Mechanical piano tuner

Abstract

The utility model relates to the technical field of piano tuning equipment, and discloses a mechanical piano tuner which comprises a connecting rod, a telescopic mechanism is arranged on the periphery of the connecting rod, a fine tuning mechanism is arranged in the connecting rod, the left end of the connecting rod is rotatably connected with a sleeve, and the fine tuning mechanism is connected with the sleeve. The interior of the handle is slidably connected to the periphery of the left side of the connecting rod, the periphery of the limiting pipe is slidably connected to the interior of the connecting rod, one side of the adjusting ring is rotatably connected to the right end of the handle, and the interior of the adjusting ring is in threaded connection to the periphery of the left side of the connecting rod. According to the mechanical piano tuner, the handle can move left and right relative to the connecting rod by rotating the adjusting ring, so that the length of the device can be adjusted, the mechanical piano tuner is convenient to carry, the worm drives the worm gear to rotate by rotating the knob, and the speed is reduced through the reduction gear; therefore, the driven gear drives the sleeve to rotate slowly, and accurate adjustment is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to piano tuning equipment technical field, especially in a kind of mechanical piano tuner. BACKGROUND

[0002] In order to guarantee the accuracy of string sound, piano needs to be regularly tuned in use.Piano tuning is a very strong operation, since the number of piano strings is very large, and the string is very thick, and it needs to use a lot of force when tuning, and the tuning wrench rotation is quite sensitive.Therefore, when approaching standard sound, it will be tuned to the head if not careful, once this situation occurs, it needs to be tuned back, thereby reducing the tuning speed, and the tuning wrench is relatively long, it is very inconvenient when carrying. UTILIT Y MODEL CONTENT

[0003] The utility model is mainly to provide a kind of mechanical piano tuner, can effectively solve the problem in background art.

[0004] In order to achieve the above object, the utility model takes the technical scheme as follows: a kind of mechanical piano tuner, including connecting rod, the outer periphery of the connecting rod is provided with telescopic mechanism, the inside of the connecting rod is provided with fine adjustment mechanism, the left end of the connecting rod is rotatably connected with sleeve, the fine adjustment mechanism is connected with sleeve;

[0005] The telescopic mechanism includes limiting tube, handle and adjusting ring, the handle is slidably connected in the left side outer periphery of connecting rod, the limiting tube is slidably connected in the inside of connecting rod, the adjusting ring is rotatably connected on the right end of handle, and the adjusting ring is screwedly connected in the left side outer periphery of connecting rod.

[0006] Preferably, the outer periphery of the adjusting ring is provided with anti-skid groove.

[0007] Preferably, the outer periphery of the limiting tube and the inside of the connecting rod are polygonal, and are mutually adapted.

[0008] Preferably, the fine adjustment mechanism includes driven gear, speed reducer, worm gear, worm, transmission pipe, adjusting rod and knob, the middle part of the speed reducer is fixedly connected in the middle part of worm gear, the driven gear, speed reducer, worm gear and worm are all rotatably connected in the inside of the right end of connecting rod, the lower part of the driven gear is meshingly connected in the upper part of speed reducer, the lower part of the worm is meshingly connected in the upper part of worm gear, the driven gear is fixed with sleeve, one end of the worm is fixedly connected with one end of transmission pipe, one end of the adjusting rod is slidably connected in the inside of transmission pipe, and the other end of the adjusting rod is rotatably connected in the middle part of the left end of handle.

[0009] Preferably, the left end of the adjusting rod is fixedly connected with knob.

[0010] Preferably, the outer periphery of the adjusting rod and the inner periphery of the transmission pipe are both polygonal and match each other.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The handle cannot rotate relative to the connecting rod by limiting the limiting pipe through the connecting rod, the handle can move left and right relative to the connecting rod by rotating the adjusting ring, so that the length of the device can be adjusted, and the device is convenient to carry.

[0013] The worm is self-locked through the worm, so that the sleeve can be quickly rotated by pulling the connecting rod, so that the standard sound is quickly approached, then the knob is rotated, the transmission pipe and the adjusting rod are driven to drive the worm to rotate, the speed is reduced through the speed reduction gear, so that the driven gear drives the sleeve to rotate slowly, so that accurate adjustment is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model of a mechanical piano tuner.

[0015] Figure 2 It is an internal structure schematic view of the utility model of a mechanical piano tuner.

[0016] Figure 3 It is a fine adjustment mechanism structure schematic view of the utility model of a mechanical piano tuner.

[0017] Figure 4 It is a telescopic mechanism structure schematic view of the utility model of a mechanical piano tuner.

[0018] Figure 5 It is a limiting pipe structure schematic view of the utility model of a mechanical piano tuner.

[0019] In the figure: 1, connecting rod; 2, telescopic mechanism; 201, limiting pipe; 202, handle; 203, adjusting ring; 3, fine adjustment mechanism; 301, driven gear; 302, speed reduction gear; 303, worm wheel; 304, worm; 305, transmission pipe; 306, adjusting rod; 307, knob; 4, sleeve. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] For example, Figures 1-5As shown, a mechanical piano tuner, including connecting rod 1, connecting rod 1 is provided with telescopic mechanism 2, connecting rod 1 is provided with fine tuning mechanism 3 inside, connecting rod 1 left end rotationally connected with sleeve 4, fine tuning mechanism 3 is connected with sleeve 4.

[0022] In this embodiment, telescopic mechanism 2 includes limiting tube 201, handle 202 and adjusting ring 203, handle 202 is slidably connected inside the left side of connecting rod 1, limiting tube 201 is slidably connected inside the connecting rod 1, adjusting ring 203 is rotatably connected to the right end of handle 202, adjusting ring 203 is threadedly connected inside the left side of connecting rod 1, adjusting ring 203 is provided with anti-skid groove, the outer periphery of limiting tube 201 and the inner periphery of connecting rod 1 are polygonal and matched with each other.

[0023] Specifically, the limiting tube 201 is limited by the connecting rod 1, so that the handle 202 cannot rotate relative to the connecting rod 1, and the handle 202 can move left and right relative to the connecting rod 1 by rotating the adjusting ring 203, so that the length of the device can be adjusted, facilitating carrying.

[0024] In this embodiment, the fine tuning mechanism 3 includes a driven gear 301, a speed reducer 302, a worm gear 303, a worm gear 304, a transmission pipe 305, an adjusting rod 306 and a knob 307, the speed reducer 302 is fixedly connected to the middle of the worm gear 303, the driven gear 301, the speed reducer 302, the worm gear 303 and the worm gear 304 are all rotatably connected to the right end inside the connecting rod 1, the driven gear 301 is meshingly connected to the upper part of the speed reducer 302, the worm gear 304 is meshingly connected to the upper part of the worm gear 303, the driven gear 301 is fixedly connected with the sleeve 4, one end of the worm gear 304 is fixedly connected with one end of the transmission pipe 305, one end of the adjusting rod 306 is slidably connected inside the transmission pipe 305, the other end of the adjusting rod 306 penetrates and is rotatably connected to the middle of the left end of the handle 202, the knob 307 is fixedly connected to the left end of the adjusting rod 306, the outer periphery of the adjusting rod 306 and the inner periphery of the transmission pipe 305 are polygonal and matched with each other.

[0025] Specifically, the worm gear 304 is self-locked to the worm gear 303, so that the sleeve 4 can be quickly rotated by pulling the connecting rod 1, thereby quickly approaching the standard sound, and then rotating the knob 307, the worm gear 304 drives the worm gear 303 to rotate through the transmission of the transmission pipe 305 and the adjusting rod 306, and the speed reducer 302 is used for speed reduction, so that the driven gear 301 drives the sleeve 4 to rotate slowly, thereby facilitating accurate adjustment.

[0026] Working principle:

[0027] The handle 202 cannot rotate relative to the connecting rod 1 by limiting the limiting pipe 201 through the connecting rod 1, the handle 202 can move left and right relative to the connecting rod 1 by rotating the adjusting ring 203, so that the length of the device can be adjusted, convenient to carry, the worm 304 is self-locked to the worm gear 303, so that the sleeve 4 can be quickly rotated by pulling the connecting rod 1, so that the standard sound can be quickly approached, then the knob 307 is rotated, the transmission pipe 305 and the adjusting rod 306 are driven to drive the worm 304 to rotate the worm gear 303, the speed is reduced through the speed reduction gear 302, so that the driven gear 301 drives the sleeve 4 to rotate slowly, so as to facilitate accurate adjustment.

[0028] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A mechanical piano tuner, comprising a connecting rod (1), characterized in that: The connecting rod (1) is provided with a telescopic mechanism (2) on its outer periphery, and a fine-tuning mechanism (3) is provided inside the connecting rod (1). A sleeve (4) is rotatably connected to the left end of the connecting rod (1), and the fine-tuning mechanism (3) is connected to the sleeve (4). The telescopic mechanism (2) includes a limiting tube (201), a handle (202) and an adjusting ring (203). The handle (202) is slidably connected to the outer left side of the connecting rod (1). The outer side of the limiting tube (201) is slidably connected to the inside of the connecting rod (1). One side of the adjusting ring (203) is rotatably connected to the right end of the handle (202). The inner side of the adjusting ring (203) is threadedly connected to the outer left side of the connecting rod (1).

2. The mechanical piano tuner according to claim 1, characterized in that: The outer periphery of the adjusting ring (203) is provided with anti-slip grooves.

3. A mechanical piano tuner according to claim 1, characterized in that: The outer periphery of the limiting tube (201) and the interior of the connecting rod (1) are both polygonal and are compatible with each other.

4. A mechanical piano tuner according to claim 1, characterized in that: The fine-tuning mechanism (3) includes a driven gear (301), a reduction gear (302), a worm gear (303), a worm (304), a transmission tube (305), an adjusting rod (306), and a knob (307). The reduction gear (302) is fixedly connected to the middle of the worm gear (303). The driven gear (301), reduction gear (302), worm gear (303), and worm (304) are all rotatably connected to the inside of the right end of the connecting rod (1). The lower part of the wheel (301) is meshed with the upper part of the reduction gear (302), the lower part of the worm (304) is meshed with the upper part of the worm wheel (303), the driven gear (301) is fixed to the sleeve (4), one end of the worm (304) is fixedly connected to one end of the transmission tube (305), one end of the adjusting rod (306) is slidably connected inside the transmission tube (305), and the other end of the adjusting rod (306) passes through and is rotatably connected to the middle of the left end of the handle (202).

5. A mechanical piano tuner according to claim 4, characterized in that: A knob (307) is fixedly connected to the left end of the adjusting rod (306).

6. A mechanical piano tuner according to claim 4, characterized in that: The outer periphery of the adjusting rod (306) and the interior of the transmission tube (305) are both polygonal and are compatible with each other.

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