CN114802571A - Double right angle type folding box - Google Patents

Abstract

The invention discloses a double right-angle folding box, which comprises a first main body, a first bridge seat, a movable block, a second main body, a first rotating shaft component, a second rotating shaft component, an elastic bolt mechanism and a safety device, wherein the first main body is provided with a first bridge seat; the first bridge seat is connected inside the first main body in a sliding mode, the first rotating shaft component is installed on the inner side of the first bridge seat in a sliding mode, one end of the movable block is connected to the first rotating shaft component in a rotating mode, the second rotating shaft component is arranged on the inner side of the second main body and movably assembled in the movable block, and the elastic bolt mechanism is arranged in the movable block in a sliding mode and located between the first rotating shaft component and the second rotating shaft component; the elastic bolt mechanism can be inserted into the first rotating shaft component under the pushing of the second rotating shaft component during contraction and compression. The invention adopts a multi-section double-right-angle folding structure, can completely fold the vehicle by 180 degrees without interference, leads the folded vehicle to be more regular and stable, and has higher and more stable internal strength during normal use.

Description

Double right angle type folding box

Technical Field

The invention relates to the technical field of folding devices of folding carts, in particular to a double-right-angle folding box.

Background

At present, in the existing folding bicycle industry, a folding bicycle generally realizes a folding function through a middle folding device, the folding device is called as a folding box in the field, most of the folding boxes are folded in half, and the front end and the rear end of each folding box are fixedly arranged on the front part and the rear part of a bicycle frame respectively.

The folding mode of current folding box is single, only the fifty percent discount is folding, and the single hinge formula folding box of use can't be folded 180 degrees completely with car, and is irregular, unstable easily rocking after consequently the car is folding, inconvenient occupation space that still can lead to when accomodating, can damage the bicycle even carelessly. Meanwhile, compared with a common non-folding bicycle, the folding part of the bicycle is easy to break, loose and low in fatigue resistance strength, so that the strength of the frame of the segmented combination is not high enough, and the stability and the service life of the whole bicycle of the folding bicycle are not facilitated.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a double-right-angle folding box, which adopts a multi-section double-right-angle folding structure, can completely fold a vehicle by 180 degrees without interference, enables the folded vehicle to be more regular and stable, and has higher and more stable internal strength during normal use.

In order to solve the technical problems, the technical scheme of the invention is as follows:

a double right-angle folding box comprises a first main body, a first bridge seat, a movable block, a second main body, a first rotating shaft component, a second rotating shaft component, an elastic bolt mechanism and a safety device;

the first bridge seat is connected inside the first main body in a sliding mode, the first rotating shaft component is installed on the inner side of the first bridge seat in a sliding mode, one end of the movable block is connected to the first rotating shaft component in a rotating mode, the second rotating shaft component is arranged on the inner side of the second main body and movably assembled in the movable block, the elastic bolt mechanism is arranged in the movable block in a sliding mode and located between the first rotating shaft component and the second rotating shaft component, and the safety device is installed on the first main body and the second main body;

when the movable block is contracted, the first bridge seat can be contracted in the first main body in a sliding manner, the movable block can be contracted in the inner side of the first bridge seat in a sliding manner, the second main body can push the elastic bolt mechanism through the second rotating shaft member and enable the elastic bolt mechanism to be semi-contracted in the first main body, the elastic bolt mechanism can be inserted into the first rotating shaft member under the pushing action of the second rotating shaft member, and the safety device can fasten and lock the whole body;

when folding, second main part and second pivot component can move back the extension under the effect of elasticity bolt mechanism, and elasticity bolt mechanism can break away from the grafting with first pivot subassembly, the movable block can overturn ninety degrees after first bridge seat and the sliding extension of first pivot subassembly, second main part and second pivot component also can overturn ninety degrees.

Further, a strip-shaped sliding hole is formed in the movable block in a vertically penetrating manner, a baffle is arranged in the strip-shaped sliding hole, and the second rotating shaft component is movably assembled in the strip-shaped sliding hole;

the elastic bolt mechanism comprises an insertion rod which is slidably connected with the end walls of the baffle and the movable block in a penetrating mode, a pushing block which is arranged at one end, close to the second rotating shaft component, of the insertion rod, and a spring which is arranged between the pushing block and the baffle and sleeved on the insertion rod;

the inserted bar penetrates through the end wall of the movable block and penetrates into the first rotating shaft component in a locking and pressing state, and the inserted bar is inserted into the end wall of the movable block and separated from the first rotating shaft component in an extending and folding state.

Furthermore, guide sliding grooves are formed in two sides of the inner wall of the strip-shaped sliding hole, and two sides of the pushing block are slidably clamped in the guide sliding grooves in two sides.

Further, the second rotating shaft component comprises a second rotating shaft which is arranged on the inner side of the second main body and movably connected in the strip-shaped sliding hole in a penetrating way, and an arc-shaped flange formed on the side wall of the second rotating shaft;

the two ends of the inserted bar are both shaped like a hemisphere, a limiting arc-shaped groove of the adaptive arc-shaped flange is formed in the inner wall of one end, close to the second main body, of the strip-shaped sliding hole, the second rotating shaft component can rotate ninety degrees when moving back to extend to the limiting arc-shaped groove, and the second rotating shaft can slide in the strip-shaped sliding hole and push and press the inserted bar through the arc-shaped flange.

Further, second chutes have been all seted up to inner wall about the first bridge seat, first pivot component includes first pivot and sets up the second slider at both ends about first pivot, the slip joint of second slider is in the second chute, movable block one end is rotated and is connected in first pivot, still set up the jack that is suitable for the inserted bar cross-under in the first pivot.

Further, both ends all are provided with first slider about the first bridge seat, first spout has all been seted up to inner wall about the first main part, first slider slip joint is in first spout.

Furthermore, one side of the second main body is provided with a second bridge seat which has the same shape as the first bridge seat, the second rotating shaft member is arranged on the inner side of the second bridge seat, and the second bridge seat is contracted in the first main body in a locking and pressing state.

Further, be provided with limit guide on the inner wall of first main part one side, first bridge seat and second bridge seat have all seted up the direction breach with one side, the direction breach can sliding clamp connect on limit guide when the shrink crimping.

Furthermore, all be provided with the locator card post on first bridge seat and the second bridge seat bottom side inner wall, the location spout of adaptation locator card post is seted up to the movable block bottom, the locator card post can slide the joint in the spout of location when contracting the pressfitting.

Further, the safety device comprises a safety body rotatably installed on the second main body, an elastic bolt elastically installed on the safety body, a sliding button slidably installed on the safety body and used for shifting the elastic bolt, and a lock bolt arranged on the first main body, wherein the elastic bolt and the lock bolt form a clamping connection when being locked.

By adopting the technical scheme, the invention has the following beneficial effects:

1. the invention realizes the double right angle folding effect of a multi-section structure through the combined assembly of the first main body, the first bridge seat, the first rotating shaft component, the movable block, the second rotating shaft component and the second main body, and particularly, the invention can realize the double right angle folding effect, namely the 180-degree complete folding effect, through the sliding connection of the first bridge seat and the first main body, the sliding connection of the first rotating shaft component and the first bridge seat, the rotating connection of the movable block and the first rotating shaft component, and the movable connection of the whole of the second main body and the second rotating shaft component and the movable block, and can firstly extend and then fold when folded through the sliding fit among all the components, so that the problems of interference or limitation can not occur, further the folded vehicle can be more regular and stable, is more convenient to store without occupying too much space, and is more stable and is not easy to shake when placed, the possibility of vehicle damage is reduced.

2. According to the invention, through the sliding fit among all the parts and the design of the elastic bolt mechanism and the safety device, the elastic bolt mechanism can be inserted into the first rotating shaft component during the integral contraction and pressing, all the parts can be contracted and pressed into a whole, and meanwhile, the safety device can be integrally locked, so that the bicycle frame is firmer and more stable in normal use and higher in strength, the integral connection strength of the front frame and the rear frame is further enhanced, the riding stability of the bicycle is favorably ensured, and the service life of the bicycle is prolonged.

3. According to the invention, through the return action of the spring on the elastic bolt mechanism, the pushing effect on the second rotating shaft member can be formed, and the design of the arc-shaped flange and the limiting arc-shaped groove is added, so that the second main body and the second rotating shaft member can be limited and supported after rotating to 90 degrees, and further, the stability of the folded vehicle is facilitated, and excessive shaking is avoided.

4. According to the invention, through the matching of the limiting guide rail and the guide notch and the matching of the positioning sliding groove and the positioning clamping column, all parts can be matched in place more easily during folding and contraction pressing, and meanwhile, the strength after integral locking pressing can be enhanced, and looseness is avoided.

Drawings

FIG. 1 is a schematic perspective view of the present invention in a locked and pressed state;

FIG. 2 is a schematic view from another side of the structure of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the structure of FIG. 1 from a top perspective;

FIG. 4 is a schematic perspective view of the present invention in an extended state;

FIG. 5 is a schematic view from another side of the structure of FIG. 4;

FIG. 6 is a schematic cross-sectional view of the structure of FIG. 4 from a top perspective;

FIG. 7 is a schematic perspective view of the present invention in a single 90 degree folded state;

FIG. 8 is a schematic view from another side of the structure of FIG. 7;

FIG. 9 is a schematic cross-sectional view of the structure of FIG. 7 from a top perspective;

FIG. 10 is a schematic perspective view of the present invention in a fully folded 180 degree position;

FIG. 11 is a schematic view from another side of the structure of FIG. 10;

FIG. 12 is a schematic cross-sectional view of the structure of FIG. 10 from a top perspective;

FIG. 13 is a schematic view of a first embodiment of the present invention;

FIG. 14 is a schematic structural view of a first axle seat and a first pivot member in accordance with the present invention;

FIG. 15 is a schematic structural diagram of a movable block according to the present invention;

FIG. 16 is a schematic view of a top view of a movable block according to the present invention;

FIG. 17 is a schematic structural view of a second body and a second shaft member of the present invention;

FIG. 18 is a schematic view of the first and second shaft members and the resilient latch mechanism shown in FIG. 4;

FIG. 19 is a schematic view of the first and second shaft members and the resilient latch mechanism shown in FIG. 10;

wherein, 1, a first main body; 10. a first chute; 11. limiting a guide rail; 2. a first bridge seat; 20. a second chute; 21. a first slider; 3. a movable block; 30. a strip-shaped slide hole; 300. a guide chute; 301. a limiting arc-shaped groove; 31. a baffle plate; 32. positioning the chute; 4. a second body; 40. a second bridge seat; 400. a guide notch; 401. positioning the clamp column; 5. a first pivot member; 50. a first rotating shaft; 500. a jack; 51. a second slider; 6. a second shaft member; 60. a second rotating shaft; 61. an arcuate flange; 7. an elastic bolt mechanism; 70. inserting a rod; 71. a pushing block; 72. a spring; 8. a safety device; 80. a fuse body; 81. a spring tongue; 82. a slide button; 83. and a lock tongue.

Detailed Description

In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.

As shown in fig. 1 to 19, in the present embodiment, a double right angle folding box is provided, which mainly comprises a first main body 1, a first bridge seat 2, a movable block 3, a second main body 4, a first rotating shaft member 5, a second rotating shaft member 6, an elastic latch mechanism 7 and a safety device 8. In use, the first body 1 is typically attached to the front of the frame and the second body 4 is attached to the rear of the frame. The first bridge seat 2 is connected with the first main body 1 in a sliding manner, and the first bridge seat 2 can be retracted into the first main body 1 in a sliding manner and can also extend out of the first main body 1 in a sliding manner; the first rotating shaft component 5 is installed inside the first bridge seat 2 in a sliding mode; one end of the movable block 3 is rotatably sleeved on the first rotating shaft component 5, namely the movable block 3 can slide through the first rotating shaft component 5 and is semi-contracted in the first bridge seat 2, and can also be rotated and folded by 90 degrees after the first bridge seat 2 and the first rotating shaft component 5 are pulled out, and the edge of the first main body 1 can be close to the side surface of the movable block 3 after the movable block 3 rotates by 90 degrees, so that a certain limit is formed to prevent excessive rotation; second pivot component 6 fixed mounting is in the second main part 4 inboard and movable assembly in the movable block 3, and second main part 4 and second pivot component 6 form wholly and can slide along the movable block 3 promptly, and second main part 4 and second pivot component 6 also can carry out 90 degrees relative movable block 3 and rotate folding simultaneously, rotate 90 degrees with the movable block 3 itself and form 180 degrees folding effects jointly promptly after. In addition, the elastic bolt mechanism 7 is arranged in the movable block 3 in a sliding mode and located between the first rotating shaft component 5 and the second rotating shaft component 6, and the safety device 8 is installed on the first main body 1 and the second main body 4; the elastic bolt mechanism 7 has the functions that the elastic bolt mechanism 7 can be inserted into the first rotating shaft component 5 under the sliding pushing force of the second rotating shaft component 6 during contraction and compression, and the elastic bolt mechanism 7 can push the second rotating shaft component 6 and the second main body 4 to move back and extend under the self-rebounding action during unfolding and folding, and enables the elastic bolt mechanism to be separated from the first rotating shaft component 5 for insertion, so that the movable block 3 can be smoothly folded; the safety device 8 is used for fastening and locking the whole body after being shrunk and pressed so as to facilitate normal use of the vehicle, and the safety device 8 is opened when the vehicle needs to be folded.

Specifically, the movable block 3 in this embodiment is provided with a strip-shaped sliding hole 30 penetrating vertically, a baffle 31 is fixedly disposed in the strip-shaped sliding hole 30, and the second rotating shaft member 6 is movably assembled in the strip-shaped sliding hole 30. The elastic latch mechanism 7 is specifically composed of an insertion rod 70, a pushing block 71 and a spring 72, the insertion rod 70 is slidably inserted into the end walls of the baffle plate 31 and the movable block 3, the pushing block 71 is arranged at one end of the insertion rod 70 close to the second rotating shaft member 6, the spring 72 is arranged between the pushing block 71 and the baffle plate 31 and sleeved on the insertion rod 70, the spring 72 is in an elastic state between the pushing block 71 and the baffle plate 31, meanwhile, the insertion rod 70 can penetrate through the end wall of the movable block 3 and penetrate into the first rotating shaft member 5 in a locking and pressing state, and one end of the insertion rod 70 is inserted into the end wall of the movable block 3 and separated from the first rotating shaft member 5 in an extending and folding state.

Specifically, in order to improve the structural stability during the locking and pressing, the second body 4 of the present embodiment is formed with a second bridge seat 40 having the same shape as the first bridge seat 2 on one side, and the second rotating shaft member 6 is fixedly installed inside the second bridge seat 40, and the second bridge seat 40 can be retracted inside the first body 1 in the locking and pressing state and is sleeved outside the movable block 3 as the first bridge seat 2.

A detailed schematic description is provided with reference to fig. 1-19: in the present embodiment, when the vehicle is normally used, the vehicle is in a locked and pressed state, that is, a state shown in fig. 1-3, in this state, the first bridge seat 2 slides to the foremost end and is contracted inside the first main body 1, the first rotating shaft member 5 slides to the foremost end and the movable block 3 is contracted half inside the first bridge seat 2, the second bridge seat 40 on the second main body 4 is contracted inside the first main body 1 and is sleeved outside the movable block 3, the second rotating shaft member 6 slides to the middle of the bar-shaped sliding hole 30 and pushes the insertion rod 70 to pass through the end wall of the movable block 3 and pass through the first rotating shaft member 5, the spring 72 is in a compressed state under the pressing of the pushing block 71 and the baffle plate 31, and the safety device 8 locks the first main body 1 and the second main body 4, so that the whole structure is tightly locked. Through the design, each part can be fastened into a whole, so that the bicycle frame is firmer and more stable in normal use and higher in strength, the overall connection strength of the front frame and the rear frame is further enhanced, and the bicycle frame is favorable for guaranteeing the riding stability of the bicycle and prolonging the service life of the bicycle.

This embodiment requires that the fully extended state shown in fig. 4-6 and the state shown in fig. 7-9 in which the movable block is folded by 90 degrees first pass through two states when the movable block is fully folded by 180 degrees. From the locking press-fit state shown in fig. 1-3 to the state shown in fig. 4-6, only the safety device 8 needs to be opened, the spring 72 will first rebound to push the insertion rod 70 to disengage from the insertion connection with the first rotation axis member 5, and at the same time, the insertion rod 70 will push the second rotation axis member 6 and the second main body 4 to move back to the rear end position of the strip-shaped sliding hole 30, and then slide backwards to respectively pull out the movable block 3 and the first bridge seat 2, so that the whole body is in the state of being completely extended and pulled apart, and at this time, the relative position relationship between the insertion rod 70 and the first rotation axis member 5 and the second rotation axis member 6 can be referred to fig. 18. From the state shown in fig. 4 to 6 to the state shown in fig. 7 to 9, it is only necessary to rotate the movable block 3 by 90 degrees about the first pivot member 5. Finally, the second body 4 and the second rotating shaft member 6 are integrally rotated by 90 degrees relative to the movable block 3, so that 180-degree complete folding can be achieved, i.e. corresponding to the states shown in fig. 10-12, and at this time, the relative position relationship between the inserted link 70 and the first rotating shaft member 5 and the second rotating shaft member 6 can be referred to as fig. 19. Through the design, the present embodiment can realize two right angles folding 180 degrees complete folding effects promptly without interference, and then makes the vehicle can 180 degrees complete folding, makes vehicle after folding regular more and stable, comparatively makes things convenient for not taking too much space when accomodating, and is more steady difficult for rocking when putting, has reduced the possibility of vehicle damage.

In order to improve the stability of the insertion rod 70 during movement and ensure the alignment of insertion, guide sliding grooves 300 are further formed on two sides of the inner wall of the strip-shaped sliding hole 30 in the embodiment, and two sides of the pushing block 71 are slidably clamped in the guide sliding grooves 300 on two sides.

Specifically, the second rotating shaft member 6 in this embodiment includes the second rotating shaft 60 fixedly disposed inside the second bridge seat 40 and movably connected in the bar-shaped sliding hole 30 in a penetrating manner, the arc-shaped flange 61 is formed on the side wall of the middle portion of the second rotating shaft 60, and meanwhile, the inner wall of the end, close to the second main body 4, of the bar-shaped sliding hole 30 is provided with the limiting arc-shaped groove 301 adapted to the arc-shaped flange 61, the limiting arc-shaped groove 301 can limit the rotation angle of the arc-shaped flange 61 at 90 degrees, so as to prevent the second rotating shaft 60 from excessively rotating, and in addition, the elastic action of the spring 72 can form a pushing effect on the second rotating shaft member 6, so that the second main body 4 and the second rotating shaft member 6 can be limited and supported after rotating to 90 degrees, which is beneficial to stability of a vehicle after being folded, and avoiding excessive shaking. In addition, in order to reduce friction and resistance with the plunger 70 when the arc flange 61 rotates, both ends of the plunger 70 are formed in a hemispherical shape.

Specifically, in order to guarantee the stability and the collimation that first pivot component 5 slided, second spout 20 has all been seted up to the inner wall about the first bridge pedestal 2 of this embodiment, and first pivot component 5 specifically contains first pivot 50 again and sets up the second slider 51 at first pivot 50 upper and lower both ends, and the sliding joint of second slider 51 is in second spout 20, and movable block 3 one end rotates to cup joint on first pivot 50, still sets up the jack 500 that is suitable for inserted bar 70 cross-under on the first pivot 50 simultaneously.

In order to guarantee the stability and the collimation that first bridge seat 2 slided, both ends all are provided with first slider 21 about the first bridge seat 2 of this embodiment, and first spout 10 has all been seted up to inner wall about first main part 1, and first slider 21 slip joint is in first spout 10.

In order to strengthen the strength after the integral locking and pressing, the looseness is avoided, the limiting guide rail 11 is arranged on the inner wall of one side of the first main body 1 in the embodiment, the guide notches 400 are formed in the same side of the first bridge seat 2 and the second bridge seat 40, the guide notches 400 can be in sliding clamping connection on the limiting guide rail 11 during the contraction and pressing, and then the stability of the pressing in place is improved. All be provided with locator card post 401 on first bridge seat 2 and the 40 bottom sides inner wall of second bridge seat simultaneously, set up the location spout 32 of adaptation locator card post 401 in movable block 3 bottoms, and locator card post 401 can slide the joint in location spout 32 when the shrink compression, location spout 32 and locator card post 401 can play the effect of location direction, it targets in place to do benefit to from folding the shrink fast when receiving the shrink compression, also can strengthen the intensity after the whole locking pressfitting, the stability is improved.

Specifically, in order to achieve a firmer locking effect, the safety device 8 in this embodiment further includes a safety body 80 rotatably mounted on the second main body 4, a spring tongue 81 elastically mounted on the safety body 80, a slide button 82 slidably mounted on the safety body 80 and used for shifting the spring tongue 81, and a lock tongue 83 disposed on the first main body 1, the safety body 80 is rotated in a shrink and press-fit state to form a snap-fit locking between the spring tongue 81 and the lock tongue 83, when folding is required, the slide button 82 is pushed to separate the spring tongue 81 from the lock tongue 83, and then the safety body 80 is rotated to open to complete loosening.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The technical problems, technical solutions and advantages of the present invention have been described in detail with reference to the above embodiments, and it should be understood that the above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a box is folded to two right-angle formulas which characterized in that: comprises a first main body (1), a first bridge seat (2), a movable block (3), a second main body (4), a first rotating shaft component (5), a second rotating shaft component (6), an elastic bolt mechanism (7) and a safety device (8);

the first bridge seat (2) is connected inside the first main body (1) in a sliding mode, the first rotating shaft component (5) is installed on the inner side of the first bridge seat (2) in a sliding mode, one end of the movable block (3) is connected to the first rotating shaft component (5) in a rotating mode, the second rotating shaft component (6) is arranged on the inner side of the second main body (4) and movably assembled in the movable block (3), the elastic bolt mechanism (7) is arranged in the movable block (3) in a sliding mode and located between the first rotating shaft component (5) and the second rotating shaft component (6), and the safety device (8) is installed on the first main body (1) and the second main body (4);

when the movable block is contracted, the first bridge seat (2) can be contracted in the first main body (1) in a sliding manner, the movable block (3) can be contracted in the inner side of the first bridge seat (2) in a sliding manner, the second main body (4) can push the elastic plug pin mechanism (7) through the second rotating shaft member (6) and enable the elastic plug pin mechanism (7) to be contracted in the first main body (1) in a half manner, the elastic plug pin mechanism (7) can be inserted into the first rotating shaft member (5) under the pushing of the second rotating shaft member (6), and the safety device (8) can fasten and lock the whole body;

when the folding type automobile seat is folded, the second main body (4) and the second rotating shaft member (6) can move back and extend under the action of the elastic bolt mechanism (7), the elastic bolt mechanism (7) can be separated from and connected with the first rotating shaft member (5), the movable block (3) can turn ninety degrees after the first bridge seat (2) and the first rotating shaft member (5) slide and extend, and the second main body (4) and the second rotating shaft member (6) can also turn ninety degrees.

2. The double-right-angle folding box according to claim 1, characterized in that: a strip-shaped sliding hole (30) penetrates through the movable block (3) from top to bottom, a baffle (31) is arranged in the strip-shaped sliding hole (30), and the second rotating shaft component (6) is movably assembled in the strip-shaped sliding hole (30);

the elastic bolt mechanism (7) comprises an insertion rod (70) which is slidably connected with the end walls of the baffle plate (31) and the movable block (3) in a penetrating manner, a pushing and abutting block (71) which is arranged at one end, close to the second rotating shaft component (6), of the insertion rod (70), and a spring (72) which is arranged between the pushing and abutting block (71) and the baffle plate (31) and sleeved on the insertion rod (70);

the inserted rod (70) penetrates through the end wall of the movable block (3) and penetrates into the first rotating shaft component (5) in a locking and pressing state, and the inserted rod (70) is inserted into the end wall of the movable block (3) and separated from the first rotating shaft component (5) in an extending and folding state.

3. The double-right-angle folding box according to claim 2, characterized in that: the two sides of the inner wall of the strip-shaped sliding hole (30) are also provided with guide sliding grooves (300), and the two sides of the pushing block (71) are slidably clamped in the guide sliding grooves (300) on the two sides.

4. The double-right-angle folding box according to claim 2, characterized in that: the second rotating shaft component (6) comprises a second rotating shaft (60) which is arranged on the inner side of the second main body (4) and movably connected in the strip-shaped sliding hole (30) in a penetrating way, and an arc-shaped flange (61) which is formed on the side wall of the second rotating shaft (60);

the two ends of the inserted bar (70) are both shaped like a hemisphere, a limiting arc-shaped groove (301) of the adaptive arc-shaped flange (61) is formed in the inner wall of one end, close to the second main body (4), of the strip-shaped sliding hole (30), the second rotating shaft component (6) can rotate ninety degrees when moving back to the position of the limiting arc-shaped groove (301), and the second rotating shaft (60) can slide in the strip-shaped sliding hole (30) and push and press the inserted bar (70) through the arc-shaped flange (61).

5. The double-right-angle folding box according to claim 2, characterized in that: second spout (20) have all been seted up to inner wall about first bridge seat (2), first pivot component (5) include first pivot (50) and set up second slider (51) at both ends about first pivot (50), second slider (51) slip joint is in second spout (20), movable block (3) one end is rotated and is connected on first pivot (50), jack (500) that are suitable for inserted bar (70) cross-under are still seted up on first pivot (50).

6. The double-right-angle folding box according to claim 1, characterized in that: both ends all are provided with first slider (21) about first bridge seat (2), first spout (10) have all been seted up to inner wall about first main part (1), first slider (21) slip joint is in first spout (10).

7. The double-right-angle folding box according to claim 1, characterized in that: one side of the second main body (4) is provided with a second bridge seat (40) which has the same shape as the first bridge seat (2), the second rotating shaft member (6) is arranged on the inner side of the second bridge seat (40), and the second bridge seat (40) is contracted in the first main body (1) in a locking and pressing state.

8. The double-right-angle folding box according to claim 7, characterized in that: be provided with spacing guide rail (11) on first main part (1) one side inner wall, direction breach (400) have all been seted up with one side in first bridge seat (2) and second bridge seat (40), direction breach (400) can slide joint on spacing guide rail (11) when shrink compression.

9. The double-right-angle folding box according to claim 7, characterized in that: all be provided with locator card post (401) on first bridge seat (2) and second bridge seat (40) bottom side inner wall, location spout (32) of adaptation locator card post (401) are seted up to movable block (3) bottom, locator card post (401) can slide the joint in location spout (32) when shrink pressfitting.

10. The double-right-angle folding box according to claim 1, characterized in that: safety device (8) including rotate install insurance body (80) on second main part (4), elasticity install bullet tongue (81) on insurance body (80), slidable mounting is used for stirring on insurance body (80) smooth button (82) of bullet tongue (81) and set up spring bolt (83) on first main part (1), bullet tongue (81) and spring bolt (83) form the joint when locking.

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