CN219041981U

CN219041981U - Portable public address equipment

Info

Publication number: CN219041981U
Application number: CN202222900828.5U
Authority: CN
Inventors: 张晓蕾; 翟巾萱; 张中华
Original assignee: Changchun Vocational Institute of Technology
Current assignee: Changchun Vocational Institute of Technology
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-05-16
Anticipated expiration: 2032-11-01

Abstract

The utility model relates to the field of sound amplifying equipment, in particular to portable sound amplifying equipment, which comprises a sound amplifying body and a supporting component, wherein the sound amplifying body comprises a sound amplifying body and a sound amplifying body; the supporting component comprises a fixed rod, supporting seats, springs, locking screws and rotating members, when the loudspeaker is used, the two locking screws are driven to rotate through the rotating members, then the locking screws are moved, the locking screws are moved out of the locking holes, at the moment, the two supporting seats are popped out under the action of the springs, the bottom area of the loudspeaker body is increased, the loudspeaker body can be stably placed on a plane, when a teacher needs to wear the loudspeaker body, the two supporting seats are pressed, the supporting seats drive the locking holes to move when moving, the locking holes are aligned with the locking screws, at the moment, the locking screws are controlled to rotate through the rotating members, so that the locking screws stretch into the locking holes again, and the purpose that the supporting seats can be stored to prevent the loudspeaker body from affecting the comfort degree of the teacher when the loudspeaker is worn is achieved.

Description

Portable public address equipment

Technical Field

The utility model relates to the field of sound amplifying equipment, in particular to portable sound amplifying equipment.

Background

When teacher is teaching, in order to promote the teaching effect, generally can use public address equipment for increase volume, traditional public address equipment is generally tied up at teacher's waist through the waistband, does not have other forms to fix, when need not put public address equipment on one's body, can not put public address equipment stable rest, inconvenient use.

Prior art CN209462606U discloses a portable megaphone, which comprises a case, adjusting button is located the machine case top, the machine case includes cyclic annular mounting, the loudspeaker box, external connection function district, base and buckle spare, cyclic annular mounting sets up in machine case top both sides, wear to establish the waistband in the cyclic annular mounting, loudspeaker box outer cover has the dust screen protrusion in the machine case side, external connection function district is located the side adjacent with the loudspeaker box on the machine case, the base is located the machine case below, place the machine case through the base is stable, wear machine case to waist through the mr when waistband, make the machine case can fix on articles such as slim pole, sheet metal through the buckle spare, the megaphone of being convenient for uses under multiple environment.

According to the device, the chassis can be stably placed on a plane through the base, but the base cannot be contracted, so that a teacher can prop against the waist of the teacher when wearing the loudspeaker to the waist, and the comfort level of wearing the loudspeaker by the teacher is affected.

Disclosure of Invention

The utility model aims to provide portable sound amplifying equipment, which solves the problem that the base of the conventional portable sound amplifying equipment cannot be contracted, so that when a teacher wears the sound amplifying equipment to the waist, the base can be propped against the waist of the teacher, and the comfort degree of wearing the sound amplifying equipment by the teacher is affected.

In order to achieve the above object, the present utility model provides a portable sound amplifying apparatus, including a sound amplifying body, and further including a support assembly; the support assembly comprises a fixing rod, a supporting seat, a spring, a locking screw and a rotating member, wherein the fixing rod is fixedly connected with the loudspeaker body and arranged on the loudspeaker body, the supporting seat is slidably connected with the fixing rod and sleeved on the fixing rod, one end of the spring is connected with the loudspeaker body, the other end of the spring is connected with the supporting seat, the spring is arranged on the supporting seat, the locking screw is in threaded connection with the loudspeaker body and penetrates through the loudspeaker body, and the rotating member is arranged on the loudspeaker body and drives the locking screw to rotate.

The rotary member comprises a shell, a driving gear, a rotary rod and a telescopic component, wherein the shell is fixedly connected with the loudspeaker body and is positioned at one side of the loudspeaker body; the rotating rod is rotationally connected with the loudspeaker body and is positioned at one side of the loudspeaker body, which is close to the shell; the driving gear is fixedly connected with the rotating rod and sleeved on the rotating rod; the telescopic member is provided on the housing.

The telescopic component comprises a driven gear and a telescopic rod, the driven gear is rotationally connected with the shell and is positioned in the shell, and the driven gear is meshed with the driving gear; one end of the telescopic rod is connected with the driven gear, the other end of the telescopic rod is connected with the locking screw rod, and the telescopic rod is arranged on the driven gear.

The telescopic rod comprises a fixed sleeve and a movable rod, wherein the fixed sleeve is fixedly connected with the driven gear and is positioned at one side of the driven gear, which is close to the locking screw rod; one end of the moving rod is in sliding connection with the fixed sleeve, the other end of the moving rod is fixedly connected with the locking screw rod, and the moving rod is located on one side, close to the driving gear, of the locking screw rod.

The support assembly further comprises a sucker, wherein the sucker is fixedly connected with the support seat and is located on one side of the support seat.

According to the portable sound amplifying device, when the portable sound amplifying device is used, the two locking screws are driven to rotate through the rotating member, the locking screws are further moved, the locking screws are moved out of the locking holes, at the moment, the two supporting seats are popped up under the action of the springs, at the moment, the bottom area of the sound amplifying body is increased, the sound amplifying body can be stably placed on a plane, when a teacher needs to wear the sound amplifying body, the two supporting seats are pressed, the two supporting seats compress the springs, the supporting seats drive the locking holes to move when moving, the locking holes are aligned with the locking screws, at the moment, the locking screws are controlled to rotate through the rotating member, the locking screws are stretched into the locking holes again, at the moment, the supporting seats are locked at the bottom of the sound amplifying body, so that the sound amplifying device is convenient for the teacher to wear, the purpose that the supporting seats can store the sound amplifying device, and the comfort degree of the teacher is prevented from being influenced when the teacher wears the sound amplifying device is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic diagram of the overall structure of a portable sound amplifying apparatus according to a first embodiment of the present utility model.

Fig. 2 is a schematic view of the mounting structure of the spring according to the first embodiment of the present utility model.

Fig. 3 is a schematic view of the installation structure of the rotating lever according to the first embodiment of the present utility model.

Fig. 4 is a schematic structural view of a telescopic member according to a first embodiment of the present utility model.

Fig. 5 is a schematic view of the mounting structure of the suction cup according to the second embodiment of the present utility model.

In the figure: 101-loudspeaker body, 102-supporting component, 103-dead lever, 104-supporting seat, 105-spring, 106-locking screw, 107-rotating member, 108-shell, 109-driving gear, 110-rotating lever, 111-telescopic part, 112-driven gear, 113-telescopic lever, 114-dead sleeve, 115-moving lever, 116-locking hole, 201-sucking disc.

Detailed Description

The following detailed description of embodiments of the utility model, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the utility model.

First embodiment:

referring to fig. 1 to 4, fig. 1 is a schematic overall structure of a portable speaker device, fig. 2 is a schematic spring mounting structure, fig. 3 is a schematic rotating rod mounting structure, and fig. 4 is a schematic telescopic member structure.

The utility model provides portable sound amplifying equipment, which comprises a sound amplifying body 101 and a support assembly 102, wherein the support assembly 102 comprises a fixed rod 103, a support seat 104, a spring 105, a locking screw 106 and a rotating member 107, the rotating member 107 comprises a shell 108, a driving gear 109, a rotating rod 110 and a telescopic component 111, the telescopic component 111 comprises a driven gear 112 and a telescopic rod 113, the telescopic rod 113 comprises a fixed sleeve 114 and a movable rod 115, the support seat 104 can be contained at the bottom of the sound amplifying body 101 through the movement of the support seat 104, the sound amplifying body is prevented from affecting the comfort level of a teacher when the teacher wears the sound amplifying body 101, and the problem that the base of the conventional portable sound amplifying equipment cannot be contracted when the teacher wears the sound amplifying equipment to the waist is solved.

To this concrete implementation, be provided with the microphone socket on the megaphone body 101, can make the microphone connect on the megaphone body 101, still be provided with adjust knob on the megaphone body 101, can adjust the broadcast volume of megaphone body 101, be connected with two waistbands on the megaphone body 101, two waistbands pass through the buckle and connect, make like this the mr can with megaphone body 101 wears in the waist.

Wherein the fixing rod 103 is fixedly connected with the loudspeaker body 101 and is arranged on the loudspeaker body 101, the supporting seat 104 is slidably connected with the fixing rod 103 and sleeved on the fixing rod 103, one end of the spring 105 is connected with the loudspeaker body 101, the other end of the spring 105 is connected with the supporting seat 104, the spring 105 is arranged on the supporting seat 104, the locking screw 106 is in threaded connection with the loudspeaker body 101 and penetrates through the loudspeaker body 101, the rotating member 107 is arranged on the loudspeaker body 101 and drives the locking screw 106 to rotate, the fixing rod 103 and the locking screw 106 are respectively arranged at two sides of the loudspeaker body 101, two fixing rods 103 and two springs 105 are arranged on the supporting seat 104, the support base 104 is provided with a locking hole 116 at one side close to the locking screw rod 106, so that the locking screw rod 106 can enter the locking hole 116 to lock the support base 104, when the loudspeaker is used, the two locking screw rods 106 are driven to rotate through the rotating member 107, the locking screw rods 106 are further moved to enable the locking screw rods 106 to be moved out of the locking hole 116, at the moment, the two support bases 104 are ejected under the action of the springs 105, at the moment, the bottom area of the loudspeaker body 101 is increased, so that the loudspeaker body 101 can be stably placed on a plane, when a teacher needs to wear the loudspeaker body 101, the two support bases 104 are pressed, so that the two support bases 104 compress the springs 105, the support base 104 drives the locking hole 116 to move when moving, so that the locking hole 116 is aligned with the locking screw rods 106, at this time, the rotation of the locking screw 106 is controlled by the rotation member 107, so that the locking screw 106 stretches into the locking hole 116 again, and the supporting seat 104 is locked at the bottom of the loudspeaker body 101, so that the supporting seat 104 is convenient for a teacher to wear, and the purpose that the supporting seat 104 can be stored to prevent the comfort degree of the teacher wearing the loudspeaker is prevented.

Secondly, the shell 108 is fixedly connected with the loudspeaker body 101 and is positioned at one side of the loudspeaker body 101; the rotating rod 110 is rotatably connected with the loudspeaker body 101 and is positioned at one side of the loudspeaker body 101 close to the shell 108; the driving gear 109 is fixedly connected with the rotating rod 110 and sleeved on the rotating rod 110; the telescopic member 111 is provided on the housing 108.

Meanwhile, the driven gear 112 is rotatably connected with the housing 108 and is located inside the housing 108, and the driven gear 112 is meshed with the driving gear 109; one end of the telescopic rod 113 is connected with the driven gear 112, the other end of the telescopic rod 113 is connected with the locking screw 106, and the telescopic rod 113 is arranged on the driven gear 112.

The telescopic rod 113 with driven gear 112 respectively is provided with two, the telescopic rod 113 can stretch out and draw back, the dwang 110 is kept away from one side of megaphone body 101 still is provided with the knob, and during the use, rotates the knob, makes the knob drive dwang 110 rotates, and then drives driving gear 109 rotates, makes driving gear 109 drive two driven gear 112 rotates, and then drives two telescopic rod 113 rotates, makes telescopic rod 113 drives locking screw 106 rotates, thereby realizes the drive locking screw 106 pivoted purpose.

In addition, the fixed sleeve 114 is fixedly connected with the driven gear 112, and is positioned at one side of the driven gear 112 close to the locking screw 106; one end of the moving rod 115 is slidably connected with the fixed sleeve 114, the other end of the moving rod 115 is fixedly connected with the locking screw 106, the moving rod 115 is located on one side, close to the driving gear 109, of the locking screw 106, the driven gear 112 and rotation can drive the fixed sleeve 114 to rotate, the fixed sleeve 114 drives the moving rod 115 to rotate, and then the locking screw 106 is driven to rotate, and the moving rod 115 can move along with the movement of the locking screw 106 through the sliding connection of the moving rod 115 and the fixed sleeve 114.

When the portable sound amplifying device of the embodiment is used, the knob on the rotating rod 110 is manually rotated, so that the knob drives the rotating rod 110 and the driving gear 109 to rotate, and then the driving gear 109 drives the driven gear 112 to rotate, so that the driven gear 112 drives the fixed sleeve 114 and the moving rod 115 to rotate, and then drives the locking screw 106 to rotate, through the threaded connection of the locking screw 106 and the sound amplifying body 101, the rotation of the locking screw 106 can move on the sound amplifying body 101, and then the locking screw 106 is moved out of the locking hole 116, at this time, the supporting seat 104 stretches out of the sound amplifying body 101 under the action of the spring 105, so that the bottom area of the sound amplifying body 101 is enlarged, and then the sound amplifying body 101 can be stably placed on other planes, when a teacher needs to wear the sound amplifying body 101, the two supporting seats 104 are pressed, the two supporting seats 104 are made to move on the sound amplifying body 101, the locking screw 106 is moved back from the locking hole 116, and the sound amplifying body 104 is prevented from being folded back, and the comfort of the user can be prevented from being influenced when the locking seat is folded back, and the locking screw 104 is folded, and the locking seat is prevented from being folded when the knob is carried out in the locking hole 116

Second embodiment:

referring to fig. 5, fig. 5 is a schematic view of the mounting structure of the suction cup of the second embodiment, and the support assembly 102 of the present embodiment further includes a suction cup 201.

For this embodiment, the sucking disc 201 is fixedly connected to the supporting base 104, and is located on one side of the supporting base 104, and a plurality of sucking discs 201 are disposed on one supporting base 104, so that the supporting base 104 can be adsorbed on a plane through the sucking discs 201, and the placement of the loudspeaker body 101 is more stable.

The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application and is not intended to limit the scope of the claims hereof, as it is to be understood by those skilled in the art that all or part of the process of implementing the described embodiment may be practiced otherwise than as specifically described and illustrated by the appended claims.

Claims

1. A portable sound amplifying device comprises a sound amplifying body, and is characterized in that,

the device also comprises a support component;

the support assembly comprises a fixed rod, a support seat, a spring, a locking screw and a rotating member, wherein the fixed rod is fixedly connected with the loudspeaker body and is arranged on the loudspeaker body, the support seat is slidably connected with the fixed rod and sleeved on the fixed rod, one end of the spring is connected with the loudspeaker body, the other end of the spring is connected with the support seat, the spring is arranged on the support seat, the locking screw is in threaded connection with the loudspeaker body and penetrates through the loudspeaker body, and the rotating member is arranged on the loudspeaker body and drives the locking screw to rotate.

2. The portable public address device of claim 1, wherein,

the rotating member comprises a shell, a driving gear, a rotating rod and a telescopic component, wherein the shell is fixedly connected with the loudspeaker body and is positioned at one side of the loudspeaker body; the rotating rod is rotationally connected with the loudspeaker body and is positioned at one side of the loudspeaker body, which is close to the shell; the driving gear is fixedly connected with the rotating rod and sleeved on the rotating rod; the telescopic member is provided on the housing.

3. A portable loudspeaker as claimed in claim 2, wherein,

4. A portable loudspeaker as claimed in claim 3, wherein,

5. The portable public address device of claim 1, wherein,

the support assembly further comprises a sucker, wherein the sucker is fixedly connected with the support seat and is positioned on one side of the support seat.