V-shaped side hole saw with chip guide and heat dissipation structure

By setting a combination of V-shaped edge holes and auxiliary round holes/vertical holes on the surface of the hole saw main body tube, the problems of insufficient heat dissipation and low working strength of the existing hole saw are solved, and more efficient heat dissipation and debris discharge are achieved.

CN222696159UActive Publication Date: 2025-04-01ZHEJIANG RONGDA TOOLS
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Patent Information

Application Number
CN202420952505.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-06
Publication Date
2025-04-01
Estimated Expiration
2034-05-06

AI Technical Summary

Technical Problem

The push plate structure of the existing hole saw blocks natural air flow and affects heat dissipation. At the same time, the surface heat dissipation hole size is large, affecting working strength.

Method used

A V-shaped edge hole hole saw with chip-conducting and heat dissipation structure is designed. By setting V-shaped edge holes on the surface of the hole saw main tube and setting a combination of auxiliary circular holes and vertical holes on the top, the heat dissipation and chip conduction capability is improved, while reducing the hollow area to increase the strength of the hole saw main tube.

Benefits of technology

It effectively improves the heat dissipation ability and working strength of the hole saw, avoids the hindrance of heat dissipation by the push plate structure, and maintains efficient debris discharge ability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a V-shaped side hole saw with a chip guide and heat dissipation structure, comprising a connecting rod, the bottom end of the connecting rod is fixedly connected to a base assembly for fixed connection, the bottom of the base assembly is fixedly connected to a working assembly for sawing holes, the working assembly comprises a circular plate fixedly connected to the base assembly, the surface of the circular plate is provided with heat dissipation circular holes, the surface of the circular plate is fixedly connected to a hole saw main body tube, the bottom of the hole saw main body tube is fixedly connected with annular saw teeth, the surface of the hole saw main body tube is provided with V-shaped side holes, and the utility model relates to the technical field of hole saws. The V-shaped side hole saw with a chip guide and heat dissipation structure utilizes the setting of the working assembly, the hole saw avoids the use of a push plate, and the V-shaped side hole is directly set on the surface of the hole saw main body tube, thereby ensuring the ability of chip discharge, and the hollow area of ​​the V-shaped side hole is small, thereby improving the strength of the hole saw main body tube.
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Description

Technical Field

[0001] The utility model relates to the technical field of hole saws, in particular to a V-shaped side hole saw with a chip guiding and heat dissipation structure. Background Art

[0002] A hole saw refers to a special circular saw for sawing circular holes in modern industry or engineering. The patent with the announcement number CN219818142U discloses a V-shaped side hole hole saw, comprising: a hole saw, a fixing seat is arranged on the top of the hole saw, a V-shaped side hole is opened on the outer surface of the hole saw, a drill bit is arranged inside the fixing seat, a push plate is arranged inside the hole saw, an opening is opened on the top of the push plate, and a lower baffle is arranged above the push plate. By setting the V-shaped side hole, when the hole saw is used, the waste generated by cutting will enter the inside of the hole saw through the opening and be discharged through the V-shaped side hole, and the push plate will be pressed upward during use. When the hole opening work is completed, the push plate will be reset under the action of the spring elasticity, so that the waste inside the hole saw is discharged. The side hole adopts a V-shaped design, which is convenient for waste discharge and heat dissipation of the saw body during cutting, and is more convenient for removing waste materials clamped in the saw body, which greatly improves the drilling efficiency and the service life of the hole saw.

[0003] The above patent sets push plates and other structures on the surface of the spring, which directly blocks the flow of natural air and directly affects the heat dissipation of the drilling saw. In addition, the heat dissipation holes on the surface of the hole saw are relatively large, which directly affects the working strength of the drilling saw. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a V-shaped side hole saw with a chip guide and heat dissipation structure, which solves the problem that some structures directly block the flow of natural air, directly affecting the heat dissipation of the drilling saw, and the heat dissipation holes on the surface of the above-mentioned hole saw are large in size, directly affecting the working intensity of the drilling saw.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a V-shaped side hole saw with a chip guiding and heat dissipation structure, comprising a connecting rod, the bottom end of the connecting rod is fixedly connected to a base assembly for fixed connection, the bottom of the base assembly is fixedly connected to a working assembly for sawing holes, the working assembly comprises a circular plate fixedly connected to the base assembly, the surface of the circular plate is provided with heat dissipation circular holes, the surface of the circular plate is fixedly connected to a hole saw main body tube, the bottom of the hole saw main body tube is fixedly connected with annular saw teeth, the surface of the hole saw main body tube is provided with V-shaped side holes, the surface of the hole saw main body tube is provided with auxiliary circular holes and vertical holes, and the surface of the hole saw main body tube is fixedly connected with a grinding ring.

