Moving iron receiver convenient for diaphragm positioning

Abstract

The utility model discloses a moving iron receiver convenient for diaphragm positioning, which comprises an induction mechanism, a replacement mechanism and a sound conversion mechanism, and is characterized in that the induction mechanism comprises two permanent magnets, a balance armature suspended between the two permanent magnets, a coil wound on the outer side of the balance armature and the replacement mechanism; the replacing mechanism comprises a clamping sleeve connected with one end of the balance armature, two sealing plates movably connected with the clamping sleeve, two protruding points connected with the sealing plates, a sliding plate connected with the clamping sleeve in a sliding mode, an elastic edge connected with the sliding plate and a sound conversion mechanism. The sound conversion mechanism comprises a vibrating diaphragm connected with the bottom of the elastic edge and a plurality of springs connected with the bottom of the vibrating diaphragm. According to the utility model, when the vibrating diaphragm is replaced, a worker opens the two sealing plates and then moves out of the sliding plate along the clamping sleeve, so that the separation of the elastic edge and the clamping sleeve can be completed, then the vibrating diaphragm can be disassembled, and the disassembly mode is simple and efficient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of moving iron receiver, concretely is a moving iron receiver convenient for diaphragm positioning. BACKGROUND

[0002] The receiver is also called the earpiece, a kind of electroacoustic device that converts audio frequency electric signal into sound signal under the condition of no sound leakage (or 3.2 type high / low leakage ring according to ITU standard), is widely used in mobile phone, fixed telephone and hearing aid and other communication terminal equipment, realizes audio (voice, music) playback.

[0003] The application number CN201921141268.1 provides a moving iron receiver convenient for diaphragm positioning, including shell, balance armature coil and diaphragm body and other structures.The moving iron receiver convenient for diaphragm positioning is provided with fixed cover plate, clamping block, spring and fixed base, can be positioned by the spring between the fixed cover plate and the fixed base, and the diaphragm body can be positioned by the fixed cover plate.The application is used, the connecting block at the end of the balance armature is connected with the elastic edge to form a dismounting structure by micro bolt, although the diaphragm body can be replaced, but this traditional threaded connection mode is slow to tighten and loosen, and also needs to use special tools, so that the replacement is not convenient. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving one of the technical problems existing in prior art or related art.

[0005] Therefore, the utility model adopts the technical scheme that:

[0006] A moving iron receiver convenient for diaphragm positioning, including sensing mechanism, replacement mechanism and sound conversion mechanism, the sensing mechanism includes two permanent magnets, balance armature suspended between the two permanent magnets, coil wound on the outer side of the balance armature, replacement mechanism, the replacement mechanism includes the clamping sleeve connected with one end of the balance armature, two sealing plates movably connected with the clamping sleeve, two convex points connected with the sealing plate, the sliding plate slidably connected with the clamping sleeve, the elastic edge connected with the sliding plate, the sound conversion mechanism, the sound conversion mechanism includes the diaphragm connected with the bottom of the elastic edge, a plurality of springs connected with the bottom of the diaphragm.

[0007] By adopting the above technical scheme, when replacing the diaphragm, the staff opens two sealing plates, then removes the sliding plate along the clamping sleeve, the elastic edge and the clamping sleeve can be separated, then the diaphragm can be removed, and the dismounting mode is simple and efficient.

[0008] The utility model discloses in a preferable example can be further configured as: the balance armature outside sleeve is provided with the shell, two permanent magnets are respectively with shell inner chamber top, inner chamber bottom fixed connection, the coil both ends vertically through the permanent magnet of balance armature top, and extend to the shell outside.

[0009] The utility model discloses in a preferable example can be further configured as: two sealing plates are respectively close to the front and rear sides of the sleeve, and the sliding plate is attached between the two sealing plates.

[0010] The utility model discloses in a preferable example can be further configured as: a plurality of shallow grooves suitable for bump clamping are formed on the sleeve, and the two bumps on the sealing plate are respectively located at the top and bottom of the sealing plate.

[0011] The utility model discloses in a preferable example can be further configured as: a plurality of springs are arranged in a matrix, and the bottom end of the spring is attached to the bottom of the inner cavity of the shell.

[0012] The utility model discloses in a preferable example can be further configured as: a filter screen plate is embedded in the bottom of the shell, and the filter screen plate is located between the plurality of springs.

[0013] By adopting the above technical scheme, the utility model has the beneficial effects that:

[0014] 1. In the utility model, when replacing the diaphragm, the staff opens two sealing plates, then moves out the sliding plate along the sleeve, separates the elastic edge from the sleeve, and then the diaphragm can be detached, so that the detachment mode is simple and efficient.

[0015] 2. In the utility model, the coil is connected with the external current, then the magnetic field formed between the two permanent magnets promotes the horizontal reciprocating motion of the balance armature, and then the sleeve, the sliding plate and the elastic edge mobilize the diaphragm to emit sound, thereby completing the conversion of sound, and the quality of sound transmission is stable. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure perspective drawing of the utility model;

[0017] Figure 2 It is the sensing mechanism schematic view of the utility model;

[0018] Figure 3 It is the replacement mechanism schematic view of the utility model;

[0019] Figure 4 It is the sound conversion mechanism schematic view of the utility model.

[0020] REFERENCE SIGNS:

[0021] 100, sensing mechanism; 110, permanent magnet; 120, balance armature; 130, coil;

[0022] 200, replacement mechanism; 210, sleeve; 220, sealing plate; 230, convex point; 240, sliding plate; 250, elastic edge;

[0023] 300, sound conversion mechanism; 310, diaphragm; 320, spring;

[0024] 400, shell;

[0025] 500, filter screen plate. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below in combination with specific embodiments and in reference to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0027] It is understood that the description is only exemplary and is not intended to limit the scope of the utility model.

[0028] Some embodiments of the utility model provide a moving iron receiver facilitating diaphragm positioning, which are described below in combination with the drawings.

[0029] Embodiment one:

[0030] In combination with Figures 1-4 the drawings, the utility model provides a moving iron receiver facilitating diaphragm positioning, which comprises a sensing mechanism 100, a replacement mechanism 200 and a sound conversion mechanism 300, the sensing mechanism 100 comprises two permanent magnets 110, a balance armature 120 suspended between the two permanent magnets 110, a coil 130 wound outside the balance armature 120;

[0031] The replacement mechanism 200 comprises a sleeve 210 connected with one end of the balance armature 120, two sealing plates 220 movably connected with the sleeve 210, two convex points 230 connected with the sealing plates 220, a sliding plate 240 slidingly connected with the sleeve 210 and an elastic edge 250 connected with the sliding plate 240.

[0032] The sound conversion mechanism 300 comprises a diaphragm 310 connected with the bottom of the elastic edge 250 and a plurality of springs 320 connected with the bottom of the diaphragm 310.

[0033] Further, the two sealing plates 220 are respectively close to the front and rear sides of the sleeve 210, the sliding plate 240 is attached between the two sealing plates 220, and the layout design of the sealing plates 220 can well limit the sliding plate 240 and prevent the sliding plate 240 from sliding from the inside of the sleeve 210.

[0034] Further, the plurality of shallow grooves are arranged on the sleeve 210, and the two protrusions 230 are arranged on the top and bottom of the sealing plate 220, so that the sealing plate 220 and the sleeve 210 are firmly connected.

[0035] Further, the plurality of springs 320 are arranged in a matrix, and the bottom ends of the springs 320 are attached to the bottom of the inner cavity of the shell 400, so that the diaphragm 310 can stably descend and the stability of sound transmission is ensured.

[0036] Embodiment two:

[0037] As shown in Figs. 1 and 2, the balance armature 120 is arranged in the shell 400, the two permanent magnets 110 are arranged at the top and bottom of the inner cavity of the shell 400, and the coil 130 is arranged in the shell 400. Figure 1 As shown in Figs. 1 and 2, the balance armature 120 is arranged in the shell 400, the two permanent magnets 110 are arranged at the top and bottom of the inner cavity of the shell 400, and the coil 130 is arranged in the shell 400. Figure 4 As shown in Figs. 1 and 2, the balance armature 120 is arranged in the shell 400, the two permanent magnets 110 are arranged at the top and bottom of the inner cavity of the shell 400, and the coil 130 is arranged in the shell 400.

[0038] Embodiment three:

[0039] As shown in Figs. 1 and 2, the balance armature 120 is arranged in the shell 400, the two permanent magnets 110 are arranged at the top and bottom of the inner cavity of the shell 400, and the coil 130 is arranged in the shell 400. Figure 4 As shown in Figs. 1 and 2, the balance armature 120 is arranged in the shell 400, the two permanent magnets 110 are arranged at the top and bottom of the inner cavity of the shell 400, and the coil 130 is arranged in the shell 400.

[0040] The working principle and use process of the utility model are as follows: when the device is put into practical use, the coil 130 is connected with the external current, then the magnetic field formed between the two permanent magnets 110 promotes the horizontal reciprocating motion of the balance armature 120, and then the sleeve 210, the sliding plate 240 and the elastic edge 250 drive the diaphragm 310 to emit sound, and then the conversion of sound is completed.

[0041] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A moving iron receiver facilitating positioning of a diaphragm, characterized in that Include: Induction mechanism (100), the induction mechanism (100) includes two permanent magnets (110), the balance armature (120) suspended between two permanent magnets (110), the coil (130) wound outside the balance armature (120); Replacement mechanism (200), the replacement mechanism (200) includes the sleeve (210) connected with one end of the balance armature (120), the two sealing plates (220) movably connected with the sleeve (210), the two convex points (230) connected with the sealing plate (220), the sliding plate (240) slidingly connected with the sleeve (210), the elastic edge (250) connected with the sliding plate (240); The sound conversion mechanism (300) includes the diaphragm (310) connected with the bottom of the elastic edge (250), the plurality of springs (320) connected with the bottom of the diaphragm (310).

2. A moving-coil receiver with a positioning of the diaphragm, according to claim 1, characterized in that, The balance armature (120) is sleeved with an outer shell (400) outside, two permanent magnets (110) are respectively fixed with the inner cavity top and the inner cavity bottom of the outer shell (400), and the two ends of the coil (130) vertically penetrate the permanent magnet (110) located at the top of the balance armature (120) and extend to the outside of the outer shell (400).

3. A moving-coil receiver with a convenient diaphragm positioning according to claim 1, characterized in that, Two sealing plates (220) are respectively close to the front and rear sides of the sleeve (210), and the sliding plate (240) is attached between the two sealing plates (220).

4. A moving-coil receiver with a convenient diaphragm positioning according to claim 1, characterized in that, A plurality of shallow grooves suitable for the clamping of the convex points (230) are formed on the sleeve (210), and the two convex points (230) on the sealing plate (220) are respectively located at the top and bottom of the sealing plate (220).

5. A moving-coil receiver with a convenient diaphragm positioning according to claim 2, characterized in that, The plurality of springs (320) are arranged in a matrix, and the bottom end of the spring (320) is attached to the inner cavity bottom of the outer shell (400).

6. A moving-coil receiver with a convenient diaphragm positioning according to claim 2, characterized in that, The bottom of the outer shell (400) is embedded with a filter screen plate (500), and the filter screen plate (500) is located between the plurality of springs (320).

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