CN211086904U - Projection pen - Google Patents

Abstract

The utility model provides a projection pen, a serial communication port, projection pen includes: a base part, the far side of which is provided with a laser lamp and the near side is opened; a telescoping portion connected to the base from the proximal side and configured to telescope relative to the base, the telescoping portion comprising: a drive mechanism configured to provide power; at least two cannulas configured to: nested within one another in a retracted state and extended relative to one another in an extended state; and a transmission mechanism configured to transmit the power to the at least two sleeves to retract or extend them; the utility model discloses a projection pen has scalable, charges by oneself, from taking bluetooth module to but the recording, multi-functional such as illumination effectively solve the problem of single structure, the function singleness of projection pen among the prior art.

Description

Projection pen

Technical Field

The utility model belongs to the electronic equipment field, in particular to projection pen.

Background

At present, most of projection pens sold in the market are single in structure, fixed in size and single in function. The USB plug can be connected with the electronic equipment for use only, and the electronic equipment can not be normally operated once the USB connector is damaged due to the fact that the USB plug is connected with the electronic equipment only. In addition, the projector pen is inconvenient to carry due to the large volume. In addition, conventional projector pens are operated by keys. Also, self-charging cannot be achieved.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problem that exists among the prior art, the utility model provides a but have scalable projection pen who charges by oneself.

In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:

a projector pen, the projector pen comprising: a base part, the far side of which is provided with a laser lamp and the near side is opened; a telescoping portion connected to the base from the proximal side and configured to telescope relative to the base, the telescoping portion comprising: a drive mechanism configured to provide power; at least two cannulas configured to: nested within one another in a retracted state and extended relative to one another in an extended state; and a transmission mechanism configured to transmit the power to the at least two sleeves to retract or extend the same.

In some embodiments, the at least two cannulas are nested in sequence in a distal direction; the driving mechanism comprises a driving motor; the transmission mechanism includes: the rack is arranged on the inner wall of the sleeve; the outer wall of the sleeve is provided with a guide groove along the length direction of the sleeve so as to guide the rack; and a gear actuated by the driving motor and making the sleeve move telescopically in a length direction thereof by engaging with the rack.

In some embodiments, the projector pen further comprises: a support rod for fixing the driving motor; and the offset part and the rack are arranged on two sides of the supporting rod, and two ends of the offset part are respectively fixedly connected with the inner wall of the base part and the supporting rod.

In some embodiments, the projector pen further comprises a bluetooth circuit board, a master control circuit board and a wire; the Bluetooth circuit board is arranged at the top of the casing pipe at the innermost layer, and two ends of the lead are respectively connected with the Bluetooth circuit board and the main control circuit board.

In some embodiments, the projector pen further comprises an isolation baffle fixedly connected to the support rod and disposed between the wire and the gear.

In some embodiments, the projector pen further comprises a USB interface and a lighting switch, each fixed on a distal side of the base; the lighting switch is used for connecting a power supply for the laser lamp.

In some embodiments, the projector pen further comprises a manipulation unit provided at an outer periphery of the base; wherein the manipulation unit includes: the first touch key is used for controlling the extension or retraction of the sleeve; the second touch key is used for starting and closing the laser lamp for illumination; and a third touch key for starting and closing the recording function.

In some embodiments, the projector pen further comprises a flex cable; the main control circuit board is electrically connected with the control unit through the flexible flat cable.

In some embodiments, the wire is provided as a wire in a helical configuration.

In some embodiments, the projector pen further comprises a battery and a charging interface; wherein the battery is disposed distal to the base for providing electrical energy to the projector pen; the charging interface is arranged on the periphery of the base.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses a projection pen has scalable function for the projection pen volume diminishes, conveniently independently carries.

The utility model discloses a projection pen has the function of charging by oneself, and then need not to change the battery, and convenience of customers uses, improves user's use and experiences.

The utility model discloses a projection pen still has from taking bluetooth module, but a great deal of functions such as recording, illumination effectively solve the problem of single structure, the function singleness of projection pen among the prior art. The function diversification of the projection pen is realized. For example, the projection pen can be connected with the electronic equipment through Bluetooth or USB, and the electronic equipment is further controlled, so that the use is convenient, and the practicability is high. In addition, due to the fact that the recording function is added, a user can record in different occasions conveniently, and working efficiency is improved.

The utility model discloses a projecting pen still carries out the integrated design that touch was controld to the button, satisfies customer's different demands and experience.

Drawings

Fig. 1 is a schematic structural diagram of a projector pen according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a projector pen according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a projector pen according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a projector pen according to an embodiment of the present invention.

Description of the reference numerals

1-base 2-expansion 3-laser lamp 4-opening

5-sleeve 6-rack 7-guide groove 8-gear

9-support rod 10-bias piece 11-Bluetooth circuit board

12-main control circuit board 13-lead 14-isolation baffle

15-USB interface 16-lighting switch 17-control unit

18-first touch key 19-second touch key 20-third touch key

21-flexible flat cable 22-Bluetooth switch 23-accommodating cavity

24-charging interface

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but not intended to limit the invention thereto. For a better understanding of the technical aspects of the present disclosure, reference is made to the following detailed description taken in conjunction with the accompanying drawings. Embodiments of the present disclosure are described in further detail below with reference to the figures and the detailed description, but the present disclosure is not limited thereto.

All terms (including technical or scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

For the convenience of understanding the embodiments of the present application, reference will be made herein, wherein "near side" and "far side" used in the embodiments of the present application are both based on the base 1 of the projection pen, i.e., "near side" refers to the side opposite to the opening 4 of the base 1, and "far side" refers to the side opposite to the base 1 where the laser lamp 3 is installed.

For solving among the prior art projection pen single structure, the function singleness, the great problem of volume, the embodiment of the utility model provides a projection pen, refer to fig. 1 to fig. 4, projection pen includes: a base 1 provided with a laser lamp 3 at a distal side and an opening 4 at a proximal side; a telescopic portion 2 connected to the base portion 1 from the near side and configured to be telescopic with respect to the base portion 1, the telescopic portion 2 including: a drive mechanism configured to provide power; at least two sleeves 5 configured to: nested within one another in a retracted state and extended relative to one another in an extended state; and a transmission mechanism configured to transmit the power to at least two of the sleeves 5 to retract or extend them. Through setting up laser lamp 3, and the projection pen is realized flexible, has not only solved the problem of the function singleness of projection pen among the prior art, has still overcome the great problem of volume.

In some embodiments, at least two cannulae 5 are nested in sequence in the distal direction; the driving mechanism comprises a driving motor; the transmission mechanism includes: a rack 6 arranged on the inner wall of the sleeve 5; a guide groove 7 is arranged on the outer wall of the sleeve 5 along the length direction thereof to guide the rack 6; and a gear 8 actuated by the driving motor and telescopically moving the sleeve 5 in a length direction thereof by engaging with the rack 6. Through setting up guiding groove 7, after gear 8 and rack 6 mesh to under the driving motor drive, can keep sleeve 5 along rectilinear movement, a plurality of sleeve 5 are stretching out or retracting the back promptly, rack 6 and guiding groove 7 remain on a straight line all the time, avoid between sleeve 5, take place relative rotation between sleeve 5 and the basal portion 1, lead to the unable normal meshing of gear 8 and rack 6, and then lead to the unable normal flexible of sleeve 5.

In some embodiments, it should be noted that, in order to ensure the normal extension and contraction between the sleeve 5 and the base 1, a guiding column (not shown in the figure) corresponding to the guiding groove 7 may be disposed on the inner wall of the base 1, and the guiding column penetrates through the guiding groove 7, thereby preventing the sleeve 5 from rotating relative to the base 1, so that the sleeve 5 is normally extended and contracted.

In some embodiments, in order to normally drive the gear 8 and bring the rack 6 to complete the telescopic action of the casing 5, in particular, the projector pen further comprises: a support rod 9 for fixing the driving motor; and the offset piece 10, the offset piece 10 and the rack 6 are arranged on two sides of the support rod 9, and two ends of the offset piece 10 are fixedly connected with the inner wall of the base part 1 and the support rod 9 respectively. The driving motor is not limited to be fixed to the support rod 9, and may be provided to ensure that the driving gear 8 rotates. By providing the biasing member 10, since it always applies an acting force to the supporting rod 9, it is ensured that the gear 8 and the rack 6 are effectively engaged, and thus the sleeve 5 is normally extended and retracted. By arranging the biasing piece 10, the problem that the projection pen cannot normally stretch due to loose meshing caused by long-time meshing of the gear 8 and the rack 6 is effectively avoided.

In some embodiments, the projector pen further comprises a bluetooth circuit board 11, a main control circuit board 12 and a lead 13; the Bluetooth circuit board 11 is arranged on the top of the casing 5 at the innermost layer, and two ends of the lead 13 are respectively connected with the Bluetooth circuit board 11 and the main control circuit board 12. After the bluetooth circuit board 11 and the main control circuit board 12 are electrically connected, the main control circuit board 12 controls the bluetooth circuit board 11, and then the projection pen can control the electronic device, thereby increasing the new function of the projection pen. In some embodiments, referring to fig. 1, the wires 13 are arranged as a helix of the wires 13. In the telescopic process of the sleeve 5, the electric wire is simultaneously extended and shortened, so that the space in the sleeve 5 is reasonably utilized, and the sleeve 5 is smoother in the telescopic process.

In some embodiments, in order to prevent the gear 8 from damaging the wire 13, referring to fig. 1, the projector pen further includes an isolation baffle 14, which is fixedly connected to the support rod 9 and disposed between the wire 13 and the gear 8, and which effectively isolates the wire 13 from the gear 8, and effectively protects the wire 13 from being damaged by the gear 8 during the rotation process. For example, in the rotation of the gear 8, the wire 13 is damaged and may be broken due to long-term wear of the wire 13. In the present embodiment, the isolation barrier 14 may be provided in various shapes, for example, a mesh shape; the material may also be different, for example, plastic or aluminum. The relevant shape and the selected material are not further limited herein, and can be adjusted accordingly according to the actual application.

In some embodiments, the projector pen further comprises a USB interface 15 and a lighting switch 16, which are respectively fixed on the far side of the base 1; the illumination switch 16 is used to power the laser lamp 3. The position settings of the USB interface 15 and the illumination switch 16 may be located on both sides of the laser lamp 3 as shown in fig. 3, and of course, may also be located in other positions, for example, on the periphery of the base 1, which is not limited in particular. In addition, through setting up USB interface 15, for the projecting pen has increased new useful function, improved user's experience.

In some embodiments, the projector pen further comprises a manipulation unit 17, see fig. 3 and 4, provided at the periphery of the base 1; wherein the manipulation unit 17 comprises: a first touch key 18 for operating the extension or retraction of the sleeve 5; a second touch key 19 for turning on and off the laser lamp 3 for illumination; and a third touch key 20 for turning on and off the recording function. During a specific operation, for example, the sleeve can be extended by long pressing the first touch key 18 for about 3-5 seconds, and the sleeve can be retracted by long pressing the first touch key 18 again; in the same manner, the second touch key 19 and the third touch key 20 can be pressed for about 3 to 5 seconds to control the illumination of the laser lamp 3 to be turned on or off and the recording to be started or ended, respectively. In addition, in a working state of the projector pen, a corresponding control action can be realized by touching the control unit 17, for example, a finger touches and slides on the first touch key 18 to realize a page turning function of the electronic device, and the specific operation process is not limited and described herein. The advantageous functions of the projector pen are further increased by the provision of the manipulation unit 17.

In some embodiments, referring specifically to fig. 1, the projector pen further comprises a flex cable 21; the main control circuit board 12 is electrically connected with the control unit 17 through a flexible flat cable 21. Through the flexible flat cable 21, the control unit 17 sends a control signal to the main control circuit board 12, and the detailed control process is not described herein. It should be noted that, in order to safely and reliably transmit the operation and control signal, it is necessary to ensure the effective connection between the flexible flat cable 21 and the main control circuit board 12 and the operation and control unit 17, and avoid the disconnection between the flexible flat cable 21 and the main control circuit board 12 and the operation and control unit 17 caused by the multiple extension and retraction of the sleeve 5, for this reason, a specific isolation space may be provided on the inner wall of the base 1, for example, see fig. 1, the inner wall of the base part 1 is provided with the accommodating cavity 23, the flexible flat cable 21 is accommodated in the accommodating cavity 23, thereby effectively avoiding the sleeve 5 from scraping the flexible flat cable 21 in the extension process, correspondingly improving the reliability of the connection between the flexible flat cable 21 and the main control circuit board 12 and the operation and control unit 17, and then increased the life of projection pen, avoided because the disconnection appears, lead to the maintenance of user to the projection pen, even directly throw away, saved the cost for user's furthest.

In some embodiments, the projector pen further comprises a battery (not shown) and a charging interface 24; wherein the battery is arranged at the far side of the base part 1 and is used for providing electric energy for the projection pen; charging inlet 24 opens to the outer periphery of base 1. In order to avoid the frequent replacement of the battery or the direct connection of the external power supply of the projection pen, the battery can be set as a rechargeable battery, and the battery is charged through the charging interface 24, so that the projection pen can be repeatedly used without replacing the battery, and the use is more convenient.

In some embodiments, in order to enable the bluetooth function as required, in particular, the bluetooth switch 22 is disposed at the top of the casing 5 at the innermost layer, referring to fig. 4, the bluetooth circuit board 11 is correspondingly controlled to enable or disable the bluetooth function by manually controlling the bluetooth switch 22, and the specific operation process is not described herein again.

Moreover, although illustrative embodiments have been described herein, the scope includes any and all embodiments having equivalent elements, modifications, omissions, combinations (e.g., of aspects across various embodiments), adaptations or alterations based on the present disclosure. The elements in the claims are to be interpreted broadly based on the language employed in the claims and not limited to examples described in the specification or during the life of the application. Further, the steps of the disclosed methods may be modified in any manner, including by reordering steps or inserting or deleting steps. It is intended, therefore, that the description be regarded as examples only, with a true scope being indicated by the following claims and their full scope of equivalents.

The above description is intended to be illustrative and not restrictive. For example, the above-described examples (or one or more aspects thereof) may be used in combination with each other. Other embodiments may be utilized, for example, by one of ordinary skill in the art, upon reading the above description. Also, in the foregoing detailed description, various features may be combined together to simplify the present disclosure. This should not be interpreted as intending that an unclaimed disclosed feature is essential to any claim. Thus, the following claims are hereby incorporated into the detailed description as examples or embodiments, with each claim standing on its own as a separate embodiment, and it is contemplated that these embodiments may be combined with each other in various combinations or permutations. The scope of the invention should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.

Claims (10)

1. A projector pen, comprising:

a base part, the far side of which is provided with a laser lamp and the near side is opened;

a telescoping portion connected to the base from the proximal side and configured to telescope relative to the base, the telescoping portion comprising:

a drive mechanism configured to provide power;

at least two cannulas configured to: nested within one another in a retracted state and extended relative to one another in an extended state; and

a transmission mechanism configured to transmit the power to the at least two cannulae for retraction or extension thereof.

2. The projector pen of claim 1, wherein the at least two sleeves are nested in sequence in a distal direction;

the driving mechanism comprises a driving motor;

the transmission mechanism includes: the rack is arranged on the inner wall of the sleeve; the outer wall of the sleeve is provided with a guide groove along the length direction of the sleeve so as to guide the rack; and a gear actuated by the driving motor and telescopically moving the sleeve in a length direction thereof by being engaged with the rack.

3. The projector pen of claim 2, further comprising:

a support rod for fixing the driving motor;

and the offset part and the rack are arranged on two sides of the supporting rod, and two ends of the offset part are respectively fixedly connected with the inner wall of the base part and the supporting rod.

4. The projection pen of claim 3, further comprising a bluetooth circuit board, a master control circuit board and a wire; the Bluetooth circuit board is arranged at the top of the casing pipe at the innermost layer, and two ends of the lead are respectively connected with the Bluetooth circuit board and the main control circuit board.

5. The stylus of claim 4, further comprising an isolation barrier fixedly coupled to the support rod and disposed between the wire and the gear.

6. The projector pen of claim 5, further comprising a USB interface and a light switch, each fixed to a distal side of the base; the lighting switch is used for connecting a power supply for the laser lamp.

7. The projector pen of claim 6, further comprising a manipulation unit provided at the outer periphery of the base; wherein the manipulation unit includes:

the first touch key is used for controlling the extension or retraction of the sleeve;

the second touch key is used for starting and closing the laser lamp for illumination; and

and a third touch key for starting and closing the recording function.

8. The projector pen of claim 7, further comprising a flex cable; the main control circuit board is electrically connected with the control unit through the flexible flat cable.

9. The projector pen as claimed in one of the preceding claims 4 to 8, characterized in that the wire is arranged as a wire in a spiral configuration.

10. The projector pen of claim 1, further comprising a battery and a charging interface; wherein the battery is disposed distal to the base for providing electrical energy to the projector pen; the charging interface is arranged on the periphery of the base.

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