CN210062544U - Lettering pen - Google Patents

Abstract

The utility model provides a pen of carving characters, including the casing, be located the battery compartment of casing one end, the battery is accommodated in the battery compartment, motor, inclined plane cam and impact shaft, the motor electricity is connected the battery, the inclined plane cam is fixed in the casing, one end is connected the motor shaft of motor, the other end is connected the impact shaft, the head of impact shaft stretches out outside the casing, the motor rotates and drives through the motor shaft the inclined plane cam rotates, the inclined plane cam drives impact shaft axial reciprocating motion, impact shaft head striking is realized carving characters by the sculpture thing.

Description

Lettering pen

[ technical field ] A method for producing a semiconductor device

The utility model relates to an electric tool field, concretely relates to pen of carving characters.

[ background of the invention ]

The existing lettering pen provides electric energy for an alternating current power supply, one end of the lettering pen is connected to an indoor socket through a power line, and when lettering is carried out outdoors, the lettering pen is very inconvenient. In addition, the conventional lettering pen converts the rotation kinetic energy of a motor into high-frequency vibration of the pen point in an electromagnet mode, the electromagnet generates 50Hz or 60Hz high-frequency vibration of the magnet through the frequency characteristic of alternating current to drive the high-frequency vibration of the pen point, the alternating current electromagnet can only be used for an alternating current tool, and the electromagnet is high in cost. )

[ Utility model ] content

Based on the above problem, the object of the present invention is to solve at least one of the technical drawbacks. The direct current lettering pen solves the problem of inconvenience of an alternating current power supply, and meanwhile, the inclined cam replaces an electromagnet, so that cost is saved. In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pen of carving characters, includes the casing, is located the battery compartment of casing one end, the battery is held in the battery compartment, the motor, inclined plane cam and impact shaft, the motor electricity is connected the battery, the inclined plane cam is fixed in the casing, one end is connected the motor shaft of motor, the other end is connected the impact shaft, the head of impact shaft stretches out outside the casing, the motor rotates and drives through the motor shaft inclined plane cam rotates, the inclined plane cam drives impact shaft axial reciprocating motion, impact shaft head striking is realized carving characters by the sculpture.

Preferably, the lettering pen further comprises a return spring, and the return spring is sleeved on the impact shaft.

Preferably, the lettering pen further comprises a motor speed regulator for controlling the rotating speed of the motor.

Preferably, the lettering pen further comprises a control unit and a speed regulating device, the speed regulating device outputs different gear signals according to user operation and transmits the gear signals to the control unit, and the control unit controls the rotating speed of the motor to be equal to the target rotating speed corresponding to the gear signals according to the received gear signals.

Preferably, the speed adjusting device comprises a first key, a second key, a third key and a fourth key, wherein the first key and the second key can adjust different speed gears.

Preferably, the speed regulating device is a rotary speed regulating device, and the speed regulating device rotates to different gears and corresponds to different motor rotating speeds.

Preferably, the lettering pen further comprises a chuck, the impact shaft is a pen point, and the pen point is fixed through the chuck.

For the scheme among the prior art, the utility model discloses an advantage:

the embodiment of the utility model provides a pen of carving characters through battery powered, has solved the inconvenient problem of alternating current power supply, sets up the inclined plane cam between motor and the jump bit, for current electromagnet, simple structure, and avoid the problem that the electromagnet is bad easily, has improved pen of carving characters's life, and has practiced thrift the cost, convenient safety carries conveniently, uses the power safe and reliable, is fit for the work of carving characters under the different load condition, can use different operational environment.

[ description of the drawings ]

The invention will be further described with reference to the following drawings and examples:

FIG. 1 is a schematic view of the external structure of the lettering pen of the present invention;

fig. 2 is a schematic view of the internal structure of the lettering pen of the present invention.

[ detailed description ] embodiments

The above objects, features and advantages of the present invention will become more apparent. The following detailed description of embodiments of the invention refers to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather construed as embodying the invention in accordance with the principles of the invention.

Please refer to fig. 1, which illustrates a schematic structural diagram of the lettering pen of the present invention, the lettering pen of the present invention includes a housing 10, a battery compartment without a battery 20 is disposed at the rear end of the housing 10, the battery compartment is provided with a hatch cover, the hatch cover is opened for replacing the battery 20, and the hatch cover is closed for fixing the battery 20. The battery 20 is a rechargeable battery, and may be a rechargeable secondary battery such as a lithium battery or a secondary battery. The utility model discloses still include motor 30, inclined plane cam 40 and impact shaft 50. One end of the battery 20 is electrically connected to the motor 30, the battery 20 in the battery compartment provides electric energy to the motor 30, so that the motor 30 rotates, the output shaft of the motor 30 is connected to the inclined cam 40, and the inclined cam 40 is fixed to the housing 10. When the power button 11 on the shell 10 is pressed, the motor 30 rotates and drives the inclined cam 40 to rotate through the output shaft of the motor 30, the inclined cam 40 drives the impact shaft 50 to axially reciprocate, and the head of the impact shaft 50 impacts the carved object to realize lettering.

The motor in the above embodiments includes a brush motor, a brushless motor, a series ac motor, and the like.

Referring to fig. 2, which is a schematic view of the internal structure of the lettering pen of the present invention, a first fixing portion 12 is disposed inside a casing 10, a slant cam 40 is clamped and fixed in the first fixing portion 12, a second fixing portion 13 and a third fixing portion 14 are further disposed inside the casing 10, both the second fixing portion 13 and the third fixing portion 14 are provided with grooves, a first gasket 16 is detachably inserted into the groove of the second fixing portion 13, the second fixing portion 13 fixes the first gasket 16, a second gasket 17 is detachably inserted into the groove of the third fixing portion 14, a second gasket 17 in the third fixing portion 14 fixes the second gasket 17, wherein a through hole for accommodating an impact shaft 50 is disposed between the first gasket 16 and the second gasket 17, the impact shaft 50 passes through the through hole of the first gasket 16 and the through hole of the second gasket 17, and movably abuts against the slant of the cam 40, when the motor 30 rotates, the inclined cam 40 is driven to rotate, and since the projection length of the inclined surface of the cam 40 in the axial direction is gradually increased, when the inclined cam 40 rotates, different positions of the inclined surface of the inclined cam 40 abut against the impact shaft 50, so that the impact shaft 50 reciprocates in the axial direction.

The utility model discloses an in one of them embodiment, still include reset spring 60 in the pen of carving characters, reset spring 60 cover is established on impact shaft 50, and impact shaft 50 still overlaps to be equipped with third gasket 18 on stretching out one end of casing, and reset spring 60 is located between second gasket 17 and the third gasket 18, and third gasket 18 can be in the casing activity, and is preferred, reset spring 60 one end fixed connection second gasket 17, other end fixed connection third gasket 18. The lettering pen further comprises a chuck 19, a through hole for the head of the impact shaft 50 to pass through is formed in the chuck 19, and the chuck 19 is rotatably fixed at the front end of the shell to fix the impact shaft 50. When the motor 30 rotates, the output shaft of the motor 30 drives the inclined plane cam 40 to rotate, the inclined plane cam 40 drives the impact shaft 50 to move axially forward, because the projection length of the inclined plane of the cam 40 in the axial direction is gradually increased, when the inclined plane cam 40 rotates, different positions of the inclined plane cam 40 are abutted against the impact shaft 50, so that the impact shaft 50 moves towards the chuck 19 in the axial direction, under the action of the return spring 60 between the second gasket 17 and the third gasket 18, the impact shaft 50 returns to the original position, and the circulation is repeated, and the impact shaft 50 can reciprocate in the axial direction.

The impact shaft 50 includes a pen point, and the pen point strikes to be engraved by the carving.

Lettering pen still include the motor speed regulator, control the rotational speed of motor. Specifically, the utility model discloses an in one of them embodiment, the pen of carving characters still includes the control unit and speed adjusting device, speed adjusting device is according to the different gear signal of user operation output to give the control unit with gear signal transmission, the rotational speed of the gear signal control motor that the control unit is according to receiving equals the target rotational speed that this gear signal corresponds. The speed adjusting device includes, but is not limited to, a button, a key, a knob, and other speed adjusting switches. The utility model discloses an in one of them embodiment, be provided with the speed governing switch on the casing, the speed governing switch includes first button, second button, third button and fourth button, and four buttons correspond different rotational speeds respectively, carry out the speed governing of four shelves to the pen of carving characters for the pen of carving characters can be applicable to different load sizes.

The utility model discloses the both sides of lettering pen are provided with anti-skidding recess, can let the comfort level of holding better also difficult landing. In a preferred embodiment, the shell of the lettering pen is also provided with a small LED lamp bead, and the small LED lamp bead can be turned on to provide light when the light is dark, so that an operator can work conveniently when the light is dark. Meanwhile, when the electric quantity of the battery 20 is insufficient, the LED small lamp beads can continuously flash to tell a user that the current is insufficient and the charging is needed.

The specific installation method of the lettering pen comprises the following steps: the chuck 19 is rotated and removed, and one end of the pen point sequentially passes through the through hole of the third gasket 18, the return spring 60, the through hole of the second gasket 17 and the through hole of the first gasket 16 to be fixed and abutted against the inclined cam 40, so that the movable connection of the pen point is realized.

During the use, press power button 11, then press the speed governing switch, battery 20 supplies power for motor 30, and the output shaft of motor 30 drives inclined plane cam 40 rotatory, the different positions on inclined plane cam 40's inclined plane and impact shaft 50 butt, drive impact shaft 50 and move forward on axial direction, under reset spring 60's effect, impact shaft 60 resumes the original position, and is reciprocal so for impact shaft 50 is reciprocal at axial direction and moves, and impact shaft 50's head or the nib striking that says so are realized carving characters by the sculpture, the utility model discloses a carving pen can carve characters on the material of difference, through pressing the different button that the speed governing switch corresponds, selects different gears, and carving pen can carve characters on the material of difference.

The utility model discloses a further embodiment, the pen of carving characters still has the steady speed function, and a certain rotational speed gear corresponds a fixed rotational speed promptly, and when triggering a certain button, motor 30 starts according to the mode of soft start, until reaching the predetermined rotational speed that this rotational speed gear corresponds after, drives nib reciprocating motion with this rotational speed.

After the use, the pen tip can be pulled out from the through hole of the cartridge 19 by rotating the cartridge 19 in the opposite direction. When the battery 20 needs to be charged, the hatch cover is only required to be opened, the battery 20 is taken out, the battery 20 is charged through an external power supply, and the use is very convenient.

This new practical novel lettering pen, through battery powered, solved the inconvenient problem of alternating current power supply, set up the inclined plane cam between motor and the impact shaft, for current electromagnet, simple structure, and avoid the problem that the electromagnet is bad easily, improved lettering pen's life, and practiced thrift the cost, convenient safety carries conveniently, power consumption safe and reliable. The utility model discloses still be provided with the speed governing button on the pen of carving characters, can provide different rotational speeds, be fit for the work of carving characters under the different load condition, can use different operational environment (can work on plastics, leather, metal, glass, pottery etc.).

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (7)

1. The utility model provides a pen of carving characters, its characterized in that, includes the casing, is located the battery compartment of casing one end, the battery is held in the battery compartment, motor, inclined plane cam and impact shaft, the motor electricity is connected the battery, the inclined plane cam is fixed in the casing, one end is connected the motor shaft of motor, the other end is connected the impact shaft, the head of impact shaft stretches out outside the casing, the motor rotates and drives through the motor shaft inclined plane cam rotates, the inclined plane cam drives impact shaft axial reciprocating motion, impact shaft head striking is realized carving characters by the sculpture thing.

2. The lettering pen of claim 1, further comprising a return spring, wherein said return spring is sleeved on said impact shaft.

3. The stylus of claim 1, further comprising a motor speed regulator that controls a rotational speed of the motor.

4. The lettering pen of claim 1, further comprising a control unit and a speed regulating device, wherein the speed regulating device outputs different gear signals according to user operation and transmits the gear signals to the control unit, and the control unit controls the rotating speed of the motor to be equal to a target rotating speed corresponding to the gear signals according to the received gear signals.

5. The lettering pen of claim 4, wherein the speed regulating device comprises a first button, a second button, a third button and a fourth button, wherein the first button and the second button can adjust different speed gears.

6. The lettering pen of claim 4, wherein the speed regulating device is a rotary speed regulating device, and the speed regulating device rotates to different gears corresponding to different motor rotation speeds.

7. The lettering pen as claimed in claim 1, further comprising a collet, wherein the impact shaft is a nib, the nib being fixed by the collet.

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