CN102109880B - Press-type stylus ejection mechanism - Google Patents

Abstract

A push-type stylus pen ejection mechanism comprises a substrate, a guide groove arranged on the substrate, a hook arranged on the substrate, a sliding member sliding relative to the substrate, an elastic component connecting the hook and the sliding member, and a guide arm pivotally connected to the sliding member. The stylus pen is coupled to the sliding member. One end of the guide arm has a positioning pin, and when the positioning pin moves in the guide groove, a pressing spring of the sliding member presses the guide arm to prevent the positioning pin from leaving the guide groove.

Description

Press-type stylus ejection mechanism

technical field

The present invention relates to a stylus ejection mechanism, and in particular to a push-type stylus ejection mechanism.

Background technique

With the development of 3C (Computer, Communications and Consumer) industry, more and more people will use handheld devices (handheld devices) as auxiliary tools in life. For example, common handheld devices include personal digital assistant (personal digital assistant; PDA), mobile phone (mobile phone), smart phone (smart phone), etc. These handheld devices are light in size and easy to carry, so the number of users There are more and more, and the required functions are also more and more extensive.

Among them, the stylus (stylus) is a common hand-held device operating tool. The stylus is mostly fixed in the stylus storage slot through the positioning mechanism, and the stylus is automatically touched when the stylus is needed. Take it out of the pen holder. A push-push stylus ejection mechanism secures the stylus in the handset when the stylus is pushed the first time, and releases the stylus from the handset when the stylus is pushed a second time pops up. As the size of handheld devices becomes smaller and smaller, how to save the space occupied by the ejection mechanism of the push-type stylus and effectively position the stylus has become an important issue.

Contents of the invention

Therefore, the object of the present invention is to provide a push-type stylus pop-up mechanism for movably fixing the stylus in the electronic device.

According to an embodiment of the present invention, a push-type stylus ejection mechanism disposed on the substrate is proposed, including a guide groove disposed on the substrate, a hook disposed on the substrate, a slider sliding relative to the substrate, An elastic component connecting the hook and the slider, and the guide arm. The guide groove has a first positioning point and a second positioning point. The sliding part includes a coupling part and a pressing elastic piece, wherein the stylus is coupled to the coupling part. One end of the guide arm is pivotally connected to the slider, and the other end of the guide arm has a positioning pin. When the positioning pin moves between the first positioning point and the second positioning point of the guide groove, the shrapnel is pressed to press the guiding arm, so as to avoid Locating pin disengages from guide groove.

The channel can be a heart-shaped channel. The push-type stylus pop-up mechanism further includes a protrusion disposed on the substrate, and the slider has a chute corresponding to the protrusion, so that the slider slides relative to the substrate. The chute can be a T-shaped chute. The coupling part includes a plurality of clamping arms for clamping the stylus. Wherein each clamping arm has a raised point, the stylus has an annular groove, and the raised point engages with the annular groove. The shape of the compressed shrapnel can be V-shaped or U-shaped. The push-type stylus pop-up mechanism further has an accommodating slot disposed on the substrate for accommodating the stylus. The substrate can be a casing of an electronic device. The elastic component can be a spring.

The push-type stylus ejection mechanism of the present invention directly provides a pressing force to the guide arm through the pressing spring on the slider, so that the positioning pin on the guide arm can surely move in the guide groove without jumping out.

Description of drawings

FIG. 1 is an exploded view illustrating an embodiment of the push-type stylus ejection mechanism of the present invention.

FIG. 2A and FIG. 2B are schematic diagrams respectively illustrating an embodiment of the push-type stylus pen ejection mechanism in FIG. 1 in different implementation states.

FIG. 3 is a partial side view illustrating the push-type stylus ejection mechanism in FIG. 2A .

Symbol Description

100: Push-type stylus pop-up mechanism 136: Holding arm

110: substrate 138: bump

112: Accommodating slot 140: Hook

120: Guide groove 150: Elastic component

122: First positioning point 160: Guide arm

124: Second positioning point 162: Positioning tip

130: sliding piece 170: boss

132: Coupling part 190: Stylus

134: Compressed shrapnel 192: Ring groove

135: Chute 200: Electronic device

Detailed ways

The following will clearly illustrate the spirit of the present invention with the accompanying drawings and detailed descriptions. After any person with ordinary knowledge in the art understands the preferred embodiments of the present invention, he can change and modify it by the technology taught in the present invention. without departing from the spirit and scope of the present invention.

In the following description, the electronic device may be, for example, a personal digital assistant (Personal Digital Assistant; PDA), an electronic dictionary, a notebook computer, a mobile phone or other handheld devices. The push-push type pop-up mechanism can also be called "push-lock, push-release" or "push-lock and push-open" (push-lock and push-release). push-open type).

Referring to FIG. 1 , it shows an exploded view of an embodiment of the push-type stylus ejection mechanism of the present invention. The push-type stylus ejection mechanism 100 is applied in the electronic device 200 to fix the stylus 190 in the electronic device 200 or eject the stylus 190 from the electronic device 200 . The push-type stylus ejection mechanism 100 is located on the substrate 110 and includes an accommodating groove 112 disposed on the substrate 110, a guide groove 120 disposed on the substrate 110, a slider 130, a hook 140 disposed on the substrate 110, and The elastic component 150 connecting the hook 140 and the sliding member 130 .

The slider 130 has a coupling portion 132 for coupling the touch pen 190 . The slider 130 further has a pressing elastic piece 134 . The push-type stylus ejection mechanism 100 further includes a guide arm 160 , one end of the guide arm 160 is pivotally connected to the slider 130 , and the other end of the guide arm 160 has a positioning tip 162 . When the positioning pin 162 slides in the guide groove 120 , the pressing spring piece 134 will press the positioning pin 162 to prevent the positioning pin 162 from disengaging from the guide groove 120 .

The shape of the guide groove 120 can be heart-shaped or arrow-shaped, and the tip of the guide groove 120 points to the accommodating groove 112 of the stylus 190 . The guide groove 120 has a first positioning point 122 and a second positioning point 124, the first positioning point 122 and the second positioning point 124 are two depressions of the guide groove 120 respectively, wherein, the first positioning point 122 is opposite to the second positioning point 124 is closer to stylus 190 . When the slider 130 slides relative to the base plate 110 , the positioning tip 162 of the guiding arm 160 pivotally connected to the slider 130 moves between the first positioning point 122 and the second positioning point 124 .

The coupling portion 132 of the slider 130 has a plurality of clamping arms 136 , and the clamping arms 136 are used to clamp the stylus 190 to couple the stylus 190 to the coupling portion 132 of the slider 130 . Each clamping arm 136 has a protrusion 138 , and the stylus 190 has an annular groove 192 . When the stylus 190 is inserted into the accommodating groove 112 until it is positioned, the annular groove 192 on the stylus 190 will engage with the protrusion 138 on the clamping arm 136 , so that the stylus 190 is clamped between the clamping arms 136 .

The push-type stylus pen ejection mechanism 100 further includes a protrusion 170 disposed on the substrate 110 , and the slider 130 further has a chute 135 corresponding to the protrusion 170 . The opening direction of the chute 135 of the slider 130 is parallel to the pushing direction of the stylus 190 . The sliding groove 135 is assembled on the boss 170 , so that when the sliding member 130 slides relative to the base plate 110 , the sliding path of the sliding member 130 can be defined by the sliding groove 135 and the boss 170 .

The substrate 110 can be a casing of the electronic device 200 . The material of the sliding member 130 can be metal or plastic. The elastic component 150 can be a spring. The sliding groove 135 can be a T-shaped sliding groove, so as to be sleeved on the boss 170 conveniently. The shape of the pressing elastic piece 134 can be V-shaped, U-shaped or other shapes, as long as it can contact with the guiding arm 160 and provide pressing elastic force and guiding arm 160 .

Referring to FIG. 2A and FIG. 2B , they are schematic diagrams respectively depicting an embodiment of the push-type stylus pen ejection mechanism in FIG. 1 in different implementation states. The stylus 190 can engage with the coupling portion 132 of the slider 130 , so that when the stylus 190 is pushed, the slider 130 is pushed to slide the slider 130 relative to the substrate 110 . Wherein, the sliding path of the sliding member 130 can be defined by the sliding groove 135 and the protrusion 170 .

In FIG. 2A , the positioning pin 162 of the guiding arm 160 is located at the first positioning point 122 of the guide groove 120. At this time, the stylus 190 is exposed to the electronic device 200. When the user pushes the stylus 190 inward, it will Push the slider 130 engaged with the stylus 190, so that the slider 130 slides along the chute 135 relative to the protrusion 170 on the base plate 110. The tip 162 is also pushed and slides in the guide groove 120 to the second positioning point 124, as shown in FIG. 2B.

In FIG. 2B , the stylus 190 has been pushed into the electronic device 200. At this time, the positioning pin 162 is located at the second positioning point 124 of the guide groove 120. The pulling force generated by the stretched deformation of the elastic component 150 is , so that the positioning pin 162 is fixed at the second positioning point 124 of the guide groove 120 , and the sliding member 130 and the stylus 190 coupled thereto are fixed. When the user pushes the stylus 190 again, the slider 130 will slide along the sliding groove 135 relative to the base plate 110, so that the positioning pin 162 is separated from the second positioning point 124 and moves back to the first positioning point along the guide groove 120. 122 , as shown in FIG. 2A , at this time, the user can apply force to pull out the stylus 190 clamped in the sliding member 130 .

Referring to FIG. 3 , it shows a partial side view of the push-type stylus ejection mechanism in FIG. 2A . When the positioning tip 162 of the guide arm 160 slides in the guide groove 120, the pressing elastic piece 134 will contact and slightly interfere with the guiding arm 160, so that the pressing elastic piece 134 provides a pressing force to the guiding arm 160, thereby making the guiding arm The positioning pin 162 on the 160 is sure to move in the guide groove 120, and will not jump out of the guide groove 120 due to the applied force.

It can be known from the above preferred embodiments of the present invention that the application of the present invention has the following advantages. The push-type stylus ejection mechanism of the present invention directly provides a pressing force to the guide arm through the pressing spring on the slider, so that the positioning pin on the guide arm can surely move in the guide groove without jumping out.

Although the present invention has been disclosed above with a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can make various modifications and modifications without departing from the spirit and scope of the present invention. , so the protection scope of the present invention shall prevail according to the content defined in the claims.

Claims (9)

1. a push type touch pen propping mechanism, is characterized in that, comprises:

One guide groove, is arranged on a substrate, and this guide groove has one first anchor point and one second anchor point and a projection and is arranged on this substrate;

One snap fit, is arranged on this substrate;

One sliding part, there is a compacting shell fragment and corresponding to a chute of this projection to slide with respect to this substrate, comprise:

One couplings, in order to couple a pointer; And

One elastic component, connects this sliding part and this snap fit; And

One guid arm, one end of this guid arm is articulated in this sliding part, and the other end has a dowel, and wherein this dowel moves and this compacting shell fragment is suppressed this guid arm between this first anchor point of this guide groove and this second anchor point.

2. push type touch pen propping mechanism according to claim 1, is characterized in that, this guide groove is a heart-shaped guide groove.

3. push type touch pen propping mechanism according to claim 1, is characterized in that, this chute is a T shape chute.

4. push type touch pen propping mechanism according to claim 1, is characterized in that, this couplings comprises multiple arms of seizing on both sides by the arms, clamping this pointer.

5. push type touch pen propping mechanism according to claim 4, is characterized in that, each this seize arm on both sides by the arms and there is a salient point, this pointer has an annular groove, this salient point engages with this annular groove.

6. push type touch pen propping mechanism according to claim 1, is characterized in that, this compacting shell fragment be shaped as V-arrangement or U-shaped.

7. push type touch pen propping mechanism according to claim 1, is characterized in that, also has a storage tank, is arranged on this substrate accommodating this pointer.

8. push type touch pen propping mechanism according to claim 1, is characterized in that, this substrate is the housing of an electronic installation.

9. push type touch pen propping mechanism according to claim 1, is characterized in that, this elastic component is a spring.

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