CN101181785B - Drill gun having drill jig transfer device - Google Patents
Drill gun having drill jig transfer device Download PDFInfo
- Publication number
- CN101181785B CN101181785B CN2007101604723A CN200710160472A CN101181785B CN 101181785 B CN101181785 B CN 101181785B CN 2007101604723 A CN2007101604723 A CN 2007101604723A CN 200710160472 A CN200710160472 A CN 200710160472A CN 101181785 B CN101181785 B CN 101181785B
- Authority
- CN
- China
- Prior art keywords
- drilling tool
- locating support
- flexible locating
- runing rest
- drill gun
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The invention relates to an electric gun drill, in particular to a gun drill with a conversion device of a drilling tool, and comprises a gun drill main body, an electric motor, a wire, a switch and a gear reducing mechanism. The invention is characterized in that: the conversion device of the drilling tool is arranged at the front and lower of the gun drill. The conversion device of the drilling tool comprises a telescopic positioning bracket base arranged front and lower to the gun drill, a telescopic positioning bracket base, one end of which is inserted into the telescopic positioning bracket base and the other end is provided with an inclined plane for the telescopic positioning bracket to turn back and a telescopic positioning mechanism that consists of a locking handle arranged at the middle part of the telescopic positioning bracket, a drilling tool conversion mechanism that consists of a swinging strut arranged on the inclined plane for the telescopic positioning bracket to turn back and is provided with two or more drilling tool installing holes and a drilling tool arranged in a hanging way on the drilling tool installing holes of the swinging strut and the rear end of which is capable of being connected with a principal axle of the gun drill, and a center positioning mechanism that consists of mainly a center positioning board fixed on the end face of the front end of the gun drill and matched with the end part of the swinging strut. The invention can reach a purpose of changing a drill bit without withdrawing a drill bit.
Description
Technical field
The present invention relates to a kind of electric drill gun.Especially a kind ofly have the drill bit drilling tool conversion equipment, that realize not unloading on the drill gun by rotation drilling tool conversion equipment and finish the more drill gun of bit change.
Background technology
The head of electricity drill gun is installed with drill bit, and people beat a hole and feel very convenient.Therefore, electric drill gun is liked by people very.But now, electric drill gun can only be installed one piece of drill bit on the main shaft of drill gun, in use, often using the drill bit of different size, and one piece of drill bit can not satisfy the needs of use.Therefore in operation, the drill bit of electric drill gun often will be changed.When the transposing drill bit, must dismantle again and clamping, result in hand cramps to operation.When work high above the ground,, the transposing drill bit happens occasionally especially owing to falling down situation about leading to a disaster with drill bit accidentally.People attempt to design a kind of drill gun that has the drilling tool conversion equipment, the drilling tool conversion equipment can hang the drill chuck that clips drill bit more than two, rotation drilling tool conversion equipment can be finished the more purpose of bit change to reach the drill bit that does not unload on the drill gun selecting a suitable drill chuck that clips drill bit to be installed on the main shaft of drill gun on the drilling tool conversion equipment.
Summary of the invention
The present invention's purpose is to remedy above-mentioned deficiency, disclose to society a kind of simple in structure, have the drilling tool conversion equipment, realize not unloading drill bit on the drill gun to finish the more drill gun of bit change by rotation drilling tool conversion equipment.
It is such that the present invention solves the technical scheme that above technical problem takes:
A kind of drill gun with the drilling tool conversion equipment comprises, the motor, lead, switch, the gear reduction that are provided with in the drill gun main body, drill gun main body; It is characterized in that the front lower place of drill gun is provided with the drilling tool conversion equipment, the drilling tool conversion equipment contains:
Mainly by the flexible locating support seat of settling flexible front lower place shell rim locating support, that be arranged on the drill gun main body, an end places flexible locating support seat, the other end to be provided with the flexible locating support on the inclined-plane that flexible locating support turns back and is arranged at flexible locating support seat and flexible detent mechanism that the lock handle at flexible locating support middle part is formed; Flexible locating support can be pushed into or pull out and locate in flexible locating support seat in flexible locating support seat as drawer;
Mainly by on (the flexible locating support is turned back) inclined-plane that is installed in flexible locating support, have the drilling tool switching mechanism that drilling tool on the runing rest of two above drilling tool installing holes and the drilling tool installing hole that is installed in runing rest more than two hangingly, that its rear end can be connected with the main shaft of drill gun main body is formed;
The main center positioning mechanism that constitutes by the centralized positioning plate that cooperates on the end face that is fixed on the drill gun body front end, with the runing rest end.
The flexible locating support middle part of described flexible detent mechanism is provided with lock handle, and the front end of lock handle is provided with " 7 " font locked flapper, and the side of lock handle is established the locking spring base, and the locking spring is inserted on the locking spring base; Lock handle after the mounting spring penetrates flexible locating support seat, is fixed in the flexible locating support seat by the locking spring.
The flexible locating support rear portion side of described flexible detent mechanism is provided with a groove, there is a breach that matches with set " 7 " the font locked flapper of lock handle front end the front portion of groove, the rearward end of groove is a postive stop baffle, establishes the runing rest installing hole in the inclined-plane that flexible locating support is turned back.
The runing rest of described drilling tool switching mechanism is installed on the runing rest installing hole in the inclined-plane that flexible locating support turns back, establish first plane bearing between inclined-plane that flexible locating support is turned back and runing rest joint face, runing rest following has second plane bearing and packing ring in addition, bearing pin passes centre bore, second plane bearing, the packing ring that first plane bearing penetrates runing rest from the runing rest installing hole, runing rest is movably connected on the inclined-plane that flexible locating support turns back, is provided with locating notch in the middle of the end of runing rest.
The medium pore at the collet body rear portion of the drilling tool of described drilling tool switching mechanism extends back into the tubulose protuberance along the tubulose hole wall, in the drilling tool installing hole on the tubulose protuberance insertion runing rest, tubulose protuberance rear portion is provided with Wai Kequan, outer Ke Quan establishes the 3rd plane bearing in the front, establishes pad before and after this plane bearing; The rear end of described tubulose protuberance is provided with " ten " font breach, should " ten " font breach matches with the protruding key of " ten " font on the drill gun main shaft.
The centralized positioning plate of described center positioning mechanism is established the self-tightening screw, and the top of centralized positioning plate is provided with flange.
The set flange in the top of described centralized positioning plate matches with the middle set locating notch in the end of runing rest.
The inclined-plane that described flexible locating support is turned back is to turn down or upwards turn back.
The set groove of the rear portion side of described flexible locating support also can be located at the centre of flexible locating support.
Owing to taked above-mentioned technical measures, compared with prior art its advantage is:
Because the front lower place of drill gun is provided with the drilling tool conversion equipment, the runing rest of drilling tool conversion equipment is provided with two above drilling tools, and the drill bit that operation rotation drilling tool conversion equipment just can be realized not unloading on the drill gun is finished the more purpose of bit change, has brought convenience to operation.
Because the flexible locating support of flexible detent mechanism is installed in the flexible locating support seat, can be pushed into, pull out and lock in flexible locating support seat as drawer, make flexible detent mechanism more solid reliable.
Owing to installed plane bearing between the inclined-plane that described runing rest and flexible locating support are turned back, not only reduced the two frictional force of inclined-plane that runing rest and flexible locating support turn back, and can make the turn of runing rest very free and relaxed.
" ten " font groove is established in the rear end of the drill chuck tubulose protuberance of drilling tool, should " ten " font groove matches with the protruding key of " ten " font on the drill gun main shaft, make drill chuck and drill gun main shaft be connected and break away from convenient.Outer gram circle is established at the rear portion of drill chuck tubulose protuberance, outer Ke Quan establishes plane bearing in the front, establish pad before and after the plane bearing, drilling tool can be suspended on the drilling tool installing hole of runing rest, and when drill gun punching being finished drilling tool pulled out outward, reduce the friction between the drilling tool installing hole end face on drilling tool drill chuck and pad and the runing rest.
Description of drawings
Fig. 1 is the embodiment of the invention 1 an overall structure schematic diagram;
Fig. 2 is the embodiment of the invention 2 overall structure schematic diagrames;
The inclined-plane that Fig. 3 turns back for flexible locating support in the embodiment of the invention is the drilling tool conversion equipment exploded view that turns down;
Fig. 4 is the another kind of structural representation of flexible locating support among Fig. 3;
The inclined-plane that Fig. 5 turns back for flexible locating support in the embodiment of the invention is the drilling tool conversion equipment exploded view of upwards turning back;
Fig. 6 is the another kind of structural representation of flexible locating support among Fig. 5.
