CN204276978U - Electric hand drill counterbore joins drill tools - Google Patents
Electric hand drill counterbore joins drill tools Download PDFInfo
- Publication number
- CN204276978U CN204276978U CN201420708449.9U CN201420708449U CN204276978U CN 204276978 U CN204276978 U CN 204276978U CN 201420708449 U CN201420708449 U CN 201420708449U CN 204276978 U CN204276978 U CN 204276978U
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- drill
- die holder
- electric hand
- counterbore
- hand drill
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model relates to machine-building processing technique field, specifically disclose a kind of electric hand drill counterbore and join drill tools, comprise support, holding frame, die holder and back-moving spring, the rear end of described support is connected with described holding frame and is connected on described electric hand drill by described holding frame, the front end of described support be connected with described die holder and and be provided with described back-moving spring between described die holder, described die holder can be elastic relative to described support, the center of the front end of described die holder is provided with the projection corresponding with counterbore, the center of described die holder is provided with a through hole, the drill bit of electric hand drill can carry out boring work through the through hole of described die holder.The utility model can ensure that the hole that electric hand drill bores keeps concentric with the hole of joining brill, and the direction in hole is vertical and the degree of depth is certain.
Description
Technical field
The utility model relates to machine-building processing technique field, particularly relates to a kind of electric hand drill counterbore and joins drill tools.
Background technology
At present, the doorframe of ground iron product adopts the overall doorframe of the shaping splicing of aluminium alloy usually, be fixed on around car body doorway by the counterbore sunk screw (sunk screw as M4) of doorframe side, aluminium door frame is exposed surface, play decoration function, for ensureing the concentric of all screws on doorframe, employing is needed to join brill bore process, the hole on drill carriage body is come exactly according to the counterbore on doorframe, then tapping, but, operator's general electric hand drill rely on experience and technical ability ensure hole with one heart and hole vertical, even the porose concentric and hole of the institute being also difficult to ensure to bore by the veteran operator of this technological operation is vertical, consequence is counterbore decentraction on the hole and the doorframe that bore or bores oblique, cause later stage tapping also crooked, therefore, often there is sunk screw and the problems such as occiput is crooked are installed, have impact on commercialization, and the easy scratch passenger of head of screw, if done over again, then greatly can affect production efficiency, and cause the wasting of resources, with regard to strengthening at last, this problem is solved to the training of operator, effect is also undesirable.
Utility model content
(1) technical problem that will solve
The purpose of this utility model is to provide a kind of electric hand drill counterbore and joins drill tools, with overcome in prior art according to the counterbore on doorframe to car body join bore boring time, cannot ensure hole with one heart with the vertical problem in hole.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of electric hand drill counterbore and joins drill tools, comprise support, holding frame, die holder and back-moving spring, the rear end of described support is connected with described holding frame and is connected on described electric hand drill by described holding frame, the front end of described support be connected with described die holder and and be provided with described back-moving spring between described die holder, described die holder can be elastic relative to described support, the center of the front end of described die holder is provided with the projection corresponding with counterbore, the center of described die holder is provided with a through hole, the drill bit of electric hand drill can carry out boring work through the through hole of described die holder.
Preferably, described support comprises carrier base and cradling piece, described carrier base and die holder are tubular, described carrier base and described carrier base relative with described die holder opening is enclosed within the outside of described die holder, described back-moving spring is located between described carrier base and described die holder, described cradling piece is two and is located at described carrier base both sides, and described cradling piece is connected with described holding frame.
Preferably, the sidewall of described carrier base is provided with stopper slot, and described die holder is provided with caging bolt, and described caging bolt is arranged in described stopper slot, and described stopper slot and caging bolt are for limiting the described die holder degree elastic relative to described carrier base.
Preferably, described holding frame is the ring-type corresponding with the neck of electric hand drill.
Preferably, the middle part of described holding frame is provided with an opening, and described holding frame is provided with protruding link in the both sides of described opening, the link of described opening both sides is bolted.
Preferably, two cradling pieces pass the both sides of described holding frame, and the both sides of described holding frame are provided with fastening bolt, and described fastening bolt is used for the connection between fastening described holding frame and described cradling piece.
Preferably, described electric hand drill counterbore is joined drill tools and is also comprised drill jig, the front end of described drill jig is the taper projection corresponding with the counterbore of doorframe, described drill jig is located in the through hole of described die holder, the center of described drill jig is provided with the through hole corresponding with the bit diameter of electric hand drill, and the drill bit of electric hand drill can carry out boring work through the through hole of described drill jig.
Preferably, the front end face of described die holder is provided with protective pad.
Preferably, the material of described protective pad is elastomeric material.
(3) beneficial effect
Electric hand drill counterbore of the present utility model joins drill tools is fixed on electric hand drill neck by holding frame, can stretch along with drilling process, not only can locate but also can lead, and the drill bit of different-diameter can be suitable for by changing the parts thought, repair and replacement are convenient, can ensure that the hole that electric hand drill bores keeps concentric with the hole of joining brill, and the direction in hole is vertical and the degree of depth is certain, solve screw in prior art and the easily crooked problem of rear head of screw is installed, operator does not need special training just can get out not only concentric but also vertical bottom outlet, and operator does not increase extra operational motion, simultaneously, due to convenient to operation, greatly increase the efficiency of boring, thus greatly increase production efficiency, also reduce the waste of production cost.
Accompanying drawing explanation
Fig. 1 is the stereogram that the electric hand drill counterbore of the utility model embodiment joins drill tools;
Fig. 2 is the front view that the electric hand drill counterbore of the utility model embodiment joins drill tools;
Fig. 3 is the top view that the electric hand drill counterbore of the utility model embodiment joins drill tools;
Fig. 4 is the vertical view cutaway drawing that the electric hand drill counterbore of the utility model embodiment joins drill tools.
In figure, 1: carrier base; 2: cradling piece; 3: die holder; 4: drill jig; 5: holding frame; 6: caging bolt; 7: link; 8: fastening bolt; 9: back-moving spring.
Detailed description of the invention
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but can not be used for limiting scope of the present utility model.
In description of the present utility model, it should be noted that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
As Figure 1-4, the electric hand drill counterbore of the present embodiment is joined drill tools and is comprised: support, holding frame 5, die holder 3 and back-moving spring 9, the rear end of described support (with the rear end of electric hand drill in the same way) to be connected with holding frame 5 and to be connected on the neck of electric hand drill by holding frame 5, the front end of described support (with the front end of electric hand drill in the same way, namely act on end) be connected with die holder 3 and and be provided with back-moving spring 9 between die holder 3, die holder 3 can be elastic relative to described support, the center of the front end of die holder 3 is provided with the projection corresponding with the counterbore of doorframe, the center of die holder 3 is provided with a through hole, the drill bit of electric hand drill can carry out boring work through the through hole of die holder 3, like this, the rear end that described electric hand drill counterbore joins drill tools is fixed on the neck of electric hand drill, the die holder 3 that the drill bit of electric hand drill joins drill tools front end through described electric hand drill counterbore carries out boring work, the projection that operationally described electric hand drill counterbore joins drill tools front end is stuck in the counterbore of doorframe with location, die holder 3 along with the drill bit of electric hand drill process stretch.
Described support comprises: carrier base 1 and cradling piece 2, carrier base 1 and die holder 3 are tubular, carrier base 1 and carrier base 1 relative with die holder 3 opening is enclosed within the outside of die holder 3, back-moving spring 9 is located at the inside between carrier base 1 and die holder 3, cradling piece 2 is two and is located at the both sides of carrier base 1, and cradling piece 2 is connected with holding frame 5; The sidewall of carrier base 1 is provided with two relative stopper slots, and die holder 3 is provided with caging bolt 6, and caging bolt 6 is arranged in described stopper slot, and described stopper slot and caging bolt 6 are for limiting die holder 3 degree elastic relative to carrier base 1.
Holding frame 5 is the ring-type corresponding with the neck of electric hand drill; The middle part of holding frame 5 is provided with an opening, namely holding frame 5 is at described opening part dimidiation, for adapting to the neck of the electric hand drill of different size, holding frame 5 is provided with protruding link 7 in the both sides of described opening, the link 7 of described opening both sides is bolted, to realize holding frame 5 to be fixedly connected with the neck of electric hand drill; The both sides of holding frame 5 are equipped with projection, two cradling pieces 2 pass the projection of holding frame 5 both sides, the projection of holding frame 5 both sides is provided with fastening bolt 8, fastening bolt 8 is for the connection between fastening clamp frame 5 and cradling piece 2, simultaneously, the connected mode of this structure can facilitate carries out relative sliding between cradling piece 2 and holding frame 5 and adjusts relative distance, to adapt to the electric hand drill of different size.
Described electric hand drill counterbore joins drill tools can also comprise drill jig 4, the front end of drill jig 4 is the taper projection corresponding with the counterbore of doorframe, drill jig 4 is located in the through hole of die holder 3, the center of drill jig 4 is provided with the through hole corresponding with the bit diameter of electric hand drill, the drill bit of electric hand drill can carry out boring work through the through hole of drill jig 4, namely drill jig 4 is provided with in die holder 3, drill bit on electric hand drill is through drill jig 4, and, can by the drill jig 4 changing different through-hole diameter the electric hand drill of corresponding different bit diameter, considerably increase the versatility that described electric hand drill counterbore joins drill tools, also the drill bit that die holder 3 just can realize corresponding different size need not be changed.
The front end face of die holder 3 is provided with protective pad (not shown), and the material of described protective pad is preferably elastomeric material.
Electric hand drill counterbore of the present utility model joins drill tools is fixed on electric hand drill neck by holding frame, can stretch along with drilling process, not only can locate but also can lead, and the drill bit of different-diameter can be suitable for by changing the parts thought, repair and replacement are convenient, can ensure that the hole that electric hand drill bores keeps concentric with the hole of joining brill, and the direction in hole is vertical and the degree of depth is certain, solve screw in prior art and the easily crooked problem of rear head of screw is installed, operator does not need special training just can get out not only concentric but also vertical bottom outlet, and operator does not increase extra operational motion, simultaneously, due to convenient to operation, greatly increase the efficiency of boring, thus greatly increase production efficiency, also reduce the waste of production cost.
Embodiment of the present utility model provides for the purpose of example and description, and is not exhaustively or by the utility model be limited to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present utility model and practical application are better described, and enables those of ordinary skill in the art understand the utility model thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (9)
1. an electric hand drill counterbore joins drill tools, it is characterized in that, comprise support, holding frame, die holder and back-moving spring, the rear end of described support is connected with described holding frame and is connected on described electric hand drill by described holding frame, the front end of described support be connected with described die holder and and be provided with described back-moving spring between described die holder, described die holder can be elastic relative to described support, the center of the front end of described die holder is provided with the projection corresponding with counterbore, the center of described die holder is provided with a through hole, the drill bit of electric hand drill can carry out boring work through the through hole of described die holder.
2. electric hand drill counterbore according to claim 1 joins drill tools, it is characterized in that, described support comprises carrier base and cradling piece, described carrier base and die holder are tubular, described carrier base and described carrier base relative with described die holder opening is enclosed within the outside of described die holder, described back-moving spring is located between described carrier base and described die holder, and described cradling piece is two and is located at described carrier base both sides, and described cradling piece is connected with described holding frame.
3. electric hand drill counterbore according to claim 2 joins drill tools, it is characterized in that, the sidewall of described carrier base is provided with stopper slot, described die holder is provided with caging bolt, described caging bolt is arranged in described stopper slot, and described stopper slot and caging bolt are for limiting the described die holder degree elastic relative to described carrier base.
4. electric hand drill counterbore according to claim 2 joins drill tools, it is characterized in that, described holding frame is the ring-type corresponding with the neck of electric hand drill.
5. electric hand drill counterbore according to claim 4 joins drill tools, it is characterized in that, the middle part of described holding frame is provided with an opening, and described holding frame is provided with protruding link in the both sides of described opening, the link of described opening both sides is bolted.
6. electric hand drill counterbore according to claim 4 joins drill tools, it is characterized in that, two cradling pieces pass the both sides of described holding frame, and the both sides of described holding frame are provided with fastening bolt, and described fastening bolt is used for the connection between fastening described holding frame and described cradling piece.
7. electric hand drill counterbore according to claim 1 joins drill tools, it is characterized in that, described electric hand drill counterbore is joined drill tools and is also comprised drill jig, the front end of described drill jig is the taper projection corresponding with the counterbore of doorframe, described drill jig is located in the through hole of described die holder, the center of described drill jig is provided with the through hole corresponding with the bit diameter of electric hand drill, and the drill bit of electric hand drill can carry out boring work through the through hole of described drill jig.
8. join drill tools according to the electric hand drill counterbore in claim 1-7 described in any one, it is characterized in that, the front end face of described die holder is provided with protective pad.
9. electric hand drill counterbore according to claim 8 joins drill tools, it is characterized in that, the material of described protective pad is elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420708449.9U CN204276978U (en) | 2014-11-21 | 2014-11-21 | Electric hand drill counterbore joins drill tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420708449.9U CN204276978U (en) | 2014-11-21 | 2014-11-21 | Electric hand drill counterbore joins drill tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204276978U true CN204276978U (en) | 2015-04-22 |
Family
ID=52860174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420708449.9U Active CN204276978U (en) | 2014-11-21 | 2014-11-21 | Electric hand drill counterbore joins drill tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204276978U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458339A (en) * | 2015-12-16 | 2016-04-06 | 中国科学院长春光学精密机械与物理研究所 | Positioning guider for drill bit of electric hand drill |
| CN108145214A (en) * | 2018-02-09 | 2018-06-12 | 重庆聚陆新能源有限公司 | A kind of drill holder |
| CN108247112A (en) * | 2018-04-03 | 2018-07-06 | 北京戴纳实验科技有限公司 | A kind of dust-free locating trepanning vehicle |
-
2014
- 2014-11-21 CN CN201420708449.9U patent/CN204276978U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458339A (en) * | 2015-12-16 | 2016-04-06 | 中国科学院长春光学精密机械与物理研究所 | Positioning guider for drill bit of electric hand drill |
| CN108145214A (en) * | 2018-02-09 | 2018-06-12 | 重庆聚陆新能源有限公司 | A kind of drill holder |
| CN108247112A (en) * | 2018-04-03 | 2018-07-06 | 北京戴纳实验科技有限公司 | A kind of dust-free locating trepanning vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |