CN210091706U

CN210091706U - Self-locking musical instrument hook

Info

Publication number: CN210091706U
Application number: CN201920732355.8U
Authority: CN
Inventors: 贺森; 梁旭
Original assignee: Huizhou Jialishi Musical Instrument Co Ltd
Current assignee: Huizhou Jialishi Musical Instrument Co Ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-02-18
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a self-locking musical instrument hook, which is used for hanging a stringed instrument on the self-locking musical instrument hook and comprises a U-shaped hook body, a driving lever, two movable rotating shafts, two movable locking arms and an elastic device; the U-shaped hook body is of a hollow structure, the two movable rotating shafts are respectively arranged in the two arms of the U-shaped hook body, the driving lever is arranged in the U-shaped bottom of the U-shaped hook body, one end of the driving lever is movably connected with one end of the two movable rotating shafts, and the other end of the driving lever extends out of the U-shaped bottom of the U-shaped hook body and is fixed on the wall; the elastic device is arranged between the driving lever and the inner wall of the U-shaped hook body, and two ends of the elastic device respectively abut against the driving lever and the inner wall of the U-shaped hook body; one ends of the two movable rotating shafts are respectively and fixedly connected with two movable locking arms arranged at two ends of the U-shaped hook body, and the other ends are movably connected with the driving lever. The utility model discloses need not the locking arm of manual switch U type musical instrument couple for getting of stringed instrument is put more conveniently.

Description

Self-locking musical instrument hook

Technical Field

The utility model relates to a technical field of stringed instrument annex especially relates to a from locking-type musical instrument couple.

Background

Stringed instruments of similar construction, such as guitars, violins, etc., need to be stored or displayed when not playing. If the placement is incorrect or the string instrument is touched by external force, the string instrument is easy to slip and fall, and even fall, so that the damage of the string instrument is caused. In order to prevent the damage of the stringed instruments such as the guitar, the violin and the like caused by toppling, a U-shaped hook or a fork supporting frame is specially designed for the stringed instruments in the prior art, a fork supporting frame 1 in the prior art is shown in figure 1, the stringed instruments are hung on a fork opening 11 of a fork 10 by utilizing the width difference of a head and a neck of the stringed instruments, and the fork supporting frame is not provided with a structure for preventing the stringed instruments from slipping and falling when the stringed instruments are hung on the fork supporting frame, so that the stringed instruments are easy to slip out of the fork opening 11, and the stringed instruments are damaged. Fig. 2 shows a prior art U-shaped musical instrument hook device, the U-shaped musical instrument hook device 2 comprises a hook body 20, both ends of the hook body 20 are provided with rotatable locking arms 21, when a stringed instrument needs to be hung on the U-shaped musical instrument hook device, after the stringed instrument is placed in an opening 22 of the U-shaped musical instrument hook device, the locking arms 21 are manually rotated to form a closed accommodating space for locking the stringed instrument. The U-shaped musical instrument hook device needs manual operation and is very inconvenient to use.

Accordingly, the prior art is yet to be improved and developed.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned deficiencies of the prior art, the utility model provides a rely on the automatic locking of musical instrument self gravity to hold on the couple from locking-type musical instrument couple structure.

The utility model provides a technical scheme that technical problem adopted as follows:

a self-locking musical instrument hook is used for hanging a stringed instrument on the hook, and comprises a U-shaped hook body, a driving lever, two movable rotating shafts, two movable locking arms and an elastic device; the U-shaped hook body is of a hollow structure, the two movable rotating shafts are respectively arranged in two arms of the U-shaped hook body, the driving lever is arranged in the U-shaped bottom of the U-shaped hook body, one end of the driving lever is movably connected with one end of each of the two movable rotating shafts, and the other end of the driving lever extends out of the U-shaped bottom of the U-shaped hook body and is fixed on the wall; the elastic device is arranged between the driving lever and the inner wall of the U-shaped hook body, and two ends of the elastic device respectively abut against the driving lever and the inner wall of the U-shaped hook body; one ends of the two movable rotating shafts are respectively and fixedly connected with the two movable locking arms arranged at the two end parts of the U-shaped hook body, and the other ends of the two movable rotating shafts are movably connected with the driving lever;

