Hole saw assembly

By designing the hole saw assembly connected to the hexagonal seat, the spiral cutter rotates synchronously for polishing, the interference problem of the hole saw during drilling is solved, and a blockage-free one-piece molding is achieved.

CN223223578UActive Publication Date: 2025-08-15ZHEJIANG JINNUO TOOLS CO LTD
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Patent Information

Application Number
CN202422209722.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-10
Publication Date
2025-08-15
Estimated Expiration
2034-09-10

AI Technical Summary

Technical Problem

When the existing hole saw is drilled, the grooves on the outer edges are prone to interfere with the intermediate position of the material, making it difficult to form at one time.

Method used

A hole saw assembly is designed in which the mounting rod is connected to the hexagonal seat, the drill bit is located under the spiral cutter, and the spiral cutter rotates simultaneously with the mounting rod, and the inner material is polished through the spiral cutter to avoid interference.

Benefits of technology

During the drilling process, it is possible to avoid blockage between the material and the inside of the hole saw, ensure one-time molding, and improve the drilling efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a hole saw assembly, which relates to the technical field of hole saws and comprises a mounting rod, two rectangular grooves are arranged on the side of the hole saw assembly, the bottom of the mounting rod is fixedly connected with the middle of the top of a hexagonal seat, and a through hole is arranged on the side of the hexagonal seat. The middle of the bottom of the hexagonal base is fixedly connected with the middle of the top of a drill bit, and the drill bit is located under the mounting rod. In the punching process of the hole saw piece, the spiral cutter synchronously rotates along with the mounting rod, the spiral cutter polishes the material on the inner side of the punching position, and the situation that the material on the punching position and the inner side of the hole saw piece are blocked and interfered is avoided. The hole saw solves the problems that when an existing hole saw is used for punching holes, most of materials are punched through tooth grooves in the edge position of the outer side of the hole saw, the middle position of the material punching position easily interferes with the hole saw, and one-time punching forming is not convenient.
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Description

Technical Field

[0001] The utility model belongs to the technical field of hole saws, and more specifically, relates to a hole saw assembly. Background Art

[0002] A hole saw, also known as a hole saw or hole opener, refers to a special circular saw used in modern industry or engineering to process circular holes. It punches holes at the required opening locations and is mostly used in woodworking construction to punch holes in wood.

[0003] Application No. CN202021403040.8 The utility model discloses a quickly replaceable hole saw assembly, relating to the field of hole saw assemblies, including a hole saw cylinder, the upper side wall of the hole saw cylinder is provided with saw teeth, the side wall of the hole saw cylinder is penetrated by a plurality of chip removal holes, the inner side wall of the hole saw cylinder is fixedly installed with an annular plate, the lower side wall of the hole saw cylinder is penetrated by a circular hole and two plug-in holes, the lower end outer side of the hole saw cylinder is slidably connected with a hole saw fixing seat, through the cooperation between the fixing mechanism, the hole saw cylinder and the plug-in holes, when the hole saw cylinder in the hole saw assembly is replaced according to the need of punching, it is only necessary to press the extrusion block, thereby driving the end of the clip to separate from the inner side wall of the hole saw cylinder, and the hole saw cylinder can be directly removed or replaced from the assembly, which is convenient and quick. Compared with the traditional hole saw assembly, there will be no situation where the thread is stuck and the assembly cannot be disassembled, thereby facilitating the smooth progress of the punching project.

[0004] Based on the search of the above patents and the understanding of the application of existing hole saw components: when punching holes, the current hole saws mostly use the teeth at the outer edge of the hole saw to punch the material. The middle position of the material punching position is prone to interfere with the hole saw, which is not convenient for one-time punching. Utility Model Content

[0005] In order to solve the above technical problems, the present invention provides a hole saw assembly to solve the problem that when punching, the existing hole saws mostly use the teeth at the outer edge of the hole saw to punch the material, and the middle position of the material punching position is prone to interfere with the hole saw, making it inconvenient to punch and form the hole in one go.

[0006] The purpose and effect of the hole saw assembly of the present invention are achieved by the following specific technical means:

[0007] A hole saw assembly includes a mounting rod, two rectangular grooves are provided on the side of the hole saw component, the bottom position of the mounting rod is fixedly connected to the top middle position of the hexagonal seat, a through hole is provided on the side of the hexagonal seat, the bottom middle position of the hexagonal seat is fixedly connected to the top middle position of the drill bit, the drill bit is located directly below the mounting rod, the lower end of the hexagonal seat is sleeved in the inner position of the socket, the middle position of the socket is a through design, and the drill bit passes through the inner middle position of the socket.

[0008] According to an embodiment of the present invention, a mounting hole is provided on the side of the sleeve. When the upper end of the sleeve is plugged into the hexagonal seat, the side through-hole of the hexagonal seat is flush with the side mounting hole of the sleeve.

[0009] According to an embodiment of the present invention, the bottom middle position of the sleeve is fixedly connected to the top middle position of the spiral cutter, and the middle position of the spiral cutter is a through-design.

[0010] According to one embodiment of the present invention, the drill bit is located at a penetration position of the spiral cutter, the spiral cutter is located at a lower position inside the hole saw component, and the drill bit is located at a middle position below the inside of the hole saw component.

[0011] According to an embodiment of the present invention, when the side through-hole of the hexagonal seat is flush with the side mounting hole of the sleeve, the bolt member is inserted through the side through-hole of the hexagonal seat and the side mounting hole of the sleeve.

[0012] According to an embodiment of the present invention, six ball grooves are provided on the circumference of the upper middle portion of the mounting rod, and the distance between any two adjacent ball grooves is the same.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] When the side through-hole of the hexagonal seat is flush with the side mounting hole of the socket, the bolt is inserted into the side through-hole of the hexagonal seat and the side mounting hole of the socket. At this time, the socket is fixed at the lower position of the mounting rod. During the drilling process of the hole saw, the spiral cutter rotates synchronously with the mounting rod, and the spiral cutter grinds the inner material of the drilling position, so that there will be no blockage or interference between the material at the drilling position and the inner position of the hole saw.

[0015] The drill bit rotates synchronously with the hole saw component, and the drill bit can locate the center position of the hole punching position of the hole saw component to avoid displacement of the hole saw component during the punching process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the hole saw assembly of the present invention.

[0017] Figure 2 It is a side structural schematic diagram of the hole saw assembly of the present utility model.

[0018] Figure 3 It is a schematic diagram of the bottom and side structure of the hole saw assembly of the present invention.

[0019] Figure 4 This is a schematic diagram of the main structure of the installation rod and the sleeve part of the utility model.

[0020] Figure 5 It is a schematic side view of the disassembled structure of the mounting rod and the sleeve member of the utility model.

[0021] Figure 6 It is a schematic diagram of the bottom side structure of the installation rod and the sleeve component of the utility model when they are disassembled.

[0022] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0023] 1. Mounting rod; 101. Hexagonal seat; 102. Drill bit; 2. Socket; 201. Spiral cutter; 202. Bolt; 3. Hole saw. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the described 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.

[0025] Unless otherwise defined, the technical or scientific terms used herein shall have the usual meanings understood by ordinary technicians in the field to which the present invention belongs. Similar words such as "one", "an" or "the" used in the specification and claims of the present utility model patent application do not indicate quantity limitations, but rather indicate the existence of at least one. Similar words such as "include" or "comprise" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents. Similar words such as "connect" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may also change accordingly.

[0026] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples.

[0027] Example 1:

[0028] As attached Figure 1 To the attached Figure 6 As shown:

[0029] The utility model provides a hole saw assembly, including a mounting rod 1, two rectangular grooves are provided on the side of a hole saw component 3, the bottom position of the mounting rod 1 is fixedly connected to the top middle position of a hexagonal seat 101, a through-hole is provided on the side of the hexagonal seat 101, the bottom middle position of the hexagonal seat 101 is fixedly connected to the top middle position of a drill bit 102, the drill bit 102 is located directly below the mounting rod 1, the lower end position of the hexagonal seat 101 is sleeved on the inner position of a socket 2, the middle position of the socket 2 is a through-hole design, the drill bit 102 passes through the inner middle position of the socket 2, a mounting hole is provided on the side of the socket 2, and when the upper end position of the socket 2 is plugged into the hexagonal seat 101, the side through-hole of the hexagonal seat 101 is flush with the side mounting hole of the socket 2.

[0030] Among them, the bottom middle position of the socket 2 is fixedly connected to the top middle position of the spiral cutter 201, the middle position of the spiral cutter 201 is a through-design, the drill bit 102 is located at the through-position of the spiral cutter 201, the spiral cutter 201 is located at the lower position inside the hole saw component 3, and the drill bit 102 is located at the lower middle position inside the hole saw component 3.

[0031] Among them, when the side through-hole of the hexagonal seat 101 is flush with the side mounting hole of the socket 2, the bolt member 202 is inserted into the side through-hole of the hexagonal seat 101 and the side mounting hole of the socket 2, and six ball grooves are opened on the circumferential surface in the middle and upper part of the mounting rod 1, and the distance between each two adjacent ball grooves is the same.

[0032] When using:

[0033] During installation, insert the mounting rod 1 into the mounting hole position of the electric drill so that the six ball grooves of the mounting rod 1 match the position of the electric drill coupler to fix the mounting rod 1. When the mounting rod 1 is rotated by the electric drill, the hole saw component 3 will be driven to rotate, and the hole saw component 3 will perform a drilling operation on the drilling position.

[0034] When the side through-hole of the hexagonal seat 101 is flush with the side mounting hole of the socket 2, the bolt 202 is inserted into the side through-hole of the hexagonal seat 101 and the side mounting hole of the socket 2. At this time, the socket 2 is fixed at the lower position of the mounting rod 1. During the process of punching the hole saw 3, the spiral cutter 201 rotates synchronously with the mounting rod 1. The spiral cutter 201 grinds the inner material of the punching position, and there will be no blockage or interference between the material at the punching position and the inner position of the hole saw 3.

[0035] Although the present application has been described with reference to the above embodiments, it will be understood by those skilled in the art that various changes may be made without departing from the concept and scope of the present application as defined in the appended claims. Although this specification contains many specific implementation details, these should not be interpreted as limitations on the scope of protection claimed in this application, but rather as descriptions of features specific to specific embodiments. The scope of this application is defined by the appended claims and their equivalents, and is not limited to the embodiments described above.

Claims

1. A hole saw assembly, characterized in that: The invention comprises a mounting rod (1), a hole saw component (3) having two rectangular grooves on its side, a bottom position of the mounting rod (1) being fixedly connected to a top middle position of a hexagonal seat (101), a through-hole being provided on the side of the hexagonal seat (101), a bottom middle position of the hexagonal seat (101) being fixedly connected to a top middle position of a drill bit (102), the drill bit (102) being located directly below the mounting rod (1), a lower end position of the hexagonal seat (101) being sleeved on an inner position of a socket component (2), a middle position of the socket component (2) being a through-hole design, the drill bit (102) passing through the inner middle position of the socket component (2), a bottom middle position of the socket component (2) being fixedly connected to a top middle position of a spiral cutter (201), and a middle position of the spiral cutter (201) being a through-hole design.

2. A hole saw assembly according to claim 1, characterized in that: A mounting hole is provided on the side of the sleeve (2). When the upper end of the sleeve (2) is plugged into the hexagonal seat (101), the side through-hole of the hexagonal seat (101) is flush with the side mounting hole of the sleeve (2).

3. A hole saw assembly according to claim 1, characterized in that: The drill bit (102) is located at a penetration position of the spiral cutter (201), the spiral cutter (201) is located at a lower position inside the hole saw component (3), and the drill bit (102) is located at a middle position below the inside of the hole saw component (3).

4. A hole saw assembly according to claim 1, characterized in that: When the side through-hole of the hexagonal seat (101) is flush with the side mounting hole of the sleeve (2), the bolt member (202) is inserted through the side through-hole of the hexagonal seat (101) and the side mounting hole of the sleeve (2).

5. The hole saw assembly according to claim 1, wherein: Six ball grooves are provided on the upper middle portion of the circumference of the mounting rod (1), and the distance between any two adjacent ball grooves is the same.

Citation Information

Patent Citations

  • Hole saw assembly capable of being replaced quickly

    CN213471512U