Optimization design method of sliding arm and sliding arm

Abstract

The application provides an optimal design method of a sliding arm and the sliding arm, relates to the technical field of the sliding arm of a headset, and comprises a metal arc-shaped main component, an arc-shaped part is arranged at the central axis of the metal arc-shaped main component, and a plurality of inclined holes are arranged on the metal arc-shaped main component and located on the two sides of the arc-shaped part. The application is characterized in that the sliding arm structure comprises the metal arc-shaped main component, the arc-shaped part is arranged at the central axis of the metal arc-shaped main component, the plurality of inclined holes are arranged on the metal arc-shaped main component and located on the two sides of the arc-shaped part, the elasticity of the metal arc-shaped main component is adjusted by the plurality of inclined holes, the optimal design method of the sliding arm is designed, the optimal design method can quickly obtain the sliding arm meeting the requirements, compared with the traditional experience design and the repeated debugging method for designing the sliding arm, the application can greatly improve the design efficiency, reduce the test experiment times, and meet the current electronic equipment updating iteration speed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sliding arms of headsets, in particular to an optimized design method of a sliding arm and the sliding arm. BACKGROUND

[0002] A headset is a headphone that is worn on the head, usually covering or encircling the ears, which can provide better sound isolation and sound quality, and is generally more comfortable than an earbud, especially when worn for a long time; the sliding arm of the headset is a main body connecting two hinges, which is generally made of metal components, and the outside is covered with a soft pad / injection layer; the sliding arm needs to meet the lightweight and sufficient elasticity requirements when designed; the traditional design of the sliding arm is based on experience and repeated debugging, which is low in design efficiency; and the traditional method cannot meet the actual needs due to the fast updating and iteration speed of electronic devices. Therefore, the present application provides an optimized design method of a sliding arm and the sliding arm. SUMMARY

[0003] In view of the deficiencies of the prior art, the present application provides an optimized design method of a sliding arm and the sliding arm, which solves the problem of low design efficiency of the traditional design of the sliding arm based on experience and repeated debugging, and the problem that the traditional method cannot meet the actual needs due to the fast updating and iteration speed of electronic devices.

[0004] To achieve the above purpose, the present application is implemented by the following technical scheme:

[0005] An optimized design method of a sliding arm, the sliding arm comprising:

[0006] a metal arc-shaped main body component, an arch-shaped portion is provided at the central axis of the metal arc-shaped main body component, and a plurality of inclined holes are formed on the metal arc-shaped main body component and located on both sides of the arch-shaped portion;

[0007] The design method comprises the following steps:

[0008] S1, establishing a three-dimensional model of the sliding arm;

[0009] S2, opening the inclined holes and adjusting the density value P of the inclined holes, recording the density value P0 of the inclined holes under the condition of satisfying formula ①;

[0010] V1 < V < V2 ①;

[0011] In formula ①, V represents the volume of the three-dimensional model of the sliding arm during the adjustment of the density value P of the inclined holes, V1 is the volume of the test component one that meets the minimum width of the set test experiment, and V2 is the total volume of the test component two that meets the minimum number of the dispersion test experiment.

[0012] Preferably, the set test experiment comprises the following steps:

[0013] S2a, Create several test components with decreasing / increasing widths;

[0014] Among them, the length of the test component when unfolded is the same as the length of the sliding arm when unfolded, and the thickness of the test component is the same as the thickness of the sliding arm.

[0015] S2b, Test experiment: Use a telescopic component with a pressure feedback sensor to push the two ends of test component one apart by a distance L, and record the volume V1 of the test component one that meets the elasticity requirement and has the smallest width.

[0016] Preferably, the dispersion test experiment includes:

[0017] S21. Create several test components with the same width.

[0018] Among them, the length of test component two when unfolded is the same as the length of sliding arm when unfolded, and the thickness of test component two is the same as the thickness of sliding arm;

[0019] S22. In the test experiment, a telescopic component with a pressure feedback sensor is used to push open the two ends of several test components II arranged in parallel by a distance L. The volume V2 of the group of test components II that meets the elasticity requirement and has the fewest number of components is recorded.