when a stringed instrument is hung in the open accommodating space of the U-shaped hook body, the stringed instrument drives the U-shaped hook body to drop by self gravity, the elastic device contracts under the action of gravity, the driving lever drives the two movable rotating shafts to rotate and drives the two movable locking arms at the two end parts of the U-shaped hook body to rotate, so that the two movable locking arms rotate to a closed state from an initial open state to automatically lock the stringed instrument; when the stringed instrument is taken out from the opening accommodating space of the U-shaped hook body, the elastic device rebounds under the action of elastic restoring force, the driving lever drives the two movable rotating shafts to rotate, and drives the two movable locking arms at the two ends of the U-shaped hook body to rotate, so that the two movable locking arms rotate to an opening state from a closed state.

As an improved technical scheme, the driving lever comprises a driving rod and a fixed connecting rod, wherein one end of the driving rod is provided with a first groove, and the other end of the driving rod is movably connected with one end of each of the two movable rotating shafts; one end of the fixed connecting rod is provided with a second groove, and the other end of the fixed connecting rod extends out of the U-shaped bottom of the U-shaped hook body and is fixed on the wall; the width of the first groove is larger than or smaller than that of the second groove, so that the driving rod and the fixed connecting rod are respectively sleeved with the second groove in an opposite mode through the first groove, the groove body parts of the first groove and the second groove are respectively and transversely provided with a first through hole and a second through hole, and the driving rod and the fixed connecting rod are respectively fixed at the U-shaped bottom position of the U-shaped hook body through fixing pieces which are arranged through the first through hole and the second through hole in a penetrating mode; the elastic device is arranged between the driving rod and the inner wall of the U-shaped hook body, and two ends of the elastic device respectively abut against the driving rod and the inside of the U-shaped hook body;

when a stringed instrument is hung in the open accommodating space of the U-shaped hook body, the stringed instrument drives the U-shaped hook body to drop by self gravity, the elastic device contracts under the action of gravity, the driving rod does arc motion by taking the first through hole as an axis to drive the two movable rotating shafts to rotate and drive the two movable locking arms at the two end parts of the U-shaped hook body to rotate, so that the two movable locking arms rotate to a closed state from an initial open state to automatically lock the stringed instrument; when the stringed instrument is taken out from the opening accommodating space of the U-shaped hook body, the elastic device rebounds under the action of elastic restoring force, and the driving rod makes reverse arc motion by taking the first through hole as an axis to drive the two movable rotating shafts to rotate and drive the two movable locking arms at the two end parts of the U-shaped hook body to rotate, so that the two movable locking arms rotate to an opening state from a closed state.

As an improved technical scheme, two sides of the groove body, which is sleeved with the first through hole, of the second groove are provided with clearance positions, so that the driving rod can do arc motion by taking the first through hole as an axis.

As an improved technical scheme, one end of each of the two movable rotating shafts, which is movably connected with the driving lever, is provided with an open groove, one end of each of the driving lever, which is connected with the two movable rotating shafts, is provided with a driving transverse shaft, the driving transverse shaft is vertically and fixedly connected with the driving lever, and two ends of the driving transverse shaft are respectively abutted to the open grooves at one end of the two movable rotating shafts; when the driving lever drives the two movable rotating shafts to rotate, the driving transverse shaft moves up and down in the opening groove to drive the two movable rotating shafts to rotate, and further drive the two movable locking arms to switch between an open state and a closed state.

As an improved technical scheme, the opening angle of the opening groove at one end of each movable rotating shaft is preferably 90 degrees.

As an improved technical scheme, the elastic device is a spring.

As an improved technical scheme, soft rubber protection pads are padded between the two movable locking arms and the two end parts of the U-shaped hook body.

As an improved technical scheme, the self-locking musical instrument hook further comprises a base; the end of the driving lever, which extends out of the U-shaped bottom of the U-shaped hook body, is inserted into the base, and the base is fixed on the wall.

As an improved technical scheme, the shell of the U-shaped hook body is a plastic main body.

As an improved technical scheme, a soft protective sleeve covers the shell of the U-shaped hook body.

