CN116700533B - Touch display device with self-locking mechanism - Google Patents
Touch display device with self-locking mechanism Download PDFInfo
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- CN116700533B CN116700533B CN202310960976.2A CN202310960976A CN116700533B CN 116700533 B CN116700533 B CN 116700533B CN 202310960976 A CN202310960976 A CN 202310960976A CN 116700533 B CN116700533 B CN 116700533B
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- locking
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- 230000007246 mechanism Effects 0.000 title claims abstract description 31
- 238000003466 welding Methods 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000006870 function Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 11
- 230000009471 action Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
Abstract
The application provides a touch display device with a self-locking mechanism, which belongs to the technical field of touch display, and particularly comprises a first module and a second module which are connected in an inserting manner and form electric connection, wherein the first module comprises a support shell, contacts, a driving mechanism and a plug group, the driving mechanism comprises an electromagnetic coil, a cam and a permanent magnet, the permanent magnet is fixed on the cam, two magnetic poles of the electromagnetic coil are arranged along the sliding direction of the contacts, the plug group is connected with the electromagnetic coil, the permanent magnet is driven to drive the cam to rotate by controlling the magnetic pole direction of current input to the electromagnetic coil so as to drive the contacts to do linear reciprocating motion, a joint block is arranged in the support shell, and when the directions of two magnetic poles of the permanent magnet are parallel to the sliding direction of the contacts, the joint block is lapped on the joint block to limit the rotation of the cam. The application realizes the functions of maintaining the original state after the contact is powered off and facilitating maintenance of the touch display device.
Description
Technical Field
The application relates to the field of touch display, in particular to a touch display device with a self-locking mechanism.
Background
The blind person can not watch things with eyes like normal people, and external information is obtained mainly by hearing of ears and touch of fingers. The information provided by a common personal computer is mainly graphic and text information displayed by a liquid crystal screen, which is unavailable for the blind.
The conventional mode of blind person reading and learning is braille convex point paper, the blind person learns through convex points, but the paper is thick and heavy, and is inconvenient to carry and read, and meanwhile, the convex point paper needs special braille printing equipment to generate, so that the blind person reading in real time is inconvenient.
The existing Braille point display in the market is driven by adopting an electromagnetic structure or a memory alloy structure, and has larger volume and larger current; the memory alloy structure has slow driving response, large heating and can not keep the final display state after power failure.
Moreover, the existing Braille point display in the market generally has only one row of display areas, and can not realize area array area combination due to larger occupied area, so that the module is not easy to mount and dismount, and only one row of Braille can be combined and displayed. Such a braille display cannot be fully displayed, especially in educational applications, such as complex lines and formula symbols of pattern outlines, mathematical formulas, and the like.
Disclosure of Invention
In view of this, the present application provides a haptic display device with a self-locking mechanism, which solves the problems in the prior art, and achieves the functions of maintaining the original state after the contacts are powered off and facilitating maintenance of the haptic display device.
The application provides a touch display device with a self-locking mechanism, which adopts the following technical scheme:
a tactile display device with a self-locking mechanism, comprising:
the first module comprises a supporting shell, a plurality of contacts, a plurality of driving mechanisms and a plurality of plug groups, wherein the contacts are slidably arranged on the supporting shell, the driving mechanisms are arranged in the supporting shell and correspond to the contacts one by one, the driving mechanisms comprise electromagnetic coils, cams and permanent magnets, the cams are rotatably arranged on the supporting shell, the peripheral side surfaces of the cams are contacted with one ends of the contacts, the permanent magnets are fixed on the cams, two magnetic poles of the electromagnetic coils are arranged along the sliding direction of the contacts, the plug groups are connected with the electromagnetic coils, control signals are input to the plug groups, the magnetic pole directions of the electromagnetic coils are changed through the control signals, the permanent magnets are driven to drive the cams to rotate so as to drive the contacts to do linear reciprocating motion on the supporting shell, a snap-in block is arranged in the supporting shell, and when the directions of the two magnetic poles of the permanent magnets are parallel to the sliding directions of the contacts, the snap-in block is in a snap-in mode to limit rotation of the cams;
the second module comprises a base and a plurality of wiring port groups arranged on the base, the wiring port groups are in one-to-one correspondence with the plug groups, and after the first module and the second module are matched and installed, the plug groups are inserted into the wiring port groups to form electric connection.
Optionally, the first module further includes a top cover, the top cover covers one side of the support housing where the contacts are installed, a sliding hole for the contacts to pass through is formed in the top cover, at least two protruding fixing columns are arranged on one side of the support housing, which is opposite to the top cover, of the support housing, fixing holes corresponding to the fixing columns are formed in the top cover, and the fixing columns are bonded with the inner walls of the fixing holes.
Optionally, a magnetic attraction body is arranged at one end, close to the cam, in the contact.
Optionally, the overlap joint piece is located the pivot of cam and faces away from the side of contact, the overlap joint piece orientation the side of contact is as the overlap joint face, the locking piece includes relative first locking face and second locking face, when the direction of two magnetic poles of permanent magnet is parallel to the slip direction of contact, first locking face or second locking face is parallel to the overlap joint face and butt is in on the overlap joint face.
Optionally, the sliding direction of the contact is parallel to the vertical direction, and an included angle between a ray parallel to the first locking surface and a ray passing through the outer peripheral side surface of the cam and being farthest from the rotating shaft of the cam is smaller than 90 ° and larger than 0 ° with the rotating shaft axis of the cam as a starting point.
Optionally, the locking block is located at one side of the cam shaft.
Optionally, the touch display device further includes an assembly bottom plate, a plurality of second modules are detachably mounted on the assembly bottom plate, the second modules are arranged in an array on the assembly bottom plate, each second module can be used for being inserted into the first module, welding spots corresponding to the wiring port groups one to one are arranged on the assembly bottom plate, the wiring port groups are electrically connected with the welding spots in a welding mode, and the welding spots are used for inputting control signals.
Optionally, one the plug includes two grafting poles, one the wiring port group includes two jacks, the jack includes the hole on the base and is located two contact bars in the hole, same two in the hole the contact bar interval sets up, two in the same hole the opposite one side of contact bar is being close to the one end of first module is equipped with the arch, the contact bar has elasticity, the contact bar is used for supporting tightly on the grafting pole and forms the electricity and connect.
In summary, the application has the following beneficial technical effects:
the plug set is inserted into the wiring port set to form an electrical connection. The application enables the first module and the second module to form electric connection in a plugging mode without wires or flat cables, and has the characteristics of convenient disassembly, assembly, maintenance and the like.
The electromagnetic coil is input with forward current or reverse current, so that the electromagnetic coil drives the contact to do different motions through the cam, the contact extends out of a preset length, a plurality of contact parts of the first modules extend out, and the contact parts do not extend out, thereby realizing large-area braille presentation. A plurality of first modules are inserted on the second module, so that large-area braille contact combination is realized, the effect of braille books is more similar, and the reading speed of the blind can be improved.
Through the cooperation of locking piece and overlap piece, the cam is when rotating to preset position, and the cam will not continue to rotate and keep stable, and after actuating mechanism outage, the cam also can not rotate at will, realizes the auto-lock to the contact state.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the entire structure of a haptic display device with a self-locking mechanism according to the present application;
FIG. 2 is a schematic diagram of an exploded structure of a haptic display device with a self-locking mechanism according to the present application;
FIG. 3 is a schematic view of the structure of the magnetic attraction body of the application;
FIG. 4 is a schematic view of the structure of the lock block and the snap-on block of the present application;
fig. 5 is a schematic structural view of a second module according to the present application.
Reference numerals illustrate: 1. a first module; 11. a support housing; 12. a contact; 13. a plug set; 14. a top cover; 15. a slip hole; 16. fixing the column; 17. a fixing hole; 18. a magnetic attraction body; 19. inserting a connecting rod; 2. a second module; 21. a base; 22. a wiring port group; 23. a hole; 24. a contact lever; 25. a protrusion; 26. welding a rod, 31 and an electromagnetic coil; 32. a magnetizer; 33. a cam; 34. a permanent magnet; 35. a locking block; 351. a first locking surface; 352. a second locking surface; 36. a splicing block; 361. and (5) a lap joint surface.
Detailed Description
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
Other advantages and effects of the present application will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present application with reference to specific examples. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. The application may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present application. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It is noted that various aspects of the embodiments are described below within the scope of the following claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present disclosure, one skilled in the art will appreciate that one aspect described herein may be implemented independently of any other aspect, and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. In addition, such apparatus may be implemented and/or such methods practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.
It should also be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present application by way of illustration, and only the components related to the present application are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.
In addition, in the following description, specific details are provided in order to provide a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.
The embodiment of the application provides a touch display device with a self-locking mechanism.
As shown in fig. 1 and 2, a tactile display device with a self-locking mechanism, comprising:
the first module 1 comprises a support shell 11, a plurality of contacts 12, a plurality of driving mechanisms and a plurality of plug groups 13, wherein the contacts 12 are slidably arranged on the support shell 11, the driving mechanisms are arranged in the support shell 11 and correspond to the contacts 12 one by one, the driving mechanisms comprise electromagnetic coils 31, cams 33 and permanent magnets 34, the cams 33 are rotatably arranged on the support shell 11, the peripheral side surfaces of the cams 33 are contacted with one ends of the contacts 12, the permanent magnets 34 are fixed on the cams 33, two magnetic poles of the electromagnetic coils 31 are arranged along the sliding direction of the contacts 12, the plug groups 13 are connected with the electromagnetic coils 31, control signals are input to the plug groups 13, the magnetic pole directions of the electromagnetic coils 31 are changed through the control signals, the driving permanent magnets 34 drive the cams 33 to rotate so as to drive the contacts 12 to do linear reciprocating motion on the support shell 11, the cams 33 are internally provided with locking blocks 35, and when the directions of the two magnetic poles of the permanent magnets 34 are parallel to the sliding directions of the contacts 12, the locking blocks 35 are in lap joint with the locking blocks 35.
The first module 1 further comprises a top cover 14, the top cover 14 covers one side of the supporting shell 11, where the contacts 12 are installed, sliding holes 15 through which the contacts 12 pass are formed in the top cover 14, one end of each contact 12 is located in the top cover 14, at least two protruding fixing columns 16 are arranged on one side of the supporting shell 11, which is opposite to the top cover 14, of each top cover 14, fixing holes 17 corresponding to the fixing columns 16 are formed in the top cover 14, and the fixing columns 16 are bonded with the inner walls of the fixing holes 17. When the fixing column 16 and the fixing hole 17 are bonded to each other, the fixing column 16 and the top cover 14 are fixedly connected to each other, and when the fixing column 16 and the fixing hole 17 are bonded to each other, the fixing hole 17 may be thermally fused and then connected to the fixing column 16, so that the fixing column 16 and the top cover 14 are connected to each other.
As shown in fig. 3, a magnetic attraction body 18 is disposed at one end of the contact 12 near the cam 33. The permanent magnet 34 on the cam 33 generates suction force to the magnet 18, so that the contact 12 is always attached to the cam 33, and when the nearest end of the outer peripheral side surface of the cam 33, which is close to the contact 12, is close to the rotating shaft nearest to the cam 33, the retraction of the contact 12 can be quickened. When the sliding direction of the contact 12 is vertical, the magnetic attraction body 18 is also used for balancing the contact 12, so as to accelerate the downward movement of the contact 12.
As shown in fig. 4, the landing block 36 is located on a side of the rotation axis of the cam 33 opposite to the contact 12, the side of the landing block 36 facing the contact 12 is a landing surface 361, the locking block 35 includes a first locking surface 351 and a second locking surface 352 opposite to each other, and when the directions of the two magnetic poles of the permanent magnet 34 are parallel to the sliding direction of the contact 12, the first locking surface 351 or the second locking surface 352 is parallel to the landing surface 361 and abuts against the landing surface 361.
The N pole of the permanent magnet 34 is located closest to the rotation axis of the cam 33 on the outer circumferential side of the cam 33, and the S pole of the permanent magnet 34 is located closest to the rotation axis of the cam 33 on the outer circumferential side of the cam 33.
With the S pole of the permanent magnet 34 facing the contact 12 as an initial position, the electromagnetic coil 31 is supplied with forward current, the N pole of the electromagnetic coil 31 is located at one end close to the cam 33, the S pole is located at one end far away from the cam 33, the permanent magnet 34 on the cam 33 needs to ensure that the N pole is opposite to the electromagnetic coil 31, the S pole is close to the electromagnetic coil 31, so that the furthest end corresponding to the N pole of the permanent magnet 34 is far away from the electromagnetic coil 31, the cam 33 rotates clockwise, the furthest end rotates between the landing surface 361 and the contact 12, and contacts 12 are abutted to the periphery of the furthest end or the furthest end until the contact 12 extends for a longer length, until the second locking surface 352 and the landing surface 361 are parallel to and abutted against each other, at this time, the rotation of the N pole of the permanent magnet 34 faces the contact 12, the rotation of the cam 33 is limited, the extension length of the contact 12 is also limited after the electromagnetic coil 31 is powered off, the extension length of the contact 12 is stabilized, and the contact 12 is in a state of longer extension length.
Similarly, with the N pole of the permanent magnet 34 facing the contact 12 as an initial position, the electromagnetic coil 31 is energized with a reverse current, the S pole of the electromagnetic coil 31 is located at one end close to the cam 33, the N pole is located at one end far away from the cam 33, the permanent magnet 34 on the cam 33 needs to ensure that the S pole is opposite to the electromagnetic coil 31, the N pole is close to the electromagnetic coil 31, the cam 33 rotates counterclockwise, so that the nearest end corresponding to the permanent magnet 34S is far away from the electromagnetic coil 31, the farthest end is close to the electromagnetic coil 31, the nearest end rotates between the landing surface 361 and the contact 12 until the nearest end or the nearest end abuts against the contact 12, until the first locking surface 351 is parallel to and abuts against the landing surface 361, the S pole of the permanent magnet 34 faces the contact 12, the farthest end does not contact 12, the nearest end contacts the contact 12 to retract the contact 12, the extending distance of the contact 12 is small, at this time, rotation of the cam 33 is limited, after the electromagnetic coil 31 is powered off, the extending length of the contact 12 is limited, the extending length of the contact 12 is stabilized, and the contact 12 is in a state with a small extending length.
In the embodiment of the present application, the sliding direction of the contact 12 is parallel to the vertical direction, the cam 33 includes a wheel disc connected to two ends of the rotating shaft, and the locking block 35 is located at one side of the rotating shaft. The locking piece 35 is connected on the pivot between two rim plates, and locking piece 35 begins to extend to one side of pivot from the pivot, and locking piece 35 wholly is located on one side of pivot, and permanent magnet 34 is fixed in locking piece 35. The snap-on block 36 is located at one side of the rotating shaft of the cam 33 facing away from the contact 12, the lapping surface 361 is horizontally arranged, the first locking surface 351 and the second locking surface 352 are perpendicular to the magnetic pole direction of the permanent magnet 34, and when the directions of the two magnetic poles of the permanent magnet 34 are parallel to the sliding direction of the contact 12, the first locking surface 351 and the second locking surface 352 of the locking block 35 are horizontally lapped on the lapping block 36 to limit the rotation of the cam 33.
The sliding direction of the contact 12 is parallel to the vertical direction, and an included angle between a ray parallel to the first locking surface 351 and a ray passing through the distal-most end of the cam 33 is smaller than 90 ° and larger than 0 ° with the rotation axis of the cam 33 as a starting point. When the directions of the two magnetic poles of the permanent magnet 34 are parallel to the slip direction of the contact 12, the line on the outer peripheral side surface of the cam 33 that is farthest and closest to the rotation axis of the cam 33 is not parallel to the slip direction of the contact 12, and is not perpendicular to the slip direction of the contact 12. Specifically, when the N pole of the permanent magnet 34 contacts the contact 12, the lock block 35 and the overlap block 36 are in a limit state, and at this time, the most distal end of the cam 33 is not opposite to the contact 12, not at the highest point, but is biased to one side of the lock block 35, if the lock block 35 and the overlap block 36 are not limited, the cam 33 will continue to rotate under the action of gravity, but the cam 33 with the lock block 35 and the overlap block 36 will not continue to rotate under the action of gravity, and at the same time, the cam 33 will not rotate to the other side under the action of gravity of the cam 33. The gravity center of the cam 33 is arranged on one side of the locking block 35, and the gravity center of the cam 33 is slightly inclined, so that the locking block 35 can be stably lapped on the lap joint block 36, and the self-locking stability of the contact 12 is improved. When the S pole of the permanent magnet 34 contacts the contact 12, the most distal end of the cam 33 is not just opposite to the contact 12, but the most distal end of the cam 33 is not at the lowest end, but is biased to one side of the locking block 35, if the limitation of the locking block 35 and the overlap block 36 is not included, the cam 33 continues to rotate under the action of gravity, but the limiting cam 33 with the locking block 35 and the overlap block 36 does not continue to rotate under the action of gravity, and meanwhile, the most distal end of the cam 33 does not rotate upwards under the action of gravity of the cam 33, and is not easy to swing under the condition of shaking. The gravity center of the cam 33 is arranged on one side of the locking block 35, and the gravity center of the cam 33 is slightly inclined, so that the locking block 35 can be stably lapped on the lap joint block 36, and the self-locking stability of the contact 12 is improved.
In other embodiments, the sliding direction of the contact 12 may be set horizontally, or other directions, so that when the directions of the two magnetic poles of the permanent magnet 34 are parallel to the sliding direction of the contact 12, the locking block 35 can be stably overlapped on the overlap block 36 under the action of gravity of the cam 33 and the locking block, so that the first locking surface 351 and the second locking surface 352 of the locking block 35 are horizontally overlapped on the overlap block 36 to limit the rotation of the cam 33.
When the directions of the two magnetic poles of the permanent magnet 34 are parallel to the sliding direction of the contact 12, the magnetic pole direction of the permanent magnet 34 and the magnetic pole direction of the electromagnetic coil 31 are parallel to each other but not on the same straight line, and when the electromagnetic coil 31 is electrified again, the magnetic field of the electromagnetic coil 31 is convenient to generate suction force or repulsive force to the permanent magnet, and is convenient to rotate in the driving cam 33 to form a rotating moment.
The electromagnetic coil 31 is provided with a magnetizer 32 therein to increase the magnetic force generated. In the present embodiment, the top end of the magnetic conductor 32 is flush with the landing surface 361 of the landing block 36 so that the magnetic conductor 32 is as close as possible to the permanent magnet 34 on the cam 33.
As shown in fig. 2 and fig. 5, the second module 2 includes a base 21 and a plurality of connection port groups 22 disposed on the base 21, the connection port groups 22 are in one-to-one correspondence with the plug groups 13, and after the first module 1 and the second module 2 are mounted in a matching manner, the plug groups 13 are inserted into the connection port groups 22 to form an electrical connection. The application enables the first module 1 and the second module 2 to form electric connection in a plugging mode without wires or flat cable connection, and has the characteristics of convenient disassembly, assembly, maintenance and the like.
The touch display device further comprises an assembly bottom plate, a plurality of second modules 2 are detachably arranged on the assembly bottom plate, the second modules 2 are arranged on the assembly bottom plate in an array mode, each second module 2 can be used for being inserted into the first module 1, welding spots corresponding to the wiring port groups 22 one by one are arranged on the assembly bottom plate, the wiring port groups 22 are welded with the welding spots to form electric connection, forward current or reverse current is input to the welding spots of different groups, so that the electromagnetic coil 31 drives the contact 12 to do different motions through the cam 33, the contact 12 stretches out by a preset length, and the contact 12 of the first modules 1 is partially stretched out and is not partially stretched out, thereby realizing large-area braille display. A plurality of first modules 1 are inserted on the second module 2, so that the combination of the large-area braille contacts 12 is realized, the effect of the braille books is more similar, and the reading speed of the blind can be improved.
One the plug includes two jack bars 19, one the wiring port group 22 includes two jacks, the jack includes hole 23 and two contact bars 24 that are located in the hole 23 on the base 21, same two in the hole 23 contact bars 24 interval sets up, two in the same hole 23 contact bars 24 opposite one side is close to the one end of first module 1 is equipped with protruding 25, contact bars 24 have elasticity, contact bars 24 are used for supporting tightly on jack bars 19 and forming the electrical connection, the diapire of base 21 is equipped with and connects welding pole 26 with two contact bars 24 in the same hole 23, welding pole 26 is used for carrying out the welding with the solder joint and forms the electrical connection.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present application should be included in the present application. Therefore, the protection scope of the application is subject to the protection scope of the claims.
Claims (7)
1. A tactile display device having a self-locking mechanism, comprising:
the first module (1) comprises a support shell (11), a plurality of contacts (12), a plurality of driving mechanisms and a plurality of plug groups (13), wherein the contacts (12) are slidably arranged on the support shell (11), the driving mechanisms are arranged in the support shell (11), the driving mechanisms and the contacts (12) are in one-to-one correspondence, the driving mechanisms comprise electromagnetic coils (31), cams (33) and permanent magnets (34), the cams (33) are rotatably arranged on the support shell (11), the peripheral side surfaces of the cams (33) are contacted with one ends of the contacts (12), the permanent magnets (34) are fixed on the cams (33), two magnetic poles of the electromagnetic coils (31) are arranged along the sliding direction of the contacts (12), the plug groups (13) are connected with the electromagnetic coils (31), control signals are input to the plug groups (13), the magnetic poles of the electromagnetic coils (31) are changed through the control signals, the driving permanent magnets (34) drive the cams (33) to rotate so as to drive the contacts (12) to reciprocate on the support shell (11), the cams (33) are arranged in the support shell (11), when the directions of two magnetic poles of the permanent magnet (34) are parallel to the sliding direction of the contact (12), the locking block (35) is lapped on the lapping block (36) to limit the rotation of the cam (33), the lapping block (36) is positioned on one side of the rotating shaft of the cam (33) opposite to the contact (12), the side surface of the lapping block (36) facing the contact (12) is used as a lapping surface (361), the locking block (35) comprises a first locking surface (351) and a second locking surface (352) which are opposite, and when the directions of two magnetic poles of the permanent magnet (34) are parallel to the sliding direction of the contact (12), the first locking surface (351) or the second locking surface (352) is parallel to the lapping surface (361) and is abutted on the lapping surface (361);
the second module (2) comprises a base (21) and a plurality of wiring port groups (22) arranged on the base (21), the wiring port groups (22) are in one-to-one correspondence with the plug groups (13), and after the first module (1) and the second module (2) are mounted in a matched mode, the plug groups (13) are inserted into the wiring port groups (22) to form electric connection.
2. A tactile display device with self-locking mechanism according to claim 1, wherein the first module (1) further comprises a top cover (14), the top cover (14) covers one side of the supporting housing (11) where the contacts (12) are installed, a sliding hole (15) through which the contacts (12) pass is formed in the top cover (14), at least two protruding fixing posts (16) are formed in one side of the supporting housing (11) opposite to the top cover (14), fixing holes (17) corresponding to the fixing posts (16) are formed in the top cover (14), and the fixing posts (16) are bonded with the inner walls of the fixing holes (17).
3. A tactile display device with self-locking mechanism according to claim 1, wherein a magnetic attraction body (18) is arranged at one end of the contact (12) close to the cam (33).
4. A tactile display device with self-locking mechanism according to claim 1, wherein the sliding direction of the contact (12) is parallel to the vertical direction, and the angle between the ray parallel to the first locking surface (351) and the ray passing through the outermost end of the rotation axis of the cam (33) on the peripheral side of the cam (33) is smaller than 90 ° and larger than 0 ° with the rotation axis of the cam (33) as a starting point.
5. A tactile display device with self-locking mechanism according to claim 1, wherein the locking block (35) is located at one side of the rotation axis of the cam (33).
6. The tactile display device with the self-locking mechanism according to claim 1, further comprising an assembly bottom plate, wherein a plurality of second modules (2) are detachably mounted on the assembly bottom plate, the plurality of second modules (2) are arranged on the assembly bottom plate in an array manner, each second module (2) can be used for being inserted into the first module (1), welding spots which are in one-to-one correspondence with the wiring port groups (22) are arranged on the assembly bottom plate, and the wiring port groups (22) are welded with the welding spots to form electric connection, and the welding spots are used for inputting control signals.
7. A tactile display device with self-locking mechanism according to claim 6, wherein one of said plugs comprises two plug bars (19), one of said terminal port groups (22) comprises two plug holes, said plug holes comprise a hole (23) in a base (21) and two contact bars (24) located in said hole (23), two of said contact bars (24) in the same hole (23) are arranged at intervals, one side of the same hole (23) opposite to said contact bars (24) is provided with a protrusion (25) at the end near said first module (1), said contact bars (24) are elastic, said contact bars (24) are adapted to abut against said plug bars (19) and form an electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310960976.2A CN116700533B (en) | 2023-08-02 | 2023-08-02 | Touch display device with self-locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310960976.2A CN116700533B (en) | 2023-08-02 | 2023-08-02 | Touch display device with self-locking mechanism |
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| Publication Number | Publication Date |
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| CN116700533A CN116700533A (en) | 2023-09-05 |
| CN116700533B true CN116700533B (en) | 2023-11-17 |
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| CN202310960976.2A Active CN116700533B (en) | 2023-08-02 | 2023-08-02 | Touch display device with self-locking mechanism |
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| CN (1) | CN116700533B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| DE112021004280T5 (en) * | 2020-08-12 | 2023-06-01 | Beacon Street Innovations, Llc | UPDATEABLE TACTILE DISPLAY |
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| CN116700533A (en) | 2023-09-05 |
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