Adjustment pen
AssigneesBoe Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.
InventorsLei Wang, Weiwei Wang, Chunli Li, Liming Zhu, Kaibin Ding
Life of this patent
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Abstract
An adjustment pen, including a pen body, the pen body including a pen tip, wherein the adjustment pen further includes a light emitting unit, a control switch and a power supply module which are carried by the pen body, the light emitting unit is connected with the control switch and the power supply module to form an illumination circuit, the control switch is configured to control ON and OFF of the illumination circuit, and the light emitting unit is configured to emit a light beam toward the pen tip.
Claims16
An adjustment pen, comprising a pen body, the pen body comprising a pen tip, wherein the adjustment pen further comprises a light emitting unit, a control switch, and a power supply module which are carried by the pen body, the light emitting unit is connected with the control switch and the power supply module to form an illumination circuit, the control switch is configured to control ON and OFF of the illumination circuit, and the light emitting unit is configured to emit a light beam toward the pen tip,
- wherein the pen body comprises a pen handle, the pen handle has a cavity, the control switch comprises an actuator partially or entirely protruding from an outer surface of the pen handle, a transmission mechanism disposed in the cavity and connected with the actuator, and a contact switch located in the cavity and connected with the transmission mechanism,
- the actuator is configured to drive the transmission mechanism to move relative to the pen handle, so that the contact switch switches between a closed state and an opened state in response to a change of state of connection with the illumination circuit,
- the contact switch comprises a first metal sheet connected to the transmission mechanism, and a second metal sheet and a third metal sheet connected to the illumination circuit, and in response of the contact switch being in the closed state, the first metal sheet is in contact with the second metal sheet and the third metal sheet.
An adjustment pen, comprising a pen body, the pen body comprising a pen tip, wherein the adjustment pen further comprises a light emitting unit, a control switch, and a power supply module which are carried by the pen body, the light emitting unit is connected with the control switch and the power supply module to form an illumination circuit, the control switch is configured to control ON and OFF of the illumination circuit, and the light emitting unit is configured to emit a light beam toward the pen tip,
- wherein the pen body comprises a pen handle, the pen handle has a cavity, the control switch comprises an actuator partially or entirely protruding from an outer surface of the pen handle, a transmission mechanism disposed in the cavity and connected with the actuator, and a contact switch located in the cavity and connected with the transmission mechanism,
- the actuator is configured to drive the transmission mechanism to move relative to the pen handle, so that the contact switch switches between a closed state and an opened state in response to a change of state of connection with the illumination circuit,
- the transmission mechanism is a telescoping mechanism,
- the actuator is a button,
- the telescoping mechanism comprises a first ratchet and a second ratchet, and a ratchet sleeve disposed around the second ratchet, the button is connected to the first ratchet, the second ratchet is connected to the contact switch, the first ratchet and the second ratchet have collinear axes and are both configured to be movable within the ratchet sleeve in a axial direction, opposite sides of the first ratchet and the second ratchet are provided with a plurality of teeth in the axial direction, the plurality of teeth of the first ratchet are meshed with the plurality of teeth of the second ratchet, a plurality of guide slots spaced apart from each other are provided in an inside wall of the ratchet sleeve in the axial direction, one end of the ratchet sleeve facing away from the button is provided with a serration edge, an axial distance between a bottom of a serration slot of the serration edge and an end face of the ratchet sleeve proximate to the button is d, and an axial distance between one end of a guide slot proximate to the button and the end face of the ratchet sleeve proximate to the button is m, wherein d>m, the second ratchet has a guide rib thereon which is slidable along the guide slot, and the first ratchet is configured to slide in the axial direction of the ratchet sleeve,
- the telescoping mechanism further comprises a spring, a first end of the spring is connected to the second ratchet, and a second end of the spring is connected to a wall surface of the cavity, and the spring is extendable and contractible in the axial direction of the ratchet sleeve.
Dependencies are inferred from the claim text.