Vertical piano rear key cover fixing structure and vertical piano

Abstract

The utility model relates to the technical field of pianos, and discloses a vertical piano rear key cover fixing structure and a vertical piano, and the vertical piano rear key cover fixing structure comprises a side arm, a rear key cover, a first fixing assembly and a second fixing assembly. The first fixing assembly comprises a first corner connector, a second corner connector, a stud and a fastener, the first corner connector is fixed to the side wall, facing the rear key cover, of the side arm, the stud is fixedly arranged on the first corner connector, the second corner connector is fixed to the end face of the rear key cover of the piano, a connecting hole used for being matched with the stud is formed in the second corner connector, the stud penetrates through the connecting hole, and the fastener is fixed to the end face of the rear key cover. External threads are arranged at the end, away from the first corner connector, of the stud, and the fastener is in threaded connection with the stud so that the second corner connector can be fastened to the first corner connector. The second fixing assembly comprises a buckle male end and a buckle female end clamped with the buckle male end, the buckle male end is fixedly arranged on the side wall, facing the rear key cover, of the side arm, and the buckle female end is fixedly arranged on the bottom face of the rear key cover.

Description

Technical Field

[0001] The utility model relates to the technical field of pianos, in particular to a rear key cover fixing structure of an upright piano and the upright piano. Background Art

[0002] Upright pianos are widely used due to their small size and low price. In existing upright pianos, the rear key cover is mounted between the piano's two side arms, with the front key cover hinged to the rear key cover. To prevent the front key cover from closing too quickly and injuring the user's fingers, existing upright pianos often have a descender installed on the side arms to slow the descent of the front key cover. However, as the front key cover descends, the descender increases the force exerted by the front key cover on the rear key cover, making it prone to loosening.

[0003] Therefore, there is an urgent need for a rear key cover fixing structure for an upright piano and an upright piano to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a fixing structure for a rear key cover of an upright piano and an upright piano, so that the rear key cover is not easy to loosen.

[0005] In order to achieve the above-mentioned object, the utility model provides a fixing structure for the rear key cover of an upright piano, comprising:

[0006] side arms;

[0007] Back key cover;

[0008] A first fixing assembly includes a first angle bracket, a second angle bracket, a stud, and a fastener, wherein the first angle bracket is fixedly disposed on a side wall of the side arm facing the rear key cover, the stud is fixedly disposed on the first angle bracket, and the second angle bracket is fixedly disposed on an end surface of the rear key cover. The second angle bracket is provided with a connecting hole for cooperating with the stud, the stud passes through the connecting hole, and an end of the stud away from the first angle bracket is provided with an external thread. The fastener is threadedly connected to the stud to fasten the second angle bracket to the first angle bracket;

[0009] The second fixing component includes a male buckle end and a female buckle end engaged with the male buckle end, the male buckle end is fixedly arranged on the side wall of the side arm facing the rear key cover, and the female buckle end is fixedly arranged on the bottom surface of the rear key cover.

[0010] As an improvement to the above technical solution, the first angle code includes:

[0011] a first fixing plate, fixedly arranged on the side wall of the side arm facing the rear key cover;

[0012] The first supporting plate is fixed on the first fixing plate. The first supporting plate is vertically arranged to the first fixing plate. The stud is fixed on the first supporting plate.

[0013] As an improvement of the above technical solution, the first support plate is arranged horizontally, the stud is fixedly arranged on the top surface of the first support plate, and the stud is arranged vertically.

[0014] As an improvement to the above technical solution, the second angle code includes:

[0015] a second fixing plate, which is fixedly arranged on the end surface of the rear key cover;

[0016] The second supporting plate is fixedly arranged on the second fixing plate, and the second supporting plate is arranged perpendicular to the second fixing plate.

[0017] As an improvement of the above technical solution, the first corner bracket and the second corner bracket are both integrally formed.

