AR main control box lock catch connecting device

Abstract

The invention belongs to the technical field of artificial intelligence, and discloses an AR main control box lock catch connecting device, which comprises a helmet fixing piece, a first pre-tightening spring, a second pre-tightening spring, a key, a main control box bottom plate and a key limiting column, and is characterized in that the helmet fixing piece is provided with a first strip-shaped lock hole and a through opening; the key is installed on the helmet fixing piece and provided with a second belt-shaped lock hole located above the through opening and a limiting long-strip-shaped hole in the direction perpendicular to the length direction of the second belt-shaped lock hole. The main control box bottom plate is provided with a first strip-shaped locking strip and a second strip-shaped locking strip which are respectively matched with the first strip-shaped locking hole and the second strip-shaped locking hole, barbs are arranged at the tops of the first strip-shaped locking strip and the second strip-shaped locking strip, the upper parts of the barbs are chamfering parts, and the lower parts of the barbs are clamping planes; the fixed ends of the first and second pre-tightening springs are connected to the helmet fixing piece, and the telescopic ends are connected to the key. The AR main control box lock catch connecting device has the advantages of being good in connecting stability, convenient to disassemble and assemble, simple and compact in structure, low in manufacturing cost and the like.

Description

Technical Field

[0001] The present invention belongs to the field of artificial intelligence technology, and in particular relates to a locking connection device for an AR main control box. Background Art

[0002] The field of artificial intelligence is currently an important frontier technology field. AR head-mounted display equipment is an important direction in this field and is widely used in emergency firefighting, industrial and civilian fields at home and abroad. On the AR head-mounted display equipment, an accompanying main control box is required to control the display command, similar to the mainframe of a computer. In many occasions, the main control parameters need to be adjusted at any time, so the main control box is required to be easy to disassemble and assemble. According to the product demand definition, the ideal position of the main control box is to be fixed on the helmet together with the display device, which requires a locking connection device with stable connection, easy disassembly and assembly, simple structure and low cost.

[0003] Conventional lock connection devices in the prior art cannot well meet the use requirements of the main control box. The main problems are as follows:

[0004] 1) The connection stability between the main control box and the helmet is poor. After the main control box and the helmet are connected through the conventional lock connection device, there is a large degree of relative shaking, which reduces the wearing comfort and aggravates the wear of the connection position between the helmet and the lock, reducing the life of the parts.

[0005] 2) Inconvenient disassembly and assembly. Conventional lock connection devices are cumbersome to disassemble and assemble, and most of them require the helmet to be removed for disassembly and assembly, which cannot meet the needs of special situations such as emergency firefighting.

[0006] 3) High manufacturing cost. Summary of the invention

[0007] In view of the technical problems existing in the above-mentioned prior art, the purpose of the present invention is to provide an AR main control box locking connection device, which solves the problems of poor connection stability, inconvenient disassembly and assembly, and high manufacturing cost between the existing main control box and the helmet while meeting functional requirements.

[0008] The AR main control box lock connection device provided by the present invention is used to connect the main control box to the helmet, including: a helmet fixing part, a first preload spring, a second preload spring, a button, a main control box bottom plate, and a button limit column, wherein:

[0009] The helmet fixing member comprises a fixing member body suitable for connecting the helmet and a bottom plate adjacent to the bottom plate of the main control box, wherein the bottom plate is provided with a first strip-shaped locking hole and a through opening;

[0010] The button is mounted on the helmet fixing part, the main body of the button is inserted into the helmet fixing part, the pressing end of the button is outside the helmet fixing part, the main body is provided with a second strip-shaped lock hole and a limiting long strip hole, the second strip-shaped lock hole is located above the through opening, and the width and length of the through opening are respectively greater than the width and length of the second strip-shaped lock hole, the limiting long strip hole is provided between the main body and the pressing end, and the direction of the limiting long strip hole is perpendicular to the length direction of the second strip-shaped lock hole, and the button limiting column is inserted into the limiting long strip hole;

[0011] The main control box bottom plate is used to fix the main control box, and is provided with a first strip-shaped lock strip matched with the first strip-shaped lock hole, and a second strip-shaped lock strip matched with the second strip-shaped lock hole, and the tops of the first strip-shaped lock strip and the second strip-shaped lock strip are both provided with barbs, the upper part of the barbs is a chamfered part, and the lower part of the barbs is a clamping plane;

[0012] The first pre-tensioning spring and the second pre-tensioning spring are installed in the helmet fixing part, the fixed ends of the first pre-tensioning spring and the second pre-tensioning spring are connected to the helmet fixing part, the telescopic ends of the first pre-tensioning spring and the second pre-tensioning spring are connected to the button, and the telescopic direction of the first pre-tensioning spring and the second pre-tensioning spring is perpendicular to the length direction of the first strip-shaped lock hole and the second strip-shaped lock hole.

[0013] Furthermore, in the above-mentioned AR main control box locking connection device, a first guide positioning hole and a second guide positioning hole are provided on the bottom plate of the helmet fixing part, and a first guide positioning column and a second guide positioning column are provided on the bottom plate of the main control box, the first guide positioning hole and the first guide positioning column match each other, and the second guide positioning hole and the second guide positioning column match each other.

[0014] Furthermore, in the above-mentioned AR main control box locking connection device, the first guide positioning column and the second guide positioning column are symmetrically arranged on both sides of the length direction of the second strip-shaped locking strip.

[0015] Furthermore, in the above-mentioned AR main control box locking connection device, a first button mounting slide and a second button mounting slide are arranged on the bottom plate of the helmet fixing part, and the first button mounting slide and the second button mounting slide are symmetrically arranged on both sides of the length direction of the through opening, and the directions of the first button mounting slide and the second button mounting slide are consistent with the expansion and contraction directions of the first preload spring and the second preload spring; a button mounting socket is opened on the side wall of the helmet fixing part adjacent to the through opening, and the main body of the button passes through the button mounting socket and is inserted between the first button mounting slide and the second button mounting slide.

[0016] Furthermore, in the above-mentioned AR main control box locking connection device, the button limiting column is arranged on the side wall of the helmet fixing part where the button mounting socket is opened and is located above the button mounting socket, and the button limiting column is inserted into the limiting long strip hole and can slide up and down.

[0017] Furthermore, in the above-mentioned AR main control box locking connection device, the first button mounting slide and the second button mounting slide are groove structures, and the groove of the first button mounting slide and the groove of the second button mounting slide face each other, forming a channel for the button to slide along the extension and contraction direction of the first preload spring and the second preload spring.

[0018] Furthermore, in the above-mentioned AR main control box locking connection device, a first preload spring mounting member and a second preload spring mounting member are provided on the bottom plate of the helmet fixing member, a first preload spring mounting groove and a second preload spring mounting groove are provided at the front end of the main body of the button, the fixed ends of the first preload spring and the second preload spring are respectively fixed to the first preload spring mounting member and the second preload spring mounting member, and the telescopic ends of the first preload spring and the second preload spring are respectively inserted into the first preload spring mounting groove and the second preload spring mounting groove.

[0019] Furthermore, in the above-mentioned AR main control box locking connection device, the first preload spring mounting member and the second preload spring mounting member are groove-type structures with one end closed and the other end open, and the fixed ends of the first preload spring and the second preload spring are respectively fixed to the closed end of the groove-type structure, and the telescopic ends of the first preload spring and the second preload spring are respectively extended from the open end of the groove-type structure and connected to the first preload spring mounting groove and the second preload spring mounting groove.

[0020] As an implementation mode, in the above-mentioned AR main control box locking connection device, the button is a plate-type structure, and the edge of the pressing end of the button located outside the helmet fixing part is formed with a curved arc.

