CN-122027966-A - Auxiliary device for loudspeaker pressurization test

CN122027966ACN 122027966 ACN122027966 ACN 122027966ACN-122027966-A

Abstract

The invention relates to a loudspeaker pressurization test auxiliary device which comprises a base, a support, a pressing mechanism, a first positioning seat, ejector pins and a horn, wherein the horn is arranged on the base downwards through a flaring, the base is provided with a first through hole corresponding to the flaring of the horn, the first positioning seat is arranged at the upper end of the horn, the upper surface of the first positioning seat is provided with a first positioning groove for positioning a loudspeaker and a second through hole positioned at the center of the first positioning groove, the center line of the horn, the center line of the first through hole and the center line of the second through hole coincide, two ejector pins are arranged on the first positioning seat at intervals, the ejector pin parts protrude out of the upper surface of the first positioning seat, the lower end of the ejector pins are connected with external test equipment, the pressing mechanism is fixed on the base through the support, the pressing mechanism is arranged above the first positioning seat at intervals, when the loudspeaker is arranged in the first positioning groove, two electric interfaces of the loudspeaker are in one-to-one correspondence with the ejector pins, and the pressing mechanism applies pressure to the loudspeaker so that the electric interfaces are electrically connected with the ejector pins. The invention can effectively improve the test efficiency and the test precision of the loudspeaker.

Inventors

Meng Huanxia
CHEN FENG
XU ZIHAO
LIU XIFANG
Lei Youchao
WU SHANSHAN
DING YUQI
WANG BAIMEI

Assignees

梧州国光科技发展有限公司

Dates

Publication Date: 20260512
Application Date: 20260210

Claims (10)

1. The loudspeaker pressurization test auxiliary device is characterized by comprising a base, a support, a pressing mechanism, a first positioning seat, ejector pins and a horn, wherein the horn is arranged on the base in a downward flaring mode, the base is provided with a first through hole corresponding to the flaring of the horn, the first positioning seat is arranged at the upper end of the horn, the upper surface of the first positioning seat is provided with a first positioning groove for positioning a loudspeaker and a second through hole positioned in the center of the first positioning groove, the center line of the horn, the center line of the first through hole and the center line of the second through hole coincide, two ejector pins are arranged on the first positioning seat at intervals and partially protrude out of the upper surface of the first positioning seat, the lower ends of the ejector pins are connected with external test equipment, the pressing mechanism is fixed on the base through the support, the pressing mechanism is positioned above the first positioning seat at intervals, and when the loudspeaker is placed in the first positioning groove, the two electric interfaces of the loudspeaker are in electric connection with the ejector pins in a one-to-one electric interface.
2. The loudspeaker pressurization test auxiliary device according to claim 1, wherein the pressurization mechanism comprises a cylinder, an intermediate connecting plate and a plurality of compression bars, a cylinder body of the cylinder is mounted on the support, a piston rod of the cylinder is connected with the intermediate connecting plate, the length of the piston rod extends along the vertical direction, the compression bars are arranged on the intermediate connecting plate at intervals, and the cylinder can drive the intermediate connecting plate to drive the compression bars to pressurize the loudspeaker placed in the first positioning groove.
3. The loudspeaker pressurization test auxiliary device according to claim 2, wherein the pressure lever comprises a pressure lever body and a flexible pressure head, the pressure lever body is arranged on the middle connecting plate in a penetrating manner and is locked and fixed through a nut, and the flexible pressure head is arranged at the lower end of the pressure lever body.
4. The loudspeaker pressurization test auxiliary device according to claim 1, wherein a plurality of reinforcing ribs and a plurality of connecting seats are arranged on the periphery of the horn, the reinforcing ribs and the connecting seats are alternately distributed along the circumferential direction of the horn, the reinforcing ribs are protruded out of the upper surface of the horn, a plurality of avoidance grooves are formed in the lower surface of the first positioning seat, the avoidance grooves are in one-to-one correspondence with the reinforcing ribs, and the first positioning seat is fixedly connected with the connecting seats through bolts.
5. The loudspeaker pressurization test auxiliary device according to any one of claims 1 to 4, further comprising a second positioning seat, wherein the second positioning seat is fixed on the base, a third through hole corresponding to the flaring of the horn is formed in the second positioning seat, and a positioning notch attached to the flaring is formed in one side, facing the horn, of the second positioning seat.
6. The horn pressurization testing auxiliary device according to claim 5, further comprising a plurality of pressing mechanisms, wherein all the pressing mechanisms are arranged on the base at intervals along the circumferential direction of the second positioning seat, the flared ends of the horns extend towards the outer circumference to form flanging, and the pressing mechanisms can selectively abut against the flanging on the second positioning seat.
7. The loudspeaker pressurization test auxiliary device according to claim 6, wherein the pressing mechanism comprises a base, a handle, a transmission piece and a pressing part, the base is installed on the base adjacent to the second positioning seat, the transmission piece is installed on the base, the handle is connected with the pressing part through the transmission piece, and the handle can drive the transmission piece to drive the pressing part to move to be pressed against the flanging or be positioned at the periphery of the flanging at intervals.
8. The horn testing assist device as set forth in claim 7, wherein the transmission member includes a transmission seat, a first link, a second link and a third link, the transmission seat is hinged to the first link through a first hinge shaft and is hinged to the second link through a second hinge shaft, one end of the link away from the transmission seat is hinged to the third link through a third hinge shaft, one end of the third link away from the first link is hinged to one end of the second link away from the transmission seat through a fourth hinge shaft, the first hinge shaft and the second hinge shaft are spaced apart in a first direction, and the first hinge shaft is located on one side of the second hinge shaft away from the second positioning seat, the handle is fixedly connected to the third link, the pressing portion is fixedly connected to the second link, the axes of all hinge shafts extend in a second direction and are parallel to each other, the handle swings up and down, the third link drives the first link to rotate around the hinge shaft, and the second link swings down and the first link to the second link, and the second link is located on one side of the second link, and the second link is pivoted down and the second link is pivoted to the second link is located on the opposite side of the second positioning seat, and the second link is pivoted to the second link.
9. The horn pressurization test auxiliary device according to claim 8, wherein the number of the transmission seats is two, each transmission seat comprises a seat plate and a V-shaped plate, the seat plates of the two transmission seats are arranged on the base at intervals along the second direction, the V-shaped plates comprise a first inclined plate and a second inclined plate, the first inclined plate and the second inclined plate are distributed along the first direction and are arranged on the seat plate in an included angle mode, a V-shaped groove avoiding the third connecting rod is formed between the first inclined plate and the second inclined plate, the second inclined plate is located on one side, close to the second positioning seat, of the first inclined plate, the V-shaped plates of the two transmission seats are arranged on the base at intervals along the second direction, the first inclined plate is hinged with the first connecting rod through the first hinge shaft, the second inclined plate is hinged with the second connecting rod through the second hinge shaft, and the first connecting rod and the second connecting rod are located in the mounting groove.
10. The horn pressurization test auxiliary device according to claim 8, wherein the pressing portion includes a pressing lever and a pressing post, the pressing lever is vertically connected with the second link, and the pressing lever is adjacent to the fourth hinge shaft, and the pressing post is fixed on the pressing lever by a fastening bolt.

Description

Auxiliary device for loudspeaker pressurization test Technical Field The invention relates to the technical field of loudspeaker tests, in particular to a loudspeaker pressurization test auxiliary device. Background In the prior art, interfaces at the positive end and the negative end of a loudspeaker are manually clamped in the loudspeaker testing process, the phenomenon of reverse connection of the positive electrode and the negative electrode can be caused in the wiring process, meanwhile, the loudspeaker is manually pressurized in the testing process, if a tester forgets manual pressurization or the applied pressure is insufficient, the loudspeaker testing curve is unstable, and the phenomenon of misjudgment exists, so that the testing efficiency is reduced, and the reject ratio of products is improved. Disclosure of Invention The invention aims to provide a loudspeaker pressurization test auxiliary device which can solve the problems of low efficiency, unstable pressurization and poor contact stability of a manual butt joint electric interface in the existing loudspeaker pressurization test and effectively improve the loudspeaker test efficiency and test precision. To achieve the purpose, the invention adopts the following technical scheme: The utility model provides a loudspeaker pressurization test auxiliary device, including base, support, pressing mechanism, first positioning seat, thimble and bugle, the bugle with the flaring down gesture set up in on the base, the base be equipped with the flaring of bugle corresponds first through-hole, first positioning seat sets up the upper end of bugle, first positioning seat's upper surface has seted up the first constant head tank that is used for the location loudspeaker and is located the second through-hole in first positioning tank center, the central line of bugle, the central line of first through-hole with the central line of second through-hole coincides, two the thimble interval sets up on the first positioning seat just the thimble part protrusion in the upper surface of first positioning seat, the lower extreme of thimble connects external test equipment, pressing mechanism passes through the support is fixed on the base, pressing mechanism interval is located the top of first positioning seat, when loudspeaker is arranged in first positioning tank, two electric interfaces of loudspeaker with the central line coincidence of second through-hole, two the thimble interval sets up on the first positioning seat just the thimble is connected with the electric pressure. As a further scheme of loudspeaker pressurization test auxiliary device, the pressing mechanism includes cylinder, intermediate junction board and a plurality of depression bars, the cylinder body of cylinder install in on the support, the piston rod of cylinder with intermediate junction board is connected, the length of piston rod extends along vertical direction, and a plurality of the depression bar interval sets up on the intermediate junction board, the cylinder can drive intermediate junction board drives the depression bar is located loudspeaker in the first constant head tank is exerted pressure. As a further scheme of loudspeaker pressurization test auxiliary device, the depression bar includes depression bar body and flexible pressure head, the depression bar body wears to locate the intermediate junction board and is fixed through nut locking, flexible pressure head sets up the lower extreme of depression bar body. As a further scheme of the auxiliary device for the horn pressurization test, a plurality of reinforcing ribs and a plurality of connecting seats are arranged on the periphery of the horn, the reinforcing ribs and the connecting seats are distributed alternately along the circumference of the horn, the reinforcing ribs are protruded out of the upper surface of the horn, a plurality of avoidance grooves are formed in the lower surface of the first positioning seat, the avoidance grooves correspond to the reinforcing ribs one by one, and the first positioning seat is fixedly connected with the connecting seats through bolts. As the further scheme of loudspeaker pressurization test auxiliary device, still include the second positioning seat, the second positioning seat is fixed on the base, the second positioning seat seted up with the third through-hole that the flaring of bugle corresponds, the second positioning seat orientation one side of bugle be equipped with the location breach that the flaring end of bugle laminated mutually. As the further scheme of loudspeaker pressurization test auxiliary device, still include a plurality of hold-down mechanisms, all hold-down mechanisms is followed the circumference interval setting of second positioning seat is in on the base, the flaring end of bugle extends towards the periphery and forms the turn-ups, hold-down mechanisms can with the turn-ups selectivity supports tightly on the second positioning seat. As a further