Locking knob for hanging connection of sound equipment

Abstract

The utility model relates to the field of loudspeaker box hanging, in particular to a locking knob for loudspeaker box hanging connection, which comprises a base plate, a knob and a rotating shaft, the base plate is provided with a mounting groove, the rotating shaft is rotatably connected with the base plate, the knob is fixedly connected with the rotating shaft, the knob is arranged in the mounting groove, and the rotating shaft is fixedly connected with the base plate. The rotary knob can move by a limited distance in the axis direction of the rotating shaft, the rotating shaft is further sleeved with a first spring, one end of the first spring is fixedly connected with the rotary knob, and the other end of the first spring is fixedly connected with the base plate. By arranging the rotating shaft, the rotary knob, the first spring and other structures, the rotary knob can be switched between a rotating state and a moving state, by arranging the positioning column and the positioning hole, locking is firm in the locking state, locking firmness can be guaranteed while disassembly and assembly are kept easy and convenient, and safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sound box hanging field especially relates to a locking knob for sound box hanging connection. BACKGROUND

[0002] Large sound boxes are generally applied to large commercial places or school playgrounds and the like relatively open sites, and single large sound box placement leads to poor sound effect in site display, thereby affecting the music playing effect of the whole occasion, therefore, multiple sound boxes or the combination of multiple sound boxes are often hung up to better play a role, make the sound played by the sound box cover the whole site, and the effect is better.

[0003] In order to facilitate disassembly and installation, there is a hanging device for locking by a utility knob, but the existing hanging device does not have power assistance, in order to avoid disassembly difficulty, the locking of the knob is not firm enough, and there is a safety hazard. Therefore, it is necessary to improve such a structure to overcome the above-mentioned defects. INVENTION CONTENTS

[0004] The utility model discloses a locking knob for sound box hanging connection, which overcomes the defects of the prior art.

[0005] A locking knob for sound box hanging connection, comprising a base plate, the base plate is provided with a mounting groove, further comprising a knob and a rotating shaft, the rotating shaft is rotatably connected with the base plate, the knob is fixedly connected with the rotating shaft, and the knob is arranged in the mounting groove, the knob can move a limited distance along the axis direction of the rotating shaft, a first spring is further sleeved on the rotating shaft, one end of the first spring is fixedly connected with the knob, and the other end is fixedly connected with the base plate.

[0006] In the above technical solution, the base plate is used to set the mounting groove, the mounting groove is used to set the knob, and the rotating shaft is used to transmit power; the knob can move along the axis direction of the rotating shaft to change the knob from the clamping state to the movable state; the first spring is used to make the knob automatically return after moving along the axial direction of the rotating shaft, so that the knob can maintain the position of the clamping state when in the clamping state.

[0007] The utility model further provides that the mounting groove is provided with a positioning hole, the knob is provided with a positioning column on one end side surface close to the mounting groove, and the positioning column can approach or move away from the mounting groove, and the diameter of the positioning column is consistent with that of the positioning hole.

[0008] In the technical scheme, the positioning hole cooperates with the positioning column to make the knob reach the clamping state, at which time the knob cannot rotate, the sliding plate is fixed and abuts against the contact surface of the hook, so that the hook cannot be separated from the first connecting column automatically, thereby achieving locking.

[0009] The utility model discloses further provide: the knob is provided with mounting hole, the positioning column is arranged in the mounting hole, still be provided with second spring in the mounting hole, one end of second spring keeps contact with the bottom of mounting hole, and the other end keeps contact with the positioning column.

[0010] In the technical scheme, the mounting hole is used for setting the second spring and realizing the approaching or moving away of the positioning column from the groove, so that when the knob is rotated to the clamping position, the positioning column can pop out of the mounting hole and be clamped into the positioning hole, and when the knob is not rotated to the clamping position, the positioning column will not hinder the rotation of the knob; the second spring is used for providing power.

[0011] The utility model discloses further provide: the one side of the base plate is not provided with the installation groove is provided with the placing groove, the position of placing groove corresponds with installation groove, the rotating shaft reaches the position of placing groove after penetrating through installation groove bottom surface, and the end of rotating shaft is provided with installation step.

[0012] In the technical scheme, the placing groove is used for setting the torsional spring; and the installation step is used for setting the torsional spring.

[0013] The utility model discloses further provide: the torsional spring is arranged in the placing groove, and the torsional spring includes a torsional portion and two extension feet connected to the two ends of the torsional portion respectively, and the torsional portion is sleeved on the installation step.

[0014] In the technical scheme, the torsional spring is used for assisting power.

[0015] The utility model discloses further provide: still be provided with two clamping blocks in the placing groove, two clamping blocks and two ends of torsional spring abut, be provided with two clamping ports on the installation step, and the two extension feet of torsional spring are clamped.

[0016] In the technical scheme, the clamping port and the clamping block are used for cooperating with the torsional spring to realize the function of the torsional spring.

[0017] The utility model discloses further provide: still fixedly connected with the limiting end on the installation step, one end of torsional portion keeps contact with the limiting end, and the other end keeps contact with the step surface of installation step.

[0018] In the technical scheme, the limiting end is arranged to avoid the torsional spring from falling off the rotating shaft when the knob is pulled.

[0019] The utility model discloses a locking knob for audio hanging connection compares with prior art,

[0020] 1. The utility model discloses through setting up rotating shaft, knob and first spring etc. structure, make the knob can convert between the rotating state and the active state, and through the setting of positioning column and positioning hole, make the locking firm when locking state, make the simple and convenient of keeping dismounting and installation, can also guarantee locking firm, improved security,

[0021] 2. The utility model discloses still through the setting of torsional spring, provide the power for locking, provide the damping for unlocking, make locking more convenient, avoid the possibility that the knob is under the influence of audio vibration and causes the unlocking of loosening simultaneously, and security is further improved. DRAWINGS

[0022] Figure 1 It is the schematic diagram of the utility model's mounting groove;

[0023] Figure 2 It is the schematic diagram of the utility model's mounting groove;

[0024] Figure 3 It is the schematic diagram of the utility model's positioning column place's cross section;

[0025] Figure 4 It is the schematic diagram of the utility model's rotating shaft.

[0026] The corresponding component name that figure number and letter indicate: 10 - base plate;101 - mounting groove;101a - positioning hole;102 - placing groove;102a - clamping block;20 - knob;201 - positioning column;202 - mounting hole;203 - second spring;30 - rotating shaft;301 - mounting step;302 - limit end;40 - first spring;50 - torsional spring;501 - torsion part;502 - extension foot. DETAILED DESCRIPTION

[0027] The embodiment of the utility model is explained in detail below, and the embodiment is implemented under the premise of the utility model technical scheme, and detailed implementation mode and specific operation process are given, but the protection scope of the utility model is not limited to the following embodiment.

[0028] As Figures 1-4The utility model provides a locking knob for audio hanging connection, including base plate 10, be provided with installation groove 101 on base plate 10, still include knob 20 and rotating shaft 30, rotating shaft 30 is connected with base plate 10 rotation, knob 20 is fixedly connected with rotating shaft 30, and knob 20 is set in installation groove 101, knob 20 can be moved in the axis direction of rotating shaft 30 limited distance, rotating shaft 30 still sets up first spring 40 on it, one end of first spring 40 is fixedly connected with knob 20, and the other end is fixedly connected with base plate 10, wherein the diameter of recess is consistent with the diameter of knob 20, and rotating shaft 30 is used to connect control piece to realize the control to the connecting piece between audio.

[0029] As Figures 1-4 The utility model provides a locking knob for audio hanging connection, and the installation groove 101 is provided with positioning hole 101a, and the one end side of knob 20 close to installation groove 101 is provided with positioning column 201, and positioning column 201 can be close to or away from installation groove 101, and the diameter of positioning column 201 and positioning hole 101a is consistent, wherein the length of positioning column 201 is not less than the depth of positioning hole 101a, preferably, can set up two positioning holes 101a, and two positioning holes 101a are located on the same diameter, and one positioning hole 101a is used as locking position, and the other positioning hole 101a is used as unlocking position.

[0030] As Figures 1-4 The utility model provides a locking knob for audio hanging connection, and the installation hole 202 is provided on knob 20, positioning column 201 is set in installation hole 202, second spring 203 is also set in installation hole 202, one end of second spring 203 keeps contact with the bottom of installation hole 202, and the other end keeps contact with positioning column 201, wherein the length of positioning column 201 is less than the depth of installation hole 202.

[0031] As Figures 1-4 The utility model provides a locking knob for audio hanging connection, and the one side of base plate 10 not provided with installation groove 101 is provided with placing groove 102, the position of placing groove 102 corresponds with installation groove 101, rotating shaft 30 reaches the position of placing groove 102 after penetrating through the bottom surface of installation groove 101, and the end of rotating shaft 30 is provided with installation step 301.

[0032] As Figures 1-4As shown in the utility model discloses a kind of locking knobs for sound hanging connection, placing groove 102 inside is provided with torsion spring 50, torsion spring 50 includes torsion portion 501 and two extension feet 502 connected at the two ends of torsion portion 501 respectively, the torsion portion 501 is set on the installation step 301. Among them, the depth of the placing groove 102 is greater than the overall length of the torsion spring 50, so that the torsion spring 50 can be moved along the axial direction of the rotating shaft 30 with the rotating shaft 30 for a certain distance.

[0033] As Figures 1-4 shown, the utility model discloses a kind of locking knobs for sound hanging connection, placing groove 102 inside is also provided with two clamping blocks 102a, two the clamping block 102a and the two ends of torsion spring 50 abut, two clamping holes are provided on the installation step 301, and the two extension feet 502 of torsion spring 50 are clamped.

[0034] As Figures 1-4 shown, the utility model discloses a kind of locking knobs for sound hanging connection, still fixedly connected with limiting end 302 on the installation step 301, one end of torsion portion 501 keeps contact with the limiting end 302, and the other end keeps contact with the step surface of installation step 301. Among them, preferably, the step surface of the installation step 301 can be provided with ring groove, and the torsion portion 501 of the torsion spring 50 can be placed into the ring groove.

[0035] The working principle of the utility model is:

[0036] a) when locking is needed, pull the knob outward, and the positioning column is removed from the first positioning hole;

[0037] b) then rotate the knob, and the torsion spring releases elastic potential energy, achieving power assistance;

[0038] c) after rotating a certain angle, press the knob down, so that the positioning column is retracted into the mounting hole, and the second spring is compressed;

[0039] d) continue to rotate the knob to the locking position, and the positioning column is aligned with the second positioning hole;

[0040] e) under the action of the second spring, the positioning column is pushed out and clamped into the second positioning hole, achieving locking;

[0041] f) when unlocking is needed, pull the knob outward, and the positioning column is pulled out of the positioning hole;

[0042] g) after rotating a certain angle, press the knob down, so that the positioning column is retracted into the mounting hole, and the second spring is compressed;

[0043] h) turn the knob, the torsion spring is deformed, until the positioning column and the first positioning hole position alignment;

[0044] i) under the action of the second spring, the positioning column is pushed out, clamped into the first positioning hole, so that the knob is always kept in the unlocked position.

[0045] The above, only for the preferred specific embodiments of the present application, but the scope of the present application is not limited to this, any skilled in the technical field within the scope of the present application disclosed by the technical personnel, according to the technical scheme of the present application and the utility model concept of the present application to replace or change, should be covered in the scope of the present application.

[0046] It should be noted that in this article, such as the first and second relationship terms such as only to distinguish one entity or operation with another entity or operation, and does not necessarily require or imply that there is any such actual relationship or order between the entity or operation. Moreover, the term "includes", "contains" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements, not only includes those elements, but also includes other elements not explicitly listed, or also includes the inherent elements of such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

Claims

1. A locking knob for acoustic suspension connection, comprising a base plate (10), wherein a mounting groove (101) is arranged on the base plate (10), characterized in that: Also include a knob (20) and rotating shaft (30), the rotating shaft (30) is rotatably connected with the base plate (10), the knob (20) is fixedly connected with the rotating shaft (30), and the knob (20) is arranged in the mounting groove (101), the knob (20) can be moved in the axial direction of the rotating shaft (30) by a limited distance, and the rotating shaft (30) is further sleeved with a first spring (40), one end of the first spring (40) is fixedly connected with the knob (20), and the other end is fixedly connected with the base plate (10).

2. A locking knob for acoustic suspension connections according to claim 1, characterized in that: The mounting groove (101) is provided with a positioning hole (101a), the knob (20) is provided with a positioning column (201) on one side surface close to the mounting groove (101), and the positioning column (201) can be close to or away from the mounting groove (101), and the diameters of the positioning column (201) and the positioning hole (101a) are consistent.

3. A locking knob for acoustic suspension attachment according to claim 2, wherein: The knob (20) is provided with a mounting hole (202), the positioning column (201) is arranged in the mounting hole (202), and a second spring (203) is further arranged in the mounting hole (202), one end of the second spring (203) is in contact with the bottom of the mounting hole (202), and the other end is in contact with the positioning column (201).

4. A locking knob for acoustic suspension connections according to claim 2 or 3, characterized in that: One side surface of the base plate (10) not provided with the mounting groove (101) is provided with a placing groove (102), the placing groove (102) corresponds to the mounting groove (101), the rotating shaft (30) penetrates the bottom surface of the mounting groove (101) and reaches the position of the placing groove (102), and the end of the rotating shaft (30) is provided with a mounting step (301).

5. A locking knob for acoustic suspension attachment according to claim 4, wherein: The placing groove (102) is provided with a torsional spring (50), the torsional spring (50) includes a torsional portion (501) and two extension feet (502) connected at two ends of the torsional portion (501), respectively, and the torsional portion (501) is sleeved on the mounting step (301).

6. A locking knob for acoustic suspension connections according to claim 5, wherein: The placing groove (102) is further provided with two clamping blocks (102a), the two clamping blocks (102a) are in abutment with the two ends of the torsional spring (50), the mounting step (301) is provided with two clamping holes, and the two extension feet (502) of the torsional spring (50) are clamped.

7. A locking knob for acoustic suspension connections according to claim 6, wherein: The mounting step (301) is further fixedly connected with a limiting end (302), one end of the torsional portion (501) is in contact with the limiting end (302), and the other end is in contact with the step surface of the mounting step (301).

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