TWI464512B - Ejecting structure of the flash - Google Patents

Description

Flash pop-up structure

The invention relates to a flash pop-up structure, in particular to a flash pop-up structure which is driven by a solenoid valve to be vertically popped.

At present, all kinds of 3C electronic products are designed to be light, thin, short and small. The photographic flash is divided into external and fixed modes, and the high-end digital camera can even use two kinds of flash assist methods at the same time. For a general consumer camera, it is usually the way the flash is attached to the body. The flash fixed body is more likely to cause flash shadows, and even serious defects such as cornering. Therefore, it is necessary to eject the flash to the body to increase the distance between the flash and the lens to avoid the problem of flashing angle. Sometimes the design pursues the appearance of the front side of the beautiful and simple, but also requires the structural design to hide the flash inside the body, the flash is only popped up when there is a need for flash fill light.

The flash pop-up structure is roughly classified; one is divided into two types: manual control bounce and automatic bounce from the control operation, and one is divided into vertical and flip type from the bounce mode. The flash vertical automatic control pop-up structure realizes that the control flash automatically bounces by controlling the solenoid valve switch through the program circuit, and the flash is turned off by manually pressing the flash. The automatic control pop-up structure is internally provided with a solenoid valve reset structure to reset the solenoid valve. To the closed state. However, since the magnetic characteristics of the solenoid valve are greatly affected by the distance of the magnetic valve core, it is necessary to completely rely on the magnetic valve force to control and overcome the spring force of the solenoid valve connecting rod and the flash connecting rod, and the force requirement of the relative solenoid valve is very high. high The strength of the solenoid valve makes the magnetic valve larger and more expensive. How to adapt to the miniaturized body design makes the magnetic valve smaller and accurate reset, and should be studied in detail to improve.

In view of this, it is necessary to provide a flash pop-up structure that can reduce the size of the drive and improve reliability.

The present invention provides a flash pop-up structure, which includes a flash module and a driving module. The flash module is disposed on the driving module, the driving module has a driver, a first driving link, and a second a driving link and a third driving link, the driver is connected to the first driving link, the second driving link is relatively engaged with the flash module by a hook, and the third driving link is connected to the flash mode The flash module has a reset link that is disposed opposite the first drive link.

Compared with the prior art, the flash pop-up structure of the present invention is disposed opposite to the first drive link by the reset link, and the drive is reset by the first drive link when the flash module is closed, thereby avoiding high use. The driver of the magnetic valve has good practical performance for reducing the volume of the drive and improving the stability of the pop-up structure.

10‧‧‧Eject structure

12‧‧‧Flash module

122‧‧‧Flash base

1222‧‧‧second card foot

124‧‧‧Reset connecting rod

1242‧‧‧Reset board

1244‧‧‧ plane

1246‧‧‧ curved surface

126‧‧‧Fixed shaft

1262, 1472‧‧‧ screws

1264‧‧‧torsion spring

128‧‧‧ side panels

14‧‧‧Drive Module

142‧‧‧ drive

1422‧‧‧ iron core

1424, 1454‧‧‧ holes

143‧‧‧First Positioning Plate

1432, 1468‧‧‧ Holes

144‧‧‧First drive link

1442‧‧‧Stud

1444‧‧‧First compression spring

1446‧‧‧Bumps

145‧‧‧Second positioning plate

1452‧‧‧Setting screws

146‧‧‧Second drive link

1462‧‧‧Top block

1464‧‧‧Second compression spring

1466‧‧‧first card foot

147‧‧‧ Third positioning plate

148‧‧‧third drive link

1482‧‧‧ Third compression spring

16‧‧‧Shell

162‧‧‧ channel

164‧‧‧ Groove

166‧‧‧ orientation column

18‧‧‧Hook

A‧‧‧ digital camera

B‧‧‧Flash

1 is a schematic view of an embodiment of a flash pop-up structure of the present invention.

2 is an exploded perspective view of a flash module of the flash pop-up structure of the present invention.

3 is an exploded perspective view of the driving module of the flash pop-up structure of the present invention.

Figure 4 is a cross-sectional view showing the assembly of the flash pop-up structure of the present invention when it is closed.

Figure 5 is a combined cross-sectional view of a third drive link of the flash pop-up structure of the present invention.

Figure 6 is a cross-sectional view showing the assembly of the flash pop-up structure of the present invention when it is popped up.

Figure 7 is a schematic view showing the rotation of the reset link of the flash pop-up structure of the present invention.

Figure 8 is a schematic view showing the resetting action of the reset link of the flash pop-up structure of the present invention.

The present invention will be specifically described below with reference to the accompanying drawings.

Please refer to FIG. 1 , which is a schematic diagram of an embodiment of a flash pop-up structure of the present invention. The flash pop-up structure uses the state of a digital camera A product, and a flash B of the digital camera A has popped up the digital camera A for cooperating with the digital camera A to provide a supplemental light source when capturing images. The flash B can be automatically ejected on the top surface of the digital camera A casing, or the flash B can be retracted and fixed in the top surface of the digital camera A casing by manual pressing. The automatic ejection and retraction fixation of the flash B is accomplished by the operation of the ejection structure 10.

The pop-up structure 10 includes a flash module 12 and a driving module 14. The flash module 12 has the flash B, a flash base 122 and a reset link 124 (shown in FIG. 2). The flash B includes components such as an outer cover, a diffuser, a lamp, a reflector, and an excitation shrapnel. These components belong to a general flash component and will not be described here. The flash B is disposed at an upper end of the flash base 122, and the reset link 124 is disposed at a side of a lower end of the flash base 122. The reset link 124 is pivotally connected to a fixed shaft 126 of the flash base 122. The fixed shaft 126 is locked with a torsion spring 1264 by a screw 1262. The torsion spring 1264 is fastened to the reset link 124. . The reset link 124 has a reset plate 1242. The upper edge of the reset plate 1242 is such that the lower edge of the flat surface 1244 is a curved surface 1246 and protrudes from one side of the flash base 122. The torsion spring 1264 fastened by the reset plate 1242 is hooked on the reset The position of the lower edge of the plate 1242 causes the reset link 124 to continue to have an upward rotation so that the plane 1244 of the reset plate 1242 abuts against the bottom edge of the side plate 128 provided on the side of the flash module 12.

The flash module 12 is disposed on the driving module 14. The driving module 14 has a driver 142, a first driving link 144, a second driving link 146 and a third driving link 148 (as shown in the figure). 3)). The driver 142 is a solenoid valve, and the solenoid valve controls a core 1422 provided by the program circuit to cause the iron core 1422 to generate a telescopic driving operation. The direction of the expansion and contraction of the core 1422 and the direction in which the flash module 12 is bouncing Vertical to each other. The driver 142 is coupled to the first drive link 144. The first drive link 144 is disposed in a slot 162 of the housing 16. The driver 142 is disposed on a side of the casing 16 opposite to the flash module 12 where the reset link 124 is disposed, and then the first drive link 144 and the second drive link 146 are sequentially disposed. Between the driver 142 and the first driving link 144, a hole 1424 of the core 1422 is sleeved on a protrusion 1442 of the first driving link 144 for connection. A first positioning plate 143 is disposed between the core 1422 and the first driving link 144. The first positioning plate 143 has a hole 1432. The hole 1432 provides the protrusion 1442 to pass through. The displacement distance of the first drive link 144. The first positioning plate 143 is a 槽-shaped groove cover, and is fastened to the outer edge of the channel 162. The first driving link 144 is sleeved with a first compression spring 1444 toward the rod end of the driver 142, and a protrusion 1446 is disposed on the end surface of the other end of the second driving link 146. The second driving link 146 has a top block 1462 facing the first driving link 144. The opposite end of the top block 1462 is sleeved with a second compression spring 1464. The second compression spring 1464 is compressed and disposed. The casing 16 has a recess 164. The second compression spring 1464 urges the top block 1462 against the end surface of the first drive link 144 where the bump 1446 is disposed. The second driving link 146 and the flash mode The opposite surface of the group 12 has a first leg 1466, and the first leg 1466 is opposite to the second leg 1222 of the flash module 12 at the lower end of the flash base 122. The latch 1466 and the second latch 1222 form a hook 18 structure. The second driving link 146 is provided with a second positioning plate 145 on the surface of the first leg 1466. The second positioning plate 145 is fixed to the casing 16 by a positioning screw 1452. The positioning screw 1452 passes through the hole 1454 of the second positioning plate 145, and is fixed to the casing 16 through the hole 1468 provided in the second driving link 146, so that the positioning screw 1452 and the hole 1468 The assembly can limit the displacement distance of the second drive link 146. The third driving link 148 is disposed on the casing 16 for a guiding shaft, and the third driving link 148 is disposed in parallel with the fixed column 166 of the casing 16 so that the guiding column 166 is The third driving link 148 forms a guide rail, and the flash module 12 is disposed on the rail. The positioning post 166 and the upper end of the third driving link 148 are provided with a third positioning plate 147 fixed to the casing 16 by screws 1472. A third compression spring 1482 is disposed between the casing 16 and the flash module 12, and the third compression spring 1482 has an operation for driving the flash module 12 to automatically bounce.

Referring to FIG. 4 again, the first leg 1466 and the second leg 1222 opposite to each other form a hook structure 18, and the first leg 1466 and the second leg 1222 are fastened to the hook. The button 18 is in a snap-fit state. At this time, the flash module 12 is fixedly disposed on the driving module 14 and is stored in the casing 16 without protruding from the top surface of the product. When the hook 18 is fastened, the pop-up structure 10 is in a closed state, and the retraction of the flash module 12 causes the third compression spring 1482 to be compressed (as shown in FIG. 5) to be unable to bounce. . The second drive link 146 is acted upon by the tension of the second compression spring 1464 to maintain the snap-fit state of the hook 18. At the same time, the tensile force of the second compression spring 1464 drives the top block 1462 of the second drive link 146 to continue to lean against The first driving link 144 is provided with an end surface of the bump 1446 to maintain a connection with the first driving link 144. At the same time, the first drive link 144 is in a retracted position and the first compression spring 1444 is in a compressed state. The first driving link 144 is held in the retracted position by the electromagnetic attraction of the driver 142 to maintain the position, and does not affect the second compression spring 1464 to maintain the hooking state of the hook 18, and The electromagnetic attraction of the driver 142 while retracting the core 1422 is at an original position of the driver 142. In addition, the reset plate 1242 of the reset link 124 is located below the bump 1446. When the iron core 1422 is in the original position, the electromagnetic attraction of the driver 142 is the strongest, and the tensile force of the compression of the first compression spring 1444 can be overcome, so that the second compression spring 1464 maintains the stable engagement state of the hook 18. . If the core 1422 is not reset to the original position, the electromagnetic attraction of the driver 142 to the core 1422 will be weakened, so that the tension of the first compression spring 1444 may not be overcome, which may affect the hook. The snap-in state of the 18 causes the flash module 12 to be unstable or unable to collect. At present, the actuator solenoid valve has a problem of small automatic resetting force, and the iron core is not reset to the original position, but needs to be solved by increasing the solenoid valve and enhancing the suction force, thereby increasing the cost of the drive and increasing the volume. Big disadvantages.

When the iron core 1422 is in the original position, the driver 142 has the strongest electromagnetic attraction force, and the thrust of the iron core 1422 controlled by the program circuit is also maximized. When the iron core 1422 is pushed outward by the driver 142, the first driving link 144 is simultaneously pushed, and the tensile force of the first compression spring 1444 also acts on the first driving link 144. The thrust of the core 1422 and the tensile force of the first compression spring 1444 are both toward the second drive link 146. Therefore, the first drive link 144 can push the second connected by the top block 1462. Drive link 146. The thrust of the iron core 1422 and the tensile force of the first compression spring 1444 are greater than the second compression spring The stretch of 1464, the second drive link 146 will be pushed to produce a displacement, and the second compression spring 1464 will be compressed. The displacement of the second driving link 146 and the first driving link 144 are limited by the combination of the hole 1432 of the first positioning plate 143 and the positioning screw 1452 of the second positioning plate 145 and the hole 1468. The second driving link 146 and the first driving link 144 have a predetermined displacement distance, wherein the displacement distance of the second driving link 146 drives the second leg 1222 out of the engaged first leg 1466 The buckled state of the hook 18 is brought into a loose state. When the hook 18 is loosened, the tensile force of the third compression spring 1482 drives the flash module 12 to generate an automatic pop-up operation (as shown in FIG. 6). The displacement distance of the flash module 12 is limited by the third positioning plate 147, so that the flash module 12 protrudes from the top surface of the product by a predetermined height. The displacement of the first driving link 144 causes the reset plate 1242 located under the bump 1446 to bounce through the flash module 12, and is located above the bump 1446 after being rotated. Referring to FIG. 7 , the upward bounce operation of the flash module 12 causes the reset link 124 to generate an upward displacement, so that the plane 1244 of the upper edge of the reset plate 1242 is pressed by the bump 1446 to generate a rotating operation. When the rotation angle of the reset plate 1242 allows the bump 1446 to pass, the reset plate 1242 has a switching position above the bump 1446. After the reset plate 1242 is displaced upward through the bump 1446, the reaction force of the torsion spring 1264 rotates the plane 1244 back to the bottom edge of the side plate 128 of the flash module 12 (as shown in FIG. 8). After the flash module 12 is used, the pop-up structure 10 is driven to be in a closed state by pressing the flash module 12. The downward pressing operation of the flash module 12 causes the reset link 124 to move downward, and the downward movement of the reset link 124 drives the oppositely disposed reset plate 1242 and the bump 1446 to abut each other. The reset plate The lower edge arc surface 1246 of the 1242 is pressed against the upper edge surface of the bump 1446. The upper edge surface of the bump 1446 is also a curved surface. The contact pressure of the two curved surfaces enables the reset plate 1242 to smoothly follow the The flash module 12 is moved down. The continuous downward movement of the reset plate 1242 displaces the first drive link 144 driving the bump 1446 toward the driver 142, and the iron core 1422 connected to the first drive link 144 can be pushed back to the This original position of the drive 142. When the iron core 1422 is retracted to the original position, the driver 142 can fix the iron core 1422 with the strongest suction force, and the function of the reset link 124 to assist the reset of the iron core 1422 is achieved. The core 1422 can positively reset the first drive link 144 and can also be properly displaced to a predetermined retracted position, so that the stretched elastic force of the compressed second compression spring 1464 can drive the second drive link 146. The first leg 1466 is again engaged with the second leg 1222 that is moved down with the flash module 12, and the pop-up structure 10 is closed when the hook 18 is engaged as shown in FIG. 4.

In the flash pop-up structure of the present invention, in the operation of pressing the flash module 12, the reset link 124 has the reset plate 1242 that can assist the correct reset of the iron core 1422, so the driver 142 does not need to additionally increase its control expansion and contraction. The operating suction can reduce the installation cost of the driver 142, and can reduce the installation space of the driver 142, and is completely suitable for assembly and use of a thin product casing, and has good and reliable fastening quality.

It should be noted that the above-described embodiments are merely preferred embodiments of the present invention, and those skilled in the art can make other changes within the spirit of the present invention. All changes made in accordance with the spirit of the invention are intended to be included within the scope of the invention.

10‧‧‧Eject structure

12‧‧‧Flash module

14‧‧‧Drive Module

142‧‧‧ drive

1422‧‧‧ iron core

1424, 1454‧‧‧ holes

143‧‧‧First Positioning Plate

1432, 1468‧‧‧ Holes

144‧‧‧First drive link

1442‧‧‧Stud

1444‧‧‧First compression spring

1446‧‧‧Bumps

145‧‧‧Second positioning plate

1452‧‧‧Setting screws

146‧‧‧Second drive link

1462‧‧‧Top block

1464‧‧‧Second compression spring

1466‧‧‧first card foot

147‧‧‧ Third positioning plate

1472‧‧‧ screws

148‧‧‧third drive link

1482‧‧‧ Third compression spring

16‧‧‧Shell

162‧‧‧ channel

164‧‧‧ Groove

166‧‧‧ orientation column

Claims (13)

A flash pop-up structure includes a flash module and a driving module. The flash module is disposed on the driving module, and the driving module has a driver, a first driving link and a second driving link. And a third driving link, the driver is connected to the first driving link, the second driving link is relatively fastened to the flash module by a hook, and the third driving link is connected to the flash module, The flash module has a reset link, and the reset link is disposed opposite to the first drive link, and the reset link is coupled to a fixed shaft of the flash base, and the fixed shaft is locked by a screw A torsion spring is fastened to the reset link. The flash pop-up structure of claim 1, wherein the flash module has a flash and a flash base, the flash is disposed at an upper end of the flash base, and the reset link is disposed on the flash base One side of the lower end of the seat. The flash pop-up structure according to claim 2, wherein the reset link has a reset plate, the upper edge of the reset plate is a plane, and the lower edge is a curved surface, and the reset plate protrudes Located on one side of the flash base, the torsion spring is hooked at a position of a lower edge of the reset plate, and the plane of the reset plate abuts against a bottom edge of a side plate of a side of the flash module. The flash pop-up structure according to claim 3, wherein the driver is a solenoid valve, and the solenoid valve has an iron core, and the direction of the expansion and contraction of the iron core is perpendicular to a direction in which the flash module is popped up. The iron core has a hole that is sleeved on a protruding post of the first driving link. The flash pop-up structure of claim 4, wherein the first driving link is disposed in a slot of a casing, and the casing is disposed on a side of the reset link, the driver The first driving link is sleeved with a first compression spring toward the rod end of the driver. The first driving link is provided with a bump on an end surface of the rod end of the second driving link. The flash pop-up structure of claim 5, wherein the iron core and the first drive link have a first positioning plate disposed, the first positioning plate has a hole, the hole provides the The studs pass through. The flash pop-up structure of claim 6, wherein the first positioning plate is a 槽-shaped slot cover, and the buckle is fixed to an outer edge of the channel. The flash pop-up structure of claim 5, wherein the second drive link has a top block facing the first drive link, and the other end of the top block is sleeved with a second compression spring. The second compression spring is compressed and disposed in a recess of the casing such that the top block abuts against the end surface of the first driving link where the bump is disposed. The flash pop-up structure of claim 8, wherein the second drive link has a first leg arrangement on a surface opposite to the flash module, and the first pin and the flash module are The second leg of the flash base has opposite sides, and the first leg and the second leg form a hook structure. The flashing ejecting structure of claim 9, wherein the second driving link is provided with a second positioning plate on the surface of the first clamping leg, and the second positioning plate is fixed to the machine by a positioning screw. On the casing, the positioning screw passes through a hole provided in the second positioning plate and a hole provided in the second driving link. The flash pop-up structure of claim 5, wherein the third drive link is erected on the casing for a guide shaft, the third drive link and the casing have a certain direction The column is arranged in parallel, and the directional column and the third driving link form a guide rail, and the flash module is disposed on the rail. The flash pop-up structure of claim 11, wherein the orientation post and the upper end of the third drive link have a third positioning plate, and the third positioning plate is fixed to the casing by screws. A third compression spring is disposed between the casing and the flash module. The flash pop-up structure of claim 5, wherein the reset plate of the reset link is disposed opposite to the protrusion of the first drive link, and the lower edge of the reset plate abuts against The upper edge surface of the bump, the upper edge surface of the bump is a curved surface, and the contact of the two curved surfaces drives the core to be pushed back to an original position of the driver.