阅读说明：本技术 一种具有自动擦拭功能的储存卡usb装换器 (Memory card USB changer with automatic wiping function ) 是由 顾言 于 2020-12-18 设计创作，主要内容包括：本发明公开的一种具有自动擦拭功能的储存卡USB装换器,包括数据转换壳体和安装调节体,所述数据转换壳体固设在所述安装调节体的左侧面,所述数据转换壳体内开设有矩形腔,所述矩形腔内壁固定安装有数据转换器,所述数据转换器的左侧电性连接设有USB插口,所述USB插口延伸部分伸出外界,本发明不仅能够插入安装多个不同的SD储存卡,还能在安装SD储存卡时及时清理数据输出块表面的灰尘,极大地减少无法电性连接故障的问题发生,同时,通过弧形压块的压紧和夹紧块的夹紧,使得SD储存卡被安装的更加稳定,连接状态更好。(The invention discloses a storage card USB (universal serial bus) changer with an automatic wiping function, which comprises a data conversion shell and an installation adjusting body, wherein the data conversion shell is fixedly arranged on the left side surface of the installation adjusting body, a rectangular cavity is formed in the data conversion shell, a data converter is fixedly arranged on the inner wall of the rectangular cavity, a USB socket is electrically connected to the left side of the data converter, and the extending part of the USB socket extends out of the outside.)

1. The utility model provides a memory card USB dress changer with automatic function of wiping, includes data conversion casing and installation regulating body, its characterized in that: the data conversion shell is fixedly arranged on the left side surface of the installation adjusting body, a rectangular cavity is formed in the data conversion shell, a data converter is fixedly installed on the inner wall of the rectangular cavity, a USB socket is electrically connected to the left side of the data converter, the extending part of the USB socket extends out of the outside, an installation mechanism capable of being used for three different SD memory cards is arranged in the installation adjusting body, the installation mechanism comprises an insertion cavity with an upward opening and distributed in an arc array, a moving cavity and a clamping cavity are communicated to the right side of the insertion cavity, the clamping cavity is positioned on the lower side of the moving cavity, a moving block is arranged on the inner wall of the moving cavity in a left-right sliding mode, a wiping block is fixedly arranged on the side surface of the moving block close to the insertion cavity, the extending part of the wiping block extends into the insertion cavity and can be in contact with the SD memory cards and the data, the extension part of the clamping block extends into the insertion cavity and can clamp the SD memory card, the moving cavity is communicated with the clamping cavity, a fixing rope is fixedly connected between the moving block and the right side face of the clamping block, the moving block is provided with an upward opening, a moving column is arranged between the upper inner walls of the moving block in a sliding mode up and down mode, the extension part of the moving column extends out of the outside, a top block is fixedly arranged on the top face of the moving column, a buckle cavity with an opening facing left is formed in the moving column, a limiting cavity with an opening facing right is formed in the moving block, and the moving column can extend into the limiting cavity and is connected with the inner wall of the limiting cavity in a buckling mode;

the installation adjusting body is internally provided with an adjusting mechanism which can be rotationally adjusted and electrically connected with the SD memory card in different ways, the adjusting mechanism comprises an adjusting cavity, the adjusting cavity is communicated with the three inserting cavities, the front wall of the adjusting cavity is rotationally provided with an adjusting disc, the adjusting disc is internally provided with a telescopic cavity with an upward opening, the inner wall of the telescopic cavity is provided with a sliding block in a sliding way, the top surface of the sliding block is fixedly provided with a sliding column, the extending part of the sliding column extends into the adjusting cavity, the inner wall of the left side of the sliding column is fixedly embedded with a data connecting sheet, the data connecting sheet can be electrically connected with the data output block, the data connecting sheet is electrically connected with the data converter, the arc array on the arc wall at the top of the adjusting cavity is fixedly provided with three fixed tables, the right side surface of each fixed table is fixedly provided with a fixed block, the elevator with fixed mounting has a lifting spring between the fixed block, SD memory card bottom surface can with the elevator butt, the control chamber has been seted up in the regulation intracavity, the control chamber is located flexible chamber rear side, it is equipped with the camshaft to adjust the rotation of chamber back wall, camshaft front side extension portion stretches into in the control chamber, and its with adjusting disk inner wall gap connects, is located in the control intracavity the camshaft periphery has set firmly the cam.

2. The storage card USB changer of claim 1, wherein the USB changer comprises: the top surface of the installation adjusting body is fixedly provided with supporting blocks distributed in three circular arc arrays, the supporting blocks are located on the right side of the insertion cavity, the front side face of each supporting block is provided with a connecting rod in a rotating mode, a cavity is formed in each connecting rod, an arc-shaped pressing block is fixedly arranged on the left side face of each connecting rod and can be abutted to the top surface of the SD memory card, the moving column is hinged to the connecting rod in the cavity, and a reset spring is fixedly installed between the bottom surface of the top block and the top surface of the installation adjusting body.

3. The storage card USB changer of claim 2, wherein the USB changer comprises: an extension spring is fixedly installed between the right side face of the moving block and the right wall of the moving cavity, and a clamping spring is fixedly installed between the right wall of the clamping cavity and the right side face of the clamping block.

4. The storage card USB changer of claim 3, wherein said USB changer comprises: the rear side of the adjusting cavity is provided with a gear cavity, the rear side extension part of the cam shaft is positioned in the gear cavity, the right wall of the gear cavity is provided with a rotating shaft in a rotating manner, the extension part of the rotating shaft extends out of the outside, the periphery of the extension part of the rotating shaft is fixedly provided with a rotating disc, the rotating shaft is connected with the cam shaft in a transmission manner and is provided with a transmission bevel gear set, the rear wall of the control cavity is provided with a ratchet shaft in a rotating manner, the periphery of the ratchet shaft is fixedly provided with a ratchet set, the periphery of the cam shaft positioned in the control cavity is fixedly provided with a sector gear which can be meshed with the connection gear, the front wall of the control cavity is provided with a driven shaft in a rotating manner, the rear side of the driven shaft is connected with the ratchet set in a power manner, the periphery of the driven shaft is, the control cavity is communicated with the telescopic cavity, and the extension part of the pull rope extends into the telescopic cavity and is fixedly connected with the bottom surface of the sliding block.

5. The storage card USB changer of claim 4, wherein said USB changer comprises: the inner wall in control chamber sets firmly restriction piece and linkage piece, the restriction piece with the linkage piece homoenergetic with the cam butt, the bottom surface of slider with fixed mounting has expanding spring between the diapire in flexible chamber.

Technical Field

The invention relates to the related field of memory cards, in particular to a USB changer for a memory card with an automatic wiping function.

Background

In modern life, many household or mobile terminals can use an SD memory card to store more data, but the SD memory card generally cannot be connected with a common computer, a USB converter is needed, many USB converters on the market have poor connection stability, and when different memory cards are replaced, the operation is troublesome, and in addition, the memory card can be stained with dust, which can cause the problem that the electrical connection cannot be realized.

