CN211702112U

CN211702112U - Touch screen auxiliary device of electronic equipment

Info

Publication number: CN211702112U
Application number: CN202020442891.7U
Authority: CN
Inventors: 王丹丹; 牛潇雨
Original assignee: Shenzhen Ranvoo Technology Co Ltd
Current assignee: Shenzhen Jianjun Technology Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2020-10-16
Anticipated expiration: 2030-03-30

Abstract

The utility model provides an auxiliary device for touch screen of electronic equipment, which is used for assisting the screen of touch electronic equipment and comprises a base plate, a first clamping arm, a second clamping arm, an upper cover, a conductive piece and a reset piece, the first clamping arm and the second clamping arm are respectively connected to two sides of the substrate to jointly clamp the electronic equipment, the upper cover is made of conductive material and is movably connected on the substrate so that the upper cover can move up and down relative to the substrate, the reset piece is connected between the base plate and the upper cover and used for generating reset force for enabling the upper cover to be far away from the base plate, the conductive piece is arranged at the inner side of the second clamping arm, and two ends of the conductive piece respectively form a contact part and a contact part, the conflict portion is used for conflicting the screen of electronic equipment, and when the upper cover moved down relatively the base plate, the upper cover contradicted the contact portion.

Description

Touch screen auxiliary device of electronic equipment

Technical Field

The utility model relates to an electronic equipment accessory technical field, in particular to electronic equipment touches screen auxiliary device.

Background

Along with the popularization of smart phones and the development of chip technologies, smart phones are more and more powerful in performance and more complete in functions, the development of hand games is also rapidly developed, and more groups are played for hand games. The capacitive touch screen technology works by utilizing current induction of a human body, and fingers are required to touch a screen when a user plays games on all capacitive screen equipment according to the characteristics of the capacitive screen. When a finger touches the metal layer, a coupling capacitor is formed between an electric field of a human body and the surface of the touch screen, and for high-frequency current, the capacitor is a direct conductor, so that the finger sucks a small current from a contact point, the current flows out from electrodes on four corners of the touch screen, and the controller accurately calculates the proportion of the four currents to obtain the position of the contact point of the screen.

The existing touch screen auxiliary equipment triggers a virtual key on a screen of the electronic equipment by setting a key or a handle, and during operation, a user presses the key to conduct a conducting strip on the inner side of a clamping arm of the touch screen auxiliary equipment, so that the virtual key on the screen of the electronic equipment is triggered to realize touch operation.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an electronic equipment touch screen auxiliary device.

In an embodiment, the second clamping arm is configured to be clamped on a screen of the electronic device, the second clamping arm includes a clamping arm and a connecting arm connected between the clamping arm and the side edge of the substrate, the connecting arm is provided with a through hole, and the contact portion is located in the through hole.

In one embodiment, the connecting arm is connected to the inner side of the clamping arm so that the top end of the clamping arm forms a step, the step is provided with a receiving groove communicated with the through hole, the bottom side of the contact portion protrudes outwards to form an extending portion, the extending portion is received in the receiving groove, and the top surface of the extending portion is exposed out of the receiving groove.

In an embodiment, the conductive member includes a connection portion connected between the contact portion and the abutting portion, the inner side of the clamping arm is provided with a first groove portion and a second groove portion which are communicated with each other, the second groove portion is communicated with the through hole, the abutting portion is accommodated in the first groove portion, an outer side surface of the abutting portion protrudes from the first groove portion, and the connection portion is accommodated in the second groove portion.

In one embodiment, a side of the upper cover corresponding to the second clamping arm extends downwards to form a wing, and when the upper cover moves downwards, the wing abuts against the contact part and/or the extending part.

In an embodiment, a first side wall is arranged on the top surface of the substrate, the first side wall is enclosed to form an enclosed space, buckles are respectively arranged on the outer sides of two ends of the first side wall, a clamping space is formed between the buckles and the first side wall, hook parts are arranged on the inner sides of the top ends of the buckles to form an anti-falling structure, reinforcing ribs for connecting the buckles and the substrate are arranged on the outer sides of the buckles, a second side wall for being annularly arranged on the outer side of the first side wall is arranged at the bottom of the upper cover, clamping parts matched with the buckles are respectively arranged at the bottoms of two ends of the upper cover, and the clamping parts are clamped in the clamping space and can move up and down relative to the buckles in the clamping space.

