CN212649662U

CN212649662U - Public address equipment is used in teaching with dustproof construction

Info

Publication number: CN212649662U
Application number: CN202021849477.4U
Authority: CN
Inventors: 彭佳新
Original assignee: Beijing Yuxiang Technology Co ltd
Current assignee: Beijing Yuxiang Technology Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-03-02
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a public address equipment is used in teaching with dustproof construction, including the megaphone main part third bracing piece and fourth bracing piece, the front of megaphone main part is inlayed and is had the dust screen, the top bearing of third bracing piece is connected with the head rod, the one end bearing that the third bracing piece was kept away from to the head rod is connected with the fixed plate. The utility model discloses a be provided with the dust guard, first bracing piece, second bracing piece and fixed plate, when using the device in the classroom, the classroom can produce a lot of dust, so when having the condition of dust, first bracing piece and second bracing piece that the mounting panel that is installed through megaphone main part bottom is connected are around rotating together, when the dust guard is about to laminate the megaphone main part, the second connecting rod closely laminates dust guard and megaphone main part through the rotation of fourth bracing piece, reach dirt-proof effect, greatly increased the practicality of device when using.

Description

Public address equipment is used in teaching with dustproof construction

Technical Field

The utility model relates to a public address equipment technical field specifically is a public address equipment is used in teaching with dustproof construction.

Background

Public address equipment how to protect mr's throat effectively for the teaching, the prevention is acute, chronic pharyngitis, lets the student fairly educate, how lets mr show the limbs language more fully, improves teaching effect, lets the teaching environment more convenient, more comfortable, more sanitary, more healthy environmental protection, but, above-mentioned product in use has following defect: dust generated when a classroom is cleaned during use is easy to gather in the equipment and is inconvenient to clean, and hidden danger exists during reuse, so that the teaching public address equipment with the dustproof structure needs to be invented.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a public address equipment is used in teaching with dustproof construction to the dust when cleaning the classroom that proposes when using gathers easily inside and inconvenient the cleaning of equipment in solving above-mentioned background art, has the problem of hidden danger when using once more.

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 teaching with dustproof construction, includes the megaphone main part third bracing piece and fourth bracing piece, the front of megaphone main part is inlayed and is had the dust screen, the top bearing of third bracing piece is connected with the head rod, the one end bearing that the third bracing piece was kept away from to the head rod is connected with the fixed plate, the one end fixedly connected with second connecting rod of third bracing piece is kept away from to the fourth bracing piece, the other end bearing of second connecting rod is connected in the fixed plate.

Preferably, the both sides of megaphone main part all have the connecting block, two sets of through bearing fixed mounting the top of connecting block all the fixedly connected with lantern ring, the handle has all been cup jointed to the lantern ring inside.

Preferably, the bottom fixed mounting of handle has the limiting plate, the positive bottom fixed mounting of megaphone main part has the mounting panel, the positive top bearing of mounting panel is connected with first bracing piece.

Preferably, the positive bottom bearing of mounting panel is connected with the second bracing piece, the one end that the mounting panel was kept away from to first bracing piece and second bracing piece all the bearing be connected with the third bracing piece, the bottom bearing of third bracing piece is connected with the fourth bracing piece.

Preferably, fixed plate fixed mounting has the dust guard, the storage compartment has been seted up on the right side of megaphone main part, one side hinge of storing the compartment articulates there is the compartment door.

Preferably, the both ends of handle have all seted up the cavity, the quantity of cavity is six, every group the inside all fixed mounting of cavity has the spring, the spring other end all fixed mounting has a top pearl, the inside annular groove of having seted up of the lantern ring, annular groove and top pearl are mutually supported.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through being provided with the dust guard, first bracing piece, second bracing piece and fixed plate, when using the device in the classroom, the classroom can produce a lot of dust, so when there is the condition of dust, will manually promote the dust guard to drive the up motion with the fixed plate, closely laminate the dust screen on dust guard and megaphone main part surface, first bracing piece and the second bracing piece that the mounting panel that is installed through megaphone main part bottom is connected are around rotating together, and the other end then drives the third bracing piece, head rod and fourth bracing piece are rotatory, when the dust guard is about to laminate the megaphone main part, the rotation of second connecting rod through the fourth bracing piece is closely laminated dust guard and megaphone main part, reach dirt-proof effect, greatly increased the practicality of device when using.

2. Through being provided with handle and the lantern ring, when the teacher needs to carry this equipment, portable handle carries whole device, and if the distance before handle and megaphone main part is improper, the accessible lantern ring is adjusted, and inside top pearl and annular groove mutually support, stretch out and draw back between the lantern ring and the handle, can adjust suitable position with handle and megaphone main part fast, and is more convenient when carrying, greatly increased the convenience of device.

3. Through being provided with, in the use, if need store tape and USB flash disk class when the small and exquisite equipment that easily loses, seted up on megaphone main part right side and stored the compartment, can put into the storage compartment with little article in, with the partition door closure, reach the purpose of storage, greatly increased the practicality of device when using.

Drawings

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

fig. 2 is an expanded schematic view of the dust guard structure of the present invention;

FIG. 3 is a schematic front view of the structure of the present invention;

fig. 4 is an enlarged cross-sectional view of the structure at a in fig. 2 according to the present invention.

In the figure: 1. a microphone body; 2. a dust screen; 3. connecting blocks; 4. a collar; 5. a handle; 6. mounting a plate; 7. a fixing plate; 8. a first support bar; 9. a second support bar; 10. a third support bar; 11. a fourth support bar; 12. a first connecting rod; 13. a second connecting rod; 14. a dust-proof plate; 15. a partition door; 16. a storage compartment; 17. a cavity; 18. a spring; 19. a top bead; 20. an annular groove.

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, the present invention provides an embodiment:

the utility model provides a public address equipment is used in teaching with dustproof construction, including megaphone main part 1, cavity 17 has all been seted up at the both ends of handle 5, and the quantity of cavity 17 is six, and the inside all fixed mounting of every group cavity 17 has spring 18, and the all fixed mounting of the spring 18 other end has a pearl 19, and annular groove 20 has been seted up to lantern ring 4 inside, and annular groove 20 and a pearl 19 mutually support, and is more stable when mutually supporting through annular groove 20 and a pearl 19 with the device regulation, greatly increased the device stability when using.

The positive bottom bearing of mounting panel 6 is connected with second bracing piece 9, and the one end that mounting panel 6 was kept away from to first bracing piece 8 and second bracing piece 9 all the bearing be connected with third bracing piece 10, and the bottom bearing of third bracing piece 10 is connected with fourth bracing piece 11, moves together under the drive of third bracing piece 10 according to second bracing piece 9 and first bracing piece 8, will form a whole, greatly increased the unity of device.

The bottom fixed mounting of handle 5 has the limiting plate, and the positive bottom fixed mounting of megaphone main part 1 has mounting panel 6, and the positive top bearing of mounting panel 6 is connected with first bracing piece 8, greatly increased the stability of device.

The front of megaphone main part 1 is inlayed and is had dust screen 2, the top bearing of third bracing piece 10 is connected with head rod 12, the one end bearing that third bracing piece 10 was kept away from to head rod 12 is connected with fixed plate 7, the one end fixedly connected with second connecting rod 13 of third bracing piece 10 is kept away from to fourth bracing piece 11, the other end bearing of second connecting rod 13 is connected in fixed plate 7, second connecting rod 13 and head rod 12 are connected jointly on fixed plate 7, make whole device more unified when using, greatly increased the uniformity of device.

Fixed plate 7 fixed mounting has dust guard 14, and loudspeaker main part 1's right side has been seted up and has been stored compartment 16, and one side hinge of storing compartment 16 articulates there is partition door 15, through being provided with storage compartment 16 and partition door 15, will store the effect and embody, conveniently store easily losing the article, greatly increased the practicality of device.

Both sides of the loudspeaker main body 1 are fixedly provided with connecting blocks 3 through bearings, the top ends of the two groups of connecting blocks 3 are fixedly connected with lantern rings 4, and handles 5 are sleeved inside the lantern rings 4, so that the practicability of the device is enhanced.

The working principle is as follows: when using the device in the classroom, the classroom can produce a lot of dusts, so when having the condition of dust, will manually promote dust guard 14 and drive fixed plate 7 and move upward, closely laminate dust guard 2 on dust guard 14 and megaphone main part 1 surface, first bracing piece 8 and second bracing piece 9 that the mounting panel 6 installed through megaphone main part 1 bottom is connected rotate around 6 together, and the other end then drives third bracing piece 10, head rod 12 and fourth bracing piece 11 are rotatory, when dust guard 14 is about to laminate megaphone main part 1 soon, second bracing piece 13 closely laminates dust guard 14 and megaphone main part 1 through the rotation of fourth bracing piece 11, reach dirt-proof effect, greatly increased the practicality of device when using. When the teacher need carry this equipment, portable handle 5 carries whole device, if handle 5 and megaphone main part 1 before the distance is improper, accessible lantern ring 4 is adjusted, and inside top pearl 19 and annular groove 20 mutually support, stretch out and draw back between lantern ring 4 and the handle 5, can adjust handle 5 and megaphone main part 1 to suitable position fast, and is more convenient when carrying, greatly increased the convenience of device. In the use process, if small and exquisite objects which are easy to lose, such as magnetic tapes and USB flash disks, need to be stored, the storage compartment 16 is arranged on the right side of the loudspeaker main body 1, the small objects can be placed into the storage compartment 16, the partition door 15 is closed, the purpose of storage is achieved, and the practicability of the device in use is greatly improved.

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 teaching with dustproof construction, includes megaphone main part (1), third bracing piece (10) and fourth bracing piece (11), its characterized in that: the front of megaphone main part (1) is inlayed and is had dust screen (2), the top bearing of third bracing piece (10) is connected with head rod (12), the one end bearing of keeping away from third bracing piece (10) in head rod (12) is connected with fixed plate (7), the one end fixedly connected with second connecting rod (13) of third bracing piece (10) are kept away from in fourth bracing piece (11), the other end bearing of second connecting rod (13) is connected in fixed plate (7).

2. The audio amplifying apparatus for teaching with dustproof construction as set forth in claim 1, wherein: both sides of megaphone main part (1) all have connecting block (3), two sets of through bearing fixed mounting the top of connecting block (3) all fixedly connected with lantern ring (4), handle (5) have all been cup jointed to lantern ring (4) inside.

3. The audio amplifying apparatus for teaching with dustproof construction as set forth in claim 2, wherein: the bottom fixed mounting of handle (5) has the limiting plate, the positive bottom fixed mounting of megaphone main part (1) has mounting panel (6), the positive top bearing of mounting panel (6) is connected with first bracing piece (8).

4. The audio amplifying apparatus for teaching with dustproof construction as set forth in claim 3, wherein: the positive bottom bearing of mounting panel (6) is connected with second bracing piece (9), the one end that mounting panel (6) were kept away from in first bracing piece (8) and second bracing piece (9) all the bearing be connected with third bracing piece (10), the bottom bearing of third bracing piece (10) is connected with fourth bracing piece (11).

5. The audio amplifying apparatus for teaching with dustproof construction as set forth in claim 1, wherein: fixed plate (7) fixed mounting has dust guard (14), storage compartment (16) have been seted up on the right side of megaphone main part (1), one side hinge of storing compartment (16) articulates there is compartment door (15).

6. The audio amplifying apparatus for teaching with dustproof construction as set forth in claim 2, wherein: both ends of handle (5) all seted up cavity (17), the quantity of cavity (17) is six, every group cavity (17) inside all fixed mounting have spring (18), the all fixed mounting of spring (18) other end has top pearl (19), annular groove (20) have been seted up to lantern ring (4) inside, annular groove (20) and top pearl (19) mutually support.