CN207205334U - A kind of household portable hand drill - Google Patents
A kind of household portable hand drill Download PDFInfo
- Publication number
- CN207205334U CN207205334U CN201720567705.0U CN201720567705U CN207205334U CN 207205334 U CN207205334 U CN 207205334U CN 201720567705 U CN201720567705 U CN 201720567705U CN 207205334 U CN207205334 U CN 207205334U
- Authority
- CN
- China
- Prior art keywords
- loop bar
- bevel gear
- screw rod
- cover
- bifilar helix
- 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
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- Drilling And Boring (AREA)
Abstract
A kind of household portable hand drill, including handle, upper loop bar, lower loop bar, inertia disk, cover, one-way clutch, actuating unit, circlip, positive stop, chuck, drill bit, locking switch.When pushing upper loop bar, the upper bevel gear in one-way clutch engages with lower bevel gear, and the downward linear motion of bifilar helix screw rod is converted to the motion that rotates in a circumferential direction of lower loop bar by actuating unit, so as to drive drill bit to rotate；When above pulling on loop bar, the upper bevel gear in one-way clutch separates with lower bevel gear, and the upward linear motion of bifilar helix screw rod is converted to the idle running of itself by actuating unit；Such repeatedly upper and lower tension and compression handle, under the continuous acceleration of inertia disk, the speed of drill bit gradually increases, and realizes drilling operation.The utility model is reasonable in design, easy to operate, easy to spread.
Description
Technical field
The present invention is a kind of Manual drilling instrument, is a kind of household portable hand drill for not needing power supply.
Background technology
The boring bar tool species of the various difference in functionalitys of in the market is various, but most of boring bar tools are suitable for field brill
Hole or industrial production drilling, a kind of household portable hand drill not yet occur.In daily life, we are indispensable
Need to some thicker books, data, plastic products, rubber, woodwork even some relatively thin aluminium sheets, copper coin, iron
Plate etc. is drilled, and has many people to be punched often through sharp object is broken, and people can be with the case of conditions permit
Drilled using industrial drilling machine, but often volume is big for industrial drilling machine, quality weight, and it is inconvenient to carry, caused to make an uproar
Sound is big, can also be limited even if small-sized electric hand drill by position of source, the inconvenient or battery life that drills is short, power consumption
The problems such as big；The mode that sharp objects are drilled is more inadvisable, and not only caused noise is big, and very dangerous with breaking,
Easily hurt body.
The content of the invention
For above-mentioned problem, the present invention is intended to provide one kind does not need power drives, simple in construction, operation side
Just, it is suitable for the hand drill of family expenses.
To reach above-mentioned purpose, the present invention is achieved through the following technical solutions：A kind of hand drill, including handle,
Upper loop bar, lower loop bar, inertia disk, cover, one-way clutch, actuating unit, circlip, positive stop, chuck, brill
Head, locking switch；Cover is made up of upper cover and lower cover；One-way clutch is by bifilar helix screw rod, upper bevel gear, spring
And lower bevel gear forms inside upper bush；Actuating unit is by bifilar helix screw rod, ball and screw-casing in lower sleeve
Portion forms；Locking switch is made up of pipe female connector and locking cap.The handle is fixed in the upper end of loop bar；Upper loop bar is slidably socketed
In lower loop bar, the internal diameter of upper loop bar is slightly larger than the external diameter of lower loop bar；Upper bush is fixed in the upper end inside loop bar, and epicone tooth
Wheel is fixed in upper bush inner upper end；Lower sleeve is fixed in the upper end inside lower loop bar, and screw-casing is fixed in inside lower sleeve；
The activity of bifilar helix screw rod passes through upper bevel gear and screw-casing, and lower bevel gear is fixed in the upper end of bifilar helix screw rod and positioned at upper
The lower section of bevel gear, positive stop are fixed in the lower end of bifilar helix screw rod；Spring is used as bolster, be arranged on bevel gear and
Between lower bevel gear；Ball is arranged in the double spiral groove that bifilar helix screw rod coordinates with screw-casing；Circlip is installed respectively
In the lower surface of upper bush and the upper and lower end face of lower sleeve, axially position is realized；The lower end of lower loop bar is provided with the folder of magnetic
Head, drill bit is arranged on collet interior, and is installed with inertia disk at the 10mm of chuck upper surface；Cover is socketed on down by bearing
Loop bar, and encapsulate inertia disk；Locking switch is installed in the joint of upper loop bar lower end and lower loop bar upper end.
