阅读说明：本技术 一种具有自锁功能的民族乐器安置盒 (National musical instrument placement box with self-locking function ) 是由 林乐飞 于 2021-07-08 设计创作，主要内容包括：本发明公开了一种具有自锁功能的民族乐器安置盒,涉及乐器安置盒技术领域,解决了现有的民族乐器安置盒,盒体内部的加装的防护结构遮挡于琵琶的顶端,在取装琵琶时需手动对防护结构滑动抽拉开合,操作使用较为繁琐不便的问题。一种具有自锁功能的民族乐器安置盒,包括盒体；所述盒体整体呈长条矩形结构,其底部左右两侧位置对称焊接有四处支撑腿框；所述盒体左右内壁的顶端位置对称焊接有两组共四处轨道板；定位插件,两处定位插件均呈L状结构,其通过弹簧顶推贯穿插装于两处支撑框上。本发明两处抵挡架对接组成的支撑保护机构顶置于琵琶的顶端可对其实施遮挡防撞保护,减小盖板被撞破损时琵琶的琴弦以及本体被戳撞损坏的机率。(The invention discloses a national musical instrument placement box with a self-locking function, relates to the technical field of musical instrument placement boxes, and solves the problems that an existing national musical instrument placement box is complicated and inconvenient to operate and use, a protection structure additionally arranged in the box body is shielded at the top end of a lute, and the protection structure needs to be manually pulled and opened in a sliding manner when the lute is taken and contained. A national musical instrument placement box with a self-locking function comprises a box body; the box body is integrally of a long-strip rectangular structure, and four supporting leg frames are symmetrically welded at the left side and the right side of the bottom of the box body; two groups of track plates are symmetrically welded at the top ends of the left and right inner walls of the box body; the positioning plug-in units and the two positioning plug-in units are both in L-shaped structures and are inserted on the two support frames in a penetrating manner through the pushing of the springs. The supporting and protecting mechanism formed by butting the two abutting frames is arranged at the top end of the lute in an overhead mode to carry out shielding and anti-collision protection on the lute, and the probability that strings of the lute and the body are damaged by being stamped when the cover plate is damaged by being collided is reduced.)

1. The utility model provides a national musical instrument places box with self-locking function which characterized in that: a national musical instrument placement box with a self-locking function comprises a box body;

the box body is integrally of a long-strip rectangular structure, and four supporting leg frames are symmetrically welded at the left side and the right side of the bottom of the box body;

the box body comprises support frames and longitudinal positioning shafts, two groups of four longitudinal positioning shafts are symmetrically welded among the four support frames, and two support frames are symmetrically welded at the middle positions of the bottoms of the left side wall and the right side wall of the box body;

the top opening of the box body is covered with a cover plate in a rotating way, and the front side wall and the rear side wall of the box body are symmetrically penetrated and inserted with two stopping frames.

2. The national musical instrument set box with self-locking function as claimed in claim 1, wherein: the box body also comprises

The top ends of the left and right inner walls of the box body are symmetrically welded with two groups of track plates at four positions;

the two positioning plug-in units are in L-shaped structures and are inserted on the two supporting frames in a penetrating manner through the pushing of the springs, and the head ends of the two positioning plug-in units are in a beveling structure;

and two vertical support positioning shafts are symmetrically welded at the middle positions of the left inner wall and the right inner wall of the box body.

3. The national musical instrument set box with self-locking function as claimed in claim 1, wherein: the blocking frame is including inserting the pin, the blocking frame is whole to be welded jointly by main part vaulting pole and equidistance interval welding in the inboard one row of pin of main part vaulting pole and is constituteed, wherein the box body is passed to two rows of pins lateral wall around.

4. The national musical instrument set box with self-locking function as claimed in claim 1, wherein: the blocking frame comprises limiting sliding rings, two vertical supporting hanging rods are symmetrically welded downwards at the bottoms of the two ends of the transverse supporting rod of the main body of the blocking frame, two longitudinal thin shafts are symmetrically welded on the two vertical supporting hanging rods, and the two limiting sliding rings are symmetrically welded at the head ends of the left and right groups of longitudinal thin shafts.

5. The national musical instrument set box with self-locking function as claimed in claim 1, wherein: two limiting sliding rings at the bottom of the stopping frame at the front side are sleeved on two longitudinal positioning shafts at the inner side in a pushing and sliding manner through springs, and two limiting sliding rings at the bottom of the stopping frame at the rear side are sleeved on two longitudinal positioning shafts at the outer side in a pushing and sliding manner through springs.

6. The national musical instrument set box with self-locking function as claimed in claim 3, wherein: one row in the left side the head end that inserts the pin supports the welding and has one row of protrusion cylinder piece, and the head end indent that just one row of pin was inserted in the right side has seted up a circular recess, when two rows of pin slip butt joints of inserting, one row of circular recess and one row of protrusion cylinder piece of its head end correspond the grafting.

7. The national musical instrument set box with self-locking function as claimed in claim 3, wherein: the blocking frame further comprises limiting short shafts, the four positions of the left and right outermost sides of the two rows of the insertion blocking rods are symmetrically welded with the four positions of the limiting short shafts, and the left and right groups of the limiting short shafts are in sliding fit with the track grooves between the two groups of track plates correspondingly.

8. The national musical instrument set box with self-locking function as claimed in claim 7, wherein: the resisting frame also comprises

The four connecting rods are oppositely connected with the four limiting short shafts in a rotating way;

the left and right groups of connecting rods are rotatably connected with a sliding block, and the two sliding blocks are correspondingly matched with the two vertical support positioning shafts in a sliding manner;

the top of the two sliding blocks is welded with one vertical supporting strip frame, the top of the two vertical supporting strip frames is rotatably provided with one guide wheel, and the cover plate of the box body is abutted against and contacted with the two guide wheels when being closed in a rotating mode.

9. The national musical instrument set box with self-locking function as claimed in claim 8, wherein: the two sliding blocks are both in a convex structure, the middle position of the bottom of the outer side end face of each sliding block is provided with a prescription-shaped slot, and the head end oblique sections of the two positioning plug-in units are correspondingly matched with the two prescription-shaped slots in an inserting mode.

10. The national musical instrument set box with self-locking function as claimed in claim 1, wherein: the two abutting frames are in sliding butt joint to form a supporting and protecting mechanism, when the cover plate of the box body is rotated and closed, the supporting and protecting mechanism is in butt joint combination, and the lute is placed in a space between the supporting and protecting mechanism and the bottom plate of the box body.

Technical Field

The invention relates to the technical field of musical instrument placement boxes, in particular to a national musical instrument placement box with a self-locking function.

Background

The lute, a traditional plucked instrument in east asia, has been in history for more than two thousand years. The earliest musical instrument called "lute" is in the approximate ChineseQin dynastyAnd occurs. The 'yu' in the 'lute' two characters means that the two jades touch each other and give off a pleasant hitting sound, which means that the two jades touch the string to give out soundMusical instrument。

The lute is stored at home and needs to be equipped with a special musical instrument placing box for preventing dust accumulation and avoiding the damage of strings and timbre of musical instruments.

For example, the patent of patent number CN201910015162.5 discloses a box is placed to musical instrument, comprises a box bod, the box body top articulated have the lid, the symmetry is provided with two fixed plates in the box body, the outside of two fixed plates is equallyd divide and is do not be equipped with the elastic device, the elastic device is located the box body, the bottom fixedly connected with accessory box of box body, be equipped with portable power source in the accessory box, portable power source's both sides are equallyd divide and do not are equipped with active audio amplifier, be equipped with strutting arrangement on the accessory box, this product has solved the musical instrument and has placed a function singleness, reduced the electronic organ simultaneously in the transportation, because the injury of unexpected striking to the electronic organ, this product convenient operation, moreover, the steam generator is simple in structure, easily adjust, wide market prospect has.

