Portable trolley speaker

A portable, rod-pulling technology, applied in the transducer shell/cabinet/stand, etc., can solve the problems of inconvenient dragging, breaking, inconvenient use and operation, etc., and achieve the effect of convenient transportation and carrying, large bearing capacity, and easy handling.
CN103686493BActive Publication Date: 2018-08-10NINGBO TONWEL AUDIO
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
NINGBO TONWEL AUDIO
Publication Date
2018-08-10

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Abstract

The invention discloses a portable pull rod loudspeaker box. The portable pull rod loudspeaker box comprises a front box body (1), a rear box body (12), a power amplifier arranged in the rear box body (12) and a high-frequency speaker (2) arranged at the upper portions of the front box body (1) and the rear box body (12), wherein an outlet of the high-frequency speaker (2) is away from the rear box body (12), a telescopic pull rod (8) is arranged in the rear side of the rear box body (12) and located in the front box body (1), and rolling wheels (10) are arranged at the bottom of the rear box body (12) under the pull rod (8). The portable pull rod loudspeaker box further comprises a first groove (3) arranged in the rear box body (12) and located above the high-frequency speaker (2) and a second groove (6) connected with the first groove (3) and close to the pull rod (8), wherein the second groove (6) is deeper than the first groove (3). The portable pull rod loudspeaker box is large in pull rod bearing capacity and convenient to drag, and the moderate depth of the high-frequency speaker can be ensured, so that the quality of sound made by the portable pull rod loudspeaker box is good.
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Description

technical field

[0001] The invention relates to a sound box, in particular to a portable trolley sound box. Background technique

[0002] Speakers are widely used in various occasions in the entertainment media industry, especially in some large venues and concerts. It is laborious and time-consuming to carry the speakers during the site layout, and in most cases on the site, it is not suitable to use some means of transportation. The internal structure of the speakers itself includes some metal plates, which are heavy, which will cause a lot of inconvenience during use and operation.

[0003] In order to solve the above problems, according to the prior art, a retractable pull rod is generally provided on the back of the speaker and protrudes from the back or in the middle, but the pull rod is located on the back of the speaker and protrudes from the back. When the pull rod is pulled out and drags the speaker, The pull rod will bear a lot of weight. During the dragging proc...

Claims

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