TWI485553B - Touch tablet system and its fixed module - Google Patents

Description

Touch tablet system and its fixed module

The invention relates to a touch drawing board, and in particular to a touch drawing board system and a fixing module thereof.

The traditional liquid crystal digital tablet, the touch panel and the circuit board and other components are integrated into one, which combines drawing, display and data processing, and is powered by external power or battery, and can be placed on the desktop by the support of the bracket. on. Due to the assembly of many components and structures, the liquid crystal digital tablet is thick and heavy, and is not convenient to carry.

Therefore, it is an object of the present invention to provide a touch panel system and a fixed module thereof, so that the touch panel can be conveniently fixed to the electronic device without relying on an additional bracket to be placed on the desktop.

According to the above object, a fixing module is proposed for fixing a touch drawing tablet to an electronic device. The fixed module includes a base, a left positioning arm, a right positioning arm, a rotating tray, a transmission gear, a synchronizing gear, a gear spring, and an upper positioning arm. The base has a first curved column and a central groove, and the first curved column surrounds the central groove. The left positioning arm and the right positioning arm are connected to each other in a relatively slidable manner, and the left positioning arm and the right positioning arm each have a rack. One side of the rotating tray is fixed to the back of the touch drawing board, the other side of the rotating tray has a shaft column, and the rotating tray has a locking groove. Transmission gear has shaft hole And a second curved column member, the second curved column member surrounds the shaft hole, the shaft column passes through the shaft hole and is rotatably located in the center groove of the base, and the second curved column member and the first curved column member Abut each other. The synchronizing gear has an inner tooth groove and a circular hole, the inner tooth groove surrounds the circular hole, the inner tooth groove is engaged with the transmission gear, and the circular hole is sleeved on the second curved column piece and the first curved column piece which are mutually abutted And the external teeth of the synchronizing gear simultaneously mesh with the racks of the left positioning arm and the right positioning arm, so that the left positioning arm and the right positioning arm can slide in opposite directions synchronously. The gear spring is sleeved on the shaft column and abuts the transmission gear to provide the elastic force required for the transmission gear to mesh with the inner tooth groove. The upper positioning arm is slidably coupled to the base, and the upper positioning arm has a locking pin for locking into a locking groove of the rotating tray. When the touch drawing plate drives the rotating tray to rotate and the second curved column member abuts the first curved column member in the form of the protruding portion and the lower concave portion, the gear spring provides elastic force to mesh the transmission gear with the inner tooth groove, The synchronous gear is driven to rotate, so that the left positioning arm and the right positioning arm slide synchronously to each other to be fixed with the electronic device, and the latch of the upper positioning arm is engaged with the locking groove of the rotating tray. When the touch drawing board drives the rotating tray to rotate in the reverse direction, the left positioning arm and the right positioning arm slide synchronously to move away from each other when rotating to the second curved column and the first curved column to protrude and convex. When the form of the outlet abuts, the transmission gear is disengaged from the inner slot.

According to another embodiment of the invention, the upper positioning arm, the left positioning arm and the right positioning arm each have a hook.

According to another embodiment of the present invention, the hook has an elastic cushioning material for attaching to the electronic device.

According to another embodiment of the present invention, the rotating tray further has an unlocking recess The slot, the angle between the unlocking groove and the locking groove is 90 degrees.

According to another embodiment of the present invention, the second curved column member and the first curved column member are a pair of curved column members having the same shape.

According to another embodiment of the present invention, the base further has a baffle, and the upper positioning arm further has a detent spring, one end of which is connected to the detent and the other end of which is connected to the baffle.

According to another embodiment of the invention, the bayonet spring is a compression spring.

According to another embodiment of the invention, the gear spring is a compression spring.

