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CN219402632U - Hole saw adapter - Google Patents

Hole saw adapter Download PDF

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Publication number
CN219402632U
CN219402632U CN202320866103.0U CN202320866103U CN219402632U CN 219402632 U CN219402632 U CN 219402632U CN 202320866103 U CN202320866103 U CN 202320866103U CN 219402632 U CN219402632 U CN 219402632U
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CN
China
Prior art keywords
positioning
hole
hole saw
center rod
axle center
Prior art date
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Active
Application number
CN202320866103.0U
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Chinese (zh)
Inventor
吴志峰
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Individual
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Individual
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Publication date
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Priority to CN202320866103.0U priority Critical patent/CN219402632U/en
Priority to PCT/CN2023/090063 priority patent/WO2024212271A1/en
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Publication of CN219402632U publication Critical patent/CN219402632U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Sawing (AREA)
  • Earth Drilling (AREA)

Abstract

The utility model provides a hole saw adapter, which comprises a shaft center rod and a main shell sleeved outside the shaft center rod, wherein one end of the shaft center rod is connected with a drill bit, the main shell comprises a positioning assembly and a hole saw mounting assembly, the hole saw mounting assembly is connected with the shaft center rod through the positioning assembly, and the positioning assembly comprises a positioning seat and a pressing piece arranged on the positioning seat; the hole saw installation component is connected with the axle center rod through the locating component, and the locating component is provided with a locking state which is fixedly clamped with the axle center rod and an unlocking state which can slide along the axle center rod, so that the hole saw installation component is also provided with the locking state which is fixedly connected with the axle center rod and the unlocking state which can slide along the axle center rod, the hole saw can be conveniently disassembled and replaced when in use, and the hole saw installation component is also conveniently used for driving the hole saw cutting part to slide after drilling, so that waste materials are separated from the hole saw and cleaned.