Disclosure of Invention

In order to solve the above problems, the present embodiment designs a storage card USB changer with an automatic wiping function, which comprises a data conversion housing and an installation adjusting body, wherein the data conversion housing is fixedly arranged on the left side surface of the installation adjusting body, a rectangular cavity is formed in the data conversion housing, a data converter is fixedly arranged on the inner wall of the rectangular cavity, a USB socket is electrically connected to the left side of the data converter, the extending part of the USB socket extends out of the outside, an installation mechanism for three different SD storage cards is arranged in the installation adjusting body, the installation mechanism comprises an insertion cavity with an upward opening and distributed in an arc array, a moving cavity and a clamping cavity are communicated with the right side of the insertion cavity, the clamping cavity is located at the lower side of the moving cavity, a moving block is arranged on the inner wall of the moving cavity in a left-right sliding manner, and a wiping block is fixedly arranged on, the extension part of the wiping block extends into the insertion cavity and can be in contact with the SD memory card and the data output block, the inner wall of the clamping cavity is provided with a clamping block in a left-right sliding mode, the extension part of the clamping block extends into the insertion cavity and can clamp the SD memory card, the moving cavity is communicated with the clamping cavity, a fixed rope is fixedly connected between the moving block and the right side face of the clamping block, the moving block is provided with an upward opening, a moving column is arranged between the inner walls of the upper side of the moving block in an up-down sliding mode, the extension part of the moving column extends out of the outside, a top block is fixedly arranged on the top face of the extending column, a clamping cavity with an opening facing left is formed in the moving column, a limiting cavity with an opening facing right is formed in the moving block, the moving column can extend into the limiting cavity and is connected with the inner wall of the limiting cavity in a clamping mode, and an adjusting mechanism capable of performing rotary adjustment and, the adjusting mechanism comprises an adjusting cavity which is communicated with three inserting cavities, an adjusting disc is rotatably arranged on the front wall of the adjusting cavity, a telescopic cavity with an upward opening is arranged in the adjusting disc, a sliding block is arranged on the inner wall of the telescopic cavity in a sliding manner, a sliding column is fixedly arranged on the top surface of the sliding block, the extending part of the sliding column extends into the adjusting cavity, a data connecting sheet is fixedly embedded in the inner wall of the left side of the adjusting disc, the data connecting sheet can be electrically connected with the data output block, the data connecting sheet is electrically connected with the data converter, three fixed tables are fixedly distributed and arranged on the arc-shaped wall of the top of the adjusting cavity in an arc array manner, a fixed block is fixedly arranged on the right side surface of each fixed table, a lifting block is arranged on the right side surface of each fixed table in a sliding manner, a lifting spring is fixedly arranged between each lifting block and the, the control chamber has been seted up in the regulation intracavity, the control chamber is located flexible chamber rear side, it is equipped with the camshaft to adjust the rotation of chamber back wall, camshaft front side extension extends into in the control chamber, and its with adjusting disk inner wall gap connection is located the control intracavity the camshaft periphery has set firmly the cam.

Preferably, the top surface of the installation adjusting body is fixedly provided with supporting blocks distributed in three circular arc arrays, the supporting blocks are located on the right side of the insertion cavity, the front side surface of each supporting block is provided with a connecting rod in a rotating mode, a cavity is formed in each connecting rod, an arc-shaped pressing block is fixedly arranged on the left side surface of each connecting rod, each arc-shaped pressing block can be abutted to the top surface of the SD memory card, the movable column is hinged to the corresponding connecting rod in the cavity, and a reset spring is fixedly arranged between the bottom surface of the top block and the top surface of the installation adjusting body.

Preferably, an extension spring is fixedly installed between the right side surface of the moving block and the right wall of the moving cavity, and a clamping spring is fixedly installed between the right wall of the clamping cavity and the right side surface of the clamping block.

Preferably, a gear cavity is formed in the rear side of the adjusting cavity, the rear extending portion of the cam shaft is located in the gear cavity, a rotating shaft is arranged on the right wall of the gear cavity in a rotating mode, the extending portion of the rotating shaft extends out of the outside, a rotating disk is fixedly arranged on the periphery of the rotating shaft, a transmission bevel gear set is arranged between the rotating shaft and the cam shaft in a transmission connection mode, a ratchet shaft is arranged on the rear wall of the control cavity in a rotating mode, a connecting gear is fixedly arranged on the periphery of the ratchet shaft, a ratchet wheel set is fixedly mounted on the front side face of the ratchet shaft, a sector gear is fixedly arranged on the periphery of the cam shaft located in the control cavity and can be meshed with the connecting gear, a driven shaft is arranged on the front wall of the control cavity in a rotating mode, the rear side face of the driven shaft is connected with the ratchet wheel set in a, the control cavity is communicated with the telescopic cavity, and the extension part of the pull rope extends into the telescopic cavity and is fixedly connected with the bottom surface of the sliding block.

Preferably, the inner wall of the control cavity is fixedly provided with a limiting block and a linkage block, the limiting block and the linkage block can be abutted against the cam, and a telescopic spring is fixedly arranged between the bottom surface of the sliding block and the bottom wall of the telescopic cavity.

The invention has the beneficial effects that: the SD memory card fixing device can insert and install a plurality of different SD memory cards, can clean dust on the surface of the data output block in time when the SD memory cards are installed, greatly reduces the problem of failure of electric connection, meanwhile, enables the SD memory cards to be installed more stably and to be in a better connection state through the compression of the arc-shaped pressing block and the clamping of the clamping block, can rotate and adjust the connection state with different SD memory cards through the adjusting mechanism, is convenient to operate, can save the operation of manually replacing the memory cards, and is more convenient to use.

Drawings

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

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the internal structure of the control chamber in the present invention.

Fig. 3 is a schematic diagram of the structure C-C in fig. 2.

Fig. 4 is an enlarged schematic view of a in fig. 1.

Fig. 5 is an enlarged schematic view of B in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a storage card USB changer with an automatic wiping function, which comprises a data conversion shell 11 and an installation adjusting body 15, wherein the data conversion shell 11 is fixedly arranged on the left side surface of the installation adjusting body 15, a rectangular cavity 12 is arranged in the data conversion shell 11, a data converter 14 is fixedly arranged on the inner wall of the rectangular cavity 12, a USB socket 13 is electrically connected to the left side of the data converter 14, the extending part of the USB socket 13 extends out of the outside, an installation mechanism 101 capable of being used for three different SD storage cards 49 is arranged in the installation adjusting body 15, the installation mechanism 101 comprises an insertion cavity 26 with an upward opening and distributed in an arc array, a moving cavity 54 and a clamping cavity 58 are communicated with the right side of the insertion cavity 26, the clamping cavity 58 is positioned on the lower side of the moving cavity 54, a moving block 52 is arranged on the inner wall of the moving cavity 54 in a left-right sliding manner, and a wiping block 51 is fixedly arranged on the side, the extension part of the wiping block 51 extends into the insertion cavity 26 and can be in contact with the SD memory card 49 and the data output block 62, the clamping block 60 is arranged on the inner wall of the clamping cavity 58 in a left-right sliding manner, the extension part of the clamping block 60 extends into the insertion cavity 26 and can clamp the SD memory card 49, the moving cavity 54 is communicated with the clamping cavity 58, the moving block 52 is fixedly connected with the right side surface of the clamping block 60 through a fixing rope 57, the moving block 52 is upwardly opened, the moving column 46 is arranged on the upper inner wall of the moving block 52 in a vertical sliding manner, the extension part of the moving column 46 extends out of the outside, the top surface of the moving column is fixedly provided with a top block 45, a buckling cavity 53 with an opening facing left is formed in the moving column 46, a limiting cavity 55 with an opening facing right is formed in the moving block 52, the moving column 46 can extend into the limiting cavity 55 and is buckled with the inner wall of the limiting cavity 55, the installation adjusting body 15 is internally provided with an adjusting mechanism 102 which can be rotationally adjusted to electrically connect different SD memory cards 49, the adjusting mechanism 102 comprises an adjusting cavity 16, the adjusting cavity 16 is communicated with three inserting cavities 26, the front wall of the adjusting cavity 16 is rotatably provided with an adjusting disc 17, the adjusting disc 17 is internally provided with a telescopic cavity 20 with an upward opening, the inner wall of the telescopic cavity 20 is provided with a sliding block 23 in a sliding manner, the top surface of the sliding block 23 is fixedly provided with a sliding column 24, the extending part of the sliding column 24 extends into the adjusting cavity 16, a data connecting sheet 61 is fixedly embedded in the inner wall of the left side of the sliding column 24, the data connecting sheet 61 can be electrically connected with a data output block 62, the data connecting sheet 61 is electrically connected with the data converter 14, three fixed tables 25 are fixedly distributed and arranged on the arc-shaped wall of the top of the adjusting cavity 16 in an arc-shaped wall, and a fixed block 65 is fixedly, fixed station 25 right flank slides and is equipped with elevator 63, elevator 63 with fixed mounting has lifting spring 64 between the fixed block 65, SD memory card 49 bottom surface can with elevator 63 butt, control chamber 29 has been seted up in adjusting chamber 16, control chamber 29 is located flexible chamber 20 rear side, it is equipped with camshaft 31 to adjust chamber 16 back wall rotation, camshaft 31 front side extension part extends into in the control chamber 29, and its with adjusting disk 17 inner wall gap connection is located in the control chamber 29 camshaft 31 periphery has set firmly cam 30.

Advantageously, the top surface of the installation adjustment body 15 is fixedly provided with three support blocks 44 distributed in an arc array, the support blocks 44 are located at the right side of the insertion cavity 26, the front side surface of the support blocks 44 is rotatably provided with a connecting rod 43, a cavity 48 is formed in the connecting rod 43, the left side surface of the connecting rod 43 is fixedly provided with an arc pressing block 42, the arc pressing block 42 can be abutted against the top surface of the SD memory card 49, the moving column 46 and the connecting rod 43 are hinged in the cavity 48, a return spring 47 is fixedly installed between the bottom surface of the top block 45 and the top surface of the installation adjustment body 15, when the SD memory card 49 is installed, the SD memory card 49 is manually inserted into the insertion cavity 26, at this time, the SD memory card 49 can be made to push the arc pressing block 42 to rotate towards the insertion cavity 26 side, the connecting rod 43 can be made to drive the moving column 46 to ascend, when the SD memory card 49 is completely inserted into the insertion cavity 26, by the elastic action of the return spring 47, the arc-shaped pressing block 42 can be made to be ejected to the top surface of the SD memory card 49 and press against the SD memory card 49, at this time, the bottom surface of the SD memory card 49 abuts against the top surface of the lifting block 63, and the lifting spring 64 is in a compressed state.

Advantageously, an extension spring 56 is fixedly installed between the right side surface of the moving block 52 and the right wall of the moving chamber 54, a clamping spring 59 is fixedly installed between the right wall of the clamping chamber 58 and the right side surface of the clamping block 60, when the SD memory card 49 is inserted downwards into the insertion chamber 26, the moving column 46 is lifted, the inner wall of the latching chamber 53 is made to drive the moving block 52 to move leftwards, so that the wiping block 51 can be made to contact the SD memory card 49, the wiping block 51 can be made to wipe dust on the surface of the data output block 62, and then the problem that the data output block 62 is hard to be electrically connected due to dust or much on the surface can be prevented, meanwhile, the moving block 52 can pull the clamping block 60 to move rightwards to be loosened by the fixing rope 57, when the SD memory card 49 reaches the bottommost and the arc-shaped pressing block 42 presses the SD memory card 49, at this time, the moving block 52 is reset to move rightwards, and the clamping block 60 can clamp the SD memory card 49 through the clamping spring 59, so that the SD memory card 49 can achieve strong stability.

