CN103846868B - Ailing machine - Google Patents
Ailing machine Download PDFInfo
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- CN103846868B CN103846868B CN201210517224.0A CN201210517224A CN103846868B CN 103846868 B CN103846868 B CN 103846868B CN 201210517224 A CN201210517224 A CN 201210517224A CN 103846868 B CN103846868 B CN 103846868B
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- casing
- nail
- output shaft
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Abstract
The invention discloses a kind of ailing machine, in it, the bearing core of Oscillating lever bearing is connected with the reduction gearbox output shaft of reduction box, the fork of Oscillating lever bearing and piston hinge in it, it is connected for being slidingly connected between bearing core with reduction gearbox output shaft, frictional disk it is fixed with on reduction gearbox output shaft, connection dish it is fixed with on bearing core, and connection dish and frictional disk are provided with mutually opposing rubbing surface, the connecting rod extended back it is fixedly connected with on nail hitting pin, a rag iron spring is there also is provided in casing, rag iron spring one end is hinged in casing, the other end is against on described connecting rod, middle part is against on described bearing core, thus constitute the elastic lever mechanism selectively making the rubbing surface of connection dish and the rubbing surface of frictional disk mutually compress or separate when nail hitting pin front and back position changes.The ailing machine of present invention machine when zero load will not shake, and noise is little.
Description
Technical field
The present invention relates to electric tool technical field, specifically a kind of ailing machine.
Background technology
Ailing machine is a kind of conventional hand-held tool, and it is of a great variety.Different according to power source, ailing machine can be divided into pneumatic and electronic two big classes.
nullThe Chinese utility model of Patent No. ZL201020229018.6 discloses a kind of gas pin gun，It is not difficult to find out from its patent documentation，This ailing machine includes casing and the appearance nail mouth being located in this casing，It is provided with in described casing: motor、The reduction box being connected with the motor shaft of this motor (is completed to slow down and the bevel gear of conversion angle by a pair、Jackshaft and bevel gear shaft are constituted)、Oscillating lever bearing、Cylinder block and for impacting the nail hitting pin of nail，Described nail hitting pin moves before and after being fixed on described cylinder block front interior by positioning sleeve and can be made axially，Cylinder block rear interior is provided with piston，The front interior of this piston is provided with the axial cavity of one end open，By sealing ring, pneumatic hammer is installed in described axial cavity，And cylinder block、Pneumatic hammer、Nail hitting pin and appearance nail mouth are coaxially arranged，Described Oscillating lever bearing includes interconnective bearing core and fork，Wherein bearing core is connected with the reduction gearbox output shaft close-fitting of reduction box，Fork and piston hinge.
Above-mentioned ailing machine has a disadvantage in that
When not having nail in appearance nail mouth (ailing machine is in Light Condition), if opening the motor of ailing machine, nail hitting pin also can make reciprocal motion of beaing, thus causes machine to vibrate, and noise is bigger.
Summary of the invention
The present invention seeks to: provide a kind of ailing machine, it is intended to the problem that when solving machine zero load, machine is susceptible to vibrations.
nullThe technical scheme is that described ailing machine，Including casing and be located in this casing appearance nail mouth，It is provided with in described casing: motor、The reduction box being connected with the motor shaft of this motor、Oscillating lever bearing、Cylinder block and for impacting the nail hitting pin of nail，Described nail hitting pin moves before and after being fixed on described cylinder block front interior by positioning sleeve and can be made axially，Cylinder block rear interior is provided with piston，The front interior of this piston is provided with the axial cavity of one end open，By sealing ring, pneumatic hammer is installed in described axial cavity，And cylinder block、Pneumatic hammer、Nail hitting pin and appearance nail mouth are coaxially arranged，Described Oscillating lever bearing includes interconnective bearing core and fork，Wherein bearing core is connected with the reduction gearbox output shaft of reduction box，Fork and described piston hinge，It is connected for being slidingly connected between described bearing core and reduction gearbox output shaft，It is fixed with frictional disk on described reduction gearbox output shaft，Connection dish it is fixed with on described bearing core，And connection dish and frictional disk are provided with mutually opposing rubbing surface，It is fixedly connected with, on described nail hitting pin, the connecting rod extended back，A rag iron spring is there also is provided in described casing，This rag iron spring one end is hinged in casing、The other end is against on described connecting rod、Middle part is against on described bearing core，Thus constitute the elastic lever mechanism selectively making the rubbing surface of described connection dish and the rubbing surface of frictional disk mutually compress or separate when nail hitting pin front and back position changes.
As preferably, the middle part of described rag iron spring is formed with bending part, and this bending part is against on described bearing core.
As preferably, described casing is involuted by left and right two half shell, and vertical handle is formed at casing bottom, and horizontal rifle mouth is formed at casing top.More preferably, described motor is vertically arranged in the handle of described casing bottom, and described nail hitting pin and cylinder block are arranged horizontally in the rifle mouth on described casing top.
As preferably, described reduction gearbox output shaft is horizontally disposed, and its end connects a needle bearing being fixed in described casing.
The invention have the advantage that disclosed ailing machine, when zero load, Oscillating lever bearing in rifle will not swing, thus nail hitting pin will not occur before and after nail hitting campaign, and then avoid the problem that ailing machine the most easily vibrates, vibrating noise is big.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings and embodiment the invention will be further described:
Fig. 1 is the partial structurtes schematic diagram (for the ease of reader understanding's technical scheme, this figure illustrates piston when being in two kinds of diverse locations, the structural representation of this ailing machine) of ailing machine of the present invention；
Fig. 2 is that the A-A of Fig. 1 is to sectional view；
Fig. 3 is that the B-B of Fig. 1 is to sectional view；
Wherein: 1-casing, 2-motor, 3-reduction box, 31-reduction gearbox output shaft, 4-cylinder block, 41-piston, 42-pneumatic hammer, 5-nail hitting pin, 6-rag iron spring, 61-bending part, 7-Oscillating lever bearing, 71-bearing core, 72-fork, 8-frictional disk, 9-connecting rod, 10-connection dish, 11-holds nail mouth, 12-needle bearing.
Detailed description of the invention
As it is shown in figure 1, the ailing machine of the present embodiment, including casing 1 and the appearance nail mouth 11 that is located in this casing.Described casing 1 is involuted by left and right two half shell, and vertical handle is formed at casing 1 bottom, and horizontal rifle mouth is formed at casing 1 top.
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, the inner chamber of described casing 1 is provided with: motor 2, reduction box 3, Oscillating lever bearing 7, cylinder block 4 and nail hitting pin 5.Wherein, motor 2 is vertically arranged in the handle of described casing 1 bottom (motor shaft is upward), nail hitting pin 5 and cylinder block 4 are arranged horizontally in the rifle mouth on described casing 1 top, the motor shaft of motor 2 is connected with reduction box 3, the reduction gearbox output shaft 31 of reduction box 3 is horizontally disposed, cylinder block 41 is provided with air inlet and steam vent, and Oscillating lever bearing 7 includes interconnective bearing core 71 and fork 72.
In order to ensure the steadiness of reduction gearbox output shaft 31, it is to avoid after ailing machine uses for a long time, there is axial dipole field in the position of reduction gearbox output shaft 31, and this example also connects a needle bearing 12 being fixed in described casing 1 in the end of reduction gearbox output shaft 31.
Described nail hitting pin 5 is fixed on described cylinder block 4 front interior (" front side " and " rear side " described in the present embodiment by positioning sleeve, refer both to: with Fig. 1 as reference, it is parallel to paper to the right for front side, it is parallel to paper to the left for rear side) and move, to impact nail before and after can making axially.Cylinder block 4 rear interior is provided with piston 41, and the front interior of this piston is provided with the axial cavity of one end open, is provided with pneumatic hammer 42 by sealing ring in described axial cavity.And described cylinder block 4, pneumatic hammer 42, nail hitting pin 5 and Rong Ding mouth 11 are coaxially arranged.Pneumatic hammer 42 is provided with the air spring promoting pneumatic hammer axially to contact with nail hitting pin 5 with the top of piston 41.
In order to avoid being susceptible to vibration when this ailing machine is opened in the unloaded state, the present embodiment additionally uses following structure:
The fork 72 of described Oscillating lever bearing 7 is hinged with described piston 41, it is connected for being slidingly connected between bearing core 71 and the reduction gearbox output shaft 31 of reduction box 3 of Oscillating lever bearing 7, that is: bearing core 71 is enclosed within reduction gearbox output shaft 31, and bearing core 71 can do the slip rotationally and axially of circumferencial direction relative to reduction gearbox output shaft 31.It is fixed with frictional disk 8 on described reduction gearbox output shaft 31, described bearing core 71 is fixed with connection dish 10, and connection dish 10 and frictional disk 8 are provided with mutually opposing rubbing surface.The connecting rod 9 extended back it is fixedly connected with on described nail hitting pin 5, a rag iron spring 6 is there also is provided in described casing 1, this rag iron spring 6 one end is hinged in casing 1, the other end be against on described connecting rod 9 (be specifically against the rearward end of connecting rod), middle part is against on described bearing core 71, constitutes an elastic lever mechanism.This elastic lever mechanism according to the difference of nail hitting pin 5 front and back position, and can optionally make the rubbing surface of described connection dish 10 and the rubbing surface of frictional disk 8 mutually compress or separate, and is specifically described as follows:
When this ailing machine normally works, the rear end of nail is stretched in appearance nail mouth 11.The handle now holding ailing machine makes the front end of nail hitting pin 5 prop up the rear end of nail and press forward, nail hitting pin 5 is made to be moved rearwards by, move after nail hitting pin 5 drivening rod 9, thus move after oppressing the end of rag iron spring 6, the bearing core 71 making conflict Oscillating lever bearing 7 in the middle part of rag iron spring 6 moves axially to frictional disk 8 direction, and then make the rubbing surface on connection dish 10 and the rubbing surface on frictional disk 8 be tightly pressed together, thus make between bearing core 71 and reduction gearbox output shaft 31, to realize circumferentially fixed (also achieving therebetween axial fixing) simultaneously.Now opening motor 2, the motor shaft of motor 2 drives reduction gearbox output shaft 31 to rotate, and reduction gearbox output shaft 31 drives bearing core 71 to rotate again, swings before and after making fork 72, and fork 72 drives piston 41 to move forward and backward, and pneumatic hammer 42 moves with piston 41.When pneumatic hammer 42 moves to primary importance with piston 41, nail hitting pin 5 moves (rearward movement) under suction function in cylinder block 4, and the air inlet air inlet in cylinder block 3 is in energy accumulating state；When pneumatic hammer 42 moves to the second position with piston 41, pneumatic hammer 42 contacts with nail hitting pin 5, and the control spring buffer pneumatic hammer 42 between piston 41 and pneumatic hammer 42 vibrates, the steam vent aerofluxus in cylinder block 4, and then completes to impact nail once.The fork 72 of Oscillating lever bearing 7 constantly makees reciprocally swinging, and pneumatic hammer 5 impacts nail hitting pin 5 continuously, and then impacts nail continuously.
When the zero load of this ailing machine, nail hitting pin 5 is not in contact with to nail.Under rag iron spring 6 acts on, connecting rod 9 and nail hitting pin 5 move forward, active force in the middle part of rag iron spring 6 and between bearing core 71 is zero or is close to zero, connection dish 10 and frictional disk 8 are separated, so that the rubbing surface of rubbing surface on connection dish 10 and frictional disk 8 is separated, also the bearing core 71 allowing for Oscillating lever bearing 7 can circumferentially rotate relative to reduction gearbox output shaft 31, clearance fit between bearing core 71 and reduction gearbox output shaft 31.Now open motor 2, motor 2 drives reduction gearbox output shaft 31 to rotate, due to now between reduction gearbox output shaft 31 with bearing core 71 for being flexibly connected, no matter how reduction gearbox output shaft 31 rotates, the bearing core 71 of Oscillating lever bearing 7 also will not rotate with reduction gearbox output shaft 31, and fork 72 also would not swing, and Oscillating lever bearing 7 does not works, piston 41 and nail hitting pin 5 remain static all the time, and ailing machine will not vibrate.
In order to make this ailing machine operationally, can conflict the well bearing core 71 of Oscillating lever bearing 7 of rag iron spring 6 moves to frictional disk 8 direction, and this example is formed with bending part 61 at the middle part of described rag iron spring 6, and this bending part 61 is against on described bearing core 71.
Certainly, above-described embodiment only for technology design and the feature of the present invention are described, its object is to allow people will appreciate that present disclosure and to implement according to this, can not limit the scope of the invention with this.All equivalent transformations done according to the spirit of main technical schemes of the present invention or modification, all should contain within protection scope of the present invention.
Claims (5)
- null1. an ailing machine，Including casing (1) and be located in this casing appearance nail mouth (11)，It is provided with in described casing: motor (2)、The reduction box (3) being connected with the motor shaft of this motor、Oscillating lever bearing (7)、Cylinder block (4) and for impacting the nail hitting pin (5) of nail，Described nail hitting pin (5) is moved before and after being fixed on described cylinder block (4) front interior by positioning sleeve and can be made axially，Cylinder block (4) rear interior is provided with piston (41)，The front interior of this piston is provided with the axial cavity of one end open，By sealing ring, pneumatic hammer (42) is installed in described axial cavity，And cylinder block (4)、Pneumatic hammer (42)、Nail hitting pin (5) and appearance nail mouth (11) are coaxially arranged，Described Oscillating lever bearing (7) includes interconnective bearing core (71) and fork (72)，Wherein，Bearing core (71) is connected with the reduction gearbox output shaft (31) of reduction box (3)，Fork (72) is hinged with described piston (41)，It is characterized in that: be connected for being slidingly connected between described bearing core (71) with reduction gearbox output shaft (31), frictional disk (8) it is fixed with on described reduction gearbox output shaft (31), connection dish (10) it is fixed with on described bearing core (71), and connection dish (10) and frictional disk (8) are provided with mutually opposing rubbing surfaceThe connecting rod (9) extended back it is fixedly connected with on described nail hitting pin (5), a rag iron spring (6) is there also is provided in described casing (1), this rag iron spring (6) one end is hinged in casing (1), the other end is against on described connecting rod (9), middle part is against on described bearing core (71), thus constitutes the elastic lever mechanism selectively making the rubbing surface of described connection dish (10) and the rubbing surface of frictional disk (8) mutually compress or separate when nail hitting pin (5) front and back position changes.
- Ailing machine the most according to claim 1, it is characterised in that: the middle part of described rag iron spring (6) is formed with bending part (61), and this bending part (61) is against on described bearing core (71).
- Ailing machine the most according to claim 1 and 2, it is characterised in that: described casing (1) is involuted by left and right two half shell, and vertical handle is formed at casing (1) bottom, and horizontal rifle mouth is formed at casing (1) top.
- Ailing machine the most according to claim 3, it is characterised in that: described motor (2) is vertically arranged in the handle of described casing (1) bottom, and described nail hitting pin (5) and cylinder block (4) are arranged horizontally in the rifle mouth on described casing (1) top.
- Ailing machine the most according to claim 4, it is characterised in that: described reduction gearbox output shaft (31) is horizontally disposed, and its end connects a needle bearing (12) being fixed in described casing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210517224.0A CN103846868B (en) | 2012-12-06 | 2012-12-06 | Ailing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210517224.0A CN103846868B (en) | 2012-12-06 | 2012-12-06 | Ailing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103846868A CN103846868A (en) | 2014-06-11 |
| CN103846868B true CN103846868B (en) | 2016-08-03 |
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ID=50855235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210517224.0A Active CN103846868B (en) | 2012-12-06 | 2012-12-06 | Ailing machine |
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| Country | Link |
|---|---|
| CN (1) | CN103846868B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204736190U (en) | 2015-06-26 | 2015-11-04 | 张华定 | Nailer |
| CN107186156A (en) * | 2017-06-12 | 2017-09-22 | 南通超达装备股份有限公司 | A kind of wheel cover nailing frock |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3915242A (en) * | 1974-05-14 | 1975-10-28 | Star Expansion Ind Corp | Fastener driving power tool |
| DE19755407B4 (en) * | 1997-12-12 | 2007-12-13 | Hilti Ag | setting tool |
| US6929165B1 (en) * | 2004-08-04 | 2005-08-16 | Rexon Industrial Corp., Ltd. | Pneumatic nail gun |
| JP4984779B2 (en) * | 2006-09-19 | 2012-07-25 | マックス株式会社 | Gas fired driving tool |
| JP5397129B2 (en) * | 2009-09-28 | 2014-01-22 | 日立工機株式会社 | Spring type driving machine |
| CN102463557A (en) * | 2010-11-18 | 2012-05-23 | 苏州宝时得电动工具有限公司 | Nailing hammer |
| CN202114698U (en) * | 2011-04-27 | 2012-01-18 | 胡继宁 | Electric nail gun |
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2012
- 2012-12-06 CN CN201210517224.0A patent/CN103846868B/en active Active
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| Publication number | Publication date |
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| CN103846868A (en) | 2014-06-11 |
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