CN211319184U - Intelligent pen - Google Patents

Abstract

The utility model provides an intelligent pen. The intelligent pen comprises a pen body, a shell cover, a Bluetooth module and a fingerprint module. The pen body is provided with a pen point; the shell cover is arranged at one end of the pen body, which is opposite to the pen point, through a connecting piece; the Bluetooth module is arranged in the shell cover and is connected with one side of the connecting piece; the fingerprint module is arranged in the shell cover and above the Bluetooth module, the fingerprint module is clamped with the shell cover, and the fingerprint module is suitable for converting fingerprint information into signals after being collected; wherein, bluetooth module with fingerprint module electric connection, bluetooth module is used for with fingerprint module's signal transfer gives electronic equipment. The utility model discloses an intelligence pen can solve the pen that current electronic equipment used and can not carry out the problem of intercommunication function with electronic equipment.

Description

Intelligent pen

Technical Field

The utility model relates to the field of electronic technology, in particular to intelligent pen.

Background

With the development of economy, more and more electronic devices begin to be popularized, at present, the most widely used electronic devices in life are mobile phones and computers, the development forms of the mobile phones and the computers are developed to spelling software and spelling parameters by changing hardware conditions, the personal experience form is basically fixed to a form of finger touch, a mouse and a keyboard are combined, a small number of electronic devices with pens are not developed by taking the pens as a technical core, and the pens have only a writing function and cannot realize the function of communicating the pens with other electronic devices.

Therefore, there is a need to provide a new smart pen to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an intelligence pen aims at solving the pen that current electronic equipment used and can not carry out the problem of intercommunication function with electronic equipment.

In order to achieve the above object, the utility model provides an intelligent pen, intelligent pen includes a body, cap, bluetooth module and fingerprint module. The pen body is provided with a pen point; the shell cover is arranged at one end of the pen body, which is opposite to the pen point, through a connecting piece; the Bluetooth module is arranged in the shell cover and is connected with one side of the connecting piece; the fingerprint module is arranged above the Bluetooth module and is clamped with the shell cover, and the fingerprint module is suitable for converting fingerprint information into signals after being collected; wherein, bluetooth module with fingerprint module electric connection, bluetooth module is used for with fingerprint module's signal transfer gives electronic equipment.

Optionally, the cap includes cap pipe and mounting panel, be equipped with on the cap pipe and dodge the mouth, mounting panel detachable install in dodge in the mouth, the mounting panel with the fingerprint module joint.

Optionally, the pen body includes a casing tube, the casing tube is connected to the casing cover tube through the connecting piece, the connecting piece is inserted into the casing tube, and the connecting piece is fixed to the casing tube in an interference fit manner.

Optionally, the mounting plate comprises a straight plate and an arc-shaped plate connected with the straight plate, and a mounting opening is formed in the straight plate; fingerprint module include the touch-sensitive screen and with touch-sensitive screen electric connection's fingerprint control panel, the fingerprint control panel is located the straight board with between the bluetooth module, the touch-sensitive screen is located in the installation mouth.

Optionally, dodge mouthful to orientation the one end of shell and tube dorsad the one end of shell and tube is the arc transition, so that dodge the mouth and be the arc setting, the arc of arc with dodge the arc correspondence of mouth.

Optionally, one end of the straight plate, which faces away from the shell tube, is provided with a first hook, the shell cover tube is provided with a clamping groove matched with the first hook, and the straight plate is connected with the shell cover tube in a clamping manner.

Optionally, the straight plate orientation one side of fingerprint control panel is equipped with the second trip, the arc orientation one side of fingerprint control panel is equipped with the third trip, the second trip with the third trip is applicable to with the fingerprint control panel card is held.

Optionally, the connecting piece includes the spliced pole and certainly the installation department that the spliced pole extends, the installation department is constructed the slot that extends along its length direction, the slot dorsad the one end of spliced pole is formed with the confession bluetooth module male inserted port.

Optionally, the outer surface of the connecting column is provided with first limiting ribs distributed along the circumferential direction of the connecting column; and/or, be equipped with on the surface of spliced pole along its axial distribution's the spacing rib of second, the quantity of the spacing rib of second is a plurality of, first spacing rib is with a plurality of the setting of crossing is presented to the spacing rib of second.

Optionally, the mounting portion is in the opposite sides of slot construct spacing lug, two spacing lug is applicable to fixedly bluetooth module.

The technical scheme of the utility model, through setting up the cap in the one end of the pen body of intelligent pen, the cap passes through the connecting piece and is connected with a body, bluetooth module locates in the cap and is connected with the connecting piece, fingerprint module and cap joint, fingerprint module is suitable for and turns into the signal after gathering fingerprint information, fingerprint module and bluetooth module electric connection, the connecting piece not only makes cap and pen body convenient equipment, but also the connecting piece makes things convenient for the equipment of fingerprint module, and then makes the assembly of intelligent pen simple, easy to operate; meanwhile, the intelligent pen not only has an input function of a touch screen of the electronic equipment, but also can transmit a signal of the fingerprint module to the electronic equipment through the Bluetooth module so as to realize the function of intercommunication between the intelligent pen and the electronic equipment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

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

FIG. 2 is a schematic diagram of a portion of the structure of the smart pen of FIG. 1;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a schematic view of a part of the structure of the smart pen in fig. 2.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Intelligent pen	2221	Third hook
100	Pen body	300	Connecting piece
				110	Pen point	310	Connecting column
120	Shell pipe	311	First limit rib
				130	Power supply	312	Second limit rib
200	Shell cover	320	Mounting part
				210	Shell cover pipe	321	Spacing lug
220	Mounting plate	400	Bluetooth module
				221	Straight board	500	Fingerprint module
2211	The first hook	510	Touch screen
				2212	Second hook	520	Fingerprint control panel
222	Arc-shaped plate

The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides an intelligent pen, intelligent pen not only has the input function to electronic equipment's touch-sensitive screen, can also transmit fingerprint module's signal for electronic equipment through bluetooth module to realize that intelligent pen and electronic equipment carry out the function of intercommunication.

Referring to fig. 1 to 3, in an embodiment of the smart pen 10 of the present invention, the smart pen 10 includes a pen body 100, a case cover 200, a bluetooth module 400, and a fingerprint module 500. The pen body 100 has a pen tip 110; the cap 200 is disposed on one end of the pen body 100 opposite to the pen point 110 through a connecting member 300; the Bluetooth module 400 is arranged in the case cover 200, and the Bluetooth module 400 is connected with one side of the connecting piece 300; the fingerprint module 500 is arranged in the case cover 200 and above the Bluetooth module 400, the fingerprint module 500 is clamped with the case cover 200, and the fingerprint module 500 is suitable for converting fingerprint information into signals after being collected; wherein, bluetooth module 400 and fingerprint module 500 electric connection, bluetooth module 400 is used for transmitting fingerprint module 500's signal to electronic equipment.

Specifically, the pen tip 110 may be a capacitive pen tip 110 or a resistive pen tip 110, the pen tip 110 is disposed at one end of the pen body 100, and when the pen tip 110 contacts the touch screen 510 of the electronic product, the smart pen 10 can be moved to input on the touch screen 510, for example, the pen tip 110 can perform text input or drawing on the touch screen 510. To ensure the working status of the smart pen 10, the pen body 100 further includes a power source 130, for example, the power source 130 is a replaceable battery, and the battery is connected to the electrode in the capacitive pen head 110, so that the electrode carries current. Of course, in other embodiments, the power source 130 may be a rechargeable battery.

Further, the structure of the pen body 100 is not particularly limited, for example, the pen body 100 may be an elliptical cylinder or a cylinder. The cap 200 is disposed at an opposite end of the pen body 100, and the cap 200 is connected to the pen body 100 through a connecting member 300, and the connecting manner includes various design manners, such as but not limited to: the connecting member 300 is respectively inserted into and fixed with the case cover 200 and the pen body 100, or the connecting member 300 is connected and fixed with the case cover 200 and the pen body 100 through a snap structure. The specific connection of the connector 300 is described in more detail below.

In addition, the fingerprint module 500 can record fingerprints, and can perform account login on the electronic product through the bluetooth module 400, or perform functions such as encrypting files in the electronic product. The fingerprint information collected by the fingerprint module 500 may be a fingerprint touch time, for example, a long press is performed when the fingerprint touch time of the finger touching the fingerprint module 500 exceeds a certain threshold, a short press is performed when the fingerprint touch time of the finger touching the fingerprint module 500 does not exceed a certain threshold, and the long press and the short press can respectively realize different functions, for example, the long press is used for confirming a function, and the short press is used for selecting a function; the fingerprint information acquired by the fingerprint module 500 may also be trajectory information of a touch action, for example, a continuous finger touch is performed to perform a scribing action, and may be used for an account login function; the fingerprint information collected by the fingerprint module 500 may also be a moving direction of the touch action, such as upward sliding, downward sliding, left sliding, or right sliding of a finger, and may be used to implement a selection function, and the above specific functions may be set according to actual needs.

The technical scheme of the utility model, through setting up cap 200 in the one end of the pen body 100 of intelligent pen 10, cap 200 is connected with pen body 100 through connecting piece 300, bluetooth module 400 is located in cap 200 and is connected with connecting piece 300, fingerprint module 500 and cap 200 joint, fingerprint module 500 is applicable to and turns into the signal after gathering fingerprint information, fingerprint module 500 and bluetooth module 400 electric connection, connecting piece 300 not only makes cap 200 and pen body 100 conveniently assemble, and connecting piece 300 makes things convenient for the assembly of fingerprint module 500, and then makes the assembly of intelligent pen 10 simple, easy to operate; meanwhile, the smart pen 10 not only has an input function for the touch screen 510 of the electronic device, but also can transmit the signal of the fingerprint module 500 to the electronic device through the bluetooth module 400, so as to implement a function of communicating the smart pen 10 with the electronic device.

Referring to fig. 1 and 3, in an embodiment, considering that the fingerprint module 500 is located in the housing cover 200, it is not easy to disassemble and assemble the fingerprint module 500 for maintenance or replacement. In view of this, optionally, the housing cover 200 includes a housing cover tube 210 and a mounting plate 220, an avoiding opening (not shown) is provided on the housing cover tube 210, the mounting plate 220 is detachably mounted in the avoiding opening, and the mounting plate 220 is clamped with the fingerprint module 500.

Specifically, the cap housing 210 is hollow, and the cap housing 210 is open on the side facing the pen body 100, so as to be suitable for installing the bluetooth module 400 and the fingerprint module 500. Dodge the mouth and locate the lateral wall of shell cover pipe 210, dodge the mouth and extend along the length direction of shell cover pipe 210, dodge the mouth and can avoid the lateral wall of shell cover pipe 210 to block the installation to fingerprint module 500, shell cover pipe 210 passes through connecting piece 300 and is connected with pen body 100.

Further, when installation bluetooth module 400 and fingerprint module 500, set up bluetooth module 400 and fingerprint module 500 in the uncovered of cap pipe 210 earlier, set up fingerprint module 500 towards dodging the mouth setting, then exert external force to cap pipe 210 to insert bluetooth module 400 and fingerprint module 500 in cap pipe 210. After fingerprint module 500 and bluetooth module 400 installed in place, fingerprint module 500 just was in cap pipe 210 dodge the breach in, installs mounting panel 220 in dodging the breach again, mounting panel 220 and fingerprint module 500 joint to make fingerprint module 500 can be fixed in cap 200. The installation process of cap 200 is simple, and convenient operation has improved the installation effectiveness.

Referring to fig. 2 to 4, in an embodiment, in order to simplify the installation manner of the connector 300 and the pen body 100 and improve the installation efficiency, optionally, the pen body 100 includes a casing 120, the casing 120 is connected with the cover tube 210 through the connector 300, the connector 300 is inserted into the casing 120, and the connector 300 is fixed to the casing 120 in an interference fit manner.

Specifically, the shell 120 is hollow, the shell 120 is open on the side facing the cover 200, the nib 110 is partially inserted through the shell 120 at the end facing away from the open end of the shell 120 and is disposed outside the shell 120, and the connector 300 is disposed at the open end of the shell 120. When the connector 300 is installed, the connector 300 is aligned with the opening of the casing 120, and an external force is applied to the connector 300 to insert the connector 300 into the casing 120, wherein the connector 300 and the casing 120 are fixed in an interference fit. The installation process of the connecting piece 300 and the pen body 100 is simple, the operation is easy, and the installation efficiency is improved.

Referring to fig. 1, fig. 3 and fig. 4, in an embodiment, in order to improve the operability of the smart pen 10 and facilitate the user to enter a fingerprint, optionally, the mounting plate 220 includes a straight plate 221 and an arc-shaped plate 222 connected to the straight plate 221, and a mounting opening (not shown) is formed on the straight plate 221; fingerprint module 500 includes touch-sensitive screen 510 and with touch-sensitive screen 510 electric connection's fingerprint control panel 520, fingerprint control panel 520 locates between bar 221 and bluetooth module 400, and touch-sensitive screen 510 locates in the installation mouth.

Specifically, the touch screen 510 is used for collecting fingerprint information of a user, converting the fingerprint information into an electrical signal and transmitting the electrical signal to the fingerprint control board 520, and the size of the mounting opening of the straight board 221 is matched with the size of the touch screen 510, so that the touch screen 510 can be mounted in the mounting opening, and the touch screen 510 is exposed on the surface of the case cover 200, thereby facilitating the user to input a fingerprint. The surface of the touch screen 510 may be coated with a protective film to protect the touch screen 510 and prevent the touch screen 510 from being scratched.

Referring to fig. 1 to 3, in an embodiment, in order to improve the comfort of the user in operating the smart pen 10 and avoid the avoidance port from affecting the operation of the user, optionally, the avoidance port is in an arc transition from one end facing the casing 120 to the end facing away from the casing 120, so that the avoidance port is in an arc shape, and the arc shape of the arc-shaped plate 222 corresponds to the arc shape of the avoidance port.

Specifically, the radian of the avoidance opening is not limited, and the avoidance opening can be designed correspondingly according to the radian which is used by a user for a long time. When the user operates the smart pen 10, the fingers of the user can slide back and forth on the mounting plate 220 along the arc-shaped plate 222 and the straight plate 221, and the arc-shaped plate 222 not only improves the comfort of the user operation, but also has a certain aesthetic feeling.

Referring to fig. 2 and 3, in an embodiment, to simplify the installation manner of the installation plate 220 and the housing cover tube 210 and improve the installation efficiency, optionally, a first hook 2211 is disposed at an end of the straight plate 221 facing away from the housing tube 120, a slot (not shown) adapted to the first hook 2211 is disposed on the housing cover tube 210, and the straight plate 221 is connected to the housing cover tube 210 in a snap-fit manner.

Specifically, a first hook 2211 is convexly arranged on a side plate of the straight plate 221 of the mounting plate 220, which is opposite to one end of the casing tube 120, and the first hook 2211 has a first hook seat and a first clamping block, and the first clamping block is convexly arranged on the first hook seat. When the mounting plate 220 is mounted, the first hook seat of the first hook 2211 abuts against the inner wall of the housing cover tube 210, the first fastening block is disposed in the fastening slot of the housing cover tube 210, and the first hook 2211 is made of an elastic material, so that the first hook 2211 can elastically deform, and the mounting plate 220 can be fastened and connected with the housing cover tube 210. The mounting process of the mounting plate 220 and the shell cover tube 210 is simple, the operation is easy, and the mounting efficiency is improved.

Referring to fig. 2 to 4, in an embodiment, considering that the fingerprint control board 520 is not fixed in the case cover 200, the fingerprint control board 520 may shake in the case cover 200 to damage components on the fingerprint control board 520. Therefore, to avoid this problem, optionally, the side of the straight plate 221 facing the fingerprint control board 520 is provided with a second hook 2212, the side of the arc plate 222 facing the fingerprint control board 520 is provided with a third hook 2221, and the second hook and the third hook 2221 are adapted to clamp the fingerprint control board 520.

Specifically, the second hook 2212 has a second hook seat and a second fastening block, the third hook 2221 has a third hook seat and a third fastening block matched with the second hook 2212, the second fastening block and the third fastening block are correspondingly disposed, and the second hook 2212 and the third hook 2221 are made of elastic materials, so that the second hook 2212 and the third hook 2221 can elastically deform, and the second hook 2212 and the third hook 2221 can clamp the fingerprint module 500.

Referring to fig. 1, 3 and 4, in an embodiment, considering that the bluetooth module 400 is not fixed in the case cover 200, the bluetooth module 400 may shake in the case cover 200 to damage components on the bluetooth module 400. Therefore, to avoid this problem, the connector 300 optionally includes a connection post 310 and a mounting portion 320 extending from the connection post 310, the mounting portion 320 is configured with a slot (not shown) extending along a length direction thereof, and an end of the slot opposite to the connection post 310 is formed with an insertion opening into which the bluetooth module 400 is inserted.

Specifically, the connection posts 310 are connected to the casing 120 and the cover casing 210, respectively, and the mounting portions 320 are provided in the cover casing 210. When installing bluetooth module 400, earlier aim at the inserted hole of slot with bluetooth module 400, then exert external force to bluetooth module 400 for in bluetooth module 400 inserts installation department 320 along the slot, in order to realize the fixed to bluetooth module 400, can avoid bluetooth module 400 to rock in cap 200 like this, improved the reliability of intelligent pen 10.

Based on the above embodiment, in order to improve the stability of the bluetooth module 400, optionally, the mounting portion 320 is configured with the limiting protrusions 321 on two opposite sides of the slot, and the two limiting protrusions 321 are suitable for fixing the bluetooth module 400. The installation department 320 is located to spacing lug 321 towards the one end of shell and tube 120, and when bluetooth module 400 was installed, two spacing lugs 321 can carry out further spacingly to bluetooth module 400 in the slot, avoid bluetooth module 400 to rock in the slot, have improved the stability of bluetooth module 400 installation.

In addition, be equipped with the through-hole in the middle of the spliced pole 310, be equipped with the line body on bluetooth module 400, the line body passes from the through-hole and with shell and tube 120 in power 130 electric connection, bluetooth module 400 and fingerprint module 500 electric connection, power 130 is the function of bluetooth module 400 and the power supply of fingerprint module 500, and bluetooth module 400 gives electronic equipment with fingerprint module 500's signal transmission to realize that intelligent pen 10 and electronic equipment carry out the function of intercommunication.

Referring to fig. 3 and 4, in an embodiment, in order to prevent the connection column 310 from being connected with the casing 120 insecurely and affecting the stability of the smart pen 10, optionally, first limiting ribs 311 distributed along the circumferential direction of the connection column 310 are disposed on the outer surface of the connection column 310; and/or the outer surface of the connecting column 310 is provided with a plurality of second limiting ribs 312 which are distributed along the axial direction of the connecting column, the number of the second limiting ribs 312 is multiple, and the first limiting ribs 311 and the plurality of second limiting ribs 312 are arranged in a crossed manner.

Specifically, the first limiting rib 311 is convexly arranged on the outer surface of the connecting column 310, and is distributed along the circumferential direction of the connecting column 310, after the connecting column 310 is installed, the first limiting rib 311 on the connecting column 310 enables the connecting column 310 to be fixed in interference fit with the shell tube 120, so that the shell tube 120 and the connecting column 310 are not easy to move relatively along the axial direction of the smart pen 10, and further the situation that the connecting column 310 and the shell tube 120 move relatively to cause loose connection is avoided, and the stability of the smart pen 10 is improved.

Further, the protruding surface of spliced pole 310 of locating of second spacing rib 312, and along the axial distribution of spliced pole 310, after the installation of spliced pole 310 was accomplished, the spacing rib 312 of second on the spliced pole 310 makes spliced pole 310 fixed for interference fit with shell pipe 120, the setting of crossing is present with first spacing rib 311 to a plurality of spacing ribs 312 of second, so that shell pipe 120 and spliced pole 310 are difficult to rotate relatively around the axial direction of smart pen 10, and then avoided spliced pole 310 and shell pipe 120 to rotate relatively and lead to the condition emergence of being connected insecure, the stability of smart pen 10 has been improved.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. A smart pen, comprising:

a pen body having a pen tip;

the shell cover is arranged at one end of the pen body, which is opposite to the pen point, through a connecting piece;

the Bluetooth module is arranged in the shell cover and is connected with one side of the connecting piece; and

the fingerprint module is arranged in the shell cover and above the Bluetooth module, is clamped with the shell cover and is suitable for converting fingerprint information into signals after being collected;

wherein, bluetooth module with fingerprint module electric connection, bluetooth module is used for with fingerprint module's signal transfer gives electronic equipment.

2. The smart pen of claim 1, wherein the housing cover comprises a housing cover tube and a mounting plate, an avoiding opening is formed in the housing cover tube, the mounting plate is detachably mounted in the avoiding opening, and the mounting plate is clamped with the fingerprint module.

3. The smart pen as claimed in claim 2, wherein the pen body comprises a shell tube, the shell tube is connected with the shell cover tube through the connecting piece, the connecting piece is inserted into the shell tube, and the connecting piece is fixed with the shell tube in an interference fit manner.

4. The smart pen of claim 2, wherein the mounting plate comprises a straight plate and an arc-shaped plate connected with the straight plate, and the straight plate is provided with a mounting opening; fingerprint module include the touch-sensitive screen and with touch-sensitive screen electric connection's fingerprint control panel, the fingerprint control panel is located the straight board with between the bluetooth module, the touch-sensitive screen is located in the installation mouth.

5. The smart pen of claim 4, wherein the evasion port is in an arc transition to an end facing away from the casing tube, such that the evasion port is in an arc shape, and the arc shape of the arc plate corresponds to the arc shape of the evasion port.

6. The smart pen according to claim 4, wherein a first hook is disposed at an end of the straight plate facing away from the casing, a slot adapted to the first hook is disposed on the casing cover, and the straight plate is engaged with the casing cover.

7. The smart pen as claimed in claim 4, wherein a second hook is provided on a side of the straight plate facing the fingerprint control plate, and a third hook is provided on a side of the arc plate facing the fingerprint control plate, the second hook and the third hook being adapted to hold the fingerprint control plate.

8. The smart pen of claim 1, wherein the connector comprises a connection post and a mounting portion extending from the connection post, the mounting portion is configured with a slot extending along a length direction thereof, and an insertion opening into which the bluetooth module is inserted is formed at an end of the slot facing away from the connection post.

9. The smart pen of claim 8, wherein the outer surface of the connecting column is provided with first limiting ribs circumferentially distributed along the connecting column; and/or, be equipped with on the surface of spliced pole along its axial distribution's the spacing rib of second, the quantity of the spacing rib of second is a plurality of, first spacing rib is with a plurality of the setting of crossing is presented to the spacing rib of second.

10. The smart pen of claim 8, wherein the mounting portion is configured with limiting protrusions at opposite sides of the slot, and the two limiting protrusions are adapted to fix the bluetooth module.

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