CN215094155U - Hole saw accessory - Google Patents
Hole saw accessory Download PDFInfo
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- CN215094155U CN215094155U CN202121636612.1U CN202121636612U CN215094155U CN 215094155 U CN215094155 U CN 215094155U CN 202121636612 U CN202121636612 U CN 202121636612U CN 215094155 U CN215094155 U CN 215094155U
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- accessory
- connecting portion
- hole saw
- hole
- electric tool
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Abstract
The utility model discloses a hole saw accessory, which comprises an electric tool end, an accessory end and a quick clamp component, wherein the electric tool end is detachably connected with the electric tool; the accessory end is detachably connected to the electric tool end through the quick clamping assembly; the quick clamping assembly comprises a first connecting portion and a second connecting portion, the first connecting portion is arranged at the end of the electric tool, the second connecting portion is arranged at the end of the accessory, the second connecting portion comprises an inserting portion and an anti-falling portion, the inserting portion and the anti-falling portion are distributed along the circumferential direction of the end of the accessory and are communicated, the inserting portion is configured to allow the first connecting portion to be inserted into or separated from the end of the accessory, the anti-falling portion comprises a limiting step, and the limiting step is configured to limit the first connecting portion to be separated from the end of the accessory. This hole saw annex easily realizes the quick assembly disassembly of annex end and electric tool end, and is convenient for take out the wooden plug, and its simple structure, fail safe nature is high, and manufacturing cost is lower, and the user operation of being convenient for improves user's use and experiences.
Description
Technical Field
The utility model relates to a bore type instrument technical field, especially relate to a hole saw annex.
Background
The accessory end and the electric tool end of the existing hole saw accessory are generally connected through threads, so that the hole saw accessory is inconvenient to disassemble and assemble, and user experience is influenced. In addition, need take out the wooden plug from the hole saw annex after cutting the hole, need take out the motor reversal this moment, nevertheless along with the reversal hole saw annex of motor can take place to loosen with electric tool, lead to the unable wooden plug of taking out therefrom, follow-up still needs manual work or other modes to take out the wooden plug, and the operation is comparatively loaded down with trivial details, influences work efficiency.
Accordingly, there is a need for a hole saw attachment that solves the above-mentioned problems of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hole saw annex can improve the dismouting convenience of hole saw annex, and is convenient for take out the wooden plug.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a hole saw annex, include: electric tool end, annex end and quick clamp subassembly, wherein: the electric tool end is detachably connected with the electric tool; the accessory end is detachably connected to the electric tool end through the quick clamping assembly; the quick clamping assembly comprises a first connecting portion and a second connecting portion, the first connecting portion is arranged at the end of the electric tool, the second connecting portion is arranged at the end of the accessory, the second connecting portion comprises an inserting portion and an anti-falling portion, the inserting portion and the anti-falling portion are distributed in the circumferential direction of the end of the accessory and are communicated with each other, the inserting portion is configured to allow the first connecting portion to be inserted into or separated from the end of the accessory, the anti-falling portion comprises a limiting step, and the limiting step is configured to limit the first connecting portion to be separated from the end of the accessory.
As a preferable technical solution of the hole saw accessory, the first connecting portion includes a boss protruding from an axial end face of the power tool end, and the second connecting portion is a hole structure opened in the axial end face of the accessory end.
As a preferable technical solution of the above hole saw attachment, the insertion portion is a through hole, the coming-off prevention portion is a stepped hole, and the stepped hole has the limit step that is matched with the boss.
As a preferred technical solution of the above hole saw accessory, a longitudinal section of the first connecting portion is T-shaped, the first connecting portion includes a connecting column and a boss which are vertically connected, and the connecting column is movably connected to an inner cavity of the electric tool end along an axial direction of the electric tool end.
As a preferable technical scheme of the hole saw accessory, a central hole is formed in the accessory end and is used for penetrating through a spindle of the electric tool.
As a preferable technical solution of the hole saw attachment, two first connecting portions and two second connecting portions are respectively provided, the two first connecting portions are symmetrically provided on the periphery of the mandrel, and the two second connecting portions are symmetrically provided on the periphery of the central hole.
In a preferred embodiment of the hole saw attachment, the insertion portions and the retaining portions of the two second connecting portions are alternately arranged along an axial end surface of the attachment end.
As a preferable aspect of the hole saw attachment, the hole saw attachment further includes: the elastic piece is arranged in the inner cavity of the electric tool end along the axial direction and sleeved on the first connecting portion, one end of the elastic piece is connected with the electric tool end, the other end of the elastic piece is connected with the first connecting portion, and the elastic piece applies tension force to the first connecting portion to enable the first connecting portion to move in the direction away from the accessory end.
As a preferable technical solution of the hole saw attachment, the elastic member is a spring.
As a preferable technical solution of the hole saw attachment, the electric tool end is a table body, and the attachment end is a cup-shaped body.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model provides a hole saw accessory, wherein the electric tool end is detachably connected with the electric tool, and the accessory end is detachably connected with the electric tool end through a quick clamping component; the quick clamping assembly comprises a first connecting portion and a second connecting portion, the first connecting portion is arranged at the end of the electric tool, the second connecting portion is arranged at the end of the accessory, the second connecting portion comprises an inserting portion and an anti-falling portion, the inserting portion and the anti-falling portion are distributed along the circumferential direction of the end of the accessory and are communicated, the inserting portion is configured to allow the first connecting portion to be inserted into or separated from the end of the accessory, the anti-falling portion comprises a limiting step, and the limiting step is configured to limit the first connecting portion to be separated from the end of the accessory. When annex end and electric tool end installation, first connecting portion insert from the insertion portion, rotate annex end in the anticreep portion along the certain angle of circumference rotation back first connecting portion, can avoid annex end and electric tool end to take place the separation along the axial under the limiting displacement of spacing step, and first connecting portion rotate when avoiding the motor reversal go back to in the insertion portion and throw off with the annex end, thereby can realize the separation of wooden plug and hole saw annex when the motor reverses, the user of being convenient for takes out the wooden plug. This hole saw annex easily realizes hole saw annex and electric tool's quick assembly disassembly, and is convenient for take out the wooden plug, and its simple structure, fail safe nature is high, and manufacturing cost is lower, and the user operation of being convenient for improves user's use and experiences.
Drawings
FIG. 1 is a schematic illustration of the unassembled accessory end and power tool end of a hole saw accessory according to an embodiment of the present invention;
FIG. 2 is a schematic view of the attachment end and power tool end of the hole saw attachment as assembled in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of the attachment end and power tool end of the hole saw attachment in place in accordance with an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electric tool according to an embodiment of the present invention;
fig. 5-7 are schematic views illustrating the assembly process of the accessory end and the power tool end of the hole saw accessory according to the embodiments of the present invention.
In the figure:
100. a hole saw attachment;
101. an electric tool end;
102. an accessory end; 1021. a central bore;
103. a first connection portion; 1031. a boss; 1032. connecting columns;
104. a second connecting portion; 1041. an insertion portion; 1042. an anti-drop part;
105. an elastic member;
200. an electric tool;
201. a mandrel.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In actual use, the power tool 200 may be adapted to a drill-type tool, such as a drill, a screwdriver, etc., via the hole saw accessory 100, as shown in fig. 1 to 4, the hole saw accessory 100 provided in this embodiment includes a power tool end 101, an accessory end 102, and a quick clamp assembly, wherein the power tool end 101 is detachably connected to the power tool 200, the accessory end 102 is detachably connected to the power tool end 101 via the quick clamp assembly, and the accessory end 102 is used for connecting a working accessory to implement a tool function thereof.
The quick clamping assembly comprises a first connecting portion 103 and a second connecting portion 104, the first connecting portion 103 is disposed at the electric tool end 101, the second connecting portion 104 is disposed at the accessory end 102, the second connecting portion 104 comprises an insertion portion 1041 and a disengagement preventing portion 1042 which are distributed along the circumferential direction of the accessory end 102 and are communicated with each other, the insertion portion 1041 is configured to allow the first connecting portion 103 to be inserted into or disengaged from the accessory end 102, the disengagement preventing portion 1042 comprises a limiting step, and the limiting step is configured to limit the first connecting portion 103 to disengage from the accessory end 102.
In the hole saw accessory 100 provided by this embodiment, when the accessory end 102 is mounted to the electric tool end 101, the first connecting portion 103 is inserted from the insertion portion 1041, the first connecting portion 103 rotates to the anti-falling portion 1042 after the accessory end 102 rotates by a certain angle in the circumferential direction, the accessory end 102 and the electric tool end 101 can be prevented from being separated in the axial direction under the limiting action of the limiting step, and the first connecting portion 103 is prevented from rotating back to the insertion portion 1041 to be separated from the accessory end 102 when the motor rotates reversely, so that the cork can be separated from the hole saw accessory 100 when the motor rotates reversely, and a user can take out the cork conveniently. This hole saw annex 100 easily realizes the quick assembly disassembly of hole saw annex 100, and is convenient for take out the wooden plug, and its simple structure, fail safe nature is high, and manufacturing cost is lower, and the user operation of being convenient for improves user's use and experiences.