Reference numeral is numbered: drill gun main body 1, self-tightening screw 2, centralized positioning plate 3, flange 301, drilling tool 4, outer gram circle 41, spherical bearing 43, pad 42,44, tubulose protuberance 45, runing rest 5, breach 501, drilling tool installing hole 502, runing rest centre bore 503, plane bearing 601,602, pad 7, bearing pin 8, inclined-plane 904, runing rest installing hole 905 that telescope support 9, breach 901, postive stop baffle 902, groove 903, flexible locating support are turned back, lock handle 10, locked flapper 101, locking spring base 102, telescope support seat 11, spring 12.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Embodiment 1
Embodiment 1 as shown in Figure 1, a kind of drill gun with the drilling tool conversion equipment comprises, the motor that is provided with in the drill gun main body 1, drill gun main body 1, lead, switch, gear reduction (drawing), its power supply is the power brick of Fig. 1 bottom; It is characterized in that the front lower place of drill gun is provided with the drilling tool conversion equipment, the drilling tool conversion equipment contains: flexible detent mechanism; Center positioning mechanism and drilling tool switching mechanism.
Flexible detent mechanism:
Mainly place flexible locating support seat 11, the other end to be provided with the flexible locating support 9 on the inclined-plane 904 that flexible locating support turns back and be arranged at flexible locating support seat and the lock handle 10 at flexible locating support middle part is formed by flexible locating support seat 11, one ends of settling flexible front lower place shell rim locating support 9, that be arranged on drill gun main body 1.Flexible locating support can be pushed into or pull out and locate in flexible locating support seat in flexible locating support seat as drawer.The front end of the lock handle 10 that flexible locating support middle part is set is provided with " 7 " font locked flapper 101, and the side of lock handle is established locking spring base 102, and locking spring 12 is inserted on the locking spring base 102; Lock handle after the mounting spring penetrates flexible locating support seat, is fixed in the flexible locating support seat 11 by the locking spring.Lock handle 10 is connected on the telescope support seat by spring 12 effects, is used for controlling the moving range and the location of telescope support 5.
Flexible locating support 9 rear portion sides are provided with a groove 903, there is a breach 901 that matches with set " 7 " the font locked flapper 101 of lock handle 10 front ends the front portion of groove, the rearward end of groove is a postive stop baffle 902, establishes runing rest installing hole 905 in the inclined-plane 904 that flexible locating support is turned back.
Drilling tool switching mechanism:
Mainly by on (the flexible locating support is turned back) inclined-plane 904 that is installed in flexible locating support 9, drilling tool 4 on the runing rest 5 that has two drilling tool installing holes 502 and two the drilling tool installing holes 502 that are installed in runing rest 5 hangingly, that its rear end can be connected with the main shaft of drill gun main body 1 forms.The runing rest 5 of drilling tool switching mechanism is installed in flexible locating support and turns back on the runing rest installing hole 905 in the inclined-plane 904 of (down turning back), establish plane bearing 601 between inclined-plane 904 that flexible locating support is turned back and runing rest 5 joint faces, runing rest 5 following has bearing 602 and packing ring 7 in addition, steady pin 8 passes centre bore 503, plane bearing 602, the packing ring 7 that plane bearing 601 penetrates runing rest from runing rest installing hole 905, and runing rest 5 is movably connected on the inclined-plane 904 that flexible locating support turns back.Be provided with locating notch 501 in the middle of the end of runing rest 5.Runing rest 5 can rotate around bearing pin 8 on the inclined-plane 904 that flexible locating support is turned back.Runing rest 5 has 502 2 of the installing holes that can hang drilling tool 4 on the symmetrical plane at center.The rotation of runing rest 5 has been created condition for the transposing drilling tool.
The medium pore at the collet body rear portion of drilling tool switching mechanism drilling tool 4 extends back into tubulose protuberance 45 along the tubulose hole wall, in the drilling tool installing hole 502 that tubulose protuberance 45 inserts on the runing rest 5, tubulose protuberance rear portion is provided with outer gram circle 41, plane bearing 43 is established in outer gram circle 41 fronts, pad 42,44 is established in plane bearing 43 front and back, the rear end of described tubulose protuberance 45 is provided with " ten " font breach, should " ten " font breach matches with the protruding key of " ten " font on the drill gun main shaft.
Center positioning mechanism:
The main center positioning mechanism that constitutes by the centralized positioning plate 3 that cooperates on the end face that is fixed on drill gun main body 1 front end, with runing rest 5 ends.The centralized positioning plate 3 of described center positioning mechanism is established self-tightening screw 2, and the top of centralized positioning plate 3 is provided with flange 301.Centralized positioning plate 3 usefulness self-tightening screws 2 are fixed on the end face of charging drill gun main body 1 front end.
The set flange 301 in described centralized positioning plate 3 tops matches with the middle set locating notch 501 in the end of runing rest 5.The two can fasten or separate.
The inclined-plane 904 that present embodiment 1 flexible locating support is turned back turns down, but also can be designed to upwards turn back (Fig. 5, Fig. 6).In addition, the set groove 903 of rear portion side of flexible locating support 9 also can be located at the centre (Fig. 4, Fig. 6) of flexible locating support 9.
Earlier power brick is inserted when present embodiment 1 uses in the charging drill gun main body 1, Push switch is so the main shaft of charging drill gun main body 1 drives drilling tool 4 rotation operations.After having bored for the first time the hole, shut down when needing the transposing another to accompany the drilling tool 4 of drill bit or screwdriver head, at first to press lock handle 10, make locked flapper 101 above it leave the breach 901 of telescope support 9.Hold drilling tool 4 and the partial rotation support 5 that is enclosed within on the main shaft with another simultaneously, from main shaft, outwards spur together, when the endoporus of drilling tool 4 broke away from main shaft, the locked flapper 101 of lock handle 10 was blocked by the postive stop baffle 902 of telescope support 9, can not outwards move again.Reverse runing rest 5 this moment, when another drilling tool 4 is aimed at main shafts, and packs into main shaft and advance inwards with holding drilling tool 4 and partial rotation support 5 equally.Meanwhile the breach 501 of runing rest 5 needs the flange 301 of centring location-plate 3 to fasten, and makes the hole 502 of the runing rest 5 that hangs drilling tool 4 and main shaft keep concentric.When advancing terminal point, the breach 901 of telescope support 9 is buckled into locking by the locked flapper 101 of the lock handle 10 under spring 12 effects, and telescope support 9 again can not pull.Simultaneously drilling tool 4 also is controlled on the main shaft and can fall down, and keeps under the concentric state with main shaft again.At this moment can restart switch and do boring for the second time, clamping repeatedly like this, just transformation repeatedly behind several drill bits of disposable clamping or the screwdriver head.
Establish 502, two suppending holes of two suppending holes on the present embodiment runing rest 5 and be 180 degree symmetries; Also can establish three or a plurality of suppending hole, during three of suppending holes, the runing rest trifurcate is 120 degree at interval between suppending hole; During four of suppending holes, the runing rest trifurcate is 90 degree at interval between suppending hole.Can hang two, three or more drilling tool 4 in the use, like this so that can change the drill bit of a plurality of specifications.
Claims (9)
1. the drill gun with the drilling tool conversion equipment comprises, the motor, lead, switch, the gear reduction that are provided with in the drill gun main body (1), drill gun main body (1); It is characterized in that the front lower place of drill gun is provided with the drilling tool conversion equipment, the drilling tool conversion equipment contains:
1) mainly by the flexible locating support seat (11) of settling flexible front lower place shell rim locating support (9), that be arranged on drill gun main body (1), an end place flexible locating support seat (11), the other end to be provided with the flexible locating support (9) on the inclined-plane (904) that flexible locating support turns back and be arranged at flexible locating support seat and flexible locating support in the middle part of lock handle
(10) the flexible detent mechanism of Zu Chenging; Flexible locating support can be pushed into or pull out and locate in flexible locating support seat in flexible locating support seat as drawer;
2) the drilling tool switching mechanism that drilling tool (4) on the runing rest (5) of two above drilling tool installing holes (502) and the drilling tool installing hole (502) that is installed in runing rest (5) more than two hangingly, that its rear end can be connected with the main shaft of drill gun main body (1) is formed is gone up, is had on the inclined-plane (904) of mainly being turned back by the flexible locating support that is installed in flexible locating support (9);
3) center positioning mechanism that mainly constitutes by the centralized positioning plate (3) that cooperates on the end face that is fixed on drill gun main body (1) front end, with runing rest (5) end.
2. the drill gun of band drilling tool conversion equipment according to claim 1, it is characterized in that, the flexible locating support middle part of described flexible detent mechanism is provided with lock handle (10), the front end of lock handle is provided with " 7 " font locked flapper (101), the side of lock handle is established locking spring base (102), and locking spring (12) is inserted on the spring base (102) of lock handle; Lock handle after the mounting spring penetrates flexible locating support seat, is fixed in the flexible locating support seat (11) by the locking spring.
3. the drill gun of band drilling tool conversion equipment according to claim 1 and 2, it is characterized in that, flexible locating support (9) the rear portion side of described flexible detent mechanism is provided with a groove (903), there is a breach (901) that matches with set " 7 " the font locked flapper (101) of lock handle (10) front end the front portion of groove, the rearward end of groove is postive stop baffle (902), establishes runing rest installing hole (905) in the inclined-plane that flexible locating support is turned back (904).
4. the drill gun of band drilling tool conversion equipment according to claim 1, it is characterized in that, described drilling tool switching mechanism is installed on the runing rest installing hole (905) in the inclined-plane (904) that flexible locating support turns back, establish first plane bearing (601) between inclined-plane that flexible locating support is turned back (904) and runing rest (5) joint face, runing rest (5) following has second plane bearing (602) and packing ring (7) in addition, bearing pin (8) passes the centre bore (503) that first plane bearing (601) penetrates runing rest from runing rest installing hole (905), second plane bearing (602), packing ring (7) is movably connected in runing rest (5) on the inclined-plane (904) that flexible locating support turns back; Be provided with the location in the middle of the end of runing rest (5) and lack (501).
5. according to the drill gun of claim 1 or 4 described band drilling tool conversion equipments, it is characterized in that, the medium pore at the collet body rear portion of described drilling tool switching mechanism drilling tool (4) extends back into tubulose protuberance (45) along the tubulose hole wall, in the drilling tool installing hole (502) on tubulose protuberance (45) the insertion runing rest (5), tubulose protuberance rear portion is provided with Wai Kequan (41), the 3rd plane bearing (43) is established in outer gram circle (41) front, establish pad (42 before and after this plane bearing (43), 44), the rear end of described tubulose protuberance (45) is provided with " ten " font breach, should " ten " font breach matches with the protruding key of " ten " font on the drill gun main shaft.
6. the drill gun of band drilling tool conversion equipment according to claim 1 is characterized in that, the centralized positioning plate (3) of described center positioning mechanism is established self-tightening screw (2), and the top of centralized positioning plate (3) is provided with flange (301).
7. according to the drill gun of claim 4 or 6 described band drilling tool conversion equipments, it is characterized in that the set flange (301) in the top of described centralized positioning plate (3) lacks (501) with middle set location, the end of runing rest (5) and matches.
8. the drill gun of band drilling tool conversion equipment according to claim 3 is characterized in that, the inclined-plane (904) that described flexible locating support is turned back is upwards to turn back or turn down.
9. the drill gun of band drilling tool conversion equipment according to claim 3 is characterized in that, the set groove (903) of the rear portion side of described flexible locating support (9) replaces with the groove of the centre of being located at flexible locating support (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101604723A CN101181785B (en) | 2007-12-19 | 2007-12-19 | Drill gun having drill jig transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101604723A CN101181785B (en) | 2007-12-19 | 2007-12-19 | Drill gun having drill jig transfer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101181785A CN101181785A (en) | 2008-05-21 |
| CN101181785B true CN101181785B (en) | 2010-06-02 |
Family
ID=39447284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101604723A Expired - Fee Related CN101181785B (en) | 2007-12-19 | 2007-12-19 | Drill gun having drill jig transfer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101181785B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114888762B (en) * | 2022-05-27 | 2023-08-29 | 南京久驰机电实业有限公司 | Operation mode switching electric tool |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4050837A (en) * | 1975-07-15 | 1977-09-27 | Fujitsu Fanuc Limited | Drilling machine with automatic tool changer |
| US4610074A (en) * | 1981-09-14 | 1986-09-09 | Fanuc Ltd. | Automatic tool changer of a machine tool |
| DE4340740A1 (en) * | 1993-11-30 | 1995-06-01 | Kurt Steppe | Double drill head for simultaneous clamping of two different tools |
| US6506002B1 (en) * | 1999-09-10 | 2003-01-14 | Richard D. Cummins | Turret hand drill |
| CN2785805Y (en) * | 2005-08-18 | 2006-06-07 | 袁吉明 | Multi-headed gun drill |
| CN1898067A (en) * | 2003-11-24 | 2007-01-17 | 怀特霍特解决方案公司 | Twin chuck drill with one drive shaft |
| CN1942276A (en) * | 2005-04-11 | 2007-04-04 | 怀特霍特解决方案公司 | Automated chuck exchange using rotating turret |
| CN2894902Y (en) * | 2006-06-02 | 2007-05-02 | 应最振 | Dual-clamping-head electric drill |
| CN201120604Y (en) * | 2007-12-12 | 2008-09-24 | 陈肇和 | Gun drill with drilling tool conversion device |
-
2007
- 2007-12-19 CN CN2007101604723A patent/CN101181785B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4050837A (en) * | 1975-07-15 | 1977-09-27 | Fujitsu Fanuc Limited | Drilling machine with automatic tool changer |
| US4610074A (en) * | 1981-09-14 | 1986-09-09 | Fanuc Ltd. | Automatic tool changer of a machine tool |
| DE4340740A1 (en) * | 1993-11-30 | 1995-06-01 | Kurt Steppe | Double drill head for simultaneous clamping of two different tools |
| US6506002B1 (en) * | 1999-09-10 | 2003-01-14 | Richard D. Cummins | Turret hand drill |
| CN1898067A (en) * | 2003-11-24 | 2007-01-17 | 怀特霍特解决方案公司 | Twin chuck drill with one drive shaft |
| CN1942276A (en) * | 2005-04-11 | 2007-04-04 | 怀特霍特解决方案公司 | Automated chuck exchange using rotating turret |
| CN2785805Y (en) * | 2005-08-18 | 2006-06-07 | 袁吉明 | Multi-headed gun drill |
| CN2894902Y (en) * | 2006-06-02 | 2007-05-02 | 应最振 | Dual-clamping-head electric drill |
| CN201120604Y (en) * | 2007-12-12 | 2008-09-24 | 陈肇和 | Gun drill with drilling tool conversion device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101181785A (en) | 2008-05-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203863087U (en) | Improved chuck structure | |
| CA2457241A1 (en) | Universal quick change hole saw arbor | |
| CN101181785B (en) | Drill gun having drill jig transfer device | |
| US7077540B2 (en) | Emergency light set | |
| CN201120604Y (en) | Gun drill with drilling tool conversion device | |
| CN201900292U (en) | Improved center positioning mechanism of charging gun drill with drilling tool converting device | |
| CN201997754U (en) | Improvement of central positioning mechanism of alternating-current gun drill with drilling tool-switching mechanism | |
| JP2006528087A (en) | Manual or automatic driven tools for attaching threaded fasteners | |
| US20160250693A1 (en) | Pilot pin for drill press | |
| JP2014069304A (en) | Horizontal machining device | |
| CN2936609Y (en) | Electric tool secondary handle | |
| CN203900573U (en) | Clamping self-locking mechanism on hand-tight drill chuck | |
| CN201304508Y (en) | Shanked drill chuck of a gun drill | |
| CN201120478Y (en) | Gun drill clamping head | |
| CN203156117U (en) | Quick-change drill chuck | |
| CN215148796U (en) | Processing device | |
| CN202894430U (en) | Improvement of back shell of suspension-type externally-connected tightening drill chuck with handle | |
| CN212683801U (en) | Pipeline installation appurtenance | |
| CN220179178U (en) | Electric power detects maintenance tool | |
| CN210359503U (en) | Four-groove round handle hexagonal connecting rod | |
| CN214162801U (en) | Electronic equipment maintenance device applied to medium short wave broadcast transmitter | |
| CN213226135U (en) | Electric power maintenance box of multiple instrument of portability | |
| CN210550942U (en) | Novel screw extractor | |
| CN220734799U (en) | File storage cabinet | |
| CN217018741U (en) | Movable magnetic drill jig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20111219 |