Active capacitance pen with pressure-sensitive refill structure and rotary hidden charging port
By designing a refill structure with a voltage sense and a rotating hidden charging port in the capacitance pen, the problem that the capacitance pen cannot detect the pen tip pressure and the charging port is susceptible to dust, improving the use effect and charging reliability.
Patent Information
- Application Number
- CN202411895126.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-21
- Publication Date
- 2025-02-11
AI Technical Summary
The charging port of existing capacitor pens is easily affected by dust and impurities, which leads to difficulty in charging; and the pressure on the tip cannot be detected, which affects the use effect.
A refill structure with a pressure-sensitive refill structure is designed, and real-time monitoring of the pen tip pressure is achieved through the cooperation of the pressure-sensitive seat, pressure-sensitive, cushion pad and pre-pressing spring. At the same time, a rotary hidden charging port is used to hide the charging port through the cooperation of the charging base bracket and the elastic claws to avoid dust entering.
It effectively solves the problem that the capacitance pen cannot detect the pressure of the pen tip when writing, and improves the use effect; at the same time, by hiding the charging port, it avoids the entry of dust and impurities, ensuring normal charging.
Smart Images

Figure CN119414976A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of capacitive pens, in particular to an active capacitive pen with a pressure-sensitive pen core structure and a rotating hidden charging port. Background Art
[0002] Capacitive pen is a pen made of conductive material with conductive properties, used to touch the capacitive screen to complete human-computer dialogue operation. Capacitive pen is an auxiliary device that uses conductive material to imitate the human body (usually fingers) to complete human-computer dialogue.
[0003] The charging port of the existing capacitive stylus is directly exposed to the outdoor environment, and dust and impurities from the outside are easy to fall into the charging port, thereby affecting the normal charging of the capacitive stylus. In addition, the capacitive stylus cannot detect and sense the pressure of the pen tip when writing, resulting in poor use of the capacitive stylus. Summary of the invention
[0004] The object of the present invention is to provide an active capacitive stylus with a pressure-sensitive pen core structure and a rotating hidden charging port to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above object, the present invention provides the following technical solutions:
[0006] An active capacitive pen with a pressure-sensitive pen core structure and a rotating hidden charging port, comprising a pen tube, a tail cap is rotatably installed on the top of the pen tube, a pen tip is arranged at the bottom of the pen tube, a main bracket is arranged inside the pen tube, a battery is fixedly installed on the surface of the main bracket, a charging seat FPC is fixedly installed on the surface of the main bracket, a charging seat is fixedly installed on the surface of the charging seat FPC, a charging seat bracket is installed outside the charging seat, the charging seat bracket is in the tail cap, a spring claw is arranged inside the tail cap, the spring claw is connected to the charging seat bracket, and a spring claw that cooperates with the charging seat bracket is arranged on the surface of the charging seat FPC A first straw-hat screw, a tail cover is provided on the top of the tail cap, a second straw-hat screw is provided on the surface of the spring claw part, a bracket upper cover is provided on the surface of the main bracket, a main board is provided between the bracket upper cover and the main bracket, a pressure-sensing seat is fixedly installed on the surface of the main bracket, a pressure sensor is provided on the surface of the pressure-sensing seat, a buffer pad is provided on the back of the pressure sensor, the pressure sensor is electrically connected to the main board, a secondary cylinder is provided on the surface of the main bracket, an isolation sleeve is sleeved in the secondary cylinder, a grounding cylinder is sleeved in the isolation sleeve, a pen core connected to the pen tip is provided on the surface of the main bracket, a pre-compression spring is sleeved on one end of the pen core, and a gasket is provided on the end of the pre-compression spring away from the pen core.
[0007] As a further solution of the present invention: the pre-stress spring is connected with a lead pin, and the pre-stress spring is electrically connected to the mainboard through the lead pin.
[0008] As a further solution of the present invention: the bracket upper cover and the end of the main bracket are jointly installed with a guide nut.
[0009] As a further solution of the present invention: a secondary pin is sleeved on the surface of the secondary cylinder, a ground pin is sleeved on the surface of the fixing ring, and the secondary pin and the ground pin are electrically connected to the mainboard respectively.
[0010] As a further solution of the present invention: an isolation ring is sleeved on one side of the grounding tube extending outside the isolation sleeve, and a fixing ring is arranged on the outer side of the isolation ring.
[0011] As a further solution of the present invention: a magnet is arranged on the surface of the upper cover of the bracket, a light guide sheet is arranged on the surface of the upper cover of the bracket, a button cooperating with the magnet is arranged on the surface of the pen tube, and a shielding layer is arranged inside the pen tube.
[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: by setting the pressure-sensing seat, pressure-sensing, buffer pad, gasket, pre-stressed spring and pen core to cooperate with each other, the pressure of the pen core can be monitored in real time when writing. The problem that the pressure of the capacitive pen tip cannot be detected and sensed at present, resulting in poor use effect of the capacitive pen, is solved. By setting the claw part, the charging seat bracket, the charging seat and the tail cap to cooperate with each other, the relative position between the tail cap and the charging seat bracket can be conveniently adjusted, and the opening and closing state of the charging port can be conveniently adjusted. The problem that dust and impurities from the outside are easy to fall into the charging port, thereby affecting the normal charging of the capacitive pen is solved. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 The figure is a schematic diagram of the external structure of an active capacitive pen with a pressure-sensitive pen core structure and a rotating hidden charging port provided in an embodiment of the present invention.
[0014] Figure 2 It is a schematic diagram of the exploded structure of an active capacitive pen with a pressure-sensitive pen core structure and a rotating hidden charging port provided in an embodiment of the present invention.
[0015] Figure 3 A schematic diagram of the internal structure of a pen tube in an active capacitive pen with a pressure-sensitive pen core structure and a rotating hidden charging port provided in an embodiment of the present invention.
[0016] Among them: 1-pen barrel, 2-pen tip, 3-tail cap, 4-tail cap, 5-main bracket, 6-battery, 7-mainboard, 8-bracket cover, 9-shielding layer, 10-button, 11-charging seat FPC, 12-charging seat, 13-charging seat bracket, 14-light guide, 15-magnet, 16-first straw hat screw, 17-guide nut, 18-pen core, 19-pressure sensing seat, 20-pressure sensing, 21-buffer pad, 22-gasket, 23-pre-stress spring, 24-secondary cylinder, 25-isolating sleeve, 26-grounding cylinder, 27-secondary pin, 28-isolating ring, 29-fixing ring, 30-grounding pin, 31-elastic claw, 32-second straw hat screw. DETAILED DESCRIPTION
[0017] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.
[0018] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.
[0019] like Figure 1 , Figure 2 , Figure 3 As shown, it is a structural diagram of an active capacitive pen with a pressure-sensitive pen core structure and a rotating hidden charging port provided by an embodiment of the present invention, comprising a pen tube 1, a tail cap 3 is rotatably installed on the top of the pen tube 1, a pen tip 2 is arranged at the bottom of the pen tube 1, a main bracket 5 is arranged inside the pen tube 1, a battery 6 is fixedly installed on the surface of the main bracket 5, a charging seat FPC 11 is fixedly installed on the surface of the main bracket 5, a charging seat 12 is fixedly installed on the surface of the charging seat FPC 11, a charging seat bracket 13 is installed on the outside of the charging seat 12, the charging seat bracket 13 is in the tail cap 3, a spring claw member 31 is arranged inside the tail cap 3, the spring claw member 31 is connected to the charging seat bracket 13, and the surface of the charging seat FPC is provided with a A first straw-hat screw 16, a tail cover 4 is provided on the top of the tail cap 3, a second straw-hat screw 32 is provided on the surface of the elastic claw member 31, a bracket upper cover 8 is provided on the surface of the main bracket 5, a main board 7 is provided between the bracket upper cover 8 and the main bracket 5, a pressure sensing seat 19 is fixedly installed on the surface of the main bracket 5, a pressure sensing seat 19 is provided on the surface of the pressure sensing seat 19, a buffer pad 21 is provided on the back of the pressure sensing 20, the pressure sensing 20 is electrically connected to the main board 7, a secondary tube 24 is provided on the surface of the main bracket 5, an isolation sleeve 25 is sleeved in the secondary tube 24, a grounding tube 26 is sleeved in the isolation sleeve 25, a pen core 18 connected to the pen tip 2 is provided on the surface of the main bracket, a pre-stressed spring 23 is sleeved on one end of the pen core 18, and a gasket 22 is provided on the end of the pre-stressed spring 23 away from the pen core 18.
[0020] When in use, the charging stand bracket 13 and the claw member 31 cooperate to rotate the tail cap 3 within a limited range of 90 degrees, so that the window on the surface of the tail cap 3 exposes the LOGO or the charging port, thereby achieving the purpose of hiding the charging port. When writing, the gasket 22 pushes the pre-compression spring 23 to give a thrust to the pen core 18, so that the tail end of the pen core 18 has a certain pressure value against the sensing head of the pressure sensor 20, and the pressure of the writing pen tip 2 can be accurately monitored.
[0021] like Figure 1 , Figure 2 , Figure 3 As shown, as a preferred embodiment of the present invention, the pre-compression spring 23 is connected with a lead pin, and the pre-compression spring 23 is electrically connected to the main board 7 through the lead pin.
[0022] like Figure 1 , Figure 2 , Figure 3 As shown, as a preferred embodiment of the present invention, the bracket upper cover 8 and the end of the main bracket 5 are jointly installed with a guide nut 17.
[0023] like Figure 1 , Figure 2 , Figure 3 As shown, as a preferred embodiment of the present invention, the surface of the secondary cylinder 24 is sleeved with a secondary pin 27, and the surface of the fixing ring 29 is sleeved with a ground pin 30, and the secondary pin 27 and the ground pin 30 are electrically connected to the mainboard 7 respectively.
[0024] like Figure 1 , Figure 2 , Figure 3 As shown, as a preferred embodiment of the present invention, the grounding tube 26 extends to one side outside the isolation sleeve 25 and is sleeved with an isolation ring 28 , and a fixing ring 29 is arranged outside the isolation ring 28 .
[0025] like Figure 1 , Figure 2 , Figure 3 As shown, as a preferred embodiment of the present invention, a magnet 15 is arranged on the surface of the bracket upper cover 8, a light guide plate 14 is arranged on the surface of the bracket upper cover 8, a button 10 cooperating with the magnet 15 is arranged on the surface of the pen tube 1, and a shielding layer 9 is arranged inside the pen tube 1.
[0026] The working principle of the present invention is: when in use, the tail cap 3 can be rotated within a limited range of 90 degrees through the cooperation of the charging seat bracket 13 and the claw member 31, so that the window on the surface of the tail cap 3 exposes the LOGO or the charging port, thereby achieving the purpose of hiding the charging port. When writing, the gasket 22 pushes the pre-compression spring 23 to give a thrust to the pen core 18, so that the tail end of the pen core 18 has a certain pressure value against the sensing head of the pressure sensor 20, and the pressure of the writing pen tip 2 can be accurately monitored.
[0027] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.
Claims
1. An active capacitive pen with a pressure-sensitive pen core structure and a rotating hidden charging port, comprising a pen tube, a tail cap is rotatably mounted on the top of the pen tube, and a pen tip is arranged at the bottom of the pen tube, characterized in that: A main bracket is arranged in the pen tube, a battery is fixedly mounted on the surface of the main bracket, a charging seat FPC is fixedly mounted on the surface of the main bracket, a charging seat is fixedly mounted on the surface of the charging seat FPC, a charging seat bracket is installed on the outside of the charging seat, the charging seat bracket is in a tail cap, a spring claw is arranged in the tail cap, the spring claw is connected to the charging seat bracket, a first straw hat screw cooperating with the charging seat bracket is arranged on the surface of the charging seat FPC, a tail cover is arranged on the top of the tail cap, and a spring claw is arranged on the surface of the spring claw A second straw-hat screw, a bracket upper cover is arranged on the surface of the main bracket, a main board is arranged between the bracket upper cover and the main bracket, a pressure-sensing seat is fixedly installed on the surface of the main bracket, a pressure sensor is arranged on the surface of the pressure-sensing seat, a buffer pad is arranged on the back of the pressure sensor, the pressure sensor is electrically connected to the main board, a secondary tube is arranged on the surface of the main bracket, an isolation sleeve is sleeved in the secondary tube, a grounding tube is sleeved in the isolation sleeve, a pen core connected to the pen tip is arranged on the surface of the main bracket, a pre-compression spring is sleeved on one end of the pen core, and a gasket is arranged on the end of the pre-compression spring away from the pen core.
2. The active capacitive stylus with a pressure-sensitive pen core structure and a rotating hidden charging port according to claim 1, characterized in that: The pre-compression spring is connected with a lead pin, and the pre-compression spring is electrically connected to the mainboard through the lead pin.
3. The active capacitive stylus with a pressure-sensitive refill structure and a rotating hidden charging port according to claim 1, characterized in that: The bracket upper cover and the end of the main bracket are jointly equipped with a guide nut.
4. The active capacitive stylus with a pressure-sensitive refill structure and a rotating hidden charging port according to claim 1, characterized in that: A secondary pin is sleeved on the surface of the secondary cylinder, a ground pin is sleeved on the surface of the fixing ring, and the secondary pin and the ground pin are electrically connected to the mainboard respectively.
5. The active capacitive stylus with a pressure-sensitive refill structure and a rotating hidden charging port according to claim 1, characterized in that: An isolation ring is sleeved on one side of the grounding tube extending outside the isolation sleeve, and a fixing ring is arranged on the outer side of the isolation ring.
6. The active capacitive stylus with a pressure-sensitive pen core structure and a rotating hidden charging port according to claim 1, characterized in that: A magnet is arranged on the surface of the upper cover of the bracket, a light guide sheet is arranged on the surface of the upper cover of the bracket, a button cooperating with the magnet is arranged on the surface of the pen tube, and a shielding layer is arranged inside the pen tube.