Further, the first connecting portion 103 includes a projection 1031 protruding from the axial end surface of the power tool end 101, and the second connecting portion 104 is a hole structure opened in the axial end surface of the attachment end 102, and is simple in structure and easy to machine.
Further, the insertion portion 1041 is a through hole for facilitating insertion and detachment of the boss 1031, and the anti-slip portion 1042 is a stepped hole having the above-mentioned limit step cooperating with the boss 1031. The through hole is communicated with the stepped hole, so that the boss 1031 can rotate by a certain angle after entering the through hole and fall on the limiting step to form rotation direction limiting, and can also prevent the accessory end 102 from axially falling off when being pulled outwards; when the connector is disassembled, the boss 1031 can enter the through hole from the stepped hole after rotating in the opposite direction for a certain angle, so that the axial separation of the boss 1031 and the accessory end 102 is realized, and the operation is convenient.
Optionally, the longitudinal section of the first connecting portion 103 is T-shaped, the first connecting portion 103 includes a connecting column 1032 and the above-mentioned boss 1031, the boss 1031 is disposed at the top end of the connecting column 1032, and the connecting column 1032 is movably connected to the inner cavity of the power tool end 101 along the axial direction of the power tool end 101. The T-shaped structure improves the structural strength and the motion stability of the first connection portion 103.
In order to realize the function of the electric tool 200, the accessory end 102 is provided with a central hole 1021 for penetrating the spindle 201 of the electric tool 200, and the spindle can be sleeved quickly without a thread structure.
In the present embodiment, two first connection portions 103 and two second connection portions 104 are respectively disposed, two first connection portions 103 are symmetrically disposed on the outer circumference of the mandrel 201, and two second connection portions 104 are symmetrically disposed on the outer circumference of the central hole 1021. The symmetrical structure is arranged in a manner that the connection between the accessory end 102 and the power tool end 101 is more stable, and the position of the first connection portion 103 between the insertion portion 1041 and the anti-falling portion 1042 is conveniently switched.
Preferably, the insertion portions 1041 and the retaining portions 1042 of the two second connecting portions 104 are alternately distributed along the axial end surface of the accessory end 102. In practical use, after the accessory end 102 rotates a certain angle, the two first connecting portions 103 can be synchronously located in the inserting portion 1041 or the anti-falling portion 1042.
As shown in fig. 5 to 7, when the accessory end 102 and the power tool end 101 are assembled, the power tool end 101 is pressed toward the accessory end 102 side to make the spindle 201 pass through the central hole 1021 and the two bosses 1031 are inserted into the through hole, after the external force pushes and rotates the accessory end 102 clockwise (or counterclockwise) by a certain angle to make the bosses 1031 align with the stepped holes, the power tool end 101 is pulled toward the side away from the accessory end 102 to make the bosses 1031 fall on the limit steps; when the attachment end 102 and the power tool end 101 are detached, after the power tool end 101 is pressed toward the attachment end 102 and the attachment end 102 is rotated counterclockwise (or clockwise) by a certain angle so that the projection 1031 is aligned with the through hole, the power tool end 101 is pulled toward the side away from the attachment end 102 so that the projection 1031 is disengaged from the through hole.
In order to further improve the convenience of assembling and disassembling the hole saw accessory 100 and the power tool 200, the hole saw accessory 100 of the present embodiment further includes an elastic member 105, the elastic member 105 is axially disposed in the inner cavity of the power tool end 101 and sleeved on the connecting post 1032 of the first connecting portion 103, one end of the elastic member 105 is connected to the power tool end 101, the other end of the elastic member is connected to the first connecting portion 103, and the elastic member 105 applies a tightening force to the first connecting portion 103 to move the first connecting portion 103 in a direction away from the accessory end 102. Optionally, the resilient member 105 is a spring.
By providing the elastic member 105, when the accessory end 102 and the power tool end 101 are assembled, the power tool end 101 is pushed to one side of the accessory end 102 so that the mandrel 201 passes through the central hole 1021 and the two bosses 1031 are inserted into the through hole, and after the accessory end 102 is rotated clockwise (or counterclockwise) by a certain angle so that the bosses 1031 are aligned with the stepped holes, the power tool end 101 is released, and the two first connecting parts 103 are released and retracted under the tensioning force of the elastic member 105 so that the bosses 1031 fall on and are pressed against the limit steps; when the attachment end 102 and the power tool end 101 are detached, after the power tool end 101 is pushed to the side of the attachment end 102 and the attachment end 102 is rotated counterclockwise (or clockwise) by a certain angle so that the bosses 1031 are aligned with the through holes, the power tool end 101 is released, and the two first connecting portions 103 are released and retracted by the tightening force of the elastic member 105, so that the bosses 1031 are disengaged from the through holes. Therefore, the hole saw accessory 100 provided by the embodiment can realize the quick assembly and quick separation of the accessory end 102 and the power tool end 101 due to the structure, and the ejection action is completed while the separation is carried out, so that the cork can be directly ejected from the accessory end 102.
As an alternative solution, in the present embodiment, the power tool end 101 is a table body, and the accessory end 102 is a cup-shaped body. The structure is easy to process and convenient for rotating operation.
The present embodiment provides the following advantages of the hole saw attachment 100:
1. the hole saw accessory 100 can be disassembled and assembled only by pressing and rotating the hole saw accessory 100 without threaded connection, so that the operation convenience of a user is improved;
2. due to the design of the limiting steps, after the hole saw accessory 100 is assembled, the hole saw accessory cannot be loosened even if the motor rotates reversely, and the cork can be easily taken out after hole cutting is completed.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A hole saw accessory comprising a power tool end (101), an accessory end (102) and a quick clamp assembly, wherein:
the electric tool end (101) is detachably connected with an electric tool (200);
the accessory end (102) is detachably connected to the power tool end (101) through the quick clamp assembly;
the quick clamping assembly comprises a first connecting portion (103) and a second connecting portion (104), the first connecting portion (103) is arranged at the electric tool end (101), the second connecting portion (104) is arranged at the accessory end (102), the second connecting portion (104) comprises an inserting portion (1041) and an anti-falling portion (1042) which are distributed along the circumferential direction of the accessory end (102) and communicated with each other, the inserting portion (1041) is configured to allow the first connecting portion (103) to be inserted into or separated from the accessory end (102), the anti-falling portion (1042) comprises a limiting step, and the limiting step is configured to limit the first connecting portion (103) to be separated from the accessory end (102).
2. Hole saw attachment according to claim 1, wherein the first connection part (103) comprises a boss (1031) protruding from an axial end face of the power tool end (101), and the second connection part (104) is a hole structure opening onto an axial end face of the attachment end (102).
3. Hole saw attachment according to claim 2, wherein the insertion portion (1041) is a through hole and the retaining portion (1042) is a stepped hole having the stop step cooperating with the boss (1031).
4. Hole saw attachment according to claim 2, wherein the longitudinal section of the first connection portion (103) is T-shaped, the first connection portion (103) comprising a connection post (1032) and the boss (1031) connected vertically, the connection post (1032) being movably connected to the inner cavity of the power tool end (101) in the axial direction of the power tool end (101).
5. Hole saw accessory according to claim 1, wherein the accessory end (102) is provided with a central hole (1021) for passing a spindle (201) of the power tool (200).
6. Hole saw attachment according to claim 5, characterized in that there are two of the first connection portions (103) and two of the second connection portions (104), respectively, two of the first connection portions (103) being symmetrically arranged at the periphery of the spindle (201) and two of the second connection portions (104) being symmetrically arranged at the periphery of the central hole (1021).
7. Hole saw attachment according to claim 6, characterized in that the insertion portions (1041) and the retaining portions (1042) of the two second connection portions (104) are alternately distributed along an axial end face of the attachment end (102).
8. The hole saw attachment of claim 1 further comprising:
the elastic piece (105) is axially arranged in the inner cavity of the electric tool end (101) and sleeved on the first connecting portion (103), one end of the elastic piece (105) is connected with the electric tool end (101), the other end of the elastic piece (105) is connected with the first connecting portion (103), and the elastic piece (105) applies a tensioning force to the first connecting portion (103) to enable the first connecting portion (103) to move in a direction away from the accessory end (102).
9. Hole saw attachment according to claim 8, characterized in that the resilient member (105) is a spring.
10. Hole saw attachment according to any of claims 1-9, wherein the power tool end (101) is a table and the attachment end (102) is a cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121636612.1U CN215094155U (en) | 2021-07-19 | 2021-07-19 | Hole saw accessory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121636612.1U CN215094155U (en) | 2021-07-19 | 2021-07-19 | Hole saw accessory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215094155U true CN215094155U (en) | 2021-12-10 |
Family
ID=79321527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121636612.1U Active CN215094155U (en) | 2021-07-19 | 2021-07-19 | Hole saw accessory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215094155U (en) |
-
2021
- 2021-07-19 CN CN202121636612.1U patent/CN215094155U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
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Address after: No. 529, Jiangjun Avenue, Jiangning Economic and Technological Development Zone, Nanjing, Jiangsu Province Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: No. 529, Jiangjun Avenue, Jiangning Economic and Technological Development Zone, Nanjing, Jiangsu Province Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |