Portable gramophone with bottom leveling structure

Abstract

The utility model belongs to the technical field of hand-held gramophones, and particularly relates to a hand-held gramophone with a bottom leveling structure, which comprises a hand-held gramophone box body, one end of the hand-held gramophone box body is hinged with a box cover, the top of the hand-held gramophone box body is provided with a tone arm and a tone tuning knob, and the bottom of the hand-held gramophone box body is hinged with the box cover. According to the handheld gramophone, the rotating rod is rotated through the adjusting knob, at the moment, due to the fact that the first bevel gear and the second bevel gear are in the meshing relation, the lead screw is driven to rotate together, and the handheld gramophone can be used for carrying the handheld gramophone, so that the handheld gramophone can be used for carrying the handheld gramophone, and the handheld gramophone can be used for carrying the handheld gramophone. Threaded connecting blocks in threaded connection with the outer walls of the lead screws can ascend and descend along the sliding grooves under the action of the sliding blocks, then the supporting leg frames are driven to be adjusted in a telescopic mode, and a user only needs to adjust the four supporting leg frames according to the concave-convex condition of the table top, so that the portable gramophone box body can be kept in a stable state. Therefore, the use effect of the portable gramophone box body is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of portable phonographs, in particular to a portable phonograph with a bottom leveling structure. Background Art

[0002] The portable phonograph, also known as a portable phonograph, is a music playing device with a unique historical and cultural background. The portable phonograph originated in the late 19th century and early 20th century, and evolved from the phonograph invented by the German inventors Emile Berni brothers in 1877.

[0003] At present, the existing portable phonograph usually needs to be placed stably on a table during use. However, during placement, the table may be tilted or concave, causing the four corners of the bottom of the portable phonograph to be suspended in the air. In this case, the normal use of the portable phonograph may be affected, and the timbre of the phonograph may be deteriorated. Utility Model Content

[0004] The utility model aims to provide a portable phonograph with a bottom leveling structure, aiming to solve the problem that the existing portable phonograph usually needs to be placed stably on a table during use, but during the placement, the table may be tilted or concave, so that the four corners of the bottom of the portable phonograph appear to be suspended, which may affect the normal use of the portable phonograph and may cause the timbre of the phonograph to deteriorate.

[0005] To achieve the above object, the utility model provides the following technical solution: a portable phonograph with a bottom leveling structure, comprising a portable phonograph case, one end of the portable phonograph case is hinged with a case cover, the top of the portable phonograph case is provided with a tone arm and a tuning knob, the surface of the portable phonograph case is provided with a speaker, and the outer wall of the portable phonograph case is provided with a carrying handle;

[0006] Four connecting frames are connected to the bottom of the portable phonograph case, and screw rods are arranged on the inner sides of the four connecting frames. The outer walls of the screw rods are threadedly connected to threaded connecting blocks, and the outer walls of the threaded connecting blocks are connected to the supporting brackets. One end of the screw rod is connected to a first bevel gear, and one end of the connecting frame is penetrated by a rotating rod, and the two ends of the rotating rod are respectively connected to a second bevel gear and an adjusting knob.

[0007] As a preferred embodiment of the portable phonograph with a bottom leveling structure of the utility model, the first bevel gear is meshed with the second bevel gear.

[0008] As a preferred embodiment of the portable phonograph with a bottom leveling structure of the utility model, the end of the screw rod forms a rotation connection structure with the connecting frame through a bearing.

[0009] As a preferred embodiment of the portable phonograph with a bottom leveling structure of the utility model, the outer wall of the threaded connection block is connected with a sliding block, and the outer wall of the connection frame is provided with a sliding groove.

[0010] As a preferred embodiment of the portable phonograph with a bottom leveling structure of the utility model, the threaded connection block can form a sliding connection structure with the connection frame through a sliding block and a sliding groove.

[0011] As a preferred embodiment of the portable phonograph with a bottom leveling structure of the utility model, the outer walls of the four connecting frames are provided with scales, and the outer wall of the threaded connecting block is connected with an indicating rod.

[0012] As a preferred embodiment of the portable phonograph with a bottom leveling structure of the utility model, the indicating rod is fitted with a scale on the outer wall of the connecting frame.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] By turning the rotating rod through the adjustment knob, the first bevel gear and the second bevel gear are in meshing relationship, thus driving the lead screw to rotate together, and the threaded connection block threadedly connected on the outer wall of the lead screw will move up and down along the slide groove under the action of the slider, thereby driving the tripod to be telescopically adjusted. The user only needs to adjust the four tripods according to the unevenness of the table surface to keep the portable phonograph case in a stable state, thereby improving the use effect of the portable phonograph case.

[0015] By arranging an indicating rod on the outer wall of the threaded connection block, when the threaded connection block moves up and down, the scale will move along the scale, so that the user can accurately adjust the four support brackets to the appropriate position. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a three-dimensional bottom-up structural schematic diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the main structure of the utility model;

[0020] Figure 4 A is a schematic diagram of the enlarged structure of the utility model;

[0021] Figure 5 It is a schematic diagram of the B enlarged structure of the utility model.

[0022] In the figure: 1. portable phonograph case; 2. case cover; 3. tone arm; 4. tuning knob; 5. speaker; 6. carrying handle; 7. connecting frame; 8. screw rod; 9. threaded connecting block; 10. tripod; 11. first cone gear; 12. rotating rod; 13. second cone gear; 14. adjusting knob; 15. slider; 16. slide groove; 17. scale; 18. indicator rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 The utility model provides the following technical solutions: a portable phonograph with a bottom leveling structure, comprising a portable phonograph case 1, a case cover 2 is hingedly connected to one end of the portable phonograph case 1, a tone arm 3 and a tuning knob 4 are arranged on the top of the portable phonograph case 1, a speaker 5 is arranged on the surface of the portable phonograph case 1, and a carrying handle 6 is installed on the outer wall of the portable phonograph case 1;

[0025] The bottom of the portable phonograph case 1 is connected with four connecting frames 7, the inner sides of the four connecting frames 7 are provided with screw rods 8, the outer walls of the screw rods 8 are threadedly connected with threaded connecting blocks 9, the outer walls of the threaded connecting blocks 9 are connected with supporting legs 10, one end of the screw rods 8 is connected with a first bevel gear 11, one end of the connecting frame 7 is penetrated by a rotating rod 12, and the two ends of the rotating rod 12 are respectively connected with a second bevel gear 13 and an adjusting knob 14.

[0026] Preferably, the first bevel gear 11 is meshed with the second bevel gear 13 , and the end of the screw rod 8 forms a rotation connection structure with the connecting frame 7 via a bearing.

[0027] During specific use, the rotating rod 12 is rotated by adjusting the knob 14. At this time, since the first bevel gear 11 and the second bevel gear 13 are in meshing relationship, the screw rod 8 will be driven to rotate together, and the threaded connection block 9 threadedly connected on the outer wall of the screw rod 8 will move up and down along the slide groove 16 under the action of the slider 15, thereby driving the tripod 10 to be telescopically adjusted. The user only needs to adjust the four tripods 10 according to the unevenness of the table surface to keep the portable phonograph case 1 in a stable state.

[0028] Preferably, the outer wall of the threaded connection block 9 is connected with a slider 15 , and the outer wall of the connection frame 7 is provided with a slide groove 16 . The threaded connection block 9 can form a sliding connection structure with the connection frame 7 through the slider 15 and the slide groove 16 .

[0029] During specific use, the slider 15 and the slide groove 16 can play a guiding role when the threaded connection block 9 moves.

[0030] Preferably, the outer walls of the four connecting frames 7 are provided with scales 17 , the outer wall of the threaded connecting block 9 is connected with an indicator rod 18 , and the indicator rod 18 fits with the scales 17 on the outer wall of the connecting frame 7 .

[0031] During specific use, by setting an indicator rod 18 on the outer wall of the threaded connection block 9, when the threaded connection block 9 moves up and down, the scale 17 will move along the scale 17, so that the user can accurately adjust the four tripods 10 to the appropriate position.

[0032] Working principle: First, place the portable phonograph case 1 on the table. Then, when it is necessary to level the bottom of the portable phonograph case 1, turn the rotating rod 12 by adjusting the knob 14. At this time, since the first bevel gear 11 and the second bevel gear 13 are in meshing relationship, the screw rod 8 will be driven to rotate together, and the threaded connection block 9 threadedly connected on the outer wall of the screw rod 8 will move up and down along the slide groove 16 under the action of the slider 15, thereby driving the tripod 10 to be telescopically adjusted. The user only needs to adjust the four tripods 10 according to the unevenness of the table to keep the portable phonograph case 1 stable, thereby improving the use effect of the portable phonograph case 1, and by arranging an indicator rod 18 on the outer wall of the threaded connection block 9, when the threaded connection block 9 is moved up and down, the scale 17 will move along the scale 17, so that the user can accurately adjust the four tripods 10 to the appropriate position.

[0033] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A portable phonograph with a bottom leveling structure, comprising a portable phonograph case (1), characterized in that: A case cover (2) is hingedly connected to one end of the portable phonograph case (1); a tuning arm (3) and a tuning knob (4) are arranged on the top of the portable phonograph case (1); a speaker (5) is arranged on the surface of the portable phonograph case (1); and a carrying handle (6) is installed on the outer wall of the portable phonograph case (1); The bottom of the portable phonograph case (1) is connected to four connecting frames (7), the inner sides of the four connecting frames (7) are provided with screw rods (8), the outer walls of the screw rods (8) are threadedly connected to threaded connecting blocks (9), the outer walls of the threaded connecting blocks (9) are connected to a tripod (10), one end of the screw rod (8) is connected to a first bevel gear (11), one end of the connecting frame (7) is penetrated by a rotating rod (12), and the two ends of the rotating rod (12) are respectively connected to a second bevel gear (13) and an adjusting knob (14).

2. A portable phonograph with a bottom leveling structure according to claim 1, characterized in that: The first bevel teeth (11) are meshed with the second bevel teeth (13).

3. A portable phonograph with a bottom leveling structure according to claim 1, characterized in that: The end of the screw rod (8) forms a rotationally connected structure with the connecting frame (7) via a bearing.

4. A portable phonograph with a bottom leveling structure according to claim 1, characterized in that: The outer wall of the threaded connection block (9) is connected to a sliding block (15), and the outer wall of the connection frame (7) is provided with a sliding groove (16).

5. A portable phonograph with a bottom leveling structure according to claim 4, characterized in that: The threaded connection block (9) can form a sliding connection structure with the connection frame (7) via a slider (15) and a slide groove (16).

6. A portable phonograph with a bottom leveling structure according to claim 4, characterized in that: The outer walls of the four connecting frames (7) are provided with scales (17), and the outer wall of the threaded connecting block (9) is connected to an indicating rod (18).

7. A portable phonograph with a bottom leveling structure according to claim 6, characterized in that: The indicating rod (18) fits in contact with the scale (17) on the outer wall of the connecting frame (7).

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