Cable junction box

Abstract

The utility model provides a cable junction box, which comprises a shell, an assembly frame and a plug assembly, and is characterized in that the assembly frame is arranged at one end of the shell; the plug assembly comprises an insulating mounting seat and a plurality of contact pins, and the plurality of contact pins are mounted on the insulating mounting seat; wherein the assembling frame is provided with a through mounting hole, the insulating mounting seat is arranged in the mounting hole, and the insulating mounting seat and the hole wall of the mounting hole are clamped and fixed through a buckle structure, so that the insulating mounting seat is connected with the assembling frame in a sleeving manner, and the plug assembly is fixed on the shell through the assembling frame. The cable junction box can share the same set of process, and can be applied to the production of various cable junction boxes with different structures by replacing the plug-in component during production so as to match with cables of different brands, so that the product development cost can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical auxiliary equipment, concretely relates to a cable distribution box. BACKGROUND

[0002] The instruments such as electrocardiograph, electrocardio monitor, electrocardio detector are the main tools for collecting, transmitting, analyzing and diagnosing various physiological electric waves such as electrocardio and myoelectricity. These instruments detect different heart diseases of patients by different lead ways, so there are various electrocardio lead wires, and the commonly used lead ways include standard ordinary lead, single lead, multiple lead and the like, and the lead wire has one-out-three, one-out-five, one-out-ten and one-out-seventeen (three-dimensional) in form, one group of input wire is connected to the electrocardiograph, and multiple groups of output wire are connected to the electrodes in contact with the patient's body, the input wire and the output wire are connected through a distribution box, and the distribution box needs to accommodate resistance and discharge tube in addition to distributing one group of input wire into multiple groups of output wire, and these components are usually placed inside the distribution box.

[0003] The distribution box is a device that can output multiple current or data signals by shunt conversion of one input power or data. In the field of medical equipment, the distribution box is used to protect the connection between the core wires of the main wire and the branch wire, so as to make the product connection safe and beautiful, such as electrocardio (ECG) cable. However, the existing distribution box has the problem of difficult preparation, and the production and process of the distribution box with different interface structures may also be different, so that different distribution boxes cannot be quickly prepared, the product preparation efficiency is low, and the development cost of the product is also increased. CONTENT OF THE UTILITY MODEL

[0004] The utility model mainly solves the technical problem that a cable distribution box can share the same process, and by replacing part of the structure, it can be applied to the production of various cable distribution boxes with different structures to match cable lines of different brands, thereby effectively reducing the product development cost.

[0005] The scheme for achieving the technical purpose of the utility model is a cable distribution box, which comprises:

[0006] A shell;

[0007] An assembly frame arranged at one end of the shell;

[0008] A plug assembly comprising an insulating mounting seat and a plurality of plug pins, wherein the plurality of plug pins are mounted on the insulating mounting seat;

[0009] The assembly frame has a through mounting hole, the insulating mounting seat is arranged in the mounting hole, and the insulating mounting seat and the hole wall of the mounting hole are clamped and fixed through a buckle structure, so that the insulating mounting seat is sleeved with the assembly frame, and the plug assembly is fixed to the shell through the assembly frame.

[0010] In an alternative embodiment, the number of the snap structures is at least one set;

[0011] Each set of the snap structures comprises an elastic piece and an avoiding slot, the elastic piece is protruded on the outer circumferential surface of the insulating mounting base or the hole wall of the mounting hole, the avoiding slot is arranged on the outer circumferential surface of the insulating mounting base or the hole wall of the mounting hole, when the insulating mounting base is fixed in the mounting hole, the elastic piece is accommodated in the avoiding slot, and the two ends of the elastic piece are elastically abutted on the insulating mounting base and the hole wall of the mounting hole respectively.

[0012] In an alternative embodiment, the avoiding slots are arranged on the hole wall of the mounting hole, and the elastic pieces are arranged in the avoiding slots respectively, and the elastic pieces can extend out of the avoiding slots.

[0013] In an alternative embodiment, at least two sets of the snap structures are arranged in one mounting hole; the hole wall of the mounting hole comprises four side walls, the four side walls are opposite to each other in pairs, and at least two opposite side walls are provided with the snap structures.

[0014] In an alternative embodiment, at least one first protrusion is arranged on the elastic piece, when the number of the first protrusions is at least two, the at least two first protrusions are arranged in the circumferential direction of the mounting hole.

