CN215660085U - Electric tool - Google Patents
Electric tool Download PDFInfo
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- CN215660085U CN215660085U CN202121778889.8U CN202121778889U CN215660085U CN 215660085 U CN215660085 U CN 215660085U CN 202121778889 U CN202121778889 U CN 202121778889U CN 215660085 U CN215660085 U CN 215660085U
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- switch
- circuit board
- power tool
- housing
- driving
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Abstract
The utility model relates to an electric tool, and belongs to the technical field of electric tools. It includes: a housing; the working head is connected with the shell; the driving mechanism is butted with the working head to drive the working head to work; the switch control mechanism is used for opening and closing the driving mechanism; the switch control mechanism comprises a switch assembly and a power supply control assembly connected with the switch assembly, the power supply control assembly comprises a battery pack and a circuit board integrated with the battery pack, and the switch assembly comprises a switch piece arranged on the circuit board and a driving piece used for driving the switch piece to open and close. The circuit board and the battery pack are integrated, so that the overall wiring mode of the electric tool can be simplified; meanwhile, the switch piece is directly connected with the circuit board, so that the connection mode of the switch piece is simplified, a signal transmission path between the switch piece and the circuit board is also simplified, the operation is more convenient and faster, and the operation safety is improved.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an electric tool, and belongs to the technical field of electric tools.
[ background of the utility model ]
The switch of the electric tool in the prior art is generally independently arranged and then electrically connected with the circuit board, and the advantage of independent arrangement is that the switch trigger is convenient to control the switch, but the whole circuit of the electric tool is increased, and the transmission path of the whole signal of the electric tool is more complicated. Meanwhile, if the transmission signal between the switch and the circuit board has an error, the electric tool is out of control, and safety accidents are easy to happen
Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.
[ Utility model ] content
The utility model provides an electric tool, which can simplify the connection mode of a switch and a signal transmission path of the electric tool so as to improve the operation safety.
The purpose of the utility model is realized by the following technical scheme: a power tool, comprising:
a housing;
the working head is connected with the shell;
the driving mechanism is butted with the working head to drive the working head to work;
the switch control mechanism is used for opening and closing the driving mechanism;
the switch control mechanism comprises a switch component and a power supply control component connected with the switch component, and the power supply control component is electrically connected with the driving mechanism;
the power control assembly comprises a battery pack and a circuit board integrated with the battery pack, and the switch assembly comprises a switch piece arranged on the circuit board and a driving piece used for driving the switch piece to be opened and closed.
In one embodiment, the driving member includes a switch trigger movable relative to the housing, and a link connected to the switch trigger and driven by the switch trigger to open and close the switch member, wherein the link is a lever structure having a rotation center.
In one embodiment, the direction of movement of the switch member and the direction in which the links are arranged tend to be perpendicular.
In one embodiment, the power tool further comprises a first elastic member for connecting the switch trigger and the housing.
In one embodiment, a main loop module for controlling the driving mechanism is arranged on the circuit board, and the switch part is an on-off switch for controlling the on-off of the main loop module.
In one embodiment, the switch assembly further comprises a switch reversing knob connected with the switch member and used for locking or separating with the connecting rod, the switch reversing knob is in signal connection with the main loop module, and the main loop module controls the rotation direction of the driving mechanism according to the direction of the switch reversing knob.
In one embodiment, the power tool further comprises a second elastic member for connecting the switch member and the housing.
In one embodiment, the power control assembly is removably coupled to the housing.
In one embodiment, the power control assembly is provided with a protrusion, and the casing is provided with a groove clamped with the protrusion.
In one embodiment, the power control assembly further comprises a third elastic member coupled to the protrusion.
Compared with the prior art, the utility model has the following beneficial effects: the circuit board and the battery pack are integrated, so that the overall wiring mode of the electric tool can be simplified; meanwhile, the switch piece is directly connected with the circuit board, so that the connection mode of the switch piece is simplified, a signal transmission path between the switch piece and the circuit board is also simplified, the operation is more convenient and faster, and the operation safety is improved.
[ description of the drawings ]
Fig. 1 is a schematic view of the structure of the power tool of the present invention.
Fig. 2 is another schematic structural view of the power tool of the present invention.
[ detailed description ] embodiments
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "comprising" and "having," as well as any variations thereof, in the present invention are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1 to 2, the power tool 100 in a preferred embodiment of the utility model may be a hammer, a drill, an angle grinder, a table saw, etc., and is not particularly limited thereto, depending on the actual situation. Specifically, the electric tool 100 includes a casing 1, a working head 2 connected to the casing 1, a driving mechanism 3 in butt joint with the working head 2 to drive the working head 2 to work, and an on-off control mechanism 4 for turning on and off the driving mechanism 3, in this embodiment, the driving mechanism 3 is a motor 3, the working head 2 may be a drill connected to an output shaft of the motor 3 according to actual requirements, or may be a hammer connected to the output shaft of the motor 3 through a transmission assembly, and the like, which is not specifically limited herein and is determined according to actual conditions. When the working head 2 is a hammering head, the transmission component is an air cylinder.
The switch control mechanism 4 includes a switch assembly 41 and a power control assembly 42 connected to the switch assembly 41, and the driving mechanism 3 is electrically connected to the power control assembly 42. The electrical connection is conventional, for example, through a wire, or through an electrical contact, which is not described herein. In this embodiment, the power control unit 42 is detachably connected to the housing 1. The purpose of this is to: charging of the power control assembly 42 is facilitated. The power control assembly 42 includes a battery pack 422 and a circuit board 421 integrated with the battery pack 422. The circuit board 421 is located above the battery pack 422 in the height direction of the power tool 100. With battery package 422 and circuit board 421 integrated setting, avoided the electric wire wiring in the casing 1 many for electric tool 100 overall structure is compacter, improves whole pleasing to the eye degree. Meanwhile, the reduction of the electric wires can also reduce a series of problems such as aging and disconnection of the electric wires. Be the aforesaid, circuit board 421 and battery package 422 can wholly be dismantled, when the convenience charges battery package 422, also can maintain circuit board 421, convenient and fast more.
In order to realize the quick detachment of the power control assembly 42 from the housing 1, in the embodiment, the power control assembly 42 is provided with a protrusion 424, and the housing 1 is provided with a groove 11 engaged with the protrusion 424. In order to enable the protrusion 424 to be separated from and held by the groove 11, the power control assembly 42 further includes a third elastic member 423 coupled to the protrusion 424. The protrusion 424 can be held with the groove 11 by the third elastic member 423, and when the protrusion 424 needs to be separated from the groove 11, the protrusion 424 is pressed to compress the third elastic member 423, so that the protrusion 424 moves downward to be separated from the groove 11, and the detachment is achieved. When the protrusion 424 is completely separated from the groove 11, the third elastic member 423 is restored.
The switch assembly 41 includes a switch 411 disposed on the circuit board 421 and a driving member for driving the switch 411 to open and close. In this embodiment, a main circuit module for controlling the on/off of the motor 3 is disposed on the circuit board 421, and the switch 411 is an on/off switch for controlling the on/off of the main circuit module. The on/off switch 411 may be a main circuit switch or a signal switch, and is not particularly limited herein, depending on the actual situation. The purpose of this is to: the motor 3 can be directly switched off to avoid injuries to the user.
The driving member includes a switch trigger 412 movable relative to the housing 1, a link 413 connected to the switch trigger 412 and driving the switch member 411 to open and close under the driving of the switch trigger 412, and a first elastic member 415 connecting the switch trigger 412 and the housing 1. After the external force is applied to the switch trigger 412 to make it move, the connecting rod 413 is driven to move and abuts against the switch piece 411 to drive the switch piece 411 to start, when the external force is removed, the switch trigger 412 is reset under the action of the first elastic piece 415 and drives the connecting rod 413 to move, so that the connecting rod 413 is separated from the switch piece 411. In the present embodiment, the direction of movement of the switch trigger 412 tends to be perpendicular to the direction in which the link 413 is disposed. The range tending to vertical is: the angle between the direction of movement of the switch trigger 412 and the direction in which the link 413 is disposed is less than 10 ° so that movement of the switch trigger 412 causes movement of the link 413.
The connecting rod 413 includes a first rod 417 connected to the switch 411 and a second rod 418 rotatably connected to the first rod 417, and a rotation range of the first rod 417 and the second rod 418 is greater than 0 ° and less than 30 °. In this embodiment, the rotation range of the first rod 417 and the second rod 418 is 10 °, and when the rotation range is 10 °, the second rod 418 cannot move relative to the first rod 417, so that the first rod 417 and the second rod 418 are kept fixed relatively, and the switch element 411 is driven. That is, in the present embodiment, the link 413 has a lever structure having a rotation center. The first rod 417 and the second rod 418 can not move continuously after rotating to a certain angle, and the stop member can be arranged. If the first rod 417 is provided with a stop member, the second rod 418 cannot move forward under the action of the stop member when moving to the stop member. The stop member may be a torsion spring, etc., and the implementation means is a conventional manner, which is not described herein. The first rod 417 and the second rod 418 can rotate to adjust the moving range of the link 413, so as to control the opening and closing of the switch 411.
The switch assembly 41 further includes a switch reversing knob 414 connected to the switch element 411 and used for being locked or separated from the connecting rod 413, wherein the switch reversing knob 414 is clamped to the connecting rod 413 in a locking manner, that is, a groove is formed in the switch reversing knob 414, and the connecting rod 413 moves under the action of the switch reversing knob 414 until being clamped to the groove and driving the switch reversing knob 414 to rotate. Indeed, in other embodiments, the locking manner of the switch reversing button 414 and the connecting rod 413 may be other, and is not limited herein, depending on the actual situation. In this embodiment, the switching direction change knob 414 is provided at one side of the switching member 414.
The switch reversing button 414 is in signal connection with a main circuit module, and the main circuit module controls the rotation direction of the driving mechanism 3 according to the direction of the switch reversing button 414. Correspondingly, the electric tool 100 further includes a magnet disposed on the switch reversing knob 414 and a hall switch disposed on the housing 1 and sensing with the magnet, the hall switch being in signal connection with the circuit board 421. The hall switch cooperates with the magnet to sense the direction of rotation of the switch reversing knob 414, etc.
As mentioned above, the hall switch is in signal connection with the circuit board 421, specifically, in signal connection with the main loop module. The main loop module controls the motor 3 to rotate according to the signal of the direction of the switch reversing button 414 detected by the hall switch.
The electric tool 100 further includes a second elastic member 416 for connecting the switch member 411 and the housing 1, and when the connecting rod 413 does not abut against the switch member 411, the switch member 411 is reset under the action of the second elastic member 416, so as to open and close the switch member 411 more conveniently and quickly.
The first elastic element 415, the second elastic element 416 and the third elastic element 423 are springs, which are not described in detail herein.
In summary, the following steps: the wiring manner of the whole electric tool 100 can be simplified by integrating the circuit board 421 and the battery pack 422; meanwhile, the switch piece 411 is directly connected with the circuit board 421, so that the connection mode of the switch piece 411 is simplified, a signal transmission path between the switch piece 411 and the circuit board 421 is also simplified, the operation is more convenient and faster, and the operation safety is improved.
The above is only one embodiment of the present invention, and any other modifications based on the concept of the present invention are considered as the protection scope of the present invention.
Claims (10)
1. An electric power tool, characterized by comprising:
a housing;
the working head is connected with the shell;
the driving mechanism is butted with the working head to drive the working head to work;
the switch control mechanism is used for opening and closing the driving mechanism;
the switch control mechanism comprises a switch component and a power supply control component connected with the switch component, and the power supply control component is electrically connected with the driving mechanism;
the power control assembly comprises a battery pack and a circuit board integrated with the battery pack, and the switch assembly comprises a switch piece arranged on the circuit board and a driving piece used for driving the switch piece to be opened and closed.
2. The power tool of claim 1, wherein the driving member includes a switch trigger movable relative to the housing, and a link connected to the switch trigger and driven by the switch trigger to open and close the switch member, the link having a lever structure with a center of rotation.
3. The power tool of claim 2, wherein the direction of movement of the switch trigger is oriented perpendicular to the direction in which the linkage is disposed.
4. The power tool of claim 2, further comprising a first resilient member for connecting the switch trigger and the housing.
5. The power tool of claim 2, wherein a main circuit module is disposed on the circuit board for controlling the driving mechanism, and the switch member is an on-off switch for controlling the on-off of the main circuit module.
6. The power tool of claim 5, wherein the switch assembly further includes a switch knob connected to the switch member and configured to be locked to or unlocked from the link, the switch knob being in signal communication with the main circuit module, the main circuit module controlling a rotational direction of the drive mechanism based on a direction of the switch knob.
7. The power tool of claim 1, further comprising a second resilient member for connecting the switch member and the housing.
8. The power tool of claim 1, wherein the power control assembly is removably coupled to the housing.
9. The power tool of claim 8, wherein the power control assembly has a protrusion, and the housing has a recess for engaging the protrusion.
10. The power tool of claim 9, wherein the power control assembly further comprises a third resilient member coupled to the protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121778889.8U CN215660085U (en) | 2021-08-02 | 2021-08-02 | Electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121778889.8U CN215660085U (en) | 2021-08-02 | 2021-08-02 | Electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215660085U true CN215660085U (en) | 2022-01-28 |
Family
ID=79982756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121778889.8U Active CN215660085U (en) | 2021-08-02 | 2021-08-02 | Electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215660085U (en) |
-
2021
- 2021-08-02 CN CN202121778889.8U patent/CN215660085U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electric tool Effective date of registration: 20230427 Granted publication date: 20220128 Pledgee: Bank of Nanjing Limited by Share Ltd. Suzhou branch Pledgor: Suzhou Meili Tool Technology Co.,Ltd. Registration number: Y2023980039484 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |