CN209673016U - A kind of multi-purpose bathometer of piano key - Google Patents

Abstract

The utility model relates to a kind of piano key to be mostly used bathometer, a pair of of the limit assembly connecting including pedestal, with pedestal, the erecting bed for being fixed on the base end, the measurement component connecting with erecting bed and adjusting component；The pedestal includes the first connecting plate and the second connecting plate, and the limit assembly includes connecting rod and the position-limited wheel that connection boom end is arranged in；The erecting bed is fixed on the first connecting plate upper end, including the first positioning plate, vertical plate and the second positioning plate；The measurement component includes the mating guide rod on the second positioning plate, the retention bar that is mounted on guide rod upper end, the Electronic Digital Micrometer for being fixed on the second positioning plate upper end；The adjusting component includes rotating bar and adjusting knob；The utility model can be used for carrying out the white key and black key of piano depth measurement, without obtaining the specific value of each key depth when measurement, it is only necessary to know the depth difference of each key it can be learnt that whether the depth of piano key is consistent, to be adjusted to it.

Description

A kind of multi-purpose bathometer of piano key

Technical field

The utility model relates to piano production measurement equipment technical field, in particular to a kind of piano key is mostly used depth measurement Device.

Background technique

Piano is one of western classical music keyboard instrument, and player is by affecting steel by the key on lower keyboard It encloses the gavel of carpet inside qin, then taps steel wire string and make a sound；The manufacturing process of piano is various, wherein piano key Depth adjustment be piano production in an important link, adjustment requirement is that the depth of each key complies with standard, and is intended to one It causes, all piano white key depth needs are consistent, and all piano black key depth are also required to be consistent, if key depth Too deep, it is slow to will lead to key rebound, influences the repeat key of allegro song, and shallowly to will lead to sound excessively shorter for key, and And deep mixed key can also seriously affect the use of player, so that the effect played can be seriously affected.

In the patent of invention of Patent No. 201811263386.X, it is noted that a kind of sub- depth measurement device of piano key and its Measurement method, there are still following improvable places for the design of structure: (1) when the sub- depth measurement of single piano key, needing elder generation Fixed mechanism clamping is measured again, measuring speed is slow, and efficiency is very low；(2) structure of each piano is different, the epitaxy part of many pianos The fixed mechanism for being unfavorable for above-mentioned patent is clamped, and overall structure applicability is not strong；Therefore the utility model has developed one kind Piano key is mostly used bathometer, to solve problems of the prior art, through retrieving, do not find it is identical as the utility model or Similar technical solution.

Utility model content

The utility model aim is: providing a kind of multi-purpose bathometer of piano key, is measured with solving device in the prior art The problem that low efficiency, speed are slow and applicability is not strong.

The technical solution of the utility model is: a kind of piano key is mostly used bathometer, including pedestal, connect with pedestal one To limit assembly, the erecting bed that is fixed on the base end, the measurement component connecting with erecting bed and adjust component；The pedestal packet The second connecting plate for including the first horizontally disposed connecting plate and being arranged along the vertical direction, first connecting plate lower end face It is provided with several idler wheels；The limit assembly includes horizontally disposed connecting rod and the limit for connecting boom end is arranged in Wheel；The erecting bed is fixed on the first connecting plate upper end, including the first positioning plate, vertical plate and the second positioning plate；Described first is fixed Handle is provided between position plate and vertical plate；The measurement component includes the mating guide rod on the second positioning plate, installation The retention bar held on the guide bar, the Electronic Digital Micrometer for being fixed on the second positioning plate upper end；The guide rod central axes It is arranged along the vertical direction, lower end is fixed with conflict ball, and the guide rod lower end is provided with through slot, on the through slot side wall It is provided with fixed slip bar；The retention bar is horizontally disposed, and is in right above Electronic Digital Micrometer；The adjusting Component includes rotating bar and adjusting knob, is hinged on vertical plate in the middle part of the rotating bar, and the side end close to guide rod is provided with For the sliding slot that fixed slip bar is slidably matched, the adjusting knob is embedding to be set on handle, and central axes are arranged along the vertical direction, lower end Face is contradicted in the one end of rotating bar far from sliding slot.

Preferably, the guide rod upper end is evenly distributed with the horizontally disposed slot of several central axis, and the positioning is horizontal Bar one end is mating in slot, and is locked by lock-screw through guide rod and retention bar.

Preferably, the Electronic Digital Micrometer includes display panel, the fixed link being arranged in above display panel and measuring rod, The end face of the display panel is oblique.

Preferably, the second connecting plate end face outside is evenly distributed with several threaded holes, at the second connecting plate end face outside It is connected with several clump weights.

Preferably, second positioning plate upper surface is fixed with the anti-dumping casing mating for guide rod.

Preferably, the idler wheel is arranged two groups along perpendicular to the second connection plate end face altogether, and the edge of idler wheel described in every group is parallel to Second connection plate end face direction setting.

Compared with prior art, the utility model has the advantages that:

(1) the utility model can be used for carrying out the white key and black key of piano depth measurement, and when measurement is each without obtaining The specific value of key depth, it is only necessary to know the depth difference of each key it can be learnt that piano key depth whether one It causes, to be adjusted to it.

(2) it when measuring white key, first to be worth on the basis of the depth of the white key of most end or an any other white key, will fill It sets and is moved at the white key position, contradict ball and pushed white key by self gravitation effect, retention bar is pushed and touched at this time The measuring rod of Electronic Digital Micrometer upper end, has an initial value at this time on display panel, set base value for this numerical value Value, next press down on adjusting knob, move upwards guide rod, and hold handle and move whole device, and make to Touching ball is moved to the upper end of next white key, unclamps adjusting knob, contradicts ball and is again pushed white key by self gravity, shows at this time A numerical value can be still shown on disk, if numerical value is identical as numerical benchmark, the depth of two white keys is identical, if numerical value is less than benchmark Numerical value, then the depth of the white key is less than the depth of benchmark white key, need to be adjusted, should if numerical value is greater than numerical benchmark The depth of white key is greater than the depth of benchmark white key, perhaps readjusts to it, and so on；When need to black key carry out depth When detection, position of first positioning plate relative to the second positioning plate is adjusted, makes to contradict the upper end that ball is moved to black key.

(2) guide rod upper end is evenly distributed with the horizontally disposed slot of several central axis, and the grafting of retention bar one end is matched It closes in slot, and guide rod and retention bar is run through by lock-screw and are locked, when use need to be directed to different The position of retention bar is adjusted in the difference of piano and black key white key, and when adjusting needs to meet: when white key (black key) is not pressed When pressure, when conflict ball lower end surface is placed in white key (black key) upper surface, between retention bar lower end surface range measurement bar upper end Distance is slightly less than the depth of white key (black key), which need to be less than the maximum range of Electronic Digital Micrometer.

(3) Electronic Digital Micrometer includes display panel, the fixed link being arranged in above display panel and measuring rod, display panel End face is oblique, observes the numerical value on display panel convenient for operator.

(4) second connecting plate end face outsides are evenly distributed with several threaded holes, when that need to carry out depth measurement to black key, need the One positioning plate carries out the adjusting of position relative to the first connecting plate, and the center of gravity of whole device is changed at this time, therefore is passed through Clump weight is connected on the outside of the second connecting plate, is adjusted for the center of gravity to whole device, anti-locking apparatus, which is toppled over, to be unfavorable for making With.

Detailed description of the invention

The utility model is further described with reference to the accompanying drawings and embodiments:

Fig. 1 is structural schematic diagram when structure described in the utility model is initially placed in above white key；

Fig. 2 is structural schematic diagram when structure described in the utility model presses white key；

Fig. 3 is structural schematic diagram when structure described in the utility model is initially placed in above black key；

Fig. 4 is structural schematic diagram when structure described in the utility model presses black key.

Wherein: 1, white key, 2, black key, the 3, first connecting plate, the 4, second connecting plate, 5, threaded hole, 6, idler wheel, 7, connection Bar, 8, position-limited wheel, the 9, first positioning plate, 10, vertical plate, the 11, second positioning plate, 12, guide rod, 13, conflict ball, 14, through slot, 15, slide bar, 16, slot, 17, retention bar, 18, anti-dumping casing, 19, display panel, 20, measuring rod, 21, rotating bar, 22, cunning Slot, 23, adjusting knob, 24, handle, 25, clump weight.

Specific embodiment

Combined with specific embodiments below, the content of the utility model is described in further detail:

As shown in Figs. 1-2, a kind of piano key is mostly used bathometer, can be used for carrying out depth to the white key 1 and black key 2 of piano Measurement, avoids the depth of piano key inconsistent, structure mainly includes pedestal, a pair of of the limit assembly connecting with pedestal, fixation In the erecting bed of pedestal upper end, the measurement component that connect with erecting bed and adjust component.

Pedestal includes the first horizontally disposed connecting plate 3 and the second connecting plate 4 being arranged along the vertical direction, and first 3 lower end surface of connecting plate is provided with two groups of idler wheels 6 along the direction perpendicular to 4 end face of the second connecting plate, and every group of idler wheel 6 is along being parallel to the The setting of two connecting plates, 4 end face direction；Second connecting plate, 4 end face outside is evenly distributed with several threaded holes 5, for connecting several clump weights 25。

A pair of of limit assembly is separately positioned on the side of two groups of idler wheels 6, mainly includes horizontally disposed connecting rod 7 And the position-limited wheel 8 of 7 end of connecting rod is set, position-limited wheel 8 is for resisting the side that white key 1 is arranged along the vertical direction, to protect Card measurement component can pinpoint whereabouts, and upper surface is oblique when mainly due to the pressing of piano key, the depth at different location It is different, it is therefore desirable to which that ensuring to measure component can be in the measurement of the fixed position of different piano key progress depth.

Erecting bed is fixed on 3 upper end of the first connecting plate, is in " Z " type structure, including mutually perpendicular first positioning plate 9, vertical Plate 10 and the second positioning plate 11；First positioning plate 9 is locked with 3 side of the first connecting plate by several clamping screws, And first is provided with handle 24 between positioning plate 9 and vertical plate 10, is convenient for testing staff's hand-held.

Measurement component includes the mating guide rod 12 on the second positioning plate 11, is mounted on determining for 12 upper end of guide rod Position cross bar 17, the Electronic Digital Micrometer for being fixed on 11 upper end of the second positioning plate；12 central axes of guide rod are arranged along the vertical direction, Wherein 11 upper surface of the second positioning plate is fixed with the anti-dumping casing 18 mating for guide rod 12；If 12 upper end of guide rod is uniformly distributed The horizontally disposed slot 16 of dry central axis, 17 one end of retention bar is mating in slot 16, and passes through locking Screw is locked through guide rod 12 and retention bar 17；12 lower end of guide rod, which is fixed with, contradicts ball 13, and leads Through slot 14 is provided with lower portion to 12 middle part of bar, is provided with fixed slip bar 15 on 14 side wall of through slot；Retention bar 17 is along level Direction setting, and be in right above Electronic Digital Micrometer；Electronic Digital Micrometer includes display panel 19, is arranged in display panel 19 The fixed link (not marking in figure) and measuring rod 20 of top, the end face of display panel 19 is oblique, and the present embodiment selects electron number The maximum range of aobvious amesdial is 0-12mm.

Adjusting component includes rotating bar 21 and adjusting knob 23, is hinged on vertical plate 10 in the middle part of rotating bar 21, close to guide rod 12 side end is provided with the sliding slot 22 being slidably matched for fixed slip bar 15, and adjusting knob 23 is embedding to be set on handle 24, in Axis is arranged along the vertical direction, and lower end surface is contradicted in the one end of rotating bar 21 far from sliding slot 22.

The utility model is not necessarily to obtain the specific value of each key depth, it is only necessary to know the depth difference of each key It can be learnt that whether the depth of piano key is consistent, to be adjusted to it；Before work, the position of retention bar 17 is adjusted first It sets, when white key 1 (black key 2) does not press, when conflict 13 lower end surface of ball is placed in white key 1 (black key 2) upper surface, under retention bar 17 The distance between 20 upper end of end face range measurement bar is less than the depth of white key 1 (black key 2), which need to be less than electronic digital display The maximum range 12mm of amesdial.

When work, idler wheel 6 is placed in the over-hang part of piano front end, for white key 1, first with the white key 1 of most end or its It is worth on the basis of the depth of his any one white key, device is moved at 1 position of white key, contradicts ball 13 by self gravitation effect White key 1 is pushed, retention bar 17 pushes and touches the measuring rod 20 of Electronic Digital Micrometer upper end at this time, at this time display panel An initial value is had on 19, which is to observe the depth of other white keys 1 compared to this initial value Situation is fluctuated, can also be negative, so initial value cannot be " 0 " since depth offset can be positive number；It sets this numerical value to Next numerical benchmark presses down on adjusting knob 23, moves upwards guide rod 12, and hold handle 24 and carry out whole device It is mobile, make to contradict the upper end that ball 13 is moved to next white key 1, unclamp adjusting knob 23, contradicting ball 13 again will by self gravity White key pushes, and can still show a numerical value, if numerical value is identical as numerical benchmark, the depth of two white keys on display panel 19 at this time Identical, if numerical value is less than numerical benchmark, the depth of the white key is less than the depth of benchmark white key, need to be adjusted, if number Value is greater than numerical benchmark, then the depth of the white key is greater than the depth of benchmark white key, perhaps readjusts to it, successively class It pushes away；When depth detection need to be carried out to black key, as shown in Figure 3, Figure 4, the first positioning plate 9 is adjusted relative to the first connecting plate 3 Position makes to contradict the upper end that ball 13 is moved to black key, topple over for anti-locking apparatus, can be in 4 outboard end of the second connecting plate Connect clump weight 25.

The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique People can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.It is right For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from In the case where the spirit or essential attributes of the utility model, the utility model, therefore nothing can be realized in other specific forms By from the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, the scope of the utility model by Appended claims rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims All changes be embraced therein, should not treat any reference in the claims as limiting related power Benefit requires.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the scheme in each embodiment may also be suitably combined to form those skilled in the art can be with The other embodiments of understanding.

Claims (6)

1. a kind of piano key is mostly used bathometer, it is characterised in that: a pair of of limit assembly for being connect including pedestal, with pedestal, solid The erecting bed for being scheduled on pedestal upper end, the measurement component being connect with erecting bed and adjusting component；The pedestal includes in the horizontal direction The first connecting plate being arranged and the second connecting plate being arranged along the vertical direction, if first connecting plate lower end face is provided with dry milling Wheel；The limit assembly includes horizontally disposed connecting rod and the position-limited wheel for connecting boom end is arranged in；The installation Platform is fixed on the first connecting plate upper end, including the first positioning plate, vertical plate and the second positioning plate；First positioning plate and vertical plate it Between be provided with handle；The measurement component includes the mating guide rod on the second positioning plate, is mounted on guide rod upper end Retention bar, be fixed on the Electronic Digital Micrometer of the second positioning plate upper end；The guide rod central axes are set along the vertical direction It sets, lower end is fixed with conflict ball, and the guide rod lower end is provided with through slot, is provided with fixed cunning on the through slot side wall Bar；The retention bar is horizontally disposed, and is in right above Electronic Digital Micrometer；The adjusting component includes rotation Bar and adjusting knob, the rotating bar middle part are hinged on vertical plate, are provided with close to a side end of guide rod sliding for fixed slip bar The sliding slot of dynamic cooperation, the adjusting knob is embedding to be set on handle, and central axes are arranged along the vertical direction, and lower end surface contradicts and rotating The one end of bar far from sliding slot.

2. a kind of piano key according to claim 1 is mostly used bathometer, it is characterised in that: the guide rod upper end is uniformly distributed The horizontally disposed slot of several central axis, described retention bar one end is mating in slot, and passes through locking Screw is locked through guide rod and retention bar.

3. a kind of piano key according to claim 1 is mostly used bathometer, it is characterised in that: the Electronic Digital Micrometer Including display panel, the fixed link being arranged in above display panel and measuring rod, the end face of the display panel is oblique.

4. a kind of piano key according to claim 1 is mostly used bathometer, it is characterised in that: on the outside of second connecting plate End face is evenly distributed with several threaded holes, is connected with several clump weights at the second connecting plate end face outside.

5. a kind of piano key according to claim 1 is mostly used bathometer, it is characterised in that: second positioning plate upper end Face is fixed with the anti-dumping casing mating for guide rod.

6. a kind of piano key according to claim 1 is mostly used bathometer, it is characterised in that: the idler wheel is along perpendicular to the Two connection plate end faces are arranged two groups altogether, and idler wheel described in every group is arranged along the second connection plate end face direction is parallel to.