[0015] A first sliding groove is formed on the outer circumferential surface of the insulating mounting base, and the first protrusion is in sliding fit with the first sliding groove.

[0016] In an alternative embodiment, the mounting hole is a stepped hole, one end of the insulating mounting base is provided with a flange, and a limiting part for limiting the first protrusion is further arranged on the outer circumferential surface of the insulating mounting base, the flange is overlapped on the hole shoulder of the stepped hole, so that the insulating mounting base can be positioned on the assembly frame in the axial direction of the mounting hole.

[0017] In an alternative embodiment, at least two second protrusions are arranged on one of the hole wall of the mounting hole and the insulating mounting base, and the at least two second protrusions are arranged in the circumferential direction of the mounting hole or in the circumferential direction of the insulating mounting base; a second sliding groove is formed on the other one of the hole wall of the mounting hole and the insulating mounting base, and the assembly frame is in sliding fit with the insulating mounting base through the second protrusions and the second sliding groove.

[0018] In an alternative embodiment, one end of the insulating mounting base extends out of the mounting hole; the shell comprises an inner mold and an outer mold; the inner mold is injection molded, the inner mold covers the part of the plug assembly extending out of the mounting hole and one end of the assembly frame, the inner mold connects the assembly frame and the plug assembly; the end of the assembly frame away from the inner mold has an annular boss spaced apart from the inner mold, the outer mold is injection molded on the inner mold and the assembly frame, and the end surface of the outer mold abuts against the end surface of the annular boss facing the inner mold.

[0019] In an alternative embodiment, the outer circumferential surface of the insulating mounting base and the outer circumferential surface of the assembling frame are provided with flow channels for the flow of the injection material.

[0020] In an alternative embodiment, the number of plug assemblies is two, the assembling frame is provided with two mounting holes, and the plug assemblies are mounted in the mounting holes one by one.

[0021] According to the cable distribution box of the above-mentioned embodiments, compared with the prior art, the plug assembly and the assembling frame are independent components, the plug assembly and the assembling frame can be pre-produced on an upstream production line, and when a complete cable distribution box is prepared, the plug assembly and the assembling frame are fixed and assembled through the buckle structure. On the one hand, it can be pre-produced before assembly, which can effectively improve the product preparation efficiency, and can effectively ensure the molding quality of the plug assembly, which is conducive to the quality guarantee of the final product, so as to improve the yield of the final product. On the other hand, different plug assemblies with different interfaces can be replaced during preparation to obtain different cable distribution box products, and only the outer surface of the insulating mounting base needs to be matched with the mounting hole, that is, the same assembly structure of the plug assembly and the assembling frame is ensured, and the same assembling frame can be compatible with plug assemblies with different interfaces, without changing the structure of the assembling frame and the structure of the shell, and without changing the connection scheme of the assembling frame and the shell, which is conducive to reducing the development cost of the product. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The structure of the cable distribution box provided by some embodiments of the utility model is shown in the figure.

[0023] Figure 2 The cable distribution box is shown in the figure. Figure 1 The cable distribution box is shown in the figure.

[0024] Figure 3 The cable distribution box is shown in the figure. Figure 1 The cable distribution box is shown in the figure.

[0025] Figure 4 The cable distribution box is shown in the figure. Figure 3 The cable distribution box is shown in the figure.

[0026] Figure 5 The assembling of the assembling frame, the plug assembly, the resistance piece and the protection frame in the cable distribution box is shown in the figure. Figure 3 The assembling of the assembling frame and the insulating mounting base in the cable distribution box is shown in the figure.

[0027] Figure 6 The cable distribution box is shown in the figure. Figure 5 The cable distribution box is shown in the figure.

[0028] Figure 7 The cable distribution box is shown in the figure. Figure 3 The cable distribution box is shown in the figure.

[0029] Figure 8 The cable distribution box is shown in the figure.Figure 7 A diagram showing the result after omitting one plug assembly.

[0030] Attached label: 100 - Cable junction box;

[0031] 10-Shell; 11-Inner mold; 12-Outer mold;

[0032] 20-Assembly bracket; 21-Mounting hole; 22-Annular boss; 23-Second protrusion;

[0033] 30-Plug assembly; 31-Insulating mounting base; 311-First slide rail; 312-Second slide rail; 313-Flange edge; 314-Limiting part; 315-Receiving part; 32-Pin;

[0034] 40 - Snap-fit ​​structure; 41 - Elastic sheet; 411 - First protrusion; 42 - Clearance groove;

[0035] 50-Flow channel; 60-External wiring; 70-Resistor; 80-Protective frame; 81-Partition; 82-Plug-in part. Detailed Implementation

[0036] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. Similar elements in different embodiments are referred to by related similar element reference numerals. In the following embodiments, many details are described to facilitate a better understanding of the present application. However, those skilled in the art will readily recognize that some features may be omitted in different situations, or may be replaced by other elements, materials, or methods. In some cases, certain operations related to the present application are not shown or described in the specification. This is to avoid obscuring the core parts of the present application with excessive description. For those skilled in the art, detailed description of these related operations is not necessary; they can fully understand the related operations based on the description in the specification and general technical knowledge in the art.

[0037] Furthermore, the features, operations, or characteristics described in the specification can be combined in any suitable manner to form various embodiments. At the same time, the steps or actions in the method description can be rearranged or adjusted in a manner obvious to those skilled in the art. Therefore, the various orders in the specification and drawings are only for the clear description of a particular embodiment and do not imply a necessary order, unless otherwise stated that a particular order must be followed.

[0038] The serial numbers assigned to components in this document, such as "first" and "second," are used only to distinguish the described objects and have no sequential or technical meaning. The terms "connection" and "linkage" used in this application, unless otherwise specified, include both direct and indirect connections (linkages).

[0039] The utility model discloses a cable distribution box, please refer to Figures 1-8 , the cable distribution box 100 includes the casing 10, the assembly frame 20 and the plug assembly 30, and the assembly frame 20 is located at one end of the casing 10, the plug assembly 30 includes the insulating mounting seat 31 and a plurality of contact pins 32, and the plurality of contact pins 32 are installed on the insulating mounting seat 31, and the plug assembly 30 is used as output component for outputting a plurality of current or data signals. Among them, the assembly frame 20 has the through mounting hole 21, the insulating mounting seat 31 is located in the mounting hole 21, and the insulating mounting seat 31 and the hole wall of the mounting hole 21 are clamped and fixed through the buckle structure 40, so that the insulating mounting seat 31 and the assembly frame 20 are sleeved, and the plug assembly 30 is fixed in the casing 10 through the assembly frame 20. Compared with the prior art, in the cable distribution box 100 of the embodiment, the plug assembly 30 and the assembly frame 20 are independent components, the plug assembly 30 and the assembly frame 20 can be respectively pre-produced on the upstream production line, and when the complete cable distribution box 100 is prepared, the plug assembly 30 and the assembly frame 20 are fixed and assembled through the buckle structure 40. On the one hand, it can be prepared in advance before assembly, can effectively improve the product preparation efficiency, can effectively guarantee the forming quality of the plug assembly 30 at the same time, is favorable for the quality guarantee of the final product, so as to improve the yield of the final product. On the other hand, different cable distribution box 100 products can be obtained by replacing plug assemblies 30 of different interface forms during preparation, and only the outer shape of the insulating mounting seat 31 needs to be matched with the mounting hole 21, that is, the same assembly structure of the assembly frame 20 is ensured for different plug assemblies 30, and the same assembly frame 20 can be compatible with plug assemblies 30 of different interface forms, without changing the structure of the assembly frame 20 and the structure of the casing 10, and also without changing the connection scheme of the assembly frame 20 and the casing 10, which is favorable for reducing the development cost of the product.

[0040] In some embodiments, please refer to Figures 3-8The number of the buckle structure 40 is at least one set. Each set of the buckle structure 40 comprises an elastic sheet 41 and an avoiding groove 42. The elastic sheet 41 is protruded on the outer circumferential surface of the insulating mounting base 31 or the hole wall of the mounting hole 21. The avoiding groove 42 is arranged on the outer circumferential surface of the insulating mounting base 31 or the hole wall of the mounting hole 21. When the insulating mounting base 31 is fixed in the mounting hole 21, the elastic sheet 41 is accommodated in the avoiding groove 42, and the two ends of the elastic sheet 41 are elastically abutted on the insulating mounting base 31 and the hole wall of the mounting hole 21 respectively. The avoiding groove 42 provides a compression space for the elastic sheet 41, so that the elastic sheet 41 does not interfere with the cooperation between the insulating mounting base 31 and the hole wall of the mounting hole 21. The elastic sheet 41 is clamped between the insulating mounting base 31 and the hole wall of the mounting hole 21, and the friction between the insulating mounting base 31 and the hole wall of the mounting hole 21 is effectively enhanced by the elastic sheet 41, so that the insulating mounting base 31 can be stably fixed on the assembly frame 20. The number and arrangement scheme of the buckle structure 40 can be adaptively adjusted according to actual needs, and the utility model is not limited in particular