[0006] Preferably, the base assembly comprises a mounting block fixedly connected to the bottom end of the connecting rod, and one end of the mounting block is fixedly connected to a connecting screw.

[0007] Preferably, a reinforcing plate is fixedly connected between two sides of the inner wall of the hole saw main body tube, and a stabilizing round block is fixedly connected to one side of the reinforcing plate.

[0008] Preferably, a drill rod is fixedly connected to the bottom of the stabilizing round block.

[0009] Preferably, the surface of the drill rod is provided with a chip groove, and the chip groove is arranged in a spiral shape.

[0010] Preferably, a spring is fixedly connected to the bottom of the stabilizing round block, and the surface of the spring is chrome-plated.

[0011] Beneficial Effects

[0012] The utility model provides a V-shaped side hole saw with a chip guide and heat dissipation structure. Compared with the prior art, it has the following beneficial effects:

[0013] (1) The V-shaped side hole saw with a chip guiding and heat dissipation structure is fixedly connected to a working component for sawing holes through the bottom of the base component, the working component includes a circular plate fixedly connected to the base component, a heat dissipation circular hole is opened on the surface of the circular plate, a hole saw main body tube is fixedly connected to the surface of the circular plate, an annular saw tooth is fixedly connected to the bottom of the hole saw main body tube, a V-shaped side hole is opened on the surface of the hole saw main body tube, an auxiliary circular hole and a vertical hole are opened on the surface of the hole saw main body tube, a grinding ring is fixedly connected to the surface of the hole saw main body tube, by using the setting of the working component, the hole saw avoids using a push plate, and directly sets the V-shaped side hole on the surface of the hole saw main body tube, thereby ensuring the ability of debris discharge, and the hollow area of ​​the V-shaped side hole is small, thereby improving the strength of the hole saw main body tube, a combination of auxiliary circular holes and vertical holes is set at the top of the V-shaped side hole, and the arrangement is uniform and symmetrical, thereby improving the heat dissipation and chip guiding ability, and the hollow area of ​​a single auxiliary circular hole and a vertical hole is small, which will not affect the overall strength of the hole saw main body tube when working, and by setting the grinding ring, the hole saw can directly grind the inner wall of the hole after drilling is completed, thereby facilitating the use of operators.

[0014] (2) The V-shaped side hole saw with a chip guide and heat dissipation structure comprises a mounting block fixedly connected to the bottom end of a connecting rod through a base assembly, one end of the mounting block is fixedly connected to a connecting screw, a reinforcing plate is fixedly connected between the two sides of the inner wall of the hole saw main tube, one side of the reinforcing plate is fixedly connected to a stabilizing round block, the bottom of the stabilizing round block is fixedly connected to a drill rod, the surface of the drill rod is provided with a chip removal groove, the chip removal groove is arranged in a spiral shape, the bottom of the stabilizing round block is fixedly connected to a spring, the surface of the spring is chrome-plated, and the setting of the base assembly is convenient for staff to quickly match and install it. The setting of the spring can directly control the feed amount when drilling manually, and the feed is relatively gentle and stable under the push of the spring, avoiding damage to the hole caused by sudden feed, and the spring can push out the disc that is sleeved in the drill rod after drilling. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 It is a three-dimensional schematic diagram of the drill rod and the chip removal groove structure of the utility model;

[0017] Figure 3 It is a three-dimensional schematic diagram of the reinforcing plate structure of the utility model.

[0018] In the figure: 1. connecting rod; 2. base assembly; 21. mounting block; 22. connecting screw; 3. working assembly; 31. circular plate; 32. heat dissipation circular hole; 33. hole saw main tube; 34. annular saw teeth; 35. V-shaped side hole; 36. auxiliary circular hole; 37. vertical hole; 38. reinforcement plate; 39. stabilizing circular block; 310. drill rod; 311. chip groove; 312. spring; 313. grinding ring. 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 provides two technical solutions:

[0021] Embodiment 1, a V-shaped side hole saw with a chip guide and heat dissipation structure, comprising a connecting rod 1, a base assembly 2 for fixed connection is fixedly connected to the bottom end of the connecting rod 1, a working assembly 3 for sawing holes is fixedly connected to the bottom of the base assembly 2, the working assembly 3 comprises a circular plate 31 fixedly connected to the base assembly 2, a heat dissipation circular hole 32 is opened on the surface of the circular plate 31, a hole saw main body tube 33 is fixedly connected to the surface of the circular plate 31, an annular saw tooth 34 is fixedly connected to the bottom of the hole saw main body tube 33, a V-shaped side hole 35 is opened on the surface of the hole saw main body tube 33, an auxiliary circular hole 36 and a vertical hole 37 are opened on the surface of the hole saw main body tube 33, and the surface of the hole saw main body tube 33 is fixedly connected to the hole saw main body tube 33. With a grinding ring 313, by utilizing the setting of the working component 3, the hole saw avoids using a push plate and directly sets a V-shaped side hole 35 on the surface of the hole saw main tube 33, thereby ensuring the ability to discharge debris, and the hollow area of ​​the V-shaped side hole 35 is relatively small, thereby improving the strength of the hole saw main tube 33, and a combination of auxiliary circular holes 36 and vertical holes 37 is set on the top of the V-shaped side hole 35, which is evenly and symmetrically set to improve the heat dissipation and chip guiding capabilities, and the hollow area of ​​a single auxiliary circular hole 36 and vertical hole 37 is small, which will not affect the overall strength of the hole saw main tube 33 when working. By setting the grinding ring 313, the hole saw can directly grind the inner wall of the hole after drilling is completed, thereby facilitating the use of the operator.

