CN213186556U

CN213186556U - Public address equipment is used in college english teaching

Info

Publication number: CN213186556U
Application number: CN202022723515.8U
Authority: CN
Inventors: 黄涓
Original assignee: Jining University
Current assignee: Jining University
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-05-11
Anticipated expiration: 2030-11-23

Abstract

The utility model relates to a teaching equipment technical field, a public address equipment is used in college english teaching, comprising a main body, the fixed surface of main part is connected with accomodates the subassembly, accomodate the subassembly and include the fixed block, and the fixed block is located the inner wall of main part, the surface of fixed block rotates and is connected with the connecting axle, the connecting axle is kept away from one side fixedly connected with of fixed block and is accomodate the groove, accomodate the groove middle part and have cup jointed the wiring, accomodate the groove and keep away from the outer fixed surface of connecting axle and be connected with hand driving lever, the lower fixed surface who accomodates the groove installs the spacing ring, and the wiring passes. The utility model discloses this public address mouth is used in college english teaching has protective structure, prevents that the dust in the classroom from getting into the public address mouth when not, avoids public address equipment to damage, increases the life-span of megaphone, resources are saved, and public address equipment wiring can not twine together, and it is more convenient to use.

Description

Public address equipment is used in college english teaching

Technical Field

The utility model relates to a teaching equipment technical field specifically is a public address equipment is used in college english teaching.

Background

The megaphone is just conveniently carried, the small and exquisite easy operation's of appearance public address set, it is used for classroom mr teaching or guide to bring a tour to travel, can help them to reduce the volume, the protection throat, it is particularly common in college english classroom, when teaching, singly rely on mr to send sound to carry out the words of going on class, sit the classmate comparatively leaning on the back comparatively and just can not be very clear hear the content of mr teaching on class, so at the teaching in-process of some schools today, more and more mr adopts the megaphone to carry out the teaching operation, guarantee the quality of going on class.

Traditional public address equipment public address mouth does not have protective structure, and has been full of the dust in the classroom, makes public address mouth get into the dust easily, leads to public address equipment to damage the life-span that reduces the megaphone, and resource-wasting, the wiring winding of current public address equipment in addition is tied a knot easily together, leads to using inconveniently, brings not enough long even and leads to dragging the cracked condition, consequently needs a urgent need to design a public address equipment for college english teaching and solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a public address equipment is used in college english teaching to solve the public address equipment public address mouth that proposes in the above-mentioned background art and not having protective structure, and be full of the dust in the classroom, made public address mouth get into the dust easily, lead to public address equipment to damage the life-span that reduces the megaphone, the extravagant resource, current public address equipment wiring winding is knotted together easily in addition, lead to using inconvenient, bring the problem that leads to dragging the cracked condition for inadequately long even.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a public address equipment is used in college english teaching, includes the main part, the subassembly is accomodate to the external fixed surface of main part is connected with, accomodate the subassembly and include the fixed block, and the fixed block is located the inner wall of main part, the surface of fixed block rotates and is connected with the connecting axle, one side fixedly connected with that the fixed block was kept away from to the connecting axle accomodates the groove, accomodate the groove middle part and has cup jointed the wiring, accomodate the external fixed surface of groove and keep away from the connecting axle and be connected with hand driving lever, the lower fixed surface who accomodates the groove installs the spacing ring.

Preferably, the surface of main part is provided with the public address mouth, the upper surface of main part rotates and is connected with the button, the last fixed surface of main part installs the receiving wire.

Preferably, the outer fixed surface of main part installs solid fixed ring, gu fixed ring's middle part rotates and is connected with the pivot.

Preferably, the outer surface of the main body is provided with a sliding groove, and the outer surface of the sliding groove is connected with a limiting block in a sliding manner.

Preferably, a microphone is fixedly connected to the outer surface of the accommodating component, and the microphone is fixed to the outer surface of the accommodating groove through a wiring.

Preferably, the outer fixed surface of pivot is connected with the protection casing, one side fixed mounting that the protection casing kept away from the pivot has the gag lever post, and gag lever post and stopper block.

Compared with the prior art, the beneficial effects of the utility model are that: public address equipment public address mouth has protective structure, prevents that the dust in the classroom from getting into the public address mouth when not, avoids public address equipment to damage, increases the life-span of megaphone, resources are saved, and public address equipment wiring can not twine together, and it is more convenient to use.

(1) When the winding device is used, the hand driving lever is rotated, the rotation of the hand driving lever drives the accommodating groove to rotate, the rotation of the accommodating groove drives the connecting shaft to rotate, the connecting shaft is rotatably connected with the fixed block, at the moment, the wiring wound on the outer surface of the accommodating groove can be lengthened, the wiring is lengthened through the limiting ring, the wiring is prevented from being wound together when being lengthened, and when the winding device is placed, the hand driving lever is reversely rotated, so that the wiring is wound on the outer surface of the accommodating groove again and penetrates through the limiting ring when being recovered, and the wiring is prevented from being wound together to influence use;

(2) when using public address equipment, slide the stopper towards the direction of keeping away from solid fixed ring, make gag lever post and stopper break away from the block, pulling the protection casing, make the pivot rotate along solid fixed ring's surface, make public address mouth show at the surface, public address equipment just can be bigger when taking place like this, when class, especially when wiping the blackboard, the dust is many, get into easily in the public address mouth, make the protection shroud at the surface of public address mouth through rotating the pivot, rethread slip stopper, block gag lever post and stopper once more, just so reach the effect of protecting public address mouth.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a view of the structural expansion surface of the protective cover of the present invention;

fig. 3 is an enlarged schematic view of the structure of the accommodating assembly of the present invention;

fig. 4 is a schematic view of the whole structure of the protective cover of the present invention.

In the figure: 1. a main body; 2. a receiving assembly; 201. a fixed block; 202. a connecting shaft; 203. a receiving groove; 204. wiring; 205. a hand lever; 206. a limiting ring; 3. a microphone; 4. a sound amplifying port; 5. a button; 6. receiving a wire; 7. a fixing ring; 8. a rotating shaft; 9. a protective cover; 10. a limiting rod; 11. a chute; 12. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a public address apparatus for college english teaching comprises a main body 1, a receiving assembly 2 is fixedly connected to an outer surface of the main body 1, the receiving assembly 2 comprises a fixing block 201, the fixing block 201 is located on an inner wall of the main body 1, a connecting shaft 202 is rotatably connected to an outer surface of the fixing block 201, a receiving groove 203 is fixedly connected to one side of the connecting shaft 202 away from the fixing block 201, a connection wire 204 is sleeved at a middle portion of the receiving groove 203, a hand lever 205 is fixedly connected to an outer surface of the receiving groove 203 away from the connecting shaft 202, a limit ring 206 is fixedly installed on a lower surface of the receiving groove 203, the connection wire 204 passes through the limit ring 206, as shown in fig. 1 and 3, by rotating the hand lever 205, the receiving groove 203 is rotated by rotation of the hand lever 205, the connecting shaft 202 is rotated by rotation of the receiving groove 203, the connecting shaft 202 is rotatably connected with the fixing block 201, the wiring 204 is lengthened through the limiting ring 206, so that the wiring 204 is prevented from being wound together when being lengthened, and when being placed, the hand lever 205 is rotated reversely, so that the wiring 204 is wound on the outer surface of the accommodating groove 203 again, and the wiring passes through the limiting ring 206 when being recovered, so that the wiring 204 is prevented from being wound together, and the microphone 3 is ensured to be pulled or contracted freely and not to be wound.

Further, the outer surface of the main body 1 is provided with a sound amplifying port 4, the upper surface of the main body 1 is rotatably connected with a button 5, the upper surface of the main body 1 is fixedly provided with a receiving wire 6, as shown in fig. 1, the sound amplifying port 4 is used for amplifying sound, the button 5 is used for adjusting sound volume, and the receiving wire 6 is used for receiving signals.

Further lie in, the fixed surface of main part 1 installs solid fixed ring 7, the middle part of solid fixed ring 7 rotates and is connected with pivot 8, spout 11 has been seted up to the surface of main part 1, the surface sliding connection of spout 11 has stopper 12, the fixed surface of pivot 8 is connected with protection casing 9, one side fixed mounting that pivot 8 was kept away from to protection casing 9 has gag lever post 10, and gag lever post 10 and stopper 12 block, as shown in fig. 2 and fig. 4, when leaving class, especially when wiping the blackboard, the dust is many, get into easily among public address mouth 4, make protection casing 9 cover the surface at public address mouth 4 through rotating pivot 8, rethread slip stopper 12, with gag lever post 10 and stopper 12 block once more, just so reach the effect of protecting public address mouth 4.

Further, the microphone 3 is fixedly connected to the outer surface of the accommodating component 2, the microphone 3 is fixed to the outer surface of the accommodating groove 203 through the wiring 204, the wiring 204 is connected with the microphone 3, and the wiring 204 is wound on the accommodating groove 203, so that the wiring 204 can be contracted, and the microphone 3 can be conveniently used.

The working principle is as follows: during the use, through rotating hand driving lever 205, hand driving lever 205's rotation drives and accomodates groove 203 and rotates, the rotation of accomodating groove 203 drives connecting axle 202 and rotates, connecting axle 202 rotates with fixed block 201 and connects, accomodate groove 203 surface winding wiring 204 this moment and will be put long, and wiring 204 realizes putting long through spacing ring 206, guarantee that wiring 204 can not twine together when lengthening, slide stopper 12 towards the direction of keeping away from solid fixed ring 7, make gag lever post 10 and stopper 12 break away from the block, pulling protection casing 9, make pivot 8 rotate along the surface of solid fixed ring 7, make public address mouth 4 expose at the surface, public address equipment just can be bigger when taking place like this, carry out the protection to public address mouth 4 with gag lever post 10 and stopper 12 block again when not using.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a public address equipment is used in college english teaching, includes main part (1), its characterized in that: the outer fixed surface of main part (1) is connected with accomodates subassembly (2), accomodate subassembly (2) including fixed block (201), and fixed block (201) are located the inner wall of main part (1), the surface of fixed block (201) rotates and is connected with connecting axle (202), one side fixedly connected with that fixed block (201) were kept away from in connecting axle (202) accomodates groove (203), accomodate groove (203) middle part and have cup jointed wiring (204), accomodate groove (203) and keep away from outer fixed surface of connecting axle (202) and be connected with hand driving lever (205), the lower fixed surface who accomodates groove (203) installs spacing ring (206), and wiring (204) pass spacing ring (206).

2. The public address equipment for college english teaching according to claim 1, characterized in that: the surface of main part (1) is provided with public address mouth (4), the upper surface of main part (1) rotates and is connected with button (5), the last fixed surface of main part (1) installs receiving wire (6).

3. The public address equipment for college english teaching according to claim 1, characterized in that: the outer fixed surface of main part (1) installs solid fixed ring (7), the middle part of solid fixed ring (7) rotates and is connected with pivot (8).

4. The public address equipment for college english teaching according to claim 3, wherein: the outer surface of the main body (1) is provided with a sliding groove (11), and the outer surface of the sliding groove (11) is connected with a limiting block (12) in a sliding mode.

5. The public address equipment for college english teaching according to claim 4, wherein: the outer surface of the accommodating component (2) is fixedly connected with a microphone (3), and the microphone (3) is fixed on the outer surface of the accommodating groove (203) through a wiring (204).

6. The public address equipment for college english teaching according to claim 5, wherein: the outer fixed surface of pivot (8) is connected with protection casing (9), one side fixed mounting that pivot (8) were kept away from in protection casing (9) has gag lever post (10), and gag lever post (10) and stopper (12) block.