In an embodiment, the reset member includes two first elastic members, each of the first elastic members elastically abuts between the upper cover and the substrate, the two first elastic members are respectively located at two ends of the enclosed space, positioning pillars are respectively disposed in the second side walls at the bottom of the upper cover, and the two first elastic members are respectively sleeved on the positioning pillars.

In one embodiment, the reset member includes two sets of reset magnets, and each set of reset magnets includes a first magnet and a second magnet which are magnetically repulsive and are arranged at an interval from top to bottom.

In one embodiment, the first clamping arm is used for clamping on the back surface of the electronic device, the first clamping arm is rotatably connected to the side edge of the substrate, a second elastic element is arranged at the rotating connection position of the first clamping arm and the substrate, and the second elastic element is used for providing clamping pretightening force; the clamp comprises a first clamping arm and a second clamping arm, wherein the first clamping arm is connected with a pressing plate in a rotating mode, a groove is formed in the inner side face of the pressing plate, a soft rubber pad is arranged in the groove, and the outer side face of the soft rubber pad protrudes out of the groove.

In an embodiment, the bottom of the substrate is provided with a plurality of protruding strips, and the protruding strips are used for abutting against the side edge of the electronic device to prevent the bottom of the substrate from touching the keys on the side edge of the electronic device.

To sum up, the utility model provides an electronic equipment touch screen auxiliary device, this electronic equipment touch screen auxiliary device include base plate and swing joint upper cover on the base plate, and the base plate reciprocates relatively to the upper cover, sets up between upper cover and base plate and resets in order to exert a power that resets that makes it keep away from the base plate to the upper cover. Set up the electrically conductive piece that is used for with upper cover electric connection in the inboard of second arm lock, electrically conductive piece has the conflict portion that exposes in second arm lock lower extreme inboard and exposes in the contact site of second arm lock upper end outside, conflict portion is used for conflicting the virtual button on the electronic equipment screen, make the upper cover downstream when the user presses the upper cover, the alar part of upper cover one side supports presses the contact site and makes the upper cover switch on with electrically conductive piece, thereby realize triggering the virtual button on the electronic equipment, when the user loosens the upper cover, the upper cover upwards returns to the original position under the effect that resets and is connected with disconnection alar part and contact site. The utility model discloses an electronic equipment touches screen auxiliary device its electrically conductive structure as an organic whole and has the contact site and be used for with the conflict portion of the virtual button contact of electronic equipment for the conducting connection simple structure of upper cover and conflict portion, and electrically conductive structure as an organic whole, the stability of switching on is high, and convenience of customers uses.

Drawings

Fig. 1 is a schematic perspective view of an electronic device touch screen auxiliary device at an angle.

Fig. 2 is a schematic perspective view of the touch screen assisting apparatus of the electronic device at another angle.

Fig. 3 is an exploded view of a touch screen assisting device of an electronic device.

Fig. 4 is another exploded view of the touch screen assisting device of the electronic device.

Detailed Description

Before the embodiments are described in detail, it is to be understood that the invention is not limited in its application to the details of construction and the arrangements of components set forth in the following description or illustrated in the drawings. The utility model discloses can be the embodiment that other modes realized. Also, it is to be understood that the phraseology and terminology used herein is for the purpose of description and should not be regarded as limiting. The use of "including," "comprising," "having," and the like, herein is meant to encompass the items listed thereafter and equivalents thereof as well as additional items. In particular, when "a certain element" is described, the present invention is not limited to the number of the element being one, and may include a plurality of the elements.

As shown in fig. 1-4, the present invention provides an electronic device touch screen assisting apparatus 10, for assisting a screen of a touch electronic device, such as a mobile phone, and in other embodiments, the electronic device may also be an electronic device with a touch screen, such as a tablet computer. The electronic device touch screen assisting device 10 includes a substrate 12, a first clamping arm 14, a second clamping arm 16, an upper cover 18, a conductive member 20, and a reset member.

