Diaphragm low and medium frequency driver

Abstract

The utility model discloses a diaphragm medium and low frequency driver, which comprises a diaphragm driver body, two holes are arranged in the diaphragm driver body, a fixing mechanism is connected in the holes of the diaphragm driver body, a fixing base is arranged on the lower surface of the diaphragm driver body, a cable is arranged in the fixing base, and the cable is connected with the diaphragm driver body. The cable is electrically connected with the vibrating diaphragm driver body, a fixing clamp is fixedly connected below the fixing base, the fixing clamp is movably connected with the cable, a limiting mechanism is arranged above the fixing base, a transmission mechanism is arranged in the fixing base, and the transmission mechanism is fixedly connected with the fixing base. And the transmission mechanism drives the limiting mechanism to fix the diaphragm driver body into the audio equipment. Through the above structure, the vibrating diaphragm driver body can be installed without the help of other jigs, and a plurality of cables can be rapidly fixed through the arrangement of the fixing clamps, so that the cables are orderly arranged, and maintenance and wiring are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of audio drivers, in particular to a diaphragm mid-low frequency driver. Background Art

[0002] When the applicant was conducting this application, through retrieval, it was found that the Chinese patent disclosed "Compression Drive with a Dome Diaphragm and an Annular Outlet", and its application number was "CN201980102432.4". The patent mainly includes that the compression driver includes a dome diaphragm having a convex surface and a concave surface and a phase adjustment plug having a base portion. The base portion has a first side and an opposite second side. The first side of the base portion is disposed adjacent to the convex surface of the diaphragm, and a compression chamber is defined between the diaphragm and the convex surface. The base portion includes a plurality of channels extending from the first side through the base portion to the second side so that sound waves travel through the base portion, and the plurality of channels converge to form an annular outlet of the compression driver. However, when connecting the cable, the above structure generally uses a welding method. After welding, the cables are bent and arranged inside the audio device, which leads to chaotic internal wire sequences and is inconvenient for repairing equipment with damaged circuits. At the same time, when this structure is installed inside the audio device, it is fixedly connected by screws, but this method requires the assistance of other jigs for assembly operations, which is time-consuming and laborious. For this reason, we propose a diaphragm mid-low frequency driver to solve the above problems. Summary of the Invention

[0003] The purpose of the utility model is to provide a diaphragm mid-low frequency driver to solve the problems raised in the above background art.

[0004] To achieve the above purpose, a diaphragm mid-low frequency driver is provided, including a diaphragm driver body. There are two holes provided inside the diaphragm driver body. A fixing mechanism is connected inside the holes of the diaphragm driver body. A fixing base is provided on the lower surface of the diaphragm driver body. A cable is provided inside the fixing base. The cable is electrically connected to the diaphragm driver body. A fixing clip is fixedly connected below the fixing base. The fixing clip is movably connected to the cable. A limiting mechanism is provided above the fixing base. A transmission mechanism is provided inside the fixing base. The transmission mechanism drives the limiting mechanism to fix the diaphragm driver body inside the audio device.

[0005] According to the diaphragm mid-low frequency driver described above, the fixing clip includes a fixing frame and an elastic clamp. A plurality of holes are opened on the lower surface of the diaphragm driver body. The fixing frame is fixedly connected to the inner wall of the hole of the diaphragm driver body. The elastic clamp is fixedly connected to the outer wall of the fixing frame. The outer dimension of the elastic clamp is equal to that of the cable.

[0006] According to the described diaphragm mid - low frequency driver, the fixing mechanism includes a fixing base, a worm gear, a screw rod, a nut slider, a moving rod, a sliding groove, and a worm. The fixing base is fixedly connected to the upper surface of the fixing base plate. A through - hole is provided in the inner wall of the fixing base plate, and the transmission shaft is rotatably connected to the inner wall of the through - hole. The worm is fixedly connected to the outer wall of the transmission shaft, and the screw rod is rotatably connected to the inner wall of the diaphragm driver body.