[0022] Embodiment 2 is mainly different from Embodiment 1 in that: a V-shaped side hole saw with a chip guide and heat dissipation structure, a base assembly 2 includes a mounting block 21 fixedly connected to the bottom end of the connecting rod 1, one end of the mounting block 21 is fixedly connected to a connecting screw 22, a reinforcing plate 38 is fixedly connected between the two sides of the inner wall of the hole saw main body tube 33, a stabilizing round block 39 is fixedly connected to one side of the reinforcing plate 38, a drill rod 310 is fixedly connected to the bottom of the stabilizing round block 39, and a chip removal groove 311 is provided on the surface of the drill rod 310, and the chip removal groove 311 is spirally arranged. The bottom of the stabilizing round block 39 is fixedly connected with a spring 312, the surface of the spring 312 is chrome-plated, the spring 312 is sleeved on the outside of the drill rod 310, and the setting of the base assembly 2 is convenient for the staff to quickly match and install it. By using the setting of the spring 312, the spring 312 can directly control the feed amount during manual drilling. Under the push of the spring 312, the feed is relatively gentle and stable, avoiding sudden feed and damaging the hole. In addition, the spring 312 can push out the disc sleeved in the hole-opening drill rod 310 after perforation.

[0023] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0024] When working, it is directly connected to an external drilling rig through the base assembly 2. When drilling, align the drill rod 310 with the working target until the annular serrations 34 penetrate it and then retreat. The spring 312 can push out the disc embedded in the hole saw main body tube 33. When grinding is required, realign the hole saw main body tube 33 with the drilled circular hole, and align the grinding ring 313 with the inner wall of the circular hole for grinding. After the operation is completed, the device is restored.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] 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 V-shaped side hole saw with a chip guiding and heat dissipation structure, comprising a connecting rod (1), characterized in that: The bottom end of the connecting rod (1) is fixedly connected to a base assembly (2) for fixed connection, the bottom of the base assembly (2) is fixedly connected to a working assembly (3) for sawing holes, the working assembly (3) comprises a circular plate (31) fixedly connected to the base assembly (2), the surface of the circular plate (31) is provided with a heat dissipation circular hole (32), the surface of the circular plate (31) is fixedly connected to a hole saw main body tube (33), the bottom of the hole saw main body tube (33) is fixedly connected to an annular saw tooth (34), the surface of the hole saw main body tube (33) is provided with a V-shaped side hole (35), the surface of the hole saw main body tube (33) is provided with an auxiliary circular hole (36) and a vertical hole (37), and the surface of the hole saw main body tube (33) is fixedly connected to a grinding ring (313).

2. The V-shaped side hole saw with a chip guiding and heat dissipation structure according to claim 1, characterized in that: The base assembly (2) comprises a mounting block (21) fixedly connected to the bottom end of the connecting rod (1), and one end of the mounting block (21) is fixedly connected to a connecting screw (22).

3. The V-shaped side hole saw with a chip guiding and heat dissipation structure according to claim 1, characterized in that: A reinforcing plate (38) is fixedly connected between the two sides of the inner wall of the hole saw main body tube (33), and a stabilizing round block (39) is fixedly connected to one side of the reinforcing plate (38).

4. The V-shaped side hole saw with a chip guiding and heat dissipation structure according to claim 3, characterized in that: The bottom of the stabilizing round block (39) is fixedly connected to a drill rod (310).

5. The V-shaped side hole saw with a chip guiding and heat dissipation structure according to claim 4, characterized in that: The surface of the drill rod (310) is provided with a chip removal groove (311), and the chip removal groove (311) is arranged in a spiral shape.

6. The V-shaped side hole saw with a chip guiding and heat dissipation structure according to claim 3, characterized in that: A spring (312) is fixedly connected to the bottom of the stabilizing round block (39), and the surface of the spring (312) is chrome-plated.

Citation Information

Patent Citations

  • Hole saw for V-shaped side holes

    CN219818142U