Description

Hole saw adapter
Technical Field
The utility model relates to the technical field of drilling tools, in particular to a hole saw adapter.
Background
The utility model provides a hole digger, also called as hole saw or hole saw, is the special circular saw of saw type of processing circular hole in modern industry or the engineering, and it installs and uses on electric tools such as electric hand drill, impact drill, rocking arm drill, is the equipment commonly used that the trompil was used, and the accessory of hole digger mainly has: connecting rod, open hole cover, positioning bit, etc.
The applicant has invented a novel hole saw adapter (CN 218080556U) before, including the axle center square pole, the upper end of axle center square pole is through screw fixedly connected with drill bit, sliding connection has locating component on the peripheral terminal surface of axle center square pole, be located on the peripheral terminal surface of axle center square pole locating component's top sliding connection has first hole saw installation component, locating component with pass through coupling assembling fixed connection between the first hole saw installation component, set up on the peripheral terminal surface of axle center square pole multiunit with locating component matched with axle center draw-in groove, set up the fixed orifices on the outside terminal surface of axle center square pole upper end, screw threaded connection in the inside of fixed orifices, this novel hole saw adapter has solved to a certain extent and has had the shortcoming such as be difficult to realize quick detach fast assembly in the prior art, discharge inconvenient when gathering materials in the hole saw.
On the basis, the applicant further improves the hole saw adapter to provide a hole saw adapter which is simpler in structure, convenient and quick to replace, and convenient to clean the hole saw waste.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings in the prior art and provides a hole saw adapter, which adopts the following technical scheme:
the hole saw adapter comprises a shaft core rod and a main shell sleeved outside the shaft core rod, wherein one end of the shaft core rod is connected with a drill bit, the main shell comprises a positioning assembly and a hole saw mounting assembly, the hole saw mounting assembly is connected with the shaft core rod through the positioning assembly, and the positioning assembly comprises a positioning seat and a pressing piece arranged on the positioning seat; the pressing piece comprises a pressing plate and a first elastic piece, a first through hole for the shaft center rod to pass through is formed in the pressing plate, and a first positioning groove matched with the first through hole is formed in the shaft center rod; the positioning seat is provided with a first positioning hole for the pressing plate to penetrate out of the positioning seat and a second through hole for the axle center rod to penetrate through; the pressing plate is provided with an unlocking position where the inner wall of the first through hole is separated from the first positioning groove due to the fact that the first elastic piece is compressed, so that the positioning assembly can slide along the shaft center rod, and a locking position where the first through hole is at least partially contacted with the first positioning groove due to the fact that the first elastic piece drives the pressing plate to rebound, so that the positioning assembly is matched with the shaft center rod in a clamping mode.
Preferably, the pressing plate is provided with a second positioning hole, the positioning seat is provided with a first limiting groove, and the pressing piece further comprises a limiting rod penetrating through the second positioning hole and extending into the first limiting groove. The existence of the limiting rod drives the pressing plate to displace within a certain range when the first elastic piece rebounds, so that the pressing plate is prevented from falling out of the positioning seat.
Preferably, a third positioning hole is formed in one side, far away from the first positioning hole, of the positioning seat, one end of the first elastic piece is arranged in the third positioning hole, and the other end of the first elastic piece abuts against the pressing plate; one end of the first elastic piece is limited in the third positioning hole, so that the stability of the pressing path of the pressing plate is guaranteed.
Preferably, the main shell further comprises an outer shell covered outside the positioning assembly, a fourth positioning hole for the pressing plate to penetrate out is formed in the outer shell, and one end of the first elastic piece penetrates through the third positioning hole and abuts against the inner wall of the outer shell; the outer shell cover is arranged outside the positioning assembly and abuts against one end of the first elastic piece, and when the hole saw cutting part is installed, the hole saw is sleeved on the outer periphery of the outer shell or in threaded connection with the outer shell.
Preferably, the positioning seat further comprises a first cover plate arranged at the position above the pressing piece, and the first cover plate is matched with the positioning seat to form a positioning cavity for accommodating the pressing piece; the first cover plate and the positioning seat are matched to form a positioning cavity for accommodating the pressing piece, so that the pressing piece is well limited and fixed, and the matching stability of the pressing piece and the positioning seat is ensured.
Preferably, the hole saw mounting assembly comprises a positioning column and a top cover arranged at the position above the main shell, one end of the positioning column is connected with the top cover, and the other end penetrates through a mounting hole arranged on the main shell to one side, far away from the top cover, of the main shell. One end of the positioning column is connected with the top cover and penetrates through the main shell, so that not only is the connecting function of all parts of the main shell achieved, but also one end of the positioning column, which is far away from the top cover, is used for positioning a hole saw cutting part connected with the main shell.
