CN219676880U

CN219676880U - Locking mechanism for guitar and electric guitar

Info

Publication number: CN219676880U
Application number: CN202320804064.1U
Authority: CN
Inventors: 宁凤
Original assignee: Mingjiang Design And Customization Dongguan Co ltd
Current assignee: Mingjiang Design And Customization Dongguan Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-09-12
Anticipated expiration: 2033-04-12

Abstract

The utility model relates to the field of electric guitars, in particular to a locking mechanism for a guitar and an electric guitar, wherein two types of thrust grooves are arranged on a telescopic rod, the side surfaces of a positioning pin are clamped by two locking surfaces in the first type of thrust groove, so that the thrust groove provides a more proper positioning effect in a reasonable space, the situation that a support bracket slides out of an electric guitar body in a guitar bag to swing is prevented, the problem that the support bracket backs up can be solved in the second type of thrust groove, the positioning pin can not move by the anti-thrust surface, the positioning pin can be inserted into the thrust groove by the reciprocating motion of the positioning pin, or the positioning pin can be withdrawn from the first type of thrust groove, and the positioning pin positioned in the second type of thrust groove can be pushed to the other second type of thrust groove by clamping the positioning pin after the position of the telescopic rod is adjusted.

Description

Locking mechanism for guitar and electric guitar

Technical Field

The utility model relates to the field of electric guitars, in particular to a locking mechanism for a guitar.

Background

As shown in fig. 10, the electric guitar has the advantages that the support bracket can do telescopic movement, the distance between the support bracket and the guitar body can be controlled in a step-by-step moving mode, and the coordination of users with different physique is ensured to be consistent when the electric guitar is used for playing.

However, this electric guitar has the following drawbacks:

the friction coefficient between the telescopic rod and the musical instrument body is large, so that the telescopic process is not smooth, the clamping condition occurs, and the friction between the telescopic rod and the musical instrument body can cause larger abrasion on the contact part of the telescopic rod and the musical instrument body along with the use time, so that the gap between the telescopic rod and the musical instrument body is increased, and the two support brackets on the guitar are not parallel to each other, in other words, the telescopic process of the electric guitar is difficult to ensure to be parallel to each other, the clamping phenomenon occurs, and the electric guitar cannot be used; the elastic positioning piece 13 is very humanized (the elastic positioning piece 13 is clamped into the positioning hole 12) because the elastic positioning piece 13 is limited by the working principle and needs to be unlocked by the other hand once, and the two defects can bring the result that a user can not use the product.

Disclosure of Invention

The utility model provides a locking mechanism for a guitar, which aims to solve the problem of complicated step-by-step unlocking of the electric guitar.

The utility model discloses a locking mechanism for a guitar, and the other technical problem is to solve the problem of overlarge friction coefficient between a telescopic rod and a musical instrument body by adopting a ball guide rail, so that the phenomenon of locking in the telescopic process is avoided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a locking mechanism for a guitar, comprising:

a reciprocatable positioning pin which is accommodated in a thrust groove formed in the telescopic rod from the inside of the guitar, and which is held between a forward thrust surface and a reverse thrust surface of the positioning pin by two locking surfaces of the thrust groove;

the two locking surfaces of the thrust groove are respectively parallel to the side surface and the guide surface of the thrust groove, and the force generated by the outward pulling of the telescopic rod acts on the guide surface of the positioning pin to release the current adjusting section along the direction of the positive thrust surface and slide into the thrust groove of the other second form; the guide surface is formed by inclining a part of the area of the anti-thrust surface towards the bottom surface of the positioning pin.

An electric guitar comprises a locking mechanism for the electric guitar, a ball guide rail consisting of a sliding rail and a sliding block is arranged in the electric guitar, and a telescopic rod is arranged on the sliding block.

The utility model has the beneficial effects that:

1. the telescopic rod is provided with two thrust grooves, the side surfaces of the positioning pin are clamped by the two locking surfaces of the first form of thrust groove, so that the thrust groove provides a more proper positioning effect in a reasonable space, the situation that the support bracket slides out of the guitar body in the guitar bag to swing is prevented, the problem that the support bracket backs up can be solved in the second form of thrust groove, the positioning pin can not move by the anti-thrust surface, the positioning pin can be inserted into the thrust groove by the reciprocating motion of the positioning pin, or the positioning pin can be withdrawn from the first form of thrust groove, and the positioning pin can be clamped with the second form of thrust groove after the position of the telescopic rod is adjusted, or the side surface of the positioning pin is forced, so that the positioning pin positioned in the second form of thrust groove is pushed to the other second form of thrust groove.

2. The application of the ball guide rail greatly weakens the friction force between the telescopic rod and the musical instrument body, and reduces the assembly gap between the telescopic rod and the musical instrument body, so that the telescopic rod obtains great stability and silkiness in telescopic movement.

Drawings

Fig. 1 is a diagram showing a connection relationship between a positioning pin and a telescopic rod and a ball guide.

Fig. 2 is another visual perspective view of the dowel pin.

Fig. 3 is a perspective view of the first embodiment.

Fig. 4 is an enlarged schematic view at a of fig. 3.

Fig. 5 is a sectional view of a part of the structure of the present embodiment during the use state.

Fig. 6 is an enlarged schematic view at B of fig. 5.

Fig. 7 is a sectional view of a part of the structure in the housed state of the present embodiment.

Fig. 8 is an enlarged schematic view at C of fig. 7.

Fig. 9 is another visual perspective of fig. 1.

Fig. 10 is a perspective view of the prior art.

Fig. 11 is an exploded view of the second embodiment.

Fig. 12 is a structural diagram of the second embodiment.

Fig. 13 is a schematic view of the second embodiment assembled with the internal structure of the electric guitar.

Reference numerals illustrate: 1, a musical instrument body; 100 opening parts; 2 supporting brackets; 3, a telescopic rod; 4, positioning pins;

41 guide parts; 42 mounting holes; 43 guide surfaces; 5, a deflector rod; 6, a spring; 7 avoiding the groove;

8a, 8b, 8c, 8d locking surfaces; 10 sliding rails; 11 a slide block; 12 positioning holes;

13 elastic positioning pieces; 14 positive thrust faces; 15 anti-thrust faces; 16 inner pins; 17 heads; 18 lockholes; 19 a pressed surface; 20 pin shafts; 21 limit the via.

Detailed Description

For a better understanding of the objects, structure and function of the present utility model, a latch mechanism for a guitar according to the present utility model is further described with reference to the accompanying drawings.

As shown in fig. 1 to 9, a locking mechanism for a guitar according to the present utility model is used for an electric guitar, the electric guitar comprises a body 1, two sides of the body 1 are provided with a supporting bracket 2 with a telescopic rod 3, the supporting bracket 2 can be stored on the side wall of the body 1 along the moving direction of the telescopic rod 3, the telescopic rod 3 is positioned by the locking mechanism inside the body 1, and the locking mechanism comprises:

a reciprocable positioning pin 4, which is assembled in the interior of the electric guitar in a linearly movable manner, and is accommodated in a thrust groove formed in the telescopic rod 3;

a plurality of locking surfaces (8 a, 8b, 8c, 8 d) opposite to each other are arranged, in a first form, two locking surfaces (8 a, 8 b) of the locking groove are arranged by clamping the side surface of the locating pin 4, in a second form, one locking surface 8c is inclined towards the inner direction of the body 1, the bottom surface of the locating pin 4 is provided with a guiding surface 43 inclined towards the opposite locking surface, the guiding surface 43 corresponds to the locking surface 8c and is mutually attached, the side surface of the locating pin 4 is forced to push along the direction of the normal locking surface 14, the current adjusting section position can be released, and the locking surface 8d is accommodated in the locking groove of the other second form, and the other locking surface 8d is the opposite locking surface 15 propped against the side surface of the locating pin 4;

wherein, be equipped with opening 100 on the surface of body 1, be equipped with driving lever 5 on the locating pin 4, driving lever 5 is inserted and fixed in the mounting hole 42 on locating pin 4, and this driving lever 5 extends outside opening 100, consequently, through stirring driving lever 5, make whole locating pin 4 make reciprocating motion along the both ends of opening 100, so thrust face 14 and thrust face 15 can break away from two locking face (8 a, 8 b) and combine two kinds of thrust grooves on telescopic link 3 to explain specifically:

in the storage stage, the support brackets 2 are attached to two sides of the body 1, the first form of thrust grooves are positioned at the outer ends of the telescopic rods 3, the tail ends of the positioning pins 4 are inserted into the first form of thrust grooves, and the side surfaces of the positioning pins 4 are clamped through two locking surfaces (8 a and 8 b) in the thrust grooves to position the telescopic rods 3;

in the unfolding stage, the positioning pin 4 which follows the deflector rod 5 is far away from the first-form thrust groove by manually poking the deflector rod 5, the telescopic rod 3 is adjusted, after the telescopic rod is adjusted to a proper gear position, the second-form thrust groove is kept corresponding to the positioning pin 4, and when the positioning pin 4 enters the second-form thrust groove, the front thrust surface 14 and the reverse thrust surface 15 of the positioning pin 4 are clamped by the second-form thrust groove inner locking surfaces (8 a and 8 b);

when the current adjustment of the telescopic rod 3 is released, the tail end of the positioning pin 4 advances along the thrust surface 14 by pulling the support bracket 2 and ensures that the positioning pin 4 makes a reciprocating motion on the opening 100 until falling into the next second type of thrust groove, in other words, the adjustment of the segment is limited to the gradual adjustment of the positioning pin 4 on a plurality of second type of thrust grooves in a single direction without involving the use of manually poking the deflector rod 5.

The side surface of the positioning pin 4 is clamped by the two locking surfaces (8 a and 8 b) in the first form of the thrust groove, so that the thrust groove provides a more proper positioning effect in a reasonable space, the condition that the support bracket 2 swings all the time in the electric guitar storage bag is prevented, the problem that the support bracket 2 backs up can be solved in the second form of the thrust groove, the positioning pin 4 can not move by the anti-thrust surface 15, the positioning pin 4 can be inserted into the thrust groove after being reciprocated, or the positioning pin 4 can be withdrawn from the first form of the thrust groove, the positioning pin 4 can be clamped with the second form of the thrust groove after the position of the telescopic rod 3 is adjusted, or the side surface of the positioning pin 4 can be forced, so that the positioning pin 4 positioned in the second form of the thrust groove can be pushed into the other second form of the thrust groove.

In this embodiment, the positioning pin 4 reciprocates as a spring 6 disposed inside the body 1, an assembly space for accommodating the positioning pin 4 is provided in the body 1, the positioning pin 4 is movable in the assembly space, and the spring 6 is disposed in the assembly space, and when the lever is moved, the spring 6 is pressed by the inner wall of the assembly space along with the movement of the positioning pin 4.

In order to ensure that the reciprocating movement of the positioning pin 4 between the second-type thrust grooves is stable, an avoidance groove 7 is formed between the second-type thrust grooves, the avoidance grooves 7 are communicated with each second-type thrust groove, a guide part 41 is arranged on the positioning pin 4, the guide part 41 is in sliding connection with the avoidance grooves 7, that is, the guide part 41 and the avoidance grooves 7 are designed to realize the guiding function, and in the process of adjusting the section position, the avoidance grooves 7 and the guide part 41 are matched, so that the sliding track of the positioning pin 4 can be prevented from deviating from the preset sliding track, and the reciprocating movement stability can be ensured.

In the first embodiment, for solving the stability problem related to the movement of the telescopic rod 3 inside the body 1, the linear guide rail comprising the slide rail 10 and the slide block 11 is provided inside the body 1, the slide rail 10 is fixed inside the body 1, the slide block 11 is slidably connected with the slide rail 10, and the telescopic rod 3 is fixed on the slide block 11, so that the telescopic rod 3 is prevented from loosening and shaking during the whole telescopic process due to the compactness of the slide rail 10 and the slide block 11 in a sliding fit manner.

In addition, the linear guide rail is a ball guide roller, and has the advantage of lower friction coefficient, so that the telescopic rod can easily perform linear motion along the sliding rail with high precision.