Further, handle can be manufactured with elastomeric material, and be provided with anti-slip veins.
Further, bifilar helix screw rod, upper bevel gear, spring and lower bevel gear constituted inside upper bush unidirectionally from
Attach together and put, it is ensured that drill bit makees unidirectional rotary motion under the drive of lower loop bar.
Further, spring can be bought as standard component in hard ware store, is arranged between bevel gear and lower bevel gear, tool
There is cushioning effect.
Further, bifilar helix screw rod, ball and screw-casing constitute actuating unit inside lower sleeve, so as to
In the rotary motion by the transform linear motion of screw rod for lower loop bar.
Further, the rotation direction of bifilar helix screw rod is consistent with the rotation direction of bifilar helix inside screw-casing, is all left-handed, spiral shell
Away from scope between 5~10mm, bifilar helix screw rod is identical with being provided with several specifications in the double spiral groove that screw-casing coordinates
Ball formed ball screw assembly,.
Further, positive stop is fixed in bifilar helix screw rod lower tip, prevents bifilar helix screw rod from departing from spiral
Set.
Further, circlip can be bought in hard ware store, had and realized axially position and buffer portion rigid shock power
Effect.
Further, inertia disk available quality scope manufactures in 1~2kg hard lead or alloy steel material, is advantageous to
The advantages of increasing pressure, increase rotary inertia and keeping rotary balance.
Further, cover is made up of upper cover and lower cover, and the outer surface of its inner surface and inertia disk coordinates for gap,
The junction of upper and lower cover is by screw attachment, and the surface of cover is provided with the rubber with anti-slip veins, is advantageous to increase and holds support
The frictional force of lid, stablize drill, be easy to implement the bore operation of upper and lower, left and right four direction.
Further, the cooperation Cross section Design of chuck and drill bit is regular hexagon, and colleting is magnetic, can be according to institute
The size that need to drill changes the drill bit of various criterion diameter.
Further, locking switch is matched somebody with somebody by screw thread with locking cap by pipe female connector and is combined into, and pipe female connector is fixed in loop bar
Lower end and be that gap coordinates with the outer surface of lower loop bar, be easy to lock in a non-operative state and opened under working condition.
Further, upper loop bar, lower loop bar, upper cover, lower cover, bifilar helix screw rod, upper bevel gear, upper bush, under
Bevel gear, lower sleeve, ball, screw-casing, positive stop, chuck, drill bit, pipe female connector, locking cap can be respectively with alloy material systems
Make.
The beneficial effects of the invention are as follows：Family expenses hand drill is reasonable in design, simple to operate, small volume, quality
It is lighter, easy to carry, the drill bit of the size that can be drilled in drilling according to needed for work selection appropriate size, and can utilize
Inertia disk increases rotary inertia and improves drilling efficiency.
Brief description of the drawings
Fig. 1 is a kind of structural representation of household portable hand drill of the present invention.
Fig. 2 is the motion state schematic diagram that upper loop bar stress of the present invention pushes.
Fig. 3 is the motion state schematic diagram of upper loop bar stress pull-up of the present invention.
In each accompanying drawing：Passed including handle 1, upper loop bar 2, lower loop bar 3, inertia disk 4, cover 5, one-way clutch 6, power
Dynamic device 7, circlip 18, positive stop 19, chuck 20, drill bit 21, locking switch 22；Cover 5 is by upper cover 8 and lower cover
9 compositions；One-way clutch 6 is by bifilar helix screw rod 10, upper bevel gear 11, spring 13 and lower bevel gear 14 in upper bush 12
Portion forms；Actuating unit 7 is made up of bifilar helix screw rod 10, ball 16 and screw-casing 17 inside lower sleeve 15；Locking
Switch 22 is made up of pipe female connector 23 and locking cap 24.
Embodiment
The technical scheme that 1,2,3 couple of present invention is embodied below in conjunction with the accompanying drawings is described in detail.
A kind of household portable hand drill as shown in Figure 1, including handle 1, upper loop bar 2, lower loop bar 3, inertia disk
4th, cover 5, one-way clutch 6, actuating unit 7, circlip 18, positive stop 19, chuck 20, drill bit 21, locking
Switch 22；Cover 5 is made up of upper cover 8 and lower cover 9；One-way clutch 6 by bifilar helix screw rod 10, upper bevel gear 11,
Spring 13 and lower bevel gear 14 form inside upper bush 12；Actuating unit 7 is by bifilar helix screw rod 10, ball 16 and spiral shell
Rotation set 17 forms inside lower sleeve 15；Locking switch 22 is made up of pipe female connector 23 and locking cap 24.The handle 1 is fixed in
The upper end of upper loop bar 2；Upper loop bar 2 is slidably socketed in lower loop bar 3, and the internal diameter of upper loop bar 2 is slightly larger than the external diameter of lower loop bar 3；Upper set
Cylinder 12 is fixed in the upper end inside loop bar 2, and upper bevel gear 11 is fixed in the inner upper end of upper bush 12；Lower sleeve 15 is fixed in
Upper end inside lower loop bar 3, and screw-casing 17 is fixed in inside lower sleeve 15；The activity of bifilar helix screw rod 10 passes through upper bevel gear
11 and screw-casing 17, lower bevel gear 14 is fixed in the upper end of bifilar helix screw rod 10 and positioned at the lower section of upper bevel gear 11, spacing
Block 19 is fixed in the lower end of bifilar helix screw rod 10；Spring 13 is used as bolster, is arranged on bevel gear 11 and lower bevel gear
Between 14；Ball 16 is arranged in the double spiral groove that bifilar helix screw rod 10 coordinates with screw-casing 17；Circlip 18 is pacified respectively
Mounted in the lower surface of upper bush 12 and the upper and lower end face of lower sleeve 15, axially position is realized；The lower end of lower loop bar 3 is provided with
The chuck 20 of magnetic, drill bit 21 is arranged on inside chuck 20, and is installed with inertia disk 4 at the upper surface 10mm of chuck 20；Support
Lid 5 is socketed on bar 3 of trapping by bearing, and encapsulates inertia disk 4；Installed in the joint of the upper lower end of loop bar 2 and the lower upper end of loop bar 3
There is locking switch 22.
As shown in Fig. 2 holding handle 1 of stopping with one, another hand rest lives cover 5, applies downward power to upper loop bar 2
F1When, in one-way clutch 6, upper bevel gear 11 moves down therewith, and upper bevel gear 11 and lower bevel gear 14 are progressively engaged, when after
Continuous when moving downward, bifilar helix screw rod 10 starts to move down, and when by actuating unit 7, downward linear motion is turned
The motion that rotates in a circumferential direction of screw-casing 17 is changed to, so as to drive lower sleeve 15 to drive lower loop bar 3 to rotate, drives to be arranged on therewith and traps
Drill bit 21 inside the inertia disk 4 and chuck 20 of the lower end of bar 3 rotates, and realizes normal work.
As shown in figure 3, holding handle 1 of stopping with one, another hand rest lives cover 5, applies upward power to upper loop bar 2
F2When, in one-way clutch 6, upper bevel gear 11 moves up therewith, and upper bevel gear 11 is gradually disengaged with lower bevel gear 14, when after
During continuous motion upwards, bifilar helix screw rod 10 starts to move up, and when by actuating unit 7, upward linear motion is turned
The motion that rotates in a circumferential direction for being changed to itself is dallied, and realizes power on reset.