Different from the prior art that the musical instrument hook needs to lock the musical instrument to the hook manually, the utility model adopts the structure that the driving mechanism is arranged in the hook to drive the movable locking arms at the two ends of the U-shaped musical instrument hook to rotate, when the stringed instrument is not placed in the U-shaped musical instrument hook, the movable locking arms are in an open state under the action of the elastic force of the elastic device, when the stringed instrument is placed in the opening of the U-shaped musical instrument hook, the elastic device is compressed under the action of the gravity of the musical instrument, the U-shaped musical instrument hook body is driven to move downwards at the same time, the internal driving lever drives the movable rotating shafts in the two arms of the U-shaped musical instrument hook to rotate, and further drives the movable locking arms to rotate to seal the opening accommodating space of the U-shaped musical instrument hook, when the U-shaped musical instrument hook body is taken out, the internal driving lever drives the movable rotating shafts in the two, and then the movable locking arm is driven to rotate reversely, so that the opening of the U-shaped musical instrument hook is accommodated and controlled to be in an open state. The utility model discloses the structure does not need manual to open the locking arm of closing U type musical instrument couple, has solved prior art and has need manual inconvenient problem of opening and closing the locking arm for getting of stringed musical instrument is put more conveniently. Can make for the base that this U type musical instrument couple set up the utility model discloses U type musical instrument couple can adapt to more installation scenes, can direct fixed mounting on the wall, also can install on the show board. Additionally, the utility model discloses the casing of U type musical instrument couple body adopts soft plastic secondary rubber coating integrated into one piece, also can adopt to cover soft protective sheath, protection pad to the protection stringed instrument is placed and is not leaded to the damage by the scraping.

Drawings

The embodiments of the present invention will be further described with reference to the accompanying drawings, in which:

fig. 1 is a perspective view of a prior art fork carriage.

Fig. 2 is a perspective view of a hook device for a U-shaped musical instrument according to the prior art.

Fig. 3 is a schematic perspective view of an embodiment of the self-locking musical instrument hook of the present invention.

Fig. 4 is a schematic structural view of the self-locking musical instrument hook according to an embodiment of the present invention, in which the U-shaped hook body is separated from the base.

Fig. 5 is an exploded view of an embodiment of the self-locking musical instrument hook of the present invention.

Fig. 6 is a perspective structure diagram of an embodiment of the self-locking musical instrument hook of the present invention.

Fig. 7 is a perspective structure diagram of the self-locking musical instrument hook according to the embodiment of the present invention after hanging the musical instrument.

Fig. 8 is a schematic view of a front view structure of a self-locking musical instrument hook after hanging a musical instrument.

Fig. 9 is a schematic side view of the embodiment of the self-locking musical instrument hook of the present invention after hanging the musical instrument.

Fig. 10 is a schematic front sectional view of an embodiment of the self-locking musical instrument hook according to the present invention without hanging the musical instrument.

Fig. 11 is a schematic structural diagram of an embodiment of the self-locking musical instrument hook according to the present invention, which changes from the unfolded state to the self-locking state.

Fig. 12 is a schematic view of a partial cross-sectional view of an embodiment of the self-locking musical instrument hook of the present invention.

Fig. 13 is a schematic perspective view of the configuration base of the embodiment of the self-locking musical instrument hook of the present invention.

Fig. 14 is a schematic perspective view of another configuration base of an embodiment of the self-locking musical instrument hook according to the present invention.

The reference numerals of the various components involved in the drawings are described below:

30-U-shaped hook body, 31-driving lever, 32-movable rotating shaft, 33-movable locking arm, 34-elastic device, 39-base, 80-display board and 90-stringed instrument.

301-arm of the U-shaped hook body, 302-U-shaped bottom of the U-shaped hook body, 3021-drive lever fixing rivet, 303-protective sleeve, 305-opening accommodating space; 306-bottom cover, 3061-bottom cover fixing screw.

311-drive horizontal shaft, 312-drive rod, 313-fixed connecting rod; 3121-first through hole, 3122-first groove, 3131-second through hole, 3132-second groove.

321-open groove.

331-soft rubber protection pad, 332-movable locking arm fixing screw and 333-hole plug.

