of the two sliding rods, a first threaded rod is threadedly connected to the middle of the bottom horizontal plate, the upper end shaft head of the first threaded rod is rotatably connected to the clamping plate, and the lower end of the first threaded rod is fixedly connected to a first handle.
[0013] As a further solution of the utility model: the surfaces of the first handle, the second handle and the fourth handle are all engraved with anti-slip patterns.
[0014] As a further solution of the utility model: a small channel slot block is further provided inside the cutting cylinder, the end of the small channel slot block is fixedly connected to a limiting baffle, and one side of the U-shaped seat is provided with a tightening component for fixing the position of the small channel slot block.
[0015] As a further solution of the utility model: the tightening assembly includes a third threaded rod, the threaded hole is arranged at one side of the U-shaped seat, a first through hole is opened on one side of the cutting cylinder at a position corresponding to the threaded hole, the threaded hole is threadedly connected to the third threaded rod for tightening the small channel slot block, and the third threaded rod is fixedly connected to a third handle at one end away from the small channel slot block.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] 1. The utility model can limit the position of the blade during use by providing two second threaded rods and a hanging column. When replacing the blade, it is only necessary to loosen the blade through the second threaded rod, and then remove the blade from the hanging column and replace it with a new blade. The replacement is convenient. At the same time, the support arm can adjust the angle, which is convenient for appropriate adjustment according to the length of the blade during actual use. The utility model is easy to use and has strong applicability.
[0018] 2. The utility model can fix the U-shaped seat on the desktop or workbench when in use by means of the clamping plate, the first threaded rod and the sliding rod, and the first threaded rod has a certain length, so that desktops or workbenches of different thicknesses can be fixed when in use. It is easy to use and has strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a structural schematic diagram of the utility model.
[0020] Figure 2 It is a schematic diagram of the structure of the cutting cylinder in the utility model.
[0021] Figure 3 It is a structural schematic diagram of the cutting component in the utility model.
[0022] Figure 4 This is a schematic diagram of the structure of Example 2 of the present utility model.
[0023] Figure 5 It is a schematic diagram of the partial structure of Example 2 of the present utility model.
[0024] Wherein: 1. U-shaped seat; 2. cutting cylinder; 3. support arm; 4. blade; 5. strip knife frame; 6. first through hole; 7. threaded seat; 8. fixed vertical plate; 9. first threaded rod; 10. first handle; 11. sliding rod; 12. bottom horizontal plate; 13. clamping plate; 14. threaded hole; 15. second handle; 16. second threaded rod; 17. hanging column; 18. third handle; 19. third threaded rod; 20. limit baffle; 21. small channel slot block; 22. second through hole; 23. adjustment hole; 24. fourth threaded rod; 25. fourth handle; 26. threaded block. DETAILED DESCRIPTION
[0025] 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.
[0026] Example 1
[0027] See also Figure 1-Figure 3 In an embodiment of the utility model, a corrugated pipe breaker includes a U-shaped seat 1, a cutting cylinder 2 is fixedly connected to the inside of the U-shaped seat 1, a strip knife frame 5 is fixedly connected to the middle of the upper end of the cutting cylinder 2, the strip knife frame 5 is communicated with the inside of the cutting cylinder 2, and a cutting component for beveling the corrugated pipe is provided on the strip knife frame 5; the corrugated pipe can be cut by the provided cutting component during use to complete the cutting work of the corrugated pipe.
[0028] The cutting assembly includes a support arm 3, which is rotatably connected to one end of the side of the strip knife frame 5, and the upper end of the support arm 3 is fixedly connected to a hanging column 17. A blade 4 is provided in the strip knife frame 5, and the round hole at the upper end of the blade 4 is hooked on the hanging column 17. Fixed components for fixing the blade 4 are provided on both sides of the strip knife frame 5, and an adjustment component for adjusting the angle of the support arm 3 is also provided at a position of the strip knife frame 5 close to the support arm 3; the fixing component includes a threaded seat 7, which is fixedly connected to the positions on both sides of the cutting cylinder 2, and the threaded seat 7 is threadedly connected to a second threaded rod 16, one end of the second threaded rod 16 away from the strip knife frame 5 is fixedly connected with the second handle 15, and both sides of the strip knife frame 5 are provided with second through holes 22 to avoid the second threaded rod 16; when in use, the blade 4 is hooked on the hanging column 17, and then the second handle 15 is rotated to drive the second threaded rod 16 to rotate, and the second threaded rod 16 moves to clamp and fix the blade 4. After the blade is fixed, the corrugated tube is passed through the cutting cylinder 2 and pulled to make the corrugated tube pass through the cutting cylinder 2. When the corrugated tube passes through the cutting cylinder 2, the blade 4 cuts one side of the corrugated tube, thereby realizing the breaking work of the corrugated tube.