Claims (6)
- A kind of 1. household portable hand drill, it is characterised in that：Including handle (1), upper loop bar (2), lower loop bar (3), used Property disk (4), cover (5), one-way clutch (6), actuating unit (7), circlip (18), positive stop (19), folder Head (20), drill bit (21), locking switch (22)；Cover (5) is made up of upper cover (8) and lower cover (9)；One-way clutch (6) by bifilar helix screw rod (10), upper bevel gear (11), spring (13) and lower bevel gear (14) in the internal group of upper bush (12) Into；Actuating unit (7) is by bifilar helix screw rod (10), ball (16) and screw-casing (17) in the internal group of lower sleeve (15) Into；Locking switch (22) is made up of pipe female connector (23) and locking cap (24)；Handle (1) is fixed in the upper end of loop bar (2)；Upper set Bar (2) is slidably socketed in lower loop bar (3), and the internal diameter of upper loop bar (2) is slightly larger than the external diameter of lower loop bar (3)；Upper bush (12) is affixed In the internal upper end of upper loop bar (2), and upper bevel gear (11) is fixed in upper bush (12) inner upper end；Lower sleeve (15) is fixed in The internal upper end of lower loop bar (3), and screw-casing (17) is fixed in lower sleeve (15) inside；Bifilar helix screw rod (10) activity passes through Upper bevel gear (11) and screw-casing (17), lower bevel gear (14) are fixed in the upper end of bifilar helix screw rod (10) and are located at epicone tooth The lower section of (11) is taken turns, positive stop (19) is fixed in the lower end of bifilar helix screw rod (10)；Spring (13) is used as bolster, sets Between upper bevel gear (11) and lower bevel gear (14)；Ball (16) is matched somebody with somebody installed in bifilar helix screw rod (10) with screw-casing (17) In the double spiral groove of conjunction；Circlip (18) is separately mounted to the lower surface of upper bush (12) and the upper and lower end of lower sleeve (15) Face, realize axially position；The lower end of lower loop bar (3) is provided with the chuck (20) of magnetic, and drill bit (21) is arranged on chuck (20) Inside, and it is installed with inertia disk (4) at chuck (20) upper surface 10mm；Cover (5) is socketed on bar of trapping by bearing (3), and inertia disk (4) is encapsulated；Locking switch (22) is installed in the joint of upper loop bar (2) lower end and lower loop bar (3) upper end.
- A kind of 2. household portable hand drill according to claim 1, it is characterised in that：Bifilar helix screw rod (10) The internal bifilar helix of rotation direction and screw-casing (17) rotation direction it is consistent, be all left-handed, pitch scope is between 5~10mm, double spiral shells Several specification identical balls (16) are installed in the double spiral groove that spin line screw rod (10) coordinates with screw-casing (17) and form rolling Ballscrew pair.
- A kind of 3. household portable hand drill according to claim 1, it is characterised in that：Inertia disk (4) can use matter The hard lead or alloy steel material that scope is measured in 1~2kg manufacture.
- A kind of 4. household portable hand drill according to claim 1, it is characterised in that：Cover (5) is by upper cover (8) coordinate with lower cover (9) composition, its inner surface and the outer surface of inertia disk (4) for gap, the junction of upper and lower cover leads to Screw attachment is crossed, and the surface of cover (5) is provided with the rubber with anti-slip veins.
- A kind of 5. household portable hand drill according to claim 1, it is characterised in that：Chuck (20) and drill bit (21) cooperation Cross section Design is regular hexagon, and chuck (20) band is magnetic.
- A kind of 6. household portable hand drill according to claim 1, it is characterised in that：Locking switch (22) is by pipe Female connector (23) is matched somebody with somebody with locking cap (24) by screw thread to be combined into, and pipe female connector (23) is fixed in the lower end of loop bar (2) and with trapping The outer surface of bar (3) coordinates for gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720567705.0U CN207205334U (en) | 2017-05-22 | 2017-05-22 | A kind of household portable hand drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720567705.0U CN207205334U (en) | 2017-05-22 | 2017-05-22 | A kind of household portable hand drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207205334U true CN207205334U (en) | 2018-04-10 |
Family
ID=61811185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720567705.0U Expired - Fee Related CN207205334U (en) | 2017-05-22 | 2017-05-22 | A kind of household portable hand drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207205334U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414143A (en) * | 2017-05-22 | 2017-12-01 | 内蒙古工业大学 | A kind of household portable hand drill |
-
2017
- 2017-05-22 CN CN201720567705.0U patent/CN207205334U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414143A (en) * | 2017-05-22 | 2017-12-01 | 内蒙古工业大学 | A kind of household portable hand drill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20190522 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |