CN215912200U - Earphone and earphone cap - Google Patents

Abstract

The application provides an earphone and an earphone cap; the earphone cap comprises an inner ear cap and an outer ear cap which are of an integrated structure; the outer ear cap is connected with the periphery of the first end of the inner ear cap and extends towards the second end of the inner ear cap, the second end of the inner ear cap is used for being connected with a sound outlet mouth of the earphone shell, and a sound outlet hole is formed at the first end of the inner ear cap; the length range of the outer ear cap is 0.7-1.5 cm; wherein, the length of the outer ear cap is the distance between one end of the outer ear cap connected with the first end of the inner ear cap and one end close to the second end of the inner ear cap. According to the earphone and the earphone cap structure provided by the embodiment of the application, by reducing the design of the outer ear cap, when the ear cap is inserted into the auditory canal, the wall edge of the outer ear cap is difficult to directly contact with the earphone shell, so that collision friction noise is reduced, meanwhile, the skirt edge is better in fitting performance with the auditory canal, and the wearing comfort is improved; in addition, the wall edge of the outer ear cap can be prevented from blocking the sound adjusting hole, and the acoustic effect of the earphone is further improved.

Description

Earphone and earphone cap

Technical Field

The utility model relates to the technical field of earphone cap structures, in particular to an earphone and an earphone cap.

Background

With the disappearance of electronic equipment such as consumer mobile phones and the like in the appearance of an earphone hole, the TWS wireless Bluetooth earphone becomes a dominant force in the earphone field. For the in-ear earphone with the earcap, due to the fact that the use scene is very complex in practice, the sensitivity of a user to sound is different, friction noise of the earcap can be heard under the quiet condition of the user, the earcap can roll back in the ear canal, and other sounds can be brought to bad experience. Generally, frictional noise may be generated when the skirt of the earcap is in contact with and collides with the shell, and the retraction is generally accompanied by poor acoustic noise reduction effect because the skirt and the ear canal have poor adaptability and a gap is reserved, and the elastic body slowly recovers after being pressed and exits from the ear canal. On the other hand, in general, a tuning hole is formed near the earcap handle, and after the earcap is inserted into the ear canal, the tuning hole is easily covered by the earcap after deformation, so that the tuning hole cannot be in good contact with air, the acoustic effect is affected, and defects such as squeaking and noise occur.

SUMMERY OF THE UTILITY MODEL

A first aspect of embodiments of the present application provides an earphone cap, which includes an inner ear cap and an outer ear cap of an integral structure;

the outer ear cap is connected with the periphery of the first end of the inner ear cap and extends towards the second end of the inner ear cap, the second end of the inner ear cap is used for being connected with a sound outlet mouth of the earphone shell, and a sound outlet hole is formed at the first end of the inner ear cap;

the length range of the outer ear cap is 0.7-1.5 cm; wherein, the length of the outer ear cap is the distance between one end of the outer ear cap connected with the first end of the inner ear cap and one end close to the second end of the inner ear cap.

In a second aspect, an embodiment of the present application provides an earphone, which includes an earphone shell and the earphone cap of any one of the above embodiments; the earphone shell is provided with a sound adjusting hole, and a gap is formed between the sound adjusting hole and the outer ear cap.

According to the earphone and the earphone cap structure provided by the embodiment of the application, by reducing the design of the outer ear cap (namely the skirt edge of the ear cap) (the length of the outer ear cap is generally more than 1.6cm in the conventional technology), when the ear cap is inserted into an ear canal, the wall edge of the outer ear cap is difficult to directly contact with an earphone shell, so that collision friction noise is reduced, meanwhile, the skirt edge is better in fitting performance with the ear canal, and the wearing comfort is improved; in addition, the wall edge of the outer ear cap can be prevented from blocking the sound adjusting hole, and the acoustic effect of the earphone is further improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of a portion of an embodiment of a headset according to the present application;

fig. 2 is a schematic diagram of a disassembled structure of the earphone in the embodiment of fig. 1;

FIG. 3 is a schematic diagram of a partial structure of the earphone in the embodiment of FIG. 1;

FIG. 4 is a schematic cross-sectional view of the structure at A-A in FIG. 3;

FIG. 5 is a schematic view of an embodiment of an ear cap according to the present application;

fig. 6 is a schematic view of the earphone cap of fig. 5 from another perspective;

FIG. 7 is a schematic structural diagram of another embodiment of the earcap of the present application;

fig. 8 is a schematic structural diagram of another view angle of the earphone cap in the embodiment of fig. 7.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only illustrative of the present invention, and do not limit the scope of the present invention. Likewise, the following examples are only some but not all examples of the present invention, and all other examples obtained by those skilled in the art without any inventive step are within the scope of the present invention.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

As used herein, an "electronic device" (or simply "terminal") includes, but is not limited to, an apparatus that is configured to receive/transmit communication signals via a wireline connection, such as via a Public Switched Telephone Network (PSTN), a Digital Subscriber Line (DSL), a digital cable, a direct cable connection, and/or another data connection/network, and/or via a wireless interface (e.g., for a cellular network, a Wireless Local Area Network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal). A communication terminal arranged to communicate over a wireless interface may be referred to as a "wireless communication terminal", "wireless terminal" or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; a Personal Communications System (PCS) terminal that may combine a cellular radiotelephone with data processing, facsimile and data communications capabilities; PDAs that may include radiotelephones, pagers, internet/intranet access, Web browsers, notepads, calendars, and/or Global Positioning System (GPS) receivers; and conventional laptop and/or palmtop receivers or other electronic devices that include a radiotelephone transceiver. A cellular phone is an electronic device equipped with a cellular communication module.

Referring to fig. 1 and fig. 2 together, fig. 1 is a schematic partial structure diagram of an embodiment of an earphone according to the present application, and fig. 2 is a schematic disassembled structure diagram of the earphone in the embodiment of fig. 1; the earphone can be matched with electronic equipment for use, and the communication mode can be a Bluetooth, NFC, WIFI or other wireless communication mode; the electronic equipment can comprise mobile phones, tablet computers, notebook computers, wearable equipment and other equipment which have a communication mode corresponding to the earphone and can transmit data; the embodiments of the present application take a bluetooth wireless headset as an example for analysis and description. The headset 10 in the present embodiment includes, but is not limited to, the following components: earphone housing 100, earphone cap 200, control circuit board 300, speaker 400, and battery 500. It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the embodiments of the present application, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or may alternatively include other steps or elements inherent to such process, method, article, or apparatus.

Specifically, the earphone housing 100 in this embodiment may include a front housing 110 and a rear housing 120. Of course, in some other embodiments, the earphone housing 100 may also be of other structures, such as an integral structure, etc., which is not limited herein. The front shell 110 of the earphone shell 100 is provided with a sound outlet 111, and the earphone cap 200 is connected to the sound outlet 111. The front case 110 and the rear case 120 of the earphone case 100 together enclose a receiving space, and the control circuit board 300, the speaker 400, the battery 500, and the like are disposed in the receiving space. The speaker 400 and the battery 500 may be electrically connected to the control circuit board 300, and the control circuit board 300 is used for controlling the working states of the speaker 400 and the battery 500.

Referring to fig. 3 and 4 together, fig. 3 is a partial structure schematic diagram of the earphone in the embodiment of fig. 1, and fig. 4 is a cross-sectional view of the structure at a-a in fig. 3. The earphone is promoted in the aspect of the acoustics of wearing the process, mainly from the design angle of acoustics cavity, set up middle part tuning cavity 101 promptly, form a small volume cavity at the periphery of speaker 400 to through the air damping of adjustment tuning hole 112, very effectual different frequency channel sound is strengthened or weak adjustment.

Referring to fig. 5 and fig. 6 together, fig. 5 is a schematic structural diagram of an embodiment of an ear cap of the present application, and fig. 6 is a schematic structural diagram of another view angle of the ear cap in fig. 5. The earphone cap 200 includes an inner ear cap 210 and an outer ear cap 220 of an integrated structure; the outer ear cap 220, that is, the ear cap skirt, is connected to the circumference of the first end of the inner ear cap 210, and extends toward the second end of the inner ear cap 210, the second end of the inner ear cap 210 is used for being connected to the sound outlet 111 of the earphone housing 100, and the first end of the inner ear cap 210 forms a sound outlet 211. Alternatively, the material of the earphone cap 200 may be rubber.

The wearing comfort of human ears is influenced by many aspects, and the acoustic effect is only one of the aspects, for the above-described scheme, the way of forming the acoustic cavity 201 by arranging the groove (the area formed between the inner ear cap 210 and the outer ear cap 220) at the top of the earphone cap can be improved to some extent in terms of the acoustic effect, but the earphone cap 200 has a smaller size, the wall thickness of the outer ear cap 220 is smaller than the processability deviation of the acoustic cavity 201 at the top, the groove depth, the groove pitch and the like are smaller, the disadvantage in uniformity control is shown, and in a complicated use scene, the possibility that the ear canal and the ear wall of a user contact the groove in a friction mode is not excluded, so that the wearing discomfort is caused; the material modification of the silica gel material body of the earphone cap 200, such as a non-allergic layer, a hollow structure and the like, also has the problems of difficulty and consistency in molding and processing. Therefore, many patents focus on adjusting and controlling acoustics from an acoustic cavity structure, devices such as a microphone and a loudspeaker stack, and the sounding of the acoustics needs to be transmitted out through the earphone cap 200, so that the earphone cap 200 can be conveniently and quickly adjusted and verified without increasing the cost by improving the design, but the size of the earphone cap 200 limits the design of a complex structure, otherwise, the processing and consistency are worse. Therefore, a method is needed, the ear cap is designed, acoustic and wearing comfort requirements are guaranteed, and the ear cap is easy to realize and produce in mass.

In view of this, the length of the outer ear cap 220 in this embodiment ranges from 0.7 cm to 1.5 cm; the length of the outer ear cap 220 is the distance from the end of the outer ear cap 220 connected to the first end of the inner ear cap 210 to the end near the second end of the inner ear cap 210, i.e. the distance between the points X and Y in fig. 4. The size is shorter compared with the length of the outer ear cap in the conventional art (the length of the outer ear cap in the conventional art is generally more than 1.6 cm). Also reduce the shirt rim (outer ear cap) of conventional earphone cap by 0.1-0.8mm height, because the shirt rim height reduces when going into the ear, have bigger space behind the contact ear canal skin to take place to warp and the action of pasting the ear, so the laminating nature is better, and does not contact earphone shell 100 (the preceding shell 110 in this embodiment) at this in-process, has avoided producing the noise after contacting the earphone shell, thereby produces annex oppression power etc. to the ear canal of production of resilience force. When the height of the skirt is reduced too small, the risk that the outer ear cap 220 contacts the front shell 110 to generate abnormal sound is increased, the actual experience effect is poor, and when the height of the skirt is reduced too large, the gravity center of the outer ear cap 220 can be moved forward to the top of the earphone cap 200, so that the structure is unstable, the outward turning is easy to generate, and the sealing performance is poor. Optionally, the length of the external ear cap 220 in the embodiment of the present application may be in the range of 0.8-1.4cm, and within this range, the external ear cap 220 may be prevented from contacting the front shell 110, and abnormal sound is avoided; the gravity center of the outer earcap 220 can be prevented from moving forward to the top of the earphone cap 200, so that the problems of unstable structure, easy eversion and poor sealing performance are avoided.

Normally, the diameter of the auditory canal can accommodate an index finger, which is about 12-15mm, after subtracting the diameter of the earphone head (namely the inner earcap 210) from 6-8mm, a gap of 3-4 mm is arranged on one side, and then the wall thickness of the outer earcap 220 is subtracted from about 0.6mm, so that the maximum gap h between the inner earcap 210 and the outer earcap 220 is 2.4-3.4mm, if the size of the gap h is continuously increased, the interference between the skin of the auditory canal and the elastomer is increased, and the discomfort is increased; however, if h is less than 0, the inner wall of the outer ear cap 220 collides with the front shell 110 and cyclically collides with the front shell by the movement, which causes frictional noise, and is disadvantageous to the sound exchange of the tuning hole 112 without any gap. When generally wearing the earphone, external ear cap 220 contacts the ear canal area and occupies 40% -60% of the whole, and is unstable for short, can produce discomfort because of the leakproofness is too strong for the overlength, and conventional technique is generally 70% -90%, and technical scheme in the embodiment of this application reduces the length through external ear cap 220 to be 0.8-1.4cm for the regional suitable amount that contacts the ear canal reduces to 40% -60%, under the condition of not having the influence wearability, can solve abnormal sound and the unstable problem of structure.

According to the earphone provided by the embodiment, the earphone cap structure reduces the design of the outer ear cap (namely the skirt edge of the ear cap) (the length of the outer ear cap is generally more than 1.6cm in the conventional technology), so that when the ear cap is inserted into an ear canal, the wall edge of the outer ear cap is difficult to directly contact with an earphone shell, collision friction noise is reduced, meanwhile, the skirt edge is better in fit with the ear canal, and the wearing comfort is improved; in addition, the wall edge of the outer ear cap can be prevented from blocking the sound adjusting hole, and the acoustic effect of the earphone is further improved.

Further, referring to fig. 4 to fig. 6, the inner sidewall of the external ear cap 220 in the present embodiment is provided with a plurality of first supporting protrusions 230, and the plurality of first supporting protrusions 230 may be uniformly and symmetrically arranged along the circumference of the inner sidewall of the external ear cap 220.

Alternatively, the first supporting protrusion 230 may be an elongated reinforcing rib, and the long axis direction is along the umbrella-shaped arc direction of the outer ear cap 220, i.e. along the inner ear cap edge toward the first end of the inner ear cap. The first support protrusion 230 is higher near the skirt (the hanging end of the outer ear cap 220, i.e., the rim of the outer ear cap 220) and gradually lower in height toward the top of the outer ear cap 220. This kind of design structure, after outer ear cap 220 receives the ear canal extrusion, take place to warp, under the condition of the design of first support arch 230 of nothing, it is irregular that outer ear cap 220 warp easily to appear, it feels good but block up the accent hole 112 easily to paste the ear, the effect that leads to the sound is experienced to be worsened, earphone cap structural design in this embodiment, when earphone cap 200 injects the ear and warp, it is outer ear cap 220 not at first to contact the preceding shell 110 of earphone shell (of), but the first support arch 230 of many evenly distributed, first support arch 230 also is the flexible glue material, including but not limited to any one in silica gel, TPU, polyurethane, aquogel, the sponge. The first supporting protrusion 230 is deformed and rebounded after being pressed, so that the outer ear cap 220 is prevented from completely clinging to the earphone shell and leaving the corresponding gap 102, the sound of the sound adjusting hole 112 can be exchanged through the gap 102, and the acoustic effect is improved under the condition of ensuring the wearing and the clinging. It is noted that in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically defined otherwise. All directional indications (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

In the earphone cap structure of the present embodiment, the first supporting protrusion 230 is located on the inner wall of the outer ear cap 220, and the function of the outer ear cap 220 that does not block the tuning hole 112 is better. Because the protruding gas leakage of making an uproar falls passively can be caused to the arch of first support arch 230, and outer ear cap 220 is direct and skin contact, and the protruding roughness that can increase reduces and wears the travelling comfort, so this statement's strengthening rib arch is located the earcap inner wall. The reinforcing rib material comprises but is not limited to TPU, polyurethane, sponge, silica gel and other soft rubbers, the hardness range of the reinforcing rib material is 10-90 Shore A, specifically 20-40 Shore A, the rebound of the silica gel with too small hardness can be weakened, the sealing performance of the outer ear cap 220 and the skin is not facilitated, and the risk of blocking the sound adjusting hole 112 is easily increased. The too high hardness can produce crisp friction abnormal sound because of the hard contact with the earphone shell, simultaneously its resilience force is too big, can pass through outer ear cap 220 of silica gel material with the power to the duct skin, make the user feel the auricle, prop the ear sense, so its hardness should be close to outer ear cap 220 silica gel hardness, if the material is like with silica gel, then the one shot forming of accessible mould flexible glue forms, if be other materials, can be for through bijection with soft silica gel outer ear cap 220 with this material shaping earlier, put into mould and hard silica gel (interior ear cap 210) post forming again, regarding this part detailed structural feature, in the understanding scope of technical staff in the art, also will not be repeated here again.

In addition, the shapes of the first supporting protrusions 230 include, but are not limited to, patterns of a truncated cone, a trapezoid, a triangle, a rectangle, a diamond, an ellipse, etc. with slowly changing heights, the first supporting protrusions are arranged symmetrically, the number of the first supporting protrusions can be 3-50, the supporting effect is too poor when the number of the first supporting protrusions is too small, and the arrangement is more compact due to the fact that the sizes of the reinforcing ribs need to be reduced when the number of the first supporting protrusions is too large, so that the manufacturability of the reinforcing structure is reduced.

Alternatively, referring to fig. 7 and 8 together, fig. 7 is a schematic structural diagram of another embodiment of the earphone cap of the present application, fig. 8 is a schematic structural diagram of another view angle of the earphone cap of the embodiment of fig. 7, and the earphone cap 200 of the present embodiment also includes an inner ear cap 210 and an outer ear cap 220 which are integrally formed; outer ear cap 220 with the surrounding of interior ear cap 210 first end is connected, and the orientation the second end of interior ear cap 210 extends, the second end of interior ear cap 210 is used for being connected with the play sound mouth 111 of earphone shell 100, and the material of earphone cap 200 can be rubber.

Wherein, the inside wall of outer ear cap 220 is equipped with a plurality of first support protrusions 230, and a plurality of first support protrusions 230 can be along the even symmetry setting of inside wall border ring circumference of outer ear cap 220. For the material and the detailed structural features of the first supporting protrusion 230, refer to the related description of the previous embodiments, and are not repeated here. Unlike the previous embodiments, the inner ear cap 210 in this embodiment is provided with a plurality of second supporting protrusions 240 near the sidewall of the outer ear cap 220. In the earphone cap structure of this embodiment, similar reinforcing structures can be made at the same time through the inner ear cap 210 (i.e. the hard rubber part), so that when the outer ear cap 220 deforms in the ear canal, the first supporting protrusion 230 and the second supporting protrusion 240 are dislocated and interfere with each other, the tuning hole 112 is kept in an unblocked state, and the spatial dimension of the acoustic cavity 201 is kept, thereby ensuring the acoustic effect.

Alternatively, the second supporting protrusion 240 may be formed by injection molding and may be similar to the first supporting protrusion 230, such as silicone, TPU, polyurethane, hydrogel, sponge, etc. It should be noted that the terms "first", "second" and "third" in the embodiments of the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature.

The earphone structure that this application embodiment provided, its earphone cap is through the design to shirt rim (outer ear cap) structure for when earphone cap inserts the duct, its outer ear cap is along difficult direct contact earphone shell, so collision friction noise reduces, and shirt rim and duct laminating nature are better simultaneously, wear the travelling comfort and improve. Through the structural design of the reinforcing rib (the first support is protruding) on external ear cap inside wall edge, can be when the earphone cap inserts the duct, the reinforcing rib takes lead to contact the earphone shell, produces the resilience of flexible glue and warp and leaves the clearance in the accent hole region, improves the acoustic effect. This scheme design is simple, and the size is great, and convenient processing, the cost has the advantage, can verify fast leading-in, and the experience is worn in whole improvement.

In this case, the wearing experience is improved by the design that the reinforcing ribs are arranged on the ear cap wall (outer ear cap), the ear cap hard rubber wall (inner ear cap) or both, and the height of the skirt edge is adjusted at the same time, and other similar structural forms are considered as derivatives of the utility model and are also within the protection scope of the utility model. The key point of the technical scheme is that the rebound resilience of the soft rubber is utilized to avoid the sound adjusting hole area, so that the tone quality is improved, and abnormal sound caused by direct contact with the hard shell is reduced. And the thickness of the local skirt edge reinforced by the reinforcing ribs is increased, the apparent hardness is improved, so that the material hardness of other parts of the silica gel is reduced under the same degree, the requirement on comfort can be met, and the design of the earphone cap with lower hardness (the Shore hardness is lower than 30 degrees, and the skin-friendly performance is better) and better acoustics is expected to be made.

The above description is only a part of the embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes performed by the present invention through the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (12)

1. An earphone cap, characterized in that the earphone cap comprises an inner ear cap and an outer ear cap which are of an integrated structure;

the outer ear cap is connected with the periphery of the first end of the inner ear cap and extends towards the second end of the inner ear cap, the second end of the inner ear cap is used for being connected with a sound outlet mouth of the earphone shell, and a sound outlet hole is formed at the first end of the inner ear cap;

the length range of the outer ear cap is 0.7-1.5 cm; wherein, the length of the outer ear cap is the distance between one end of the outer ear cap connected with the first end of the inner ear cap and one end close to the second end of the inner ear cap.

2. The earcap of claim 1 wherein the length of the outer earcap is in the range of 0.8-1.4 cm.

3. The earphone cap of claim 1, wherein the earphone cap is made of rubber.

4. The earphone cap of claim 1 wherein the inner sidewall of the outer ear cap is provided with a plurality of first support protrusions.

5. The earcap of claim 4 wherein the first support protrusion extends along the inner earcap rim towards the first end of the inner earcap and has a decreasing height.

6. The earphone cap of claim 4, wherein the first supporting protrusion is made of any one material selected from the group consisting of silicone, TPU, polyurethane, hydrogel and sponge.

7. The earphone cap of claim 4, wherein the material of the first supporting protrusion has a hardness ranging from 10 to 90 Shore A.

8. The earphone cap of claim 7, wherein the material of the first supporting protrusion has a hardness ranging from 20 to 40 shore a.

9. The earcap of claim 4 wherein the first support protrusions are uniformly and symmetrically disposed around the inner sidewall edge of the outer earcap.

10. An earphone cap as claimed in claim 4, characterized in that the inner ear cap is provided with a plurality of second support protrusions near the side wall of the outer ear cap.

11. The earphone cap of claim 10 wherein the second support protrusion and the first support protrusion are offset.

12. A headset, characterized in that the headset comprises a headset housing and a headset cap according to any of claims 1-11; the earphone shell is provided with a sound adjusting hole, and a gap is formed between the sound adjusting hole and the outer ear cap.

Images