CN209029088U - A kind of soundboard of upright piano - Google Patents

Abstract

A kind of soundboard of upright piano, the utility model relates to Piano Fittings technical fields；On rear side of soundboard frame four when being separately fixed at the four of oscillating plate leading flank on, inner end on front side of it is equipped with U-shaped baffle, the inside of soundboard frame is equipped with No.1 stall bars, the lower left and upper right side of No.1 stall bars are equipped with No. two stall bars and No. three stall bars, the lower end of No. two stall bars contradicts in the left side of block, the upper end of No. two stall bars contacts setting with the inner sidewall on the left of soundboard frame, the lower end of No. three stall bars is plugged in limiting slot, the upper end of No. three stall bars is embedded between straight baffle and oscillating plate, it is fixed on the upside of straight baffle on the inner sidewall of soundboard frame upper end, the trailing flank at its both ends is fixedly connected with the lateral surface at U-shaped baffle both ends respectively, soundboard frame is fixedly arranged at the front end with baffle, by baffle by stall bars be folded in oscillating plate and its between, to while solving degumming danger, the vibration performance of its soundboard is not reduced, it is simple with structure , setting rationally, the advantages that low manufacture cost.

Description

A kind of soundboard of upright piano

Technical field

The utility model relates to Piano Fittings technical fields, and in particular to a kind of soundboard of upright piano.

Background technique

Upright piano can be divided mainly into vocal resonance disc mechanism, hammered string instrument structure, pedal gear and be used to support and protect The shell of these mechanisms, in piano, hammered string instrument structure hammerhead taps string, vibrates string, the vibration of string, again The saddle being closely joined together with it is set to generate vibration, saddle is transmitted to vibrational energy on the soundboard bonded together, And vibration is transmitted to along the stall bars on soundboard each section of soundboard, cause soundboard large area to resonate, to drive empty around Gas participates in resonance, and the faint sound of the script for issuing string obtains the increase of cube ratio by the effect of soundboard, soundboard Amplitude is bigger, and the sound that piano is issued is also more loud and clear, and soundboard generally comprises sounding board, stall bars and soundboard frame, stall bars and mainly uses In undertaking string to the pressure of soundboard, to enhance the elastic force of soundboard, sound can also be passed to each portion of soundboard by stall bars, make the big face of soundboard Product is struck a chord, and when handling the combined process of stall bars and soundboard frame, traditional method is that the rib shoulder at stall bars both ends is protruded into sound It is killed in sheet frame, though it can avoid stall bars both ends in this way because with the passing of time it is possible that the danger of degumming, reduces the vibration of soundboard Dynamic performance, it would be highly desirable to improve.

Utility model content

The purpose of this utility model is that in view of the drawbacks of the prior art and insufficient, provide that a kind of structure is simple, and design is closed Reason, a kind of soundboard of upright piano easy to use, soundboard frame are fixedly arranged at the front end with baffle, stall bars are folded in vibration by baffle Movable plate and its between, to not reduce the vibration performance of its soundboard while solving degumming danger.

In order to achieve the above purposes, the technical solution adopted by the utility model is:, and it includes soundboard frame, No.1 stall bars, No. two Stall bars, No. three stall bars, U-shaped baffle, straight baffle, block, limiting slot and oscillating plate, four sides on rear side of the soundboard frame are solid respectively Be scheduled on four sides of oscillating plate leading flank, on front side of inner end be equipped with U-shaped baffle, the both ends and lower end of the U-shaped baffle respectively with Soundboard frame left and right ends are fixedly connected with the inner sidewall of lower end, and the inside of the soundboard frame is embedded with No.1 stall bars, the No.1 rib The wooden lower end is embedded the bottom righthand side in soundboard frame, and the upper end is embedded the left upper end in soundboard frame, and the No.1 stall bars are set to U-shaped gear Between piece and oscillating plate, the lower left and upper right side of the No.1 stall bars are respectively equipped with No. two stall bars and No. three stall bars, and described two The lower end of number stall bars contradicts in the left side of block, which is set on the inner sidewall of soundboard frame lower end, and it is located at U-shaped baffle Between oscillating plate, the upper end of No. two stall bars contacts setting with the inner sidewall on the left of soundboard frame, under No. three stall bars End is plugged in limiting slot, which is fixed on the inner sidewall on the right side of soundboard frame, and it is set to U-shaped baffle and oscillating plate Between, the upper end of No. three stall bars is embedded between straight baffle and oscillating plate after tilting to the left, and its top and soundboard The inner sidewall of frame upper end contacts setting, is fixed on the inner sidewall of soundboard frame upper end on the upside of the straight baffle, both ends Trailing flank is fixedly connected with the lateral surface at U-shaped baffle both ends respectively.