[0020] Preferably, the metal arc-shaped main body component has a structure that is wide in the middle and narrow at both ends, and the ends of the metal arc-shaped main body component are provided with positioning openings;

[0021] Sliding openings are provided on the surface of the metal arc-shaped main body component and near both ends of the metal arc-shaped main body component.

[0022] Another object of the present invention is to provide a sliding arm comprising:

[0023] A metal arc-shaped main body component, wherein an arched part is provided at the central axis of the metal arc-shaped main body component, and several oblique holes are provided on both sides of the arched part on the metal arc-shaped main body component, and sliding openings are provided on the surface of the metal arc-shaped main body component near both ends of the metal arc-shaped main body component.

[0024] The sliding arm has two sets, which are distributed at both ends of the metal arc-shaped main body. The inner side of the sliding arm has a notch corresponding to the arched part. The inner side of the sliding arm has a rectangular opening, and a rolled strip is fixedly connected to the inner side of the rectangular opening. The rolled strip is slidably disposed inside the sliding opening.

[0025] A horizontal shaft is rotatably mounted on the inner side of the winding section, and a rolling element is rotatably mounted on the outer side of the horizontal shaft and on the inner side of the arched section.

[0026] Preferably, the metal arc-shaped main component is of a structure with a wide middle part and narrow ends.

[0027] Preferably, the end of the metal arc-shaped main component is provided with a positioning opening, and the inner side of the sliding small arm is fixedly connected with a few-shaped limiting piece corresponding to the positioning opening.

[0028] Preferably, the end of the sliding small arm is fixedly connected with a T-shaped head.

[0029] Preferably, the inclined holes on the metal arc-shaped main component on both sides of the arched part are symmetrically distributed in an "eight" shape.

[0030] Preferably, two groups of rolling strip parts are arranged on each sliding small arm, and the rolling body is located between the two groups of rolling strip parts on the same sliding small arm.

[0031] The application provides an optimized design method of a sliding arm and the sliding arm.

[0032] 1. The application, by designing the structure of the sliding arm, comprises a metal arc-shaped main component, an arched part is arranged at the central axis of the metal arc-shaped main component, a plurality of inclined holes are arranged on the metal arc-shaped main component and located on both sides of the arched part, the elasticity of the metal arc-shaped main component is adjusted by the plurality of inclined holes, and an optimized design method of the sliding arm is designed, specifically, the density value P of the inclined hole is adjusted, under the condition of meeting the formula V1 < V < V2, the density value P0 of the inclined hole is recorded, in the formula, V represents the volume of the three-dimensional model of the sliding arm in the process of adjusting the density value P of the inclined hole, V1 is the volume of the test component one meeting the minimum width of the set test experiment, and V2 is the total volume of the test component two meeting the minimum number of the dispersion test experiment, and the optimized design method can quickly obtain the sliding arm meeting the requirements, compared with the traditional experience design and repeated debugging method of designing the sliding arm, the design efficiency of the application can be greatly improved, the number of test experiments can be reduced, and the updating and iteration speed of the current electronic equipment can be met.

[0033] 2. The application, by designing the specific sliding structure of the sliding small arm and the metal arc-shaped main component, specifically adopting the following steps: a sliding opening is arranged on the metal arc-shaped main component, a rolling strip part corresponding to the sliding opening is fixedly connected to the inner side of the sliding small arm, the rolling strip part slides on the inner side of the sliding opening, a horizontal shaft is arranged to limit the rolling strip part, so that the rolling strip part does not separate from the sliding opening, a rolling body is arranged on the horizontal shaft, the rolling body slides on the inner side of the arched part on the metal arc-shaped main component, and the sliding structures are matched with each other, so that the sliding small arm and the metal arc-shaped main component can stably slide, and the structure of the sliding small arm still has high stability after the sliding small arm slides out.

