CN111822759A - Quick-change chuck perforator - Google Patents
Quick-change chuck perforator Download PDFInfo
- Publication number
- CN111822759A CN111822759A CN202010805516.9A CN202010805516A CN111822759A CN 111822759 A CN111822759 A CN 111822759A CN 202010805516 A CN202010805516 A CN 202010805516A CN 111822759 A CN111822759 A CN 111822759A
- Authority
- CN
- China
- Prior art keywords
- hole
- clamping
- sleeve
- groove
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/12—Adapters for drills or chucks; Tapered sleeves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/04—Drills for trepanning
- B23B51/0473—Details about the connection between the driven shaft and the tubular cutting part; Arbors
Abstract
The invention discloses a quick-change chuck hole digger which comprises a clamping sleeve for clamping a central drill, wherein the clamping sleeve comprises an outer sleeve and an inner sleeve, the inner sleeve comprises two clamping plates, the two clamping plates are connected through a tight-supporting plate, and one side of the tight-supporting plate facing the outside is of a hollow structure. The center drill is arranged in the clamping sleeve, is clamped by the two clamping plates, and can drive the abutting plates of the two clamping plates to move towards the hollow part along with the stress of the drill bit during drilling, so that the clamping force of the clamping plates to the center drill is increased, the clamping effect is ensured, the clamping sleeve is arranged in the groove of the hole drill through the positioning block, the groove is provided with an L-shaped inlet groove and a positioning groove, the inlet groove is provided with a blocking block for preventing the positioning block from falling off (namely, the center drill can be prevented from falling off), the blocking block can automatically bounce and block through the elastic piece, and the positioning block can slide out of the inlet groove only by pressing down the hand-pulling rod during disassembly.
Description
Technical Field
The invention belongs to the technical field of electric tools, and particularly relates to a combined hole digger.
Background
The hole digger is a sawing circular saw for processing circular holes, can be used for punching holes on materials such as metal, wood, plastics, glass, stone and the like, and has the advantages of simple and flexible operation, convenient carrying and extremely wide application.
The existing hole digger mainly comprises a central drill and a hole digger, the central drill and the hole digger are generally made into an integral structure by adopting processes such as welding and the like, or a split mounting structure is locked by a nut, the integral structure can only be completely abandoned when part of the integral structure is damaged, the split structure is very inconvenient to mount when the nut is locked by the split structure in actual use, and the locking of threads is easy to loosen.
Disclosure of Invention
The invention mainly solves the technical problem of providing a quick-change chuck tapper, wherein a center drill is arranged in a clamping sleeve and is clamped by two clamping plates, and along with the stress of a drill bit during drilling, a propping plate of the two clamping plates can be driven to move towards a hollow part, so that the clamping force of the clamping plates on the center drill is increased, the clamping effect is ensured, the clamping sleeve is arranged in a groove of the tapper drill through a positioning block, the groove is provided with an L-shaped inlet groove and a positioning groove, the inlet groove is provided with a blocking block for preventing the positioning block from falling off (namely, the center drill can be prevented from falling off), the blocking block realizes automatic bouncing blocking through an elastic piece, and the positioning block can slide out of the inlet groove only by pressing down a hand-pulling rod during disassembly.
In order to solve the above technical problems, one technical solution adopted by the present invention is as follows:
a quick-change chuck hole digger comprises a central drill and a hole digger, wherein the hole digger is detachably connected with the central drill, the hole digger also comprises a clamping sleeve used for clamping the central drill, and the hole digger is provided with a central hole for installing the clamping sleeve;
the clamping sleeve comprises an outer sleeve and an inner sleeve, the outer sleeve is provided with a first inner hole, the first inner hole is a blind hole, the hole bottom of the first inner hole is conical, the inner sleeve is installed in the first inner hole, the inner sleeve comprises two clamping plates, the two clamping plates are oppositely arranged and are connected through a tightening plate, the tightening plate is located at one end of the two clamping plates, and one side, facing the outside, of the tightening plate is of a hollow structure;
the lateral wall of overcoat is equipped with the locating piece, the trompil is bored and is equipped with the confession locating piece male recess, the recess is including the entrance slot and the constant head tank that are linked together, the entrance slot with the constant head tank constitutes "L" shape, the entrance slot is equipped with blocks the piece, it is equipped with the elastic component to block the piece, the elastic component drive block the piece court the oral area motion of entrance slot, just after the elastic component compression block can remove extremely the tank bottom of entrance slot, block the piece and have and stretch out the hand driving lever that the trompil was bored.
Furthermore, the outer sleeve is also provided with a second inner hole with the aperture smaller than that of the first inner hole, and the first inner hole and the second inner hole are coaxially arranged.
Further, the surface of the inner side wall of the clamping plate is provided with a plurality of anti-slip bulges.
Furthermore, the number of the positioning blocks is two, the two positioning blocks are symmetrically arranged, and the grooves are located on two opposite sides of the central hole.
Furthermore, the positioning block and the clamping sleeve are of a split structure, and the positioning block is in interference connection with the clamping sleeve.
Further, the elastic member is a helical compression spring.
Further, the bottom of the inlet slot is provided with a receiving slot which can receive the stop block.
The invention has the beneficial effects that:
according to the hole digger, the central drill is arranged in the clamping sleeve and is clamped by the two clamping plates, the clamping plates of the two clamping plates can be driven to move towards the hollow part along with the stress of the drill bit during drilling, so that the clamping force of the clamping plates on the central drill is increased, the clamping effect is ensured, the clamping sleeve is arranged in the groove of the hole digger through the positioning block, the groove is provided with the L-shaped inlet groove and the positioning groove, the inlet groove is provided with the blocking block for preventing the positioning block from falling off (namely, the central drill can be prevented from falling off), the blocking block realizes automatic bouncing blocking through the elastic piece, and the positioning block can slide out of the inlet groove only by pressing the hand-pulling rod during disassembly.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic view of the overall construction of the hole cutter of the present invention;
fig. 2 is an exploded view of the hole opener of the present invention;
FIG. 3 is a schematic view of the construction of the clamping sleeve of the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 2 (the barrier exploded state);
FIG. 5 is an enlarged view of the portion A of FIG. 2 (the stopper assembled state);
FIG. 6 is an exploded view of the clamping sleeve of the hole opener of the present invention;
FIG. 7 is a cross-sectional view of the clamping sleeve of the hole cutter of the present invention;
FIG. 8 is a schematic structural view of the inner sleeve of the hole cutter of the present invention;
the parts in the drawings are marked as follows:
the center drill 1, the opening drill 2, the groove 21, the inlet groove 211, the accommodating groove 2111, the positioning groove 212, the stop block 213, the hand poking rod 2131, the center hole 22, the clamping sleeve 3, the positioning block 31, the outer sleeve 32, the first inner hole 321, the second inner hole 322, the inner sleeve 33, the clamping plate 331 and the abutting plate 332.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Example (b):
a quick-change cartridge hole cutter as shown in figures 1 to 5: the drilling tool comprises a central drill 1 and a hole drilling drill 2, wherein the hole drilling drill is detachably connected with the central drill, the drilling tool also comprises a clamping sleeve 3, the central drill is sleeved on the clamping sleeve in a penetrating way and is fixedly connected with the clamping sleeve, and the hole drilling drill is provided with a central hole 22 for installing the clamping sleeve;
the lateral wall of centre gripping cover is equipped with locating piece 31, the trompil is bored and is equipped with the confession locating piece male recess 21, the recess is including the entrance groove 211 and the constant head tank 212 that are linked together, the entrance groove with the constant head tank constitutes "L" shape, the entrance groove is equipped with and blocks piece 213, it is equipped with the elastic component (not shown in the figure to block the piece, the elastic component drive block the piece court the oral area motion of entrance groove, just after the elastic component compression block the piece can move to the tank bottom of entrance groove, block the piece have stretch out the hand dial pole 2131 of trompil brill.
According to the combined hole digger, the central drill is clamped in the clamping sleeve, the clamping sleeve is arranged in the groove of the hole digger through the positioning block, the groove is provided with the L-shaped inlet groove and the positioning groove, the inlet groove is provided with the blocking block for preventing the positioning block from falling off (namely, the central drill can be prevented from falling off), the blocking block realizes automatic bouncing blocking through the elastic piece, and the positioning block can slide out of the inlet groove only by pressing down the hand-pulling rod during disassembly.
In this embodiment, the locating piece is equipped with two, two the locating piece symmetry sets up, the recess is located the relative both sides of centre bore, the setting of two locating pieces can provide better stability, better assurance centre gripping cover is bored with the trompil and is connected.
The positioning block and the clamping sleeve are of a split structure, and the positioning block is in interference connection with the clamping sleeve.
The locating piece and the clamping sleeve of the split structure facilitate production and processing of the locating piece and the clamping sleeve, and the interference connection structure is simple and quick to assemble while connection stability is guaranteed.
In this embodiment, the elastic member is a helical compression spring.
The centre gripping cover is the steel centre gripping cover, the centre gripping cover with the centre bore is transition fit connection, and the steel centre gripping cover can provide better rigidity in order to obtain stable centre gripping, and the centre gripping cover can prevent rocking after centre gripping cover and the installation of centre bore with the transition fit of centre bore, improves stability.
The bottom of the entrance slot has a receiving slot 2111 that can receive the blocker.
The channel that the fixed block removed can be let out to block the piece when in the holding tank, certainly, it is also right not to set up the holding tank, can make the constant head tank wide.
The clamping sleeve is shown in figures 6 to 8: the clamping device comprises an outer sleeve 32 and an inner sleeve 33, wherein the outer sleeve is provided with a first inner hole 321 which is a blind hole, the hole bottom of the first inner hole is conical, the inner sleeve is installed in the first inner hole, the inner sleeve comprises two clamping plates 331, the two clamping plates are oppositely arranged and are connected through a clamping plate 332, the clamping plate is located at one end of each clamping plate, and one side, facing the outside, of the clamping plate is of a hollow structure;
the center drill is installed in the clamping sleeve and is clamped through the two clamping plates, and along with the stress of the drill bit during drilling, the clamping plates of the two clamping plates can be driven to move towards the hollow part, so that the clamping force of the clamping plates on the center drill is increased, and the clamping effect is guaranteed.
The overcoat still is equipped with the aperture and is less than the second hole 322 of first hole, first hole and the coaxial setting of second hole.
The second inner hole can be used for disassembling the center drill, and the center drill can be ejected out only by inserting a screwdriver from the second inner hole during disassembly.
The surface of the inner side wall of the clamping plate is provided with a plurality of anti-skidding bulges, and the anti-skidding bulges can prevent the center drill from skidding, so that the clamping effect is improved.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship described based on the embodiments and shown in the drawings, or the orientation or positional relationship that the products of the present invention are usually placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to be referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The working principle of the invention is as follows:
according to the hole digger, the central drill is arranged in the clamping sleeve and is clamped by the two clamping plates, the clamping plates of the two clamping plates can be driven to move towards the hollow part along with the stress of the drill bit during drilling, so that the clamping force of the clamping plates on the central drill is increased, the clamping effect is ensured, the clamping sleeve is arranged in the groove of the hole digger through the positioning block, the groove is provided with the L-shaped inlet groove and the positioning groove, the inlet groove is provided with the blocking block for preventing the positioning block from falling off (namely, the central drill can be prevented from falling off), the blocking block realizes automatic bouncing blocking through the elastic piece, and the positioning block can slide out of the inlet groove only by pressing the hand-pulling rod during disassembly.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a quick change chuck hole digger, includes that central brill (1) and trompil bore (2), the trompil bore with the central brill can dismantle the connection, its characterized in that: comprises a clamping sleeve (3) for clamping the central drill, the hole drill having a central hole (22) for mounting the clamping sleeve;
the clamping sleeve comprises an outer sleeve (32) and an inner sleeve (33), the outer sleeve is provided with a first inner hole (321), the first inner hole is a blind hole, the hole bottom of the first inner hole is conical, the inner sleeve is installed in the first inner hole, the inner sleeve comprises two clamping plates (331), the two clamping plates are oppositely arranged and connected through a tight abutting plate (332), the tight abutting plate is located at one end of the two clamping plates, and one side, facing the outside, of the tight abutting plate is of a hollow structure;
the lateral wall of overcoat is equipped with locating piece (31), the trompil is bored and is equipped with the confession locating piece male recess (21), the recess is including entrance groove (211) and constant head tank (212) that are linked together, the entrance groove with the constant head tank constitutes "L" shape, the entrance groove is equipped with and blocks piece (213), it is equipped with elastic component (214) to block the piece, the elastic component drive block the piece court the oral area motion of entrance groove, just after the elastic component compression block the piece can move to the tank bottom of entrance groove, block the piece and have and stretch out the hand driving lever (2131) that the trompil bored.
2. The quick-change cartridge hole opener of claim 1, wherein: the overcoat still is equipped with aperture and is less than second hole (322) of first hole, first hole and the coaxial setting of second hole.
3. The quick-change cartridge hole opener of claim 1, wherein: the surface of the inner side wall of the clamping plate is provided with a plurality of anti-skidding bulges.
4. The quick-change cartridge hole opener of claim 1, wherein: the positioning blocks are symmetrically arranged, and the grooves are located on two opposite sides of the central hole.
5. The quick-change cartridge hole opener of claim 1, wherein: the positioning block and the clamping sleeve are of a split structure, and the positioning block is in interference connection with the clamping sleeve.
6. The quick-change cartridge hole opener of claim 1, wherein: the elastic member is a helical compression spring.
7. The quick-change cartridge hole opener of claim 1, wherein: the groove bottom of the inlet groove is provided with a receiving groove (2111) capable of receiving the stop block.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010805516.9A CN111822759A (en) | 2020-08-12 | 2020-08-12 | Quick-change chuck perforator |
| DE202020106203.4U DE202020106203U1 (en) | 2020-08-12 | 2020-08-14 | A combined hole opener with quick assembly |
| PCT/CN2020/109040 WO2022032603A1 (en) | 2020-08-12 | 2020-08-14 | Quick-change-chuck hole opener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010805516.9A CN111822759A (en) | 2020-08-12 | 2020-08-12 | Quick-change chuck perforator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111822759A true CN111822759A (en) | 2020-10-27 |
Family
ID=72918826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010805516.9A Withdrawn CN111822759A (en) | 2020-08-12 | 2020-08-12 | Quick-change chuck perforator |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN111822759A (en) |
| DE (1) | DE202020106203U1 (en) |
| WO (1) | WO2022032603A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113953566B (en) * | 2021-11-25 | 2022-10-04 | 浙江欣兴工具股份有限公司 | Quick assembly and disassembly structure, cutting tool and quick assembly and disassembly method |
| CN117139669B (en) * | 2023-05-29 | 2024-01-12 | 龙口市裕万动力科技有限公司 | Automatic drilling device for oil nozzle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29701640U1 (en) * | 1997-01-31 | 1997-06-12 | Aulenback Paul | Handle for a hand drill |
| CN202199801U (en) * | 2011-07-14 | 2012-04-25 | 梁庆达 | Trepan device |
| CN207447417U (en) * | 2017-07-18 | 2018-06-05 | 河源正信硬质合金有限公司 | A kind of hole making drill |
| CN207887927U (en) * | 2017-12-25 | 2018-09-21 | 安徽恒生科技发展集团有限公司 | A kind of Manual hole |
| CN108788243A (en) * | 2018-07-31 | 2018-11-13 | 常州信息职业技术学院 | A kind of drill bit assembly and its drilling method of bradawl punching |
-
2020
- 2020-08-12 CN CN202010805516.9A patent/CN111822759A/en not_active Withdrawn
- 2020-08-14 DE DE202020106203.4U patent/DE202020106203U1/en not_active Expired - Lifetime
- 2020-08-14 WO PCT/CN2020/109040 patent/WO2022032603A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| DE202020106203U1 (en) | 2020-11-11 |
| WO2022032603A1 (en) | 2022-02-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201027 |
|
| WW01 | Invention patent application withdrawn after publication |