Preferably, the positioning column comprises a first positioning section and a second positioning section, the diameter of the first positioning section is smaller than that of the second positioning section, and a second elastic piece is sleeved outside the first positioning section; the mounting hole comprises a limiting hole positioned on the first cover plate, and the limiting hole is only used for the first positioning section of the positioning column to pass through. Through the structure, the hole saw cutting part is prevented from being rotated out by inertia when the electric drill is turned on and off, the top cover is pulled up to drive the positioning column to move when the hole saw cutting part is installed, the top cover is loosened when the hole saw cutting part is installed in place, and the top cover drives the positioning column to move into the jack on the hole saw cutting part to position the hole saw cutting part.
Preferably, the top cover comprises a second cover plate, a connecting hole is formed in the second cover plate, and one end of the positioning column is in threaded connection with the connecting hole.
Preferably, the hole saw mounting assembly comprises at least two positioning columns, and the main shell is provided with mounting holes matched with the at least two positioning columns; preferably, at least two positioning columns are symmetrically arranged on two sides of the main shell to play a role in positioning two sides of the hole saw cutting part.
Further, the shaft core rod is provided with a plurality of main shells in a matched mode, the effect that a plurality of hole saw cutting parts with different diameters are arranged on the same shaft core rod is achieved, and cutting efficiency is improved.
The beneficial effects of the utility model are as follows: the hole saw installation component is connected with the axle center rod through the locating component, and the locating component is provided with a locking state which is fixedly clamped with the axle center rod and an unlocking state which can slide along the axle center rod, so that the hole saw installation component is also provided with a locking state which is fixedly connected with the axle center rod and an unlocking state which can slide along the axle center rod, the hole saw can be conveniently disassembled and replaced when in use, and the hole saw installation component is also conveniently used for driving the hole saw to slide after drilling so that waste materials are separated from the hole saw and cleaned.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.
FIG. 1 is an assembly schematic diagram of the whole structure of embodiment 1;
FIG. 2 is an exploded view of the whole structure of example 1;
FIG. 3 is a sectional view showing a part of the structure of example 1;
FIG. 4 is a schematic view of the main housing of embodiment 1;
FIG. 5 is another angular cross-sectional view of embodiment 1;
FIG. 6 is a top view of the main housing of example 1;
in the figure, the 1-axle center rod, the 11-first positioning groove, the 2-main shell, the 21-positioning component, the 211-pressing plate, the 2112-second positioning hole, the 212-outer shell, the 2121-fourth positioning hole, the 213-first elastic piece, the 214-positioning column, the 2141-first positioning section, the 2142-second positioning section, the 2143-second elastic piece, the 215-first cover plate, the 2151-limiting hole, the 23-positioning seat, the 231-first positioning hole, the 233-third positioning hole, the 234-mounting hole, the 3-bit mounting part, the 31-bit mounting hole, the 4-bit, the 41-clamping groove, the 5-top cover, the 51-second cover plate and the 511-connecting hole.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
It should be noted that, in the embodiments of the present utility model, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present utility model, and the following embodiments are not described one by one.
The terms of direction and position in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer only to the direction or position of the drawing. Accordingly, directional and positional terms are used to illustrate and understand the utility model and are not intended to limit the scope of the utility model.
Example 1
As shown in fig. 1-3, the hole saw adapter comprises a shaft core rod 1 and a main shell 2 sleeved outside the shaft core rod 1, wherein one end of the shaft core rod 1 is connected with a drill bit 4, the main shell 2 comprises a positioning assembly 21 and a hole saw mounting assembly, the hole saw mounting assembly is connected with the shaft core rod 1 through the positioning assembly 21, and the positioning assembly 21 comprises a positioning seat 23 and a pressing piece arranged on the positioning seat 23; the pressing piece comprises a pressing plate 211 and a first elastic piece 213, a first through hole 2111 for the shaft core rod 1 to pass through is arranged on the pressing plate 211, and a first positioning groove 11 matched with the first through hole 2111 is arranged on the shaft core rod 1; the positioning seat 23 is provided with a first positioning hole 231 for the pressing plate 211 to pass through to the outer side of the positioning seat 23 and a second through hole 232 for the shaft center rod 1 to pass through; the pressing plate 211 has an unlocking position where the inner wall of the first through hole 2111 is separated from the first positioning groove 11 due to the compression of the first elastic member 213, so that the positioning assembly 21 can slide along the shaft 1, and a locking position where the first through hole 2111 is at least partially contacted with the first positioning groove 11 due to the rebound of the pressing plate 211 driven by the first elastic member 213, so that the positioning assembly 21 is in clamping fit with the shaft 1.
The hole saw installation component is connected with the axle center rod through the locating component, and the locating component is provided with a locking state which is fixedly clamped with the axle center rod and an unlocking state which can slide along the axle center rod, so that the hole saw installation component is also provided with a locking state which is fixedly connected with the axle center rod and an unlocking state which can slide along the axle center rod, the hole saw can be conveniently disassembled and replaced when in use, and the hole saw installation component is also conveniently used for driving the hole saw to slide after drilling so that waste materials are separated from the hole saw and cleaned.
Correspondingly, a drill bit mounting part 3 is further arranged, the drill bit mounting part 3 comprises a drill bit mounting hole 31, a clamping groove 41 matched with the drill bit mounting hole 31 in position is arranged on the drill bit 4, after the drill bit 4 is mounted in the drill bit mounting part 3, the drill bit mounting hole 31 is screwed into a bolt, the bolt abuts against the clamping groove 41, and a positioning effect is achieved on the drill bit 4.
As shown in fig. 4, the pressing plate 211 is provided with a second positioning hole 2112, the positioning seat 23 is provided with a first limiting groove 235, and the pressing member further includes a limiting rod 216 penetrating the second positioning hole 2112 and extending into the first limiting groove 235. The first elastic piece 213 drives the pressing plate 211 to displace within a certain range when the first elastic piece 213 rebounds due to the existence of the limiting rod, so that the pressing plate 211 is prevented from being separated from the positioning seat 23.
A third positioning hole 233 is formed on one side of the positioning seat 23 far from the first positioning hole 231, one end of the first elastic member 213 is disposed in the third positioning hole 233, and the other end abuts against the pressing plate 211; one end of the first elastic member 213 is limited in the third positioning hole 233, so that the stability of the pressing path of the pressing plate 211 is ensured.
The main housing 2 further includes an outer housing 212 covering the positioning assembly 21, the outer housing 212 is provided with a fourth positioning hole 2121 for the pressing plate 211 to penetrate out, and one end of the first elastic member 213 penetrates through the third positioning hole 233 and abuts against the inner wall of the outer housing 212; the outer shell cover is arranged outside the positioning assembly and abuts against one end of the first elastic piece, and when the hole saw cutting part is installed, the hole saw is sleeved on the outer periphery of the outer shell or in threaded connection with the outer shell.
The positioning seat 23 further comprises a first cover plate 215 arranged above the pressing piece, and the first cover plate 215 is matched with the positioning seat 23 to form a positioning cavity for accommodating the pressing piece; the first cover plate and the positioning seat 23 are matched to form a positioning cavity for accommodating the pressing piece, so that good limiting and fixing effects are achieved on the pressing piece, and the stability of the matching of the pressing piece and the positioning seat 23 is guaranteed.
As shown in fig. 5-6, the hole saw mounting assembly includes a positioning post 214 and a top cover 5 disposed above the main housing 2, wherein one end of the positioning post 214 is connected with the top cover 5, and the other end penetrates through a mounting hole 234 disposed on the main housing 2 to a side of the main housing 2 far from the top cover 5. One end of the positioning post 214 is connected with the top cover 5 and penetrates through the main casing 2, so that not only is the connection function of all parts of the main casing 2 achieved, but also the positioning function of the hole saw cutting part connected with the main casing is achieved at the end, far away from the top cover 5.
The positioning column 214 includes a first positioning section 2141 and a second positioning section 2142, the diameter of the first positioning section 2141 is smaller than that of the second positioning section 2142, and a second elastic member 2143 is sleeved outside the first positioning section 2141; the mounting hole 234 includes a limiting hole 2151 on the first cover plate 215, and the limiting hole 2151 is only penetrated by the first positioning segment 2141 of the positioning post 214. Through the structure, the hole saw cutting part is prevented from being rotated out by inertia when the electric drill is turned on and off, the top cover 5 is pulled up to drive the positioning column 214 to move when the hole saw cutting part is installed, the top cover 5 is loosened when the hole saw cutting part is installed in place, and the top cover 5 drives the positioning column 214 to move into the jack on the hole saw cutting part to position the hole saw cutting part.
The top cover 5 comprises a second cover plate 51, a connecting hole 511 is formed in the second cover plate 51, and one end of the positioning column 214 is in threaded connection with the connecting hole 511; the positioning post 214 is screwed with the second cover plate 51 to form a fixed connection with the top cover 5, and a person skilled in the art can also connect the positioning post with the top cover through a clamping connection or other connection modes.
The hole saw mounting assembly comprises at least two positioning posts 214, and the main shell 2 is provided with mounting holes 234 matched with the at least two positioning posts 214; preferably, at least two positioning posts 214 are symmetrically disposed on two sides of the main housing 2 to perform a positioning function on two sides of the hole saw cutting portion.
Further, a person skilled in the art can set up a plurality of main shells 2 on the shaft 1 to achieve the effect of setting a plurality of hole saw cutting portions with different diameters on the same shaft 1, thereby improving the cutting efficiency.
The foregoing disclosure is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the claims herein, as equivalent changes to the claims herein fall within the true scope of the utility model.

Claims (10)

1. The utility model provides a hole saw adapter, includes axle center pole (1), cup joints main casing (2) outside axle center pole (1), axle center pole (1) one end is connected with drill bit (4), its characterized in that: the main shell (2) comprises a positioning assembly (21) and a hole saw mounting assembly, the hole saw mounting assembly is connected with the axle center rod (1) through the positioning assembly (21), and the positioning assembly (21) comprises a positioning seat (23) and a pressing piece arranged on the positioning seat (23);
the pressing piece comprises a pressing plate (211) and a first elastic piece (213), a first through hole (2111) for the shaft center rod (1) to pass through is formed in the pressing plate (211), and a first positioning groove (11) matched with the first through hole (2111) is formed in the shaft center rod (1);
the positioning seat (23) is provided with a first positioning hole (231) for the pressing plate (211) to penetrate out of the positioning seat (23), and a second through hole (232) for the shaft center rod (1) to penetrate through;
the pressing plate (211) is provided with an unlocking position where the inner wall of the first through hole (2111) is separated from the first positioning groove (11) due to the fact that the first elastic piece (213) is compressed, and then the positioning assembly (21) can slide along the shaft center rod (1), and the first elastic piece (213) drives the pressing plate (211) to rebound, so that the first through hole (2111) is at least partially contacted with the first positioning groove (11), and then the positioning assembly (21) is locked with the shaft center rod (1) in a clamping fit mode.
2. A hole saw adapter according to claim 1, wherein: the pressing plate (211) is provided with a second positioning hole (2112), the positioning seat (23) is provided with a first limiting groove (235), and the pressing piece further comprises a limiting rod (216) penetrating through the second positioning hole (2112) and extending into the first limiting groove (235).
3. A hole saw adapter according to claim 1, wherein: one side of the positioning seat (23) far away from the first positioning hole (231) is provided with a third positioning hole (233), one end of the first elastic piece (213) is arranged in the third positioning hole (233), and the other end of the first elastic piece is propped against the pressing plate (211).
4. A hole saw adapter according to claim 3, wherein: the main shell (2) further comprises an outer shell (212) covered outside the positioning assembly (21), a fourth positioning hole (2121) for the pressing plate (211) to penetrate out is formed in the outer shell (212), and one end of the first elastic piece (213) penetrates through the third positioning hole (233) and abuts against the inner wall of the outer shell (212).
5. A hole saw adapter according to claim 1, wherein: the positioning seat (23) further comprises a first cover plate (215) arranged at the position above the pressing piece, and the first cover plate (215) is matched with the positioning seat (23) to form a positioning cavity for accommodating the pressing piece.
6. A hole saw adapter according to claim 5, wherein: the hole saw installation component comprises a positioning column (214) and a top cover (5) arranged at the upper position of the main shell body (2), one end of the positioning column (214) is connected with the top cover (5), and the other end penetrates through an installation hole (234) arranged on the main shell body (2) to one side, far away from the top cover (5), of the main shell body (2).
7. A hole saw adapter according to claim 6, wherein: the positioning column (214) comprises a first positioning section (2141) and a second positioning section (2142), the diameter of the first positioning section (2141) is smaller than that of the second positioning section (2142), and a second elastic piece (2143) is sleeved outside the first positioning section (2141); the mounting hole (234) comprises a limit hole (2151) located on the first cover plate (215), and the limit hole (2151) is only used for the first positioning section (2141) of the positioning column (214) to pass through.
8. A hole saw adapter according to claim 7, wherein: the top cover (5) comprises a second cover plate (51), a connecting hole (511) is formed in the second cover plate (51), and one end of the positioning column (214) is in threaded connection with the connecting hole (511).
9. A hole saw adapter according to claim 7, wherein: the hole saw mounting assembly comprises at least two positioning posts (214), and a mounting hole (234) matched with the at least two positioning posts (214) is formed in the main shell (2).
10. A hole saw adapter according to any of claims 1-9, wherein: the axle center rod (1) is provided with a plurality of main shells (2) in a matching way.
CN202320866103.0U 2023-04-12 2023-04-12 Hole saw adapter Active CN219402632U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202320866103.0U CN219402632U (en) 2023-04-12 2023-04-12 Hole saw adapter
PCT/CN2023/090063 WO2024212271A1 (en) 2023-04-12 2023-04-23 Hole saw adapter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320866103.0U CN219402632U (en) 2023-04-12 2023-04-12 Hole saw adapter

Publications (1)

Publication Number Publication Date
CN219402632U true CN219402632U (en) 2023-07-25

Family

ID=87210322

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320866103.0U Active CN219402632U (en) 2023-04-12 2023-04-12 Hole saw adapter

Country Status (2)

Country Link
CN (1) CN219402632U (en)
WO (1) WO2024212271A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106424857B (en) * 2015-08-12 2018-09-11 慈溪光华实业有限公司 Trepanning device assembly
CN205764072U (en) * 2016-04-28 2016-12-07 张雯雰 Easy-to-dismount crown saw
AU2017277724B2 (en) * 2016-06-08 2022-01-06 Gripp-X B.V. Hole saw assembly
CN213471512U (en) * 2020-07-16 2021-06-18 丹阳市天诚工具制造有限公司 But quick replacement's hole saw subassembly
CN114453637B (en) * 2021-12-30 2024-10-22 常州英曼斯工具有限公司 Cemented carbide indexable taper drill and processing method thereof
CN218080556U (en) * 2022-09-24 2022-12-20 乐清市百盈五金工具有限公司 Novel hole saw adapter

Also Published As

Publication number Publication date
WO2024212271A1 (en) 2024-10-17

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