A sheet metal touch frame assembly structure and assembly method thereof and an interactive tablet

Abstract

The present invention discloses a sheet metal touch frame assembly structure and an assembly method thereof and an interactive flat panel, and relates to the technical field of display device manufacturing. Specifically, a limiter between a side frame and an upper frame and / or a limiter between a side frame and a lower frame in a frame structure and a frame of an interactive flat panel is detachably connected to a frame body. During the assembly process, a filter component in the side frame can be displaced along the length direction of the side frame to avoid interference with the filter component in the upper frame or the lower frame during the installation of the side frame. There is no need to disassemble the upper frame or the lower frame, which improves the assembly efficiency while avoiding the increase of the assembly gap of the frame body, thereby improving the assembly accuracy of the frame body and the interactive flat panel.

Description

Technical Field

[0001] The present invention relates to the technical field of display device manufacturing, and in particular to a sheet metal touch frame assembly structure and an assembly method thereof, and an interactive flat panel. Background Art

[0002] The infrared technology touch screen is an interactive screen composed of infrared emitting and receiving sensing elements installed on the touch screen frame. An infrared detection network is formed on the screen surface. Any touching object can change the infrared on the contact point to realize touch screen operation.

[0003] In the field of commercial large-screen displays, there are currently two types of frame structures: sheet metal frames and profile frames. Considering the cost and commonality issues, sheet metal frames and profile frames of the same size will use the same set of filter components. However, this will lead to the problem of mutual interference in the assembly process in the sheet metal frame structure because the filter components do not need to be limited by the corner pieces in the profile frame, and the sheet metal frames are mostly one-piece structures. Operators need to disassemble and reassemble the sheet metal frame to complete the assembly of the filter components. It is difficult for individuals to complete this process step. The reassembled frame will make it difficult to control the equipment assembly gap, resulting in increased gaps and abnormal defect rates, and also reducing production and assembly efficiency. Summary of the invention

[0004] One of the purposes of the embodiments of the present invention is to provide a sheet metal touch frame assembly structure, in which the limiter at at least one end of the frame is made into a detachable structure, thereby providing sufficient assembly space for the filter assembly, thereby solving the above-mentioned problems existing in the prior art.

[0005] A second objective of the embodiment of the present invention is to provide a sheet metal touch frame assembly method to improve the assembly efficiency and assembly accuracy of the infrared technology touch screen of the sheet metal touch frame.

[0006] A third purpose of the embodiment of the present invention is to provide an interactive tablet to improve the assembly efficiency and accuracy of the interactive tablet.

[0007] To achieve one of the above purposes, the present invention adopts the following technical solutions:

[0008] On the one hand, a sheet metal touch frame assembly structure is provided, comprising a plurality of sections of a sheet metal frame, wherein the plurality of sections of the frame are connected in sequence and enclose an area for setting a display module; a receiving groove arranged along its length direction is formed on the inner side of the frame, and the receiving grooves of any two adjacent frames are connected; a filter assembly, wherein the filter assembly is detachably embedded in the receiving groove; the frame comprises a side frame and an upper frame and a lower frame respectively connected to both ends of the side frame, and a limiting member is respectively provided between the side frame and the upper frame and the lower frame, and the limiting member is used to limit the degree of freedom of the filter assembly in the length direction of the corresponding frame; the limiting member between the side frame and the upper frame and / or the limiting member between the side frame and the lower frame are detachably connected to the frame.

[0009] In order to achieve the second of the above-mentioned objectives, the present invention adopts the following technical solutions:

[0010] On the other hand, a sheet metal touch frame assembly method is provided, comprising the following steps:

[0011] S10, installing the touch frames into the corresponding filter strips respectively;

[0012] S20, installing the filter strips with the touch frame installed into the upper frame and the lower frame respectively;

[0013] S30, obliquely inserting the filter assembly into the end of the side frame without the limiter, so that one end of the filter strip is placed in the receiving groove of the side frame close to the upper frame or the lower frame;

[0014] S40, pushing the touch frame in the filter strip in the side frame toward the upper frame or the lower frame, so that the touch frame portion extends from the opening close to one end of the upper frame or the lower frame and is placed in the receiving groove, and ensuring that the touch frame does not extend from the opening at the other end of the filter strip;

[0015] S50, pushing the bottom of the filter strip corresponding to the side frame into the receiving groove of the side frame, so that the filter assembly is completely installed in the side frame;

[0016] S60, pushing the touch frame in the filter strip disposed in the side frame toward the lower frame or the upper frame, so that an installation space is formed between the side frame and the upper frame or the lower frame;

[0017] S70: Assemble limiting components in the installation space so that the limiting components respectively limit the touch frame in the side frame and the touch frame in the upper frame or the lower frame.

[0018] In order to achieve the third of the above objectives, the present invention adopts the following technical solutions:

[0019] On the other hand, an interactive tablet is provided, comprising the sheet metal touch frame assembly structure as described above.

[0020] The beneficial effects of the present invention are as follows: in the sheet metal touch frame assembly structure, limiting pieces are respectively provided between the side frame and the upper frame and the lower frame, and the limiting pieces between the side frame and the upper frame and / or the limiting pieces between the side frame and the lower frame are detachably connected to the frame, so that the filter assembly in the upper frame or the filter assembly in the lower frame will not be interfered by the filter assembly in the side frame during the assembly process; through the sheet metal touch frame assembly method, the filter assembly in the side frame can be removed by removing the limiting pieces to free up a certain displacement space for it, and when assembling the filter assembly in the upper frame or the lower frame, the filter assembly in the side frame is moved to make enough installation space for the filter assembly in the upper frame or the lower frame, without the need to disassemble the upper frame or the lower frame, thereby improving the assembly efficiency and avoiding the increase of the assembly gap of the frame, thereby improving the assembly accuracy of the frame and the interactive flat panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention is further described in detail below based on the accompanying drawings and embodiments.

[0022] Figure 1 This is a schematic diagram of the overall structure of the sheet metal touch frame assembly and the interactive flat panel according to an embodiment of the present invention;

[0023] Figure 2 This is a schematic diagram of the cross-sectional structure of the frame according to an embodiment of the present invention;

[0024] Figure 3 It is a partially enlarged schematic diagram of the sheet metal touch frame assembly structure according to an embodiment of the present invention;

[0025] Figure 4 It is a partially enlarged exploded view of the sheet metal touch frame assembly structure according to an embodiment of the present invention;

[0026] Figure 5 This is one of the schematic diagrams of the limiter structure according to the embodiment of the present invention;

[0027] Figure 6 This is a second schematic diagram of the structure of the position-limiting member according to an embodiment of the present invention;

[0028] Figure 7 This is a schematic diagram of the state of step S10 of the sheet metal touch frame assembly method according to an embodiment of the present invention;

[0029] Figure 8 This is a schematic diagram of the state of step S20 of the sheet metal touch frame assembly method according to an embodiment of the present invention;

[0030] Fig. 9 This is a schematic diagram of the state of steps S30-S40 of the sheet metal touch frame assembly method according to an embodiment of the present invention;

[0031] Fig.10This is a schematic diagram of the state of steps S50-S60 of the sheet metal touch frame assembly method according to an embodiment of the present invention;

[0032] Fig.11 This is a state diagram of step S70 of the sheet metal touch frame assembly method according to an embodiment of the present invention.

[0033] In the figure: 10, frame; 11, accommodating groove; 12, side frame; 13, upper frame; 14, lower frame; 15, limiting member; 151, fixing portion; 152, limiting portion; 153, pressing portion; 16, pressing block; 161, pressing space; 17, enclosure; 18, first accommodating section; 19, second accommodating section; 20, tempered glass; 30, filter assembly; 31, filter strip; 311, installation cavity; 32, touch frame. DETAILED DESCRIPTION

[0034] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention are further described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0035] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0037] like Figure 1-Figure 4As shown, the present embodiment provides a sheet metal touch frame assembly structure for use in conjunction with a commercial display screen to improve the production, assembly efficiency and precision of the sheet metal frame and the display device. The sheet metal touch frame assembly structure includes a plurality of sections of a frame 10 having a sheet metal structure. The plurality of sections of the frame 10 are sequentially connected and enclose an area for setting a display module. The frame 10 of the sheet metal structure is a sheet metal part. When it is applied to a commercial display screen, specifically to an interactive flat panel device, the frame 10 is arranged on the periphery of the display module as a frame structure of the display module. The frame 10 may be a frame structure formed by splicing multiple sections together. The frames 10 are all arranged on the outer edge of the display module and match the shape of the outer edge of the display module. In general, the shape of the display module in the positive projection direction is a rectangle, which is of course not limited to other shapes. The length of a section of the frame 10 is generally determined according to the connection structure between the frames 10, and is generally matched with the length of one side edge of the display module. Specifically, the length of a single-section frame 10 will be slightly longer or shorter than the length of the corresponding side edge of the display module. When the single-section frame 10 is slightly shorter than the corresponding side edge, the frames 10 can be connected by connecting parts such as corner pieces. When the single-section frame 10 is slightly longer than the corresponding side edge, the frames 10 can be welded or directly rolled or bent by a section of the frame 10 to form an integrated structure. Taking a rectangular display module as an example, the display module has two long sides and two short sides, and the frame 10 is arranged around the periphery of the display module in a single-section structure or an integrated structure.

[0038] The frame 10 of the sheet metal structure can be formed by multiple roll forming by a roller press according to the requirements of the frame 10 structure. Compared with the traditional profile frame, the roll forming frame 10 has the characteristics of higher processing efficiency, lower processing difficulty and lighter weight. At the same time, the production cost of the sheet metal is lower than the processing cost of the profile structure. The sheet metal structure occupies less installation space. After being installed on the display module, it occupies a smaller proportion on the display module, allowing the display device to have a narrower frame structure.

[0039] The inner side of the frame 10 is formed with a receiving groove 11 arranged along its length direction, and the receiving grooves 11 of any two adjacent frames 10 are connected. It also includes a filter component 30 for realizing infrared touch sensing. The filter component 30 is detachably embedded in the receiving groove 11, and is respectively arranged between the filter bars 31 in the two adjacent receiving grooves 11 to achieve mutual abutment and positioning.

[0040] Taking a rectangular frame structure as an example, the frame body 10 includes two side frames 12 relatively arranged on the left and right sides of the display module, and an upper frame 13 and a lower frame 14 respectively connected to the two ends of the side frames 12. The upper frame 13 and the lower frame 14 are respectively arranged on the upper side and the lower side of the display module. In this embodiment, the ends of the two side frames 12 are respectively connected to the upper frame 13, so that the two side frames 12 and the upper frame 13 are integrally formed, and the two ends of the lower frame 14 are respectively detachably connected to the other end of the two side frames 12. In general, the processing and shipment of the frame body 10 are shipped as a whole. Therefore, the assembly of the filter component 30 needs to be done at the side. The frames are connected and fixed to each other. If the filter components 30 interfere with each other during the assembly process of the filter components 30, the frames need to be disassembled and reassembled, which increases the possibility of increasing the assembly gap and causes a decrease in the assembly accuracy of the product. In addition, the number of frames may depend on the extension structure of the display module. Of course, different numbers of frames may be used according to actual needs during the assembly process of the display module. The distance between adjacent frames may be limited according to the extension structure of the display module. A certain angle may be formed between any two adjacent frames, and the specific angle depends on the extension angle of the display module.

[0041] In order to limit the relative freedom of the filter assembly 30 arranged in each frame, a limiter 15 is respectively provided between the side frame 12 and the upper frame 13 and the lower frame 14. The limiter 15 is used to limit the freedom of the filter assembly 30 in the length direction of the corresponding frame 10; the limiter 15 between the side frame 12 and the upper frame 13 and / or the limiter 15 between the side frame 12 and the lower frame 14 are detachably connected to the frame 10.

[0042] Furthermore, opposite ends of the filter strip 31 disposed in the side frame 12 abut against the sides of the filter strip 31 installed in the upper frame 13 and the lower frame 14 , respectively, ensuring that the filter strip 31 in the side frame 12 can be accurately positioned.

[0043] After the assembly is completed, at least one end of the touch frame 32 abuts against the stopper 15 , ensuring that the touch frame 32 uses the stopper 15 at one end as a positioning reference surface, thereby reducing the possibility of the touch frame 32 being offset.

[0044] like Figure 5-Figure 6As shown, specifically, the limiting member 15 includes a fixing portion 151 and a limiting portion 152, the limiting portion 152 is arranged on one side of the fixing portion 151, in this embodiment, the fixing portion 151 is a sheet metal member with a through positioning hole on the surface, and the limiting portion 152 is also a sheet metal structure member integrally formed with the fixing portion 151, the fixing portion 151 can be detachably fixed to the frame 10, the fixing portion 151 can be fixed to the upper frame 13 or the lower frame 14, and can also be fixed to the side frame 12, and only needs to be fixed on the frame 10 for installation A mounting hole matching the positioning hole can be provided at the position where the fixing portion 151 is installed. The limiting portion 152 is placed between two adjacent receiving grooves 11 to limit the two adjacent filter assemblies 30. In this embodiment, the detachable limiting member 15 is arranged on the upper frame 13 and installed on the upper part of the receiving groove 11. In order to allow the limiting portion 152 to be placed between the two adjacent receiving grooves 11, a drop structure is formed between the fixing portion 151 and the limiting portion 152, which specifically has a cross-sectional shape similar to a "Z" shape.

[0045] Further, the stopper 15 further includes a pressing portion 153, which is fixed to the fixing portion 151 and located on the adjacent side of the stopper 152. As shown in the figure, in the top projection direction of the stopper 15, the center line of the fixing portion 151 and the center line of the limiting portion 152 intersect vertically on the fixing portion 151. In this embodiment, the pressing portion 153 is also a sheet metal structure integrally formed with the fixing portion 151. The pressing portion 153 extends from the accommodating groove 11 on one side of the frame 10 and cooperates with the filter assembly 30 to form a member for fixing the display module. The pressing space 161, since the above-mentioned fixing portion 151 is arranged at the upper part of the accommodating groove 11, therefore, in order to adapt to the height of the display module, there is a certain height difference between the fixing portion 151 and the pressing portion 153, which is specifically similar to a "Z"-shaped cross-sectional shape. Moreover, the pressing space 161 formed between the pressing portion 153 and the filter strip 31 is used to press the tempered glass 20 in the display module. The filter strip 31 is located at the upper part of the light emitting portion to form a step structure opposite to the pressing portion 153, and the tempered glass 20 is sandwiched between the two.

[0046] In order to make the tempered glass 20 clamped more stably, the frame 10 is provided with a plurality of pressing blocks 16 at intervals along its length direction. The plurality of pressing blocks 16 are respectively fixed on the upper part of the accommodating groove 11 and one end thereof extends out from one side of the accommodating groove 11, and cooperates with the filter assembly 30 to form a pressing space 161 for fixing the display module. Compared with the traditional sheet metal touch frame, the present solution can reduce the number of pressing blocks 16, because the limiting member 15 has the function of pressing the tempered glass 20 in addition to limiting the movement of the touch frame 32. Therefore, in the length direction of the frame 10, the pressing blocks 16 used in the present embodiment can be less than the sheet metal touch frame of the traditional solution.

[0047] In order to make the filter strip 31 more stably positioned, the frame 10 includes a surrounding plate 17, a first accommodating section 18 disposed at the lower edge of the surrounding plate 17, and a second accommodating section 19 disposed at the upper edge of the surrounding plate 17. The first accommodating section 18 and the second accommodating section 19 are disposed opposite to each other, and a accommodating groove 11 is formed between the surrounding plate 17, the first accommodating section 18 and the second accommodating section 19. Specifically, the first accommodating section 18 and the second accommodating section 19 are disposed opposite to each other and are parallel to each other, so as to adapt to the upper and lower parts of the filter strip 31 being parallel to each other. The planar structure, the first accommodating section 18, the enclosure 17 and the second accommodating section 19 can be integrally formed, or they can be processed separately and then connected and fixed by connecting parts or welding, bonding and other processes. In this example, in order to save materials, the first accommodating section 18 is formed by bending the lower edge of the enclosure 17 to support the bottom of the filter strip 31, and the second accommodating section 19 is a plurality of separate sheet metal parts, and the plurality of second accommodating sections 19 are fixed on the frame along the corresponding frame intervals to press the upper part of the filter strip 31.

[0048] In this embodiment, the number of the pressing blocks 16 is less than the number of the second accommodating sections 19, and the pressing blocks 16 are fixed on the upper part of part of the second accommodating sections 19, one end of the pressing block 16 is fixedly arranged on the upper part of the second accommodating section 19, and the other end of the pressing block 16 extends out of the second accommodating section 19, and in the horizontal direction, the other end of the pressing block 16 is located between the first accommodating section 18 and the second accommodating section 19, ensuring that the height of the pressing space 161 matches the height of the tempered glass 20.

[0049] As a further solution, the filter assembly 30 includes multiple filter strips 31 and touch frames 32 whose number corresponds to the filter strips 31. An installation cavity 311 for installing the touch frame 32 is formed in the filter strip 31. The installation cavity 311 passes through the two opposite ends of the filter strip 31 so that an opening is formed at its end; the limiter 15 is arranged between two adjacent openings and limits the touch frames 32 in the two adjacent filter strips 31 respectively.

[0050] The touch frame 32 generally includes a PCB board and an infrared tube. The touch frame 32 is arranged along the length direction of the installation cavity 311. The infrared tube is electrically connected to the PCB board and faces the light emitting portion of the filter strip 31. The touch frame 32 enters the installation cavity 311 from the opening at one end of the corresponding filter strip 31. When the touch frame 32 needs to be inspected or replaced, it can be taken out from the opening of the installation cavity 311, thereby making the installation and disassembly of the touch frame 32 in the installation cavity 311 convenient and quick. There is no need to go through a complicated disassembly process to disassemble the frame structure. The touch frame 32 can be taken out from the opening, saving the time required for inspection, maintenance and replacement of components, and saving labor costs.

[0051] The filter strip 31 can be made of PC or plastic material. The infrared rays emitted by the infrared frame can be detachably connected through the limiting ribs set in the filter strip 31 to clamp the infrared frame in the limiting ribs. Of course, it can also be combined by fixed connection methods such as bonding, ultrasonic welding, etc.

[0052] The PCB board drives the infrared tube to emit infrared rays that penetrate the filter strip 31 and emit them to the receiving component that is arranged corresponding to it (in the structure of another frame 10), so that the infrared rays penetrate the corresponding receiving-end filter strip 31 and then emit them to the receiving infrared tube. The receiving infrared tube transmits the received infrared signal to the PCB board to realize the transmission of the infrared signal. When the user operates on the infrared touch screen, the user blocks the infrared rays emitted by the transmitting infrared tube, and the receiving component cannot receive the infrared rays emitted by the transmitting component. The infrared touch device can locate the input signal according to the change of the signal.

[0053] In the conventional sheet metal touch frame structure, the limiting structure between the frames for limiting the relative freedom of the filter assembly 30 is relatively fixed to the frame and cannot be disassembled. Therefore, during the assembly process of the filter assembly 30, the filter assembly 30 in the upper frame 13 or the lower frame 14 will be interfered with by the filter assembly 30 in the side frame 12. The reason is that for the sake of commonality and cost considerations, the profile frame and the sheet metal frame use the same filter assembly 30. Therefore, in the sheet metal frame structure, the length of the touch frame 32 in the filter assembly 30 in the side frame 12 is greater than the length of the filter strip 31, and both ends of the touch frame 32 are They extend out from the openings at both ends of the filter strip 31 respectively. In the profile frame, the touch frame 32 portion extending from the opening is used to cooperate with the corner pieces in the profile frame for positioning. However, in the sheet metal frame structure, there are no corner pieces, and the sheet metal frames are mostly one-piece structures. For example, the upper frame 13 and the two side frames 12 cannot be directly disassembled. The filter assembly 30 must be assembled in the case of the upper frame 13 and the two side frames 12 being one-piece structure, resulting in the filter assembly 30 in the lower frame 14 that is subsequently installed being interfered with by the touch frame 32 portion extending from the opening and being unable to be directly installed into the lower frame 14.

[0054] Continuing from the above, the assembly steps of the filter assembly 30 of the traditional sheet metal touch frame are as follows:

[0055] S10, the touch frames 32 are respectively installed in the filter strips 31;

[0056] S20, after the filter strip 31 is installed in the upper frame 13, the filter strips 31 are installed in the frames 12 on both sides respectively;

[0057] S30, dismantling the lower frame 14 from the frame body 10 and separating it from the two side frames 12, and installing the filter strip 31 into the lower frame 14;

[0058] S40 , the lower frame 14 is reinstalled into the frame body 10 structure and reassembled with the two side frames 12 .

[0059] Such process steps are difficult to be completed by one person, and there is a risk that the assembly gap of the frame body 10 structure after disassembly and reassembly will become larger, which is not conducive to improving the product yield.

[0060] Therefore, if Figure 7-Figure 11 As shown, this embodiment also provides a sheet metal touch frame assembly method, which is specifically assembled according to the above sheet metal touch frame assembly structure, including the following steps:

[0061] like Figure 7 The frame 10 is shown as a state where the filter assembly 30 is not installed. S10, the touch frames 32 are installed in the corresponding filter bars 31 respectively, so that the multiple filter bars 31 are all embedded with the touch frames 32. In this embodiment, the filter bar 31 has four sections, two filter bars 31 are respectively installed in the touch frames 32 for emitting infrared rays, and the other two filter bars 31 are respectively installed in the touch frames 32 for receiving infrared rays.

[0062] like Figure 8 As shown, S20, the filter strip 31 with the touch frame 32 installed is installed into the upper frame 13 and the lower frame 14 respectively;

[0063] like Fig. 9 As shown, S30, the filter assembly 30 is obliquely installed at the end of the side frame 12 where the limiting member 15 is not installed, so that one end of the filter strip 31 is placed in the receiving groove 11 of the side frame 12 close to the upper frame 13 or the lower frame 14. In this example, the limiting member 15 is not installed between the side frame 12 and the upper frame 13 in this step, and one end of the filter strip 31 is obliquely inserted into the receiving groove 11 of the end of the side frame 12 close to the upper frame 13;

[0064] S40, pushing the touch frame 32 in the filter bar 31 in the side frame 12 toward the upper frame 13 or the lower frame 14. In this embodiment, the touch frame 32 in the filter bar 31 in the side frame 12 is pushed toward the upper frame 13, so that the touch frame 32 partially extends from the opening close to one end of the upper frame 13 and is placed in the receiving groove 11, and ensure that the touch frame 32 does not extend from the opening at the other end of the filter bar 31, so that sufficient installation space is freed for the touch frame 32 at the other end, so as to avoid interference between the filter bar 31 and the filter bar 31 in the lower frame 14 when the other end of the filter bar 31 is installed in the side frame 12;

[0065] like Fig.10 As shown, S50, push the bottom of the filter strip 31 corresponding to the side frame 12 into the receiving groove 11 of the side frame 12, so that the filter assembly 30 is completely installed in the side frame 12;

[0066] S60, pushing the touch frame 32 in the filter strip 31 in the side frame 12 toward the lower frame 14, so that an installation space is formed between the side frame 12 and the upper frame 13, and a mounting position is reserved for the position-limiting member 15;

[0067] like Fig.11 As shown, S70, assemble the limiting member 15 in the installation space, so that the limiting member 15 limits the touch frame 32 in the side frame 12 and the touch frame 32 in the upper frame 13 or the lower frame 14 respectively.

[0068] By implementing the above-mentioned assembly method, the filter assembly 30 in the side frame 12 can be freed up a certain displacement space by removing the limiting member 15. When assembling the filter assembly 30 in the upper frame 13 or the lower frame 14, the filter assembly 30 in the side frame 12 is moved to make enough installation space for the filter assembly 30 in the upper frame 13 or the lower frame 14, without disassembling the upper frame 13 or the lower frame 14. While improving the assembly efficiency, it is avoided that the assembly gap of the frame 10 becomes larger, and the assembly accuracy of the frame 10 and the interactive flat panel is improved.

[0069] This embodiment also provides an interactive tablet, including the sheet metal touch frame assembly structure as described above, thereby improving the production, assembly efficiency and assembly accuracy of the interactive tablet product.

[0070] In the description of this article, it should be understood that the terms "upper", "lower", "left", "right", etc., directions or positional relationships are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0071] In the description of this specification, the description with reference to the terms "an embodiment", "example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example.

[0072] In addition, it should be understood that although this specification is described according to implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

[0073] The technical principle of the present invention is described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanations herein, those skilled in the art can associate other specific implementations of the present invention without paying creative labor, and these methods will fall within the scope of protection of the present invention.

Claims

1. A sheet metal touch frame assembly structure, characterized in that: include: A plurality of sections of a frame body (10) in a sheet metal structure, wherein the plurality of sections of the frame body (10) are sequentially connected and enclose an area for arranging a display module; The inner side of the frame (10) is formed with a receiving groove (11) arranged along the length direction thereof, and the receiving grooves (11) of any two adjacent frames (10) are connected; A filter assembly (30), the filter assembly (30) being detachably embedded in the receiving groove (11); The frame (10) comprises a side frame (12) and an upper frame (13) and a lower frame (14) respectively connected to two ends of the side frame (12); a limiting member (15) is respectively provided between the side frame (12) and the upper frame (13) and the lower frame (14); the limiting member (15) is used to limit the degree of freedom of the filter assembly (30) in the length direction of the corresponding frame (10); the limiting member (15) between the side frame (12) and the upper frame (13) and / or the limiting member (15) between the side frame (12) and the lower frame (14) are detachably connected to the frame (10); The limiting member (15) comprises a fixing portion (151) and a limiting portion (152), wherein the limiting portion (152) is arranged on one side of the fixing portion (151), the fixing portion (151) is detachably fixed to the frame (10), and the limiting portion (152) is arranged between two adjacent accommodating grooves (11) and is used to limit the positions of two adjacent filter assemblies (30); The limiting member (15) further comprises a pressing portion (153), wherein the pressing portion (153) is fixed to the fixing portion (151) and is located on the adjacent side of the limiting portion (152); the pressing portion (153) extends out of the accommodating groove (11) from one side of the frame body (10) and cooperates with the filter assembly (30) to form a pressing space (161) for fixing the display module.

2. The sheet metal touch frame assembly structure according to claim 1, characterized in that: The filter assembly (30) comprises a plurality of filter bars (31) and a touch frame (32) whose number corresponds to the filter bars (31); a mounting cavity (311) for mounting the touch frame (32) is formed in the filter bar (31); the mounting cavity (311) passes through two opposite ends of the filter bar (31) so that an opening is formed at the end thereof; The limiting member (15) is arranged between two adjacent openings and limits the movement of the touch frames (32) in two adjacent filter strips (31) respectively.

3. The sheet metal touch frame assembly structure according to claim 2, characterized in that: The opposite ends of the filter strip (31) disposed in the side frame (12) are respectively in contact with the side portions of the filter strip (31) installed in the upper frame (13) and the lower frame (14).

4. The sheet metal touch frame assembly structure according to claim 2, characterized in that: At least one end of the touch frame (32) abuts against the limiting member (15).

5. The sheet metal touch frame assembly structure according to claim 1, characterized in that: The frame (10) is provided with a plurality of pressing blocks (16) at intervals along its length direction; the plurality of pressing blocks (16) are respectively fixed to the upper portion of the accommodating groove (11) and one end thereof extends out from one side of the accommodating groove (11), and cooperate with the filter assembly (30) to form a pressing space (161) for fixing the display module.

6. The sheet metal touch frame assembly structure according to claim 5, characterized in that: The frame (10) comprises a surrounding plate (17), a first accommodating section (18) arranged at the lower edge of the surrounding plate (17), and a second accommodating section (19) arranged at the upper edge of the surrounding plate (17), wherein the first accommodating section (18) and the second accommodating section (19) are arranged opposite to each other; The enclosure plate (17), the first accommodating section (18) and the second accommodating section (19) form the accommodating groove (11).

7. The sheet metal touch frame assembly structure according to claim 6, characterized in that: One end of the pressing block (16) is fixedly arranged on the upper part of the second accommodating section (19), and the other end of the pressing block (16) extends out of the second accommodating section (19), and in the horizontal direction, the other end of the pressing block (16) is located between the first accommodating section (18) and the second accommodating section (19).

8. A sheet metal touch frame assembly method, characterized in that: The following steps are involved: S10, installing the touch frames (32) into the corresponding filter strips (31) respectively; S20, installing the filter strip (31) with the touch frame (32) installed into the upper frame (13) and the lower frame (14) respectively; S30, obliquely inserting the filter assembly (30) into the end of the side frame (12) not equipped with the limiting member (15), so that one end of the filter strip (31) is placed in the receiving groove (11) of the side frame (12) close to the upper frame (13) or the lower frame (14); S40, pushing the touch frame (32) in the filter strip (31) disposed in the side frame (12) toward the upper frame (13) or the lower frame (14), so that a portion of the touch frame (32) extends out from an opening close to one end of the upper frame (13) or the lower frame (14) and is placed in the receiving groove (11), and ensuring that the touch frame (32) does not extend out from the opening at the other end of the filter strip (31); S50, pushing the bottom of the filter strip (31) corresponding to the side frame (12) into the receiving groove (11) of the side frame (12), so that the filter assembly (30) is completely installed in the side frame (12); S60, pushing the touch frame (32) in the filter strip (31) disposed in the side frame (12) toward the lower frame (14) or the upper frame (13), so that an installation space is formed between the side frame (12) and the upper frame (13) or the lower frame (14); S70, assembling a limiting member (15) in the installation space, so that the limiting member (15) limits the touch frame (32) in the side frame (12) and the touch frame (32) in the upper frame (13) or the lower frame (14) respectively.

9. An interactive tablet, characterized in that: include: A sheet metal touch frame assembly structure as described in any one of claims 1 to 7.

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