[0021] As an embodiment, in the above-mentioned AR main control box locking connection device, the first strip-shaped locking strip and the second strip-shaped locking strip are long boss structures, and the barb is arranged on the top of the boss.

[0022] As an embodiment, in the above-mentioned AR main control box locking connection device, the length of the first strip-shaped locking strip is greater than the length of the second strip-shaped locking strip.

[0023] As an embodiment, in the above-mentioned AR main control box locking connection device, the first guide positioning column and the second guide positioning column are circular columns, hexagonal columns, square columns or triangular columns, and correspondingly the first guide positioning hole and the second guide positioning hole are circular holes, hexagonal holes, square holes or triangular holes.

[0024] The AR main control box lock connection device of the present invention has the following advantages and beneficial effects:

[0025] (1) Stable connection, reliable locking, and no shaking. The AR main control box lock connection device of the present invention simplifies the locking method, optimizes the positioning method, and uses the locking spring to continuously provide pre-tightening force, thereby eliminating the technical defects of poor locking, inadequate limit in the XYZ direction, and no continuous locking force in the locked state to ensure stability. It eliminates the shaking phenomenon, improves wearing comfort, and effectively improves the efficiency and service life of the equipment.

[0026] (2) Easy to disassemble and assemble, no need to remove the helmet, and can be completed with one hand. The AR main control box lock connection device of the present invention simplifies the matching structure and improves the convenience of disassembly and assembly while meeting the functional requirements of the device. It eliminates the cumbersome operation of removing the helmet and using both hands to complete the disassembly and assembly in the prior art, improves the convenience and efficiency of disassembly and assembly, and fully meets special use requirements such as emergency firefighting.

[0027] (3) Simple and compact structure, low manufacturing cost, and small space occupation. The AR main control box lock connection device of the present invention uses a simpler locking method to reduce the number of parts while meeting the product functions, and optimizes the structural details to reduce the difficulty of processing parts. It eliminates the unfavorable factors of the prior art such as the large number of parts, complex structure, and high requirements for the processing accuracy of parts, making the device structure simple and compact, and significantly reducing the manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for the description of the present invention or the prior art. Obviously, the drawings in the following description are only used to further understand the embodiments of the present invention and constitute a part of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0029] Figure 1 It is a schematic diagram of the overall structure of the AR main control box lock connection device of the present invention;

[0030] Figure 2 It is a structural schematic diagram of a helmet fixing part in the AR main control box locking connection device of the present invention;

[0031] Figure 3 It is a structural schematic diagram of the buttons in the AR main control box lock connection device of the present invention;

[0032] Figure 4 It is a structural schematic diagram of the main control box bottom plate in the AR main control box lock connection device of the present invention;

[0033] Figure 5 It is a schematic structural diagram of the first and second strip-shaped locking strips in the AR main control box locking connection device of the present invention.

[0034] Description of reference numerals:

[0035] 1- Helmet fixing piece; 2- First preload spring; 3- Second preload spring; 4- Button; 5- Main control box bottom plate; 6- Button limit column;

[0036] 11-fixing member body; 12-bottom plate; 13-side wall; 101-first band-shaped lock hole; 102-through opening; 103-first preload spring mounting member; 104-second preload spring mounting member; 105-first button mounting slideway; 106-second button mounting slideway; 107-first guide positioning hole; 108-second guide positioning hole; 109-button mounting socket;

[0037] 41-main body; 42-pressing end; 401-first preload spring installation slot; 402-second preload spring installation slot; 403-second strip-shaped lock hole; 404-limiting strip hole;

[0038] 501 - first strip-shaped locking strip; 502 - second strip-shaped locking strip; 503 - first guide positioning column; 504 - second guide positioning column; 505 - barb; 506 - engaging plane; 507 - chamfered portion. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the specific embodiments of the present invention and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. 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.

[0040] It should be noted that, in this document, unless otherwise expressly specified and limited, the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. At the same time, the terms "install", "connect", "connect" or their synonyms should be understood in a broad sense. For example, "connection" 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. In addition, the terms "first", "second", etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. They cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In this document, unless otherwise expressly specified and limited, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the said features.

[0041] It should also be noted that, in this document, unless otherwise expressly specified and limited, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, 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 a limitation on the present invention.

[0042] The AR main control box lock connection device of the present invention is used to connect the main control box to the helmet, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The AR main control box lock connection device of the present invention comprises: a helmet fixing part 1, a first preload spring 2, a second preload spring 3, a button 4, a main control box bottom plate 5, and a button limit column 6, wherein:

[0043] The helmet fixing member 1 comprises a fixing member body 11 suitable for connecting the helmet and a bottom plate 12 adjacent to the main control box bottom plate 5, and the bottom plate 12 of the helmet fixing member 1 is provided with a first strip-shaped lock hole 101 and a through opening 102;

[0044] The button 4 is installed on the helmet fixing part 1, wherein the main body 41 of the button 4 is inserted into the helmet fixing part 1, and the pressing end 42 of the button 4 is outside the helmet fixing part 1. The main body 41 of the button 4 is provided with a second strip-shaped lock hole 403 and a limiting long strip hole 404. The second strip-shaped lock hole 403 is located above the through opening 102, and the width and length of the through opening 102 are respectively greater than the width and length of the second strip-shaped lock hole 403. The limiting long strip hole 404 is provided between the main body 41 and the pressing end 42, and its direction is perpendicular to the length direction of the second strip-shaped lock hole 403. The button limiting column 6 is inserted into the limiting long strip hole 404.

[0045] The main control box bottom plate 5 is used to fix the main control box, and is provided with a first strip-shaped lock strip 501 matched with the first strip-shaped lock hole 101, and a second strip-shaped lock strip 502 matched with the second strip-shaped lock hole 403. The tops of the first strip-shaped lock strip 501 and the second strip-shaped lock strip 502 are both provided with barbs 505, the upper part of the barbs 505 is a chamfered part 507, and the lower part of the barbs 505 is a clamping plane 506;

[0046] The first preload spring 2 and the second preload spring 3 are installed in the helmet fixing part 1. The fixed ends of the first preload spring 2 and the second preload spring 3 are connected to the helmet fixing part 1. The telescopic ends of the first preload spring 2 and the second preload spring 3 are connected to the button 4 to provide the assembly preload force to the button 4. The telescopic direction (i.e. Figure 1 The X direction shown in FIG. 1 is the same as the length direction of the first strip-shaped locking hole 101 and the second strip-shaped locking hole 403 (i.e. Figure 1 The Y direction shown) is vertical.

[0047] As a specific implementation, a first guide positioning hole 107 and a second guide positioning hole 108 are further provided on the bottom plate 12 of the helmet fixing part 1 adjacent to the main control box bottom plate 5, and a first guide positioning column 503 and a second guide positioning column 504 are also provided on the main control box bottom plate 5, the first guide positioning hole 107 and the first guide positioning column 503 match each other, and the second guide positioning hole 108 and the second guide positioning column 504 match each other.

[0048] In one embodiment, the first guide and positioning posts 503 and the second guide and positioning posts 504 are symmetrically arranged in the length direction of the second strip lock strip 502 (i.e. Figure 1 on both sides of the Y direction as shown).

[0049] As a specific embodiment, the bottom plate 12 of the helmet fixing member 1 adjacent to the bottom plate 5 of the main control box is further provided with a first button mounting slide 105 and a second button mounting slide 106, and the first button mounting slide 105 and the second button mounting slide 106 are symmetrically arranged in the length direction of the through opening 102 (i.e. Figure 1 The first button mounting slide 105 and the second button mounting slide 106 are on both sides of the Y direction shown in the figure, and the directions of the first button mounting slide 105 and the second button mounting slide 106 are consistent with the expansion and contraction directions of the first preload spring 2 and the second preload spring 3; a button mounting socket 109 is provided on the side wall 13 of the helmet fixing part 1 adjacent to the through opening 102, and the main body 41 of the button 4 passes through the button mounting socket 109 and is inserted between the first button mounting slide 105 and the second button mounting slide 106, so that the button 4 is plugged into the helmet fixing part 1.

[0050] As a specific implementation, a first preload spring mounting member 103 and a second preload spring mounting member 104 are also provided on the bottom plate 12 of the helmet fixing member 1 adjacent to the bottom plate 5 of the main control box, a first preload spring mounting groove 401 and a second preload spring mounting groove 402 are provided at the front end of the main body 41 of the button 4, the fixed ends of the first preload spring 2 and the second preload spring 3 are respectively fixed to the first preload spring mounting member 103 and the second preload spring mounting member 104, and the telescopic ends of the first preload spring 2 and the second preload spring 3 are respectively inserted into the first preload spring mounting groove 401 and the second preload spring mounting groove 402.

[0051] As described above, the button limiting column 6 is an independent component, which cooperates with the limiting long strip hole 404 of the button 4 to limit the button 4 and prevent the button 4 from falling off the helmet fixing part 1. However, it should be noted that, as a specific implementation, the button limiting column 6 can also be a component integrated on the helmet fixing part 1. For example, the button limiting column 6 is arranged on the side wall 13 of the helmet fixing part 1 with the button installation socket 109 and is located above the button installation socket 109. The button limiting column 6 can slide up and down. During the normal use of the AR main control box lock connection device, the button limiting column 6 slides down and is inserted into the limiting long strip hole 404 to limit the button 4 and prevent the button 4 from falling off the helmet fixing part 1; only when the button 4 needs to be removed from the helmet fixing part 1, the button limiting column 6 slides up and leaves the limiting long strip hole 404 to release the limit on the button 4.

[0052] As a specific implementation, the button 4 is a plate-type structure, and the edge of the pressing end 42 of the button 4 outside the helmet fixing part 1 is formed with a curved arc to facilitate pushing the button 4 when disassembling and assembling the main control box and the helmet.

[0053] It should be noted that the main control box base plate 5 can be used as a component of the main control box, on which the main control box is fixed; it goes without saying that the main control box base plate 5 can also be an independent component for fixing the main control box thereon.

[0054] As a specific implementation, the first strip-shaped locking strip 501 and the second strip-shaped locking strip 502 are long boss structures, and the barbs 505 are arranged on the top of the bosses.

[0055] In one embodiment, the length of the first locking strip 501 is greater than the length of the second locking strip 502 .

[0056] It should be noted that, according to actual usage scenarios, the helmet fixing part 1 is usually made of high-strength plastic material, and the button 4 and the main control box bottom plate 5 are usually made of metal or hard plastic material. Of course, the present invention is not limited to this.

[0057] As a specific implementation, the first button mounting slide 105 and the second button mounting slide 106 are groove structures, and the groove of the first button mounting slide 105 and the groove of the second button mounting slide 106 face each other, forming a channel that facilitates the sliding of the button 4 along the extension and contraction direction of the first preload spring 2 and the second preload spring 3.

[0058] As a specific embodiment, the first preload spring mounting member 103 and the second preload spring mounting member 104 are a groove-type structure with one end closed and the other end open, the fixed ends of the first preload spring 2 and the second preload spring 3 are respectively fixed to the closed ends of the groove-type structure, the telescopic ends of the first preload spring 2 and the second preload spring 3 are respectively extended from the open ends of the groove-type structure and connected to the first preload spring mounting groove 401 and the second preload spring mounting groove 402, the two side walls of the groove-type structure can provide positioning and guidance for the first preload spring 2 and the second preload spring 3, thereby improving the working reliability of the first preload spring 2 and the second preload spring 3.

[0059] It should be noted that, according to actual usage scenarios, the first guide positioning column 503 and the second guide positioning column 504 are circular columns, and correspondingly the first guide positioning hole 107 and the second guide positioning hole 108 are circular holes; it goes without saying that the first guide positioning column 503 and the second guide positioning column 504 and the first guide positioning hole 107 and the second guide positioning hole 108 can also be other cross-sectional shapes, for example, the first guide positioning column 503 and the second guide positioning column 504 are hexagonal columns, square columns and triangular columns, and correspondingly the first guide positioning hole 107 and the second guide positioning hole 108 are hexagonal holes, square holes and triangular holes, and the present invention is not limited to this.

[0060] The working principle and process of the above-mentioned AR main control box lock connection device of the present invention are as follows:

[0061] When the main control box is not connected to the helmet, the helmet fixing part 1 and the main control box bottom plate 5 are separated, and the button 4 inserted into the helmet fixing part 1 is fixed in place by the first preload spring 2, the second preload spring 3 and the button limiting column 6, wherein the first preload spring 2 and the second preload spring 3 use their spring preload forces to keep applying thrust to the button 4, so that the button limiting column 6 abuts against the front end of the limiting long hole 404 (i.e., the hole end away from the pressing end 42), thereby limiting the button 4 and preventing the button 4 from falling off the helmet fixing part 1.

[0062] When the main control box needs to be connected to the helmet, the main control box base plate 5 with the main control box fixed thereon is held by hand, the first guide positioning column 503 and the second guide positioning column 504 are respectively aligned with the first guide positioning hole 107 and the second guide positioning hole 108, and the main control box base plate 5 is pressed toward the helmet fixing part 1 connected to the helmet; during the pressing process, the first strip-shaped locking strip 501 is gradually inserted into the first strip-shaped locking hole 101 through the guiding auxiliary effect of its chamfered portion 507, and the second strip-shaped locking strip 502 passes through the through opening 102 and is gradually inserted into the second strip-shaped locking hole 403 through the guiding auxiliary effect of its chamfered portion 507; as the pressing continues, the horizontal component force applied by the chamfered portion 507 of the second strip-shaped locking strip 502 to the edge of the second strip-shaped locking hole 403 is greater than the elastic force of the first preload spring 2 and the second preload spring 3, so that the chamfered portion 507 pushes the second strip-shaped locking hole 403 toward the retraction direction of the first preload spring 2 and the second preload spring 3 (i.e. Figure 1 The second locking strip 502 is pressed against the second locking strip 403, and the second locking strip 503 is pressed against the second locking strip 403. The second locking strip 502 is pressed against the second locking strip 403, and the second locking strip 503 is pressed against the second locking strip 403. The second locking strip 502 is pressed against the second locking strip 403, and the second locking strip 503 is pressed against the second locking strip 403. Figure 1 The first preload spring 2 and the second preload spring 3 continuously apply thrust to the second strip lock strip 502 through the button 4, which can further ensure the stability of the connection between the main control box and the helmet.

[0063] When the main control box needs to be removed from the helmet, the button 4 is pushed forward (i.e., the pressing end 42 of the button 4 is pushed toward the helmet fixing member 1). Figure 1 The first preload spring 2 and the second preload spring 3 are compressed, thereby releasing the elastic force applied by the first preload spring 2 and the second preload spring 3 to the second strip lock strip 502, thereby releasing the locking buckle between the locking plane 506 of the second strip lock strip 502 and the edge of the second strip lock hole 403, and the main control box base plate 5 can be easily separated from the helmet fixing part 1, thereby realizing the removal of the main control box from the helmet.

