Optimization design method of sliding arm and sliding arm

Abstract

The invention provides an optimal design method of a sliding arm and the sliding arm, and relates to the technical field of sliding arms of headphones, the sliding arm comprises a metal arc-shaped main body component, an arch-shaped part is arranged at the central axis of the metal arc-shaped main body component, and a plurality of inclined holes are formed in the metal arc-shaped main body component and located on the two sides of the arch-shaped part. By designing the sliding arm structure, the sliding arm structure comprises the metal arc-shaped main body component, the arch-shaped part is arranged at the central axis of the metal arc-shaped main body component, the multiple inclined holes are formed in the positions, located on the two sides of the arch-shaped part, of the metal arc-shaped main body component, and the elasticity of the metal arc-shaped main body component is adjusted through the multiple inclined holes; according to the method, the sliding arm is designed, the optimal design method of the sliding arm is designed, the sliding arm meeting the requirement can be rapidly obtained through the optimal design method, and compared with a traditional sliding arm design method adopting experience design and repeated debugging, the design efficiency can be greatly improved, the number of test experiments can be reduced, and the updating iteration speed of current electronic equipment can be met.

Description

Technical Field

[0001] The present invention relates to the technical field of sliding arms of headphones, and in particular to an optimization design method of a sliding arm and the sliding arm. Background Art

[0002] Headphones are headphones worn on the head, usually covering or surrounding the ears. They can provide better sound isolation and sound quality. Compared with earbuds, headphones are usually more comfortable, especially when worn for a long time. The sliding arm of the headset is the main part connecting the hinges on both sides. It is generally made of metal components with a soft cushioning layer / injection molding layer on the outside. The sliding arm needs to meet the requirements of lightness and sufficient elasticity when designed. Traditionally, empirical design and repeated debugging are used to design the sliding arm, which has low design efficiency. However, the current electronic equipment is updated and iterated quickly, and the traditional method cannot meet actual needs. For this reason, the present invention provides an optimization design method for a sliding arm and a sliding arm. Summary of the invention

[0003] In view of the shortcomings of the prior art, the present invention provides an optimization design method for a sliding arm and a sliding arm, which solves the problem that the traditional way of designing the sliding arm by using experience design and repeated debugging has low design efficiency, and the current electronic equipment is updated and iterated quickly, and the traditional method cannot meet actual needs.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0005] A method for optimizing the design of a sliding arm, the sliding arm comprising:

[0006] A metal arc-shaped main body component, wherein an arched portion is arranged at the central axis of the metal arc-shaped main body component, and a plurality of inclined holes are opened on the metal arc-shaped main body component and on both sides of the arched portion;

[0007] The design method includes the following steps:

[0008] S1. Establish a three-dimensional model of the sliding arm;

[0009] S2, opening an inclined hole and adjusting the density value P of the inclined hole. Under the condition of satisfying the following formula ①, the density value P0 of the inclined hole is recorded;

[0010] V1<V<V2①;

[0011] In formula ①, V represents the volume of the three-dimensional model of the sliding arm during the process of adjusting the density value P of the inclined hole, V1 is the volume of the test component one that meets the minimum width of the collective test experiment, and V2 is the total volume of the test component two that meets the minimum number of test components in the distributed test experiment.

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

[0013] S2a, making a plurality of test components with decreasing / increasing widths;

[0014] The length of the test component 1 when flattened is consistent with the length of the sliding arm when flattened, and the thickness of the test component 1 is consistent with the thickness of the sliding arm;

[0015] S2b, test experiment, use a telescopic piece with a pressure feedback sensor to push the two ends of the test component 1 apart by a distance L, and record the volume V1 of the test component 1 that meets the elastic force requirements and has the smallest width.

[0016] Preferably, the dispersion test experiment includes:

[0017] S21, making a plurality of test components 2 with the same width;

[0018] The length of the second test component when flattened is consistent with the length of the sliding arm when flattened, and the thickness of the second test component is consistent with the thickness of the sliding arm;

[0019] S22. Test experiment: use a telescopic piece with a pressure feedback sensor to push open the two ends of several test components 2 that are distributed in parallel by a distance L, and record the volume V2 of a group of test components 2 that meets the elastic force requirements and has the least number.

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

[0021] Sliding openings are provided on the surface of the metal arc-shaped main body component and at positions close to 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 portion is arranged at the central axis of the metal arc-shaped main body component, a plurality of inclined holes are opened on the metal arc-shaped main body component and on both sides of the arched portion, and sliding openings are opened on the surface of the metal arc-shaped main body component and near both ends of the metal arc-shaped main body component;

[0024] A sliding arm, wherein two groups of sliding arms are provided, and the two groups of sliding arms are distributed at both ends of the metal arc-shaped main body component, and a notch portion is provided on the inner side of the sliding arm, and the notch portion corresponds to the arch portion, and a rectangular opening is provided on the inner side of the sliding arm, and a roll portion is fixedly connected to the inner side of the rectangular opening, and the roll portion is slidably provided on the inner side of the sliding opening;

[0025] A horizontal axis is rotatably mounted on the inner side of the winding strip portion, and a rolling body is rotatably mounted on the outer side of the horizontal axis and located on the inner side of the arch portion.

[0026] Preferably, the metal arc-shaped main body component is a structure that is wide in the middle and narrow at both ends.

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

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

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

[0030] Preferably, each of the sliding arms is provided with two groups of coiling strips, and the rolling body is located between the two groups of coiling strips on the same sliding arm.

[0031] The present invention provides a sliding arm optimization design method and a sliding arm, which have the following beneficial effects:

[0032] 1. The present invention designs a sliding arm structure, which includes a metal arc-shaped main component, an arch portion is arranged at the central axis of the metal arc-shaped main component, and a plurality of inclined holes are opened on the metal arc-shaped main component and on both sides of the arch portion. The elasticity of the metal arc-shaped main component is adjusted by relying on the plurality of inclined holes, and an optimization design method for the sliding arm is designed, specifically, the density value P of the inclined holes is adjusted, and the density value P0 of the inclined holes is recorded under the condition that the formula V1<V<V2 is satisfied, wherein V represents the volume of the three-dimensional model of the sliding arm during the process of adjusting the density value P of the inclined holes, V1 is the volume of the test component one that meets the minimum width of the collective test experiment, and V2 is the total volume of the test component two that meets the minimum number of the dispersed test experiment. According to this optimization design method, a sliding arm that meets the requirements can be quickly obtained. Compared with the traditional design method of sliding arms designed by experience and repeated debugging, the present invention can greatly improve the design efficiency, reduce the number of test experiments, and meet the current update and iteration speed of electronic equipment.

[0033] 2. The present invention designs a specific sliding structure of a sliding arm and a metal arc-shaped main component. Specifically, a sliding opening is opened on the metal arc-shaped main component, and a coil portion corresponding to the sliding opening is fixedly connected to the inner side of the sliding arm. The coil portion slides on the inner side of the sliding opening, and a transverse axis is designed to limit the coil portion to prevent the coil portion from escaping from the sliding opening. A rolling body is also installed on the transverse axis. The rolling body slides on the inner side of the arched portion on the metal arc-shaped main component. The sliding structures cooperate with each other to ensure that the sliding arm and the metal arc-shaped main component slide smoothly, especially after the sliding arm slides out, the structure still has high stability.

[0034] 3. The present invention opens a positioning hole at the end of the metal arc-shaped main component, and the inner side of the sliding arm is fixedly connected to an "X"-shaped limiting piece corresponding to the positioning hole. When the sliding arm is close to a fully retracted state, the "X"-shaped limiting piece can be stuck in the positioning hole, so as to keep the sliding arm and the metal arc-shaped main component relatively stable, avoid the sliding arm from sliding freely during carrying, and provide a better user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a three-dimensional schematic diagram of a metal arc-shaped main component of a sliding arm proposed by the present invention;

[0036] Figure 2 This is a first-view stereoscopic schematic diagram of a sliding arm proposed by the present invention;

[0037] Figure 3 A second perspective perspective diagram of a sliding arm proposed by the present invention;

[0038] Figure 4 A three-dimensional schematic diagram of a sliding arm of a sliding arm proposed by the present invention;

[0039] Figure 5 for Figure 3 A partial enlarged view of point A in the middle.

