Buckling structure and FTTR equipment

Abstract

The utility model provides a buckling structure and FTTR equipment, the buckling structure can be applied to FTTR, FTTR-B or broadband fusion terminal products, the buckling structure is used for assembling a shell and a shell cover of the FTTR equipment, and the buckling structure comprises a plug and a female buckle; the plug is used for being arranged on one side wall of the shell, the female buckle is used for being arranged on one side wall of the shell cover, and the plug is inserted into a buckling groove of the female buckle. According to the utility model, the plug and the female buckle are designed on the single side of the shell and the shell cover, and the asymmetric layout forms physical assembly constraint, so that accurate guiding, fool-proof and limiting can be provided for the assembly between the shell and the shell cover, an operator can complete buckling in the only correct direction, and reverse and dislocation assembly risks are completely eradicated; the plug is designed on the single side of the shell, the assembling direction can be well recognized before assembling, the assembling efficiency is improved, meanwhile, the shell and the shell cover can be meshed together through the plug and the female buckle, the assembling gap is reduced, and the attractiveness is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to FTTR equipment technical field especially relates to a buckling structure and FTTR equipment. BACKGROUND

[0002] In the FTTR equipment design, the shell and shell cover (also can be said to be upper cover and lower cover) mostly adopt buckling structure assembly together, thereby guaranteeing assembly precision, avoiding assembly failure. But the existing buckling structure mostly complex structure, single function, when installing, easy reverse, misplacement assembly, assembly precision is poor. SUMMARY

[0003] The utility model provides a buckling structure and FTTR equipment to solve the problem that the existing buckling structure has complex structure, single function and poor assembly precision.

[0004] A kind of buckling structure, for the assembly between the shell and shell cover of FTTR equipment, the buckling structure includes plug bolt and female buckle;

[0005] The plug bolt is used to set in the side wall of the shell, the female buckle is used to set in the side wall of the shell cover, the plug bolt is inserted in the buckling groove of the female buckle, so that the shell cover is installed in the open end of the shell.

[0006] Preferably, the plug bolt is located at the end face of the open end of the shell, and the female buckle is flush with the outer surface of the shell cover.

[0007] Preferably, the interface between the plug bolt and the buckling groove of the female buckle is a buckling surface;

[0008] The angle between the plug bolt axis of the plug bolt and the buckling surface is a first acute angle, and the angle between the slot axis of the buckling groove and the buckling surface is a second acute angle.

[0009] Preferably, the first acute angle is 2.5°-3.5°, and the second acute angle is 2.5°-3.5°.

[0010] Preferably, the buckling groove of the female buckle is provided with a chamfer at one end close to the inner surface of the shell cover.

[0011] Preferably, the cross section of the plug bolt perpendicular to the plug bolt axis is any one of a circular structure, a triangular structure and a quadrilateral structure, and the cross section of the buckling groove perpendicular to the slot axis of the buckling groove is any one of a circular structure, a triangular structure and a quadrilateral structure.

[0012] A kind of FTTR equipment, comprising shell, shell cover and the buckling structure described above;

[0013] The shell cover is mounted to the open end of the shell through the buckling structure.

[0014] Preferably, the shell cover comprises a main plate, a support wall extending from the periphery of the main plate in a direction perpendicular to the main plate, and a lap flange extending outward from one end of the support wall away from the main plate in a direction perpendicular to the support wall.

[0015] The main plate and the support wall are embedded in the shell, and the lap flange is lapped on the end face of the open end of the shell.

[0016] Preferably, the FTTR device further comprises a snap bead.

[0017] The snap bead is arranged on the inner wall of the shell and / or the support wall, and the snap bead is in abutment with the support wall and / or the inner wall of the shell.

[0018] Preferably, the FTTR device further comprises a fixing bracket, and the fixing bracket is arranged on the outer wall of the shell and mounted to other equipment through a connecting piece.

[0019] The buckling structure provided by the embodiment of the utility model can provide accurate guidance, foolproofness and limiting for the assembly between the shell and the shell cover, and the operator can only complete the buckling in a unique correct direction, thereby completely eliminating the risk of reverse and misaligned assembly, and the assembly is more convenient and accurate; the plug is designed on one side of the shell, and the assembly direction can be well identified before assembly, thereby improving the assembly efficiency; meanwhile, the shell and the shell cover can be engaged with each other through the plug and the female buckle, thereby reducing the assembly gap and improving the aesthetic property. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0021] Figure 1 is an exploded view of the FTTR device in an embodiment of the utility model;

[0022] Figure 2 is a sectional view of the partial structure of the buckling structure in an embodiment of the utility model.

