CN211554189U

CN211554189U - Simple telescopic earphone

Info

Publication number: CN211554189U
Application number: CN201922269147.1U
Authority: CN
Inventors: 袁沛权
Original assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-09-22
Anticipated expiration: 2029-12-17

Abstract

The utility model belongs to the technical field of cable maintenance, in particular to a simple telescopic earphone, which comprises an earmuff, one side of the earmuff is fixedly connected with a fixed rod, one end of the fixed rod, which is far away from the earmuff, is provided with a movable telescopic groove, one end, which is far away from the notch of the movable telescopic groove, in the movable telescopic groove is rotatably provided with a rotating shaft, and a control line is wound on the rotating shaft; through setting up dead lever, movable rod, can make this device carry out the regulation of whole length to not only be applicable to the cable of the different degree of depth and look for, conveniently carry moreover, through setting up handle, pivot, control line, loose axle, slide rail and control lever, the switch of earphone can be adjusted through the handle, thereby conveniently plugs into this device in the aperture of cement slab lid, and then improves the practicality of this device.

Description

Simple telescopic earphone

Technical Field

The utility model belongs to the technical field of the cable is maintained, concretely relates to simple and easy scalable earphone.

Background

At present, in the process of searching for 10kV cable faults, most cables are covered by a cement plate of an electric well, when the cables have the fault points, the cables can make a sound in the pressurizing process, due to unpredictability in the cable laying process, after the fault length is determined, the fault point range needs to be determined by manually hearing the sound, in the past, people are required to open the cement plate cover, and the physical power consumption and the time consumption are both realized.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a simple and easy scalable earphone has the characteristics that improve the efficiency of construction.

In order to achieve the above object, the utility model provides a following technical scheme: a simple telescopic earphone comprises earmuffs, wherein a fixed rod is fixedly connected to one side of each earmuff; a movable telescopic groove is formed in one end, far away from the ear muffs, of the fixed rod, a rotating shaft is rotatably mounted at one end, far away from the notch of the movable telescopic groove, in the movable telescopic groove, and a control wire is wound on the rotating shaft; one end of the rotating shaft penetrates through the groove wall of the movable telescopic groove, extends out of the fixed rod and is fixedly connected with a handle;

a hollow movable rod is telescopically and slidably connected in the movable telescopic groove, and one end of the movable rod, which is far away from the fixed rod, is fixedly connected with a receiver and a slide rail; the sliding rail is connected with a movable shaft in a sliding manner;

the earphone comprises a horn through hole which is communicated with two ends of the earphone, and the slide rail can extend into the horn through hole; two control rods are symmetrically arranged on the inner side wall of the horn through hole; one opposite ends of the two control rods are rotatably sleeved on a movable shaft; the other ends of the two control rods, which are deviated from each other, are rotatably connected with the telephone receiver;

one end of the control line is fixed on the rotating shaft, and the other end of the control line penetrates through the two ends of the movable rod and is fixedly connected with the movable shaft.

Optionally, the edge of the inner side wall of the horn through hole is fixedly connected with two connecting plates;

each connecting plate is fixedly connected with a pin shaft; the other end of the control rod is rotatably sleeved on the pin shaft.

Optionally, a bearing is fixedly connected to a groove wall of the movable telescopic groove, and the rotating shaft is sleeved in the bearing.

Optionally, a sliding groove communicated to the inner cavity of the movable rod is formed in the outer side wall of the movable rod along the length direction of the movable rod; the sliding chute is connected with a sliding block in a sliding manner, and the sliding block is fixedly arranged on the chute wall of the movable telescopic chute;

optionally, the movable rod comprises a first telescopic rod and a second telescopic rod which are sleeved, and the second telescopic rod is telescopically sleeved in the first telescopic rod; the first telescopic rod is telescopically sleeved in the fixed rod.

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

through setting up dead lever, movable rod, can make this device carry out the regulation of whole length to not only be applicable to the cable of the different degree of depth and look for, conveniently carry moreover, through setting up handle, pivot, control line, loose axle, slide rail and control lever, the switch of earphone can be adjusted through the handle, thereby conveniently plugs into this device in the aperture of cement slab lid, and then improves the practicality of this device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic structural view of a front view section of the present invention;

fig. 2 is a schematic structural diagram of a side view of the receiver of the present invention;

FIG. 3 is a schematic structural view of the position A of the present invention;

FIG. 4 is a schematic view of the structure of the middle B of the present invention

In the figure: 1. ear muffs; 2. fixing the rod; 3. a movable rod; 4. a handset; 5. a slide rail; 6. a control line; 7. a connecting plate; 8. a control lever; 9. a movable shaft; 10. a pin shaft; 11. a bearing; 12. a rotating shaft; 13. a handle; 14. a chute; 15. a slide block.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a simple telescopic headphone comprises earmuffs 1, wherein one side of each earmuff 1 is fixedly connected with a fixed rod 2; a movable telescopic groove is formed in one end, far away from the ear muff 1, of the fixed rod 2, a rotating shaft 12 is rotatably mounted at one end, far away from the notch of the movable telescopic groove, in the movable telescopic groove, and a control wire 6 is wound on the rotating shaft 12; one end of the rotating shaft 12 penetrates through the wall of the movable telescopic groove, extends out of the fixed rod 2 and is fixedly connected with a handle 13; the switch of earphone 4 can be adjusted through handle 13 to this device is packed into to the convenience in the aperture of cement board lid, and then improves the practicality of this device.

A hollow movable rod 3 is telescopically and slidably connected in the movable telescopic groove, and a receiver 4 and a slide rail 5 are fixedly connected at one end of the movable rod 3 far away from the fixed rod 2; the slide rail 5 is connected with a movable shaft 9 in a sliding way;

the receiver 4 comprises a horn through hole which penetrates through two ends of the receiver 4, and the slide rail 5 can extend into the horn through hole; two control rods 8 are symmetrically arranged on the inner side wall of the horn through hole; one opposite ends of the two control rods 8 are rotatably sleeved on a movable shaft 9; the other ends of the two control rods 8 which are deviated from each other are rotatably connected with the receiver 4;

one end of the control wire 6 is fixed on the rotating shaft 12, and the other end of the control wire 6 penetrates through two ends of the movable rod 3 and is fixedly connected with the movable shaft 9.

Specifically, the edge of the inner side wall of the horn through hole is fixedly connected with two connecting plates 7;

each connecting plate 7 is fixedly connected with a pin shaft 10; the other end of the control rod 8 is rotatably sleeved on the pin shaft 10.

Specifically, a bearing 11 is fixedly connected to a groove wall of the movable telescopic groove, and the rotating shaft 12 is sleeved in the bearing 11.

Specifically, a sliding groove 14 communicated to an inner cavity of the movable rod 3 is formed in the outer side wall of the movable rod 3 along the length direction of the movable rod 3; a sliding block 15 is connected in the sliding groove 14 in a sliding manner, and the sliding block 15 is fixedly arranged on the groove wall of the movable telescopic groove;

specifically, the movable rod 3 comprises a first telescopic rod and a second telescopic rod which are sleeved in a telescopic manner, and the second telescopic rod is sleeved in the first telescopic rod in a telescopic manner; the first telescopic rod is telescopically sleeved in the fixed rod 2. The multistage telescopic link can make this device carry out the regulation of whole length to not only be applicable to the cable of the different degree of depth and look for, conveniently carry moreover.

The utility model discloses a theory of operation and use flow: the utility model discloses during the use, at first through the rotatory pivot 12 of handle 13, make pivot 12 drive control line 6 rotatory in bearing 11's inside, then drive loose axle 9 and move in the inside of slide rail 5, make earphone 4 return and contract, after that, take up this device, make 4 one ends of earphone insert in the aperture of cement apron, loosen handle 13 after that, make loose axle 9 move down under the effect of gravity, thereby open earphone 4, after that according to the difference of the degree of depth, adjust the length that stretches out of movable rod 3 at dead lever 2, the ear leans on the surface at earmuff 1 after that, confirm the sound source, confirm the completion back, make earphone 4 reduce through the length that handle 13 adjusted control line 6, then take out this device can.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a simple and easy scalable earphone, includes ear muff (1), its characterized in that: one side of each ear shield (1) is fixedly connected with a fixed rod (2); a movable telescopic groove is formed in one end, far away from the earmuffs (1), of the fixed rod (2), a rotating shaft (12) is rotatably mounted at one end, far away from the notch of the movable telescopic groove, and a control wire (6) is wound on the rotating shaft (12); one end of the rotating shaft (12) penetrates through the groove wall of the movable telescopic groove, extends out of the fixed rod (2), and is fixedly connected with a handle (13);

a hollow movable rod (3) is telescopically and slidably connected in the movable telescopic groove, and a receiver (4) and a slide rail (5) are fixedly connected to one end, far away from the fixed rod (2), of the movable rod (3); the sliding rail (5) is connected with a movable shaft (9) in a sliding way;

the earphone (4) comprises a horn through hole which penetrates through two ends of the earphone (4), and the sliding rail (5) extends into the horn through hole; two control rods (8) are symmetrically arranged on the inner side wall of the horn through hole; one opposite ends of the two control rods (8) are rotatably sleeved on a movable shaft (9); the other ends of the two control rods (8) which are deviated from each other are rotatably connected with the receiver (4);

one end of the control wire (6) is fixed on the rotating shaft (12), and the other end of the control wire (6) penetrates through the two ends of the movable rod (3) and is fixedly connected with the movable shaft (9).

2. The simple retractable earpiece of claim 1, wherein: the edge of the inner side wall of the horn through hole is fixedly connected with two connecting plates (7);

each connecting plate (7) is fixedly connected with a pin shaft (10) respectively; the other end of the control rod (8) is rotatably sleeved on the pin shaft (10).

3. The simple retractable earpiece of claim 1, wherein: and a bearing (11) is fixedly connected to the wall of the movable telescopic groove, and the rotating shaft (12) is sleeved in the bearing (11).

4. The simple retractable earpiece of claim 1, wherein: a sliding groove (14) communicated to the inner cavity of the movable rod (3) is formed in the outer side wall of the movable rod (3) along the length direction of the movable rod (3); and a sliding block (15) is connected in the sliding groove (14) in a sliding manner, and the sliding block (15) is fixedly arranged on the groove wall of the movable telescopic groove.

5. The simple retractable earpiece of claim 1, wherein: the movable rod (3) comprises a first telescopic rod and a second telescopic rod which are sleeved, and the second telescopic rod is sleeved in the first telescopic rod in a telescopic manner; the first telescopic rod is telescopically sleeved in the fixed rod (2).