CN218214623U - Zither tuning spanner with fast tuning and fine tuning functions - Google Patents

Abstract

The utility model discloses a zither tuning spanner with fast tune and fine setting function, including first apron, second apron, quick tuning mechanism and fine setting mechanism in first, the second apron, first, second apron and transmission shaft end connection's the spanner head that can drop fast is equipped with steering mechanism and the mechanism that drops fast. The quick tuning mechanism is a worm gear mechanism driven by a worm wheel, and the tuning efficiency can be greatly improved by utilizing the advantage of the large transmission ratio of the worm gear mechanism. When the standard tone is approached, the fine tuning mechanism is used for driving the worm shaft to tune, so that the tuning amplitude can be reduced, the reciprocating adjustment times can be reduced, and the tuning accuracy can be improved. The steering mechanism consisting of the bevel gear transmission mechanism can realize a continuous tuning process, and the defect that a traditional wrench needs to repeatedly plug and pull the wrench and sleeve the tuning peg when in tuning is overcome. The quick-release mechanism is a pressing type locking mechanism, and after tuning is finished, the wrench head can be taken down by pressing the pressing push rod, so that the wrench storage space is reduced.

Description

Zither tuning spanner with fast tuning and fine tuning functions

Technical Field

The utility model relates to a zither tuning spanner with fast mediation fine setting function.

Background

The existing Chinese zither tuning spanner is generally of an integrated structure, and the spanner is sleeved on a Chinese zither tuning shaft and then is tuned by rotating a handle. For example, chinese utility model patent publication No. CN201166969Y discloses a "tuning wrench for a koto", which connects the opening of the wrench with an inner octagonal sleeve at the end of the wrench head with the tuning pin, and turns the handle of the wrench to perform tuning operation. However, the tuning mode has defects, and due to the limitation of the structure and the size of the head of the Chinese zither, when the integrated tuning wrench is used, the wrench must be continuously plugged and pulled out and the tuning peg is sleeved, so that the problems of low tuning efficiency, complex operation and the like are caused. In addition, the existing zither tuning wrench does not have the fine tuning function, the standard tone is easily missed when the tuning wrench is used for tuning, adjustment needs to be adjusted back when the condition occurs, and the tuning speed is reduced.

SUMMERY OF THE UTILITY MODEL

In order to overcome defects such as zither tuning spanner tuning inefficiency, complex operation and can not finely tune among the prior art, the utility model provides a zither tuning spanner with fast mediation fine setting function, very big improvement zither tuning speed and reduction adjust the emergence of phenomenon of crossing the head.

In the description of the present invention, it should be noted that the terms "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description of the present invention, and do not mean that the described device or element must have a specific orientation or be constructed and operated in a specific orientation, and should not be construed as limiting the present invention.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a zither tuning spanner with fast tune and fine setting function, includes first apron, second apron, is provided with fast tuning mechanism and fine setting mechanism in first, the second apron, and first, second apron and transmission shaft left end are connected and can be dropped fast wrench end, are provided with steering mechanism and the mechanism that drops fast in the wrench end.

According to the zither tuning wrench with the fast tuning and fine tuning functions, the fast tuning mechanism is a worm gear mechanism driven by a worm wheel, the worm wheel is connected with the spline shaft, and a third bearing and a fourth bearing are respectively arranged at shaft shoulders at two sides of the spline shaft; the extending parts at the two sides of the spline shaft are respectively in tight fit with the first screw cap and the second screw cap through spline structures; a worm structure on the transmission shaft is in meshing transmission with the worm wheel, and a first bearing is arranged at the right shaft shoulder of the transmission shaft; and the first bearing, the third bearing and the fourth bearing are restrained and fixed by installing the first cover plate and the second cover plate.

According to the Guzheng tuning wrench with the fast tuning and fine tuning functions, the fine tuning mechanism is a worm gear mechanism driven by a worm shaft, the worm shaft on the fine tuning mechanism is in meshed transmission with a worm gear structure on a transmission shaft, a fifth bearing and a sixth bearing are respectively arranged at shaft shoulders on two sides of the worm shaft, and a second bearing is arranged at a shaft shoulder on the left side of the transmission shaft; and the second bearing, the fifth bearing and the sixth bearing are restrained and fixed by installing the first cover plate and the second cover plate.

According to the zither tuning wrench with the fast tuning and fine tuning functions, the steering mechanism capable of quickly falling off the wrench head is a bevel gear transmission mechanism, an extending shaft of a first bevel gear rod on the bevel gear transmission mechanism is of a spline shaft structure and is in fit connection with a spline hole at the left end of a transmission shaft, and the first bevel gear rod and a second bevel gear rod are in meshing transmission; and a seventh bearing and an eighth bearing are respectively arranged at the shaft shoulders of the first bevel gear rod and the second bevel gear rod, and are restrained and fixed by installing a first quick-release mechanism cover plate and a second quick-release mechanism cover plate.

Foretell zither tuning spanner with fast tune and finely tune function, the mechanism that drops fast that can drop spanner head fast is push type locking mechanism, presses the boss upside of push rod on it and installs compression spring, presses push rod tip sphere groove and installs first, second locking ball, and first, second locking ball and compression spring are fixed through the mechanism apron restraint that drops fast of installation third, and the during operation is first, the sphere groove cooperation of the left and right sides in second locking ball and first apron or the second apron tip rectangle counter bore.

The utility model has the advantages that the utility model discloses zither tuning spanner adopts worm gear mechanism and bevel gear drive mechanism to tune the zither, effectively eliminates the traditional spanner need the shortcoming of plug spanner and suit peg repeatedly when tuning to can reach laborsaving mesh; the tuning device is provided with two worm and gear mechanisms of worm gear drive and worm shaft drive, so that the tuning device is endowed with a rapid tuning function and an accurate fine tuning function, the problems that standard tones are easily missed and reciprocating adjustment is needed when the tuning is carried out by using a traditional tuning wrench are effectively solved, and the tuning accuracy and efficiency are favorably improved; the spanner head that can drop fast wherein can realize spanner head and spanner main part quickly separating, is favorable to daily depositing of spanner, reduces and accomodates the space.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

FIG. 1 is a general schematic diagram of the present invention;

FIG. 2 isbase:Sub>A schematic view of the main structure of the rear end wrench of the present invention andbase:Sub>A cross-section along line A-A;

FIG. 3 is a schematic view of a part of the structure of the rear wrench body for separating the rapidly detachable wrench head according to the present invention;

FIG. 4 is a schematic cross-sectional view of the middle transmission shaft of the present invention along line B-B;

FIG. 5 is a schematic view of the main body mechanism of the rear wrench with the separable and quick-release wrench head according to the present invention;

FIG. 6 is a schematic view of a wrench head with a quick release mechanism;

FIG. 7 is a schematic cross-sectional view taken along line C-C of FIG. 6;

fig. 8 is a schematic view of the structure of the pressing push rod.

In the figure, 1, a first cover plate, 101, a rectangular counter bore at the end part of the first cover plate, 102, a rectangular counter bore at the end part of the first cover plate, a left spherical groove, 103, a right spherical groove, 2, a second cover plate, 201, a rectangular counter bore at the end part of the second cover plate, 202, a rectangular counter bore at the end part of the second cover plate, a left spherical groove, 203, a right spherical groove, 3, a first quick-release mechanism cover plate, 4, a second quick-release mechanism cover plate, 5, a spline shaft, 6, a worm gear, 7, a first bearing, 8, a transmission shaft, 801, a left shaft shoulder of the transmission shaft, 802, a right shaft shoulder of the transmission shaft, 803 is a spline hole at the end of a transmission shaft, 9 is a second bearing, 10 is a worm shaft, 11 is a third bearing, 12 is a fourth bearing, 13 is a first rotating cap, 14 is a second rotating cap, 15 is a fifth bearing, 16 is a sixth bearing, 17 is a third rotating cap, 18 is a fourth rotating cap, 19 is a first locking ball, 20 is a third quick-release mechanism cover plate, 21 is a second locking ball, 22 is a first bevel gear rod, 23 is a seventh bearing, 24 is a compression spring, 25 is a pressing push rod, 2501 is a boss on the pressing push rod, 2502 is a first spherical groove, 2503 is a second spherical groove, 2504 is a third spherical groove, 2505 is a fourth spherical groove, 26 is an eighth bearing, and 27 is a second conical gear rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a zither tuning spanner with fast speed adjusting and fine tuning function, includes first apron 1, second apron 2, fast speed adjusting mechanism, fine tuning mechanism, can drop the steering mechanism and the mechanism that drops fast of spanner head fast.

In this embodiment, the fast tuning mechanism includes the spline shaft 5, the worm wheel 6, the first bearing 7, the transmission shaft 8, the third bearing 11, the fourth bearing 12, the first cap 13 that revolves, the second cap 14 that revolves, the spline hole at spline shaft 5's middle section spline structure and worm wheel 6 center is installed with the axle center, spline shaft 5 both sides shaft shoulder has third bearing 11 and fourth bearing 12 respectively, worm wheel 6 and the worm structure meshing installation on the transmission shaft 8, transmission shaft right side shaft shoulder 802 department coaxial arrangement first bearing 7, first apron 1 and second apron 2 are through fixed first bearing 7 after the buckle structure installation, third bearing 11 and fourth bearing 12, the overhanging axle in spline shaft 5 both sides passes through the spline and installs with first cap 13 that revolves respectively, the spline hole cooperation on the second cap 14 that revolves, utilize the advantage of the big drive ratio of worm wheel mechanism, it carries out to revolve cap 13 or the cap 14 drive 6 through first and carry out to revolve through the tuning, can very big improvement speed and efficiency.

In this embodiment, the fine tuning mechanism includes a transmission shaft 8, a second bearing 9, a worm shaft 10, a fifth bearing 15, a sixth bearing 16, a third turncap 17, and a fourth turncap 18, the worm shaft 10 is mounted in mesh with a worm gear structure on the transmission shaft 8, the fifth bearing 15 and the sixth bearing 16 are respectively mounted on shoulders on two sides of the worm shaft 10, the second bearing 9 is coaxially mounted on a left shoulder 801 of the transmission shaft, the second bearing 9, the fifth bearing 15, and the sixth bearing 16 are mounted on the first cover plate 1 and the second cover plate 2 through a snap-fit structure, and the second bearing 9, the fifth bearing 15, and the sixth bearing 16 are fixed after being mounted on the first cover plate 1 and the second cover plate 2, and the outwardly extending shafts on two sides of the worm shaft 10 are respectively mounted in cooperation with spline holes on the third turncap 17 and the fourth turncap 18 through splines.

In this embodiment, the steering mechanism of the wrench head capable of fast falling off includes a first fast falling-off mechanism cover plate 3, a second fast falling-off mechanism cover plate 4, a first bevel gear rod 22, a seventh bearing 23, an eighth bearing 26, and a second bevel gear rod 27, the first bevel gear rod 22 is installed in cooperation with a spline hole 803 at the end of a transmission shaft through a shaft end spline, a gear end of the first bevel gear rod 22 is installed in engagement with a gear end of the second bevel gear rod 27, the seventh bearing 23 and the eighth bearing 26 are respectively installed at shaft shoulders of the first bevel gear rod and the second bevel gear rod 27, the seventh bearing 23 and the eighth bearing 26 are fixed after the first fast falling-off mechanism cover plate 3 and the second fast falling-off mechanism cover plate 4 are installed through a buckle structure, the transmission shaft 8 drives the second bevel gear rod 27 through a terminal screw to drive a tuning peg to rotate, a continuous process can be realized by using the steering mechanism, and the defect that a traditional tuning wrench needs to repeatedly insert and pull out a tuning wrench and sleeve a tuning peg when in a traditional tuning process is eliminated.

In this embodiment, the quick-release mechanism of the quick-release wrench head includes a first locking ball 19, a third quick-release mechanism cover plate 20, a second locking ball 21, a compression spring 24, a pressing push rod 25, a coaxially installed compression spring 24 on the upper side of a boss 2501 on the pressing push rod, the first locking ball 19 and the second locking ball 21 are respectively installed in a tangent fit with a first spherical groove 2502 and a second spherical groove 2503 on the upper side of the end portion of the pressing push rod 25, and the third quick-release mechanism cover plate 20 and the second quick-release mechanism cover plate 4 are installed through a buckle structure, and then the first locking ball 19, the second locking ball 21, the compression spring 24 and the pressing push rod 25 are fixed. After the pressing push rod 25 is pressed down, the first locking ball 19 and the second locking ball 21 enter the third spherical groove 2504 and the fourth spherical groove 2505 on the lower side of the end part of the pressing push rod 25, and as the first locking ball 19 and the second locking ball 21 do not protrude outwards any more, an outward extending rectangular structure formed by the third quick-release mechanism cover plate 20 and the second quick-release mechanism cover plate 4 can be inserted into the rectangular counter bore 101 on the end part of the first cover plate or the rectangular counter bore 201 on the end part of the second cover plate; after the pressing push rod 25 is loosened, due to the rebounding of the compression spring 24, the first locking ball 19 and the second locking ball 21 respectively enter the first spherical groove 2502 and the second spherical groove 2503 on the upper side of the end portion of the pressing push rod 25 again, part of the ball bodies of the first locking ball 19 and the second locking ball 21 protrude outwards, and the outer protruding portions can be respectively in tangent fit with the left spherical groove 102 in the rectangular counter bore of the end portion of the first cover plate and the right spherical groove 103 in the rectangular counter bore of the end portion of the first cover plate, or in tangent fit with the left spherical groove 202 in the rectangular counter bore of the end portion of the second cover plate and the right spherical groove 203 in the rectangular counter bore of the end portion of the second cover plate, so that the wrench head capable of being quickly dropped and the wrench main body part are fixedly connected, after tuning is finished, the wrench head capable of being quickly dropped can be taken down by pressing the pressing push rod 25, and the wrench storage space is reduced.

Claims (4)

1. A zither tuning wrench with a fast tuning and fine tuning function is characterized by comprising a first cover plate and a second cover plate, wherein a fast tuning mechanism and a fine tuning mechanism are arranged in the first cover plate and the second cover plate, the fast tuning mechanism comprises a spline shaft, a worm wheel, a first bearing, a transmission shaft, a third bearing, a fourth bearing, a first screw cap and a second screw cap, a spline at the middle section of the spline shaft and a spline hole at the center of the worm wheel are coaxially installed, shaft shoulders at two sides of the spline shaft are respectively provided with the third bearing and the fourth bearing, the worm wheel and a worm structure on the transmission shaft are meshed and installed, the first bearing is coaxially installed at the shaft shoulder at the right side of the transmission shaft, the first bearing, the third bearing and the fourth bearing are fixed after the first cover plate and the second cover plate are installed through buckle structures, and shafts at two sides of the spline shaft are respectively matched and installed with the spline holes in the first screw cap and the second screw cap through splines; the fine adjustment mechanism comprises a transmission shaft, a second bearing, a worm shaft, a fifth bearing, a sixth bearing, a third rotating cap and a fourth rotating cap, the worm shaft is meshed with a worm gear structure on the transmission shaft, shaft shoulders on two sides of the worm shaft are respectively provided with the fifth bearing and the sixth bearing, the second bearing is coaxially arranged at a right side shaft shoulder of the transmission shaft, a first cover plate and a second cover plate are arranged through a buckle structure and then fixedly provided with the second bearing, the fifth bearing and the sixth bearing, and outward extending shafts on two sides of the worm shaft are respectively matched and arranged with spline holes on the third rotating cap and the fourth rotating cap through splines; the first cover plate, the second cover plate and the left end of the transmission shaft are connected with a wrench head capable of falling off quickly, and a steering mechanism and a quick falling-off mechanism are arranged in the wrench head.

2. The zither tuning wrench with the fast tuning and fine tuning functions as claimed in claim 1, wherein the steering mechanism of the rapidly detachable wrench head comprises a first rapidly detachable mechanism cover plate, a second rapidly detachable mechanism cover plate, a first bevel gear rod, a seventh bearing, an eighth bearing and a second bevel gear rod, the first bevel gear rod is installed in a manner of being matched with a spline hole on the left side of the transmission shaft through a shaft end spline, the first bevel gear rod is installed in a manner of being meshed with a gear end of the second bevel gear rod, the shaft shoulders of the first bevel gear rod and the second bevel gear rod are respectively provided with the seventh bearing and the eighth bearing, and the seventh bearing and the eighth bearing are fixed after the first rapidly detachable mechanism cover plate and the second rapidly detachable mechanism cover plate are installed through a buckle structure.

3. The zither tuning wrench with the fast-tuning and fine-tuning functions as claimed in claim 1, wherein the fast-falling mechanism of the fast-falling wrench head comprises a first locking ball, a third fast-falling mechanism cover plate, a second locking ball, a compression spring and a pressing push rod, the compression spring is coaxially mounted on the upper side of a boss of the pressing push rod, the first locking ball and the second locking ball are respectively installed in a tangent fit with groove surfaces on two sides of the pressing push rod, and the third fast-falling mechanism cover plate and the second fast-falling mechanism cover plate are installed through a buckle structure and then fix the first locking ball, the second locking ball, the compression spring and the pressing push rod.

4. The tuning wrench for koto with the function of fast tuning and fine tuning as claimed in claim 1, wherein the first, second, third, fourth and pressing push rods have concave-convex anti-slip ribs on their outer circumferential sections.

Images