CN212379987U - English word reviewer - Google Patents
English word reviewer Download PDFInfo
- Publication number
- CN212379987U CN212379987U CN202020363845.8U CN202020363845U CN212379987U CN 212379987 U CN212379987 U CN 212379987U CN 202020363845 U CN202020363845 U CN 202020363845U CN 212379987 U CN212379987 U CN 212379987U
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- CN
- China
- Prior art keywords
- telescopic
- telescopic link
- telescopic rod
- positioning block
- adjusting screw
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses an english word reviewer relates to the supplementary teaching technical field of english. The utility model discloses a two earphones, first flexible groove has all been seted up to the inside of two earphones, first telescopic link is all installed to the inboard in first flexible groove, the flexible groove of second has all been seted up to the inboard of first telescopic link, the second telescopic link is installed to the inboard in the flexible groove of one of them second, the third telescopic link is installed to the inboard in the flexible groove of another second, the second telescopic link is connected with first locating piece with the equal hot melt of one end of third telescopic link, the bottom hot melt of first telescopic link is connected with the second locating piece, the one end of third telescopic link integrated into one piece that moulds plastics has the lug, adjusting screw is installed to one side of second telescopic link, soft leather sheath has been cup jointed in the outside of earphone one side. The utility model discloses a series of designs make the device carry convenience more, and can effectively reduce the device and use the dynamics of pressing from both sides the ear.
Description
Technical Field
The utility model relates to an english auxiliary teaching technical field, more specifically say, relate to an english word reviewer.
Background
When the student recites the word generally be the hand hold the book or write on paper, it is indiscriminate how kind of oneself memory, can make student's interest in learning reduce like this, current student mostly can use the repeater to go on when carrying out the language word review exercise, and the earphone that current repeater was worn can mostly not fold to make the earphone can not convenient carry, and current earphone can make the student feel the ear clip when wearing for a long time mostly, the utility model discloses a new solution has been proposed to above problem.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide an english word reviewer to solve the technical problem who mentions in the background art.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
The utility model provides an english word reviewer, includes two earphones, two first flexible groove has all been seted up to the inside of earphone, first telescopic link is all installed to the inboard in first flexible groove, the flexible groove of second has all been seted up to the inboard of first telescopic link, one of them the second telescopic link is installed, another to the inboard in the flexible groove of second the third telescopic link is installed to the inboard in the flexible groove of second, the second telescopic link is connected with first locating piece with the equal hot melt of one end of third telescopic link, the bottom hot melt of first telescopic link is connected with the second locating piece, the one end of third telescopic link is moulded plastics integrated into one piece and is had the lug, adjusting screw is installed to one side of second telescopic link, soft leather sheath has been cup jointed in the outside of earphone one side, the speaker is installed to the inside of earphone and the one side that is located first flexible groove.
Preferably, the inner diameter of the first telescopic groove is the same as the outer diameter of the second positioning block, the first telescopic groove is in clearance fit with the second positioning block, the inner diameter of the second telescopic groove is the same as the outer diameter of the first positioning block, and the second telescopic groove is in clearance fit with the first positioning block.
In any of the above schemes, preferably, a screw rod is arranged at one end of the adjusting screw, a circular through hole is formed at one end of the third telescopic rod, an internal threaded hole is formed at the other side of the third telescopic rod, an internal threaded hole is formed at one end of the bump, and the bump penetrates through one side of the third telescopic rod through the adjusting screw and is in threaded connection with the bump.
In any of the above schemes, preferably, the other end of the adjusting screw is welded and connected with a moment iron sheet.
In any of the above schemes, preferably, a speaker hole is formed at one side of the earphone and at one side of the speaker.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) when the utility model is used, the second telescopic rod can slide in the second telescopic groove arranged in the first telescopic rod by pulling the second telescopic rod, the positioning is carried out by the first positioning block, the second telescopic rod is pulled outwards to drive the first telescopic rod to slide in the first telescopic groove arranged in the earphone, the positioning is carried out by the second positioning block, when the length is adjusted, the external thread at one end of the adjusting screw is separated from the internal thread arranged at one end of the lug by rotating the adjusting screw, the second telescopic rod and the third telescopic rod are respectively pulled outwards, the device is arranged on the head, the second telescopic rod and the third telescopic rod are fixed by rotating the adjusting screw, the distance between the two earphones can be more conveniently adjusted according to the size of the head of a student by increasing the adjusting screw, thereby effectively reducing the force of clamping ears when students wear the device;
(2) the utility model discloses after using the completion, earlier take off the device from the head, rotatory adjusting screw of rethread, the internal thread separation that the external screw thread that makes adjusting screw one end and lug one end were seted up, push the inside of first telescopic link with second telescopic link and third telescopic link again, push the inside of earphone with first telescopic link again, at last rethread rotatory adjusting screw is fixed second telescopic link and third telescopic link, design through first telescopic link and second telescopic link makes the device can be folding in the completion of using, thereby make carrying convenience more of device.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the overall structure of the utility model after being folded;
FIG. 3 is a front view of the overall structure of the present invention;
fig. 4 is a top view of the overall structure of the present invention;
fig. 5 is a schematic view of a connection structure of the second telescopic rod and the third telescopic rod of the present invention.
The reference numbers in the figures illustrate:
1. an earphone; 2. a first telescopic rod; 3. a second telescopic rod; 4. a third telescopic rod; 5. a soft leather sheath; 6. A sound-raising hole; 7. a bump; 8. adjusting screws; 9. a first telescopic slot; 10. a second telescopic slot; 11. a first positioning block; 12. a second positioning block; 13. a loudspeaker.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected," may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements.
The specific embodiment is as follows:
referring to fig. 1-5, an english word review device comprises two earphones 1, wherein the two earphones 1 are respectively provided with a first telescopic slot 9, the inner sides of the first telescopic slots 9 are respectively provided with a first telescopic rod 2, the inner sides of the first telescopic rods 2 are respectively provided with a second telescopic slot 10, the inner side of one second telescopic slot 10 is provided with a second telescopic rod 3, the inner side of the other second telescopic slot 10 is provided with a third telescopic rod 4, one end of each of the second telescopic rod 3 and the third telescopic rod 4 is respectively connected with a first positioning block 11 in a hot melting manner, the bottom end of the first telescopic rod 2 is connected with a second positioning block 12 in a hot melting manner, one end of the third telescopic rod 4 is integrally formed with a projection 7 in an injection manner, one side of the second telescopic rod 3 is provided with an adjusting screw 8, the outer side of one side of the earphones 1 is sleeved with a soft leather sheath 5, one side of the earphones 1 and the other side, the soft leather sheath 5 is sleeved on the outer side of one side of the earphone 1, and the sound raising hole 6 is formed in one side of the earphone 1 and one side of the loudspeaker 13.
In this embodiment, a soft leather case 5 is fitted to the outer side of the earphone 1 to make the wearing of the device more comfortable.
In this embodiment, in order to enable the device to be folded and contracted, the inner diameter of the first telescopic slot 9 is the same as the outer diameter of the second positioning block 12, the first telescopic slot 9 is in clearance fit with the second positioning block 12, the inner diameter of the second telescopic slot 10 is the same as the outer diameter of the first positioning block 11, and the second telescopic slot 10 is in clearance fit with the first positioning block 11.
In this embodiment, in order to adjust the tightness of the device, one end of the adjusting screw 8 is provided with a screw rod, one end of the third telescopic rod 4 is provided with a circular through hole, the other side of the third telescopic rod 4 is provided with an internal thread hole, one end of the bump 7 is provided with an internal thread hole, and the bump 7 is in threaded connection with the bump 7 through one side of the adjusting screw 8 penetrating through the third telescopic rod 4.
In the present embodiment, a saw-tooth iron piece is welded to the other end of the adjusting screw 8 in order to more conveniently rotate the adjusting screw 8.
In this embodiment, in order to improve the broadcasting effect of the device, the speaker hole 6 is opened on one side of the earphone 1 and on one side of the speaker 13.
The working principle is as follows:
when the length-adjustable earphone is used, the second telescopic rod 3 is pulled to slide in a second telescopic groove 10 formed in the first telescopic rod 2, the second telescopic rod 3 is positioned by a first positioning block 11, the second telescopic rod 3 is pulled outwards to drive the first telescopic rod 2 to slide in a first telescopic groove 9 formed in the earphone 1, the second positioning block 12 is used for positioning, after the length is adjusted, the adjusting screw 8 is rotated to separate the external thread at one end of the adjusting screw 8 from the internal thread formed at one end of a lug 7, the second telescopic rod 3 and the third telescopic rod 4 are pulled outwards respectively, the device is assembled on a head of a user, the second telescopic rod 3 and the third telescopic rod 4 are fixed by rotating the adjusting screw 8, the distance between the two earphones 1 can be adjusted more conveniently according to the size of the head of the student by increasing the adjusting screw 8, thereby can effectually reduce the student and appear the dynamics of pressing from both sides the ear when wearing the device, after the use is accomplished, take off the device from the head earlier, rethread rotation adjusting screw 8, the internal thread separation that the external screw thread that makes 8 one ends of adjusting screw and 7 one ends of lug were seted up, push into the inside of first telescopic link 2 with second telescopic link 3 and third telescopic link 4 again, push into the inside of earphone 1 with first telescopic link 2 again, rethread rotation adjusting screw 8 is fixed second telescopic link 3 and third telescopic link 4 at last, design through first telescopic link 2 and second telescopic link 3 makes the device can accomplish folding in the use, thereby make the convenience more that carries of device.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. An English word review device comprises two earphones (1) and is characterized in that first telescopic grooves (9) are formed in the two earphones (1), first telescopic rods (2) are installed on the inner sides of the first telescopic grooves (9), second telescopic grooves (10) are formed in the inner sides of the first telescopic rods (2), a second telescopic rod (3) is installed on the inner side of one second telescopic groove (10), a third telescopic rod (4) is installed on the inner side of the other second telescopic groove (10), a first positioning block (11) is connected to one ends of the second telescopic rods (3) and the third telescopic rods (4) in a hot melting mode, a second positioning block (12) is connected to the bottom end of the first telescopic rod (2) in a hot melting mode, a convex block (7) is formed at one end of the third telescopic rod (4) in an injection molding mode, and an adjusting screw (8) is installed on one side of the second telescopic rods (3), soft leather sheath (5) have been cup jointed in the outside of earphone (1) one side, speaker (13) are installed to the inside of earphone (1) and the one side that is located first flexible groove (9).
2. The english word reviewer of claim 1, wherein: the inner diameter of the first telescopic groove (9) is the same as the outer diameter of the second positioning block (12), the first telescopic groove (9) is in clearance fit with the second positioning block (12), the inner diameter of the second telescopic groove (10) is the same as the outer diameter of the first positioning block (11), and the second telescopic groove (10) is in clearance fit with the first positioning block (11).
3. The english word reviewer of claim 1, wherein: the novel telescopic handle is characterized in that a screw rod is arranged at one end of the adjusting screw (8), a round through hole is formed in one end of the third telescopic rod (4), an internal thread hole is formed in the other side of the third telescopic rod (4), an internal thread hole is formed in one end of the lug (7), and the lug (7) is in threaded connection with the lug (7) through one side of the adjusting screw (8) penetrating through the third telescopic rod (4).
4. The english word reviewer of claim 1, wherein: the other end of the adjusting screw (8) is connected with a saw-tooth iron sheet in a welding mode.
5. The english word reviewer of claim 1, wherein: one side of the earphone (1) and one side of the loudspeaker (13) are provided with sound raising holes (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020363845.8U CN212379987U (en) | 2020-03-20 | 2020-03-20 | English word reviewer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020363845.8U CN212379987U (en) | 2020-03-20 | 2020-03-20 | English word reviewer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212379987U true CN212379987U (en) | 2021-01-19 |
Family
ID=74158962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020363845.8U Expired - Fee Related CN212379987U (en) | 2020-03-20 | 2020-03-20 | English word reviewer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212379987U (en) |
-
2020
- 2020-03-20 CN CN202020363845.8U patent/CN212379987U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210119 Termination date: 20210320 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |