CN204013038U - Anti-knock shock resistance force motor and the fuel gas shooting nail device that comprises this anti-knock shock resistance force motor - Google Patents
Anti-knock shock resistance force motor and the fuel gas shooting nail device that comprises this anti-knock shock resistance force motor Download PDFInfo
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- CN204013038U CN204013038U CN201420239028.6U CN201420239028U CN204013038U CN 204013038 U CN204013038 U CN 204013038U CN 201420239028 U CN201420239028 U CN 201420239028U CN 204013038 U CN204013038 U CN 204013038U
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Abstract
A kind of anti-knock shock resistance force motor and the fuel gas shooting nail device that comprises this anti-knock shock resistance force motor, belong to construction equipment field, the deficiencies in the prior art are overcome, provide one can bear axial vibrations power and impulsive force, protection motor internal is not subject to the anti-knock shock resistance force motor of the destruction of gas explosion jerk, and it comprises electric machine casing; Be positioned at the motor magnetite seat of electric machine casing; Motor shaft, through the endoporus of motor magnetite seat; Described motor shaft stretches out in the part of electric machine casing back-up ring, locating snap ring, alignment pin, alignment pin is fixed in the hole on locating snap ring, in the time that motor shaft is subject to axial vibrations impact, locating snap ring is positioned at back-up ring top, moves and promotes back-up ring to touching with motor magnetite seat with motor shaft.
Description
Technical field
The fuel gas shooting nail device that the utility model relates to a kind of anti-knock shock resistance force motor and comprises this anti-knock shock resistance force motor, belongs to construction equipment field.
Background technology
Fixed operation in modern architecture industry is used pneumatic nail gun or gunpowder nail gun conventionally, pneumatic nail gun penetrates iron nail by the pressure of Compressed Gas and fixes timber, but because pneumatic nail gun must connect air compressor's bottle by tracheae when the operation, so operating personnel is restricted in the time of operation, pulls tracheae easily to cause danger when work high above the ground.Gunpowder nail gun promotes nail by the blast of gunpowder and fixes, but gunpowder nail gun is often fixed a gunpowder bullet of nail needs, cost costliness, and also dangerous high.
For above-mentioned reasons, on market, tight demand is a novel does not have tracheae, ail shooter that cost is low to replace pneumatic nail gun and gunpowder nail gun.And fuel gas shooting nail device is to utilize the pressure ejaculation iron nail of combustion gas gas burst to fix, therefore become the novel product that substitutes pneumatic nail gun and gunpowder nail gun.But fuel gas shooting nail device utilizes gas explosion to carry out operation, need to have the fan electromotor that the long-time explosion-proof of lasting antifatigue impacts be to be difficult at present the technical barrier that overcomes for the rapid mixing of combustion gas, ventilation in cavity.Because the flabellum of fuel gas shooting nail device motor must be placed among the gas explosion cavity of fuel gas shooting nail device, in the time of gas explosion motor axially can be subject to huge shaking force, common electric machine structure produces the bad working environments of shaking force cannot bear frequent gas explosion time.
Therefore need a kind of novel fuel gas shooting nail device motor, can bear huge axial vibrations power and impact, the destruction that protection motor internal is not subject to gas explosion jerk.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is: provide one can bear axial vibrations power and impact, protection motor internal is not subject to the anti-knock shock resistance force motor of the destruction of gas explosion jerk.
It is as follows that the utility model solves the technical scheme that its technical problem adopts: anti-knock shock resistance force motor, and it comprises electric machine casing; Be positioned at the motor magnetite seat of electric machine casing; Motor shaft, through the endoporus of motor magnetite seat; Described motor shaft stretches out in the part of electric machine casing back-up ring, locating snap ring, alignment pin, alignment pin is fixed in the hole on locating snap ring, in the time that motor shaft is subject to axial vibrations impact, locating snap ring is positioned at back-up ring top, moves and promotes back-up ring to touching with motor magnetite seat with motor shaft.
The side that described motor magnetite seat stretches out electric machine casing at motor shaft has bearing chamber, in bearing chamber, be provided with the bearing of supporting motor axle, back-up ring comprises outer ring and is fixed on the inner ring protruding on outer ring and towards bearing direction, the diameter of inner ring is less than the diameter of outer ring, in the time that motor shaft is subject to axial impact, inner ring promotes bearing and slides in bearing chamber, to outer ring and the touching of motor magnetite seat.
In described bearing chamber, be also provided with the Compress Spring of spring bearing, when inner ring promotes bearing, bearing promotes compression Compress Spring.
Described locating snap ring includes an alignment pin and runs through this locating snap ring and motor shaft, and is welded on motor shaft, and alignment pin two ends are welded on locating snap ring.
Described back-up ring and motor magnetite seating face have Hard Chromium Coating, increase the case hardness of back-up ring and magnetite seat.Hard Chromium Coating has high temperature-resistant grease layer outward.
The minor axis end of described motor shaft is provided with boss and fixes with coil panel, and minor axis end is positioned at electric machine casing.
Between described boss and coil panel for injection moulding is fixed.
On described coil panel, be provided with stop tooth.
Also comprise commutator, carbon brush, described commutator is fixed on the minor axis end of motor shaft, and minor axis end is positioned at electric machine casing; Carbon brush is fixed on brush station by torsion spring and carbon brush fixed axis; Brush station is fixed on electric machine casing; Wherein, commutator bottom is greater than the distance of back-up ring to motor magnetite seat end face to the distance of carbon brush fixed axis.
Go out axle head at described commutator and add an insulation spacer, then add a metallic gasket, and by welded metal pad on motor shaft tail end.
The utility model also provides a kind of fuel gas shooting nail device, comprises anti-knock shock resistance force motor, and the motor shaft of described anti-knock shock resistance force motor stretches out on the end of described electric machine casing and is fixed with ventilating fan.
Compared with prior art, the beneficial effects of the utility model are:
1. the motor shaft of the utility model anti-knock shock resistance force motor stretches out in the part of electric machine casing back-up ring, on back-up ring, there are fixing locating snap ring, alignment pin, in the time that motor shaft is given a shock impact, locating snap ring moves and promotes back-up ring to touching with motor magnetite seat with motor shaft, thereby it is mobile that motor shaft is stopped, and prevents that motor internal is damaged.
2. the utility model anti-knock shock resistance force motor, back-up ring and magnetite seat appearance have Hard Chromium Coating, and outside high-temperature lubricating grease layer in addition, avoids back-up ring and magnetite seat to produce friction, and use can make magnetite seat dented by back-up ring mill frequently, causes motor shaft to be subjected to displacement.Increase the useful life of product.
3. the minor axis end of the motor shaft of the utility model anti-knock shock resistance force motor is provided with boss, coil panel and boss injection moulding are fixed, on coil panel, be also provided with stop tooth, thereby avoided in the time being subject to axial force, the mutual displacement between coil panel and motor shaft, between coil and coil panel and loosening.
4. the utility model anti-knock shock resistance force motor goes out axle head at commutator and adds an insulation spacer and a metallic gasket, and by welded metal pad on motor shaft tail end, motor can be shifted with commutator being given a shock motor shaft while impacting.
5. in the bearing chamber of the utility model anti-knock shock resistance force motor, Compress Spring is installed; and bearing can slide in bearing chamber; motor shaft is in the time being subject to axial vibrations impact; Compress Spring can effectively cushion jerk; protection internal structure of motor; and make anti-knock shock resistance force motor energy Rapid reset after fuel gas shooting nail device nailing, thereby solved fuel gas shooting nail device at the quick starting problem penetrating after iron nail.
Brief description of the drawings
Fig. 1 is the sectional structure chart of the anti-knock shock resistance force motor of the utility model embodiment;
Fig. 2 is the partial enlarged drawing in region 60 in Fig. 1;
Fig. 3 is the motor shaft of the utility model embodiment vertical view after fixing with coil panel;
Fig. 4 is the profile of Fig. 3 along A-A direction.
Fig. 5 adds metallic gasket and axle welding figure on commutator.
Fig. 6 is the sectional structure chart of the anti-knock shock resistance force motor of the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated, but not as to restriction of the present utility model.
Refer to the embodiment of the present utility model shown in Fig. 1-6.
Embodiment:
Anti-knock shock resistance force motor and a fuel gas shooting nail device that comprises this anti-knock shock resistance force motor, it comprises electric machine casing 8; Be positioned at the motor magnetite seat 6 of electric machine casing 8; Motor shaft 1, through the endoporus of motor magnetite seat 6; Described motor shaft 1 stretches out in the part of electric machine casing 8 back-up ring 4, locating snap ring 2, alignment pin 3, alignment pin 3 is fixed in the hole on locating snap ring 2, in the time that motor shaft 1 is subject to axial vibrations impact, locating snap ring 2 is positioned at back-up ring 4 tops, moves and promotes back-up ring 4 to touching with motor magnetite seat 6 with motor shaft 1.