Further, the lower end of the soundboard frame is equipped with No.1 and lengthens case, and the No.1, which lengthens, is equipped with No.1 silk in case The left end of bar, the No.1 screw rod is screwed on by the inner sidewall that bearing lengthens on the left of case with No.1, and right end passes through No.1 and lengthens case Right side wall after, dew is located at the right side that No.1 lengthens case, is screwed with several No.1 screws on the No.1 screw rod, the No.1 silk Female setting corresponding with No. two stall bars is fixed with connecting rod on the upper surface of the No.1 screw, and the upper end of the connecting rod is across sound It after groove in sheet frame lower wall, is fixedly connected with block, the lower surface of the block is contacted with the upper surface of soundboard frame lower wall Setting.

Further, the right end of the No.1 screw rod is fixed with No.1 rocking handle, which is hung on No.1 and lengthens case Right side.

Further, the right end of the soundboard frame is equipped with No. two lengthening casees, is equipped with No. two silks in No. two lengthening casees The lower end of bar, No. two screw rods is screwed on by the inner sidewall that bearing lengthens case lower end with No. two, and the upper end passes through No. two lengthening casees Upper side wall after, dew is located at the upsides of No. two lengthening casees, is installed with several No. two screws on No. two screw rods, No. two silks Female setting corresponding with No. three stall bars is fixed with connecting plate on the upper surface of No. two screws, and the left end of the connecting plate is across sound It after groove on sheet frame right side wall, is fixedly connected with limiting slot, lower surface and the inner sidewall on the right side of soundboard frame of the limiting slot connect Touching setting.

Further, the upper end of No. two screw rods is fixed with No. two rocking handles, which is hung on No. two lengthening casees Upside.

After adopting the above structure, the utility model has the beneficial effect that a kind of sound of upright piano described in the utility model Plate, soundboard frame are fixedly arranged at the front end with baffle, by baffle by stall bars be folded in oscillating plate and its between, thus solving degumming While dangerous, the vibration performance of its soundboard is not reduced, the utility model has structure simple, and setting is reasonable, low manufacture cost The advantages that.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the cross-sectional view of the utility model.

Fig. 2 is the portion A enlarged drawing in Fig. 1.

Fig. 3 is the portion B enlarged drawing in Fig. 1.

Description of symbols:

Soundboard frame 1, No.1 stall bars 2, two stall bars 3, three stall bars 4, U-shaped baffle 5, straight baffle 6, block 7, limiting slot 8, oscillating plate 9, No.1 lengthen case 10, No.1 screw rod 11, No.1 screw 12,14, No. two connecting rod 13, No.1 rocking handle lengthening casees 15,18, No. two 16, No. two screws 17 of No. two screw rods, connecting plate rocking handles 19.

Specific embodiment

The utility model will be further described below with reference to the accompanying drawings.

Referring to as shown in Figure 1-Figure 3, present embodiment the technical solution adopted is that: it includes soundboard frame 1, No.1 rib 3, No. three stall bars 4 of wooden 2, No. two stall bars, U-shaped baffle 5, straight baffle 6, block 7, limiting slot 8 and oscillating plate 9, the soundboard frame 1 The four of rear side when being respectively welded be fixed on 9 leading flank of oscillating plate four on, on front side of inner end be equipped with U-shaped baffle 5, the U-shaped Inner sidewall of the both ends and lower end of baffle 5 respectively with 1 left and right ends of soundboard frame and lower end is welded and fixed, the soundboard frame 1 it is interior Portion is embedded with No.1 stall bars 2, which is embedded the bottom righthand side in soundboard frame 1, and the upper end is embedded in soundboard frame 1 Left upper end, and the No.1 stall bars 2 are set between U-shaped baffle 5 and oscillating plate 9, the lower left and upper right side of the No.1 stall bars 2 Several No. two stall bars 3 and No. three stall bars 4 are respectively equipped with, the lower end of No. two stall bars 3 is contradicted in the left side of block 7, the block 7 It is weldingly fixed on the inner sidewall of 1 lower end of soundboard frame, and it is between U-shaped baffle 5 and oscillating plate 9, No. two stall bars 3 Upper end contacts setting with the inner sidewall in 1 left side of soundboard frame, and the lower end of No. three stall bars 4 is plugged in limiting slot 8, the limiting slot 8 are weldingly fixed on the inner sidewall on 1 right side of soundboard frame, and it is set between U-shaped baffle 5 and oscillating plate 9, No. three stall bars 4 upper end is embedded between straight baffle 6 and oscillating plate 9 after tilting to the left, and the inner sidewall on its top and 1 upper end of soundboard frame Contact setting, the upside of the straight baffle 6 are weldingly fixed on the inner sidewall of 1 upper end of soundboard frame, the trailing flank point at both ends Lateral surface not with 5 both ends of U-shaped baffle is welded and fixed.

Further, the lower end of the soundboard frame 1 is welded with No.1 and lengthens case 10, and the No.1 lengthens in case 10 Equipped with No.1 screw rod 11, the left end of the No.1 screw rod 11 is screwed on by the inner sidewall that bearing lengthens 10 left side of case with No.1, the axis It holds and is embedded in the left side wall that No.1 lengthens case 10, and the inner sidewall that its outer ring lengthens case 10 with No.1 is welded and fixed, inner ring It is welded and fixed with No.1 screw rod 11, after the right end of No.1 screw rod 11 passes through the right side wall that No.1 lengthens case 10, dew is located at No.1 and adds The right side of long case 10 is screwed with several No.1 screws 12 on the No.1 screw rod 11, the No.1 screw 12 and No. two 3 phases of stall bars It is correspondingly arranged, connecting rod 13 is welded on the upper surface of the No.1 screw 12, the upper end of the connecting rod 13 passes through soundboard frame 1 It after groove in lower wall, is welded and fixed with block 7, the lower surface of the block 7 is contacted with the upper surface of 1 lower wall of soundboard frame to be set It sets, block 7 can be driven mobile by shaking No.1 screw rod 11, to adjust the angle of No. two stall bars 3.

Further, the right end of the No.1 screw rod 11 is welded with No.1 rocking handle 14, which is hung on No.1 lengthens the right side of case 10, No.1 screw rod 11 can be driven to rotate by No.1 rocking handle 14.

Further, the right end of the soundboard frame 1 is welded with No. two lengthening casees 15, in No. two lengthening casees 15 Equipped with No. two screw rods 16, the lower end of No. two screw rods 16 is screwed on by the inner sidewall that bearing lengthens 15 lower end of case with No. two, the axis It holds and is embedded in No. two lengthening casees 15, and the inner sidewall that its outer ring lengthens case 15 with No. two is welded and fixed, inner ring and No. two silks Bar 16 is welded and fixed, and after the upper end of No. two screw rods 16 passes through the upper side wall of No. two lengthening casees 15, dew is located at No. two lengthening casees 15 Upside is installed with several No. two screws 17 on No. two screw rods 16, and No. two screws 17 are corresponding with No. three stall bars 4 to be set It sets, connecting plate 18 is welded on the upper surface of No. two screws 17, the left end of the connecting plate 18 passes through 1 right side wall of soundboard frame On groove after, be welded and fixed with limiting slot 8, the lower surface of the limiting slot 8 contacts setting with the inner sidewall on 1 right side of soundboard frame, Drive limiting slot 8 mobile by shaking No. two screw rods 16, to adjust the distance between No. three stall bars 4.

Further, the upper end of No. two screw rods 16 is welded with No. two rocking handles 19, which is hung on The upside of No. two lengthening casees 15 can be rotated by shaking No. two rocking handles 19 to control No. two screw rods 16.

The working principle of this specific embodiment:: several No.1 stall bars 2, two of different sizes are respectively equipped in soundboard frame 1 Number stall bars 3 and No. three stall bars 4, upper and lower ends are contacted with soundboard frame 1 respectively, unlocked to kill, and pass through U-shaped baffle 5 It is blocked in centre to straight baffle 6, can prevent it from falling down, due to the both ends of 2, No. two stall bars 3 of No.1 stall bars and No. three stall bars 4 point It is not stuck between soundboard frame 1, U-shaped baffle 5 and straight baffle 6 to be separated with gap, so not limited, it is easier to it vibrates, from And make the periphery of sounding board more full of elasticity, when needing to adjust the angle of No. two stall bars 3, by shaking No.1 rocking handle 14, No.1 Rocking handle 14 drives No.1 screw rod 11 to rotate, and No.1 screw rod 11 drives No.1 screw 12 mobile, and No.1 screw 12 passes through connecting rod 13 Drive block 7 mobile, so as to drive No. two stall bars 3 mobile, after the upper end free-falling of No. two stall bars 3, again with soundboard frame 1 Left side inner sidewall contact, when need to adjust No. three stall bars 4 apart from when, pass through No. two rocking handles 19, No. two rocking handles 19 drive No. two screw rods 16 rotate, and No. two screw rods 16 drive No. two screws 17 mobile, and No. two screws 17 drive limiting slot 8 by connecting plate 18 It is mobile, so as to drive No. three stall bars 4 mobile, then according to position, No. three stall bars 4 of suitable length is reselected, make No. three The upper end of stall bars 4 is also embedded between straight baffle 6 and oscillating plate 9.

After adopting the above structure, present embodiment has the beneficial effect that one kind described in present embodiment is vertical The soundboard of piano, soundboard frame are fixedly arranged at the front end with baffle, by baffle by stall bars be folded in oscillating plate and its between, thus solving Determined degumming danger while, do not reduce the vibration performance of its soundboard, the utility model has structure simple, setting rationally, system Make the advantages such as cost is low.

The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model Spirit and scope should all cover in the scope of the claims of the utility model.

Claims (5)

1. a kind of soundboard of upright piano, it is characterised in that: it include soundboard frame (1), No.1 stall bars (2), No. two stall bars (3), No. three stall bars (4), U-shaped baffle (5), straight baffle (6), block (7), limiting slot (8) and oscillating plate (9), the soundboard frame (1) The four of rear side when being separately fixed at the four of oscillating plate (9) leading flank on, on front side of inner end be equipped with U-shaped baffle (5), the U-shaped The both ends and lower end of baffle (5) are fixedly connected with the inner sidewall of soundboard frame (1) left and right ends and lower end respectively, the soundboard frame (1) inside is embedded with No.1 stall bars (2), which is embedded the bottom righthand side in soundboard frame (1), and the upper end is embedding It is located at the left upper end of soundboard frame (1), and the No.1 stall bars (2) are set between U-shaped baffle (5) and oscillating plate (9), the No.1 The lower left and upper right side of stall bars (2) are respectively equipped with No. two stall bars (3) and No. three stall bars (4), the lower end of No. two stall bars (3) It contradicts in the left side of block (7), which is set on the inner sidewall of soundboard frame (1) lower end, and it is located at U-shaped baffle (5) Between oscillating plate (9), the upper end of No. two stall bars (3) contacts setting with the inner sidewall on the left of soundboard frame (1), and described No. three The lower end of stall bars (4) is plugged in limiting slot (8), which is fixed on the inner sidewall on the right side of soundboard frame (1), and its It is set between U-shaped baffle (5) and oscillating plate (9), the upper end of No. three stall bars (4) is embedded after tilting to the left to be kept off in straight Between piece (6) and oscillating plate (9), and its top contacts setting, the straight baffle (6) with the inner sidewall of soundboard frame (1) upper end Upside be fixed on the inner sidewall of soundboard frame (1) upper end, the trailing flank at the both ends outside with U-shaped baffle (5) both ends respectively Face is fixedly connected.

2. a kind of soundboard of upright piano according to claim 1, it is characterised in that: the lower end of the soundboard frame (1) is set There is No.1 to lengthen case (10), the No.1 lengthens in case (10) and is equipped with No.1 screw rod (11), the left end of the No.1 screw rod (11) It is screwed on by the inner sidewall that bearing lengthens on the left of case (10) with No.1, after right end passes through the right side wall that No.1 lengthens case (10), Dew is located at the right side that No.1 lengthens case (10), is screwed with several No.1 screws (12), the No.1 on the No.1 screw rod (11) Screw (12) setting corresponding with No. two stall bars (3) is fixed with connecting rod (13), the company on the upper surface of the No.1 screw (12) After the upper end of extension bar (13) passes through the groove in soundboard frame (1) lower wall, it is fixedly connected with block (7), the following table of the block (7) Face contacts setting with the upper surface of soundboard frame (1) lower wall.

3. a kind of soundboard of upright piano according to claim 2, it is characterised in that: the right end of the No.1 screw rod (11) No.1 rocking handle (14) are fixed with, which is hung on the right side that No.1 lengthens case (10).

4. a kind of soundboard of upright piano according to claim 1, it is characterised in that: the right end of the soundboard frame (1) is set There are No. two lengthening casees (15), is equipped with No. two screw rods (16), the lower end of No. two screw rods (16) in No. two lengthening casees (15) It is screwed on by the inner sidewall that bearing lengthens case (15) lower end with No. two, after the upper end passes through the upper side wall that No. two lengthen case (15), Dew is located at No. two upsides for lengthening case (15), is installed with several No. two screws (17) on No. two screw rods (16), and this No. two Screw (17) setting corresponding with No. three stall bars (4) is fixed with connecting plate (18), the company on the upper surface of No. two screws (17) After the left end of fishplate bar (18) passes through the groove on soundboard frame (1) right side wall, it is fixedly connected with limiting slot (8), the limiting slot (8) Lower surface contacts setting with the inner sidewall on the right side of soundboard frame (1).

5. a kind of soundboard of upright piano according to claim 4, it is characterised in that: the upper end of No. two screw rods (16) No. two rocking handles (19) are fixed with, which is hung on No. two upsides for lengthening case (15).