A collision-proof logistics box

Abstract

The present invention discloses an anti-collision type logistics box, comprising a box body, characterized in that a buffer plate is installed on the side of the box body, a buffer spring is installed between the buffer plate and the box body, and an expansion plate mechanism is provided at the bottom of the box body for increasing the contact area between the bottom of the box body and the ground. When the impact force applied to the box body is large and the buffer spring can no longer absorb the impact force, the buffer plate on the side of the box body moves toward the box body and presses the power-off button, the circuit in the electromagnet is de-energized, and the magnetic force between the electromagnet and the iron block disappears; at this time, the box body can slide relative to the base, so that under the action of the external impact force, the box body slides relative to the base, and the push block pushes the pressure plate located on the right side of the base to gradually move to the right, thereby extending the contact area between the right side of the base and the ground, reducing the situation where the box body is overturned by the impact force, resulting in leakage of dangerous goods in the box.

Description

Technical Field

[0001] The present invention relates to the technical field of logistics boxes, and in particular to an anti-collision logistics box. Background Art

[0002] Dangerous goods are items that, due to their chemical, physical or toxic properties, may easily lead to fire, explosion or poisoning hazards during production, storage, loading and unloading, and transportation, and may cause personal injury, death or property damage. They mainly include: hazardous chemicals and radioactive materials.

[0003] However, in the prior art, dangerous goods are directly placed in boxes, which may cause the boxes to collide with objects under the influence of external collisions during transportation, causing the dangerous goods to be damaged, or even accidents to occur.

[0004] A Chinese patent (publication number CN219193166U) discloses a special anti-collision logistics box for transporting dangerous goods. The box comprises a box body with support blocks fixed at the four corners of the bottom of the box body, an anti-collision mechanism provided on each side panel of the box body, and a top cover slidably mounted on the top of the box body. Two first fixing bolts are threadedly connected between the left and right side panels of the top cover and the box body. The anti-collision mechanism absorbs and buffers the impact force. However, during use, if the collision force is too great and exceeds the pressure-bearing capacity of the anti-collision mechanism, the logistics box is prone to tipping over under the action of external forces, causing the dangerous goods inside the box to spill out. Summary of the Invention

[0005] In order to solve at least one of the technical problems mentioned in the background technology, the purpose of the present invention is to provide an anti-collision logistics box, which can reduce the occurrence of the logistics box tipping over when the collision force is too large.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: an anti-collision logistics box, comprising a box body, a buffer plate installed on the side of the box body, a buffer spring installed between the buffer plate and the box body, and an expansion plate mechanism provided at the bottom of the box body for increasing the contact area between the bottom of the box body and the ground;

[0007] The expansion plate mechanism includes a base slidably arranged under the box body, a chamber is provided in the base, a guide groove connected to the chamber is provided on the side of the base, a pressure plate passing through the guide groove is slidably arranged in the chamber, a cross groove is provided in the base along the vertical direction, the cross groove is connected to the chamber, a push block for pushing the pressure plate out of the guide groove is slidably arranged in the cross groove, the push block is fixedly connected to the box body, and a locking mechanism for locking the push block and the base to be relatively stationary is installed on the box body.

[0008] The locking mechanism includes an electromagnet installed on the push block, an iron block for magnetic attraction with the electromagnet is fixedly installed on the bottom wall of the chamber, a power-off button is installed on the box body and between the buffer plate and the box body, the circuits between all power-off buttons and the electromagnets are connected in series, and a power supply connected to the electromagnet circuit is installed on the box body.

[0009] The pressing plates that are arranged opposite to each other on the base are located on the same horizontal line, and adjacent pressing plates are staggered in the vertical direction.

[0010] An iron sheet is provided on one side of the pressing plate close to the pushing block. In an initial state, the iron sheet on the pressing plate is magnetically attracted to the electromagnet on the pushing block.

[0011] A support plate is fixedly mounted on one side of the pressure plate away from the push block, and the lower side of the support plate is in the same horizontal line as the lower side of the base.

[0012] A positioning groove is formed on the side wall of the pressure plate, and a protrusion extending into the positioning groove is fixedly mounted on the side wall of the guide groove.

[0013] The chamber is also provided with a buffer mechanism for buffering the box body, and the buffer mechanism includes two guide rails arranged opposite to each other, and the guide rails are fixedly connected to the inner wall of the chamber, each of the guide rails is provided with a slider, and a connecting rod is fixedly installed between the two sliders, and a through hole for the connecting rod to pass through is provided on the push block, and each of the guide rails is provided with a first spring for buffering the slider, and the connecting rod is provided with a second spring for buffering the push block.

[0014] One side of the first spring is fixedly connected to the inner wall of the chamber, and the other side is fixedly connected to the slider; one side of the second spring is fixedly connected to the slider, and the other side is fixedly connected to the push block.

[0015] A guide rod is fixedly mounted on the upper side of the electromagnet, and a socket for inserting the guide rod is provided on the lower side of the push block. A third spring is fixedly mounted on the guide rod and the inner wall of the socket. When the circuit on the electromagnet is powered off, the third spring contracts and the electromagnet is separated from the iron block. When the circuit on the electromagnet is powered on, the third spring stretches and the electromagnet contacts the iron block.

[0016] Compared with the prior art, the beneficial effect of the present invention is that: when the impact force applied to the box is large and the impact force can no longer be absorbed by the buffer spring, the buffer plate on the side of the box moves toward the box and presses the power-off button, the circuit in the electromagnet is powered off, and the magnetic force between the electromagnet and the iron block disappears; at this time, the box can slide relative to the base, and under the action of the external impact force, the box slides relative to the base, and the push block pushes the pressure plate on the right side of the base to gradually move to the right, thereby extending the contact area between the right side of the base and the ground, reducing the situation where the box is tilted due to the impact force, causing leakage of dangerous goods in the box. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 This is a schematic diagram of the buffer plate and box structure of the present invention;

[0019] Figure 3 This is a first variation diagram of the overall structure of the present invention;

[0020] Figure 4 It is a structural schematic diagram of the plate expansion mechanism of the present invention;

[0021] Figure 5 is a cross-sectional view of the base of the present invention;

[0022] Figure 6 This is a first variation diagram of the pressing plate of the present invention;

[0023] Figure 7 It is a cross-sectional top view of the base of the present invention;

[0024] Figure 8 This is an exploded view of the plate expansion mechanism structure of the present invention;

[0025] Figure 9 For the present invention Figure 8 A partial enlarged schematic diagram of the structure at point A in the middle.

[0026] In the figure: 1. Box body; 2. Buffer plate; 3. Buffer spring; 4. Plate expansion mechanism; 41. Base; 42. Chamber; 43. Guide groove; 44. Press plate; 45. Cross groove; 46. Push block; 47. Iron sheet; 48. Support plate; 49. Positioning groove; 410. Protrusion; 5. Locking mechanism; 51. Electromagnet; 52. Iron block; 53. Power-off button; 54. Guide rod; 55. Jack; 56. Third spring; 6. Buffer mechanism; 61. Guide rail rod; 62. Slider; 63. Connecting rod; 64. Through hole; 65. First spring; 66. Second spring; 7. Reset button. DETAILED DESCRIPTION

[0027] The following is a clear and complete description of the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1 and Figure 2, an anti-collision logistics box, comprising a box body 1, a buffer plate 2 installed on the side of the box body 1, a buffer spring 3 installed between the buffer plate 2 and the box body 1, and an expansion plate mechanism 4 provided at the bottom of the box body 1 for increasing the supporting range area between the bottom of the box body 1 and the ground;

[0029] See also Figure 1 、 Figure 4 and Figure 5 The expansion mechanism 4 includes a base 41 slidably arranged under the box body 1, a chamber 42 is opened in the base 41, and a guide groove 43 communicating with the chamber 42 is opened on the side of the base 41. A pressure plate 44 passing through the guide groove 43 is slidably arranged in the chamber 42, and a cross groove 45 is opened in the base 41 in the vertical direction. The cross groove 45 is communicated with the chamber 42, and a push block 46 for pushing the pressure plate 44 out of the guide groove 43 is slidably arranged in the cross groove 45. The push block 46 is fixedly connected to the box body 1, and a locking mechanism 5 for locking the push block 46 and the base 41 to be relatively stationary is installed in the box body 1.

[0030] See also Figure 2 and Figure 8 The locking mechanism 5 includes an electromagnet 51 mounted on the push block 46, and an iron block 52 for magnetic attraction with the electromagnet 51 is fixedly mounted on the bottom wall of the chamber 42. A power-off button 53 is installed on the box body 1 and between the buffer plate 2 and the box body 1. The circuits between all power-off buttons 53 and the electromagnet 51 are connected in series, and a power supply is installed in the box body 1.

[0031] When dangerous goods need to be transported, they are placed in the box 1 to reduce external interference during transportation, which may cause the dangerous goods to be impacted and broken. After the dangerous goods are placed in the box 1, if the box 1 is subjected to external impact during transportation, such as collisions between boxes 1 during transportation, or kicking of the box 1 by the transporter due to blocked vision, the box 1 may shake or even fall over, resulting in leakage of dangerous goods.

[0032] The buffer plate 2 and the buffer rod spring can alleviate the impact to a certain extent. When the impact force is small, only a slight collision occurs. At this time, the external force acts on the buffer plate 2 on the surface of the box 1. The buffer plate 2 is forced to move toward the direction of the box 1, thereby compressing the buffer spring 3. When it is hit by a lighter external impact, the buffer spring 3 absorbs the impact force, reducing the violent shaking of the box 1 when it is hit, thereby keeping the dangerous items in the box 1 relatively stable.

[0033] In the initial state, the dangerous object is located inside the box 1, and the power current flows through the electromagnet 51, causing the electromagnet 51 to attract the iron block 52, and the push block 46 to be located in the middle of the cross slot 45. When the impact force on the box 1 is large and the buffer spring 3 is no longer able to absorb the impact force, and the box 1 is also under excessive force and tends to tip over, the buffer plate 2 on the side of the box 1 moves toward the box 1 and presses the power-off button 53. Because each power-off button 53 and the electromagnet 51 are connected in series, when the buffer plate 2 presses the power-off button 53, the circuit in the electromagnet 51 is de-energized, and the magnetic force between the electromagnet 51 and the iron block 52 disappears;

[0034] At this time, the box body 1 can slide relative to the base 41, so that under the action of the external impact force, the box body 1 slides relative to the base 41. If the impact force is from left to right (such as Figure 7 As shown in the figure, the box body 1 also moves from left to right relative to the base 41, so that the push block 46 slides in the cross slot 45. At the same time, the push block 46 pushes the pressure plate 44 located on the right side of the base 41 to gradually move to the right, thereby extending the contact area between the right side of the base 41 and the ground. When the box body 1 is subjected to a large impact force, the impact force is further unloaded by the movement of the box body 1. At the same time, the pressure plate 44 extends out of the base 41, increasing the contact area between the base 41 and the ground, reducing the possibility that the box body 1 will topple over due to the impact force, which may cause leakage of dangerous goods in the box body 1.

[0035] See also Figure 5 and Figure 8 The pressure plates 44 arranged opposite to each other on the base 41 are located on the same horizontal line, and the adjacent pressure plates 44 are staggered in the vertical direction. An iron sheet 47 is provided on the side of the pressure plate 44 close to the push block 46. In the initial state, the iron sheet 47 on the pressure plate 44 is magnetically attracted to the electromagnet 51 on the push block 46.

[0036] like Figure 7 As shown, when the base 41 is square, the impact force acts on the buffer plate 2 from left to right, and the buffer plate 2 squeezes the power-off button 53, so that the box body 1 slides from left to right relative to the base 41, and then the box body 1 drives the push block 46 to move, and the push block 46 pushes the pressure plate 44 out of the base 41, thereby expanding the contact range between the base 41 and the ground and reducing the tilting of the box body 1. An iron sheet 47 is provided on the pressure plate 44, which is magnetically attracted to the electromagnet 51, thereby reducing the shaking of the pressure plate 44 on the base 41 when there is no external force on the box body 1.

[0037] The relative pressing plates 44 are arranged on the same horizontal line, and the adjacent pressing plates 44 are staggered in the vertical direction, so that the area of ​​the pressing plates 44 is maximized, the strength of the pressing plates 44 is improved, and the unloading operation of the box body 1 is facilitated.

[0038] See also Figure 2A support plate 48 is fixedly installed on one side of the pressure plate 44 away from the push block 46 , and the lower side of the support plate 48 is on the same horizontal line as the lower side of the base 41 .

[0039] By providing the support plate 48, when the box body 1 is subjected to an impact force and tends to tilt, the side of the pressure plate 44 away from the push block 46 can have a supporting force, thereby quickly providing support for the box body 1 without having to wait until the side of the pressure plate 44 away from the push block 46 contacts the ground before providing support for the box body 1, thereby minimizing the tilt of the box body 1.

[0040] See also Figure 8 and Figure 9 A positioning groove 49 is formed on the side wall of the pressure plate 44 , and a protrusion 410 extending into the positioning groove 49 is fixedly mounted on the side wall of the guide groove 43 .

[0041] During the movement of the pressure plate 44, the protrusion 410 will also move relative to the pressure plate 44. When the pressure plate 44 moves to the point where it is about to completely extend out of the guide groove 43, the protrusion 410 cooperates with the positioning groove 49 to position the pressure plate 44 and prevent the pressure plate 44 from separating from the base 41.

[0042] See also Figure 5 and Figure 8 The chamber is also provided with a buffer mechanism 6 for buffering the box body 1. The buffer mechanism 6 includes two guide rails 61 arranged opposite to each other. The guide rails 61 are fixedly connected to the inner wall of the chamber. Each guide rail 61 is provided with a slider 62. A connecting rod 63 is fixedly installed between the two sliders 62. The push block 46 is provided with a through hole 64 for the connecting rod 63 to pass through. Each guide rail 61 is provided with a first spring 65 for buffering the slider 62. The connecting rod 63 is provided with a second spring 66 for buffering the push block 46. One side of the first spring 65 is fixedly connected to the inner wall of the chamber and the other side is fixedly connected to the slider 62. The second spring 66 is fixedly connected to the slider 62 on one side and the other side is fixedly connected to the push block 46.

[0043] When the box body 1 moves relative to the base 41, the box body 1 drives the push block 46 to move. Figure 7 As shown, when the box body 1 moves from left to right, the push block 46 is driven to move along the cross slot 45. At the same time, the push block 46 moves along the connecting rod 63. Then, when the push block 46 moves on the connecting rod 63, it squeezes the second spring 66. The second spring 66 provides a certain buffer for the moving push block 46, thereby gradually reducing the moving speed of the box body 1, thereby providing a secondary buffer for the impact force applied to the box body 1, thereby reducing the impact force applied to the dangerous goods in the box body 1.

[0044] When the box body 1 is subjected to a front-to-back impact force, the impact force is too great, causing the box body 1 to move from front to back relative to the base 41. At this time, the push block 46 will drive the connecting rod 63 and the slider 62 connected to the connecting rod 63 to move from front to back along the guide rail 61, and then the slider 62 will squeeze the first spring 65. The first spring 65 deforms under the force and cushions the moving slider 62, thereby gradually reducing the moving speed of the box body 1, thereby performing a secondary cushioning of the impact force applied to the box body 1 and reducing the impact force applied to the dangerous goods in the box body 1.

[0045] When the box body 1 is no longer subjected to external impact, the buffer plate 2 moves away from the box body 1 under the action of the buffer spring 3, and the power-off button 53 is no longer squeezed, thereby releasing the disconnection of the electromagnet 51 circuit. At this time, the electromagnet 51 circuit is connected and magnetically attracted to the iron block 52, thereby maintaining the stability of the box body 1 and reducing the shaking amplitude of the box body 1.

[0046] See also Figure 1 and Figure 8 To facilitate resetting the housing 1, a reset button 7 is also installed on the housing 1. The reset button 7 is connected in series with the power-off button 53 and is located on the upper side of the housing 1. When it is necessary to reset the housing 1, the reset button 7 is manually pressed to de-energize the internal circuit of the electromagnet 51, thereby releasing the mutual magnetic attraction between the electromagnet 51 and the iron block 52. Then, under the action of the elastic potential energy of the first spring 65 or the second spring 66, the housing 1 is reset. Then, the reset button 7 is pressed again, so that the electromagnet 51 and the iron block 52 are mutually attracted, thereby fixing the housing 1 and the base 41 to each other. Then, the pressing plate 44 extending out of the base 41 is pushed to retract into the base 41, so that the iron sheet 47 on the base 41 is attracted to the electromagnet 51, thereby completing the initial state, that is, the state in which it is not initially impacted.

[0047] See also Figure 8 A guide rod 54 is fixedly mounted on the upper side of the electromagnet 51, and a socket 55 for inserting the guide rod 54 is opened on the lower side of the push block 46. A third spring 56 is fixedly mounted on the inner wall of the guide rod 54 and the socket 55. When the circuit on the electromagnet 51 is powered off, the third spring 56 contracts and the electromagnet 51 is separated from the iron block 52. When the circuit on the electromagnet 51 is powered on, the third spring 56 stretches and the electromagnet 51 contacts the iron block 52.

[0048] When the electromagnet 51 is energized, there is an attraction between the electromagnet 51 and the iron block 52, so that the electromagnet 51 moves toward the iron block 52 and fits with it, making it difficult for the box 1 and the base 41 to move relative to each other. This is because there is friction between the electromagnet 51 and the iron block 52. At the same time, when the electromagnet 51 moves, it will drive the guide rod 54 to move, thereby stretching the third spring 56. Elastic potential energy is accumulated inside the third spring 56. When the electromagnet 51 is de-energized, under the pulling force of the third spring 56, the electromagnet 51 is separated from the iron block 52, thereby facilitating the sliding of the box 1 relative to the base 41.

[0049] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be embraced therein.

Claims

1. A collision-proof logistics box, comprising a box body (1), characterized in that: A buffer plate (2) is installed on the side of the box body (1), a buffer spring (3) is installed between the buffer plate (2) and the box body (1), and an expansion plate mechanism (4) is provided at the bottom of the box body (1) for increasing the supporting area between the bottom of the box body (1) and the ground; The expansion plate mechanism (4) includes a base (41) slidably arranged below the box body (1), a chamber (42) is provided in the base (41), a guide groove (43) communicating with the chamber (42) is provided on the side of the base (41), a pressure plate (44) passing through the guide groove (43) is slidably arranged in the chamber (42), a cross groove (45) is provided in the base (41) along the vertical direction, the cross groove (45) is communicated with the chamber (42), a push block (46) for pushing the pressure plate (44) out of the guide groove (43) is slidably arranged in the cross groove (45), the push block (46) is fixedly connected to the box body (1), and a locking mechanism (5) for locking the push block (46) and the base (41) to be relatively stationary is installed on the box body (1); The locking mechanism (5) includes an electromagnet (51) mounted on a push block (46); an iron block (52) for magnetic attraction with the electromagnet (51) is fixedly mounted on the bottom wall of the chamber (42); a power-off button (53) is mounted on the box (1) and between the buffer plate (2) and the box (1); a circuit between the power-off button (53) and the electromagnet (51) is connected in series; and a power supply connected to the circuit of the electromagnet (51) is mounted on the box (1); An iron sheet (47) is provided on one side of the pressing plate (44) close to the push block (46). In the initial state, the iron sheet (47) on the pressing plate (44) is magnetically attracted to the electromagnet (51) on the push block (46); A guide rod (54) is fixedly mounted on the upper side of the electromagnet (51), and a socket (55) for inserting the guide rod (54) is provided on the lower side of the push block (46). A third spring (56) is fixedly mounted between the guide rod (54) and the inner wall of the socket (55). When the circuit on the electromagnet (51) is powered off, the third spring (56) contracts, and the electromagnet (51) is separated from the iron block (52). When the circuit on the electromagnet (51) is powered on, the third spring (56) stretches, and the electromagnet (51) contacts the iron block (52).

2. The anti-collision logistics box according to claim 1, characterized in that: The pressing plates (44) disposed on the base (41) and arranged opposite to each other are located on the same horizontal line, and adjacent pressing plates (44) are staggered in the vertical direction.

3. The anti-collision logistics box according to claim 1, characterized in that: A support plate (48) is fixedly mounted on one side of the pressure plate (44) away from the push block (46), and the lower side of the support plate (48) is on the same horizontal line as the lower side of the base (41).

4. The anti-collision logistics box according to claim 1, characterized in that: A positioning groove (49) is provided on the side wall of the pressure plate (44), and a protrusion (410) extending into the positioning groove (49) is fixedly mounted on the side wall of the guide groove (43).

5. The anti-collision logistics box according to claim 1, characterized in that: The chamber is also provided with a buffer mechanism (6) for buffering the box body (1), the buffer mechanism (6) comprising two guide rails (61) arranged opposite to each other, the guide rails (61) being fixedly connected to the inner wall of the chamber, each guide rail (61) being provided with a slider (62), a connecting rod (63) being fixedly installed between the two sliders (62), a through hole (64) for the connecting rod (63) to pass through being opened on the push block (46), each guide rail (61) being provided with a first spring (65) for buffering the slider (62), and a second spring (66) for buffering the push block (46) being provided on the connecting rod (63).

6. The anti-collision logistics box according to claim 5, characterized in that: One side of the first spring (65) is fixedly connected to the inner wall of the chamber (42), and the other side is fixedly connected to the slider (62); one side of the second spring (66) is fixedly connected to the slider (62), and the other side is fixedly connected to the push block (46).

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