[0040] Among them, 1. Metal arc-shaped main component; 2. Arched part; 3. Sliding opening; 4. Oblique hole; 5. Positioning opening; 6. Sliding small arm; 7. Notch part; 8. Rectangular opening; 9. Rolling strip part; 10. T-shaped head; 11. X-shaped limiter; 12. Horizontal axis; 13. Rolling body. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] Embodiment 1:

[0043] like Figure 1As shown, an embodiment of the present invention provides an optimization design method for a sliding arm, and the sliding arm obtained by the design includes: a metal arc-shaped main component 1, which is the main structure of the sliding arm. The optimization design method also optimizes the design of the metal arc-shaped main component 1. Specifically, an arch portion 2 is provided at the central axis of the metal arc-shaped main component 1, and a plurality of inclined holes 4 are provided on the metal arc-shaped main component 1 and on both sides of the arch portion 2. The function of the inclined holes 4 is to adjust the elastic force of the metal arc-shaped main component so that it meets the elasticity requirements when worn, and the opening of the inclined holes 4 can reduce the weight of the metal arc-shaped main component 1, thereby achieving the purpose of lightweight.

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

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

[0046] S2, opening the inclined holes 4, and adjusting the density value P of the inclined holes 4 (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 recording the density value P0 of the inclined holes 4 under the condition of satisfying the following formula ①;

[0047] V1<V<V2①;

[0048] In formula ①, V represents the volume of the three-dimensional model of the sliding arm during the process of adjusting the density value P of the inclined hole 4, V1 is the volume of the test component one that meets the minimum width of the collective test experiment, and V2 is the total volume of the test component two that meets the minimum number of test components in the distributed test experiment.

[0049] V1 is the volume of the test component one that meets the minimum width of the collective test experiment. The data is obtained from the collective test experiment, which indicates the material used when the elasticity requirements can be met in the overall form. 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 is the total volume of the test component two that meets the minimum number of test components in the dispersed test experiment. The data is obtained from the dispersed test experiment, which indicates the material used when the elasticity requirements can be met in the form of multiple non-interacting test components two. Since the metal arc-shaped main component 1 designed in the actual scheme is a porous structure, there are connections between the various parts, so the volume of the metal arc-shaped main component 1 designed in the actual scheme should be less than V2.

[0050] A sliding arm structure is designed, which includes a metal arc-shaped main component 1, an arched portion 2 is arranged at the central axis of the metal arc-shaped main component 1, and a plurality of inclined holes 4 are opened on the metal arc-shaped main component 1 and on both sides of the arched portion 2. The elasticity of the metal arc-shaped main component 1 is adjusted by relying on the plurality of inclined holes 4, and an optimization design method for the sliding arm is designed, specifically, the density value P of the inclined holes is adjusted, and the density value P0 of the inclined holes is recorded under the condition that the formula V1<V<V2 is satisfied, wherein V represents the volume of the three-dimensional model of the sliding arm during the process of adjusting the density value P of the inclined holes, V1 is the volume of the test component one that meets the minimum width of the collective test experiment, and V2 is the total volume of the test component two that meets the minimum number of the dispersed test experiment. According to this optimization design method, a sliding arm that meets the requirements can be quickly obtained. Compared with the traditional design method of sliding arms that adopts experience design and repeated debugging, the present invention can greatly improve the design efficiency, reduce the number of test experiments, and meet the current update and iteration speed of electronic equipment.

[0051] In one embodiment, the integrated testing experiment includes the following steps:

[0052] S2a, making a plurality of test components with decreasing / increasing widths;

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

[0054] S2b. Test experiment: use a telescopic part with a pressure feedback sensor to push the two ends of the test component one apart by a distance of L (L is a fixed value determined by measuring the width of the user's head contour), and record the volume V1 of the test component one that meets the elastic force requirement and has the smallest width; for example, test experiments are conducted on several test components one with decreasing widths. 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; conversely, test experiments are conducted on several test components one with increasing widths. When the first one meets the test elastic force requirement, the volume of the test component one used in this test is calculated as V1.

[0055] In one embodiment, the dispersion test experiment includes:

[0056] S21, making a plurality of test components 2 with the same width;

[0057] The length of the test component 2 when flattened is consistent with the length of the sliding arm when flattened, the thickness of the test component 2 is consistent with the thickness of the sliding arm, and the material of the test component 2 is consistent with the material of the metal arc-shaped main component 1;

[0058] S22. Test experiment: use a telescopic part with a pressure feedback sensor to push open the two ends of several test components 2 distributed in parallel by a distance of L (L is a fixed value determined by measuring the width of the user's head contour), and record the volume V2 of the group of test components 2 that meets the elastic force requirement and has the smallest number; for example, take a larger number of test components 2 for test experiment, and continuously reduce one test component 2 to repeat the experiment. When the next experiment cannot meet the test elastic force requirement, the volume of the test component 2 used in this test is calculated as V2; conversely, take a smaller number of test components 2 for test experiment, and continuously add one test component 2 to repeat the experiment. When the first experiment meets the test elastic force requirement, the volume of the test component 2 used in this test is calculated as V2.

[0059] In one embodiment, the metal arc-shaped main component 1 is a structure that is wide in the middle and narrow at both ends. A positioning hole 5 is opened at the end of the metal arc-shaped main component 1, and the positioning hole 5 is used to fix the sliding arm 6. Sliding holes 3 are opened on the surface of the metal arc-shaped main component 1 and near the two ends of the metal arc-shaped main component 1, and the sliding holes 3 are used to install the sliding arm 6.

[0060] Embodiment 2:

[0061] like Figure 1-Figure 5 As shown, an embodiment of the present invention provides a sliding arm, including: a metal arc-shaped main component 1, a sliding arm 6, a horizontal shaft 12 and a rolling body 13. The metal arc-shaped main component 1 and the sliding arm 6 are both made of metal plates and processed by punching and rolling processes.

[0062] An arched portion 2 is provided at the central axis of the metal arc-shaped main body component 1. The arched portion 2 is formed by stamping using a blind hole stretching process. The arched portion 2 can reduce the amount of rebound of the metal arc-shaped main body component 1 after rolling, so that it can better meet the elasticity requirements. A number of inclined holes 4 are provided on the metal arc-shaped main body component 1 and on both sides of the arched portion 2. The function of the inclined holes 4 is to adjust the elastic force of the metal arc-shaped main body component. 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 component 1. Sliding openings 3 are provided on the surface of the metal arc-shaped main body component 1 and near the two ends of the metal arc-shaped main body component 1. Two groups of sliding arms 6 are provided. The two groups of sliding arms 6 are distributed at the two ends of the metal arc-shaped main body component 1. A notch portion 7 is provided on the inner side of the sliding arm 6. The notch portion 7 corresponds to the arched portion 2, which can form a set of sliding matching. The combined structure, a rectangular opening 8 is opened on the inner side of the sliding arm 6, and a coiling strip portion 9 is fixedly connected to the inner side of the rectangular opening 8. The coiling strip portion 9 is slidably arranged on the inner side of the sliding opening 3. The sliding structure formed by the coiling strip portion 9 and the sliding opening 3 is the main sliding matching structure, which is used to meet the sliding requirements of the sliding arm 6. The transverse axis 12 is rotatably installed on the inner side of the coiling strip portion 9, and a rolling body 13 is rotatably installed on the outer side of the transverse axis 12 and located on the inner side of the arched portion 2. The transverse axis 12 limits the coiling strip portion 9 to prevent the coiling strip portion 9 from detaching from the sliding opening 3. A rolling body 13 is also installed on the transverse axis 12. The rolling body 13 is located on the inner side of the arched portion on the metal arc-shaped main component 1 and slides. The sliding structures cooperate with each other to ensure the smooth sliding of the sliding arm 6 and the metal arc-shaped main component 1, especially after the sliding arm 6 slides out, its structure still has high stability.

[0063] In one embodiment, the metal arc-shaped main body component 1 is a structure that is wide in the middle and narrow at both ends. The elastic force on the metal arc-shaped main body component 1 is mainly provided by the middle part. Therefore, the structure that is wide in the middle and narrow at both ends is more reasonable and meets the demand of reducing the weight of the metal arc-shaped main body component 1.

[0064] In one embodiment, a positioning hole 5 is opened at the end of the metal arc-shaped main component 1, and the inner side of the sliding arm 6 is fixedly connected with an X-shaped limiter 11 corresponding to the positioning hole 5. When the sliding arm 6 is close to a fully retracted state, the X-shaped limiter 11 can be stuck in the positioning hole 5, keeping the sliding arm 6 and the metal arc-shaped main component 1 relatively stable, avoiding the sliding arm 6 from sliding freely during carrying, and providing a better user experience.

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

[0066] In one embodiment, the oblique holes 4 on both sides of the arched portion 2 of the metal arc-shaped main component 1 are symmetrically distributed in an "eight" shape, so that the distribution of the oblique holes 4 is more reasonable and the overall appearance is beautiful and generous.

[0067] In one embodiment, two groups of winding strips 9 are provided on each sliding arm 6, and the two groups of winding strips 9 can more stably limit the horizontal axis 12. The rolling body 13 is located between the two groups of winding strips 9 on the same sliding arm 6, and the lateral movement of the horizontal axis 12 can be further limited by the rolling body 13.