[0029] The adjustment component includes a threaded block 26, which is fixedly connected to one end of the strip knife frame 5. A plurality of adjustment holes 23 are provided on the side of the circular plate at the lower end of the support arm 3. The threaded block 26 is internally threadedly connected with a fourth threaded rod 24 for cooperating with the adjustment hole 23 to lock the angle of the support arm 3. The fourth threaded rod 24 is fixedly connected with a fourth handle 25 at one end away from the support arm 3. When adjusting, the fourth threaded rod 24 is rotated by the fourth handle 25 to be pulled out of the adjustment hole 23, and then the support arm 3 is rotated to adjust the angle. The angle adjustment of the support arm 3 can change the distance between the hanging column 17 and the support arm 3, so as to adapt to blades of different lengths. After the adjustment is completed, the fourth threaded rod 24 is screwed into the corresponding adjustment hole 23 for locking.
[0030] The lower end of the U-shaped seat 1 is provided with a mounting assembly for fixing the U-shaped seat 1; the mounting assembly includes a fixed vertical plate 8, the fixed vertical plate 8, the fixed vertical plate 8 is fixedly connected to one end of the lower end surface of the U-shaped seat 1, the lower end of the fixed vertical plate 8 is fixedly connected to a bottom horizontal plate 12, both ends of the bottom horizontal plate 12 are slidably connected to sliding rods 11, and a clamping plate 13 is fixedly connected between the upper ends of the two sliding rods 11, and the middle of the bottom horizontal plate 12 is threadedly connected to a first threaded rod 9, and the upper end shaft head of the first threaded rod 9 rotates with the clamping plate 13 The first threaded rod 9 is dynamically connected, and the lower end of the first threaded rod 9 is fixedly connected to the first handle 10; the surfaces of the first handle 10, the second handle 15 and the fourth handle 25 are all engraved with anti-slip patterns. When in use, the desktop is placed between the U-shaped seat 1 and the clamping plate 13, and then the first handle 10 is rotated to drive the first threaded rod 9 to rotate. The rotation of the first threaded rod 9 can drive the clamping plate 13 to move. The clamping plate 13 cooperates with the U-shaped seat 1 to achieve a clamping effect, and then the U-shaped seat 1 can be fixed on the desktop to prevent the U-shaped seat 1 from moving during use.
[0031] Example 2
[0032] See also Figure 4-Figure 5 , which is different from Example 1, is that: a small channel slot block 21 is further provided inside the cutting cylinder 2, and a limited stopper 20 is fixedly connected to the end of the small channel slot block 21, and a tightening component for fixing the position of the small channel slot block 21 is provided on one side of the U-shaped seat 1; the tightening component includes a third threaded rod 19, the threaded hole 14 is provided on one side of the U-shaped seat 1, a first through hole 6 is provided on one side of the cutting cylinder 2 at a position corresponding to the threaded hole 14, and a third threaded rod 19 is connected to the inner thread of the threaded hole 14 for tightening the small channel slot block 21 Rod 19, one end of the third threaded rod 19 away from the small channel slot block 21 is fixedly connected with the third handle 18; the small channel slot block 21 can be suitable for small-sized corrugated pipes when in use. When in use, the small channel slot block 21 is inserted into the cutting tube 2, and then the third handle 18 is rotated to drive the third threaded rod 19, so that the third threaded rod 19 is pressed onto the small channel slot block 21 to fix the small channel slot block 21, so that in actual use, the small channel slot block 21 can be disassembled or installed as needed, so that it can be suitable for cutting corrugated pipes of different diameters.
[0033] The working principle of the utility model is: when working, the desktop is placed between the U-shaped seat 1 and the clamping plate 13, and then the first handle 10 is rotated to drive the first threaded rod 9 to rotate, and the rotation of the first threaded rod 9 can drive the clamping plate 13 to move, and the clamping plate 13 cooperates with the U-shaped seat 1 to achieve a clamping effect, and then the U-shaped seat 1 can be fixed on the desktop. When in use, the blade 4 is hooked onto the hanging column 17, and then the second handle 15 is rotated to drive the second threaded rod 16 to rotate, and the second threaded rod 16 moves to clamp and fix the blade 4. After the blade is fixed, the corrugated tube is passed through the cutting cylinder 2 and pulled to make the corrugated tube pass through the cutting cylinder 2. When the corrugated tube passes through the cutting cylinder 2, the blade 4 cuts one side of the corrugated tube, thereby realizing the breaking work of the corrugated tube.
[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Although the present specification is described in accordance with the implementation modes, not every implementation mode includes only one technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A corrugated pipe breaker, comprising a U-shaped seat (1), wherein a cutting cylinder (2) is fixedly connected to the interior of the U-shaped seat (1), characterized in that: A strip-shaped knife frame (5) is fixedly connected to the middle of the upper end of the cutting cylinder (2), the strip-shaped knife frame (5) is communicated with the inside of the cutting cylinder (2), and a cutting component for beveling the corrugated pipe is provided on the strip-shaped knife frame (5); The lower end of the U-shaped seat (1) is provided with a mounting assembly for fixing the U-shaped seat (1).
2. A corrugated pipe breaker according to claim 1, characterized in that: The cutting assembly comprises a support arm (3), the support arm (3) is rotatably connected to one end of the side of the strip knife frame (5), the upper end of the support arm (3) is fixedly connected to a hanging column (17), a blade (4) is arranged in the strip knife frame (5), a round hole at the upper end of the blade (4) is hooked on the hanging column (17), fixing assemblies for fixing the blade (4) are arranged on both sides of the strip knife frame (5), and an adjustment assembly for adjusting the angle of the support arm (3) is also arranged at a position of the strip knife frame (5) close to the support arm (3).
3. A corrugated pipe breaker according to claim 2, characterized in that: The fixing assembly comprises a threaded seat (7), the threaded seat (7) being fixedly connected to positions on both sides of the cutting cylinder (2), the threaded seat (7) being threadedly connected to a second threaded rod (16) inside, the second threaded rod (16) being fixedly connected to one end away from the strip knife frame (5) with a second handle (15), and the two sides of the strip knife frame (5) being provided with a second through hole (22) for avoiding the second threaded rod (16).
4. A corrugated pipe breaker according to claim 3, characterized in that: The adjustment assembly comprises a threaded block (26), the threaded block (26) being fixedly connected to a position at one end of the strip-shaped knife frame (5), a plurality of adjustment holes (23) being provided on the side surface of the circular plate at the lower end of the support arm (3), a fourth threaded rod (24) being internally threadedly connected to the threaded block (26) for cooperating with the adjustment hole (23) to lock the angle of the support arm (3), and a fourth handle (25) being fixedly connected to one end of the fourth threaded rod (24) away from the support arm (3).
5. A corrugated pipe breaker according to claim 4, characterized in that: The mounting assembly comprises a fixed vertical plate (8), wherein the fixed vertical plate (8) is fixedly connected to one end of the lower end surface of the U-shaped seat (1), the lower end of the fixed vertical plate (8) is fixedly connected to a bottom horizontal plate (12), both ends of the bottom horizontal plate (12) are slidably connected to sliding rods (11), a clamping plate (13) is fixedly connected between the upper ends of the two sliding rods (11), a first threaded rod (9) is threadedly connected in the middle of the bottom horizontal plate (12), the upper end shaft head of the first threaded rod (9) is rotatably connected to the clamping plate (13), and the lower end of the first threaded rod (9) is fixedly connected to a first handle (10).
6. A corrugated pipe breaker according to claim 5, characterized in that: The surfaces of the first handle (10), the second handle (15) and the fourth handle (25) are all engraved with anti-slip patterns.
7. The bellows breaker according to claim 1, characterized in that: A small channel slot block (21) is also provided inside the cutting cylinder (2), the end of the small channel slot block (21) is fixedly connected to a limit stopper (20), and a tightening assembly for fixing the position of the small channel slot block (21) is provided on one side of the U-shaped seat (1).
8. The bellows breaker according to claim 7, characterized in that: The tightening assembly comprises a third threaded rod (19), a threaded hole (14) is provided at one side of the U-shaped seat (1), a first through hole (6) is provided at a position corresponding to the threaded hole (14) on one side of the cutting cylinder (2), the threaded hole (14) is internally threadedly connected to the third threaded rod (19) for tightening the small channel slot block (21), and a third handle (18) is fixedly connected to one end of the third threaded rod (19) away from the small channel slot block (21).
Citation Information
Patent Citations
From locking -type bellows cut frock
CN206643983U