Advantageously, a gear chamber 37 is provided on the rear side of the adjusting chamber 16, a rear extension of the cam shaft 31 is located in the gear chamber 37, a right wall of the gear chamber 37 is rotatably provided with a rotating shaft 19, an extension of the rotating shaft 19 extends outside and is fixedly provided with a rotating disc 18 at the outer periphery thereof, a transmission bevel gear set 38 is provided in transmission connection between the rotating shaft 19 and the cam shaft 31, a rear wall of the control chamber 29 is rotatably provided with a ratchet shaft 39, a connecting gear 40 is fixedly provided at the outer periphery of the ratchet shaft 39, a ratchet set 41 is fixedly provided at the front side of the ratchet shaft 39, a sector gear 32 is fixedly provided at the outer periphery of the cam shaft 31 located in the control chamber 29, the sector gear 32 can be meshed with the connecting gear 40, a driven shaft 36 is rotatably provided at the front wall of the control chamber 29, and the rear side of the driven shaft 36 is in power connection with the ratchet, a reel 35 is fixedly arranged on the periphery of the driven shaft 36, a pull rope 22 is wound on the periphery of the reel 35, the control cavity 29 is communicated with the telescopic cavity 20, the extension part of the pull rope 22 extends into the telescopic cavity 20 and is fixedly connected with the bottom surface of the slide block 23, when the electrical connection with the data output block 62 of different SD memory cards 49 needs to be adjusted, the rotating disc 18 is manually rotated clockwise, the rotating shaft 19 can drive the cam shaft 31 to rotate clockwise, so that the cam 30 and the sector gear 32 can rotate clockwise, when the sector gear 32 is meshed with the connecting gear 40, the sector gear 32 can drive the ratchet shaft 39 to rotate clockwise, so that the driven shaft 36 can drive the reel 35 to wind the pull rope 22 clockwise, so that the slide block 23 and the slide column 24 can be pulled to move downwards by the pull rope 22, the data connection 61 can now be disconnected from the initial data output block 62, and the slide 24 can be retracted into the telescopic chamber 20, so that the adjusting disk 17 can now be rotated clockwise into the adjusting position.

Advantageously, a limiting block 28 and a linkage block 33 are fixedly arranged on the inner wall of the control cavity 29, both the limiting block 28 and the linkage block 33 can be abutted against the cam 30, a telescopic spring 21 is fixedly arranged between the bottom surface of the sliding block 23 and the bottom wall of the telescopic cavity 20, when the sliding column 24 is folded into the telescopic cavity 20, the sector gear 32 and the connecting gear 40 are disengaged, the sliding column 24 can be ejected towards the adjusting cavity 16 through the telescopic spring 21, the top surface of the sliding column 24 can be abutted against the bottom surface of the fixed table 25 or the arc-shaped wall at the bottom of the adjusting cavity 16, the cam 30 can be abutted against the linkage block 33 through continuous clockwise rotation of the cam shaft 31, the cam 30 can drive the adjusting disc 17 to rotate clockwise, and the adjusting disc 17 can be rotated to a position to be adjusted, when the adjusting disk 17 rotates to a desired position, the sliding column 24 can be inserted into the channel on the right side of the fixed station 25, and then the data connecting sheet 61 can be electrically connected with different data output blocks 62, when the adjusting disk 17 rotates away from the rightmost fixed station 25, the rotating disk 18 is only required to be continuously rotated to enable the adjusting disk 17 to rotate to enable the sliding column 24 to be inserted into the channel on the right side of the fixed station 25 again, at this time, the rotating disk 18 is rotated anticlockwise, the cam shaft 31 can drive the cam 30 to rotate to be in contact with the limiting block 28 for resetting, when the cam shaft 31 rotates anticlockwise, the driven shaft 36 does not move, and because the sliding column 24 is inserted into the channel on the right side of the fixed station 25, at this time, the cam 30 cannot rotate the adjusting disk 17 anticlockwise when being in contact with the limiting block 28, and then the effect of resetting and positioning can be achieved.

The following describes in detail the usage steps of a storage card USB changer with automatic wiping function in this document with reference to fig. 1 to 5:

in the initial state, the cam 30 is in contact with the limiting block 28, the sector gear 32 is in contact with the connecting gear 40, the inner wall of the left side of the limiting cavity 55 is abutted to the right wall of the buckling cavity 53, the extension spring 56 and the clamping spring 59 are in a relaxed state, the left side surface of the clamping block 60 is positioned in the inserting cavity 26, and the arc-shaped pressing block 42 is in a tilted state.

When installing the SD memory card 49, manually inserting the SD memory card 49 into the insertion cavity 26, at this time, making the SD memory card 49 push the arc-shaped pressing block 42 to rotate towards the insertion cavity 26 side, then making the connecting rod 43 drive the moving column 46 to rise, when the SD memory card 49 is completely inserted into the insertion cavity 26, through the elastic action of the return spring 47, making the arc-shaped pressing block 42 bounce to the top surface of the SD memory card 49 and press the SD memory card 49, at this time, the bottom surface of the SD memory card 49 is abutted against the top surface of the lifting block 63, the lifting spring 64 is in a compressed state, when the SD memory card 49 is inserted into the insertion cavity 26 downwards, the moving column 46 rises, at this time, making the inner wall of the buckling cavity 53 drive the moving block 52 to move leftwards, thereby making the wiping block 51 contact with the SD memory card 49, making the wiping block 51 wipe the dust on the surface of the data output block 62, and further preventing the problem that the surface of the data output block 62, meanwhile, the moving block 52 can pull the clamping block 60 to move rightwards to be loosened through the fixed rope 57, when the SD memory card 49 reaches the bottommost part and the arc-shaped pressing block 42 presses the SD memory card 49, the moving block 52 moves rightwards to be reset at the moment, the clamping block 60 can clamp the SD memory card 49 through the clamping spring 59, so that the SD memory card 49 can achieve strong stability, when the electrical connection with the data output block 62 of different SD memory cards 49 needs to be adjusted, the rotating disc 18 is manually rotated clockwise, the rotating shaft 19 can drive the cam shaft 31 to rotate clockwise, the cam 30 and the sector gear 32 can rotate clockwise, when the sector gear 32 is meshed with the connecting gear 40, the sector gear 32 can drive the ratchet shaft 39 to rotate clockwise, the driven shaft 36 can drive the reel 35 to tightly wind the pulling rope 22 clockwise, and the pulling slide block 23 and the sliding column 24 can be driven to move downwards through the pulling rope 22, at this time, the data connecting sheet 61 and the initial data output block 62 can be disconnected, and the sliding column 24 is accommodated in the telescopic cavity 20, at this time, the adjusting disc 17 can be normally rotated clockwise to adjust the position, the cam 30 can be abutted with the linkage block 33 through the continuous clockwise rotation of the cam shaft 31, at this time, the cam 30 can drive the adjusting disc 17 to rotate clockwise, the adjusting disc 17 can be rotated to the position to be adjusted, when the adjusting disc 17 is rotated to the required position, the sliding column 24 can be ejected into the channel on the right side of the fixed table 25, and then the data connecting sheet 61 can be electrically connected with different data output blocks 62, when the adjusting disc 17 is rotated away from the fixed table 25 on the rightmost side, the adjusting disc 17 can be rotated to insert the sliding column 24 again into the channel on the right side of the fixed table 25 on the leftmost side only by continuously rotating the rotating disc 18, at this time, the rotating disc 18 is rotated counterclockwise, so that the cam shaft 31 can drive the cam, when the cam shaft 31 rotates counterclockwise, the driven shaft 36 is not moved, and since the sliding column 24 is inserted into the right channel of the fixed platform 25, the cam 30 cannot rotate the adjusting disk 17 counterclockwise when contacting the limiting block 28, and then the effect of resetting and positioning can be achieved.

The invention has the beneficial effects that: the SD memory card fixing device can insert and install a plurality of different SD memory cards, can clean dust on the surface of the data output block in time when the SD memory cards are installed, greatly reduces the problem of failure of electric connection, meanwhile, enables the SD memory cards to be installed more stably and to be in a better connection state through the compression of the arc-shaped pressing block and the clamping of the clamping block, can rotate and adjust the connection state with different SD memory cards through the adjusting mechanism, is convenient to operate, can save the operation of manually replacing the memory cards, and is more convenient to use.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.