[0068] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A method for optimizing the design of a sliding arm, characterized in that: The sliding arm comprises: A metal arc-shaped main component (1), wherein an arched portion (2) is provided at the center axis of the metal arc-shaped main component (1), and a plurality of inclined holes (4) are provided on the metal arc-shaped main component (1) and on both sides of the arched portion (2); The design method includes the following steps: S1. Establish a three-dimensional model of the sliding arm; S2, opening an inclined hole (4), and adjusting the density value P of the inclined hole (4), and recording the density value P0 of the inclined hole (4) under the condition of satisfying the following formula ①; V1<V<V2①; In formula ①, V represents the volume of the three-dimensional model of the sliding arm during the process of adjusting the density value P of the inclined hole (4), V1 is the volume of the test component one that meets the minimum width of the collective test experiment, and V2 is the total volume of the test component two that meets the minimum number of test components in the distributed test experiment.

2. The optimization design method of a sliding arm according to claim 1, characterized in that: The set test experiment includes the following steps: S2a, making a plurality of test components with decreasing / increasing widths; The length of the test component 1 when flattened is consistent with the length of the sliding arm when flattened, and the thickness of the test component 1 is consistent with the thickness of the sliding arm; S2b, test experiment, use a telescopic piece with a pressure feedback sensor to push the two ends of the test component 1 apart by a distance L, and record the volume V1 of the test component 1 that meets the elastic force requirements and has the smallest width.

3. The optimization design method of a sliding arm according to claim 1, characterized in that: The dispersion test experiment includes: S21, making a plurality of test components 2 with the same width; The length of the second test component when flattened is consistent with the length of the sliding arm when flattened, and the thickness of the second test component is consistent with the thickness of the sliding arm; S22. Test experiment: use a telescopic piece with a pressure feedback sensor to push open the two ends of several test components 2 that are distributed in parallel by a distance L, and record the volume V2 of a group of test components 2 that meets the elastic force requirements and has the least number.

4. The optimization design method of a sliding arm according to claim 1, characterized in that: The metal arc-shaped main body component (1) is a structure that is wide in the middle and narrow at both ends, and a positioning opening (5) is provided at the end of the metal arc-shaped main body component (1); Sliding openings (3) are provided on the surface of the metal arc-shaped main body component (1) and at positions close to both ends of the metal arc-shaped main body component (1).

5. A sliding arm, characterized in that: include: A metal arc-shaped main component (1), wherein an arched portion (2) is provided at the center axis of the metal arc-shaped main component (1), a plurality of inclined holes (4) are provided on the metal arc-shaped main component (1) and on both sides of the arched portion (2), and sliding openings (3) are provided on the surface of the metal arc-shaped main component (1) and near both ends of the metal arc-shaped main component (1); A sliding arm (6), wherein two groups of the sliding arms (6) are provided, and the two groups of the sliding arms (6) are distributed at both ends of the metal arc-shaped main body component (1); a notch portion (7) is provided on the inner side of the sliding arm (6), and the notch portion (7) corresponds to the arch portion (2); a rectangular opening (8) is provided on the inner side of the sliding arm (6), and a roll portion (9) is fixedly connected to the inner side of the rectangular opening (8), and the roll portion (9) is slidably provided on the inner side of the sliding opening (3); A transverse shaft (12) is rotatably mounted on the inner side of the coiling strip portion (9), and a rolling body (13) is rotatably mounted on the outer side of the transverse shaft (12) and located on the inner side of the arched portion (2).

6. A sliding arm according to claim 5, characterized in that: The metal arc-shaped main body component (1) is a structure that is wide in the middle and narrow at both ends.

7. A sliding arm according to claim 5, characterized in that: A positioning opening (5) is provided at the end of the metal arc-shaped main body component (1), and an X-shaped limiting piece (11) corresponding to the positioning opening (5) is fixedly connected to the inner side of the sliding arm (6).

8. The sliding arm according to claim 5, characterized in that: The end of the sliding arm (6) is fixedly connected with a T-shaped head (10).

9. The sliding arm according to claim 5, characterized in that: The inclined holes (4) on the metal arc-shaped main component (1) and located on both sides of the arched portion (2) are symmetrically distributed in an "eight" shape.

10. The sliding arm according to claim 5, characterized in that: Each of the sliding arms (6) is provided with two groups of coiling strips (9), and the rolling body (13) is located between the two groups of coiling strips (9) on the same sliding arm (6).

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