391-base fixing piece, 392-base connecting piece, 393-movable pressure spring top piece, 394-pressure spring, 395-spring fixing bottom piece, 396-groove plate buckle and 3961-base fixing screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

The utility model aims at providing a gravity self-locking type musical instrument hook device different from the prior structure. When the musical instrument is placed on the self-locking type musical instrument hook, the self-locking type musical instrument hook can be driven by utilizing the gravity of the musical instrument when the musical instrument is hung to seal the opening containing space of the hook, so that a self-locking and positioning protection space is formed, and the musical instrument placed on the self-locking type musical instrument hook has the functions of protecting, positioning, containing and displaying the musical instrument. The utility model discloses from locking-type musical instrument couple is applicable to most string instruments on the market, for example, ballad guitar, electric guitar, classical guitar, mandolin, banjo musical instrument etc..

Because of the utility model discloses install inside U type couple body from the actuating mechanism of locking-type musical instrument couple, can further understand this from the theory of operation of locking-type musical instrument couple with reference to fig. 3 to 11. The self-locking musical instrument hook comprises a U-shaped hook body 30, a driving lever 31, two movable rotating shafts 32, two movable locking arms 33 and an elastic device 34; the U-shaped hook body 30 is of a hollow structure, the two movable rotating shafts 32 are respectively arranged in two arm parts 301 of the U-shaped hook body, the driving lever 31 is arranged in a U-shaped bottom part 302 of the U-shaped hook body, one end of the driving lever 31 is movably connected with one end of the two movable rotating shafts 32, and the other end of the driving lever extends out of the U-shaped bottom part 302 of the U-shaped hook body and is fixed on the wall; the elastic device 34 is arranged between the driving lever 31 and the inner wall of the U-shaped hook body, and two ends of the elastic device respectively abut against the driving lever 31 and the inner wall of the U-shaped hook body; one ends of the movable rotating shafts 32 are respectively and fixedly connected with the movable locking arms 33 arranged at the two ends of the U-shaped hook body, and the other ends are movably connected with the driving lever 31.

Fig. 3 and 4 show a schematic diagram of a three-dimensional structure of an embodiment of the self-locking musical instrument hook of the present invention, as seen from fig. 3 and 4, the U-shaped hook body 30 of the self-locking musical instrument hook of the present invention comprises two arms 301 and a U-shaped bottom 302, one end of the driving lever 31 extends out from the U-shaped bottom 302 of the U-shaped hook body 30, and can be directly set at the end of the extending out to fix the structure on the wall, thereby fixing the U-shaped hook body 30 on the wall. Two movable locking arms 33 are arranged at two ends of the U-shaped hook body 30, namely, one movable locking arm 33 is arranged at each end, and the movable locking arms 33 are fixed on movable rotating shafts (not shown in figures 3 and 4) arranged in two arm parts 301 of the U-shaped hook body 30 through screws. As another preferred embodiment, a base may be provided to secure the clevis body 30, as shown in FIGS. 3 and 4, in which case the drive lever 31 extending from within the clevis body's U-shaped base 302 may be configured to fit within the base 39 to facilitate mounting of the clevis body 30 to a wall via the base 39.

Fig. 5 is a schematic view showing an exploded state of an embodiment of the self-locking musical instrument hook of the present invention, and fig. 12 is a schematic view showing a partial cross-sectional structure. Fig. 5 shows the whole structure of the self-locking musical instrument hook of the present invention, and embodies the assembling relationship between each component. As shown in fig. 5, as can be understood by referring to fig. 3, 4 and 12, the self-locking musical instrument hook of the present invention comprises a U-shaped hook body 30, an arm 301 of the U-shaped hook body, a U-shaped bottom 302 of the U-shaped hook body, two movable shafts 32, two movable locking arms 33 and an elastic device 34. As a preferred embodiment, the driving lever 31 includes a driving lever 312 and a fixed connection lever 313; one end of the driving rod 312 is provided with a first groove 3122, and the other end is movably connected with one end of the two movable rotating shafts 32; one end of the fixed connecting rod 313 is provided with a second groove 3132, and the other end extends out of the U-shaped bottom 302 of the U-shaped hook body and is fixed on the wall; the width of the first groove 3122 is greater than or less than the second groove 3132, so that the driving rod 312 and the fixed connecting rod 313 are respectively sleeved in an opposite direction through the first groove 3122 and the second groove 3132, a first through hole 3121 and a second through hole 3131 are respectively transversely arranged at the groove body parts of the first groove 3122 and the second groove 3132, and the driving rod 312 and the fixed connecting rod 313 are respectively fixed at the U-shaped bottom 302 of the U-shaped hook body by passing through fixing members (the fixing members are driving lever fixing rivets 3021 shown in fig. 5) through the first through hole 3121 and the second through hole 3131; the elastic device 34 is disposed between the driving rod 312 and the inner wall of the U-shaped hook body 30, and two ends of the elastic device respectively abut against the driving rod 312 and the inside of the U-shaped hook body 30. The working principle of driving the two movable shafts by the driving lever can be further understood by referring to the schematic partial sectional structure of fig. 12. When a stringed instrument is hung in the open accommodating space of the U-shaped hook body, the stringed instrument drives the U-shaped hook body 30 to drop down due to its own weight, the elastic device 34 contracts under the action of gravity, and the driving rod 312 performs arc motion with the first through hole 3121 as an axis to drive the two movable rotating shafts 32 to rotate and drive the two movable locking arms 33 at the two ends of the U-shaped hook body to rotate, so that the two movable locking arms 33 rotate from an initial open state to a closed state to automatically lock the stringed instrument; when the stringed instrument is taken out from the open accommodating space of the U-shaped hook body, the elastic device 34 rebounds under the action of the elastic restoring force, and the driving rod 312 makes a reverse arc motion with the first through hole 3121 as an axis to drive the two movable rotating shafts 32 to rotate and drive the two movable locking arms 33 at the two end portions of the U-shaped hook body to rotate, so that the two movable locking arms 33 rotate from the closed state to the open state. It should be noted that two sides of the groove body where the second groove 3132 is sleeved with the first through hole 3121 need to be provided with clearance positions, so that the driving rod 312 can perform an arc motion with the first through hole 3121 as an axis. As for the sleeving manner of the first groove 3122 and the second groove 3132, the width of the first groove may be different from the width of the second groove, that is, the width of the first groove is greater than the width of the second groove, or the first groove is smaller than the second groove, which both belong to the structural scope protected by the present invention, when the first groove 3122 at the end of the driving rod 312 is greater than the second groove 3132 at the end of the fixed connecting rod 313, when the first groove 3122 and the second groove 3132 are sleeved with each other in an opening opposite direction, the end positions of the two groove edges of the first groove 3122 are respectively provided with a convex point, the two sides of the groove bottom of the second groove 3132 are provided with steps, when the driving rod 312 performs an arc motion (i.e., rotates) with the first through hole 3121 as an axis, the convex points of the two groove edges of the first groove 3122 abut against the convex points at the two sides of the groove bottom of the second groove 3132, so that the driving rod 312 can perform an arc motion with the first through hole 312, moreover, the clearance positions at the two sides of the slot body where the second groove 3132 is sleeved with the first through hole 3121 can limit the range of the arc motion stroke of the driving rod 312.

The specific structure of the base 39 shown in fig. 5 includes a base fixing part 391, a base connecting part 392, a movable pressure spring top plate 393, a pressure spring 394 and a spring fixing bottom plate 395, if the base is required to be mounted on the display board, a slot plate buckle 396 is further provided, and the base fixing part 391, the base connecting part 392, the movable pressure spring top plate 393, the pressure spring 394 and the spring fixing bottom plate 395 are sequentially fixed on the slot plate buckle 396 by the components of the base through a base fixing screw 3961 to form a base whole. In addition, as an assembly structure, the U-shaped hook body 30 shown in fig. 5 is a hollow structure, in plastic molding, the U-shaped hook body 30 adopts a semi-open model, the bottom of the U-shaped hook body is closed by a bottom cover 306, and the bottom cover 306 is fixed by a bottom cover fixing screw 3061.