The side that described motor magnetite seat 6 stretches out electric machine casing 8 at motor shaft 1 has bearing chamber, in bearing chamber, be provided with the bearing of supporting motor axle 1, back-up ring 4 comprises outer ring and is fixed on the inner ring protruding on outer ring and towards bearing direction, the diameter of inner ring is less than the diameter of outer ring, in the time that motor shaft 1 is subject to axial impact, inner ring promotes bearing and slides in bearing chamber, touches to outer ring and motor magnetite seat 6.
In described bearing chamber, be also provided with the Compress Spring 7 of spring bearing, when inner ring promotes bearing, bearing promotes compression Compress Spring 7.
Described locating snap ring 2 includes an alignment pin 3 and runs through this locating snap ring 2 and motor shaft 1, and is welded on motor shaft 1, and alignment pin 3 two ends are welded on locating snap ring 2.
Described back-up ring 4 has Hard Chromium Coating 20 with motor magnetite seating face 6, increases the case hardness of back-up ring and magnetite seat.Outside Hard Chromium Coating 20, there is high temperature-resistant grease layer 21.
The minor axis end of described motor shaft 1 is provided with boss 81 fixing with coil panel 10, and minor axis end is positioned at electric machine casing 8.
Between described boss and coil panel 10 for injection moulding is fixed.
On described coil panel 10, be provided with stop tooth 101.
Also comprise commutator 14, carbon brush 11, described commutator 14 is fixed on the minor axis end of motor shaft 1, and minor axis end is positioned at electric machine casing 8; Carbon brush 11 is fixed on brush station 16 by torsion spring 13 and carbon brush fixed axis 12; Brush station 16 is fixed on electric machine casing 8; Wherein, commutator 14 bottoms are greater than the distance of back-up ring 4 to motor magnetite seat 6 end faces to the distance of carbon brush fixed axis 12.
Go out axle head at described commutator 14 and add an insulation spacer 22, then add a metallic gasket 15, and metallic gasket 15 is welded on motor shaft 1 tail end.
The utility model also provides a kind of fuel gas shooting nail device, comprises anti-knock shock resistance force motor, and the motor shaft 1 of described anti-knock shock resistance force motor stretches out on the end of described electric machine casing 8 and is fixed with ventilating fan 26.
Fuel gas shooting nail device below in conjunction with Fig. 6 and Fig. 1 to Fig. 5 to the present embodiment and the course of work of anti-knock shock resistance force motor thereof are elaborated, in the time of fuel gas shooting nail device, combustion gas is in cavity implode, and the blade of ventilating fan 26 is at the jerk that is axially subject to A direction of motor shaft 1; Blade drive motor axle 1 and the locating snap ring 2 of ventilating fan 26 move to A direction rapidly, and locating snap ring promotes back-up ring 4, and back-up ring 4 promotes clutch shaft bearing 5, and then extruding Compress Spring 7, in the time that the outer ring of back-up ring 4 touches motor magnetite seat 6, stop mobile.Because locating snap ring 2 and back-up ring 4 are subject to motor magnetite seat 6 reaction force each other, therefore locating snap ring 2 need to be very firm with the fixed form of motor shaft 1.In the present embodiment, be preferably and add the fixed form that alignment pin runs through motor shaft 1 and adds welding, thus the loosening and problem that comes off of locating snap ring 2 while having solved Reusability.
Because rotor moves to A direction rapidly after gas explosion, in the time that back-up ring 4 touches motor magnetite seat 6, between coil 9 and coil panel 10, coil panel 10 and motor shaft 1 because inertia produces relative pulling force, therefore the fixed form between coil 9 and coil panel 10, coil panel 10 and motor shaft 1 need very firm.In the present embodiment, on coil panel 10, being provided with stop tooth 101 is fixed coil 9, the minor axis end of motor shaft 1 is provided with boss 81, coil panel 10 injection mouldings are fixed on boss 81, thereby have solved coil 9 and coil panel 10, coil panel 10 and motor shaft 1 displacement and loosening problem each other in the time being subject to axial vibrations and impacting.
Due to fuel gas shooting nail device in use, after gas explosion, need fast, to the interior ventilation of cavity 35 and stirring, need motor to move immediately, and now the outer ring of back-up ring 4 to contact with motor magnetite seat 6, frictional force can cause the poor starting of motor, therefore needs back-up ring 4 to separate as early as possible with motor magnetite seat 6.In the present embodiment, at the residing bearing indoor location of clutch shaft bearing 5 Compress Spring 7, in the time that fuel gas shooting nail device uses, the axial force producing after gas explosion is played to cushioning effect, the thrust that can also produce B direction simultaneously promotes back-up ring 4 and separates with motor magnetite seat 6.
In the actual use of the present embodiment, although making motor be subject to axial force back-up ring 4, the interaction energy of Compress Spring 7 separates fast with after 6 collisions of magnetite seat, due to motor shaft 1 use procedure high speed rotation, back-up ring 4 has friction with magnetite seat 6, use can make magnetite seat 6 be ground dented by back-up ring 4 frequently, cause motor shaft 1 to be shifted, therefore this example is preferably at back-up ring 4 and magnetite seat 6 appearance hard chrome plating, and is coated with high temperature resistant luboil fat.
In addition, in the present embodiment, commutator 14 bottoms are greater than the distance of back-up ring 4 (being specially outer ring) to motor magnetite seat 6 end faces to the distance of carbon brush fixed axis 12, add the surperficial hard chrome processing of back-up ring 4 and magnetite seat 6, thereby ensured that motor shaft 1 is in the time being subject to axial impact, commutator 14 is not damaged.
To sum up, the fuel gas shooting nail device of the present embodiment and the advantage of motor thereof are as follows:
1, boss has been designed in the rear end of the anti-knock shock resistance force motor motor shaft of the present embodiment, coil panel has designed stop tooth, between locating snap ring and motor shaft, adopt that alignment pin is fixing to be welded again, thereby when having solved motor and being subject to axial impact, the displacement of motor associated components and loosening problem;
2, in the bearing chamber of the anti-knock shock resistance force motor of the present embodiment, laid Compress Spring, and bearing can be free to slide, thereby solve the fuel gas shooting nail device axial impact to motor in use, protection internal structure of motor.
3, the back-up ring of the anti-knock shock resistance force motor of the present embodiment and motor shaft loose fit, and on back-up ring, increase locating snap ring, alignment pin, ensure back-up ring and motor magnetite seat and bearing keeping parallelism state, when motor shaft is subject to jerk, the power that back-up ring acts on bearing and motor magnetite seat is that level is uniform, to increase the whole service life of motor.
4, the back-up ring of the anti-knock shock resistance force motor of the present embodiment and magnetite seating face adopt hard chrome plating processing, and be coated with high temperature-resistant grease, avoid causing because of described back-up ring and the described magnetite seat magnetite seat depression in frequent touching, spin friction process etc. the displacement of motor shaft, damage carbon brush for electric machine.
5, in the bearing chamber of the anti-knock shock resistance force motor of the present embodiment, laid Compress Spring, motor is energy Rapid reset after fuel gas shooting nail device nailing, goes out after iron nail the quick starting problem of motor thereby solved fuel gas shooting nail device.Also solved in addition fuel gas shooting nail device and penetrated after iron nail, the waste gas in cavity is discharged and oxygen sucks problem.
6, the commutator afterbody of the anti-knock shock resistance force motor of the present embodiment fills an insulation spacer, then adds a metallic gasket, and metallic gasket and motor shaft are welded together, commutator and motor shaft loose shift while impact to avoid motor shaft to be given a shock.
It should be noted that, although the anti-knock shock resistance force motor in the present embodiment is example for fuel gas shooting nail device, but it will be appreciated by those skilled in the art that this anti-knock shock resistance force motor also can, for other suitable field, be not limited to fuel gas shooting nail device.
Above-described embodiment, just more preferably embodiment several of the utility model, the common variation that those skilled in the art carries out within the scope of technical solutions of the utility model and replacing all should be included in protection range of the present utility model.
Claims (11)
1. an anti-knock shock resistance force motor, is characterized in that: it comprises electric machine casing; Be positioned at the motor magnetite seat of electric machine casing; Motor shaft, through the endoporus of motor magnetite seat; Described motor shaft stretches out in the part of electric machine casing back-up ring, locating snap ring, alignment pin, alignment pin is fixed in the hole on locating snap ring, in the time that motor shaft is subject to axial vibrations impact, locating snap ring is positioned at back-up ring top, moves and promotes back-up ring to touching with motor magnetite seat with motor shaft.
2. anti-knock shock resistance force motor according to claim 1, it is characterized in that: the side that described motor magnetite seat stretches out electric machine casing at motor shaft has bearing chamber, in bearing chamber, be provided with the bearing of supporting motor axle, back-up ring comprises outer ring and is fixed on the inner ring protruding on outer ring and towards bearing direction, the diameter of inner ring is less than the diameter of outer ring, in the time that motor shaft is subject to axial impact, inner ring promotes bearing and slides in bearing chamber, to outer ring and the touching of motor magnetite seat.
3. anti-knock shock resistance force motor according to claim 2, is characterized in that: in described bearing chamber, be also provided with the Compress Spring of spring bearing, when inner ring promotes bearing, bearing promotes compression Compress Spring.
4. according to the anti-knock shock resistance force motor described in any one in claims 1 to 3, it is characterized in that: described locating snap ring includes an alignment pin and runs through this locating snap ring and motor shaft, and is welded on motor shaft, and alignment pin two ends are welded on locating snap ring.
5. anti-knock shock resistance force motor according to claim 4, is characterized in that: described back-up ring and motor magnetite seating face have Hard Chromium Coating, increases the case hardness of back-up ring and magnetite seat, and described Hard Chromium Coating has high temperature-resistant grease layer outward.
6. anti-knock shock resistance force motor according to claim 1, is characterized in that: the minor axis end of described motor shaft is provided with boss and fixes with coil panel, and minor axis end is positioned at electric machine casing.
7. anti-knock shock resistance force motor according to claim 6, is characterized in that, between described boss and coil panel for injection moulding is fixed.
8. according to the anti-knock shock resistance force motor described in claim 6 or 7, it is characterized in that: on described coil panel, be provided with stop tooth.
9. anti-knock shock resistance force motor according to claim 1, is characterized in that: also comprise commutator, carbon brush, described commutator is fixed on the minor axis end of motor shaft, and minor axis end is positioned at electric machine casing; Carbon brush is fixed on brush station by torsion spring and carbon brush fixed axis; Brush station is fixed on electric machine casing; Wherein, commutator bottom is greater than the distance of back-up ring to motor magnetite seat end face to the distance of carbon brush fixed axis.
10. anti-knock shock resistance force motor according to claim 9, is characterized in that: go out axle head at described commutator and add an insulation spacer, then add a metallic gasket, and by welded metal pad on motor shaft tail end.
11. 1 kinds of fuel gas shooting nail devices, is characterized in that: comprise the anti-knock shock resistance force motor described in any one in claim 1 to 10, the motor shaft of described anti-knock shock resistance force motor stretches out on the end of described electric machine casing and is fixed with ventilating fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239028.6U CN204013038U (en) | 2014-05-12 | 2014-05-12 | Anti-knock shock resistance force motor and the fuel gas shooting nail device that comprises this anti-knock shock resistance force motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239028.6U CN204013038U (en) | 2014-05-12 | 2014-05-12 | Anti-knock shock resistance force motor and the fuel gas shooting nail device that comprises this anti-knock shock resistance force motor |
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| Publication Number | Publication Date |
|---|---|
| CN204013038U true CN204013038U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420239028.6U Expired - Fee Related CN204013038U (en) | 2014-05-12 | 2014-05-12 | Anti-knock shock resistance force motor and the fuel gas shooting nail device that comprises this anti-knock shock resistance force motor |
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| CN (1) | CN204013038U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099055A (en) * | 2014-05-12 | 2015-11-25 | 上海燎慧机电科技有限公司 | Shock-resistant impact-resistant motor and gas nail shooter comprising the shock-resistant impact-resistant motor |
| CN107070059A (en) * | 2017-04-20 | 2017-08-18 | 黄河科技学院 | Anti- axial high impact overload motor |
| CN107769482A (en) * | 2017-12-07 | 2018-03-06 | 杭州微光电子股份有限公司 | Rotor anti-disengaging device, external rotor electric machine and its assemble method |
-
2014
- 2014-05-12 CN CN201420239028.6U patent/CN204013038U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105099055A (en) * | 2014-05-12 | 2015-11-25 | 上海燎慧机电科技有限公司 | Shock-resistant impact-resistant motor and gas nail shooter comprising the shock-resistant impact-resistant motor |
| CN107070059A (en) * | 2017-04-20 | 2017-08-18 | 黄河科技学院 | Anti- axial high impact overload motor |
| CN107070059B (en) * | 2017-04-20 | 2023-04-25 | 黄河科技学院 | Axial high impact overload resistant motor |
| CN107769482A (en) * | 2017-12-07 | 2018-03-06 | 杭州微光电子股份有限公司 | Rotor anti-disengaging device, external rotor electric machine and its assemble method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20160512 |
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| CF01 | Termination of patent right due to non-payment of annual fee |