CN109538598B

CN109538598B - Sound box bolt

Info

Publication number: CN109538598B
Application number: CN201811399933.7A
Authority: CN
Inventors: 张海敏; 黄定官; 贾杜娟; 花晶; 程华波
Original assignee: Anhui Polytechnic University
Current assignee: Anhui Polytechnic University
Priority date: 2018-11-22
Filing date: 2018-11-22
Publication date: 2020-05-29
Anticipated expiration: 2038-11-22
Also published as: CN109538598A

Abstract

The invention discloses a sound box bolt which comprises an inserting part and a locking part, wherein the inserting part and the locking part are respectively arranged at two parts of a sound box to be locked, two lock pins are arranged on the inserting part in a sliding manner, a locking assembly is arranged in the locking part, and the locking assembly compresses and locks the lock pins when the lock pins are matched with the locking part.

Description

Sound box bolt

Technical Field

The invention relates to the technical field of sound equipment, in particular to a sound box bolt.

Background

Along with the improvement of living standard of people, people's pursuit to the music is also more and more strong, and more people can select to listen to the concert, and the sound box is as the indispensable equipment in concert place, and its importance can be thought of, can use various bolts when the sound box assembly, and the sound box can produce continuous vibration when using, can make bolt junction produce not hard up when using for a long time, influences the life of sound box.

Disclosure of Invention

In view of the above, the present invention is directed to an apparatus that solves one or both of the above problems.

The invention provides a sound box bolt based on the above purpose, which comprises an inserting part and a locking part, wherein the inserting part and the locking part are respectively arranged at two parts of a sound box which need to be locked, two lock pins are arranged on the inserting part in a sliding way, a locking component is arranged in the locking part, and when the lock pins are matched with the locking part, the locking component compresses and locks the lock pins.

Further, grafting portion includes the fixed block, the fixed block passes through bolted connection's mode and installs on the sound box, a surface of fixed block is equipped with the spout, be equipped with two cotter ways, two along its length direction level in the fixed block the cotter way with the spout is linked together, and link up the fixed block is kept away from the terminal surface of spout, another surface of fixed block is equipped with the operation groove, the operation groove with the spout is linked together, slidable mounting has the operation piece, two in the spout the lockpin slidable mounting respectively in the cotter way, and with the operation piece is connected, slidable mounting has fixedly in the operation groove the operating parts of operation piece position.

Furthermore, the operating part comprises an operating handle, a threaded connecting rod is arranged on one side of the operating handle, a compression sleeve is sleeved in the threaded connecting rod, a compression spring is installed between the compression sleeve and the operating handle, the end part of the threaded connecting rod is installed on the operating block in a threaded connection mode, and an anti-slip gasket is arranged at one end, far away from the operating handle, of the compression sleeve.

Furthermore, the locking part comprises a locking piece, the locking piece is provided with two locking holes matched with the lock pins, the middle part of the locking piece is provided with an installation block, the installation block is provided with an installation groove, a matching groove communicated with the installation groove and the locking holes is arranged between the installation groove and the locking holes, and the locking component is installed in the installation groove and matched with the matching groove.

Furthermore, the locking assemblies are two groups, each locking assembly comprises two locking pins, one ends of the two locking pins, which are close to each other, are slidably mounted in the mounting grooves, the other ends of the two locking pins are mounted in the matching grooves in a matching mode, driving locking assemblies are mounted between the two locking pins, the driving locking assemblies drive the two locking pins to synchronously and reversely move, and elastic pieces for driving the locking pins to reset are further mounted between the locking pins and the mounting grooves.

Furthermore, arc-shaped grooves are formed in the ends, close to each other, of the two locking pins, when the two locking pins are close to each other, the two arc-shaped grooves surround an oval cavity, the long half shaft of the oval cavity is perpendicular to the movement direction of the locking pins, and the driving locking assembly is installed in the oval cavity.

Further, drive locking subassembly includes the guide post, the guide post is vertical to be installed the middle part of oval cavity, the middle part of guide post is equipped with the rotation hole, two guide ways, two have been seted up to the symmetry on the outer wall of guide post the guide way with rotation hole intercommunication, and two the projection of guide way is the circular arc of quarter, the guide post outer wall with the locking groove has been seted up to the shortest one side of arc recess distance, the locking groove with the guide way communicates mutually, and is located the below of guide way, slidable mounting has the drive ejector pin in the guide way, rotate downthehole rotation and install drive handle, drive handle with the drive ejector pin is connected.

Furthermore, rubber pads are adhered to the end faces, far away from each other, of the two locking pins, and when the locking pins are locked, the rubber pads are driven by the locking pins to enter the locking holes.

The sound box bolt provided by the invention has the advantages that the arrangement of the locking assembly prevents the inserting part and the locking part from loosening and falling off when the sound box vibrates, the service life of the sound box is ensured, the deformation of the lock pin caused by vibration is absorbed by the arrangement of the rubber pad, and the influence of vibration on the driving locking assembly is reduced.

Drawings

FIG. 1 is a schematic view of a sound box latch of an embodiment of the present invention;

FIG. 2 is a schematic view of a plug-in part according to an embodiment of the present invention;

FIG. 3 is a schematic view of an operating member according to an embodiment of the present invention;

FIG. 4 is an exploded view of a closure according to an embodiment of the present invention;

FIG. 5 is a schematic view of the locking pins of an embodiment of the present invention as they approach each other;

FIG. 6 is a schematic view of the locking portion of the embodiment of the present invention with one of the actuating handles hidden.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.

As an embodiment of the invention, as shown in fig. 1, the sound box latch comprises an inserting part 1 and a locking part 2, the inserting part 1 and the locking part 2 are respectively fixedly installed at two positions of the sound box to be locked in a bolt connection manner, two lock pins 3 are slidably installed on the inserting part 1, a locking assembly 4 is installed in the locking part 2, when the locking is required, the lock pins 3 are matched into the locking part 2, the locking assembly 4 is operated, the locking assembly 4 tightly presses and locks the lock pins 3, the sound box is prevented from being loosened and falling off between the inserting part 1 and the locking part 2 when vibrating, and the service life of the sound box is ensured.

Further, as shown in fig. 2, the insertion part 1 includes a fixed block 11, the fixed block 11 is installed on the sound box through bolted connection's mode, a surface of the fixed block 11 is equipped with the spout 12, be equipped with two cotters (not shown), two along its length direction level in the fixed block 11 the cotter with the spout 12 is linked together, and link up the fixed block 11 is kept away from the terminal surface of spout 12, another surface of fixed block 11 is equipped with operation groove 13, operation groove 13 with the spout 12 is linked together, slidable mounting has an operation block 14 in the spout 12, two lockpin 3 slidable mounting respectively in the cotter, and with the operation block 14 is connected through the mode of bolt fastening, slidable mounting has the fixed in the operation groove 13 the operating part 15 of operation block 14 position. When locking is required, an operator drives the operating block 14 to slide in the sliding groove 12 through the operating part 15, and the operating block 14 drives the two lock pins 3 to move towards the locking part 2 and to be installed in the locking part 2 in a matching mode.

In order to prevent when the vertical installation of fixed block 11, operation block 14 landing under the effect of gravity, as shown in fig. 3, operation piece 15 includes operating handle 151, one side of operating handle 151 is equipped with threaded connection rod 152, threaded connection rod 152 endotheca is equipped with compression sleeve 153, compression sleeve 153 with install pressure spring 154 between the operating handle 151, threaded connection rod 152's tip is installed through threaded connection's mode on the operation block 14, compression sleeve 153 is kept away from the one end of operating handle 151 is equipped with anti-skidding packing ring 155. The operating handle 151 is connected with the inner dust cover operating block 14 through the threaded connecting rod 152, the pressing sleeve is attached to the fixed block 11 under the action of the pressing spring 154, the anti-slip gasket 155 increases the friction force between the pressing sleeve 153 and the fixed block 11, the pressing sleeve 153 is enabled to be relatively static with the fixed block 11, the operating block 14 is prevented from sliding down due to the action of gravity when being installed, when the locking is carried out, an operator pulls the pressing sleeve 153 towards the operating handle 151 to enable the anti-slip gasket 155 to be separated from the fixed block 11, then the operator moves the operating handle 151 to drive the operating block 14 to slide, the pressing sleeve 153 is released, the pressing sleeve 153 presses the fixed block 11 under the action of the pressing spring 154, when the pressing spring 154 becomes loose after being used for a long time, the threaded connecting rod 152 can be continuously screwed, and the pressing spring 154 can.

In order to realize locking and fixing, as shown in fig. 4, the locking portion 2 includes a locking member 21, a locking hole 22 matched with the two lock pins 3 is formed in the locking member 21, an installation block 23 is arranged in the middle of the locking member 21, an installation groove 24 is formed in the installation block 23, a matching groove 25 communicated with the installation groove 24 and the locking hole 22 is formed between the installation groove 24 and the locking hole 22, the locking component 4 is installed in the installation groove 24 and matched with the matching groove 25, and a protection cover 26 is further fastened above the locking member 21. During locking, the lock pin 3 is matched into the locking hole 22, the locking assembly 4 is operated, the locking assembly 4 enters the locking hole 22 through the matching groove 25 and is contacted and pressed with the lock pin 3, and the lock pin 3 is fixed.

In order to strengthen the locking of the lock pin 3, the locking assemblies 4 are two groups, each locking assembly 4 includes two locking pins 41, one ends of the two locking pins 41 close to each other are slidably mounted in the mounting groove 24, the other ends of the two locking pins 41 are mounted in the matching groove 25 in a matching manner, a driving locking assembly 42 is mounted between the two locking pins 41, the driving locking assembly 42 drives the two locking pins 41 to synchronously and reversely move, and an elastic member for driving the locking pins 41 to reset is further mounted between the locking pins 41 and the mounting groove 24. The locking assembly 42 is driven to simultaneously drive the locking pin 41 to move towards the locking hole 22, so that the locking pin 3 is locked.

In order to reduce the size of the driving locking assembly 42 and simplify the structure of the device, as shown in fig. 5, the ends of the two locking pins 41 close to each other are provided with arc-shaped grooves 411, when the two locking pins 41 close to each other, the two arc-shaped grooves 411 surround an oval cavity 412, the semi-length axis of the oval cavity 412 is perpendicular to the moving direction of the locking pins 41, and the driving locking assembly 42 is installed in the oval cavity 412. When the locking is not needed, the driving locking component 42 is not contacted with the locking pin 41, when the locking is needed, the driving locking component 4 is matched with the arc-shaped groove 411 to push the locking pin 41 to move, and when the locking is unlocked, the locking pin 41 is reset under the driving of the elastic piece, wherein the elastic piece can be a spring.

Further, as shown in fig. 6, the driving locking assembly 42 includes a guide column 421, the guide column 421 is vertically installed in the middle of the elliptical cavity 412, a rotation hole 422 is formed in the middle of the guide column 421, two guide grooves 423 are symmetrically formed in the outer wall of the guide column 421, the two guide grooves 423 are communicated with the rotation hole 422, the projection of the two guide grooves 423 is a quarter of an arc, a locking groove 424 is formed in the outer wall of the guide column 421 and the side of the arc-shaped groove 411 with the shortest distance, the locking groove 424 is communicated with the guide groove 423 and is located below the guide groove 423, a driving push rod 425 is slidably installed in the guide groove 423, a driving handle 426 is rotatably installed in the rotation hole 422, and the driving handle 426 is connected with the driving push rod 425. When the locking device is used, the driving handle 426 drives the driving ejector rod 425 to rotate, the driving ejector rod 425 slides in the guide groove 423, the driving ejector rod 425 contacts with the arc-shaped groove 411 when rotating, the locking pin 41 is ejected to move, after the driving handle 426 drives the driving ejector rod 425 to rotate for 90 degrees, the driving ejector rod 425 is positioned above the locking groove 424, the driving handle 426 is pressed downwards, the driving handle 426 drives the driving ejector rod 425 to enter the locking groove 424, the locking pin 41 is locked, the driving locking component 42 is prevented from falling off when the sound box vibrates, in order to further reduce the influence of the sound box vibration on the locking pin, rubber pads are adhered to the end faces of the two locking pins 41, which are far away from each other, when the locking pin 41 drives the rubber pads to enter the locking holes 22 during locking, and when the driving handle 426 does not rotate completely, the rubber pads are already contacted with the locking pin 3, at this time, the driving handle 426 is continuously rotated, the driving push rod 425 drives the locking pin 41 to continuously press the rubber pad, and when vibration occurs, the rubber pad absorbs the deformation of the locking pin 3 caused by the vibration, thereby reducing the influence of the vibration on the driving locking assembly 42.

When the locking device is used and needs to be locked, an operator pulls the compression sleeve 153 towards the direction of the operating handle 151 to separate the anti-slip gasket 155 from the fixed block 11, then the operator moves the operating handle 151 to drive the operating block 14 to slide, and the operating block 14 drives the two lock pins 3 to move towards the locking part 2 and to be installed in the locking part 2 in a matching manner;

the driving handle 426 drives the driving ejector rod 425 to rotate, the driving ejector rod 425 slides in the guide groove 423, the driving ejector rod 425 contacts with the arc-shaped groove 411 when rotating, the locking pin 41 is pushed to move, the rubber pad contacts with the locking pin 3 firstly, the driving handle 426 is rotated continuously, after the driving ejector rod 425 is driven by the driving handle 426 to rotate for 90 degrees, the rubber pad completely compresses the locking pin 3, the driving ejector rod 425 is located above the locking groove 424, the driving handle 426 is pressed downwards, the driving handle 426 drives the driving ejector rod 425 to enter the locking groove 424, and locking of the locking pin 41 is completed; according to the invention, the locking assembly 4 is arranged to prevent the inserting part 1 and the locking part 2 from loosening and falling off when the sound box vibrates, so that the service life of the sound box is ensured, and the rubber pad is arranged to absorb the deformation of the lock pin 3 caused by vibration, so that the influence of vibration on the driving locking assembly 42 is reduced.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. A sound box bolt is characterized by comprising an inserting part and a locking part, wherein the inserting part and the locking part are respectively arranged at two positions of a sound box to be locked, two lock pins are arranged on the inserting part in a sliding manner, a locking component is arranged in the locking part, when the lock pins are matched with the locking part, the locking component compresses and locks the lock pins, the locking part comprises a locking component, locking holes matched with the two lock pins are arranged on the locking component, an installation block is arranged in the middle of the locking component, an installation groove is arranged on the installation block, a matching groove communicated with the installation groove is arranged between the installation groove and the locking holes, the locking component is arranged in the installation groove and matched with the matching groove, the locking components are divided into two groups, the locking component comprises two locking pins, one ends, close to each other, of the two locking pins are arranged in the installation groove in a sliding manner, the other ends of the two locking pins are installed in the matching grooves in a matching mode, a driving locking assembly is installed between the two locking pins, the driving locking assembly drives the two locking pins to move in a synchronous and reverse mode, and an elastic piece for driving the locking pins to reset is installed between the locking pins and the installation grooves.

2. The sound box latch according to claim 1, wherein the insertion part comprises a fixed block, the fixed block is mounted on the sound box by means of a bolt connection, one surface of the fixed block is provided with a sliding groove, the fixed block is horizontally provided with two pin grooves along a length direction thereof, the two pin grooves are communicated with the sliding groove and penetrate through the end surface of the fixed block away from the sliding groove, the other surface of the fixed block is provided with an operation groove, the operation groove is communicated with the sliding groove, an operation block is slidably mounted in the sliding groove, the two lock pins are respectively slidably mounted in the pin grooves and connected with the operation block, and an operation member for fixing a position of the operation block is slidably mounted in the operation groove.

3. The acoustic box pin according to claim 2, wherein the operating member comprises an operating handle, a threaded connecting rod is arranged on one side of the operating handle, a compression sleeve is sleeved in the threaded connecting rod, a compression spring is arranged between the compression sleeve and the operating handle, the end of the threaded connecting rod is arranged on the operating block in a threaded connection manner, and an anti-slip washer is arranged at one end of the compression sleeve, which is far away from the operating handle.

4. The acoustic box pin according to claim 1, wherein the ends of the two locking pins that are close to each other are provided with arc-shaped grooves, when the two locking pins are close to each other, the two arc-shaped grooves enclose an elliptical cavity, the major axis of the elliptical cavity is perpendicular to the moving direction of the locking pins, and the driving locking component is installed in the elliptical cavity.

5. The sound box bolt according to claim 4, wherein the driving locking component comprises a guide post vertically installed in the middle of the oval cavity, a rotation hole is formed in the middle of the guide post, two guide grooves are symmetrically formed in the outer wall of the guide post, the two guide grooves are communicated with the rotation hole, the projection of the two guide grooves is a quarter of a circular arc, a locking groove is formed in the outer wall of the guide post and the side of the arc groove with the shortest distance, the locking groove is communicated with the guide grooves and located below the guide grooves, a driving ejector rod is slidably installed in the guide grooves, a driving handle is rotatably installed in the rotation hole, and the driving handle is connected with the driving ejector rod.

6. The acoustic box pin as claimed in claim 4, wherein rubber pads are adhered to the end faces of the two locking pins that are away from each other, and when locked, the locking pins drive the rubber pads into the locking holes.