CN210010503U

CN210010503U - Low-noise portable diamond drill bit for hole saw

Info

Publication number: CN210010503U
Application number: CN201920699034.2U
Authority: CN
Inventors: 何生祥
Original assignee: HANGZHOU JOHNSON TOOLS CO Ltd
Current assignee: HANGZHOU JOHNSON TOOLS CO Ltd
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-02-04
Anticipated expiration: 2029-05-15

Abstract

The utility model discloses a portable diamond bit of low noise for hole saw, including the hole saw cutter body, the top swing joint of hole saw cutter body has a fixed section of thick bamboo, the bottom fixedly connected with threaded rod of a fixed section of thick bamboo to the bottom of threaded rod and the top threaded connection of hole saw cutter body, cutting sword and first sound-absorbing groove have been seted up respectively to the bottom of hole saw cutter body, and the first sound-absorbing cotton of inner chamber fixedly connected with in first sound-absorbing groove, the utility model relates to a drilling equipment technical field. This a portable diamond bit of low noise for hole saw, when driling, the cutting work piece is treated to the cutting sword and is cut, the vibrations of production are through the preliminary absorption in first sound absorbing groove, after partly vibrations are offset through first sound cotton of inhaling, vibrations are transmitted the second and are inhaled the sound inslot, will shake and transmit on the bracing piece to inhale the vibrations that cotton cooperation can reduce the hole saw cutter body by a wide margin through the second, the noise that the hole saw cutter body produced when having reduced the cutting.

Description

Low-noise portable diamond drill bit for hole saw

Technical Field

The utility model relates to a drilling equipment technical field specifically is a portable diamond bit of low noise for hole saw.

Background

The diamond drill bit is a tool for drilling through holes or blind holes on solid materials and reaming the existing holes, and the commonly used diamond drill bits mainly comprise twist drills, flat drills, center drills, deep hole drills and trepanning drills, although the reaming drills and the reaming drills can not drill holes on the solid materials, the reaming drills and the reaming drills are also classified into the diamond drill bits in a habitual way, when in pit digging operation, the diamond drill bits rotate along with a vertical shaft and move axially, soil is cut under the action of torque and axial force of the diamond drill bits and is loosened under the action of extrusion and centrifugal force of working blades to form soil flow which is pressed to a pit wall and is lifted to the ground surface along a page, and when the soil flow moves to a position without blocking the pit wall, the soil is thrown to the periphery of the pit due to the action of the centrifugal force to complete the pit digging process.

The diamond drill bit of the existing diamond hole saw often generates large noise when drilling, generates violent vibration, is easy to hold and unstable to cause shaking in the long-time drilling process, and the noise generated by drilling can cause noise pollution to the nearby environment, thereby influencing the working state of a user.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a portable diamond bit of low noise for hole saw has solved diamond hole saw diamond bit when driling, often can produce great noise to produce violent vibrations, at long-time drilling process, control the unstability easily and lead to rocking, and the noise that the drilling produced can cause noise pollution to near environment, influence user operating condition's problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a portable diamond-bit of low noise for hole saw, includes the hole saw cutter body, the top swing joint of hole saw cutter body has a fixed section of thick bamboo, the bottom fixedly connected with threaded rod of a fixed section of thick bamboo to the bottom of threaded rod and the top threaded connection of hole saw cutter body, cutting edge and first sound-absorbing groove have been seted up respectively to the bottom of hole saw cutter body, the first sound-absorbing cotton of inhaling of inner chamber fixedly connected with in first sound-absorbing groove, the second sound-absorbing groove has been seted up on the surface of hole saw cutter body to the equal fixedly connected with bracing piece in both sides of sound-absorbing groove inner chamber is inhaled to the second, the inner chamber in sound-absorbing groove just is located two fixed surface between the bracing piece is connected with the second and inhales the.

Preferably, two bracing pieces are X form in the intercrossing of sound groove is inhaled to the second is inhaled the sound cotton and is the elastic material with first sound cotton of inhaling.

Preferably, the top fixedly connected with dead lever of a fixed section of thick bamboo, the inner chamber threaded connection of hole saw cutter body has a screw thread section of thick bamboo to the bottom fixedly connected with connecting cylinder of a screw thread section of thick bamboo, the bottom fixedly connected with chip removal spring of connecting cylinder.

Preferably, the bottom swing joint of connecting cylinder has the installation pole, the top from the bottom up of installation pole runs through connecting cylinder, screw cylinder, hole saw cutter body, threaded rod and solid fixed cylinder in proper order and extends to the inner chamber of solid fixed cylinder, the surface of installation pole respectively with the inner chamber swing joint of connecting cylinder, screw cylinder, hole saw cutter body, threaded rod and solid fixed cylinder.

Preferably, the surface threaded connection of a fixed section of thick bamboo has the jackscrew, the one end of jackscrew runs through the surface of a fixed section of thick bamboo and extends to the inner chamber of a fixed section of thick bamboo, the thread groove with the jackscrew adaptation is seted up on the surface of a fixed section of thick bamboo, the surface of jackscrew is contradicted with the surface of installation pole each other.