[0023] 1, shell; 2, shell cover; 21, main plate; 22, support wall; 23, lap flange; 3, plug; 4, female buckle; 41, buckling groove; 5, snap bead; 6, fixing bracket. DETAILED DESCRIPTION

[0024] In order to make the technical problems solved by the present application, technical solutions and beneficial effects clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not intended to limit the present application.

[0025] In the description of the present application, it should be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0026] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0027] The utility model embodiment provides a kind of buckling structure, refer to Figure 1 , buckling structure can be applied to FTTR, FTTR-B or broadband fusion terminal product, the buckling structure is used for the assembly between the shell 1 and shell cover 2 of FTTR equipment, buckling structure includes plug bolt 3 and female buckle 4;Plug bolt 3 is used to set in the side wall of shell 1, female buckle 4 is used to set in the side wall of shell cover 2, plug bolt 3 is inserted in the buckling slot 41 of female buckle 4, to make shell cover 2 install in the open end of shell 1.

[0028] As an example, the snap structure can be applied to FTTR, FTTR-B or broadband fusion terminal product, the snap structure in the example is used for the assembly between the shell 1 and the shell cover 2 of the FTTR equipment. The snap structure includes a plug 3 and a female buckle 4; when designed, the plug 3 is arranged on a side wall of the shell 1, and the female buckle 4 is arranged on a side wall of the shell cover 2; in this way, the plug 3 is inserted into the snap groove 41 of the female buckle 4, and the shell cover 2 can be installed into the open end of the shell 1; the plug 3 and the female buckle 4 are designed on a single side of the shell 1 and the shell cover 2, the asymmetric layout forms a physical assembly constraint, which can provide accurate guidance, foolproof and limiting for the assembly between the shell 1 and the shell cover 2, and the operator can only complete the snap in a unique correct direction, completely eliminating the risk of reverse and misaligned assembly, and the assembly is more convenient and accurate. The plug 3 integrates three functions of guidance, locking and limiting, reduces the need for auxiliary positioning structure, and reduces the overall weight by 5%-8%.

[0029] Compared with the existing structure, the snap structure in the example can well identify the assembly direction before assembly by designing the plug 3 on a single side of the shell 1, improve the assembly efficiency, and the shell 1 and the shell cover 2 can be engaged with each other through the plug 3 and the female buckle 4, reduce the assembly gap, and improve the aesthetics. In addition, the snap structure composed of the plug 3 and the female buckle 4 has a self-feedback mechanism, integrates tactile / visual prompts (such as the shell cover 2 cannot be closed when misaligned), reduces the dependence on complex sensors and other parts, the overall structure is simple, occupies small space, can be applied to scenes with small operation space, and improves the versatility and compatibility of the snap structure.

[0030] In an embodiment, referring to Figure 1 , the plug 3 is located at the end face of the open end of the shell 1, and the female buckle 4 is flush with the outer surface of the shell cover 2.

[0031] As an example, when designed, the plug 3 is located at the end face of the open end of the shell 1, and the female buckle 4 is flush with the outer surface of the shell cover 2; in this way, when the plug 3 is inserted into the snap groove 41 of the female buckle 4, the female buckle 4 contacts the end face of the open end of the shell 1, ensures that the shell cover 2 is completely installed into the open end of the shell 1, avoids misassembly of the shell 1, and improves the assembly stability and safety between the shell cover 2 and the shell 1.

[0032] In an embodiment, referring to Figure 2 , the interface between the plug 3 and the snap groove 41 of the female buckle 4 is a snap surface; the angle between the plug axis of the plug 3 and the snap surface is a first acute angle, and the angle between the slot axis of the snap groove 41 and the snap surface is a second acute angle.

[0033] As an example, when installed, the plug 3 is inserted into the buckle groove 41 of the female buckle 4, and the interface between the plug 3 and the buckle groove 41 is the buckling surface; when designed, the angle between the plug axis of the plug 3 and the buckling surface is a first acute angle, and the angle between the slot axis of the buckle groove 41 and the buckling surface is a second acute angle; in this way, the buckling surface of the plug 3 is a first inclined surface, and the buckling surface of the buckle groove 41 is a second inclined surface, and the first inclined surface and the second inclined surface cooperate to form a progressive locking design, so that the assembly between the plug 3 and the buckle groove 41 of the female buckle 4 realizes a three-stage guiding mechanism of "pre-positioning - guiding sliding - locking in place", which significantly reduces the difficulty of assembly operation.

[0034] In an embodiment, the first acute angle is 2.5°-3.5°, and the second acute angle is 2.5°-3.5°.

[0035] As an example, the first acute angle is 2.5°-3.5°, specifically 3°, and the second acute angle is 2.5°-3.5°, specifically 3°; in this way, the plug axis of the plug 3 is designed at an angle of 3° with the buckling surface, and the slot axis of the buckle groove 41 is designed at an angle of 3° with the buckling surface, and the buckling surface of the plug 3 cooperates with the buckling surface of the buckle groove 41 to form a progressive locking design, so that the assembly between the plug 3 and the buckle groove 41 of the female buckle 4 realizes a three-stage guiding mechanism of "pre-positioning - guiding sliding - locking in place", which significantly reduces the difficulty of assembly operation.

[0036] In an embodiment, the end of the buckle groove 41 of the female buckle 4 close to the inner surface of the shell cover 2 is provided with a chamfer.

[0037] As an example, the end of the buckle groove 41 of the female buckle 4 close to the inner surface of the shell cover 2 is provided with a chamfer, which has a guiding effect and can provide guidance for the plug 3 to be inserted into the buckle groove 41 of the female buckle 4, so that the plug 3 and the female buckle 4 can be easily assembled to assemble the shell cover 2 with the shell body 1.

[0038] In an embodiment, the cross section of the plug 3 perpendicular to the plug axis of the plug 3 is any one of a circular structure, a triangular structure and a quadrilateral structure, and the cross section of the buckle groove 41 perpendicular to the slot axis of the buckle groove 41 is any one of a circular structure, a triangular structure and a quadrilateral structure.

[0039] As an example, the plug 3 and the buckle groove 41 can be designed according to actual needs, the cross section of the plug 3 perpendicular to the plug axis of the plug 3 is any one of a circular structure, a triangular structure and a quadrilateral structure, and the cross section of the buckle groove 41 perpendicular to the slot axis of the buckle groove 41 is any one of a circular structure, a triangular structure and a quadrilateral structure, and the plug 3 is inserted into the buckle groove 41 of the female buckle 4, which can realize the installation of the shell cover 2 in the open end of the shell body 1.

[0040] The utility model embodiment provides a kind of FTTR equipment, refer to Figure 1 Including shell 1, shell cover 2 and buckle structure;Shell cover 2 is installed in the opening end of shell 1 by buckle structure.

[0041] As an example, FTTR equipment includes but is not limited to FTTR, FTTR-B or broadband fusion terminal product.The FTTR equipment includes shell 1, shell cover 2 and buckle structure;Buckle structure includes plug 3 and female buckle 4, when installing, plug 3 is arranged in the side wall of shell 1, and female buckle 4 is arranged in the side wall of shell cover 2;By this arrangement, plug 3 is inserted into the buckle groove 41 of female buckle 4, and shell cover 2 can be installed in the opening end of shell 1;Plug 3 and female buckle 4 are designed on the single side of shell 1 and shell cover 2, and the asymmetric layout forms a physical assembly constraint, which can provide accurate guidance, foolproof and limiting for the assembly between shell 1 and shell cover 2. The operator can only complete the buckling in the only correct direction, completely eliminating the risk of reverse and misaligned assembly, and the assembly is more convenient and accurate. Among them, plug 3 integrates three functions of guidance, locking and limiting, reduces the demand for auxiliary positioning structure, and reduces the overall weight by 5%-8%.

[0042] Compared with the existing structure, the buckle structure in the example is designed with plug 3 on the single side of shell 1, which can identify the assembly direction before assembly, improve the assembly efficiency, and the shell 1 and shell cover 2 can be engaged with each other through plug 3 and female buckle 4, reducing the assembly gap and improving the appearance. In addition, the buckle structure composed of plug 3 and female buckle 4 has a self-feedback mechanism, integrates tactile / visual prompts (such as the inability of shell cover 2 to close when misaligned), reduces the use of complex sensors and other parts, has a simple overall structure, occupies small space, can be applied in scenes with small operation space, and improves the versatility and compatibility of the buckle structure. In addition, during drop test and high temperature test, the buckle structure can protect the shell 1 and shell cover 2 from being tightly fitted together, without large assembly gaps, and the parameters can be better adjusted during production in the mold factory, and the fault tolerance is improved. The buckle structure is simple in design and does not need to add additional foolproof parts, and can achieve the purpose of foolproof through its own structure.

[0043] In an embodiment, referring to Figure 1 Shell cover 2 includes main plate 21, support wall 22 extending from the periphery of main plate 21 in a direction perpendicular to main plate 21, and lap flange 23 extending outward from the end of support wall 22 away from main plate 21 in a direction perpendicular to support wall 22;Main plate 21 and support wall 22 are embedded in shell 1, and lap flange 23 is lapped on the end face of the opening end of shell 1.

[0044] As an example, the shell cover 2 comprises a main plate 21, a support wall 22 and a lap flange 23; the support wall 22 is a component extending from the periphery of the main plate 21 in a direction perpendicular to the main plate 21, and the lap flange 23 is a component extending outward from one end of the support wall 22 away from the main plate 21 in a direction perpendicular to the support wall 22; when installed, the plug 3 on the end face of the open end of the shell 1 is inserted into the female buckle 4 arranged on the lap flange 23, so that the main plate 21 and the support wall 22 can be embedded in the shell 1, and the lap flange 23 is lapped on the end face of the open end of the shell 1; the plug 3 and the female buckle 4 are designed on one side of the shell 1 and the shell cover 2, and the asymmetric layout forms a physical assembly constraint, which can provide accurate guidance, foolproofness and limiting for the assembly between the shell 1 and the shell cover 2, and the operator can only complete the buckling in the only correct direction, completely eliminating the risk of reverse and misaligned assembly, and the assembly is more convenient and accurate.

[0045] In an embodiment, referring to Figure 1 , the FTTR device further comprises a bite 5; the bite 5 is arranged on the inner wall of the shell 1 and / or the support wall 22, and the bite 5 abuts against the support wall 22 and / or the inner wall of the shell 1.

[0046] As an example, the FTTR device further comprises a bite 5; when designed, the bite 5 is arranged on the inner wall of the shell 1 and / or the support wall 22, and the bite 5 abuts against the support wall 22 and / or the inner wall of the shell 1, so that the connectivity between the shell cover 2 and the shell 1 can be enhanced.

[0047] In an embodiment, referring to Figure 1 , the FTTR device further comprises a fixing bracket 6, and the fixing bracket 6 is arranged on the outer wall of the shell 1 and mounted on other devices through a connecting piece.

[0048] As an example, the FTTR device further comprises a fixing bracket 6; when installed, the fixing bracket 6 is arranged on the outer wall of the shell 1 and mounted on other devices through a connecting piece, for example, fixed on a telegraph pole through a cable tie passing through the fixing bracket 6, so as to indirectly fix the FTTR device on the telegraph pole and avoid damage to the FTTR device.

[0049] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A fastening structure, characterized in that, For the assembly between the housing and cover of an FTTR device, the fastening structure includes a bolt and a female fastener; The bolt is used to be disposed on one side wall of the housing, and the female buckle is used to be disposed on one side wall of the cover. The bolt is inserted into the buckle's engagement groove so that the cover is installed on the open end of the housing.

2. The fastening structure according to claim 1, characterized in that, The plug is located on the end face of the opening end of the housing, and the female buckle is flush with the outer surface of the housing cover.

3. The fastening structure according to claim 1, characterized in that, The contact surface between the bolt and the fastening groove of the female buckle is the fastening surface; The angle between the pin axis and the engagement surface is a first acute angle, and the angle between the groove axis and the engagement surface is a second acute angle.

4. The fastening structure according to claim 3, characterized in that, The angle of the first acute angle is 2.5°-3.5°, and the angle of the second acute angle is 2.5°-3.5°.

5. The fastening structure according to claim 1, characterized in that, The female buckle has a chamfer at one end near the inner surface of the cover.

6. The fastening structure according to claim 1, characterized in that, The cross-section of the plug perpendicular to its axis is any one of a circular structure, a triangular structure, and a quadrilateral structure, and the cross-section of the locking groove perpendicular to its opening axis is any one of a circular structure, a triangular structure, and a quadrilateral structure.

7. An FTTR device, characterized in that, Includes a housing, a cover, and the fastening structure as described in any one of claims 1-6; The cover is installed on the opening end of the housing via the fastening structure.

8. The FTTR device according to claim 7, characterized in that, The shell cover includes a main body plate, a support wall extending from the periphery of the main body plate in a direction perpendicular to the main body plate, and an overlapping flange extending outward from one end of the support wall away from the main body plate in a direction perpendicular to the support wall; The main body plate and the supporting wall are embedded in the housing, and the overlapping flange overlaps the end face of the opening end of the housing.

9. The FTTR device according to claim 8, characterized in that, The FTTR device also includes interlocking ribs; The interlocking ribs are disposed on the inner wall of the housing and / or the supporting wall, and the interlocking ribs abut against the supporting wall and / or the inner wall of the housing.

10. The FTTR device according to claim 7, characterized in that, The FTTR device also includes a fixed bracket, which is disposed on the outer wall of the housing and is installed on other equipment via connectors.

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