[0064] As described above, the AR main control box lock connection device of the present invention is used to assemble and disassemble the helmet and the main control box by matching and separating the helmet fixing part 1 and the main control box bottom plate 5. After the main control box and the helmet are connected by the AR main control box lock connection device of the present invention, the first guide positioning column 503 is inserted into the first guide positioning hole 107, and the second guide positioning column 504 is inserted into the second guide positioning hole 108, so that the lateral and side positioning between the helmet fixing part 1 and the main control box bottom plate 5 is achieved, that is, Figure 1 The XY direction positioning shown; the engagement plane 506 of the first strip-shaped lock strip 501 and the engagement lock buckle of the first strip-shaped lock hole 101, and the engagement plane 506 of the second strip-shaped lock strip 502 and the engagement lock buckle of the second strip-shaped lock hole 403, realize the vertical positioning between the helmet fixing member 1 and the main control box bottom plate 5, that is, Figure 1 and, the first preload spring 2 and the second preload spring 3 continuously apply thrust to the second strip lock strip 502 through the button 4, which can further ensure the XYZ direction positioning between the helmet fixing part 1 and the main control box bottom plate 5.

[0065] In summary, the AR main control box lock connection device of the present invention aims to improve the stability of the lock connection between the helmet and the main control box, improve the convenience of disassembly and assembly, and effectively control the cost under the premise of meeting the functional requirements. Compared with the prior art, the AR main control box lock connection device of the present invention has the following advantages and beneficial effects:

[0066] (1) Stable connection, reliable locking, and no shaking. The AR main control box lock connection device of the present invention simplifies the locking method, optimizes the positioning method, and uses the locking spring to continuously provide pre-tightening force, thereby eliminating the technical defects of poor locking, inadequate limit in the XYZ direction, and no continuous locking force in the locked state to ensure stability. It eliminates the shaking phenomenon, improves wearing comfort, and effectively improves the efficiency and service life of the equipment.

[0067] (2) Easy to disassemble and assemble, no need to remove the helmet, and can be completed with one hand. The AR main control box lock connection device of the present invention simplifies the matching structure and improves the convenience of disassembly and assembly while meeting the functional requirements of the device. It eliminates the cumbersome operation of removing the helmet and using both hands to complete the disassembly and assembly in the prior art, improves the convenience and efficiency of disassembly and assembly, and fully meets special use requirements such as emergency firefighting.

[0068] (3) Simple and compact structure, low manufacturing cost, and small space occupation. The AR main control box lock connection device of the present invention uses a simpler locking method to reduce the number of parts while meeting the product functions, and optimizes the structural details to reduce the difficulty of processing parts. It eliminates the unfavorable factors of the prior art such as the large number of parts, complex structure, and high requirements for the processing accuracy of parts, making the device structure simple and compact, and significantly reducing the manufacturing cost.

[0069] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An AR main control box lock connection device, used to connect the main control box to a helmet, characterized in that: The AR main control box lock connection device includes: a helmet fixing part, a first preload spring, a second preload spring, a button, a main control box bottom plate, and a button limit column, wherein: The helmet fixing member comprises a fixing member body suitable for connecting the helmet and a bottom plate adjacent to the bottom plate of the main control box, wherein the bottom plate is provided with a first strip-shaped locking hole and a through opening; The button is mounted on the helmet fixing part, the main body of the button is inserted into the helmet fixing part, the pressing end of the button is outside the helmet fixing part, the main body is provided with a second strip-shaped lock hole and a limiting long strip hole, the second strip-shaped lock hole is located above the through opening, and the width and length of the through opening are respectively greater than the width and length of the second strip-shaped lock hole, the limiting long strip hole is provided between the main body and the pressing end, and the direction of the limiting long strip hole is perpendicular to the length direction of the second strip-shaped lock hole, and the button limiting column is inserted into the limiting long strip hole; The main control box bottom plate is used to fix the main control box, and is provided with a first strip-shaped lock strip matched with the first strip-shaped lock hole, and a second strip-shaped lock strip matched with the second strip-shaped lock hole, and the tops of the first strip-shaped lock strip and the second strip-shaped lock strip are both provided with barbs, the upper part of the barbs is a chamfered part, and the lower part of the barbs is a clamping plane; The first pre-tensioning spring and the second pre-tensioning spring are installed in the helmet fixing part, the fixed ends of the first pre-tensioning spring and the second pre-tensioning spring are connected to the helmet fixing part, the telescopic ends of the first pre-tensioning spring and the second pre-tensioning spring are connected to the button, and the telescopic direction of the first pre-tensioning spring and the second pre-tensioning spring is perpendicular to the length direction of the first strip-shaped lock hole and the second strip-shaped lock hole.

2. The AR main control box lock connection device according to claim 1, characterized in that: A first guide positioning hole and a second guide positioning hole are provided on the bottom plate of the helmet fixing part, and a first guide positioning column and a second guide positioning column are provided on the bottom plate of the main control box. The first guide positioning hole and the first guide positioning column match each other, and the second guide positioning hole and the second guide positioning column match each other.

3. The AR main control box lock connection device according to claim 2, characterized in that: The first guide and positioning post and the second guide and positioning post are symmetrically arranged on both sides of the second strip-shaped locking strip in the length direction.

4. The AR main control box lock connection device according to claim 1, characterized in that: A first button mounting slide and a second button mounting slide are arranged on the bottom plate of the helmet fixing part, and the first button mounting slide and the second button mounting slide are symmetrically arranged on both sides of the length direction of the through opening, and the directions of the first button mounting slide and the second button mounting slide are consistent with the expansion and contraction directions of the first preload spring and the second preload spring; a button mounting socket is provided on the side wall of the helmet fixing part adjacent to the through opening, and the main body of the button passes through the button mounting socket and is inserted between the first button mounting slide and the second button mounting slide.

5. The AR main control box lock connection device according to claim 4, characterized in that: The button limiting column is arranged on the side wall of the helmet fixing piece where the button installation socket is opened and is located above the button installation socket. The button limiting column is inserted into the limiting long strip hole and can slide up and down.

6. The AR main control box lock connection device according to claim 4, characterized in that: The first button mounting slide and the second button mounting slide are groove structures, and the groove of the first button mounting slide and the groove of the second button mounting slide face each other, forming a channel for the button to slide along the expansion and contraction direction of the first preload spring and the second preload spring.

7. The AR main control box lock connection device according to claim 1, characterized in that: A first preload spring mounting member and a second preload spring mounting member are provided on the bottom plate of the helmet fixing member, a first preload spring mounting groove and a second preload spring mounting groove are provided at the front end of the main body of the button, the fixed ends of the first preload spring and the second preload spring are respectively fixed to the first preload spring mounting member and the second preload spring mounting member, and the telescopic ends of the first preload spring and the second preload spring are respectively inserted into the first preload spring mounting groove and the second preload spring mounting groove.

8. The AR main control box lock connection device according to claim 7, characterized in that: The first preload spring mounting member and the second preload spring mounting member are groove-shaped structures with one end closed and the other end open, the fixed ends of the first preload spring and the second preload spring are respectively fixed to the closed ends of the groove-shaped structures, and the telescopic ends of the first preload spring and the second preload spring are respectively extended from the open ends of the groove-shaped structures and connected to the first preload spring mounting groove and the second preload spring mounting groove.

9. The AR main control box lock connection device according to claim 1, characterized in that: The button is a plate-type structure, and a curved arc is formed at the edge of the pressing end of the button outside the helmet fixing part.

10. The AR main control box lock connection device according to claim 1, characterized in that: The first strip-shaped locking strip and the second strip-shaped locking strip are long boss structures, and the barbs are arranged on the tops of the bosses.

11. The AR main control box lock connection device according to claim 1, characterized in that: The length of the first strip-shaped locking strip is greater than the length of the second strip-shaped locking strip.

12. The AR main control box lock connection device according to claim 1, characterized in that: The first guide positioning column and the second guide positioning column are circular columns, hexagonal columns, square columns or triangular columns, and correspondingly, the first guide positioning hole and the second guide positioning hole are circular holes, hexagonal holes, square holes or triangular holes.

Images