[0041] It should be noted that the above-mentioned "the elastic sheet 41 is protruded on the outer circumferential surface of the insulating mounting base 31 or the hole wall of the mounting hole 21, and the avoiding groove 42 is arranged on the outer circumferential surface of the insulating mounting base 31 or the hole wall of the mounting hole 21" means that the elastic sheet 41 can be arranged on any one of the insulating mounting base 31 and the hole wall of the mounting hole 21. Similarly, the avoiding groove 42 can also be arranged on any one of the outer circumferential surface of the insulating mounting base 31 and the hole wall of the mounting hole 21. In other words, the avoiding groove 42 and the elastic sheet 41 can be arranged on the same component or different components, as long as the insulating mounting base 31 and the assembly frame 20 can be connected and fixed into an integrated whole under the action of the buckle structure 40.

[0042] In some embodiments, referring to Figures 3-8 , the avoiding groove 42 is arranged on the hole wall of the mounting hole 21. At this time, the groove surface of the avoiding groove 42 can also be understood as a part of the hole wall. The elastic sheet 41 is arranged in the avoiding groove 42, and the elastic sheet 41 can extend out of the avoiding groove 42. When the insulating mounting base 31 is installed into the mounting hole 21, the insulating mounting base 31 abuts against the elastic sheet 41, so as to press the elastic sheet 41 in the direction close to the avoiding groove 42.

[0043] In some embodiments, referring to Figure 7 and Figure 8 , at least two sets of buckle structures 40 are arranged in one mounting hole 21. The hole wall of the mounting hole 21 comprises four side walls, and the four side walls are opposite to each other in pairs. At least two opposite side walls are provided with the buckle structure 40, so as to stably clamp and fix the insulating mounting base 31 in the mounting hole 21 through the buckle structures 40 arranged on the two opposite side walls.

[0044] In some embodiments, at least one set of buckling structures 40 can be arranged on each of the four side walls of the mounting hole 21.

[0045] In some embodiments, referring to Figures 1-8 , in order to facilitate the positioning of the insulating mounting seat 31 and the assembly frame 20 during assembly, at least one first protrusion 411 is arranged on the elastic sheet 41, and when the number of the first protrusions 411 is at least two, the at least two first protrusions 411 are arranged at intervals along the circumference of the mounting hole 21; a first sliding groove 311 is formed on the outer circumferential surface of the insulating mounting seat 31, and the first protrusion 411 and the first sliding groove 311 are in sliding fit, so as to play a positioning and guiding role, thereby effectively reducing the difficulty of assembly of the insulating mounting seat 31 and the assembly frame 20.

[0046] It should be noted that there are various forming schemes for the first sliding groove 311, which are not specifically limited in the present application, and any feasible scheme can be adopted. For example, in some embodiments, the first sliding groove 311 can be a groove formed directly on the outer circumferential surface of the insulating mounting seat 31, and in other embodiments, referring to Figures 3-8 , a protrusion can also be arranged at intervals on the outer circumferential surface of the insulating mounting seat 31, and the space between the protrusions is the first sliding groove 311.

[0047] In some embodiments, in order to effectively prevent the insulating mounting seat 31 from being separated from the assembly frame 20, referring to Figures 3-4 , Figure 7 and Figure 8 , the mounting hole 21 is a stepped hole, one end of the insulating mounting seat 31 is provided with a flange edge 313, and the outer circumferential surface of the insulating mounting seat 31 is further provided with a limiting portion 314 for limiting the first protrusion 411, and the flange edge 313 is lapped on the shoulder of the stepped hole, so that the insulating mounting seat 31 can be positioned on the assembly frame 20 in the axial direction of the mounting hole 21; during assembly, the end of the insulating mounting seat 31 away from the flange edge 313 is first placed into the mounting hole 21 from the large hole end of the stepped hole, at this time the first protrusion 411 abuts against the limiting portion 314, the limiting portion 314 presses the elastic sheet 41 so that the insulating mounting seat 31 can move in the mounting hole 21 to the small hole section of the stepped hole under the action of external force, and as the insulating mounting seat 31 is placed, the limiting portion 314 is separated from the elastic sheet 41, at this time the elastic sheet 41 is recovered by a certain distance away from the avoiding groove 42, so that the first protrusion 411 falls into the first sliding groove 311, and at this time the flange edge 313 is also lapped on the shoulder of the stepped hole, and under the condition that the elastic sheet 41 is not manually pressed by external force, the insulating mounting seat 31 cannot be separated from the assembly frame 20.

[0048] In some embodiments, referring to Figures 3-8In order to facilitate positioning of the insulating mounting seat 31 and the assembling frame 20 during assembly, one of the hole wall of the mounting hole 21 and the insulating mounting seat 31 can be further provided with at least two second protrusions 23, and the at least two second protrusions 23 are arranged at intervals along the circumference of the mounting hole 21 or along the circumference of the insulating mounting seat 31; the other of the hole wall of the mounting hole 21 and the insulating mounting seat 31 is formed with a second sliding groove 312, and the assembling frame 20 and the insulating mounting seat 31 are slidingly matched through the second protrusions 23 and the second sliding groove 312, so as to play a positioning and guiding role, and effectively reduce the difficulty of assembly of the insulating mounting seat 31 and the assembling frame 20.

[0049] In some embodiments, referring to Figures 3-8 The second protrusions 23 are arranged on the hole wall of the mounting hole 21, and the second sliding groove 312 is arranged on the insulating mounting seat 31.

[0050] The forming scheme of the second sliding groove 312 can also be various, which is the same as the first sliding groove 311, and the utility model does not make specific limitation, and any feasible scheme can be adopted. For example, taking the second sliding groove 312 located on the insulating mounting seat 31 as an example, in some embodiments, the second sliding groove 312 can be a groove directly formed on the outer circumferential surface of the insulating mounting seat 31, and in another embodiment, referring to Figures 3-8 The outer circumferential surface of the insulating mounting seat 31 can also be arranged with protrusions at intervals, and the space between the protrusions is the second sliding groove 312.

[0051] In some embodiments, the shell 10 can include detachably connected upper and lower shells, and the assembling frame 20 and the shell 10 also adopt a detachable connection scheme.

[0052] In some embodiments, referring to Figures 5-8, the one end of the insulating mounting base 31 extends out of the mounting hole 21; the shell 10 comprises an inner module 11 and an outer module 12; the inner module 11 is injection molded, the inner module 11 covers the part of the plug assembly 30 extending out of the mounting hole 21 and the one end of the assembly frame 20, the inner module 11 connects the assembly frame 20 and the plug assembly 30; the one end of the assembly frame 20 away from the inner module 11 has an annular boss 22 spaced from the inner module 11, the outer module 12 is injection molded on the inner module 11 and the assembly frame 20, the end face of the outer module 12 abuts against the end face of the annular boss 22 facing the inner module 11. On the one hand, the shell 10 is molded on the assembly frame 20 and the plug assembly 30 by the process of injection molding, so as to improve the connection strength of each component of the product, so that the shell 10, the assembly frame 20 and the plug assembly 30 can be stably connected, and the surface quality of the product obtained by injection molding is higher. On the other hand, the shell 10 is divided into the inner module 11 and the outer module 12, and two injection moldings are performed in sequence, the inner module 11 is obtained by the first injection molding, the assembly frame 20 and the plug assembly 30 are further connected and fixed through the inner module 11, the outer module 12 is formed on the inner module 11 by the second injection molding, and the inner module 11 and the plug assembly 30 are further connected, and the existence of the outer module 12 is beneficial to improving the structural strength and external impact resistance of the product as a whole.

[0053] In some embodiments, in order to improve the appearance and structural beauty and stability of the product, please refer to Figure 1 , the end face of the outer module 12 abuts against the end face of the annular boss 22 facing the inner module 11 and is smoothly connected.

[0054] In some embodiments, please refer to Figure 6 , the outer circumferential surface of the insulating mounting base 31 and the outer circumferential surface of the assembly frame 20 are both provided with flow channels 50 for the flow of injection molding material, on the one hand, the existence of the flow channels 50 facilitates the flow of injection molding material, which is beneficial to improving the efficiency and quality of injection molding, and on the other hand, the existence of the flow channels 50 enables the inner module 11 and the outer module 12 to be partially embedded in the insulating mounting base 31, which can effectively strengthen the connection strength and further improve the integrity of the shell 10, the insulating mounting base 31 and the assembly frame 20, effectively preventing the insulating mounting base 31 and the assembly frame 20 from being separated from the shell 10.

[0055] In some embodiments, in order to improve the appearance and structural stability of the product, and to effectively reduce the influence of unstable process on product quality in the processing process, the inner module 11 and the outer module 12 both have four circumferential sides, and the four circumferential sides of the inner module 11 and the four circumferential sides of the outer module 12 are both inwardly recessed curved surfaces. During injection molding, the corresponding mold surface of the injection mold is also a curved surface. Compared with the structure in which the circumferential sides are both flat, the product surface is not prone to shrinkage, which not only improves the surface quality of product processing, but also effectively reduces the production defective rate of the product.

[0056] In some embodiments, please refer toFigures 1-8 In order to provide more output lines, the number of plug assemblies 30 can be two, and the assembly frame 20 is provided with two mounting holes 21, and the plug assemblies 30 are installed in the mounting holes 21 one by one. In some embodiments, in order to facilitate the user to correctly connect the corresponding cable of each plug assembly 30, the insulating mounting seat 31 of the two plug assemblies 30 can be set to different colors to play a prompting and foolproof role.

[0057] The plurality of pins 32 of the plug assembly 30 can be arranged according to the structure of the required interface to selectively plug with different brands of cable lines.

[0058] It should be noted that other structures of the cable distribution box 100 not introduced can refer to the prior art, for example, the shell 10 is further provided with an external wire 60 and a plurality of resistance elements 70, the external wire 60 extends from one end of the shell 10 away from the assembly frame 20 for external connection, and the resistance element 70 is electrically connected to the external wire 60 at one end and is electrically connected to the pins 32 of the plug assembly 30 at the other end.

[0059] In some embodiments, referring to Figures 3-8 In order to fix the plurality of resistance elements 70, the shell 10 is further provided with a protection frame 80, the protection frame 80 is provided with a plurality of partitions 81, the resistance elements 70 are arranged on the protection frame 80, and the adjacent two resistance elements 70 are separated by the protection frame 80 to ensure the insulation of the electronic components in the shell 10 and effectively avoid the mutual interference between the resistance elements 70.

[0060] In some embodiments, referring to Figures 3-8 The same side of one protection frame 80 is provided with five resistance elements 70, the structure of the plug assembly 30 corresponds to a 5-core interface structure, and the ten pins 32 of the plug assembly 30 are distributed in two rows and five columns, wherein the five pins 32 on the same row of the plug assembly 30 are connected to the five resistance elements 70 one by one, and the remaining five pins 32 in one row are used to connect the shielding end of the cable line.

[0061] In some embodiments, referring to Figures 3-8 The protection frame 80 has a protruding plug portion 82 at one end, the end face of the insulating mounting seat 31 towards the protection frame 80 is provided with a receiving portion 315 matched with the shape of the plug portion 82, and the plug portion 82 and the receiving portion 315 are plug-fitted to position the protection frame 80 and the insulating mounting seat 31.

[0062] In summary, the cable distribution box 100 provided by the utility model has at least the following beneficial effects:

[0063] Compared with the prior art, the plug assembly 30 and the mounting frame 20 in the cable distribution box 100 are independent components, the plug assembly 30 and the mounting frame 20 can be respectively pre-produced on an upstream production line, and the plug assembly 30 and the mounting frame 20 are fixed and assembled through the buckle structure 40 when the complete cable distribution box 100 is prepared. On the one hand, pre-preparation before assembly can effectively improve the product preparation efficiency, and can effectively ensure the forming quality of the plug assembly 30, is beneficial to the quality guarantee of the final product, so as to improve the yield of the final product. On the other hand, different plug assemblies 30 of different interface forms can be replaced to obtain different cable distribution box 100 products during preparation, only the outer shape of the insulating mounting seat 31 needs to be matched with the mounting hole 21, that is, the same assembly structure of the plug assembly 30 and the mounting frame 20 is ensured, the same mounting frame 20 can be compatible with plug assemblies 30 of different interface forms, the structure of the mounting frame 20 and the structure of the shell 10 are not changed, and the connection scheme of the mounting frame 20 and the shell 10 is not changed, which is beneficial to reducing the development cost of the product.

[0064] The above application of specific examples is used to illustrate the utility model, which is only used to help understand the utility model, and does not limit the utility model. According to the idea of the utility model, those skilled in the art of the utility model can make some simple deductions, deformations or substitutions.

Claims

1. A cable breakout box, characterized by The application relates to a plug assembly, which comprises a housing, an assembling frame arranged at one end of the housing, and a plug assembly comprising an insulating mounting base and a plurality of pins mounted on the insulating mounting base. The assembling frame has a mounting hole, the insulating mounting base is arranged in the mounting hole, and the insulating mounting base is clamped and fixed with the hole wall of the mounting hole through a buckle structure, so that the insulating mounting base is sleeved with the assembling frame, and the plug assembly is fixed on the housing through the assembling frame. The number of the buckle structures is at least one set. Each set of the buckle structures comprises an elastic sheet and an avoiding groove, the elastic sheet is arranged on the outer circumferential surface of the insulating mounting base or the hole wall of the mounting hole, the avoiding groove is arranged on the outer circumferential surface of the insulating mounting base or the hole wall of the mounting hole, when the insulating mounting base is arranged in the mounting hole, the elastic sheet is arranged in the avoiding groove, and the two ends of the elastic sheet are elastically supported on the insulating mounting base and the hole wall of the mounting hole respectively. The avoiding grooves are arranged on the hole wall of the mounting hole, the elastic sheets are arranged in the avoiding grooves one by one, and the elastic sheets can extend out of the avoiding grooves.

2. The cable breakout box of claim 1, wherein, At least two sets of the buckle structures are arranged in one mounting hole, the hole wall of the mounting hole comprises four side walls, the four side walls are opposite to each other in pairs, and at least two opposite side walls are provided with the buckle structures. At least one first protrusion is arranged on the elastic sheet, when the number of the first protrusions is at least two, the at least two first protrusions are arranged in the circumferential direction of the mounting hole.

3. The cable breakout box of claim 2, wherein, A first sliding groove is formed on the outer circumferential surface of the insulating mounting base, and the first protrusion and the first sliding groove are in sliding fit.

4. The cable breakout box of claim 3, wherein, The mounting hole is a stepped hole, one end of the insulating mounting base is provided with a flange, the outer circumferential surface of the insulating mounting base is further provided with a limiting part for limiting the first protrusion, and the flange is overlapped on the hole shoulder of the stepped hole, so that the insulating mounting base can be positioned on the assembling frame in the axial direction of the mounting hole.

5. The cable breakout box of claim 3, wherein, One of the hole wall of the mounting hole and the insulating mounting base is provided with at least two second protrusions, and the at least two second protrusions are arranged in the circumferential direction of the mounting hole or in the circumferential direction of the insulating mounting base; the other of the hole wall of the mounting hole and the insulating mounting base is provided with a second sliding groove, and the assembling frame and the insulating mounting base are in sliding fit through the second protrusions and the second sliding groove. One end of the insulating mounting base extends out of the mounting hole, the housing comprises an inner mold and an outer mold, the inner mold is injection molded, the inner mold covers the part of the plug assembly extending out of the mounting hole and one end of the assembling frame, the inner mold is connected with the assembling frame and the plug assembly, one end of the assembling frame away from the inner mold has an annular boss spaced from the inner mold, and the outer mold is injection molded on the inner mold and the assembling frame, and the end surface of the outer mold is abutted with the end surface of the annular boss facing the inner mold.

6. The cable breakout box of claim 5, wherein, The outer circumferential surface of the insulating mounting base and the outer circumferential surface of the assembling frame are both provided with flow channels for the flow of injection materials.

7. The cable breakout box of any one of claims 1-6, wherein, ​ 8. The cable breakout box of any one of claims 1-6, wherein, ​ 9. The cable breakout box of claim 8, wherein, ​ 10. The cable breakout box of any one of claims 1-6, wherein, The number of the plug assemblies is two, the assembling frame is provided with two mounting holes, and the plug assemblies are installed in the mounting holes one by one.

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