As shown in fig. 5, among the components of the driving lever 31, the driving rod 312 and the fixed connecting rod 313 can be fixed in the U-shaped hook body by the driving lever fixing rivet 3021 passing through the side hole of the U-shaped bottom 302 of the U-shaped hook body, and the driving rod 312 and the fixed connecting rod 313 are movably connected. In order to drive the two movable rotating shafts, the driving lever 31 further comprises a driving transverse shaft 311, the driving transverse shaft 311 is arranged at one end of the driving lever connected with the two movable rotating shafts, and the driving transverse shaft 311 is vertically and fixedly connected with the driving rod 312. In order to drive the two movable rotating shafts, the ends of the two movable rotating shafts 32 movably connected with the driving lever 31 are provided with open grooves, the structure of the open grooves is shown in a schematic view of a front sectional structure of fig. 10 without hanging a musical instrument, fig. 10 shows the open groove structure of the ends of the two movable rotating shafts connected with the driving lever, the ends of the two movable rotating shafts are provided with open grooves 321, the opening angle of the open grooves 321 is preferably 90 °, two ends of the driving transverse shaft 311 are respectively abutted to the open grooves 321 at the ends of the two movable rotating shafts, when the driving lever drives the two movable rotating shafts to rotate, the driving transverse shaft 311 moves up and down in the open grooves 321 to drive the two movable rotating shafts to rotate, and further drive the two movable locking arms 33 to switch between an open state and a closed state. As shown in fig. 5, the two movable locking arms 33 are fixed to two ends of the U-shaped hook body 30 by movable locking arm fixing screws 332, soft rubber protection pads 331 are further disposed between the two movable locking arms 33 and the two ends of the U-shaped hook body 30, and hole plugs 333 are mounted on nuts of the movable locking arm fixing screws 332.

Fig. 6 shows a schematic perspective view of an embodiment of the self-locking musical instrument hook according to the present invention, and the working principle of the self-locking musical instrument hook that the driving lever 31 drives the movable rotating shafts to rotate the movable locking arms 33 to open or close the open receiving space 305 of the U-shaped hook body is explained with reference to fig. 7 to 11. Fig. 6 shows an open state of the self-locking type musical instrument hook, at this time, because the stringed instrument is not hung, the elastic device 34 is in an extended state, when one end of the driving lever 31 is fixed on the wall, the elastic device 34 in the unfolded state abuts between the driving rod 312 and the inner arm of the U-shaped hook body 30, at this time, the U-shaped hook body 30 is in an inclined state as a whole, the two movable locking arms 33 are in a vertical state as a whole, the open accommodating space 305 of the U-shaped hook body is in an open state, when the stringed instrument 90 is hung in the open accommodating space 305 of the U-shaped hook body, the self-gravity of the stringed instrument drives the U-shaped hook body 30 to fall down, the elastic device 34 contracts under the action of gravity, the driving lever 31 drives the two movable rotating shafts 32 to rotate, and drives the two movable locking arms 33 at the two end portions of the U-shaped hook body to rotate, so that the two movable locking arms 33 rotate from the initial, in a closed state, the two movable locking arms 33 are in a transverse state integrally to automatically fix and lock the stringed instrument, and the closed accommodating space of the opening of the U-shaped hook body can effectively prevent the stringed instrument from sliding out; when the stringed instrument is taken out from the open accommodating space 305 of the U-shaped hook body, the elastic device 34 rebounds under the action of the elastic restoring force, the driving lever 31 drives the two movable rotating shafts 32 to rotate, and drives the two movable locking arms 33 at the two ends of the U-shaped hook body to rotate, so that the two movable locking arms 33 rotate from the closed state to the open state.

It should be noted that in the embodiment of the self-locking musical instrument hook of the present invention, the two movable shafts 32 and the two movable lock arms 33 are a pair of the same movable shafts or movable lock arms. In addition, the elastic device 34 is preferably a spring, and can be implemented by a similar elastic structure that can be used by those skilled in the art within the technical field, and all that should be considered within the scope of the present invention.

Fig. 8 is a schematic view of the self-locking type musical instrument hook installed on the display board 80, fig. 9 is a schematic view of the side-viewing structure of fig. 8, and the musical instrument is used as a display in a manner of configuring a base, thereby providing convenience for the user to take and place the stringed musical instrument 90.

Fig. 13 and 14 are schematic perspective views of two configurations of the self-locking musical instrument hook according to the present invention. In fig. 13, a base 39 to be attached to a display board is provided for the U-shaped hook body 30, a groove fastening plate 396 is installed in the base 39, and the self-locking type musical instrument hook is attached to the display board through the groove fastening plate 396. After the groove buckle plate 396 is removed, the self-locking type musical instrument hook can be installed on a wall such as a wall by the structure shown in fig. 14, so as to fix the self-locking type musical instrument hook, which is greatly convenient for the application scene of the self-locking type musical instrument hook.

In addition, in order to protect the stringed musical instrument hung on the self-locking musical instrument hook of the utility model, the shell of the U-shaped hook body is a plastic main body and is integrally formed by secondary encapsulation of plastic soft rubber; or a soft protective sleeve is covered outside the shell of the U-shaped hook body, or materials such as rubber foam cotton are arranged at the contact position of the musical instrument to protect the musical instrument.

It should be understood that the above-mentioned embodiments are merely preferred embodiments of the present invention, and not restrictive, but rather, all the additions, substitutions, modifications and improvements that are within the spirit and principle of the present invention may be made by those skilled in the art without departing from the scope of the present invention as defined by the appended claims.

Claims

1. A self-locking musical instrument hanger for hanging a stringed musical instrument thereon, characterized in that: the self-locking musical instrument hook comprises a U-shaped hook body, a driving lever, two movable rotating shafts, two movable locking arms and an elastic device; the U-shaped hook body is of a hollow structure, the two movable rotating shafts are respectively arranged in two arms of the U-shaped hook body, the driving lever is arranged in the U-shaped bottom of the U-shaped hook body, one end of the driving lever is movably connected with one end of each of the two movable rotating shafts, and the other end of the driving lever extends out of the U-shaped bottom of the U-shaped hook body and is fixed on the wall; the elastic device is arranged between the driving lever and the inner wall of the U-shaped hook body, and two ends of the elastic device respectively abut against the driving lever and the inner wall of the U-shaped hook body; one ends of the two movable rotating shafts are respectively and fixedly connected with the two movable locking arms arranged at the two end parts of the U-shaped hook body, and the other ends of the two movable rotating shafts are movably connected with the driving lever;

2. The self-locking musical instrument hook according to claim 1, wherein the driving lever comprises a driving rod and a fixed connecting rod, one end of the driving rod is provided with a first groove, and the other end of the driving rod is movably connected with one end of the two movable rotating shafts; one end of the fixed connecting rod is provided with a second groove, and the other end of the fixed connecting rod extends out of the U-shaped bottom of the U-shaped hook body and is fixed on the wall; the width of the first groove is larger than or smaller than that of the second groove, so that the driving rod and the fixed connecting rod are respectively sleeved with the second groove in an opposite mode through the first groove, the groove body parts of the first groove and the second groove are respectively and transversely provided with a first through hole and a second through hole, and the driving rod and the fixed connecting rod are respectively fixed at the U-shaped bottom position of the U-shaped hook body through fixing pieces which are arranged through the first through hole and the second through hole in a penetrating mode; the elastic device is arranged between the driving rod and the inner wall of the U-shaped hook body, and two ends of the elastic device respectively abut against the driving rod and the inside of the U-shaped hook body;

3. The self-locking musical instrument hook according to claim 2, wherein two sides of the body of the second groove, which are sleeved with the first through hole, are provided with clearance positions, so that the driving rod can do arc motion with the first through hole as an axis.

4. The self-locking musical instrument hook according to any one of claims 1 to 3, wherein the ends of the two movable shafts movably connected to the driving lever are provided with open grooves, the ends of the driving lever connected to the two movable shafts are provided with driving transverse shafts, the driving transverse shafts are vertically and fixedly connected to the driving lever, and the two ends of the driving transverse shafts are respectively abutted to the open grooves at the ends of the two movable shafts; when the driving lever drives the two movable rotating shafts to rotate, the driving transverse shaft moves up and down in the opening groove to drive the two movable rotating shafts to rotate, and further drive the two movable locking arms to switch between an open state and a closed state.

5. The self-locking musical instrument hook as claimed in claim 4, wherein the opening angle of the open grooves at one end of the two movable shafts is preferably 90 °.

6. The self-locking musical instrument hook according to claim 5, wherein the elastic means is a spring.

7. The self-locking musical instrument hook according to any one of claims 5 or 6, wherein soft rubber protection pads are padded between the two movable locking arms and two ends of the U-shaped hook body.

8. The self-locking musical instrument hook according to claim 7, further comprising a base; the end of the driving lever, which extends out of the U-shaped bottom of the U-shaped hook body, is inserted into the base, and the base is fixed on the wall.

9. The self-locking musical instrument hook according to claim 7, wherein the housing of the U-shaped hook body is a plastic body.

10. The self-locking musical instrument hook according to any one of claims 8 or 9, wherein the housing of the U-shaped hook body is covered with a soft protective cover.