CN207558406U - A kind of electronic metronome shell - Google Patents
A kind of electronic metronome shell Download PDFInfo
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- CN207558406U CN207558406U CN201721840888.5U CN201721840888U CN207558406U CN 207558406 U CN207558406 U CN 207558406U CN 201721840888 U CN201721840888 U CN 201721840888U CN 207558406 U CN207558406 U CN 207558406U
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- China
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- upper cover
- lower cover
- cover
- electronic metronome
- connecting portion
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Abstract
The utility model discloses a kind of electronic metronome shell, including：Upper cover is provided with card slot on the side wall of the upper cover, and the female threaded post of tool is provided in the inner bottom wall of the upper cover；With the upper cover with merging to form accommodating cavity so that circuit board to be wrapped in the lower cover in the accommodating cavity, mounting hole is provided on the lower lid；Protrusion be set on the lower lid and with the card slot coordinate buckle structure and, across the mounting hole and the threaded post cooperation fastener.Upper cover and lower cover are positioned using buckle structure, so as to facilitate the installation of fastener, avoiding installer spends longer time to be aligned the threaded post on upper lid with the threaded hole on lower lid so that electronic metronome has shell install convenient and installation effectiveness height, the advantage firmly installed.
Description
Technical field
The utility model is related to metronome skinning technique field more particularly to a kind of electronic metronome shells.
Background technology
Metronome is a kind of a kind of device of the beat of stabilization to be sent out in various speed.Metronome also is able to improve sound
The efficiency of happy practice improves the attention of music practice person, makes the rhythm more uniform and stable of music, and in Musical Instrument
Teaching in be conducive to establish accompaniment, connection bullet, ensemble, association's consciousness of playing.
General electronic metronome includes：Shell, circuit board and display etc., wherein, shell again include upper cover with
Lower cover, and lower cover is fixedly mounted on upper lid by screw mostly, when upper cover and lower cover are installed, the hand of installer holds
Easily touch the lower cover of no-fix so that lower cover occurs to cause the installation of screw unstable, and then lead with respect to slip with upper cover
Cause shell installation speed is slow, and installation effectiveness is low.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of electronic metronome, have outer
Shell install convenient and the high advantage of installation effectiveness.
The above-mentioned purpose of the utility model technical scheme is that：
A kind of electronic metronome shell, including：Upper cover, is provided with card slot on the side wall of the upper cover, the upper cover it is interior
The female threaded post of tool is provided on bottom wall；Accommodating cavity is formed with described in circuit board is wrapped in merging with the upper cover
Lower cover in accommodating cavity is provided with mounting hole on the lower lid；That protrusion is set on the lower lid and coordinates with the card slot,
For the upper cover and the lower cover are carried out the buckle structure just positioned and, across the mounting hole and the threaded post
Cooperation, for by the fastener of the upper cover and the lower cover locking.
By using above-mentioned technical proposal：When installing shell, first circuit board is mounted on upper lid, then again by setting
The card slot set on buckle structure on lower lid and upper lid is put to coordinate, it is achieved thereby that upper cover with lower cover determining when mounted
Position, finally by fastener by upper cover and lower cover locking, so as to strengthen the fastness that electronic metronome shell is installed, meanwhile,
Upper cover and lower cover are positioned using buckle structure in advance, so as to facilitate the installation of fastener, installer is avoided and spends
Threaded post on upper lid is aligned by expense longer time with the threaded hole on lower lid so that there is electronic metronome shell to install just
The advantage that prompt and installation effectiveness is high, firmly installs.
Further：The buckle structure includes：On the inner wall of the upper cover and upper cover is set to be integrally formed
And flexible connecting portion；And be installed on the connecting portion far from the connecting portion fixing end side, for
The buckling parts of the card slot cooperation.
By using above-mentioned technical proposal, when buckle structure and card slot coordinate, by the elasticity of connecting portion, to buckling parts
Power required when buckle structure fastens is provided, so as to which the buckling parts being arranged on connecting portion is pushed against on the inner wall of card slot, from
And it ensure that the stability that buckle structure fastens.
Further：The buckling parts be with the connecting portion it is integrally formed, protrude from the connecting portion it is near described
An end face and rectangular end face for the inner wall side of upper cover and the end face of the inner wall side of the lower cover close on the connecting portion
The fixture block of the triangular prism shape of fitting.
By using above-mentioned technical proposal, when the fixture block of triangular prism shape coordinates with card slot, other two rectangular surfaces is with connecting
The end face of inner wall side in socket part close to lower cover forms an angle, so as to ensure that two faces coordinated on fixture block with card slot are equal
For inclined surface, so that lower cover relatively easily can be fastened or be detached with upper cover, so as to ensure that upper cover is dismounted with lower cover
Convenience.
Further：The fixture block is provided with circular arc chamfering on the side of the inner wall side of the upper cover.
By using above-mentioned technical proposal, when the fillet of setting so that upper cover is installed with lower cover, the buckle that is set on upper lid
Structure can be more readily caught in card slot, facilitated the cooperation of buckle structure and card slot, be ensure that electricity to a certain extent
The convenience of sub- metronome shell dismounting.
Further：The first stepped part is provided on the end face contacted on the upper lid with the lower cover, on the lower lid
It is provided with the second step ladder coordinated with the stepped part.
By using above-mentioned technical proposal, when upper and lower covers are installed, the first stepped part and the second step ladder of setting coordinate,
So as to play certain positioning action to the installation of upper cover and lower cover, meanwhile, upper cover and the contact area of lower cover are increased, is made
Obtaining shell has certain waterproof, moisture protection.
Further：Spherical groove is provided on the end face vertical with the circuit board on first stepped part, it is described
The spherical salient point coordinated with the spherical groove is provided in second step ladder on the end face vertical with the circuit board.
By using above-mentioned technical proposal, when the first cascaded surface and the second cascaded surface coordinate, pass through the spherical groove of setting
With the cooperation of spherical salient point, the compactness coordinated between the first cascaded surface and the second cascaded surface is increased, on enhancing again
The fastness coordinated between lid and lower cover.
Further：Mounting groove is offered on the bottom surface of the lower cover, rubber pad is installed in the mounting groove.
By using above-mentioned technical proposal, in metronome in use, the rubber pad being arranged on lower lid increases metronome
Frictional force between shell and placed side, so as to ensure that the stationarity of metronome placement, simultaneously, it is therefore prevented that metronomic lower cover
It contacts or rubs with placed side, and then lower cover is prevented to be scraped off damage, so as to ensure that the service life of lower cover.
Further：The upper cover is isosceles triangular prism shape, the upper cover and the corner of the lower cover with the lower cover
Place is respectively provided with circular arc chamfering.
By using above-mentioned technical proposal, the shape of upper cover and lower cover is set as isosceles triangular prism shape, is not only caused
Lid has symmetrical beauty with lower cover, and the person of being convenient to use takes, and sets circular arc chamfering in edge, not only ensure that lower cover
With the aesthetics of upper cover, and user is prevented to be scratched by corner.
In conclusion the utility model has the advantages that：
First, being pre-positioned using buckle structure to upper cover and lower cover, so as to facilitate the installation of fastener, avoid
Installer spends longer time to be aligned the threaded post on upper lid with the threaded hole on lower lid so that electronic beat utensil
There are shell install convenient and installation effectiveness height, the advantage firmly installed；
Second, the shape of upper cover and lower cover is set as isosceles triangular prism shape, not only so that upper cover has symmetrically with lower cover
U.S., and the person of being convenient to use takes, and sets circular arc chamfering in edge, not only ensure that the aesthetics of lower cover and upper cover,
And user is prevented to be scratched by corner.
Description of the drawings
Fig. 1 is the structure diagram of the electronic metronome of the utility model embodiment.
Fig. 2 is the explosive view of the electronic metronome shell of the utility model embodiment.
Fig. 3 is the structure diagram of the electronic metronome lower cover of the utility model embodiment.
Fig. 4 is the structure diagram of the electronic metronome upper cover of the utility model embodiment.
Reference numeral：1st, upper cover；11st, card slot；12nd, the first stepped part；121st, spherical groove；13rd, threaded post；2nd, lower cover；
21st, mounting hole；22nd, mounting groove；23rd, rubber pad；24th, second step ladder；241st, spherical salient point；3rd, buckle structure；31st, it connects
Portion；32nd, buckling parts；321st, fixture block；4th, fastener.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification for not creating contribution after this specification is read, but only
It all to be protected in the right of the utility model by Patent Law.
The present embodiment is related to a kind of electronic metronome shell, as shown in Figs. 1-3, including：Upper cover 1, lower cover 2, buckle structure 3
And fastener 4.
As shown in Figure 2,3, card slot 11 is provided on the side wall of upper cover 1, is provided in the inner bottom wall of upper cover 1 with internal thread
Threaded post 13.Lower cover 2 is used for upper cover 1 with merging to form accommodating cavity, so as to which circuit board is wrapped in accommodating cavity on lower cover 2
Mounting hole 21 is provided with, mounting groove 22 is offered on the bottom surface of lower cover 2, rubber pad 23 is installed in mounting groove 22.Buckle structure 3
Protrusion is set on lower cover 2, and coordinate with card slot 11, and buckle structure 3 is used to carry out Primary Location to upper cover 1 and lower cover 2.Fastening
Part 4 coordinates across mounting hole 21 with threaded post 13, and fastener 4 is used to lock upper cover 1 and lower cover 2.
As shown in Figure 2,3, in the present embodiment, upper cover 1 and lower cover 2 are isosceles triangular prism shape, upper cover 1 and lower cover 2
Edge is respectively provided with rounded corners, and upper cover 1 is made with lower cover 2 of rigid plastics, and buckle structure 3 is integrally formed with lower cover 2,
Fastener 4 is screw.In other embodiments, upper cover 1 can be with rectangular-shape with the shape of lower cover 2.It is cube-shaped etc., upper cover
1 with the material of lower cover 2 can also be alloy in lightweight, and fastener 4 can also be fastening bolt, tapping screw etc..
As shown in figure 3, buckle structure 3 includes：Connecting portion 31 and buckling parts 32.Connecting portion 31 is set to the interior of upper cover 1
It on wall, and is integrally formed with upper cover 1, connecting portion 31 has elasticity, so as to provide abutting power for buckling parts 32, so that fastening
Portion 32 can coordinate with the tight fit of card slot 11.Buckling parts 32 is installed on the fixing end far from connecting portion 31 on connecting portion 31
Side, buckling parts 32 are used for and card slot 11（With reference to shown in Fig. 4）Cooperation, so as to carry out Primary Location to upper cover 1 and lower cover 2.
As shown in figure 3, in the present embodiment, connecting portion 31 is to be with 1 integrally formed elastoplastic of upper cover, connecting portion 31
Rectangular-shape, the material that buckling parts 32 uses is identical with connecting portion 31, fixture block 321 of the buckling parts 32 for triangular prism shape, buckling parts
32 are integrally formed with connecting portion 31, and protrude from the end face of the inner wall side of nearly upper cover 1 on connecting portion 31,32 1 rectangle of buckling parts
End face is bonded with the end face close to 2 side of lower cover on connecting portion 31, and fixture block 321 is set on the side of the inner wall side of upper cover 1
There is circular arc chamfering.
As shown in Figure 3,4, the first stepped part 12, the first stepped part 12 are provided on the end face contacted in upper cover 1 with lower cover 2
Spherical groove 121 is provided on the upper end face vertical with circuit board；The second step ladder coordinated with stepped part is provided on lower cover 2
24, the spherical salient point 241 coordinated with spherical groove 121 is provided on the end face vertical with circuit board in second step ladder 24,
During assembling, by the cooperation of spherical salient point 241 and spherical groove 121, the tight ness rating that upper cover 1 coordinates with lower cover 2 ensure that.
The use principle of the present embodiment is approximately as stating：When upper cover 1 and lower cover 2 are installed, the card with the cooperation of connecting portion 31
The madial wall of buckle along lower cover 2 is slipped into card slot 11, and the elastic force for passing through the offer of connecting portion 31 is pushed against the inner wall of card slot 11
On, meanwhile, the first stepped part 12 being arranged in upper cover 1 and the cooperation of second step ladder 24, and pass through spherical salient point 241 and ball
Face groove 121 locks, and so as to complete the Primary Location between upper cover 1 and lower cover 2, and makes the threaded post set in upper cover 1
13 are aligned with the mounting hole 21 set on lower cover 2, finally, fastener 4 are coordinated across mounting hole 21 with threaded post 13, by upper cover
1 locks with lower cover 2, completes upper cover 1 and the installation of lower cover 2.
Claims (8)
1. a kind of electronic metronome shell, which is characterized in that including：
Upper cover (1) is provided with card slot (11) on the side wall of the upper cover (1), and being provided in the inner bottom wall of the upper cover (1) has
The threaded post (13) of internal thread；
Accommodating cavity is formed circuit board to be wrapped in the lower cover (2) in the accommodating cavity, under described with merging with the upper cover (1)
Mounting hole (21) is provided on lid (2)；
Protrusion be set on the lower cover (2) and coordinate with the card slot (11), for the upper cover (1) and the lower cover
(2) carry out just position buckle structure (3) and,
Across the mounting hole (21) and the threaded post (13) cooperation, for the upper cover (1) and the lower cover (2) to be locked
Tight fastener (4).
2. electronic metronome shell according to claim 1, which is characterized in that the buckle structure (3) includes：
It is set to the integrated molding of on the inner wall of the upper cover (1) and the upper cover (1) and flexible connecting portion (31)；
And
Be installed on the connecting portion (31) far from the connecting portion (31) fixing end side, for the card slot (11)
The buckling parts (32) of cooperation.
3. electronic metronome shell according to claim 2, which is characterized in that the buckling parts (32) be and the connection
Portion (31) is integrally formed, protrudes from an end face and square for the inner wall side of the nearly upper cover (1) on the connecting portion (31)
The fixture block (321) of triangular prism shape that shape end face is bonded with the end face close to the lower cover (2) side on the connecting portion (31).
4. electronic metronome shell according to claim 3, which is characterized in that the fixture block (321) is close to the upper cover
(1) circular arc chamfering is provided on the side of inner wall side.
5. electronic metronome shell according to claim 1, which is characterized in that on the upper cover (1) with the lower cover (2)
The first stepped part (12) is provided on the end face of contact, the second-order coordinated with the stepped part is provided on the lower cover (2)
Terraced portion (24).
6. electronic metronome shell according to claim 5, which is characterized in that on first stepped part (12) with it is described
It is provided with spherical groove (121) on the vertical end face of circuit board, it is vertical with the circuit board on the second step ladder (24)
The spherical salient point (241) coordinated with the spherical groove (121) is provided on end face.
7. electronic metronome shell according to claim 1, which is characterized in that offered on the bottom surface of the lower cover (2)
Mounting groove (22), the mounting groove (22) is interior to be equipped with rubber pad (23).
8. electronic metronome shell according to claim 7, which is characterized in that the upper cover (1) is equal with the lower cover (2)
For isosceles triangular prism shape, the upper cover (1) and the edge of the lower cover (2) are respectively provided with rounded corners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721840888.5U CN207558406U (en) | 2017-12-23 | 2017-12-23 | A kind of electronic metronome shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721840888.5U CN207558406U (en) | 2017-12-23 | 2017-12-23 | A kind of electronic metronome shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207558406U true CN207558406U (en) | 2018-06-29 |
Family
ID=62661109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721840888.5U Active CN207558406U (en) | 2017-12-23 | 2017-12-23 | A kind of electronic metronome shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207558406U (en) |
-
2017
- 2017-12-23 CN CN201721840888.5U patent/CN207558406U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |