CN108468690B - Automatic bolt and array type loudspeaker box with same - Google Patents
Automatic bolt and array type loudspeaker box with same Download PDFInfo
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- CN108468690B CN108468690B CN201810488206.1A CN201810488206A CN108468690B CN 108468690 B CN108468690 B CN 108468690B CN 201810488206 A CN201810488206 A CN 201810488206A CN 108468690 B CN108468690 B CN 108468690B
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- lug connecting
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- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 15
- 230000006872 improvement Effects 0.000 description 8
- 210000005069 ears Anatomy 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/20—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using bayonet connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Connection Of Plates (AREA)
- Railway Tracks (AREA)
Abstract
The invention provides an automatic bolt and an array type sound box with the same, wherein the automatic bolt comprises an automatic locking device and a single-lug connecting rod; the automatic bolt component comprises a first shell, a second shell, a bolt seat and an elastic fastener; the bolt is arranged in the bolt seat, a limiting boss is arranged on the bolt seat, and a gap is reserved between the two limiting bosses; the elastic fastener comprises a mounting part, two adjacent limiting parts are arranged on the mounting part, each limiting part comprises a first limiting part and a second limiting part, the length of each first limiting part is larger than that of each second limiting part, the end part of each first limiting part abuts against or is separated from a limiting boss close to the corresponding first limiting part, and the end part of each second limiting part is located in a gap between the limiting bosses or abuts against the corresponding limiting boss close to the corresponding second limiting part. When the single-lug connecting rod and the double-lug connecting rod are spliced, the bolt can be automatically spliced into the bolt hole, so that the single-lug connecting rod and the double-lug connecting rod are more convenient and rapid to splice, the mounting difficulty is lower, and the mounting efficiency is higher.
Description
Technical Field
The invention relates to the technical field of bolts, in particular to an automatic bolt and an array type sound box with the same.
Background
The existing bolt component comprises a single-lug connecting rod, a double-lug connecting rod and a bolt, wherein the end parts of the double-lug connecting rod are provided with inserting grooves which are U-shaped, the two side walls of the U-shaped inserting grooves and the end parts of the single-lug connecting rod are respectively provided with corresponding bolt holes, when the bolt component is installed, the single-lug connecting rod is inserted into the double-lug connecting rod, then the bolt is manually inserted into the bolt holes, the bolt connects the end parts of the single-lug connecting rod and the double-lug connecting rod together and is vertical to the end parts of the single-lug connecting rod and the double-lug connecting rod; when dismantling, also need the staff to remove the bolt in the bolt hole by hand, make the tip of monaural connecting rod and ears connecting rod lose spacingly, thereby make monaural connecting rod and ears connecting rod mutually separate, therefore current bolt subassembly exists the installation inconvenience, dismantle inconvenient problem, especially when the other end of monaural connecting rod and ears connecting rod is heavy subassembly respectively, in the in-process of inserting the monaural connecting rod into ears connecting rod, need advance to carry out the counterpoint, then take the bolt again and peg graft it in the bolt hole, whole operating procedure all needs the staff manual operation, then need the staff to support the heavy subassembly of this quality continually, staff's physical labor intensity is great, the installation effectiveness of whole bolt is lower, the installation degree of difficulty is great.
Disclosure of Invention
The invention provides an automatic bolt, which is convenient to operate and high in installation efficiency when the automatic bolt is inserted into a double-lug connecting rod in the single-lug connecting rod.
The technical scheme adopted by the invention is that the automatic bolt comprises an automatic locking device and a single-lug connecting rod which is used for being inserted into the automatic locking device; the automatic locking device comprises an automatic bolt assembly and a double-lug connecting rod matched with the single-lug connecting rod, one end of the double-lug connecting rod is provided with a splicing groove for splicing the single-lug connecting rod, and one end of the single-lug connecting rod and one end of the double-lug connecting rod matched with each other are also respectively provided with a bolt hole; the automatic bolt component comprises a first shell, a second shell, a bolt seat and an elastic fastener; the first shell and the second shell are covered outside one end of the bolt, the bolt seat, the elastic fastener and the double-lug connecting rod, and the first shell and the second shell are fixedly connected; the bolt seat is positioned at one side close to the second shell, a first compression spring in a compression state is arranged between the bolt seat and the second shell, one end of the bolt is fixedly connected in the bolt seat, a group of limiting bosses are respectively arranged on the front side wall and the rear side wall of the bolt seat, each group of limiting bosses comprises two adjacent limiting bosses, and a gap is reserved between the two adjacent limiting bosses; the elastic fastener comprises a mounting part, two adjacent limiting parts are arranged at one end of the mounting part, the mounting part is positioned in the inserting groove and can reciprocate along the length direction of the inserting groove, the limiting parts comprise a first limiting part and a second limiting part, the length of the first limiting part is larger than that of the second limiting part, the end part of the first limiting part is propped against or separated from a limiting boss close to the first limiting part, and the end part of the second limiting part is positioned in a gap between the limiting bosses or is propped against the limiting boss close to the second limiting part; the first shell is provided with a switch, the free end of the switch is opposite to the free end of the bolt, the switch is pressed, and the bolt seat move along the direction away from one side of the switch.
After the technical scheme is adopted, compared with the prior art, the invention has the following advantages:
when the single-lug connecting rod and the double-lug connecting rod are inserted, the bolt can be automatically inserted into the bolt hole to lock the single-lug connecting rod and the double-lug connecting rod, so that the installation difficulty between the single-lug connecting rod and the double-lug connecting rod is effectively reduced, and the insertion of the single-lug connecting rod and the double-lug connecting rod is more convenient and rapid, and the installation efficiency is higher.
As an improvement, the limiting boss is trapezoidal, one side close to the double-lug connecting rod is trapezoidal lower bottom, one side far away from the double-lug connecting rod is trapezoidal upper bottom, the length of the lower bottom is greater than that of the upper bottom, and the limiting boss is convenient for limiting the first limiting part and the second limiting part.
As an improvement, the limiting boss is in a right trapezoid shape, and a gap between the two limiting bosses is in an isosceles trapezoid shape, so that the processing is convenient.
As an improvement, the mounting part is provided with a mounting groove, a second pressure spring is arranged in the mounting groove, one end of the second pressure spring is propped against the bottom of the inserting groove, and the elastic fastener can conveniently reciprocate along the length direction of the inserting groove.
As an improvement, one end of the mounting part, which is close to the limiting part, is provided with an arc groove, and the radian of the arc groove is matched with the end part of the single-lug connecting rod, so that the single-lug connecting rod can conveniently push the elastic fastener to slide.
As an improvement, one side of the end part of the first limiting part far away from the second limiting part is provided with an L-shaped notch, the end part of the second limiting part is trapezoid, the trapezoid inclined waist is positioned on one side far away from the first limiting part, and the notch is convenient for limiting the latch seat.
As an improvement, the vertex of the second limiting part in the length direction and the midpoint of the first limiting part in the length direction of the L-shaped notch are positioned on the same vertical line, that is, the whole length of the first limiting part is greater than that of the second limiting part, and the length difference between the vertex of the second limiting part and the midpoint of the first limiting part in the length direction of the L-shaped notch is favorable for limiting or releasing the latch seat.
The safety device is characterized by further comprising a safety component, wherein the safety component comprises a torsion spring and a safety ring, one end of the torsion spring is connected with the bolt seat, the other end of the torsion spring is connected with the safety ring, a safety block is arranged on the safety ring, a safety groove matched with the safety block is arranged on the first shell, the safety groove is positioned at the lower side of the switch, the safety groove comprises a sliding groove and an arc groove which are connected in a T-shaped manner, the arc groove is distributed along the length direction of the first shell, the sliding groove is distributed along the width direction of the first shell, the width of the safety block is larger than the width of the arc groove, the width of the sliding groove is larger than the width of the safety block, the safety block can move along the length direction of the arc groove, the safety of automatic bolt is improved, and the bolt is prevented from triggering the bolt seat by mistake, so that the single-lug connecting rod and the double-lug connecting rod are disconnected.