In the illustrated embodiment, the reset element is two first elastic elements 24, the upper cover 18 is arched, and the upper cover 18 is made of a conductive material and movably connected above the substrate 12 and can move up and down relative to the substrate 12. A storage space with two open ends is formed between the upper cover 18 and the substrate 12, and the two first elastic members 24 are located in the storage space. Specifically, the top surface of the substrate 12 is provided with a first sidewall 22, and the first sidewall 22 is square and encloses around the center of the substrate 12 to form an enclosed space. The outer sides of the two ends of the first side wall 22 are respectively provided with a buckle 26, and a clamping space 28 is formed between each buckle 26 and the corresponding first side wall 22. The bottom of the upper cover 18 is provided with two second side walls 30 arranged around the periphery of the first side wall 22, and the two second side walls 30 are arranged at intervals along the length direction of the upper cover 18 and are symmetrically arranged about the center of the upper cover 18. The upper cover 18 is provided at the bottom of both ends thereof with holding portions 32 for engaging with the clasps 26, respectively, and the holding portions 32 are held in the holding space 28 and can move up and down in the holding space 28. In this embodiment, the two retainers 32 are respectively disposed at the bottom of the two ends of the two second sidewalls 30.

In this embodiment, the clip 26 has a certain elasticity. The hook 34 is disposed on the inner side of the top end of the buckle 26 to form an anti-disengaging structure, the hook 34 is disposed to reduce the upper opening of the clamping space 28, when the clamping portion 32 is clamped in the clamping space 28, the hook 34 needs to be squeezed to cause the top end of the buckle 26 to generate a certain amount of elastic deformation, after the clamping portion 32 is clamped in the clamping space 28, the buckle 26 resets, and the clamping portion 32 can move up and down in the clamping space 28 relative to the buckle 26. When the retainer 32 moves to the upper opening, the hook 34 of the buckle 26 stops the hook of the retainer 32 to prevent the retainer 32 from easily escaping from the retaining space 28. The outer side of each clip 26 is provided with a reinforcing rib 36 connecting the clip 26 and the base 12 for enhancing the structural strength of the clip 26. In other embodiments, the latch 26 may not have elasticity, for example, the retainer 32 may be designed to have elasticity.

It should be understood that, in other embodiments, the upper cover 18 and the base plate 12 may be movably connected by other connecting structures, as long as the upper cover 18 can move up and down relative to the base plate 12 under the action of external pressing force, for example, a matching structure of a sliding rail and a sliding groove is provided between the upper cover 18 and the base plate 12.

Specifically, the upper cover 18 is made of a conductive material, specifically, a zinc alloy conductive material, or the upper cover 18 is formed by externally plating a conductive layer with a plastic material. The two first elastic members 24 are located between two connection positions of the upper cover 18 and the base plate 12, for example, the two first elastic members 24 are disposed at two ends of the enclosed space, and the two first elastic members 24 are symmetrically disposed about the center position of the base plate 12. The first elastic member 24 is, for example, a spring. The bottom of the upper cover 18 is provided with two positioning pillars 38 respectively in the two second sidewalls 30, the two positioning pillars 38 are symmetrically disposed about the center of the upper cover 18, and the two first elastic members 24 are respectively sleeved on the two positioning pillars 38. The first elastic members 24 respectively elastically abut against the bottom of the upper cover 18 at one end and the base plate 12 at the other end, so that the first elastic members 24 apply an elastic bias to the upper cover 18 to move the upper cover 18 away from the base plate 12.

In the above embodiment, the reset member is implemented as two first elastic members 24, in other embodiments, the reset member may also be implemented as one first elastic member 24 or more than two first elastic members 24, and correspondingly, the elements related to the first elastic members 24 may be adjusted correspondingly. For example, when the reset member is implemented as one first elastic member 24, the first elastic member 24 may be disposed at a central position of the base plate 12.

The first clamping arm 14 and the second clamping arm 16 are respectively connected to two sides of the base plate 12 in the width direction, so as to jointly clamp the mobile phone. A clamping space for clamping the mobile phone is formed between the first clamping arm 14 and the second clamping arm 16, the first clamping arm 14 is used for clamping the back of the mobile phone, and the second clamping arm 16 is used for clamping the screen of the mobile phone. The first clamping arm 14 and/or the second clamping arm 16 are/is rotatably connected to the side of the base 12, a second elastic element 40 is arranged at the position where the first clamping arm 14 and/or the second clamping arm 16 is/are rotatably connected with the base 12, and the second elastic element 40 is used for providing clamping preload.