Preferably, the bottom end of the mounting rod is fixedly connected with a diamond drill bit, and the chip removal spring is sleeved on the surface of the diamond drill bit.

Advantageous effects

The utility model provides a low noise portable diamond bit for hole saw. Compared with the prior art, the method has the following beneficial effects:

(1) the low-noise portable diamond drill bit for the hole saw is characterized in that a fixed cylinder is movably connected to the top of a hole saw cutter body, a threaded rod is fixedly connected to the bottom end of the fixed cylinder, the bottom end of the threaded rod is in threaded connection with the top of the hole saw cutter body, a cutting blade and a first sound absorption groove are respectively formed in the bottom of the hole saw cutter body, first sound absorption cotton is fixedly connected to an inner cavity of the first sound absorption groove, a second sound absorption groove is formed in the surface of the hole saw cutter body, supporting rods are fixedly connected to two sides of an inner cavity of the second sound absorption groove, second sound absorption cotton is fixedly connected to the surface of the inner cavity of the second sound absorption groove and located between the two supporting rods, when drilling is carried out, the cutting blade cuts a workpiece to be cut, generated vibration is primarily absorbed by the first sound absorption groove, after a part of vibration is offset by the first sound absorption cotton, the vibration is transmitted to the second sound absorption groove, and the, and inhale the cotton cooperation of sound through the second and can reduce the vibrations of hole saw cutter body by a wide margin, the noise that the hole saw cutter body produced when having reduced the cutting.

(2) This a portable diamond bit of low noise for hole saw, through the top fixedly connected with dead lever at the solid fixed cylinder, the inner chamber threaded connection of hole saw cutter body has a screw thread section of thick bamboo, and the bottom fixedly connected with connecting cylinder of screw thread section of thick bamboo, the bottom fixedly connected with chip removal spring of connecting cylinder, when using diamond bit, establish the chip removal spring housing on diamond bit through a screw thread section of thick bamboo, after drilling finishes, the waste material that is got off by the cutting edge cutting is ejecting by the chip removal spring, can be more convenient take off the waste material, need not to dismantle the whole clearance of hole saw cutter body, the drilling efficiency of hole saw cutter body has been increased.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

FIG. 3 is a perspective view of the hole saw body structure of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the hole saw comprises a hole saw body 1, a hole saw body 2, a fixed cylinder 2, a threaded rod 3, a cutting blade 4, a first sound absorption groove 5, a first sound absorption cotton 6, a second sound absorption groove 7, a support rod 8, a second sound absorption cotton 9, a fixed rod 10, a threaded cylinder 11, a connecting cylinder 12, a chip removal spring 13, a mounting rod 14, a jackscrew 15, a threaded groove 16 and a diamond bit 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a low-noise portable diamond drill bit for a hole saw comprises a hole saw cutter body 1, wherein the top of the hole saw cutter body 1 is movably connected with a fixed cylinder 2, the surface of the fixed cylinder 2 is in threaded connection with a jackscrew 15, one end of the jackscrew 15 penetrates through the surface of the fixed cylinder 2 and extends to the inner cavity of the fixed cylinder 2, the surface of the fixed cylinder 2 is provided with a thread groove 16 matched with the jackscrew 15, the surface of the jackscrew 15 is mutually abutted against the surface of an installation rod 14, the installation rod 14 can be fixed by rotating the jackscrew 15 to fix the diamond drill bit 17, the top end of the fixed cylinder 2 is fixedly connected with a fixed rod 10, the fixed cylinder 2 can be installed on a drilling machine through the fixed rod 10, the inner cavity of the hole saw cutter body 1 is in threaded connection with a thread cylinder 11, the bottom end of the thread cylinder 11 is fixedly connected with a connecting cylinder 12, the bottom end of the connecting cylinder 12 is movably connected with the installation rod 14, and, and the chip removal spring 13 is sleeved on the surface of the diamond drill bit 17, when the diamond drill bit 17 is used, the chip removal spring 13 is sleeved on the diamond drill bit 17 through the thread cylinder 11, after drilling is finished, the waste materials cut off by the cutting edge 4 are ejected by the chip removal spring 13, the waste materials can be taken off more conveniently without integrally disassembling and cleaning the hole saw cutter body 1, the drilling efficiency of the hole saw cutter body 1 is increased, the top end of the installation rod 14 sequentially penetrates through the connecting cylinder 12, the thread cylinder 11, the hole saw cutter body 1, the threaded rod 3 and the fixed cylinder 2 from bottom to top and extends to the inner cavity of the fixed cylinder 2, the surface of the installation rod 14 is respectively movably connected with the inner cavities of the connecting cylinder 12, the thread cylinder 11, the hole saw cutter body 1, the threaded rod 3 and the fixed cylinder 2, the chip removal spring 13 is fixedly connected with the bottom end of the connecting cylinder 12, the threaded rod 3 is fixedly connected with the bottom end of the fixed cylinder 2, and the bottom end of the threaded, the bottom of the hole saw cutter body 1 is respectively provided with a cutting edge 4 and a first sound absorption groove 5, the inner cavity of the first sound absorption groove 5 is fixedly connected with a first sound absorption cotton 6, the surface of the hole saw cutter body 1 is provided with a second sound absorption groove 7, two sides of the inner cavity of the second sound absorption groove 7 are both fixedly connected with support rods 8, the two support rods 8 are mutually crossed in the second sound absorption groove 7 to form an X shape, the X shape can form a stable triangular structure, the second sound absorption cotton 9 and the first sound absorption cotton 6 are both made of elastic materials, the inner cavity of the second sound absorption groove 7 is fixedly connected with a second sound absorption cotton 9 positioned between the two support rods 8, when drilling is carried out, the cutting edge 4 cuts a workpiece to be cut, the generated vibration is primarily absorbed by the first sound absorption groove 5, after a part of vibration is counteracted by the first sound absorption cotton 6, the vibration is transmitted to the second sound absorption groove 7 and is transmitted to the support rods 8, and the cooperation through the second sound cotton 9 of inhaling can reduce the vibrations of hole saw cutter body 1 by a wide margin, the noise that hole saw cutter body 1 produced when having reduced the cutting.