The improved loudspeaker box comprises a loudspeaker box body, wherein one side wall of the loudspeaker box body is provided with at least one single-lug connecting rod, the other side wall opposite to the one side wall is provided with at least one automatic bolt matched with the single-lug connecting rod, the array loudspeaker box needs a plurality of boxes to be connected up and down, and the installation and disassembly efficiency of the array loudspeaker box can be improved by using the automatic bolt.
As an improvement, the two ends of one side wall of the sound box body are respectively provided with a single-lug connecting rod, the two ends of the other side wall opposite to the one side wall are respectively provided with an automatic bolt, and the two single-lug connecting rods on the two ends of the side wall are respectively matched with the two double-lug connecting rods, so that the connection stability between the sound box bodies is better.
The invention also provides an array type sound box, which comprises a sound box body, wherein one side wall of the sound box body is provided with at least one single-lug connecting rod, and the other side wall opposite to the one side wall is provided with at least one automatic bolt matched with the single-lug connecting rod.
After the technical means are adopted, compared with the prior art, the invention has the following advantages:
the connection between the box bodies in the array type sound box is more convenient and quick, the installation efficiency is higher, and the cost of manual installation is reduced.
As improvement, the both ends of a lateral wall of audio amplifier box be equipped with single ear connecting rod respectively, the both ends of another lateral wall relative with a lateral wall be equipped with automatic bolt respectively, connection stability is higher, intensity is higher, and automatic bolt and single ear connecting rod's quantity is not many, can effective control manufacturing cost.
Drawings
FIG. 1 is a schematic view of the whole structure of the present invention
FIG. 2 is an exploded view of the automatic locking device
FIG. 3 is a schematic view of a portion of an automatic locking device
FIG. 4 is a schematic view of the original state of the components of the automatic bolt
FIG. 5 is a schematic view of the automatic bolt after the components are installed
FIG. 6 is a schematic view of the process of removing the components of the automatic bolt
FIG. 7 is a schematic view of an elastic fastener structure
FIG. 8 is a schematic diagram of a latch base structure
Fig. 9 is a schematic view of a first housing structure
In the figure, 1, a single-lug connecting rod, 2, a double-lug connecting rod, 21, a plug groove, 22, a plug pin hole, 3, a first shell, 31, a chute, 32, an arc groove, 4, a second shell, 5, a plug pin, 6, a plug pin seat, 61, a limit boss, 62, a first pressure spring, 63, a gap, 7, an elastic fastener, 71, a mounting part, 711, an arc groove, 712, a mounting groove, 72, a limit part, 721, a first limit part, 7211, a notch, 722, a second limit part, 73, a second pressure spring, 8, a torsion spring, 9, a safety ring, 91, a safety block, 10 and a switch are shown.
Detailed Description
As shown in fig. 1 to 7, an automatic latch includes an automatic locker and a single-lug link 1 for inserting into the automatic locker; the automatic locking device comprises an automatic bolt assembly and a double-lug connecting rod 2 matched with the single-lug connecting rod 1, one end of the double-lug connecting rod 2 is provided with a splicing groove 21 for splicing the single-lug connecting rod 1, and the end part of the single-lug connecting rod 1 and the end part of the double-lug connecting rod 2 are respectively provided with a bolt hole 22; the automatic bolt assembly comprises a first housing 3, a second housing 4, a bolt 5, a bolt seat 6, an elastic fastener 7 and a safety assembly.
The first shell 3 and the second shell 4 are covered outside one ends of the bolt 5, the bolt seat 6, the elastic fastener 7 and the double-lug connecting rod 2, the first shell 3 and the second shell 4 are fixedly connected through screws, and notches for the single-lug connecting rod 1 and the double-lug connecting rod 2 to pass through are formed in the side walls of the first shell 3 and the second shell 4; the bolt seat 6 is positioned at one side close to the second shell 4 and a first pressure spring 62 in a compressed state is arranged between the bolt seat 6 and the second shell, one end of the bolt 5, namely the bottom end thereof, is fixedly arranged in the bolt seat 6, during production, the bolt 5 and the bolt seat 6 can be integrally formed and processed, and can be assembled after being separately and independently processed, the first pressure spring 62 integrally provides force for the bolt 5 and the bolt seat 6 to move towards the bolt hole 22, a group of limiting bosses are respectively arranged on the front side wall and the rear side wall of the bolt seat 6, each group of limiting bosses comprises two adjacent limiting bosses 61, each limiting boss 61 is trapezoidal, one side close to the double-lug connecting rod 2 is a lower bottom of the trapezoid, one side far away from the double-lug connecting rod is an upper bottom of the trapezoid, the length of the lower bottom is larger than that of the upper bottom, and a gap 63 is reserved between the two adjacent limiting bosses 61;
the elastic fastener 7 comprises a mounting part 71, two adjacent limiting parts 72 are arranged at one end of the mounting part 71, the mounting part 71 is positioned in the inserting groove 21 and can reciprocate along the length direction of the inserting groove 21, the limiting parts 72 comprise a first limiting part 721 and a second limiting part 722, the length of the first limiting part 721 is larger than that of the second limiting part 722, the end part of the first limiting part 721 is propped against or separated from a limiting boss 61 close to the first limiting part, namely positioned at the upper side, and the end part of the second limiting part is positioned in a gap 63 between the limiting bosses or propped against a limiting boss 61 close to the second limiting part, namely positioned at the lower side; the switch 10 is arranged on the first shell 3, fixing frames are arranged on two sides of the switch 10, the fixing frames are cylindrical and hollow, springs are arranged in the fixing frames, the free ends of the switch 10 are opposite to the free ends of the bolts 5 and are opposite to the bolt holes, when the switch 10 is pressed, the free ends of the switch push the bolts 5 to move in a direction away from one side of the switch 10, and the bolts exit the bolt holes; the mounting part 71 is provided with an arc groove 711 at one end close to the limiting part 72, the radian of the arc groove 711 is matched with the end part of the monaural connecting rod 1, the other end of the mounting part 71 is provided with a mounting groove 712, the mounting groove 712 is rectangular, a second pressure spring 73 is arranged in the mounting groove 712, one end of the second pressure spring 73 is propped against the bottom of the inserting groove 21, when the monaural connecting rod 1 pushes the mounting part 71 to move downwards along the length direction of the inserting groove towards the bottom of the inserting groove, the second pressure spring 73 is extruded, and when the monaural connecting rod 1 is separated from the monaural connecting rod 2, the second pressure spring 73 drives the mounting part 71 to move upwards for resetting; an L-shaped notch 7211 is arranged at one side of the end part of the first limiting part 721 far away from the second limiting part 722, the end part of the second limiting part 722 is trapezoid, the inclined waist of the trapezoid is positioned at one side far away from the first limiting part 721, the vertex of the length direction of the second limiting part 722 and the midpoint of the length direction of the L-shaped notch 7211 of the first limiting part are positioned on the same vertical line, namely, the end part of the first limiting part 721 is higher than the end part of the second limiting part 722, the difference value between the two is generally larger than 0.5mm, and the optimal value range is 0.5mm-1mm;
the safety assembly comprises a torsion spring 8 and a safety ring 9, one end of the torsion spring 8 is connected with a latch seat 6, the other end of the torsion spring is connected with the safety ring 9, a safety block 91 is arranged on the safety ring 9, a safety groove matched with the safety block 91 is arranged on the first shell 3 and located on the lower side of the switch 10, the safety groove comprises a sliding groove 31 and an arc groove 32 which are connected in a T-shaped mode, the arc groove 32 is distributed along the length direction of the first shell 3, the sliding groove 31 is distributed along the width direction of the first shell 3, the width of the safety block 91 is larger than the width of the arc groove 32, and the width of the sliding groove 31 is larger than the width of the safety block 91.
Preferably, the limiting boss 61 may be a right trapezoid, the slope of the inclined plane may be 15 °, 30 ° or 40 °, and the gap between the two limiting bosses 61 is an isosceles trapezoid.
The invention also provides an array type sound box, which comprises a sound box body, wherein one side wall of the sound box body is provided with at least one single-lug connecting rod 1, and the other side wall opposite to the one side wall is provided with at least one automatic bolt matched with the single-lug connecting rod 1.
Preferably, a single-lug connecting rod 1 is respectively arranged at two ends of one side wall of the sound box body, automatic bolts are respectively arranged at two ends of the other side wall opposite to the one side wall, and the connection between the two sound box bodies is realized by using the single-lug connecting rod 1 and the automatic bolts.
As shown in fig. 4, the original states of the components of the automatic bolt in the invention are: the single-lug connecting rod 1 is not contacted with the double-lug connecting rod 2, the bolt seat 6 is limited by a notch 7211 on the first limiting piece 721, the first pressure spring 62 is in a compressed state, the bolt 5 is positioned on the upper side of the double-lug connecting rod 2, the free end of the switch 10 is opposite to the free end of the bolt 5, the two are respectively positioned on two sides of the double-lug connecting rod 2, the bolt 5 is always coaxial with a bolt hole 22 on the double-lug connecting rod 2, the upper end of the second limiting piece 722 is positioned in a gap 63, the second pressure spring 73 in the elastic fastener 7 is in an original length state, and the safety block 10 is positioned at the bottom of the sliding groove 31.
As shown in fig. 5, the installation process of the automatic bolt in the present invention is as follows: the single-lug link 1 is inserted into the U-shaped inserting groove 21 of the double-lug link 2, the end part of the single-lug link 1 is propped against the arc groove 711 of the mounting part 71 in the elastic fastener 7, the single-lug link 1 moves downwards, the elastic fastener 7 moves downwards along with the single-lug link 1, the notch 7211 on the first limiting piece 721 moves downwards along with the elastic fastener 7, when the notch 7211 is separated from the limiting boss 61, the latch seat 6 moves towards the side close to the double-lug link 2 due to the action of the first pressure spring 62, namely moves towards the left side in the direction shown in fig. 5, the latch seat 6 drives the latch 5 to move towards the side close to the latch hole 22, the safety block 91 moves outwards along the bottom of the sliding groove 31 on the first shell 3, when the latch hole on the single-lug connecting rod 1 is coaxial with the latch hole 22 on the double-lug connecting rod 2, the elastic fastener 7 also moves to the lowest end, at the moment, the latch seat 6 is propped against the side wall of the double-lug connecting rod 2, the latch 5 is driven to be inserted into the latch hole 22, the single-lug connecting rod 1 and the double-lug connecting rod 2 are connected together, the safety block 91 is driven to move to the outermost side by the latch seat 6 and protrudes out of the surface of the chute 31, at the moment, the safety block 91 moves from the right side to the left side along the length direction of the arc-shaped groove 32 due to the action of a force of the torsion spring 8 all the time, and meanwhile, the safety block 91 is limited at the outer side of the arc-shaped groove 32 due to the fact that the width of the safety block 91 is larger than the width of the arc-shaped groove 32, the latch seat 6 cannot move to the right side, and the latch cannot fall out of the latch hole 22.