The box is settled to current national musical instrument mostly can only rely on the lid to shelter from the protection, and the striking protection effect is not good enough, when the lid suffered the striking damage, the inside pipa of placing of box body is very easily damaged by stabbing the collision, and the inside protective structure who installs additional of box body shelters from in the top of pipa, need manually open and shut protective structure slip pull when getting the dress pipa, and the operation is used comparatively loaded down with trivial details inconveniently.

Disclosure of Invention

The invention aims to provide a national musical instrument placement box with a self-locking function, and aims to solve the problems that in the background art, an additionally arranged protection structure in a box body is shielded at the top end of a lute, the protection structure needs to be manually pulled and pulled to open and close when the lute is taken and placed, and the operation and the use are complicated and inconvenient.

In order to achieve the purpose, the invention provides the following technical scheme: a national musical instrument placement box with a self-locking function comprises a box body; the box body is integrally of a long-strip rectangular structure, and four supporting leg frames are symmetrically welded at the left side and the right side of the bottom of the box body; the box body also comprises track plates, and two groups of track plates are symmetrically welded at the top ends of the left and right inner walls of the box body; the two positioning plug-in units are in L-shaped structures and are inserted on the two supporting frames in a penetrating manner through the pushing of the springs, and the head ends of the two positioning plug-in units are in a beveling structure; two vertical support positioning shafts are symmetrically welded at the middle positions of the left inner wall and the right inner wall of the box body;

the box body comprises support frames and longitudinal positioning shafts, two groups of four longitudinal positioning shafts are symmetrically welded among the four support frames, and two support frames are symmetrically welded at the middle positions of the bottoms of the left side wall and the right side wall of the box body; the blocking frame comprises blocking rods, the blocking frame is integrally formed by welding a main body transverse supporting rod and a row of blocking rods welded on the inner side of the main body transverse supporting rod at equal intervals, and the two rows of blocking rods penetrate through the front side wall and the rear side wall of the box body;

the top opening of the box body is rotatably covered with a cover plate, and the front side wall and the rear side wall of the box body are symmetrically inserted with two stop frames in a penetrating manner; the two blocking frames are in sliding butt joint to form a supporting and protecting mechanism, when the cover plate of the box body is rotated and closed, the supporting and protecting mechanism is in butt joint combination, and the lute is placed in a space between the supporting and protecting mechanism and the bottom plate of the box body; the two sliding blocks are both in a convex structure, the middle position of the bottom of the outer side end face of each sliding block is provided with a prescription-shaped slot, and the head end oblique sections of the two positioning plug-in units are correspondingly matched with the two prescription-shaped slots in an inserting mode.

Preferably, the blocking frame further comprises limiting sliding rings, two vertical supporting hanging rods are symmetrically welded to the bottom of the two ends of the transverse supporting rod of the main body of the blocking frame downwards, two longitudinal thin shafts are symmetrically welded to the two vertical supporting hanging rods, and the two limiting sliding rings are symmetrically welded to the head ends of the left and right groups of longitudinal thin shafts.

Preferably, the two limiting sliding rings at the bottom of the stopping frame at the front side are sleeved on the two longitudinal positioning shafts at the inner side in a pushing and sliding manner through springs, and the two limiting sliding rings at the bottom of the stopping frame at the rear side are sleeved on the two longitudinal positioning shafts at the outer side in a pushing and sliding manner through springs.

Preferably, the left side is one row the head end of inserting the pin supports the welding and has one row of protrusion cylinder piece, and the head end indent of one row of inserting the pin in the right side has seted up a circular recess, and when two rows inserted the pin and slided the butt joint, one row of circular recess and one row of protrusion cylinder piece of its head end correspond the grafting.

Preferably, the resisting frame further comprises

The two rows of the inserting stop levers are symmetrically welded at four positions on the left and right outermost sides, and the left and right groups of the limiting short shafts are in sliding fit with the track grooves between the two groups of track plates correspondingly.