[0018] As an improvement to the above technical solution, the buckle male end includes:

[0019] a third fixing plate, fixedly disposed on the side wall of the side arm facing the rear key cover;

[0020] The engaging plate is fixedly arranged on the third fixing plate.

[0021] As an improvement to the above technical solution, the buckle female end includes:

[0022] a fourth fixing plate, fixedly disposed on the bottom surface of the rear key cover;

[0023] The snap-fit ​​plate is fixedly arranged on the fourth fixing plate. The snap-fit ​​plate is arranged perpendicular to the fourth fixing plate. The snap-fit ​​plate is provided with a snap-fit ​​groove for snapping with the snap-fit ​​plate.

[0024] As an improvement of the above technical solution, the fastener is a butterfly nut.

[0025] As an improvement to the above technical solution, it also includes multiple screws, the first fixing plate is fixedly connected to the side arm through the screws, the second fixing plate is fixedly connected to the rear key cover through the screws, the third fixing plate is fixedly connected to the side arm through the screws, and the fourth fixing plate is fixedly connected to the rear key cover through the screws.

[0026] An upright piano comprises the upright piano rear key cover fixing structure described in any one of the above items, and also comprises a front key cover and a descender, wherein the front key cover is rotatably connected to an end of the rear key cover away from the first fixing component, and the descender is arranged on the side arm.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] The utility model relates to a fixing structure for a rear key cover of an upright piano and an upright piano. The first angle bracket of the first fixing assembly is fixed to the side wall of the side arm, and the second angle bracket is fixed to the end surface of the rear key cover. Thus, the first angle bracket, the second angle bracket, the stud, and the fastener cooperate to securely secure the end of the rear key cover away from the front key cover to the side arm. The male end of the second fixing assembly is fixed to the side wall of the side arm, and the female end of the second fixing assembly is fixed to the bottom surface of the rear key cover. Thus, the male end of the second fixing assembly cooperates with the female end of the second fixing assembly to securely secure the bottom of the rear key cover to the side arm. By securing the end of the rear key cover away from the front key cover and the bottom of the rear key cover to the side arm, respectively, the rear key cover is securely mounted and is not easily loosened due to the opening and closing of the front key cover. Furthermore, the first fixing assembly is secured by a threaded connection between the fastener and the stud, while the second fixing assembly is secured by a snap connection between the male end of the second fixing assembly and the female end of the second fixing assembly. This allows both the first fixing assembly and the second fixing assembly to be easily released, facilitating the removal of the rear key cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 Schematic diagram of a rear key cover fixing structure for an upright piano provided by an embodiment of the present utility model;

[0030] Figure 2 1 is a schematic diagram of a first fixing assembly of a rear key cover fixing structure of an upright piano provided by an embodiment of the present utility model;

[0031] Figure 3 This is a front view of a first angle bracket of a first fixing assembly provided by an embodiment of the present utility model;

[0032] Figure 4 1 is a side view of a first angle bracket of a first fixing assembly provided by an embodiment of the present utility model;

[0033] Figure 5 This is a front view of the second angle bracket of the first fixing assembly provided by an embodiment of the present utility model;

[0034] Figure 6 1 is a top view of the second angle bracket of the first fixing assembly provided by an embodiment of the present utility model;

[0035] Figure 7 1 is a schematic diagram of a second fixing assembly of a rear key cover fixing structure of an upright piano provided by an embodiment of the present invention;

[0036] Figure 8 This is a front view of the buckle male end of the second fixing assembly provided in an embodiment of the present utility model;

[0037] Figure 9It is a side view of the buckle male end of the second fixing assembly provided by an embodiment of the present utility model;

[0038] Figure 10 This is a front view of the buckle female end of the second fixing assembly provided by an embodiment of the present utility model;

[0039] Figure 11 It is a cross-sectional view of the buckle female end of the second fixing assembly provided in an embodiment of the present utility model.

[0040] In the picture:

[0041] 1. First fixing component;

[0042] 11. First angle bracket; 111. First fixing plate; 112. First supporting plate;

[0043] 12. Second angle bracket; 121. Second fixing plate; 122. Second supporting plate; 1221. Connecting hole;

[0044] 13. Stud; 14. Fastener;

[0045] 2. Second fixing component;

[0046] 21. Buckle male end; 211. Third fixing plate; 212. Snap-fit ​​plug plate;

[0047] 22. Buckle female end; 221. Fourth fixing plate; 222. Snap buckle plate; 2221. Snap groove;

[0048] 10. Side arm; 20. Rear key cover; 30. Front key cover; 40. Descending device; 50. Door opening. DETAILED DESCRIPTION

[0049] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0050] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connect," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0051] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0052] In the description of this embodiment, terms such as "upper," "lower," and "right" are used to refer to positions or locations based on the positions or locations shown in the accompanying drawings. These terms are intended solely to facilitate description and simplify operation, and are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0053] like Figures 1-11 As shown, this embodiment provides a fixing structure for a rear key cover of an upright piano, comprising a side arm 10, a rear key cover 20, a first fixing assembly 1, and a second fixing assembly 2. The first fixing assembly 1 includes a first angle bracket 11, a second angle bracket 12, a stud 13, and a fastener 14. The first angle bracket 11 is fixedly mounted on the side wall of the side arm 10 facing the rear key cover 20. The stud 13 is fixedly mounted on the first angle bracket 11. The second angle bracket 12 is fixedly mounted on the end surface of the rear key cover 20 of the piano. The second angle bracket 12 is provided with a connecting hole 1221 for engaging with the stud 13. The stud 13 passes through the connecting hole 1221. The end of the stud 13 away from the first angle bracket 11 is provided with an external thread. The fastener 14 is threadedly connected to the stud 13 to fasten the second angle bracket 12 to the first angle bracket 11. The second fixing assembly 2 includes a male snap-on end 21 and a female snap-on end 22 that engages with the male snap-on end 21. The male snap-on end 21 is fixed to the side wall of the side arm 10 facing the rear key cover 20, while the female snap-on end 22 is fixed to the bottom surface of the rear key cover 20. The rear key cover 20 is provided with a second angle bracket 12 and the female snap-on end 22 at both ends. The side arms 10 at both ends of the rear key cover 20 are provided with a first angle bracket 11 and the male snap-on end 21.

[0054] The present embodiment provides a fixing structure for the rear key cover of an upright piano. The first angle code 11 of the first fixing component 1 is fixed to the side wall of the side arm 10, and the second angle code 12 is fixed to the end surface of the rear key cover 20. Thus, by cooperating with the first angle code 11, the second angle code 12, the stud 13 and the fastener 14, the end of the rear key cover 20 away from the front key cover 30 can be firmly fixed to the side arm 10. The male snap-fit ​​end 21 of the second fixing component 2 is fixed to the side wall of the side wall, and the female snap-fit ​​end 22 is fixed to the bottom surface of the rear key cover 20. Thus, by cooperating with the male snap-fit ​​end 21 and the female snap-fit ​​end 22, the bottom of the rear key cover 20 can be firmly fixed to the side arm 10. By respectively fixing the end of the rear key cover 20 away from the front key cover 30 and the bottom of the rear key cover 20 to the side arm 10, the rear key cover 20 is firmly installed and is not easily loosened due to the opening and closing of the front key cover 30. In addition, the fixation of the first fixing component 1 is achieved by the threaded connection between the fastener 14 and the stud 13, and the fixation of the second fixing component 2 is achieved by the snap connection between the male end 21 of the snap and the female end 22 of the snap, so that both the first fixing component 1 and the second fixing component 2 can be released more conveniently, facilitating the disassembly of the rear key cover 20.

[0055] Alternatively, as Figures 1-4 As shown, the first angle code 11 includes a first fixing plate 111 and a first support plate 112. The first fixing plate 111 is fixedly arranged on the side wall of the side arm 10 facing the rear key cover 20. The first support plate 112 is fixed on the first fixing plate 111, and the first support plate 112 is perpendicular to the first fixing plate 111, and the stud 13 is fixed on the first support plate 112. The second angle code 12 includes a second fixing plate 121 and a second support plate 122. The second fixing plate 121 is fixedly arranged on the end surface of the rear key cover 20. The second support plate 122 is fixedly arranged on the second fixing plate 121, and the second support plate 122 is perpendicular to the second fixing plate 121. The first support plate 112 is arranged horizontally, and the stud 13 is fixedly arranged on the top surface of the first support plate 112, and the stud 13 is arranged vertically. By arranging the first support plate 112 perpendicularly to the first fixing plate 111, the first support plate 112 can extend away from the side arm 10. The second support plate 122 is arranged perpendicularly to the second fixing plate 121, extending away from the end surface of the rear key cover 20. This allows the second support plate 122 to be pressed against the first support plate 112. The first support plate 112 supports the second support plate 122, thereby supporting the end of the rear key cover 20 away from the front key cover 30. The fastener 14 cooperates with the stud 13 to secure the first support plate 112 and the second support plate 122, thereby firmly fixing the end of the rear key cover 20 away from the front key cover 30 to the side arm 10.

[0056] Specifically, in this embodiment, the first corner bracket 11 and the second corner bracket 12 are integrally formed.

[0057] Alternatively, as Figure 1 、 Figure 7 、 Figure 8 and Figure 9 As shown, the male end of the buckle 21 includes a third fixed plate 211 and a snap-fit ​​plate 212. The third fixed plate 211 is fixedly arranged on the side wall of the side arm 10 facing the rear key cover 20. The snap-fit ​​plate 212 is fixedly arranged on the third fixed plate 211. The female end of the buckle 22 includes a fourth fixed plate 221 and a snap-fit ​​plate 222. The fourth fixed plate 221 is fixedly arranged on the bottom surface of the rear key cover 20. The snap-fit ​​plate 222 is fixedly arranged on the fourth fixed plate 221, and the snap-fit ​​plate 222 is arranged perpendicular to the fourth fixed plate 221. The snap-fit ​​plate 222 is provided with a snap-fit ​​groove 2221 for snapping with the snap-fit ​​plate 212.

[0058] Specifically, in this embodiment, the second fixing component 2 is a Roman column fixing buckle, and the structures of the snap-fitting plate 212 and the snap-fitting plate 222 of the Roman column fixing buckle are common knowledge in the art and will not be described in detail here.

[0059] Optionally, the upright piano rear key cover fixing structure provided in this embodiment further includes a plurality of screws. The first fixing plate 111 is fixedly connected to the side arm 10 via screws, the second fixing plate 121 is fixedly connected to the rear key cover 20 via screws, the third fixing plate 211 is fixedly connected to the side arm 10 via screws, and the fourth fixing plate 221 is fixedly connected to the rear key cover 20 via screws. In this embodiment, countersunk holes for accommodating the screws are provided on the first fixing plate 111, the second fixing plate 121, the third fixing plate 211, and the fourth fixing plate 221.

[0060] like Figure 1 As shown, this embodiment also provides an upright piano, including the aforementioned upright piano rear key cover fixing structure, a front key cover 30, and a descender 40. The front key cover 30 is rotatably connected to the end of the rear key cover 20 away from the first fixing assembly 1, and the descender 40 is disposed on the side arm 10. The upright piano also includes an upper door 50 disposed on the side arm 10.

[0061] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and replacements can be made without departing from the technical principles of the present invention. These improvements and replacements should also be regarded as the scope of protection of the present invention.

Claims

1. A fixing structure for the rear key cover of an upright piano, characterized in that: include: Side arms (10); rear key cover (20); A first fixing assembly (1), comprising a first angle code (11), a second angle code (12), a stud (13) and a fastener (14), wherein the first angle code (11) is fixedly arranged on the side wall of the side arm (10) facing the rear key cover (20), the stud (13) is fixedly arranged on the first angle code (11), the second angle code (12) is fixedly arranged on the end surface of the rear key cover (20), the second angle code (12) is provided with a connecting hole (1221) for cooperating with the stud (13), the stud (13) passes through the connecting hole (1221), an end of the stud (13) away from the first angle code (11) is provided with an external thread, and the fastener (14) is threadedly connected to the stud (13) to fasten the second angle code (12) to the first angle code (11); The second fixing component (2) comprises a snap-on male end (21) and a snap-on female end (22) snapped with the snap-on male end (21), wherein the snap-on male end (21) is fixedly arranged on the side wall of the side arm (10) facing the rear key cover (20), and the snap-on female end (22) is fixedly arranged on the bottom surface of the rear key cover (20).

2. The upright piano rear key cover fixing structure according to claim 1, characterized in that: The first angle code (11) comprises: a first fixing plate (111) fixedly disposed on a side wall of the side arm (10) facing the rear key cover (20); A first supporting plate (112) is fixed on the first fixing plate (111); the first supporting plate (112) is vertically arranged with respect to the first fixing plate (111); and the stud (13) is fixedly arranged on the first supporting plate (112).

3. The upright piano rear key cover fixing structure according to claim 2, characterized in that: The first support plate (112) is arranged horizontally, the stud (13) is fixedly arranged on the top surface of the first support plate (112), and the stud (13) is arranged vertically.

4. The upright piano rear key cover fixing structure according to claim 2, wherein: The second angle code (12) includes: a second fixing plate (121) fixedly disposed on the end surface of the rear key cover (20); The second supporting plate (122) is fixedly arranged on the second fixing plate (121), and the second supporting plate (122) is arranged perpendicular to the second fixing plate (121).

5. The upright piano rear key cover fixing structure according to claim 1, characterized in that: The first corner code (11) and the second corner code (12) are both integrally formed.

6. The upright piano rear key cover fixing structure according to claim 4, characterized in that: The buckle male end (21) comprises: a third fixing plate (211) fixedly disposed on a side wall of the side arm (10) facing the rear key cover (20); The engaging inserting plate (212) is fixedly arranged on the third fixing plate (211).

7. The upright piano rear key cover fixing structure according to claim 6, characterized in that: The buckle female end (22) comprises: a fourth fixing plate (221) fixedly disposed on the bottom surface of the rear key cover (20); A snap-fit ​​plate (222) is fixedly arranged on the fourth fixing plate (221), the snap-fit ​​plate (222) and the fourth fixing plate (221) are arranged perpendicularly, and a snap-fit ​​groove (2221) for snapping with the snap-fit ​​plug plate (212) is provided on the snap-fit ​​plate (222).

8. The upright piano rear key cover fixing structure according to any one of claims 1 to 7, characterized in that: The fastener (14) is a butterfly nut.

9. The upright piano rear key cover fixing structure according to claim 7, characterized in that: It also includes a plurality of screws, wherein the first fixing plate (111) is fixedly connected to the side arm (10) through the screws, the second fixing plate (121) is fixedly connected to the rear key cover (20) through the screws, the third fixing plate (211) is fixedly connected to the side arm (10) through the screws, and the fourth fixing plate (221) is fixedly connected to the rear key cover (20) through the screws.

10. An upright piano, characterized in that: The invention comprises a rear key cover fixing structure for an upright piano as described in any one of claims 1 to 9, and further comprises a front key cover (30) and a descender (40), wherein the front key cover (30) is rotatably connected to an end of the rear key cover (20) away from the first fixing component (1), and the descender (40) is arranged on the side arm (10).

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