In the illustrated embodiment, first clamp arm 14 is pivotally connected to a side of base 12, and second clamp arm 16 is integrally formed with base 12. Two sides of the upper cover 18 respectively extend outwards along the arc surface of the upper cover 18 to form two wing portions 42, and the two wing portions 42 respectively cover the connection areas between the two sides of the substrate 12 and the first clip arm 14 and the second clip arm 16, so that the touch screen assisting device 10 of the electronic device is more beautiful as a whole.

The conductive member 20 is disposed inside the second clamping arm 16. Specifically, the second clamping arm 16 includes a clamping arm 44 and a connecting arm 46 connected between the clamping arm 44 and the side of the base 12, the connecting arm 46 is bent downward, the connecting arm 46 is connected to the inner side of the clamping arm 44 such that the top end of the clamping arm 44 forms a step 48, and the connecting arm 46 is provided with a through hole 50. The conductive device 20 includes a connecting portion 52, and an abutting portion 54 and a contact portion 56 connected to two ends of the connecting portion 52, wherein the abutting portion 54 is used for abutting against a mobile phone screen, for example, abutting against a virtual key on the mobile phone screen, the contact portion 56 is located in the through hole 50, preferably, an outer side surface of the contact portion 56 is exposed outside the through hole 50, so that when a user presses the upper cover 18 to move downward, the wing portion 42 is more easily pressed against the contact portion 56 to realize conduction between the upper cover 18 and the conductive device 20, and further trigger the virtual key on the mobile phone screen. The conductive member 20 is an integrally formed structure, and has a simple structure and is easy and convenient to assemble, and the conductive member 20 is, for example, conductive silica gel or conductive cotton, so that damage to a mobile phone screen during clamping is avoided.

In the illustrated embodiment, the inner side of clamping arm 44, i.e., the side facing first clamping arm 14, is provided with a first slot 58 and a second slot 60 that communicate with each other, with second slot 60 communicating with through-hole 50. The abutting portion 54 is received in the first slot portion 58 and the outer side surface thereof protrudes from the first slot portion 58, so that when the second clamping arm 16 is clamped on the mobile phone screen, the abutting portion 54 abuts against the virtual key on the mobile phone screen, and the connecting portion 52 is received in the second slot portion 60.

Further, the bottom side of the contact portion 56 protrudes outward to form an extension portion 62, so that the contact portion 56 is L-shaped as a whole, the step 48 is provided with an accommodating groove 64 communicated with the through hole 50, and during installation, the extension portion 62 is accommodated in the accommodating groove 64 and the top surface thereof is exposed out of the accommodating groove 64. When the user pressed upper cover 18 and made its lapse, the medial surface of alar part 42 can conflict contact site 56 and realize switching on, or the bottom of alar part 42 conflicts extension 62 and realizes switching on, or alar part 42 conflicts contact site 56 and extension 62 simultaneously and realizes switching on, can switch on with electrically conductive 20 when guaranteeing that upper cover 18 moves down, reduces touch failure rate, promotes user product experience.

Two sides of the middle position of the inner side surface of the first clamping arm 14 are respectively provided with a lug 66, the lug 66 is provided with a first shaft hole 68, the side of the substrate 12 corresponding to the first clamping arm 14 is provided with two pivoting blocks 70 arranged at intervals, the two pivoting blocks 70 are provided with a first rotating shaft 72 in a penetrating manner, and two ends of the first rotating shaft 72 are respectively inserted into the two first shaft holes 68, so that the first clamping arm 14 is rotatably connected to the substrate 12. The second elastic element 40 is, for example, a torsion spring, the second elastic element 40 is sleeved on a portion of the first rotating shaft 72 between the two pivoting blocks 70, one end of the second elastic element 40 abuts against the side edge of the base plate 12, and the other end of the second elastic element 40 abuts against an upper region of the inner side surface of the first clamping arm 14, so as to apply an elastic bias to the first clamping arm 14 to make the bottom of the first clamping arm rotate toward the second clamping arm 16, thereby providing a clamping pre-tightening force, and when the first clamping arm 14 and the second clamping arm 16 are clamped at two sides of the mobile phone, the clamping pre-tightening force can make the clamping stable. The wing of the upper cover 18 on one side of the first clamping arm 14 is located between the inner side surface of the top end of the first clamping arm 14 and the side edge of the base 12.

In the illustrated embodiment, the bottom of the first clamp arm 14 is pivotally connected to an abutment plate 74. Specifically, the bottom of the first clamping arm 14 is provided with a pivot slot 76, and the pressing plate 74 is correspondingly provided with a pivot portion 78 at a central position on a side surface away from the second clamping arm 16, and the pivot portion 78 is configured to be received in the pivot slot 76. The pivoting portion 78 is provided with a second shaft hole 80, two opposite side walls of the pivoting slot 76 are respectively provided with a third shaft hole 82, a second rotating shaft 84 is arranged in the second shaft hole 80, and two ends of the second rotating shaft 84 are respectively inserted into the two third shaft holes 82, so that the pressing plate 74 is rotatably connected to the first clamping arm 14. The pressing plate 74 is arranged to effectively increase the contact area between the first clamping arm 14 and the back of the mobile phone, and the pressing plate 74 is rotatably connected, so that the touch screen assisting device 10 of the electronic device can be adapted to mobile phones with different thicknesses. When the first clamping arm 14 and the second clamping arm 16 are clamped at two sides of the mobile phone, the clamping angle of the first clamping arm 14 relative to the base plate 12 can be adjusted according to the thickness of the mobile phone, and meanwhile, the pressing plate 74 can be rotationally adjusted, so that the pressing plate 74 is always flatly abutted against the back surface of the mobile phone, damage to the mobile phone is avoided, and the pressing plate 74 is not easily damaged in the using process.

In the illustrated embodiment, a recess 86 is formed on an inner side surface of the pressing plate 74, i.e., a side surface facing the second clamping arm 16, a soft rubber pad 88 is clamped in the recess 86, and an outer side surface of the soft rubber pad 88 protrudes out of the recess 86. Make soft cushion 88 conflict the cell-phone back when first arm lock 14 centre gripping in the cell-phone back through setting up soft cushion 88, increase the frictional force between first arm lock 14 and the cell-phone, avoid skidding in the operation process, and can further protect the cell-phone back, prevent the fish tail.

In the illustrated embodiment, the bottom of the substrate 12 is provided with a plurality of protruding strips 90, and when the touch screen assistant device 10 of the electronic device is held on a mobile phone, the protruding strips 90 abut against two sides of a side edge of the mobile phone to prevent the bottom of the substrate 12 from touching keys on the side edge of the mobile phone.

In the non-pressed state, the upper cover 18 is located at the uppermost position, i.e. the position far away from the base plate 12, under the elastic biasing force of the first elastic member 24, and the holding portion 32 is held at the upper end opening of the holding space 28, and the hook portion 34 at the top end of the buckle 26 prevents the holding portion 32 from being separated from the holding space 28. When the user presses the upper cover 18, the upper cover 18 moves downward against the elastic bias of the first elastic member 24, and the holding portion 32 moves downward in the holding space 28, and when the upper cover 18 moves to the predetermined position, the wing portion 42 of the upper cover 18 abuts against the contact portion 56 and/or the extending portion 62, so that the upper cover 18 conducts the conductive member 20, that is, after the human finger contacts and presses the upper cover 18, the upper cover 18 conducts the conductive member 20 through the wing portion 42, and the human finger is conducted with the conductive member 20, thereby triggering the virtual key on the screen of the mobile phone to realize the touch operation. When the user releases the upper cover 18, the upper cover 18 is reset to the uppermost position under the elastic bias of the first elastic member 24, and the wing portion 42 is disconnected from the conductive member 20, i.e. after the user releases the upper cover 18, the first elastic member 24 generates a reset force to move the upper cover 18 away from the substrate 12.

In the above embodiment, the reset member is two first elastic members 24, and in other embodiments, the reset member may also be two sets of reset magnets (not shown), each set of reset magnets includes a first magnet and a second magnet which are magnetically repulsive and are disposed at an interval from top to bottom, for example, the first magnet is connected to the bottom of the upper cover 18, and the second magnet is correspondingly located below the first magnet and connected to the substrate 12. In this embodiment, except that the first elastic member is replaced by the reset magnet, the remaining structure is the same as that of the above embodiment, and therefore, the description thereof is omitted.

The concepts described herein may be embodied in other forms without departing from the spirit or characteristics thereof. The particular embodiments disclosed should be considered illustrative rather than limiting. The scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. Any changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. An electronic equipment touch screen auxiliary device is used for assisting a screen of touch electronic equipment and is characterized by comprising a substrate, a first clamping arm, a second clamping arm, an upper cover, a conductive piece and a resetting piece, the first clamping arm and the second clamping arm are respectively connected to two sides of the substrate to jointly clamp the electronic equipment, the upper cover is made of conductive material and is movably connected on the substrate so that the upper cover can move up and down relative to the substrate, the reset piece is connected between the base plate and the upper cover and used for generating reset force for enabling the upper cover to be far away from the base plate, the conductive piece is arranged at the inner side of the second clamping arm, and two ends of the conductive piece respectively form a contact part and a contact part, the conflict portion is used for conflicting the screen of electronic equipment, and when the upper cover moved down relatively the base plate, the upper cover contradicted the contact portion.

2. The touch screen auxiliary device of the electronic device of claim 1, wherein the second clamping arm is configured to be clamped on a screen of the electronic device, the second clamping arm includes a clamping arm and a connecting arm connected between the clamping arm and a side of the substrate, the connecting arm is provided with a through hole, and the contact portion is located in the through hole.

3. The touch screen assistant apparatus of claim 2, wherein the connecting arm is connected to an inner side of the holding arm such that a step is formed at a top end of the holding arm, the step is provided with a receiving slot communicated with the through hole, the bottom side of the contact portion protrudes outward to form an extending portion, the extending portion is received in the receiving slot, and a top surface of the extending portion is exposed outside the receiving slot.

4. The touch screen assistant apparatus of claim 2 or 3, wherein the conductive member comprises a connecting portion connected between the contact portion and the interference portion, the inner side of the holding arm is provided with a first slot portion and a second slot portion, the first slot portion and the second slot portion are communicated with each other, the second slot portion is communicated with the through hole, the interference portion is received in the first slot portion, the outer side surface of the interference portion protrudes from the first slot portion, and the connecting portion is received in the second slot portion.

5. The touch screen assistant apparatus of claim 3, wherein a side of the upper cover corresponding to the second clip arm extends downward to form a wing, and when the upper cover moves downward, the wing interferes with the contact portion and/or the extending portion.

6. The touch screen assisting device of claim 1, wherein a first sidewall is disposed on a top surface of the substrate, the first sidewall encloses an enclosed space, two ends of the first sidewall are respectively provided with a buckle, a clamping space is formed between the buckle and the first sidewall, a hook is disposed on an inner side of a top end of the buckle to form an anti-falling structure, a reinforcing rib is disposed on an outer side of the buckle to connect the buckle and the substrate, a second sidewall is disposed at a bottom of the upper cover to surround the first sidewall, two ends of the upper cover are respectively provided with a clamping portion engaged with the buckle, and the clamping portion is clamped in the clamping space and can move up and down relative to the buckle in the clamping space.

7. The touch screen assisting device of claim 6, wherein the reset member includes two first elastic members, each of the first elastic members elastically abuts between the upper cover and the substrate, the two first elastic members are respectively located at two ends of the enclosed space, positioning posts are respectively disposed in the second side walls at the bottom of the upper cover, and the two first elastic members are respectively sleeved on the positioning posts.

8. The touch screen assisting device of the electronic device of claim 1, wherein the reset member comprises two sets of reset magnets, each set of reset magnets comprises a first magnet and a second magnet which are magnetically repulsive and are arranged at an interval from top to bottom.

9. The touch screen assistant apparatus of claim 1, wherein the first clamping arm is configured to clamp on a back surface of the electronic device, the first clamping arm is rotatably connected to a side edge of the substrate, a second elastic member is disposed at a position where the first clamping arm is rotatably connected to the substrate, and the second elastic member is configured to provide a clamping pre-load force; the clamp comprises a first clamping arm and a second clamping arm, wherein the first clamping arm is connected with a pressing plate in a rotating mode, a groove is formed in the inner side face of the pressing plate, a soft rubber pad is arranged in the groove, and the outer side face of the soft rubber pad protrudes out of the groove.

10. The touch screen assistant device of claim 1, wherein the bottom of the substrate is provided with a plurality of ribs, and the ribs are used for abutting against the side edges of the electronic device to prevent the bottom of the substrate from touching the keys on the side edges of the electronic device.