Preferably, the resisting frame further comprises

The four connecting rods are oppositely connected with the four limiting short shafts in a rotating way;

the left and right groups of connecting rods are rotatably connected with a sliding block, and the two sliding blocks are correspondingly matched with the two vertical support positioning shafts in a sliding manner;

the top of the two sliding blocks is welded with one vertical supporting strip frame, the top of the two vertical supporting strip frames is rotatably provided with one guide wheel, and the cover plate of the box body is abutted against and contacted with the two guide wheels when being closed in a rotating mode.

Compared with the prior art, the invention has the beneficial effects that:

1. when the cover plate on the box body is rotated and opened, the springs on the four longitudinal positioning shafts can push and drive the two retaining frames to automatically slide outwards and be pulled off, so that a picking and placing space is reserved for the Chinese lute, the Chinese lute is conveniently picked and placed in the box body, the trouble of additionally manually pulling and off the two retaining frames is eliminated, and the use is convenient;

2. according to the invention, the two rows of insertion stop levers can be inserted and connected together by the one row of circular grooves and the one row of convex cylindrical blocks at the head ends of the two rows of insertion stop levers, so that the support strength of the support protection mechanism is enhanced, the support protection mechanism can bear larger impact force, the two rows of insertion stop levers are prevented from being vertically staggered and separated and cannot be mutually supported and broken when being subjected to impact force, and the impact protection effect of the support protection mechanism on the lute is improved;

3. the two blocking frames, the four connecting rods, the sliding blocks and the vertical bracing strip frame jointly form a push rod driving double-connecting-rod sliding block mechanism, the cover plate of the box body of the mechanism can push and drive the vertical bracing strip frame to slide downwards when rotating and closing, and the two blocking frames are controlled to automatically and inwards slide and butt to form a supporting and protecting mechanism for shielding and protecting pipa placed in the box body, so that the trouble of manually and additionally manually operating and butting the two blocking frames is eliminated, and the using and operating steps of the box body are simplified, time and labor are saved;

4. the supporting protection mechanism formed by butting the two abutting frames is arranged at the top end of the lute in an overhead mode to carry out shielding and anti-collision protection on the lute, so that the probability that strings of the lute and the body are damaged by being stamped when the cover plate is damaged by collision is reduced;

5. according to the invention, because the head end sections of the two positioning plug-ins are of the inclined structure, when the two sliding blocks are pushed by the cover plate of the box body to drive to slide downwards through the inclined surface guiding principle, the two positioning plug-ins can be automatically inserted into the two square slots on the two sliding blocks to carry out self-locking positioning on the two sliding blocks and enable the two blocking frames to be kept in a butt joint combined use state, and the trouble of manually positioning the two blocking frames is saved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic bottom three-dimensional structure of the present invention;

FIG. 3 is a schematic diagram of the internal three-dimensional structure of the case according to the present invention;

FIG. 4 is a schematic view of a longitudinal positioning shaft according to the present invention;

FIG. 5 is a schematic view of a structure of a stop frame according to the present invention;

FIG. 6 is a schematic view of the construction of the mullion brace of the present invention;

FIG. 7 is a schematic view of a slider configuration according to the present invention;

FIG. 8 is a schematic view of a positioning insert according to the present invention;

FIG. 9 is an enlarged view of portion A of FIG. 1;

FIG. 10 is an enlarged view of the portion B in FIG. 3 according to the present invention

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a box body; 101. a track plate; 102. a support frame; 103. positioning the plug-in; 104. a longitudinal positioning shaft; 105. a vertical supporting positioning shaft; 2. a resisting frame; 201. inserting a stop lever; 202. a slider; 203. a vertical stay bar frame; 204. a limiting slip ring; 205. a short limiting shaft; 206. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 10, an embodiment of the present invention includes: a national musical instrument setting box with self-locking function comprises a box body 1; the box body 1 is integrally in a long rectangular structure, and four supporting leg frames are symmetrically welded at the left side and the right side of the bottom of the box body; the box body 1 further comprises track plates 101, and two groups of track plates 101 are symmetrically welded at the top ends of the left inner wall and the right inner wall of the box body 1; the two positioning plug-in units 103 are both in an L-shaped structure, are pushed by a spring to penetrate and be inserted into the two supporting frames 102, and the head ends of the two positioning plug-in units 103 are both in a beveling structure; the two vertical support positioning shafts 105 are symmetrically welded at the middle positions of the left inner wall and the right inner wall of the box body 1, the sliding tracks of the two sliding blocks 202 can be limited by the two vertical support positioning shafts 105, and the two sliding blocks 202 can be ensured to directly slide up and down;

the box body 1 comprises support frames 102 and longitudinal positioning shafts 104, two groups of longitudinal positioning shafts 104 are symmetrically welded among the four support frames, and two support frames 102 are symmetrically welded at the middle positions of the bottoms of the left side wall and the right side wall of the box body 1;

a cover plate is rotatably covered on the opening at the top end of the box body 1, and two retaining frames 2 are symmetrically inserted on the front side wall and the rear side wall of the box body 1 in a penetrating manner; the blocking frame 2 comprises blocking rods 201, the blocking frame 2 is integrally formed by welding a main body transverse supporting rod and a row of blocking rods 201 welded on the inner side of the main body transverse supporting rod at equal intervals, and the two rows of blocking rods 201 penetrate through the front side wall and the rear side wall of the box body 1; the blocking frame 2 further comprises limiting sliding rings 204, two vertical support hanging rods are symmetrically welded downwards at the bottom positions of two ends of a transverse supporting rod of a main body of the blocking frame 2, two longitudinal thin shafts are symmetrically welded on the two vertical support hanging rods, and the two limiting sliding rings 204 are symmetrically welded at the head ends of the left and right groups of longitudinal thin shafts; the blocking frame 2 further comprises limiting short shafts 205, four limiting short shafts 205 are symmetrically welded on four positions of the left and right outermost sides of the two rows of insertion blocking rods 201, and the left and right groups of limiting short shafts 205 are in sliding fit with the track grooves between the two groups of track plates 101 correspondingly.

Further, two limiting slip rings 204 at the bottom of the front side retaining frame 2 are slidably sleeved on two inner longitudinal positioning shafts 104 through spring pushing, and two limiting slip rings 204 at the bottom of the rear side retaining frame 2 are slidably sleeved on two outer longitudinal positioning shafts 104 through spring pushing, when a cover plate on the box body 1 is rotated and opened, springs on the four longitudinal positioning shafts 104 can push to drive the two retaining frames 2 to automatically slide outwards and take off, so that a lute taking and placing space is left for the lute to be empty, the lute taking and placing inside the box body 1 is convenient, the trouble of additionally manually taking off the two retaining frames 2 is eliminated, and the use is convenient.

Further, the head end that the pin 201 was inserted to one row in the left side supports the welding and has one row of protrusion cylinder piece, and the head end indent that the pin 201 was inserted to one row in the right side has seted up a circular recess, when two rows are inserted the butt joint of pin 201 slip, one row of circular recess and one row of protrusion cylinder piece of its head end correspond the grafting, two rows of one row of circular recess and one row of protrusion cylinder piece of inserting the pin 201 head end can be inserted two rows of pin 201 and link together, the reinforcing supports the support intensity that protection machanism made it bear great impact force, it can not support the impact force mutually and break to avoid two rows of pin 201 to insert the dislocation separation about receiving when the protection machanism receives, promote the impact protection effect that supports protection machanism to lute.

Further, the resisting frame 2 also comprises

Four connecting rods 206 are oppositely and rotatably sleeved on the left and right limiting short shafts 205;

the sliding blocks 202 are rotatably connected between the left group of connecting rods 206 and the right group of connecting rods 206, and the two sliding blocks 202 are correspondingly matched with the two vertical support positioning shafts 105 in a sliding manner;

the top ends of the two sliding blocks 202 are welded with the vertical bracing frame 203, the top ends of the two vertical bracing frames 203 are respectively provided with a guide wheel in a rotating way, when the cover plate of the box body 1 is rotated and closed, the cover plate is abutted against and contacted with the two guide wheels, the two retaining frames 2, the four connecting rods 206, the sliding blocks 202 and the vertical bracing frames 203 jointly form a push rod driving double-connecting-rod sliding block mechanism, when the cover plate of the box body 1 of the mechanism is rotated and closed, the cover plate can push and drive the vertical bracing frame 203 to slide downwards to control the two retaining frames 2 to automatically and internally slide and butt to form a supporting and protecting mechanism to shield and protect pipa placed in the box body 1, the trouble of manual operation and manual butt joint of the two retaining frames 2 is omitted, and the use operation steps of the box body 1 are time-saving and labor-saving.

Further, the two sliding blocks 202 are both convex structures, the middle position of the bottom of the outer side end surface is provided with a prescription-shaped slot, the head end oblique cutting sections of the two positioning plug-ins 103 are correspondingly matched with the two prescription-shaped slots in an inserting manner, because the head end sections of the two positioning plug-ins 103 are oblique cutting structures, when the two sliding blocks 202 are pushed by the cover plate of the box body 1 to slide downwards through the oblique guiding principle, the two positioning plug-ins 103 can be automatically inserted into the two prescription-shaped slots on the two sliding blocks 202 to carry out self-locking positioning on the two sliding blocks 202 and keep the two blocking frames 2 in a butt-joint combined use state, and the trouble of manually positioning the two blocking frames 2 is saved.

Furthermore, the two blocking frames 2 are in sliding butt joint to form a supporting and protecting mechanism, when the cover plate of the box body 1 is rotated to be closed, the supporting and protecting mechanism is in butt joint combination, the lute is placed in a space between the supporting and protecting mechanism and the bottom plate of the box body 1, the supporting and protecting mechanism formed by the butt joint of the two blocking frames 2 is arranged at the top of the lute in an overhead mode to carry out shielding and anti-collision protection on the lute, and the probability that strings of the lute and the body are knocked to be damaged when the cover plate is knocked to be damaged is reduced.

In another embodiment, a sponge pad can be laid on the bottom plate of the box body 1 and laid at the bottom of the lute, so that the lute in the box body 1 can be protected in a buffering manner, the probability of damage caused by collision of the lute is further reduced, and the protection performance of the lute is improved.

The working principle is as follows: the supporting and protecting mechanism formed by butting the two resisting frames 2 is arranged at the top end of the lute in an overhead mode to carry out shielding and anti-collision protection on the lute, and the probability that strings of the lute and the body are damaged by being stamped when the cover plate is damaged by collision is reduced;

the two retaining frames 2, the four connecting rods 206, the sliding blocks 202 and the vertical bracing strip frames 203 together form a mandril driving double-connecting-rod sliding block mechanism, when the cover plate of the box body 1 of the mechanism is rotated and closed, the mechanism can push and drive the vertical bracing strip frames 203 to slide downwards to control the two retaining frames 2 to automatically slide inwards and butt joint to form a supporting and protecting mechanism to shield and protect pipa placed in the box body 1, when the cover plate on the box body 1 is rotated and opened, the springs on the four longitudinal positioning shafts 104 can push and drive the two retaining frames 2 to automatically slide outwards and take off, a taking and placing space is left for pipa, the pipa is convenient to take and place in the box body 1, the trouble of additionally manually taking off the two retaining frames 2 is omitted, the use is convenient, when the two rows of inserting blocking rods 201 are in sliding butt joint, the row of circular grooves at the head ends of the two rows of inserting blocking rods 201 and the row of protruding cylindrical blocks can correspondingly insert and connect the two rows of inserting blocking rods 201 together, the supporting strength of the supporting protection mechanism is enhanced, so that the supporting protection mechanism can bear larger impact force, the two rows of inserting stop levers 201 are prevented from being staggered and separated from each other to be incapable of supporting each other to break when receiving impact force, and the impact protection effect of the supporting protection mechanism on the lute is improved.