Lithium battery tool switch capable of steering speed regulation control

Abstract

The utility model discloses a lithium battery tool switch capable of steering speed regulation control, which comprises a shell, a speed regulation control switch, a steering control switch and a circuit board, the circuit board is arranged in the shell, the speed regulation control switch is arranged at the upper part of the shell and is in sliding connection with the shell, the lower part of the speed regulation control switch is electrically connected with the circuit board, and the steering control switch is arranged in the shell. The steering control switch is installed on the side portion of the shell and electrically connected with the circuit board. According to the utility model, the speed regulation control switch and the steering control switch are integrated in one switch, so that the structure is more compact, and the product is more convenient to use and operate. In addition, the speed regulation control switch and the steering control switch are operated and limited through a limiting block, a limiting groove and other structures, the operation safety is high, and the product protection performance is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of switches, and in particular relates to a lithium-powered tool switch capable of steering and speed regulation control. Background Art

[0002] Power tool switches are the product of the rapid development of modern automation. Power tool switches are intelligent circuits applied to power tools. They integrate a series of power tool operations into one switch and meet the requirements of convenience, safety, and environmental protection. The specifications of power tool switches are highly customizable, and circuits can be designed, plastics selected, dimensions and other parameters can be selected according to the needs of the machine.

[0003] Existing electric tools can not only adjust the speed but also realize forward and reverse rotation. However, in order to realize the two functions of speed adjustment and steering on the current electric tools, it is necessary to install a speed adjustment switch and a steering switch independently. Utility Model Content

[0004] In view of the problems in the related art, the utility model provides a lithium-powered tool switch which integrates a speed regulating switch and a steering switch into one body.

[0005] To this end, the specific technical solutions adopted by the utility model are as follows:

[0006] A lithium-ion tool switch with steering speed control comprises a shell, a speed control switch, a steering control switch and a circuit board. The circuit board is installed in the shell, the speed control switch is installed on the upper part of the shell and is slidably connected to the shell, the lower part of the speed control switch is electrically connected to the circuit board, and the steering control switch is installed on the side of the shell and is electrically connected to the circuit board.

[0007] Preferably, the shell includes a base and an upper cover, the upper cover is buckled with the base, and the base is provided with a first mounting groove and a first sliding groove for installing a speed control switch, and a second mounting groove for installing a steering control switch; positioning pins are provided on the periphery of the first mounting groove, and the circuit board is installed on the base through the positioning pins.

[0008] Preferably, the circuit board is provided with a first carbon film connected to the speed control switch and a second carbon film connected to the steering control switch.

[0009] Preferably, the speed control switch includes a button, a push shaft and a return spring, the push shaft is connected below the button, a first brush is provided on the side of the push shaft, one end of the return spring is connected to the bottom of the push shaft, and the other end is against the bottom of the first mounting groove, and the button is installed in the first slide groove and is slidably connected to the base.

[0010] Preferably, the steering control switch includes a lever, a connecting plate and a slider, the connecting plate and the slider are arranged in a second mounting groove, a second brush is installed on the slider, the second brush is connected to the second carbon film, a second brush is installed on the slider, a second slide groove is provided on the connecting plate, the slider is slidably connected to the second slide groove through a protrusion, the lever is arranged outside the base, the lever is transmission-connected to the connecting plate through a connecting shaft to drive the connecting plate to swing, when the lever swings, the connecting plate swings, the protrusion on the slider contacts the end of the second slide groove and the slider starts to slide.

[0011] Preferably, a limit plate is also provided on the side of the connecting plate, and the limit plate is connected to the shift rod through a connecting shaft. The limit plate is located in the first mounting groove, and a limit block is provided on the limit plate. A T-block is provided on the side of the push shaft, and limit slots are set on both sides of the T-block. When the limit block is located in the limit slot, the speed control switch can be pressed.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model integrates the speed control switch and the steering control switch into one switch, which is more compact and more convenient to use. In addition, the speed control switch and the steering control switch are restricted by structures such as limit blocks and limit slots, which has high safety and good product protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a structural stereogram of the utility model;

[0016] Figure 2 It is an exploded view of the utility model;

[0017] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the base in the utility model;

[0019] Figure 5 It is a structural schematic diagram of the steering control switch in the utility model;

[0020] Figure 6 It is a structural schematic diagram of the circuit board in the utility model.

[0021] Notes on the diagram:

[0022] 1. Shell; 2. Speed ​​control switch; 3. Steering control switch; 4. Circuit board; 11. Base; 12. Upper cover; 13. First mounting slot; 14. First slide slot; 15. Second mounting slot; 16. Positioning pin; 21. Button; 22. Push shaft; 23. Reset spring; 24. First brush; 25. T-block; 26. Limiting slot; 31. Push rod; 32. Connecting plate; 33. Sliding block; 34. Second slide slot; 35. Protrusion; 36. Connecting shaft; 37. Limiting plate; 38. Limiting block; 41. First carbon film; 42. Second carbon film. DETAILED DESCRIPTION

[0023] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0024] According to an embodiment of the utility model, a lithium-powered tool switch capable of steering and speed regulation control is provided.

[0025] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figures 1 to 6 As shown, this embodiment relates to a lithium-ion tool switch with steering speed control, which includes a housing 1, a speed control switch 2, a steering control switch 3 and a circuit board 4, wherein the circuit board 4 is installed in the housing 1, the speed control switch 2 is installed on the housing 1 and is slidably connected to the housing 1 up and down, the lower part of the speed control switch 2 is electrically connected to the circuit board 4, and the steering control switch 3 is installed on the side of the housing 1 and is electrically connected to the circuit board 4.

[0026] In an embodiment of the present application, the shell 1 includes a base 11 and an upper cover 12, the upper cover 12 is snapped together with the base 11, and the base 11 is provided with a first mounting groove 13 and a first slide groove 14 for mounting a speed control switch 2, and a second mounting groove 15 for mounting a steering control switch 3; a positioning pin 16 is provided around the first mounting groove 13, and the circuit board 4 is mounted on the base through the positioning pin 16.

[0027] Therefore, the circuit board 4 is provided with a first carbon film 41 connected to the speed control switch 2 and a second carbon film 42 connected to the steering control switch 3; the speed control switch 2 in the present application adopts stepless speed regulation.

[0028] In an embodiment of the present application, the speed control switch 2 includes a button 21, a push shaft 22 and a reset spring 23, the push shaft 22 is connected to the bottom of the button 21, and a first brush 24 is provided on the side of the push shaft 22. One end of the reset spring 23 is connected to the bottom of the push shaft 22, and the other end is against the bottom of the first mounting groove 13. After the button 21 is pressed downward, the push shaft 22 moves downward, and the first brush 24 on the push shaft 22 contacts the first carbon film 41 on the circuit board 4 to achieve stepless speed regulation; through the elastic force of the reset spring 23, the button 21 and the push shaft 22 are automatically reset after releasing the hand, and the button 21 is installed in the first slide groove 14 and is slidably connected to the base 11.

[0029] The steering control switch 3 includes a lever 31, a connecting plate 32 and a slider 33. The connecting plate 32 and the slider 33 are arranged in the second mounting groove 15. A second brush 39 is installed on the slider 33. A second slide groove 34 is arranged on the connecting plate 32. The slider 33 is slidably connected with the second slide groove 34 through a protrusion 35. The lever 31 is arranged outside the base 11. The lever 31 is transmission-connected with the connecting plate 32 through a connecting shaft 36 to drive the connecting plate 32 to swing. When the lever 31 swings, the connecting plate 32 swings. After the protrusion 35 on the slider 33 contacts the end of the second slide groove 34, the slider 33 is pushed to start sliding through the limit of the end of the second slide groove 34. The second brush 39 on the slider 33 changes the contact position with the second carbon film 42 to realize forward and reverse steering.

[0030] In addition, a limit plate 37 is also provided on one side of the connecting plate 32, and the limit plate 37 is transmission-connected to the lever 31 through the connecting shaft 6. The limit plate 37 is located in the first mounting groove 13, and a limit block 38 is provided on the limit plate 37. A T-block 25 is provided on the side of the push shaft 22, and limit grooves 26 are provided on both sides of the T-block 25. When the limit block 38 is located in the limit groove 26, the speed control switch 2 can be pressed. When the steering control switch 3 needs to be turned, the speed control switch 2 must be in the reset state, otherwise the limit block 38 and the T-block 25 will be against each other, and the lever 31 cannot be turned, thereby ensuring the safety of the product during use and protecting the power tool.

[0031] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lithium battery tool switch capable of steering and speed regulation, characterized in that: It includes a shell, a speed control switch, a steering control switch and a circuit board. The circuit board is installed in the shell, the speed control switch is installed on the shell and is slidably connected to the shell, the lower part of the speed control switch is electrically connected to the circuit board, and the steering control switch is installed on the side of the shell and is electrically connected to the circuit board.

2. The lithium-powered tool switch with steerable speed control according to claim 1, characterized in that: The shell includes a base and an upper cover, the upper cover is buckled with the base, and the base is provided with a first mounting groove and a first sliding groove for installing a speed control switch, and a second mounting groove for installing a steering control switch; a positioning pin is provided on the periphery of the first mounting groove, and the circuit board is installed on the base through the positioning pin.

3. The lithium-powered tool switch capable of steering and speed regulation according to claim 2, characterized in that: The circuit board is provided with a first carbon film connected to the speed control switch and a second carbon film connected to the steering control switch.

4. The lithium-powered tool switch capable of steering and speed regulation according to claim 3, characterized in that: The speed control switch includes a button, a push shaft and a return spring. The push shaft is connected below the button. A first brush is provided on the side of the push shaft. One end of the return spring is connected to the bottom of the push shaft, and the other end is against the bottom of the first mounting groove. The button is installed in the first slide groove and is slidably connected to the base.

5. The lithium-powered tool switch capable of steering and speed regulation according to claim 4, characterized in that: The steering control switch includes a lever, a connecting plate and a slider, the connecting plate and the slider are arranged in a second mounting groove, a second brush is installed on the slider, the second brush is connected to the second carbon film, a second slide groove is provided on the connecting plate, the slider is slidably connected to the second slide groove through a protrusion, the lever is arranged outside the base, the lever is connected to the connecting plate through a connecting shaft to drive the connecting plate to swing, when the lever swings, the connecting plate swings, the slider starts to slide after the protrusion on the slider contacts the end of the second slide groove.

6. The lithium-powered tool switch capable of steering and speed regulation according to claim 5, characterized in that: A limit plate is also provided on one side of the connecting plate, and the limit plate is connected to the shift rod through a connecting shaft. The limit plate is located in the first mounting groove, and a limit block is provided on the limit plate. A T-block is provided on the side of the push shaft, and limit grooves are provided on both sides of the T-block. When the limit block is located in the limit groove, the speed control switch can be pressed.

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