According to the above object, the present invention further provides a touch panel system comprising an electronic device, a touch panel, and a fixed module. The touch drawing board is electrically connected to the electronic device. The fixed module is located on the back of the touch drawing board for fixing the touch drawing board to the electronic device. The fixed module includes a base, a left positioning arm, a right positioning arm, a rotating tray, a transmission gear, a synchronizing gear, a gear spring, and an upper positioning arm. The base has a first curved column and a central groove, and the first curved column surrounds the central groove. The left positioning arm and the right positioning arm are connected to each other in a relatively slidable manner, and the left positioning arm and the right positioning arm each have a rack. One side of the rotating tray is fixed to the back of the touch drawing board, the other side of the rotating tray has a shaft column, and the rotating tray has a locking groove. The transmission gear has a shaft hole and a second curved column member, the second curved column member surrounds the shaft hole, the shaft column passes through the shaft hole and is rotatably located in the center groove of the base, and the second curved column member and the first A curved column member abuts each other. The synchronizing gear has an inner tooth groove and a circular hole, the inner tooth groove surrounds the circular hole, the inner tooth groove is engaged with the transmission gear, and the circular hole is sleeved on the second curved column member and the first curved column which are abutting each other And the external teeth of the synchronizing gear simultaneously mesh with the racks of the left positioning arm and the right positioning arm, so that the left positioning arm and the right positioning arm can be synchronized Slide in the opposite direction. The gear spring is sleeved on the shaft column and abuts the transmission gear to provide the elastic force required for the transmission gear to mesh with the inner tooth groove. The upper positioning arm is slidably coupled to the base, and the upper positioning arm has a locking pin for locking into a locking groove of the rotating tray. When the touch drawing plate drives the rotating tray to rotate and the second curved column member abuts the first curved column member in the form of the protruding portion and the lower concave portion, the gear spring provides elastic force to mesh the transmission gear with the inner tooth groove, The synchronous gear is driven to rotate, so that the left positioning arm and the right positioning arm slide synchronously to each other to be fixed with the electronic device, and the latch of the upper positioning arm is engaged with the locking groove of the rotating tray. When the touch drawing board drives the rotating tray to rotate in the reverse direction, the left positioning arm and the right positioning arm slide synchronously to move away from each other when rotating to the second curved column and the first curved column to protrude and convex. When the form of the outlet abuts, the transmission gear is disengaged from the inner slot.

According to another embodiment of the present invention, the touch panel system further includes a connection line electrically connected to the touch panel and the electronic device.

It can be seen from the above that the touch panel system of the present invention can capture the left side and the right side of the electronic device by using the fixed module, so that the touch drawing board can be stably positioned on the electronic device without the need of thick support. On the desktop, the overall weight of the plug-in touch panel is reduced, and the portability of the plug-in tablet is improved.

50‧‧‧Electronic devices

52‧‧‧Display Department

100‧‧‧ touch drawing board

101‧‧‧Touch display module

101a‧‧‧Touch display panel

101b‧‧‧Screen housing

102‧‧‧Fixed modules

102a‧‧‧Upper positioning arm

102b‧‧‧Left positioning arm

102c‧‧‧Right positioning arm

103‧‧‧left bracket

103a‧‧‧Rack

103b‧‧‧rails

104‧‧‧right bracket

104a‧‧‧Rack

104b‧‧‧rails

105‧‧‧Upper bracket

105a‧‧‧Kale

106‧‧‧Lesson

107‧‧‧right hook

108‧‧‧Upper hook

108a‧‧‧elastic cushioning material

109‧‧‧Rotating tray

109a‧‧‧Lock groove

109b‧‧‧Unlocking the groove

109c‧‧‧ shaft column

110‧‧‧ Gear Springs

111‧‧‧Transmission gear

111a‧‧‧Axis hole

111b‧‧‧Second curved column

112‧‧‧Synchronous gear

112a‧‧‧ internal cogging

112b‧‧‧ round hole

113‧‧‧Base

113a‧‧‧First curved column

113b‧‧‧Baffle

113c‧‧‧ accommodating slot

113d‧‧‧ center slot

114‧‧‧ hook spring

120‧‧‧Connecting line

The above and other objects, features, advantages and embodiments of the present invention will become more <RTIgt;

2 is a perspective view of an external touch panel in accordance with an embodiment of the invention.

Figure 3 is a fixed module of the external touch drawing tablet of Figure 2.

Fig. 4 is a locked state of the fixed module of Fig. 3.

Fig. 5 is an unlocked state of the fixed module of Fig. 3.

Figure 6 is a perspective view of the left positioning arm and the right positioning arm group standing on the base in accordance with an embodiment of the present invention.

Fig. 7 is a cross-sectional view showing the left positioning arm and the right positioning arm of the sixth drawing.

Fig. 8 is a cross-sectional view taken along line 8-8' of Fig. 5.

Figure 9 is an exploded view of the external touch panel of Figure 2.

Figure 10 is a partial enlarged view of the external touch panel of Figure 2;

Fig. 11 is a perspective enlarged view of the transmission gear of Fig. 10.

Please refer to FIG. 1 , which is a touch drawing board system according to an embodiment of the invention. The touch panel 100 is externally attached to the display portion 52 of an electronic device 50 (for example, a notebook computer) by using the upper positioning arm 102a, the left positioning arm 102b, and the right positioning arm 102c, and electrically connected to the electronic device by using the connecting wire 120. The touch panel 100 is integrated with the touch panel 100 to form a touch panel system. The connecting line 120 enables the touch drawing board 100 to use components such as a processor and a circuit board of the electronic device 50 during operation, and does not need to have related components for drawing processing. However, the present invention does not impose any limitation on this. In other embodiments, the touch drawing tablet 100 can be connected to the electronic device 50 in a wireless communication manner. In addition, since the touch drawing tablet 100 is clamped on the display portion 52 of the electronic device 50, it does not require heavy support. Place it on your desktop.

Please refer to FIG. 1 and FIG. 2 simultaneously. FIG. 2 is a perspective view of an external touch panel according to an embodiment of the invention. The touch panel 100 has a touch display module 101 for providing display and touch functions, so that the user can directly draw on the touch display module 101. The touch panel 100 further includes an upper positioning arm 102a, a left positioning arm 102b, and a right positioning arm 102c, respectively, for clamping the upper side, the left side, and the right side of the display portion 52 of the electronic device 50, so that the touch display module 101 can Firmly positioned on the electronic device 50.

Please refer to FIG. 3 , which is a fixing module of the external touch drawing tablet of FIG. 2 . The fixed module 102 is located on the back of the touch display module 101 for positioning on the display portion 52 of the electronic device 50. The rotating tray 109 of the fixed module 102 is fixed to the back of the touch display module 101 and can rotate synchronously with the touch display module 101. The left positioning arm 102b and the right positioning arm 102c of the fixed module 102 are connected to each other in a relatively slidable manner, and are partially located in the receiving groove 113c of the base 113. The left positioning arm 102b includes a left bracket 103 and a left hook 106 for directly engaging a side of a display portion. The right positioning arm 102c includes a right bracket 104 and a right hook 107 for directly engaging a side of a display portion.

The upper positioning arm 102a of the fixed module 102 is slidably coupled to the base 113. The upper positioning arm 102a includes an upper bracket 105 and an upper hook 108 for directly engaging a side of a display portion. The upper bracket 105 has a bayonet 105a for controlling the rotational position of the rotating tray 109.

Please refer to both Figure 4 and Figure 5, where Figure 4 is Figure 3. The fixed module is locked and unlocked, and FIG. 5 is the unlocked state of the fixed module of FIG. The rotating tray 109 has a locking groove 109a and an unlocking groove 109b. When the latch 105a of the upper bracket 105 is engaged with the locking groove 109a of the rotating tray 109, the left positioning arm 102b and the right positioning arm 102c of the fixed module are not free to slide relative to each other (ie, the left positioning arm 102b and the right positioning arm) 102c is fixed relative to each other, so it is called "locking state". When the latch 105a of the upper bracket 105 is engaged with the unlocking groove 109b of the rotating tray 109, the left positioning arm 102b and the right positioning arm 102c of the fixed module are slidable relative to each other, and thus are referred to as an "unlocked state". In the present embodiment, the locking groove 109a is substantially rectangular and is deeper than the unlocking groove 109b, and the unlocking groove 109b may have a substantially circular arc shape. When the latch 105a of the upper bracket 105 is engaged with the locking recess 109a of the rotating tray 109, even if the rotating tray 109 is applied, it cannot be rotated; and when the latch 105a of the upper bracket 105 is engaged with the unlocking of the rotating tray 109, In the case of the recess 109b, only a certain force is required to disengage the bayonet 105a from the unlocking recess 109b to freely rotate the rotating tray 109. However, the present invention does not impose any limitation on the specific form of the locking groove 109a and the unlocking groove 109b.

In the present embodiment, the latch 105a of the upper bracket 105 is engaged with the locking recess 109a or the unlocking recess 109b of the rotating tray 109 by the elastic force provided by the hook spring 114. One end of the hook spring 114 is coupled to the shutter 113b of the base 113, and the other end is coupled to the bayonet 105a to provide the required spring force. When the user wants to disassemble the touch panel, the user can release the bayonet 105a from the locking recess 109a, and apply the force to the touch panel 100 to drive the rotating tray 109 to rotate in the reverse direction, so that the left positioning arm 102b and the right positioning are performed. Arm 102c Step back slides to move away from each other.

In the present embodiment, the hook spring 114 is a compression spring that stores energy when the hook spring 114 is compressed to provide the desired spring force. In addition to providing the required spring force of the bayonet 105a, the hook spring 114 also provides the spring force required for the upper hook 108 to catch the electronic device.

In this embodiment, the angle difference between the locking groove 109a of the rotating tray 109 and the unlocking groove 109b is preferably 90 degrees. In other words, the rotating tray 109 needs to be rotated by 90 degrees (ie, the touch display module 101 is rotated by 90 degrees). ), in order to allow the fixed module to switch from the locked state to the unlocked state or from the unlocked state to the locked state. The difference in angle between the locking groove 109a and the unlocking groove 109b may be other angles, such as 30 degrees, 45 degrees, or 60 degrees, and is not particularly limited.

Please refer to FIG. 6 and FIG. 7 simultaneously. FIG. 6 is a perspective view of the left positioning arm and the right positioning arm group standing on the base according to an embodiment of the present invention, and FIG. 7 is the left bracket and the right of FIG. A cross-sectional view of the stand when standing. When the left positioning arm 102b and the right positioning arm 102c are assembled on the base 113, the rack 103a of the left bracket 103 is engaged with one side of the synchronizing gear 112 and the rack 104a of the right bracket 104 is also engaged with the other side of the synchronizing gear 112. When the positioning arm slides, the synchronous gear 112 can synchronously drive the other positioning arm to slide in the opposite direction, and the left positioning arm 102b and the right positioning arm 102c slide synchronously. The left bracket 103 and the right bracket 104 are coupled by the connection of the slide rails (103b; 104b) on both sides thereof, so that the left bracket 103 and the right bracket 104 are connected in a relatively slidable manner.

Please also refer to Figure 8 and Figure 9, where Figure 8 is along the 5th. Fig. 9 is a cross-sectional view of the hatching of the 8-8', and Fig. 9 is an exploded view of the plug-in type drawing board of Fig. 2. The touch display panel 101a in FIG. 9 is combined with the screen casing 101b to become the touch display module 101 in FIG. In the fixing module 102 shown in FIG. 8, the latch 105a of the upper bracket 105 is engaged in the locking groove 109a of the rotating tray 109, and the external teeth of the transmission gear 111 mesh with the internal slots of the synchronous gear 112. Therefore, the left bracket 103 and the right bracket 104 cannot slide relative to each other, and the fixed module 102 is in a "locked state". In this "locking state", the transmission gear 111 meshes the external teeth with the internal slots of the synchronizing gear 112 by the elastic force of the gear spring 110. The gear spring 110 is sleeved on the shaft post 109c of the rotating tray 109, and is located between the rotating tray 109 and the transmission gear 111, and abuts the transmission gear 111. In the present embodiment, the gear spring 110 is a compression spring that stores energy to provide the spring force or thrust required for the transmission gear 111 to mesh with the internal tooth groove of the synchronization gear 112 when the gear spring 110 is compressed. In addition, the upper hook 108 and the remaining hooks can also be selectively provided with an elastic cushioning material 108a for engaging with the electronic device, so that the hook can be clamped more firmly and avoided when the hook is clamped on the display portion of the electronic device. Scratch the border of the display.

Please refer to FIG. 10 and FIG. 11 at the same time, wherein FIG. 10 is a partial enlarged view of the external touch type drawing board of FIG. 2, and FIG. 11 is a perspective enlarged view of the transmission gear of FIG. 10, FIG. The transmission gear 111 is the opposite side of the transmission gear 111 of Fig. 10. The base 113 has a receiving groove 113c. The receiving groove 113c has a first curved column member 113a and a central groove 113d. The first curved column member 113a surrounds the central groove 113d. One side of the rotating tray 109 is fixed to the back of the touch display module, and the other mask There is a shaft column 109c. The transmission gear 111 has a shaft hole 111a and a second curved column member 111b, and the second curved column member 111b surrounds the shaft hole 111a. The shaft post 109c passes through the shaft hole 111a and is rotatably located in the center groove 113d of the base 113. The second curved cylindrical member 111b of the transmission gear 111 is used to abut against the first curved cylindrical member 113a of the base 113. The interaction of the two curved cylindrical members controls the transmission gear 111 to mesh with the synchronous gear 112 or the transmission gear 111. The spring force of the gear spring 110 is released from the synchronizing gear 112. The gear spring 110 is sleeved on the shaft post 109c to provide the spring force (ie, thrust) required for the transmission gear 111 to mesh with the synchronizing gear 112. The synchronizing gear 112 has an inner tooth groove 112a and a circular hole 112b, and the inner tooth groove 112a surrounds the circular hole 112b. The inner tooth groove 112a is for engaging with the outer teeth of the transmission gear 111, and the circular hole 112b is sleeved with the second curved columnar piece 111b and the first curved column piece 113a which are connected to each other. In the present embodiment, the second curved columnar member 111b and the first curved columnar member 113a are a pair of curved cylindrical members having the same outer shape, but the curved cylindrical member is not limited to the outer shape in the drawing. When the second curved cylindrical member 111b and the first curved cylindrical member 113a are rotated to abut against the protruding portion, the external teeth of the transmission gear 111 are disengaged from the internal gullets 112a of the synchronous gear 112, so that The transmission gear 111 and the synchronizing gear 112 are independently rotatable and not synchronized with each other. When the second curved cylindrical member 111b and the first curved cylindrical member 113a are rotated to abut the convex portion and the lower concave portion, the external teeth of the transmission gear 111 mesh with the internal gullet 112a of the synchronous gear 112, so that the transmission The gear 111 can drive the synchronizing gear 112 to rotate synchronously, so that the rotating tray 109, the transmission gear 111 and the synchronizing gear 112 can rotate synchronously. At this time, the rotating tray 109 can drive the left positioning arm and the right positioning arm to slide in opposite directions to each other and the electronic device. The rotating tray 109 is fixed or reversely rotated, and the left positioning arm and the right positioning arm are synchronously slid in opposite directions to move away from each other and away from the electronic device.

According to the embodiment of the present invention, the touch panel system of the preferred embodiment of the present invention can capture the upper side, the left side, and the right side of the display portion of the electronic device by using the fixed module, so that the touch display module can be stabilized. It is placed on the electronic device without being supported by a thick bracket and placed on the tabletop. This reduces the overall weight of the plug-in touch panel and enhances the portability of the plug-in touch panel.

While the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and the invention may be modified and modified in various ways without departing from the spirit and scope of the invention. The scope is subject to the definition of the scope of the patent application attached.

50‧‧‧Electronic devices

52‧‧‧Display Department

100‧‧‧ touch drawing board

102a‧‧‧Upper positioning arm

102b‧‧‧Left positioning arm

102c‧‧‧Right positioning arm

120‧‧‧Connecting line

Claims (10)

a fixing module for fixing a touch drawing tablet to an electronic device, the fixing module comprising: a base having a first curved column member and a central groove, the first curved column member surrounding the central groove; The left positioning arm and the right positioning arm are connected to each other in a relatively slidable manner, and the left positioning arm and the right positioning arm each have a rack; the rotating tray has one side fixed to the back of the touch drawing board and the other side having an axis a column, and the rotating tray has a locking groove; the transmission gear has a shaft hole and a second curved column member, the second curved column member surrounds the shaft hole, and the shaft column passes through the shaft hole and is rotatable The second curved column member and the first curved column member abut each other; the synchronous gear has an inner tooth groove and a circular hole, and the inner tooth groove surrounds the circular hole. The inner tooth groove is configured to mesh with the transmission gear, the circular hole is sleeved on the second curved column member and the first curved column member abutting each other, and the outer teeth of the synchronous gear mesh simultaneously with the left side Positioning the rack and the rack of the right positioning arm to cause the left positioning a reverse sliding synchronous with the right positioning arm; a gear spring sleeved on the shaft post and abutting the transmission gear for providing an elastic force required for the transmission gear to mesh with the internal tooth groove; and an upper positioning arm Slidably connected to the base, the upper positioning arm has a locking pin for engaging the locking groove of the rotating tray, wherein when the touch drawing tablet drives the rotating tray to rotate and the second piece When the surface cylindrical member and the first curved cylindrical member abut on the convex portion and the lower concave portion, the gear spring provides an elastic force to engage the transmission gear with the internal tooth groove to drive the synchronous gear to rotate, so that the The left positioning arm and the right positioning arm slide in opposite directions to be fixed to the electronic device, and the latch of the upper positioning arm is engaged with the locking groove of the rotating tray, and when the touch drawing board drives the rotating tray When rotating, the left positioning arm and the right positioning arm slide in opposite directions synchronously to move away from each other when rotating to the second curved column member and the first curved column member in the form of a protrusion and a protrusion When connected, the transmission gear is disengaged from the internal slot. The fixing module of claim 1, wherein the upper positioning arm, the left positioning arm and the right positioning arm each have a hook. The fixing module of claim 2, wherein the hook has an elastic cushioning material for attaching to the electronic device. The fixing module of claim 1, wherein the rotating tray further has an unlocking groove, and an angular difference between the unlocking groove and the locking groove is 90 degrees. The fixing module of claim 1, wherein the second curved column member and the first curved column member are a pair of curved cylindrical members having the same shape. The fixing module of claim 1, wherein the base further has a baffle, and the upper positioning arm further has a detent spring, one end of which is connected to the detent and the other end of which is connected to the baffle. The fixing module of claim 6, wherein the bayonet spring is a compression spring. The fixing module of claim 1, wherein the gear spring is a compression spring. A touch panel system includes: an electronic device; a touch drawing board electrically connected to the electronic device; and a fixed module located at a back of the touch drawing board for fixing the touch drawing board to the electronic In the device, the fixing module comprises: a base having a first curved column and a central groove, the first curved column surrounding the central groove; the left positioning arm and the right positioning arm are connected to each other in a relatively sliding manner The left positioning arm and the right positioning arm each have a rack; the rotating tray has one side fixed to the back surface of the touch drawing board, the other side has a shaft column, and the rotating tray has a locking groove; the transmission gear, Having a shaft hole and a second curved column member, the second curved column member surrounds the shaft hole, the shaft column passes through the shaft hole and is rotatably located in the center groove of the base, the second curved column Shape and the first curved column The synchronous gear has an inner tooth groove and a circular hole, and the inner tooth groove surrounds the circular hole, the inner tooth groove is for meshing with the transmission gear, and the circular hole is sleeved to abut each other. The second curved column member and the first curved column member, and the external teeth of the synchronous gear mesh simultaneously with the rack of the left positioning arm and the right positioning arm, such that the left positioning arm and the right positioning arm Synchronous reverse sliding; a gear spring sleeved on the shaft post and abutting the transmission gear for providing the elastic force required for the transmission gear to mesh with the internal tooth groove; and an upper positioning arm slidably coupled In the base, the upper positioning arm has a locking pin for engaging the locking groove of the rotating tray, wherein the rotating drawing plate drives the rotating tray to rotate and the second curved column and the first curved surface When the column member abuts the convex portion and the lower concave portion, the gear spring provides an elastic force to engage the transmission gear with the inner tooth groove to drive the synchronous gear to rotate, so that the left positioning arm is synchronized with the right positioning arm Sliding toward each other to be fixed to the electronic device, The latching pin of the positioning arm is engaged with the locking groove of the rotating tray. When the touch drawing tablet drives the rotating tray to rotate in the reverse direction, the left positioning arm and the right positioning arm slide in opposite directions to move away from each other. When the rotation to the second curved column member abuts the first curved column member in the form of a projection and a projection, the transmission gear is disengaged from the internal tooth groove. The touch panel system of claim 9, further comprising a connecting wire electrically connected to the touch drawing board and the electronic device.