As shown in fig. 11-13, in the second embodiment, the guitar further comprises an inner pin 16 formed inside the guitar, the inner pin 16 has a head 17 located outside the guitar, after the inner pin 16 is pressed by the outside, the inner pin 16 is inserted into a lock hole 18 on the positioning pin 4, so that the front thrust surface 14 and the back thrust surface 15 of the positioning pin 4 are clamped by two locking surfaces, the locking mode is to change the hand action, and the front thrust surface 14 and the back thrust surface 15 are in contact locking with the locking surfaces (8 a, 8b, 8c and 8 d) by pressing, and it is understood that the pressing mode needs to have a larger pressing surface on the inner pin 16, and compared with the pain caused by the fact that the side surfaces between fingers bear larger stress by stirring or pushing the pick 5 by two fingers, the pressing surface with a larger area can ensure that the stress is closer to a plane in the spreading direction, and the stress concentration is weakened, so that the pressing of the fingers is more comfortable.

Specifically, the lock hole 18 is internally provided with at least one pressed surface 19 with an inclined surface, and the inner pin 16 is deeply pushed into the lock hole 18 to press the pressed surface 19, so that the positioning pin 4 is separated from the two locking surfaces (8 a, 8 b); the purpose is to realize a purpose of normal lock, under the condition that no external force exists, the spring 6 can push the locating pin 4 to move towards the thrust groove in the free expansion process, in addition, when the lock is unlocked, the inclined arrangement of the pressure bearing surface 19 can enable the inner pin 16 to obtain a pressure point close to the center of the pressure bearing surface 19, so that the length of a force arm is reduced, and the locating pin 4 can reciprocate more smoothly.

In order to maintain the movement of the inner pin 16 in the lock hole 18, a pin shaft 20 is further included in the guitar, the pin shaft 20 passes through the positioning pin 4 and the limiting through hole 21 on the inner pin 16, so that the inner pin 16 is limited in the lock hole 18, and two ends of the limiting through hole 21 extend in the movement directions corresponding to the positioning pin 4 and the inner pin 16 respectively.

The above embodiments are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.

Claims

1. A locking mechanism for a guitar, comprising:

the two locking surfaces of the thrust groove are respectively parallel to the positive thrust surface and the guide surface of the positioning pin, and the force generated by the outward pulling of the telescopic rod acts on the guide surface of the positioning pin to release the current adjusting section along the direction of the positive thrust surface and slides into the thrust groove of the other second form; the guide surface is formed by inclining a part of the area of the anti-thrust surface towards the bottom surface of the positioning pin.

2. A locking mechanism for guitar as claimed in claim 1, wherein the second form of thrust slot has inter-communicating relief slots which function to relieve the counter thrust surface when sliding, the locating pin having a guide surface which is slid into the next second form of thrust slot by the telescopic rod under the influence of external force and is not limited by the relief slots.

3. A locking mechanism for a guitar as claimed in claim 1, wherein the reciprocable locating pin is provided with a spring within the guitar, one end of the spring bearing against the locating pin.

4. A locking mechanism for a guitar as claimed in claim 1, wherein the detent pin has a pick extending beyond the guitar, and wherein the detent pin is releasable from the first form of the positive and negative stop surfaces from the two locking surfaces by toggling or pushing the pick.

5. A locking mechanism for a guitar as in claim 1, further comprising an internal pin formed in the interior of the guitar, the internal pin being insertable into the locking aperture of the locating pin such that the positive and negative thrust surfaces of the locating pin are captured by the two locking surfaces.

6. A locking mechanism for a guitar as in claim 5, wherein the locking aperture has at least one angularly disposed compression surface therein, and wherein the inner pin is depressed toward the locking aperture to disengage the locking pin from the two locking surfaces.

7. The locking mechanism for guitar as recited in claim 6, further comprising a pin disposed within the guitar, the pin passing through the locating pin and the limiting via hole in the inner pin such that the inner pin is limited in the locking hole, and wherein two ends of the limiting via hole extend respectively in a direction corresponding to the moving directions of the locating pin and the inner pin, and wherein the locating pin reciprocates in the locking hole direction without limitation due to the extending of the via hole.

8. An electric guitar, characterized in that it comprises a locking mechanism for the guitar according to any of claims 1-7.

9. An electric guitar as claimed in claim 8, characterized in that the interior of the electric guitar is provided with a ball guide comprising a slide rail and a slide block, on which the telescopic rod is arranged.

10. An electric guitar as claimed in claim 9, characterized in that the surface of the electric guitar is provided with an opening, which corresponds to the pick.