[0007] According to the described diaphragm mid - low frequency driver, the worm gear is rotatably connected to the inner wall of the fixing base, the worm gear is fixedly connected to the outer wall of the screw rod, and the worm is engaged with the outer wall of the worm gear.

[0008] According to the described diaphragm mid - low frequency driver, the transmission mechanism includes a driving gear, a hand - twisting shaft, and a transmission gear. The transmission gear is fixedly connected to the lower end of the transmission shaft. The hand - twisting shaft is rotatably connected to the inner wall of the fixing base plate. The driving gear is fixedly connected to the outer wall of the hand - twisting shaft, and the driving gear is engaged with the transmission gear.

[0009] According to the described diaphragm mid - low frequency driver, the limiting mechanism includes a fixing mechanism, a fixing stop piece, a guide sleeve, and a guide rod. The fixing stop piece is fixedly connected to one end of the nut slider. The guide sleeve is fixedly connected to the outer wall of the fixing stop piece. A cylindrical sliding groove is provided in the inner wall of the guide sleeve, and the guide rod is slidably connected to the inner wall of the guide sleeve.

[0010] According to the described diaphragm mid - low frequency driver, a thread is provided in the inner wall of the nut slider, the screw rod is thread - connected to the inner wall of the nut slider, the sliding groove is fixedly connected to the outer wall of the fixing base plate, and the moving rod is slidably connected to the inner wall of the sliding groove.

[0011] The beneficial effects of the present utility model: By providing a limiting mechanism and a transmission mechanism, it is possible to drive the transmission gear to rotate by rotating the hand - twisting shaft, and then drive the worm to drive the worm gear to rotate, then drive the screw rod to rotate, then drive the fixing stop piece to expand towards the inner wall of the housing to be installed, and then stably fix the diaphragm driver body in the audio device, and then there is no need to use other fixtures to install the diaphragm driver body. By providing a fixing clip, multiple cables can be quickly fixed, and then the cable routing is neat and convenient for maintenance and wiring.

[0012] Additional aspects and advantages of the present utility model will be given in part in the following description, and part will become apparent from the following description, or will be understood through the practice of the present utility model. Brief Description of the Drawings

[0013] The following further illustrates the present utility model in conjunction with the drawings and embodiments;

[0014] Figure 1 It is a three - dimensional view of the diaphragm mid - low frequency driver of the present utility model;

[0015] Figure 2 This is another perspective three-dimensional view of the mid-low frequency driver of the diaphragm of the present utility model;

[0016] Figure 3 This is a partial schematic view of one side of the driving gear in the mid-low frequency driver of the diaphragm of the present utility model;

[0017] Figure 4 This is a partial schematic view of one side of the fixing clip in the mid-low frequency driver of the diaphragm of the present utility model.

[0018] Legend:

[0019] 1. Fixing mechanism; 2. Fixing base; 3. Diaphragm driver body; 4. Cable; 5. Fixing clip; 6. Fixing baffle; 7. Guide sleeve; 8. Guide rod; 9. Driving gear; 10. Transmission gear; 11. Hand-twisting shaft; 101. Fixing seat; 102. Worm gear; 103. Screw; 104. Nut slider; 105. Moving rod; 106. Chute; 107. Worm; 108. Transmission shaft; 51. Fixing frame; 52. Elastic retaining clip. Detailed implementation manners

[0020] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it should not be construed as a limitation on the protection scope of the present utility model.

[0021] Embodiment: Refer to Figures 1 to 4, in the diaphragm mid-low frequency driver of the embodiment of the present utility model, it includes a diaphragm driver body 3. There are two holes arranged inside the diaphragm driver body 3. A fixing mechanism 1 is connected inside the holes of the diaphragm driver body 3. A fixing base 2 is arranged on the lower surface of the diaphragm driver body 3. A cable 4 is arranged inside the fixing base 2. The cable 4 is electrically connected to the diaphragm driver body 3. A fixing clip 5 is fixedly connected below the fixing base 2. The fixing clip 5 is movably connected to the cable 4. A limiting mechanism is arranged above the fixing base 2. A transmission mechanism is arranged inside the fixing base 2. The transmission mechanism drives the limiting mechanism to fix the diaphragm driver body 3 inside the audio device. The limiting mechanism includes a fixing mechanism 1, a fixing flap 6, a guide sleeve 7, and a guide rod 8. The fixing flap 6 is fixedly connected to one end of a nut slider 104. The guide sleeve 7 is fixedly connected to the outer wall of the fixing flap 6. A cylindrical chute is arranged on the inner wall of the guide sleeve 7. The guide rod 8 is slidably connected to the inner wall of the guide sleeve 7. A thread is arranged on the inner wall of the nut slider 104. A screw rod 103 is threadedly connected to the inner wall of the nut slider 104. A chute 106 is fixedly connected to the outer wall of the fixing base 2. A moving rod 105 is slidably connected to the inner wall of the chute 106. The diaphragm driver body 3 includes a diaphragm, a magnet, and a voice coil. The diaphragm is the part responsible for vibration and is made of a thin and strong material, which can be a polyester film or aluminum alloy. The magnet generates a magnetic field to drive the diaphragm to vibrate. The voice coil is located inside the magnet and is connected to the diaphragm. It is affected by the magnetic field to generate vibration, thereby driving the diaphragm to vibrate and finally generating sound.

[0022] The fixing clip 5 includes a fixing frame 51 and an elastic clamp 52. A plurality of holes are formed in the lower surface of the diaphragm driver body 3. The fixing frame 51 is fixedly connected to the inner wall of the hole of the diaphragm driver body 3. The elastic clamp 52 is fixedly connected to the outer wall of the fixing frame 51. The outer dimension of the elastic clamp 52 is equal to that of the cable 4. The fixing mechanism 1 includes a fixing seat 101, a worm gear 102, a screw rod 103, a nut slider 104, a moving rod 105, a chute 106, and a worm 107. The fixing seat 101 is fixedly connected to the upper surface of the fixing base 2. A through hole is formed in the inner wall of the fixing base 2. The transmission shaft 108 is rotatably connected to the inner wall of the through hole. The worm 107 is fixedly connected to the outer wall of the transmission shaft 108. The screw rod 103 is rotatably connected to the inner wall of the diaphragm driver body 3. The worm gear 102 is rotatably connected to the inner wall of the fixing seat 101. The worm gear 102 is fixedly connected to the outer wall of the screw rod 103. The worm 107 meshes with the outer wall of the worm gear 102. The transmission mechanism includes a driving gear 9, a hand-twisting shaft 11, and a transmission gear 10. The transmission gear 10 is fixedly connected to the lower end of the transmission shaft 108. The hand-twisting shaft 11 is rotatably connected to the inner wall of the fixing base 2. The driving gear 9 is fixedly connected to the outer wall of the hand-twisting shaft 11. The driving gear 9 meshes with the transmission gear 10. By providing the moving rod 105 and the chute 106, the sliding stability of the nut slider 104 is improved. The fixing stop 6 is made of rubber material, and thus can be stably fixed to the inner wall of the audio device housing. The elastic clamp 52 is made of polyvinyl chloride material. The number of the screw rods 103 is two, and the thread helix directions thereof are opposite. Thus, the thread directions between every two of the nut slider 104, the worm 107, and the worm gear 102 are opposite.

[0023] Working principle: During assembly, by rotating the hand-twisting shaft 11, the driving gear 9 is driven to rotate, then the transmission gear 10 is driven to rotate, then the transmission shaft 108 is driven to rotate, then the worm 107 is driven to rotate, then the worm gear 102 is driven to rotate, then the screw rod 103 is driven to rotate, then the fixing stop 6 is driven to approach and fix to the inner wall of the audio device housing. The cable 4 is welded to the required circuit of the diaphragm driver body 3. The cable 4 is passed through the fixing base 2, and then the cable 4 is clamped to the inner wall of the elastic clamp 52.

[0024] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art in the technical field, various changes can also be made without departing from the gist of the present invention.

Claims

1. Mid - low frequency diaphragm driver, including the diaphragm driver body (3), characterized in that, Inside the diaphragm driver body (3), there are two holes. A fixing mechanism (1) is connected inside the holes of the diaphragm driver body (3). A fixing base (2) is arranged on the lower surface of the diaphragm driver body (3). A cable (4) is arranged inside the fixing base (2). The cable (4) is electrically connected to the diaphragm driver body (3). A fixing clip (5) is fixedly connected below the fixing base (2). The fixing clip (5) is movably connected to the cable (4). A limiting mechanism is arranged above the fixing base (2). A transmission mechanism is arranged inside the fixing base (2). The transmission mechanism drives the limiting mechanism to fix the diaphragm driver body (3) inside the audio device.

2. The diaphragm mid-low frequency driver according to claim 1, characterized in that, The fixing clip (5) includes a fixing frame (51) and an elastic clamp (52). A plurality of holes are formed on the lower surface of the diaphragm driver body (3). The fixing frame (51) is fixedly connected to the inner wall of the hole of the diaphragm driver body (3). The elastic clamp (52) is fixedly connected to the outer wall of the fixing frame (51). The outer dimension of the elastic clamp (52) is equal to that of the cable (4).

3. The diaphragm mid-low frequency driver according to claim 1, characterized in that, The fixing mechanism (1) includes a fixing seat (101), a worm gear (102), a screw (103), a nut slider (104), a moving rod (105), a chute (106), and a worm (107). The fixing seat (101) is fixedly connected to the upper surface of the fixing base (2). A through hole is formed on the inner wall of the fixing base (2). A transmission shaft (108) is rotatably connected to the inner wall of the through hole. The worm (107) is fixedly connected to the outer wall of the transmission shaft (108). The screw (103) is rotatably connected to the inner wall of the diaphragm driver body (3).

4. The diaphragm mid-low frequency driver according to claim 3, characterized in that, The worm gear (102) is rotatably connected to the inner wall of the fixing seat (101). The worm gear (102) is fixedly connected to the outer wall of the screw (103). The worm (107) meshes with the outer wall of the worm gear (102).

5. The diaphragm mid-low frequency driver according to claim 3, characterized in that, The transmission mechanism includes a driving gear (9), a hand-twisting shaft (11), and a transmission gear (10). The transmission gear (10) is fixedly connected to the lower end of the transmission shaft (108). The hand-twisting shaft (11) is rotatably connected to the inner wall of the fixing base (2). The driving gear (9) is fixedly connected to the outer wall of the hand-twisting shaft (11). The driving gear (9) meshes with the transmission gear (10).

6. The diaphragm mid-low frequency driver according to claim 3, wherein, The limiting mechanism includes the fixing mechanism (1), a fixing stop (6), a guide sleeve (7), and a guide rod (8). The fixing stop (6) is fixedly connected to one end of the nut slider (104). The guide sleeve (7) is fixedly connected to the outer wall of the fixing stop (6). A cylindrical chute is arranged on the inner wall of the guide sleeve (7). The guide rod (8) is slidably connected to the inner wall of the guide sleeve (7).

7. The diaphragm mid-low frequency driver according to claim 3, wherein Internal threads are provided on the inner wall of the nut slider (104). The screw (103) is threadedly connected to the inner wall of the nut slider (104). The chute (106) is fixedly connected to the outer wall of the fixing base (2). The moving rod (105) is slidably connected to the inner wall of the chute (106).

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