CN201493828U - Switch control mechanism applicable for safety requirements of various function heads for combination electronic tool - Google Patents
Switch control mechanism applicable for safety requirements of various function heads for combination electronic tool Download PDFInfo
- Publication number
- CN201493828U CN201493828U CN2009201921304U CN200920192130U CN201493828U CN 201493828 U CN201493828 U CN 201493828U CN 2009201921304 U CN2009201921304 U CN 2009201921304U CN 200920192130 U CN200920192130 U CN 200920192130U CN 201493828 U CN201493828 U CN 201493828U
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- regulating part
- retaining ring
- flange
- safety requirements
- swing arm
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Abstract
The utility model relates to a switch control mechanism for a combination electronic tool. The aim of the utility model is that the provided mechanism can effectively meet power switching requirements of different function heads and has the characteristics of safe use and convenient operation. The technical scheme of the utility model is that: the switch control mechanism applicable for safety requirements of various function heads comprises a locking ring which is arranged at a tail end of a main body and can rotate, a regulating part which is positioned on the main body and can slide along an axis of the main body, a positive inversion switch acted by the regulating part, and an oscillating rod which is hinged and positioned above a main button; a right end surface of the regulating part is subjected to contact stopping of a stopping surface of the locking ring to be limited; the other end of the regulating part is meshed with a top end of the oscillating rod by a pin; the regulating part is also provided with a positive inversion safety button extending outside a shell; and a bottom end of the oscillating rod is overhung above the main button so that when the oscillating rod is pushed by the regulating part to oscillate, the bottom end of the oscillating rod can be aligned with different positions of the main button so as to make the main body under different working conditions.
Description
Technical field
The utility model relates to a kind of switching control mechanism, especially the switching control mechanism of combination motor instrument.
Background technology
The structure of existing electric tool is that each functional head (as screwdriver, scissors, little electric mill etc.) all disposes motor separately; This kind structural design has caused the wasting of resources; In addition, the cost of kit and sale price increase greatly.For this reason, the inventor has adopted one to have the main body of power source and the mode that a plurality of functional head carries out detachable collocation, to scheme effectively to overcome the existing existing defective of electric tool.Yet each functional head all has different on-off modes; Need and to rotate and reverse as screwdriver and these two functional heads of angular bit; These four functional heads of annular saw, scissors, reciprocating saw and electric mill then allow just to change, and do not allow counter-rotating.Therefore, when main body was installed with different functional heads one by one, the gauge tap on the main body should make the different motion of each functional head require all to be met.Obviously, this is a problem that needs to be resolved hurrily.
The utility model content
The purpose of this utility model is the deficiency that overcomes the above-mentioned background technology, and a kind of switching control mechanism of combination motor instrument is provided, and this mechanism should be able to satisfy the on/off needs of difference in functionality head effectively, and has safe in utilization, convenience operation.
The technical scheme that the utility model proposes is: be suitable for the combination motor tool switch controlling organization of multiple functional head safety requirements, it is characterized in that regulating part, the forward-reverse switch that is subjected to the regulating part effect and the hinged swing arm that is positioned at main button top that this mechanism comprises the rotating retaining ring that is installed in the body right-hand member, is positioned on the body and can slides along body axis; The contact that the right-hand member end face of regulating part is subjected to the retaining ring blocking surface stops and obtains spacingly, and the other end of regulating part meshes by the top of pin and described swing arm, also is shaped on the rotating safety knobs that extends in hull outside on the regulating part; Dangle in main button top in the bottom of swing arm, when swinging so that swing arm is promoted by regulating part, the diverse location of main button can be aimed in the swing arm bottom, and then makes body be in different duties.
Described body right-hand member is shaped on the groove around outer circumference surface, is shaped on corresponding flange on the described retaining ring inner peripheral surface, and this flange embeds described groove rotationally.
Described flange has different transverse widths along circumferencial direction, the right flank of flange is parallel with the right-hand member edge of retaining ring, make the left surface of flange as the blocking surface that contact obstruction with regulating part, have different distances between the left end edge of each position of its circumferencial direction and retaining ring.
Described forward-reverse switch comprises that positive turn-off closes and reversal switch, is exerted pressure by the regulating part of side-to-side movement and carries out the switch switching.
Operation principle of the present utility model is: this controlling organization can be made the forward and backward state and only need just change the selection of two kinds of functions, screws retaining ring or oppositely screws retaining ring by forward and realize.When forward screws retaining ring, satisfy the requirement that only needs positive rotating function; And when oppositely screwing retaining ring, satisfy the requirement of forward and backward function; And rotating safety knobs (19) realizes rotating selection function and anti-self-locking action.
Under the regular situation, regulating part 12 mediates under the active force of auxiliary spring 13, and this moment, the bottom of swing arm 2 mediated; Since the strong point 3-1 of main button 3 upper ends just in time with the bottom Xiang Ding of swing arm 2, so main button 3 is in locking state and can't opens.
When the forward and backward state; Retaining ring 5 oppositely screwed and was in the forward and backward locked position (retaining ring 5 is in the position among Fig. 8 this moment; The narrowest place of flange 5-1 is spaced a distance and aims at the right-hand member of regulating part 12 at this moment, and regulating part can move to left and move to right); 1) operator stirs the rotating safety knobs 12-1 that regulates regulating part left, and the positive turn-off that the rotating safety knobs is promptly opened on the forward-reverse switch (installing in the circuit board) closes 18, realizes the preliminary election of just changeing; The lower end 12-2 of regulating part drives swing arm 2 rotations simultaneously, make the lower loop of swing arm 2 swing an angle (the swing arm position as shown in Figure 9) to the right around its swivel pin 2-1, make the lower end 12-2 of regulating part leave the strong point 3-1 of the main button 3 of original constraint, main button 3 can rotate around bearing pin 3-3 clockwise at the following active force that overcomes main spring 3-2 of operator's operation, the motor forward rotation of promptly switching on is locked in the lower end of swing arm 2 right side (as shown in Figure 9) of strong point 3-1 simultaneously.When 2) operator stirs the rotating safety knobs 12-1 that regulates regulating part 12 to the right; The rotating safety knobs is promptly opened the reversal switch 17 on the forward-reverse switch, the all motions in the other direction of regulating part 12, swing arm 2, make the lower loop of swing arm 2 swing an angle left around its swivel pin 2-1, main button 3 can overcome main spring 3-2 under operator's effect active force rotates around bearing pin 3-3 counterclockwise, the motor backward rotation of promptly switching on is locked in the lower end of swing arm 2 left side (as shown in Figure 7) of strong point 3-1 simultaneously.
When just changeing state; 1) retaining ring 5 forwards screwed and were in the tight position of positive twist lock (retaining ring 5 is in the position among Fig. 9 this moment; This moment, the widest part of flange contacted with the right-hand member of regulating part, made regulating part to move to right); The operator can only stir the rotating safety knobs 12-1 that regulates regulating part 12 left, the rotating safety knobs drives the forward-reverse switch of installing in the circuit board, the lower end 12-2 of regulating part drives swing arm 2 rotations simultaneously, make swing arm 2 swing an angle (the swing arm position as shown in Figure 9) to the right around its swivel pin 2-1, main button 3 can overcome main spring 3-2 under operator's effect active force rotates around pin 3-3 counterclockwise, the motor forward rotation of promptly switching on is locked in the lower end of swing arm 2 right side of strong point 3-1 simultaneously.
After unclamping main button 3, main spring 3-2 replys, and main button 3 outwards unclamps, and swing arm 2 is returned to interposition under the effect of the restoring force of auxiliary spring 13, and strong point 3-1 withstands main button 3 once more; The safety knobs of rotating simultaneously 12-1 also resets to interposition.
The beneficial effects of the utility model are: just change and the switching control mechanism of forward and backward two states owing to be provided with to have, the on/off needs of difference in functionality head have been satisfied effectively, adapted to multiple functional head safety requirements, thereby realized that successfully one has the main body of power source and the detachable collocation mode of a plurality of functional heads.This mechanism also has safe in utilization, convenience operation in addition.
Description of drawings
Fig. 1 is body in the combination motor instrument and the functional head structural representation in released state.
Fig. 2 is the retaining ring among Fig. 1 and the structural representation of body released state.
Fig. 3 is that the A-A of the body end face among Fig. 1 is to structural representation.
Fig. 4 is that the B-B of the functional head end face among Fig. 1 is to structural representation.
Fig. 5 is the retaining ring among Fig. 1 and the connection status schematic diagram of functional head end face.
Fig. 6 is the retaining ring among Fig. 1 and the released state schematic diagram of functional head end face.
Each position component schematic diagram when Fig. 7 is the motor counter-rotating of this mechanism, main button released state.
Each position component schematic diagram when but Fig. 8 is the motor rotating of this mechanism, main button locking state.
Fig. 9 is that the motor of this mechanism just changes, each position component schematic diagram during main button released state.
The specific embodiment
As shown in the figure, this combination tool is changed functional head mechanism fast, comprise body 1 that motor 11 is installed and several function 6, each functional head is installed with the single instrument (all give omission among the figure, only show the connecting portion of each functional head) such as screwdriver, scissors, little electric mill; Battery 16 (normally lithium battery) also is installed on the body 1.
Improvement of the present utility model is: original each electric tool is divided into two, and specifically separately the position is between motor output shaft and instrument power shaft, and a shaft coupling is set motor output shaft is connected with the instrument power shaft with the realization transmission of power; Like this, like this,, just can drive each supporting instrument respectively only with a motor; Electrical installation in the electric tool is still constant, and the instrument fixed form in each functional head is still identical with instrument fixed form in the existing electric tool.In addition, the housing of the object of described body and each functional head is carved by one and is closed structure and realize being connected.
Described carving closed structure and is: be shaped on the end face of described each functional head 6 toward the body end face direction outstanding cantilever-shaped crotch 8 that overhangs; The end face of described body is being located can be around retaining ring 5 that body axis is rotated (the flange 5-1 on the retaining ring inner peripheral surface embeds and is positioned among the groove 1-1 on the body 1 right-hand member periphery, so retaining ring can only be rotated around its axis); Be shaped on the retaining ring at least two match with described crotch collude sheet 5-4; So that body when joining one by one with the end face of each functional head described cantilever-shaped crotch 8 can insert described inboard of colluding sheet 5-4 (colluding simultaneously in the groove 7 that sheet 5-4 inserts crotch 8 back) and carve to close and be connected (shown in Figure 5).
The described structure that patches is: the end face central authorities of described body have a motor 11 output shafts to overhang, and the axle head of motor output shaft is equipped with the shaft coupling 10 of plug-in type shaft coupling, and the periphery of shaft coupling is shaped on spline; There is a functional head power shaft in the end face central authorities of described each functional head, and the power shaft axle head is equipped with the shaft coupling head 9 of plug-in type shaft coupling, are shaped on the spline that matches with described spline on the outer circumference surface of shaft coupling head.
In this switching control mechanism, flange 5-1 on the retaining ring inner peripheral surface has different width along the different parts of circumferencial direction, the right flank 5-3 of flange is parallel with the right-hand member edge 5-5 of retaining ring, make the left surface of flange as the blocking surface that contacts with the regulating part right-hand member, its each position has different distance (different parts of left surface that is flange 5-1 is different with the distance of retaining ring left margin 5-2) apart from the left end edge of retaining ring; Regulating part 12 is positioned in the chute on the body and can slides along body axis, and one end (right-hand member) is aimed at the left surface (blocking surface) of described flange 5-1; Thereby when retaining ring turns an angle, regulating part 12 distance of sliding just change (regulating part 12 among Fig. 7 turn right the distance of sliding obviously be greater than the distance that the regulating part among Fig. 9 is turned right and slided) of can turning right.Swing arm 2 is stirred the notch that pin 12-3 embeds swing arm 2 upper ends for one on the regulating part by the hinged main button top that is positioned at of bearing pin 2-1, and the bottom of swing arm 2 is done and the reciprocal motion of regulating part when making the regulating part motion; One wiring board also is set in the body, and the forward-reverse switch on the wiring board comprises positive turn-off pass 18 and reversal switch 17, is exerted pressure by the regulating part 12 of side-to-side movement and carries out the switch switching, realizes the control of just changeing, reversing and shut down to motor.
Also be shaped on the rotating safety knobs 12-1 that extends in hull outside on the regulating part 12; Dangle in main button top in the bottom of swing arm, when swinging so that swing arm is promoted by regulating part, the diverse location of main button can be aimed in the swing arm bottom, and then makes body be in different duties.
Claims (4)
1. be suitable for the combination motor tool switch controlling organization of multiple functional head safety requirements, it is characterized in that regulating part (12), the forward-reverse switch that is subjected to the regulating part effect and the hinged swing arm (2) that is positioned at main button top that this mechanism comprises the rotating retaining ring (5) that is installed in body (1) right-hand member, is positioned on the body and can slides along body axis; The right-hand member end face of regulating part is subjected to the contact obstruction of retaining ring (5) blocking surface and obtains spacing, the other end of regulating part also is shaped on the rotating safety knobs (12-1) that extends in hull outside by the top engagement of pin (12-3) with described swing arm on the regulating part; Dangle in main button (3) top in the bottom of swing arm.
2. the combination motor tool switch controlling organization that is suitable for multiple functional head safety requirements according to claim 1, it is characterized in that described body (1) right-hand member is shaped on the groove (1-1) around outer circumference surface, be shaped on corresponding flange (5-1) on the described retaining ring inner peripheral surface, this flange embeds described groove rotationally.
3. the combination motor tool switch controlling organization that is suitable for multiple functional head safety requirements according to claim 2, it is characterized in that described flange (5-1) has different transverse widths along circumferencial direction, the right flank of flange is parallel with the right-hand member edge of retaining ring, make the left surface of flange as the blocking surface that contact obstruction with regulating part, the left end edge 5-2 of each position of its circumferencial direction and retaining ring) between have different distances.
4. the combination motor tool switch controlling organization that is suitable for multiple functional head safety requirements according to claim 3, it is characterized in that described forward-reverse switch comprises that positive turn-off closes (18) and reversal switch (17), exert pressure by the regulating part (12) of side-to-side movement and carry out the switch switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201921304U CN201493828U (en) | 2009-08-31 | 2009-08-31 | Switch control mechanism applicable for safety requirements of various function heads for combination electronic tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201921304U CN201493828U (en) | 2009-08-31 | 2009-08-31 | Switch control mechanism applicable for safety requirements of various function heads for combination electronic tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201493828U true CN201493828U (en) | 2010-06-02 |
Family
ID=42437036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201921304U Expired - Fee Related CN201493828U (en) | 2009-08-31 | 2009-08-31 | Switch control mechanism applicable for safety requirements of various function heads for combination electronic tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201493828U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170954A (en) * | 2011-12-23 | 2013-06-26 | 罗伯特·博世有限公司 | Machine tool |
| CN110769982A (en) * | 2017-06-22 | 2020-02-07 | 罗伯特·博世有限公司 | Tool basic module |
-
2009
- 2009-08-31 CN CN2009201921304U patent/CN201493828U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170954A (en) * | 2011-12-23 | 2013-06-26 | 罗伯特·博世有限公司 | Machine tool |
| CN103170954B (en) * | 2011-12-23 | 2017-01-18 | 罗伯特·博世有限公司 | Machine tool |
| CN110769982A (en) * | 2017-06-22 | 2020-02-07 | 罗伯特·博世有限公司 | Tool basic module |
| US11772246B2 (en) | 2017-06-22 | 2023-10-03 | Robert Bosch Gmbh | Tool basic module |
| CN110769982B (en) * | 2017-06-22 | 2023-12-22 | 罗伯特·博世有限公司 | Tool base module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120831 |