CN209641536U - A kind of dust-proof exchange plate machine speed regulation switch of extra small figure - Google Patents
A kind of dust-proof exchange plate machine speed regulation switch of extra small figure Download PDFInfo
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- CN209641536U CN209641536U CN201920483843.XU CN201920483843U CN209641536U CN 209641536 U CN209641536 U CN 209641536U CN 201920483843 U CN201920483843 U CN 201920483843U CN 209641536 U CN209641536 U CN 209641536U
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Abstract
A kind of dust-proof exchange plate machine speed regulation switch of extra small figure provided by the utility model, including base body, upper cover, push shaft, acting arm A, acting arm B, acting arm bracket, reset spring, trigger and tegillum, push shaft is contacted with acting arm A, acting arm A is connect with tegillum, one end of acting arm bracket is connected with acting arm A, the other end is connect with acting arm B, and elastic slice A is equipped between acting arm A and acting arm bracket, and elastic slice B is equipped between acting arm B and acting arm bracket；Base body is equipped with static contact and zero curve binding post；The side of push shaft is equipped with wiring board, and speed regulation reed and contact spring are equipped between wiring board and push shaft.The utility model can make electric tool handle be designed more tiny, be easy to grasp and be not easy to slip out of the hand；Structure novel, figure is small and exquisite, and cost and common speed-regulating switch are close, and working service is repaired simply, can be widely used for the Power Tools Industries such as electric drill, electric impact drill, electric hammer and sweep-saw.
Description
Technical field
The utility model relates to a kind of a kind of speed regulation of the dust-proof exchange trigger of trigger more particularly to extra small figure to open
It closes.
Background technique
Currently on the market to commonly use exchange plate machine speed regulation switch function substantially similar, but have following functions defect:
1, it is larger to commonly use exchange plate machine speed regulation switch figure, especially depth is even more to cause electric tool up to 29 millimeters
Handle can only be designed relatively thick, since Asian palm is generally less than normal, so that manpower grasps electric tool fatiguability, work as high-altitude
It when operation, since handle more slightly will cause the easy fatigue of manpower and unclamps and electric tool is caused to fall from high altitude, dangerous is not inconsistent
Close national safety standard.
2, it is poor to commonly use exchange plate machine speed regulation switch anti-dust performance, causes the electric tool service life by the shadow of dustproof switch function
It rings, when there is dust to be included in switch internal, easily causes internal short-circuit, fire can be caused when serious, dangerous does not meet country
Safety standard.
3, exchange plate machine speed regulation switch Commutating box part is commonly used to be assembled using traditional handicraft, so that shape is larger, it is deep
The minimum dimension of degree reaches 28 millimeters, and such size also limits electric tool handle size can not be very thin.
For this purpose, the dust-proof exchange plate machine speed regulation switch for designing a kind of extra small figure is imperative.
Utility model content
The purpose of this utility model is that avoiding above-mentioned deficiency, the dust-proof exchange trigger speed regulation for providing a kind of extra small figure is opened
It closes.
A kind of dust-proof exchange plate machine speed regulation switch of extra small figure provided by the utility model, technical solution are as follows:
A kind of dust-proof exchange plate machine speed regulation switch of extra small figure, which is characterized in that including base body, upper cover, push shaft, move
Contact arm A, acting arm B, acting arm bracket, reset spring, trigger and tegillum, the push shaft are contacted with the acting arm A, described dynamic
Contact arm A is connect with tegillum, and one end of the acting arm bracket is connected with acting arm A, and the other end is connect with acting arm B, described dynamic
It is provided with elastic slice A between contact arm A and acting arm bracket, elastic slice B is provided between acting arm B and acting arm bracket；The pedestal
Static contact and zero curve binding post are provided on body；The side of the push shaft is provided with wiring board, between the wiring board and push shaft
It is provided with speed regulation reed and contact spring, is provided on the wiring board silicon-controlled；Commutating box is provided on the switch.
A kind of dust-proof exchange plate machine speed regulation switch of extra small figure provided by the utility model further includes following attached technology
Scheme:
Wherein, the trigger further includes locking mechanism, and the locking mechanism includes lock shaft, locking bar, cage knob and sets
The cage knob spring on lock shaft is set, the lock shaft and cage knob are installed together.Wherein, the bottom of the push shaft is provided with wedge shape
Block, one end of the acting arm A are provided with bending, and the wedge block is contacted with the bending.
Wherein, sealing ring is provided between the trigger and the base body, the sealing ring is mounted on the push shaft.
Wherein, it is provided with surrounding boss on the upper lid, surrounding groove, the surrounding boss is provided on the base body
Labyrinth structure is formed with surrounding groove；Oil layer is coated in the surrounding groove.
The implementation of the utility model includes following technical effect:
1, the utility model is the dust-proof exchange plate machine speed regulation switch of extra small figure, electric tool handle can be made to be designed more
Refinement is small, is easy to grasp and be not easy to slip out of the hand.
2, the utility model structure novel, figure is small and exquisite, and cost and common speed-regulating switch are close, and working service repairs letter
Easily, the Power Tools Industries such as electric drill, electric impact drill, electric hammer and sweep-saw be can be widely used for.
Detailed description of the invention
Fig. 1 is the perspective view of the dust-proof exchange plate machine speed regulation switch of the extra small figure of the utility model.
Fig. 2 is the sectional view of the dust-proof exchange plate machine speed regulation switch of the extra small figure of the utility model.
Fig. 3 is the explosive view of the dust-proof exchange plate machine speed regulation switch of the extra small figure of the utility model.
In figure, 1- base body, 2- upper cover, 3- push shaft, 4- acting arm bracket, 5A- acting arm A, 5B- acting arm B, 6- reset
Spring, 7- trigger, 8- tegillum, 9A- elastic slice A, 9B- elastic slice B, 10- static contact, 11- zero curve binding post, 12- wiring board, 13- tune
Fast reed, 14- contact spring, 15- is silicon-controlled, 16- locking bar, 17- lock shaft, 18- cage knob, 19- cage knob spring, 20- sealing ring,
21- spring fixed column, 22- lock pillar, 23- Commutating box, 31- wedge block, 51- bending, 161- mounting hole, 162- rectangular opening, 101-
Surrounding groove, 201- surrounding boss.
Specific embodiment
The utility model is described in detail below in conjunction with embodiment and attached drawing, it should be pointed out that described
Embodiment be intended merely to facilitate the understanding to the utility model, and do not play any restriction effect to it.Side described herein
Position is for example to compare the convenience of attached drawing description and use up and down, does not constitute the restriction to protection scope.
As shown in Figure 1-3, a kind of dust-proof exchange plate machine speed regulation switch of extra small figure provided by the utility model, including base
Pedestal 1, upper cover 2, push shaft 3, acting arm A5A, acting arm B5B, acting arm bracket 4, reset spring 6, trigger 7 and tegillum 8, it is described
Push shaft 3 is contacted with acting arm A5A, and the acting arm A5A is connect with tegillum 8, one end of the acting arm bracket 4 and acting arm
A5A connection, the other end are connect with acting arm B5B, are provided with elastic slice 9A between the acting arm A5A and acting arm bracket 4, are moved
Elastic slice 9B is provided between contact arm B5B and acting arm bracket 4；Static contact 10 and zero curve binding post are provided on the base body 1
11；The side of the push shaft 3 is provided with wiring board 12, and speed regulation reed 13 is provided between the wiring board 12 and push shaft 3 and is connect
Reed 14 is touched, is provided with silicon-controlled 15 on the wiring board 12；The reset spring 6 is fixed on spring fixed column 21.This reality
With it is novel be an extra small figure dust-proof exchange plate machine speed regulation switch, electric tool handle can be made to be designed more tiny, be easy to
It grasps and is not easy to slip out of the hand；Structure novel, figure is small and exquisite, and cost and common speed-regulating switch are close, and working service is repaired simply, can
It is widely used in the Power Tools Industries such as electric drill, electric impact drill, electric hammer and sweep-saw.
The utility model replaces commonly using the extension spring structure of plate machine speed regulation switch by using two panels stainless steel elastic slice, and two panels is not
Rust steel bomb piece is adjacent to acting arm bracket, acting arm A respectively, between acting arm B, saves installation space, so that the depth of switch
Nearly 9 millimeters are reduced than commonly using exchange plate machine speed regulation switch.In addition, being switched attached due to the Commutating box 23 for devising extra small figure
After adding Commutating box, depth does not also change.
As shown in figure 3, the trigger further includes locking mechanism, the locking mechanism includes lock shaft 16, locking bar 17, lock
Button 18, lock pillar 22 and the cage knob spring 19 being arranged on locking bar 17, the lock shaft 16 are mounted on the push shaft 3.
Preferably, as shown in figure 3, the setting of the base body 1 is equipped with lock pillar 22, lock pillar 22 is equipped with mounting hole, the lock shaft
16, which are mounted on the lock pillar 22 by the mounting hole, is installed to again on base body 1.
It is provided with mounting head on the locking bar 16, mounting hole 161 is provided in the mounting head, the locking bar 16 passes through
The mounting hole 161 is mounted on the push shaft 3.
It is highly preferred that the lock shaft 17 passes through described ellipse as shown in figure 3, being provided with elliptical aperture 162 on the locking bar 16
Circular hole 162 is contacted with the locking bar 16.
As Figure 2-3, the bottom of the push shaft 3 is provided with wedge block 31, and one end of the acting arm A5A is provided with curved
Folding 51, the wedge block 31 are contacted with the bending 51.
Preferably, as shown in figure 3, being provided with sealing ring 20 between the trigger 7 and the base body 1, the sealing ring
20 are mounted on the push shaft 3.
Preferably, it is recessed that surrounding is provided with as shown in figure 3, being provided with surrounding boss 201 in the upper cover 2, on the pedestal 1
Slot 101, the surrounding boss 201 and surrounding groove 101 form labyrinth structure；Oil layer is coated in the surrounding groove 101.
Surrounding boss 201 in the present embodiment in the surrounding groove 101 of base body 1 after smearing grease with upper cover 2 combines closely to form fan
The labyrinth structure of palace structure, two sides makes dust be difficult to enter switch internal, realizes the dust reduction capability of switch.
A kind of dust-proof exchange plate machine speed regulation switch of extra small figure provided by the utility model, the course of work are as follows:
When pressing trigger squeeze 7, wedge block of the push shaft 3 as trigger 7 is to the Slideslip from left to right of base body 1, on push shaft 3
31 leave acting arm A5A, are limited it not, and acting arm A5A is rotated under the action of elastic slice 9A, thus with zero curve binding post 11
Contact, then input voltage is passed to acting arm A5A from zero curve binding post 11, then is passed to acting arm bracket 4, and acting arm bracket 4
It is contacted by contact spring 14 and wiring board 12, then has input voltage on wiring board 12, and adjust the speed reed 13 in push shaft 3
Drive under assist side 12 carbon film on Slideslip from left to right, resistance from large to small so that the output voltage of switch is gradually
It increases, realizes the speed regulation boost function of switch.Continue by trigger squeeze 7 on earth, push shaft 3 leaves acting arm B5B, acting arm B5B
Rotation and static contact 10 contact under the action of another elastic slice 9B, and two kicks on static contact 10 are and wiring board 12
Weld together, at this moment the directly incoming static contact 10 of the voltage on wiring board 12, switch realizes the full voltage output of switch.
When unclamping trigger 7, right-to-left Slideslip under the action of reset spring of push shaft 3, push shaft 3 first pushes down acting arm
B5B separates acting arm B5B and static contact 10, and electric current is flowed through from wiring board 12 again, and at this moment switch enters speed regulation state, adjusts
Right-to-left Slideslip, resistance change from small to big fast reed 13 on the carbon film of assist side 12 under the drive of push shaft 3, so that switch
Output voltage gradually reduce, realize the speed regulation buck functionality of switch.Continue to unclamp trigger 7, the wedge block 31 on push shaft 3 is pressed
Live in acting arm A5A separates itself and zero curve binding post 11, and then without input voltage on wiring board 12, switch is disconnected, and realizes
The break function of switch.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is general
Lead to it will be appreciated by the skilled person that can be with the technical solution of the present invention is modified or equivalently replaced, without departing from this
The spirit and scope of utility model technical solution.
Claims (8)
1. a kind of dust-proof exchange plate machine speed regulation switch of extra small figure, which is characterized in that including base body, upper cover, push shaft, dynamic touching
Arm A, acting arm B, acting arm bracket, reset spring, trigger and tegillum, the push shaft are contacted with acting arm A, the acting arm A
It is connect with tegillum, one end of the acting arm bracket is connected with acting arm A, and the other end is connect with acting arm B, the acting arm A
It is equipped with elastic slice A between acting arm bracket, elastic slice B is equipped between acting arm B and acting arm bracket；It is provided on the base body
Static contact and zero curve binding post；The side of the push shaft is provided with wiring board, and speed regulation is provided between the wiring board and push shaft
Reed and contact spring.
2. a kind of dust-proof exchange plate machine speed regulation switch of extra small figure according to claim 1, it is characterised in that: described to pull
Machine speed-regulating switch further includes locking mechanism, and the locking mechanism includes lock shaft, locking bar, cage knob, lock pillar and is arranged on lock shaft
Cage knob spring, the lock shaft and cage knob are installed together.
3. a kind of dust-proof exchange plate machine speed regulation switch of extra small figure according to claim 2, it is characterised in that: the base
Pedestal setting is equipped with lock pillar, and lock pillar is equipped with mounting hole, and the lock shaft is mounted on the lock pillar by the mounting hole and is installed to again
On base body.
4. a kind of dust-proof exchange plate machine speed regulation switch of extra small figure according to claim 3, it is characterised in that: the lock
Mounting hole is provided on bar, the locking bar passes through the mounting hole and contacts with the push shaft.
5. a kind of dust-proof exchange plate machine speed regulation switch of extra small figure according to claim 1-4, feature exist
: the bottom of the push shaft is provided with wedge block, one end of the acting arm A is provided with bending, the wedge block with it is described curved
Folding contact.
6. a kind of dust-proof exchange plate machine speed regulation switch of extra small figure according to claim 1, it is characterised in that: described to pull
Sealing ring is provided between machine and the base body, the sealing ring is mounted on the push shaft.
7. a kind of dust-proof exchange plate machine speed regulation switch of extra small figure according to claim 1, it is characterised in that: on described
It covers and is provided with surrounding boss, surrounding groove is provided on the base body, the surrounding boss and surrounding groove form labyrinth
Structure；Oil layer is coated in the surrounding groove.
8. -4, a kind of described in any item dust-proof exchange plate machine speed regulation switchs of extra small figure of 6-7 according to claim 1, special
Sign is: the wiring board is equipped with silicon-controlled；Commutating box is additionally provided on the plate machine speed regulation switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920483843.XU CN209641536U (en) | 2019-04-11 | 2019-04-11 | A kind of dust-proof exchange plate machine speed regulation switch of extra small figure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920483843.XU CN209641536U (en) | 2019-04-11 | 2019-04-11 | A kind of dust-proof exchange plate machine speed regulation switch of extra small figure |
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| Publication Number | Publication Date |
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| CN209641536U true CN209641536U (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920483843.XU Active CN209641536U (en) | 2019-04-11 | 2019-04-11 | A kind of dust-proof exchange plate machine speed regulation switch of extra small figure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110060893A (en) * | 2019-04-11 | 2019-07-26 | 浙江佳奔电子有限公司 | A kind of dust-proof exchange plate machine speed regulation switch of extra small figure |
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2019
- 2019-04-11 CN CN201920483843.XU patent/CN209641536U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110060893A (en) * | 2019-04-11 | 2019-07-26 | 浙江佳奔电子有限公司 | A kind of dust-proof exchange plate machine speed regulation switch of extra small figure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| CP02 | Change in the address of a patent holder |
Address after: 325608 Longze village and Nanyang Village, Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: ZHEJIANG JIABEN ELECTRONICS Co.,Ltd. Address before: 325609 Tiancheng Industrial Zone, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: ZHEJIANG JIABEN ELECTRONICS Co.,Ltd. |