As shown in fig. 6, the automatic latch in the present invention is disassembled by: the safety block 91 is moved from left to right along the length direction of the arc-shaped groove 32, that is, to the side close to the sliding groove 31 until the safety block 91 is positioned in the sliding groove 31, the switch 10 is pressed to move the free end thereof to the side close to the bolt hole 22, the free end of the switch 10 contacts with the free end of the bolt 5 to push the bolt 5 and the bolt seat 6 to move to the side out of the bolt hole 22, that is, to the right, during which the safety block 91 moves to the side close to the bottom of the sliding groove 31, the end of the second limiting piece 722 contacts with the limiting boss 61 positioned at the lower side, the end of the second limiting piece 722 is bent upwards by the limiting boss 61 due to the elasticity of the second limiting piece 722, the bolt seat 6 continues to move to the right, and simultaneously due to the length of the second limiting piece 722 being smaller than the length of the first limiting piece 721, therefore, the end of the second limiting member 722 will abut against the latch seat 6, at this time, the latch seat 6 is limited, when the position is located, the safety block 91 is located at the bottom of the chute, the free end of the latch 5 is separated from the latch hole, and no latch 5 limitation exists between the monaural link 1 and the binaural link 2, so that the monaural link 1 can be directly taken out, the detachment and separation of the monaural link 1 and the binaural link 2 can be realized, after the monaural link 1 is taken out, the extrusion of the elastic fastener 7 is completely released, the second pressure spring 73 pushes the elastic fastener 7 to move upwards, the first limiting member 721 abuts against the limiting boss 61 located at the upper side, the end of the second limiting member 722 enters into the gap 63 between the two limiting bosses, and the whole device is restored to the original state when not installed, and is also ready for the next insertion of the monaural link 1 and the binaural link 2.
The invention has simple structure, utilizes the automatic bolt component to realize the automatic locking function when the single-lug connecting rod and the double-lug connecting rod are connected, so that the connection between the single-lug connecting rod and the double-lug connecting rod is faster and more convenient, the installation difficulty is reduced, the installation efficiency is improved, the safety component is arranged, the safety is higher, the disassembly is convenient, the whole device returns to the original state after the disassembly is finished, the next installation is convenient, the cycle period of the installation and the disassembly is shorter, the installation steps are reduced, and the installation efficiency is further improved.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting. Although the invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for the technical features of each part thereof, and these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. An automatic bolt is characterized by comprising an automatic locking device and a single-lug connecting rod which is used for being inserted into the automatic locking device; the automatic locking device comprises an automatic bolt assembly and a double-lug connecting rod matched with the single-lug connecting rod, one end of the double-lug connecting rod is provided with a splicing groove for splicing the single-lug connecting rod, and one end of the single-lug connecting rod and one end of the double-lug connecting rod matched with each other are also respectively provided with a bolt hole;
the automatic bolt component comprises a first shell, a second shell, a bolt seat and an elastic fastener; the first shell and the second shell are covered outside one end of the bolt, the bolt seat, the elastic fastener and the double-lug connecting rod, and the first shell and the second shell are fixedly connected; the bolt seat is positioned at one side close to the second shell, a first compression spring in a compression state is arranged between the bolt seat and the second shell, one end of the bolt is fixedly connected in the bolt seat, a group of limiting bosses are respectively arranged on the front side wall and the rear side wall of the bolt seat, each group of limiting bosses comprises two adjacent limiting bosses, and a gap is reserved between the two adjacent limiting bosses; the elastic fastener comprises a mounting part, two adjacent limiting parts are arranged at one end of the mounting part, the mounting part is positioned in the inserting groove and can reciprocate along the length direction of the inserting groove, the limiting parts comprise a first limiting part and a second limiting part, the length of the first limiting part is larger than that of the second limiting part, the end part of the first limiting part is propped against or separated from a limiting boss close to the first limiting part, and the end part of the second limiting part is positioned in a gap between the limiting bosses or is propped against the limiting boss close to the second limiting part;
the first shell is provided with a switch, the free end of the switch is opposite to the free end of the bolt, the switch is pressed, and the bolt seat move along the direction away from one side of the switch;
the limiting boss is trapezoidal, one side, close to the double-lug connecting rod, of the limiting boss is a trapezoidal lower bottom, one side, far away from the double-lug connecting rod, of the limiting boss is a trapezoidal upper bottom, and the length of the lower bottom is larger than that of the upper bottom;
the safety device comprises a first shell, a second shell, a third shell, a fourth shell, a fifth shell, a sixth shell, a seventh shell and a fourth shell.
2. The automatic bolt according to claim 1, wherein the limit boss is a right trapezoid, and the gap between the two limit bosses is an isosceles trapezoid.
3. The automatic bolt according to claim 1, wherein the mounting portion is provided with a mounting groove, a second compression spring is arranged in the mounting groove, and one end of the second compression spring is abutted against the bottom of the inserting groove.
4. The automatic bolt according to claim 1, wherein an arc groove is formed in one end of the mounting portion, which is close to the limiting portion, and the arc of the arc groove is matched with the end portion of the single-lug connecting rod.
5. The automatic bolt according to claim 1, wherein the end of the first limiting member is provided with an L-shaped notch on the side far away from the second limiting member, the end of the second limiting member is trapezoid, and the trapezoid inclined waist is located on the side far away from the first limiting member.
6. The automatic locking pin according to claim 5, wherein the apex of the second limiting member in the length direction is located on the same vertical line as the midpoint of the first limiting member in the length direction of the "L" shaped notch.
7. An array type sound box with an automatic bolt according to any one of claims 1 to 6, comprising a sound box body, wherein one side wall of the sound box body is provided with at least one single-lug connecting rod, and the other side wall opposite to the one side wall is provided with at least one automatic bolt matched with the single-lug connecting rod.
8. The array type sound box according to claim 7, wherein the two ends of one side wall of the sound box body are respectively provided with a single-ear connecting rod, and the two ends of the other side wall opposite to the one side wall are respectively provided with an automatic bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810488206.1A CN108468690B (en) | 2018-05-21 | 2018-05-21 | Automatic bolt and array type loudspeaker box with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810488206.1A CN108468690B (en) | 2018-05-21 | 2018-05-21 | Automatic bolt and array type loudspeaker box with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108468690A CN108468690A (en) | 2018-08-31 |
| CN108468690B true CN108468690B (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810488206.1A Active CN108468690B (en) | 2018-05-21 | 2018-05-21 | Automatic bolt and array type loudspeaker box with same |
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| CN (1) | CN108468690B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538598B (en) * | 2018-11-22 | 2020-05-29 | 安徽工程大学 | Sound box bolt |
| CN112196873A (en) * | 2019-11-01 | 2021-01-08 | 湖北江山重工有限责任公司 | Quick connecting device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5516160A (en) * | 1994-04-11 | 1996-05-14 | Master Lock Company | Automatic deadbolts |
| EP0716951A1 (en) * | 1994-12-15 | 1996-06-19 | Netherlands Car B.V. | Axially secured element, which is pivotable over a limited angle |
| CN200999780Y (en) * | 2007-01-12 | 2008-01-02 | 王宝玲 | Separate type inserted pin gripping apparatus |
| JP3138475U (en) * | 2007-10-05 | 2008-01-10 | 潮湖 陳 | Folding standpipe |
| CN201623938U (en) * | 2009-12-24 | 2010-11-03 | 中国航空工业集团公司第六三一研究所 | Pulling-out and plugging-in device |
| CN105485497A (en) * | 2015-12-30 | 2016-04-13 | 宁波音王电声股份有限公司 | Hanging bracket for linear array loudspeaker boxes |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6510955B2 (en) * | 2000-04-07 | 2003-01-28 | Ridg-U-Rak, Inc. | Beam automatic lock |
-
2018
- 2018-05-21 CN CN201810488206.1A patent/CN108468690B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5516160A (en) * | 1994-04-11 | 1996-05-14 | Master Lock Company | Automatic deadbolts |
| EP0716951A1 (en) * | 1994-12-15 | 1996-06-19 | Netherlands Car B.V. | Axially secured element, which is pivotable over a limited angle |
| CN200999780Y (en) * | 2007-01-12 | 2008-01-02 | 王宝玲 | Separate type inserted pin gripping apparatus |
| JP3138475U (en) * | 2007-10-05 | 2008-01-10 | 潮湖 陳 | Folding standpipe |
| CN201623938U (en) * | 2009-12-24 | 2010-11-03 | 中国航空工业集团公司第六三一研究所 | Pulling-out and plugging-in device |
| CN105485497A (en) * | 2015-12-30 | 2016-04-13 | 宁波音王电声股份有限公司 | Hanging bracket for linear array loudspeaker boxes |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108468690A (en) | 2018-08-31 |
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