CN211019232U

CN211019232U - Public address set is used in teaching of commercial affairs english convenient to wear

Info

Publication number: CN211019232U
Application number: CN202020241084.9U
Authority: CN
Inventors: 代芳丽; 张军; 邓明卓; 彭锦华
Original assignee: Hunan Nonferrous Metals Vocational and Technical College
Current assignee: Hunan Nonferrous Metals Vocational and Technical College
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-07-14
Anticipated expiration: 2030-03-02

Abstract

The utility model relates to a teaching appurtenance technical field specifically is a public address set is used in commercial english teaching convenient to wear, including the megaphone body, the both sides of megaphone body all are provided with the bandage around the reel, and the bandage is retrieved the inside rotation of inner chamber around the bandage of reel and is connected with the winding reel pole of axiality, has the bandage around the book in the outside of winding reel pole, and beneficial effect is: the utility model discloses carry out the lock with the eye-splice head end and the eye-splice card end of two bandage tip, can hang the megaphone body and establish at the waist, the bandage is around the winding drum in the winding drum around the winding drum axle rod under the effect of clockwork spring back force that resets, give around a rotatory effort that resets of winding drum axle rod to carry out the winding with unnecessary bandage, make the megaphone body closely hang and establish at user's waist.

Description

Public address set is used in teaching of commercial affairs english convenient to wear

Technical Field

The utility model relates to a teaching appurtenance technical field specifically is a public address set is used in business english teaching convenient to wear.

Background

When English teaching is carried out, in order to enable students to clearly hear the content of the lectures, the students can use larger sound to lecture, and the throat of a teacher can be hoarse and inflamed easily due to long-time lectures, so that the physical health of the teacher is influenced. Usually the mr all can carry the microphone supplementary teaching of imparting knowledge to students, and the microphone passes through the waistband ligature and connects at mr's waist during the use, and when the microphone was not used, need dismantle the waistband or fold and retrieve, and it is comparatively inconvenient to carry of microphone.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a public address set is used in commercial affairs english teaching convenient to wear to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a public address set is used in commercial affairs english teaching convenient to wear, includes the megaphone body, the both sides of megaphone body all are provided with the bandage around the reel, and the bandage is the cylinder that the vertical direction set up for the axial around the reel, and the bandage is the bandage around the upper portion inner chamber of reel and retrieves the inner chamber, and the bandage is retrieved the inside rotation of inner chamber and is connected with the degree of coaxiality around the roll shaft pole, has the bandage around rolling up around the outside of roll shaft pole, the bandage export has been seted up around the lateral wall of reel to the bandage, and bandage one end is followed the bandage export.

Preferably, the end parts of the binding bands arranged on the two sides of the winding drum of the binding band are respectively provided with an inserting buckle head end and an inserting buckle clamping end, and the inserting buckle head end and the inserting buckle clamping end are matched and buckled.

Preferably, the bandage is the inner chamber that kick-backs around the inner chamber lower part of reel, and the inside of kick-back inner chamber is provided with the clockwork spring that resets, and the clockwork spring that resets is set up in the lower extreme outside around the roll shaft pole around rolling up, and resets and connect the inner wall around roll shaft pole outer wall and kick-back inner chamber.

Preferably, the both sides of the lower surface of megaphone body all rotate and are connected with the toggle pin pole, and the lower extreme integrated into one piece of toggle pin pole has the support base, and the one end of supporting base length direction is connected with the lower extreme of toggle pin pole.

Preferably, the upper end of the loudspeaker body is provided with a lifting handle, and an anti-slip rubber layer is sleeved outside the lifting handle.

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

1. the utility model fastens the eye-splice head ends and the eye-splice card ends of the two ends of the bandage, so that the loudspeaker body can be hung on the waist, and the winding shaft rod of the bandage winding drum gives a reset rotating acting force to the winding shaft rod under the action of the reset spring-back force, thereby winding the redundant bandage and leading the loudspeaker body to be closely hung on the waist of a user;

2. when the utility model discloses when not using, the bandage is completely by being wound up around the reel pole, and in the interior chamber was retrieved to the inside bandage of income bandage winding reel, it was in disorder to prevent the bandage, convenient to carry.

Drawings

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

fig. 2 is a front view of the structure of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a side view of the structure of the present invention.

In the figure: the loudspeaker comprises a loudspeaker body 1, a binding belt winding drum 2, a binding belt 3, a plug buckle head end 4, a plug buckle clamping end 5, a lifting handle 6, a toggle pin rod 7, a support base 8, a binding belt recycling inner cavity 9, a winding shaft rod 10, a rebound inner cavity 11 and a reset spring 12.

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 to 4, the present invention provides a technical solution: a conveniently-worn sound amplification device for business English teaching comprises a sound amplification device body 1, as shown in a combined drawing 1 and a drawing 2, both sides of the sound amplification device body 1 are respectively provided with a bandage winding drum 2, the bandage winding drum 2 is a cylinder body which is arranged in a vertical direction along the axial direction, an upper inner cavity of the bandage winding drum 2 is a bandage recovery inner cavity 9, the inside of the bandage recovery inner cavity 9 is rotatably connected with a winding drum shaft rod 10 with coaxiality, a bandage 3 is wound outside the winding drum shaft rod 10, the outer side wall of the bandage winding drum 2 is provided with a bandage outlet, one end of the bandage 3 penetrates out along the bandage outlet of the bandage winding drum 2, by encircling the two binding bands 3 at the two sides of the loudspeaker body 1 between the waist, the end parts of the two binding bands 3 are respectively provided with a plug-in buckle head end 4 and a plug-in buckle end 5, and the plug-in buckle head end 4 and the plug-in buckle clamping end 5 are matched and buckled properly, so that the loudspeaker body 1 is hung on the waist.

As shown in fig. 3, the inner chamber lower part of bandage winding reel 2 is resilience inner chamber 11, the inside of resilience inner chamber 11 is provided with the clockwork spring 12 that resets, the clockwork spring 12 that resets is set up in the lower extreme outside around reel pole 10 around rolling up the axle, and reset clockwork spring 12 and connect the inner wall around reel pole 10 outer wall and resilience inner chamber 11, under the effect of the clockwork spring 12 that resets torsional springback force, give around the rotatory effort that resets of reel pole 10, thereby wind the book with unnecessary bandage 3, make megaphone body 1 closely hang and establish at user's waist, and when the utility model discloses when not using, bandage 3 is completely wound up around reel pole 10, in income bandage winding reel 2 inside bandage retrieves inner chamber 9, prevents that bandage 3 is in disorder, convenient to carry.

Combine as shown in fig. 2 and fig. 4, the lower surface both sides of megaphone body 1 are all rotated and are connected with toggle pin 7, and toggle pin 7's lower extreme integrated into one piece has a support base 8, and the one end of supporting base 8 length direction is connected with toggle pin 7's lower extreme, will support base 8 and pull to as shown in fig. 4, be convenient for with the utility model discloses place, the upper end of megaphone body 1 is provided with and carries and carry hand (hold) 6, and carries the outside cover of hand (hold) 6 and be equipped with the non-slip rubber layer, and be convenient for right the utility model discloses carry on handheld carrying.

The working principle is as follows: the utility model discloses when using, draw out and encircle the waist with bandage 3 that the bandage was wound up in reel 2 of 1 both sides of megaphone body, buckle end 4 and eye-splice card end 5 with two bandage 3 tip, can hang up megaphone body 1 at the waist, the winding shaft pole 10 of bandage in reel 2 is under the effect of clockwork spring 12 torsion resilience power that resets, give the effort of a rotation that resets around winding shaft pole 10, thereby wind up unnecessary bandage 3, make megaphone body 1 hang up in user's waist closely, and when the utility model discloses when not using, bandage 3 is completely wound up by winding shaft pole 10, in the bandage recovery inner chamber 9 of income reel 2 inside, prevent that bandage 3 from scattering, convenient to carry; it is shown as figure 4 to turn to support base 8, be convenient for with the utility model discloses place, the upper end of megaphone body 1 is provided with carries and draws hand (hold) 6, is convenient for right the utility model discloses carry on handheld carrying.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a public address set is used in teaching of business english convenient to wear, includes megaphone body (1), its characterized in that: the both sides of megaphone body (1) all are provided with the bandage around reel (2), and the bandage is the cylinder that the vertical direction set up around reel (2) for the axial, and the bandage is retrieved inner chamber (9) for the bandage around the upper portion inner chamber of reel (2), and the bandage is retrieved inner chamber (9) inside and is rotated the winding reel pole (10) that is connected with the axiality, has bandage (3) around rolling up around the outside of winding reel pole (10), the bandage export has been seted up around the lateral wall of reel (2) to the bandage, and bandage (3) one end is followed the bandage export of bandage around reel (2) and is run through out.

2. The portable public address set for business english teaching of claim 1, wherein: the end parts of the binding bands (3) arranged on the two sides of the binding band winding drum (2) are respectively provided with an inserting buckle head end (4) and an inserting buckle clamping end (5), and the inserting buckle head end (4) and the inserting buckle clamping end (5) are matched and buckled.

3. The portable public address set for business english teaching of claim 1, wherein: the bandage is around the inner chamber lower part of reel (2) for kick-back inner chamber (11), and the inside of kick-back inner chamber (11) is provided with clockwork spring (12) that resets, and reset clockwork spring (12) and set up in the lower extreme outside around the axostylus axostyle (10) around rolling up, and reset clockwork spring (12) and connect the inner wall around axostylus axostyle (10) outer wall and kick-back inner chamber (11).

4. The portable public address set for business english teaching of claim 1, wherein: the loudspeaker is characterized in that two sides of the lower surface of the loudspeaker body (1) are rotatably connected with a toggle pin rod (7), a supporting base (8) is integrally formed at the lower end of the toggle pin rod (7), and one end of the supporting base (8) in the length direction is connected with the lower end of the toggle pin rod (7).

5. The portable public address set for business english teaching of claim 1, wherein: the loudspeaker is characterized in that a lifting handle (6) is arranged at the upper end of the loudspeaker body (1), and an anti-slip rubber layer is sleeved outside the lifting handle (6).