[0034] 3、The metal arc-shaped main body member of the sliding arm of the present application has the positioning opening at the end of the metal arc-shaped main body member, the inside of the sliding small arm is fixedly connected with the H-shaped limiting piece corresponding to the positioning opening, the H-shaped limiting piece can be clamped at the positioning opening when the sliding small arm approaches the fully retracted state, the relative stability of the sliding small arm and the metal arc-shaped main body member is maintained, the free sliding of the sliding small arm during carrying is avoided, and better user experience is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 It is a perspective view of the metal arc-shaped main body member of the sliding arm according to the present application;

[0036] Figure 2 It is a first perspective view of the sliding arm according to the present application;

[0037] Figure 3 It is a second perspective view of the sliding arm according to the present application;

[0038] Figure 4 It is a perspective view of the sliding small arm of the sliding arm according to the present application;

[0039] Figure 5 It is Figure 3 It is a local enlarged view of A in FIG. 8.

[0040] In the figure, 1 is a metal arc-shaped main body member, 2 is an arch-shaped part, 3 is a sliding opening, 4 is an inclined hole, 5 is a positioning opening, 6 is a sliding small arm, 7 is a notched part, 8 is a rectangular opening, 9 is a winding strip part, 10 is a T-shaped head, 11 is an H-shaped limiting piece, 12 is a horizontal shaft, and 13 is a rolling body. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0042] Embodiment one:

[0043] As Figure 1As shown, the embodiment of the present application provides an optimal design method of a sliding arm, the sliding arm designed by the optimal design method comprises: a metal arc-shaped main component 1, the metal arc-shaped main component 1 is the main structure of the sliding arm, and the optimal design method is also used for optimizing the design of the metal arc-shaped main component 1. Specifically, an arch-shaped part 2 is arranged at the central axis of the metal arc-shaped main component 1, and a plurality of inclined holes 4 are arranged on the metal arc-shaped main component 1 and located on both sides of the arch-shaped part 2. The inclined holes 4 are used for adjusting the elastic force of the metal arc-shaped main component, so as to meet the elastic requirement in wearing, and the inclined holes 4 are arranged to reduce the weight of the metal arc-shaped main component 1, so as to achieve the purpose of light weight.

[0044] The specific design method of the sliding arm comprises the following steps:

[0045] S1, a three-dimensional model of the sliding arm is established, which can be drawn by using the general three-dimensional software currently used for design, and the thickness of the metal arc-shaped main component 1 is calculated according to the thickness of the raw plate material;

[0046] S2, the inclined holes 4 are arranged, and the density value P of the inclined holes 4 is adjusted (the density value P is the specific number of the inclined holes 4 or the density value P is the specific number of the inclined holes 4 / the surface area of the metal arc-shaped main component 1), and the density value P0 of the inclined holes 4 is recorded under the condition of meeting formula ①.

[0047] V1 < V < V2 ①

[0048] In formula ①, V represents the volume of the three-dimensional model of the sliding arm in the process of adjusting the density value P of the inclined holes 4, V1 represents the volume of the test component one meeting the minimum width of the set test experiment, and V2 represents the total volume of the test component two meeting the minimum number of the dispersion test experiment.

[0049] V1 represents the volume of the test component one meeting the minimum width of the set test experiment, the data is obtained by the set test experiment, which represents the material used when the overall form meets the elastic requirement. Since the metal arc-shaped main component 1 designed in the actual scheme is a porous structure, the volume of the metal arc-shaped main component 1 designed in the actual scheme should be greater than V1; V2 represents the total volume of the test component two meeting the minimum number of the dispersion test experiment, the data is obtained by the dispersion test experiment, which represents the material used when the form of multiple non-interacting test components two meets the elastic requirement. Since the metal arc-shaped main component 1 designed in the actual scheme is a porous structure, there is a connection between each part, so the volume of the metal arc-shaped main component 1 designed in the actual scheme should be less than V2.

[0050] The sliding arm structure is designed, which comprises a metal arc-shaped main body component 1, an arch-shaped part 2 is arranged at the central axis of the metal arc-shaped main body component 1, a plurality of inclined holes 4 are arranged on the metal arc-shaped main body component 1 and located on both sides of the arch-shaped part 2, the elasticity of the metal arc-shaped main body component 1 is adjusted by the plurality of inclined holes 4, and an optimization design method of the sliding arm is designed, specifically, the density value P of the inclined hole is adjusted, under the condition of meeting V1VV2, the density value P0 of the inclined hole is recorded, wherein V represents the volume of the three-dimensional model of the sliding arm in the process of adjusting the density value P of the inclined hole, V1 is the volume of the test component one meeting the minimum width of the set test experiment, and V2 is the total volume of the test component two meeting the minimum number of the dispersion test experiment, the optimization design method can quickly obtain the sliding arm meeting the requirements, compared with the traditional experience design and repeated debugging method of designing the sliding arm, the design efficiency can be greatly improved, the test experiment times are reduced, and the electronic equipment updating iteration speed is met.

[0051] In an embodiment, the set test experiment comprises the following steps:

[0052] S2a, a plurality of test components one with decreasing / increasing width are made;

[0053] The length of the test component one when flattened is consistent with the length of the sliding arm when flattened, the thickness of the test component one is consistent with the thickness of the sliding arm, and the material of the test component one is also consistent with the material of the metal arc-shaped main body component 1;

[0054] S2b, a test experiment is performed, the two ends of the test component one are opened to a distance L (L is a fixed value, which is determined by measuring the width of the head profile of a user) by using a telescopic part with a pressure feedback sensor, and the volume V1 of the test component one meeting the elastic force requirement and having the minimum width is recorded; for example, the plurality of test components one with decreasing width are tested, when the next test cannot meet the elastic force requirement, the volume of the test component one used in this test is calculated as V1; otherwise, the plurality of test components one with increasing width are tested, when the first test meets the elastic force requirement, the volume of the test component one used in this test is calculated as V1.

[0055] In an embodiment, the dispersion test experiment comprises:

[0056] S21, a plurality of test components two with consistent width are made;

[0057] The length of the test component two when flattened is consistent with the length of the sliding arm when flattened, the thickness of the test component two is consistent with the thickness of the sliding arm, and the material of the test component two is also consistent with the material of the metal arc-shaped main body component 1;

[0058] S22, test experiment, use the telescopic part with pressure feedback sensor to open the distance of two ends of several test members two in parallel distribution to L (L is a fixed value, which is determined by measuring the width of the user's head profile), record the volume V2 of the test member two that meets the elastic demand and the least number; for example, take more test members two for test experiment, and constantly reduce one test member two for repeated experiment, when the next experiment cannot meet the test elastic demand, the volume of the test member two used in this test is calculated as V2; otherwise, take less test members two for test experiment, and constantly increase one test member two for repeated experiment, when the first experiment meets the test elastic demand, the volume of the test member two used in this test is calculated as V2.

[0059] In an embodiment, the metal arc-shaped main member 1 is wide in the middle and narrow at both ends, the end of the metal arc-shaped main member 1 is provided with a positioning port 5 for fixing the sliding small arm 6, and the surface of the metal arc-shaped main member 1 and the positions close to both ends of the metal arc-shaped main member 1 are provided with sliding ports 3 for installing the sliding small arm 6.

[0060] Embodiment two:

[0061] As shown in Figures 1-5 , the embodiment of the application provides a sliding arm, which comprises a metal arc-shaped main member 1, a sliding small arm 6, a horizontal shaft 12 and a rolling body 13, the metal arc-shaped main member 1 and the sliding small arm 6 are both made of metal plate material and are processed through blanking and coiling processes.

[0062] The metal arc-shaped main body member 1 is provided with an arch-shaped part 2 at the center axis, the arch-shaped part 2 is formed by stamping through a blind hole stretching process, the arch-shaped part 2 can reduce the springback amount of the metal arc-shaped main body member 1 after coiling, so that the elastic demand is better met, a plurality of inclined holes 4 are formed on the metal arc-shaped main body member 1 and located on both sides of the arch-shaped part 2, the inclined holes 4 are used to adjust the elastic force of the metal arc-shaped main body member, the specific principle is that the density value P of the inclined holes 4 can be adjusted to adjust the elastic force of the metal arc-shaped main body member 1, a sliding port 3 is formed on the surface of the metal arc-shaped main body member 1 and close to both ends of the metal arc-shaped main body member 1, the sliding small arm 6 is provided with two groups, the two groups of sliding small arms 6 are distributed at both ends of the metal arc-shaped main body member 1, a notch part 7 is formed on the inner side of the sliding small arm 6, the notch part 7 corresponds to the arch-shaped part 2, and a sliding cooperation structure is formed, a rectangular port 8 is formed on the inner side of the sliding small arm 6, the rectangular port 8 is fixedly connected with a coiled strip part 9, the coiled strip part 9 is slidably arranged on the inner side of the sliding port 3, and the sliding structure formed by the coiled strip part 9 and the sliding port 3 is a main sliding cooperation structure, which is used to meet the sliding demand of the sliding small arm 6, a horizontal shaft 12 is rotatably arranged on the inner side of the coiled strip part 9, a rolling body 13 is rotatably arranged on the outer side of the horizontal shaft 12 and located on the inner side of the arch-shaped part 2, the horizontal shaft 12 limits the coiled strip part 9, so that the coiled strip part 9 is prevented from being separated from the sliding port 3, and the rolling body 13 is further arranged on the horizontal shaft 12 and slides on the inner side of the arch-shaped part of the metal arc-shaped main body member 1, the sliding structures are matched with each other, so that the sliding small arm 6 and the metal arc-shaped main body member 1 can stably slide, and especially, the structure of the sliding small arm 6 still has high stability after the sliding small arm 6 slides and extends.

[0063] In an embodiment, the metal arc-shaped main body member 1 has a structure that the middle part is wide and the two ends are narrow, the elastic force borne by the metal arc-shaped main body member 1 is mainly provided by the middle part, so the structure that the middle part is wide and the two ends are narrow is more reasonable, and the demand of reducing the weight of the metal arc-shaped main body member 1 is met.

[0064] In an embodiment, the end of the metal arc-shaped main body member 1 is provided with a positioning port 5, the inner side of the sliding small arm 6 is fixedly connected with a few-shaped limiting part 11 corresponding to the positioning port 5, when the sliding small arm 6 approaches the completely retracted state, the few-shaped limiting part 11 can be clamped at the positioning port 5, the relative stability of the sliding small arm 6 and the metal arc-shaped main body member 1 is maintained, the free sliding of the sliding small arm 6 in the carrying process is avoided, and better user experience is obtained.

[0065] In an embodiment, the end of the sliding small arm 6 is fixedly connected with a T-shaped head 10, the T-shaped head 10 is used to be fixedly connected with the hinge of the headset, and the connection part is wrapped by an injection molding process.

[0066] In an embodiment, the inclined holes 4 on both sides of the arch-shaped part 2 of the metal arc-shaped main body member 1 are symmetrically distributed in an "eight" shape, so that the distribution of the inclined holes 4 is more reasonable, and the whole is beautiful and generous.

[0067] In an embodiment, two sets of winding strips 9 are arranged on each sliding arm 6, which can more stably limit the transverse shaft 12, and the rolling body 13 is located between the two sets of winding strips 9 on the same sliding arm 6, which can further limit the transverse movement of the transverse shaft 12 by means of the rolling body 13.

[0068] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A method of optimal design of a sliding arm, characterized in that, The sliding arm comprises: A metal arc-shaped main member (1) is provided with an arch-shaped part (2) at the central axis, and a plurality of inclined holes (4) are arranged on the metal arc-shaped main member (1) and located on both sides of the arch-shaped part (2); The design method comprises the following steps: S1, a three-dimensional model of the sliding arm is established; S2, the inclined holes (4) are opened, and the density value P of the inclined holes (4) is adjusted, and the density value P0 of the inclined holes (4) is recorded under the condition of satisfying formula ①; V1 < V < V2 ①; In formula ①, V represents the volume of the three-dimensional model of the sliding arm in the process of adjusting the density value P of the inclined holes (4), V1 is the volume of a test member one satisfying the minimum width of the set test experiment, and V2 is the total volume of a test member two satisfying the minimum number of the dispersion test experiment; The set test experiment comprises the following steps: S2a, a plurality of test member ones with decreasing / increasing width are prepared; Wherein, the length of the test member one when flattened is consistent with the length of the sliding arm when flattened, and the thickness of the test member one is consistent with the thickness of the sliding arm; S2b, a test experiment is performed, the two ends of the test member one are separated by a distance L using a telescopic member with a pressure feedback sensor, and the volume V1 of the test member one satisfying the elastic force requirement and having the minimum width is recorded; The dispersion test experiment comprises: S21, a plurality of test member twos with consistent width are prepared; Wherein, the length of the test member two when flattened is consistent with the length of the sliding arm when flattened, and the thickness of the test member two is consistent with the thickness of the sliding arm; S22, a test experiment is performed, the two ends of a plurality of test member twos distributed in parallel are separated by a distance L using a telescopic member with a pressure feedback sensor, and the volume V2 of the test member two satisfying the elastic force requirement and having the minimum number is recorded.

2. According to the optimization design method of the sliding arm according to claim 1, wherein: The metal arc-shaped main member (1) has a structure of wide in the middle and narrow at both ends, and the end of the metal arc-shaped main member (1) is provided with a positioning port (5); The surface of the metal arc-shaped main member (1) and the positions close to the two ends of the metal arc-shaped main member (1) are provided with sliding ports (3).

3. A sliding arm designed by the method of claim 1, characterized in that, Comprise: A metal arc-shaped main member (1) is provided with an arch-shaped part (2) at the central axis, and a plurality of inclined holes (4) are arranged on the metal arc-shaped main member (1) and located on both sides of the arch-shaped part (2), and the surface of the metal arc-shaped main member (1) and the positions close to the two ends of the metal arc-shaped main member (1) are provided with sliding ports (3); Two groups of sliding small arms (6) are arranged at the two ends of the metal arc-shaped main member (1), the inner side of the sliding small arm (6) is provided with a notched part (7) corresponding to the arch-shaped part (2), the inner side of the sliding small arm (6) is provided with a rectangular port (8), the inner side of the rectangular port (8) is fixedly connected with a roll strip part (9), and the roll strip part (9) is slidably arranged in the inner side of the sliding port (3). A horizontal shaft (12) is rotatably installed at the inner side of the roll strip part (9), and a rolling body (13) is rotatably installed at the outer side of the horizontal shaft (12) and at the inner side of the arc part (2).

4. A sliding arm according to claim 3, characterized in that: The metal arc-shaped main body member (1) has a structure of wide in the middle and narrow at both ends.

5. A sliding arm according to claim 4, wherein: The end of the metal arc-shaped main body member (1) is provided with a positioning opening (5), and the inner side of the sliding small arm (6) is fixedly connected with a few-shaped limiting piece (11) corresponding to the positioning opening (5).

6. A sliding arm according to claim 5, wherein: The end of the sliding small arm (6) is fixedly connected with a T-shaped head (10).

7. A sliding arm according to claim 6, wherein: The inclined holes (4) on both sides of the arc part (2) of the metal arc-shaped main body member (1) are symmetrically distributed in the shape of "8".

8. A sliding arm according to claim 7, wherein: Two groups of roll strip parts (9) are arranged on each sliding small arm (6), and the rolling body (13) is located between the two groups of roll strip parts (9) on the same sliding small arm (6).

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