During operation, fix dead lever 10 through actuating mechanism, it punches to drive hole saw cutter body 1 and diamond bit 17 rotation, cutting edge 4 on the hole saw cutter body 1 when cutting the work piece, the vibrations of production drive the vibrations of first sound groove 5, offset partly vibrations through first sound cotton 6 of inhaling, vibrations are transmitted to the second and are inhaled in the sound groove 7, will vibrate on transmitting bracing piece 8, backup pad 8 cooperates the second and inhales the sound cotton 9 of sound and cushion vibrations, the hole saw is accomplished the back, downward thrust of waste material is given to chip removal spring 13, can be convenient take off the waste material from diamond bit 17.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a portable diamond-bit of low noise for hole saw, includes the hole saw cutter body (1), the top swing joint of hole saw cutter body (1) has a fixed section of thick bamboo (2), the bottom fixedly connected with threaded rod (3) of a fixed section of thick bamboo (2) to the bottom of threaded rod (3) and the top threaded connection of hole saw cutter body (1), its characterized in that: cutting edge (4) and first sound-absorbing groove (5) have been seted up respectively to the bottom of hole saw cutter body (1), the first sound-absorbing cotton (6) of the inner chamber fixedly connected with of first sound-absorbing groove (5), second sound-absorbing groove (7) have been seted up on the surface of hole saw cutter body (1) to the equal fixedly connected with bracing piece (8) in both sides of second sound-absorbing groove (7) inner chamber, the inner chamber of second sound-absorbing groove (7) just is located two fixed surface between bracing piece (8) is connected with the second and inhales sound cotton (9).

2. A low noise portable diamond drill bit for a hole saw as defined in claim 1, wherein: the two support rods (8) are mutually crossed in the second sound absorption groove (7) to form an X shape, and the second sound absorption cotton (9) and the first sound absorption cotton (6) are both made of elastic materials.

3. A low noise portable diamond drill bit for a hole saw as defined in claim 1, wherein: the top fixedly connected with dead lever (10) of a fixed section of thick bamboo (2), the inner chamber threaded connection of hole saw cutter body (1) has a screw thread section of thick bamboo (11) to the bottom fixedly connected with connecting cylinder (12) of screw thread section of thick bamboo (11), the bottom fixedly connected with chip removal spring (13) of connecting cylinder (12).

4. A low noise portable diamond drill bit for a hole saw as defined in claim 3, wherein: the bottom swing joint of connecting cylinder (12) has installation pole (14), the top from the bottom up of installation pole (14) runs through connecting cylinder (12), screw cylinder (11), hole saw cutter body (1), threaded rod (3) and solid fixed cylinder (2) in proper order and extends to the inner chamber of solid fixed cylinder (2), the surface of installation pole (14) respectively with the inner chamber swing joint of connecting cylinder (12), screw cylinder (11), hole saw cutter body (1), threaded rod (3) and solid fixed cylinder (2).

5. A low noise portable diamond drill bit for a hole saw as defined in claim 1, wherein: the surperficial threaded connection of solid fixed cylinder (2) has jackscrew (15), the one end of jackscrew (15) runs through the surface of solid fixed cylinder (2) and extends to the inner chamber of solid fixed cylinder (2), thread groove (16) with jackscrew (15) adaptation are seted up on the surface of solid fixed cylinder (2), the surface of jackscrew (15) is contradicted each other with the surface of installation pole (14).

6. A low noise portable diamond drill bit for hole saws as set forth in claim 4 wherein: the bottom end of the mounting rod (14) is fixedly connected with a diamond drill bit (17), and the chip removal spring (13) is sleeved on the surface of the diamond drill bit (17).