CN210149769U - Pedal folding type logistics turnover box - Google Patents
Pedal folding type logistics turnover box Download PDFInfo
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- CN210149769U CN210149769U CN201920661231.5U CN201920661231U CN210149769U CN 210149769 U CN210149769 U CN 210149769U CN 201920661231 U CN201920661231 U CN 201920661231U CN 210149769 U CN210149769 U CN 210149769U
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Abstract
The utility model discloses a pedal folding type logistics turnover box, which belongs to the field of logistics equipment and comprises a bottom frame, a left side frame, a right side frame and a front frame, wherein a pedal unlocking mechanism is arranged on the rear side frame, and the pedal unlocking mechanism comprises a pedal plate, a first connecting rod, two first rotary connecting rod joints, two second connecting rods, two second rotary connecting rod joints, two bolts, two springs, two pin columns, two bolt fixing plates and two bolt guide plates; when the rear side frame needs to be moved, only the pedal needs to be stepped on, so that the pedal drives the first connecting rod to move downwards, then the first connecting rod drives the second connecting rods on the two sides of the first connecting rod to rotate, incline and move inwards through the first rotating connecting rod joint, so that the second connecting rod drives the bolt on the outer side of the second connecting rod to rotate, incline and slide inwards through the second rotating connecting rod joint, so that the spacing between the rear side frame and the rear side column is released, the rear side frame can be folded inwards freely, the physical strength of operators is saved, and the working efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of logistics equipment, especially, relate to a pedal foldable commodity circulation turnover case.
Background
At present, the foldable logistics circulation box used in logistics mostly adopts the structure shown in fig. 1 to 5, the number of box side faces of the logistics circulation box can be four, four box side faces sequentially enclose the box side faces, the box side faces comprise an upper side frame 101 of a rectangular frame structure and a lower side frame 102 of the rectangular frame structure, the lower bottom edge of the upper side frame 101 is connected with the upper top edge of the lower side frame 102, the upper side frame 101 and the lower side frame 102 are located in the same vertical plane, the longitudinal central axes of the upper side frame 101 and the lower side frame 102 are overlapped, the width of the upper side frame 101 is larger than that of the lower side frame 102, the left side and the right side of the lower end of the upper side frame 101 are respectively connected with the upper ends of a pair of vertical clamping plates 103, the plate faces of the clamping plates 103 are all perpendicular to the plane where the upper side frame 101 and the lower side frame 102 are located, a vertical upright column 104 is arranged between, the horizontal central axis of the strip-shaped through hole 105 is vertical to the plate surface of the clamping plate 103, a horizontal rotating rod 106 is arranged in the strip-shaped through hole 105, two ends of the rotating rod 106 are respectively connected with the lower part of each pair of clamping plates 103, a raised clamping key can be arranged on the inner wall of the strip-shaped through hole 105, when the logistics circulation box with the structure is used, an operator is required to lift the upper side frame 101 upwards in the direction shown by the arrow in fig. 4, when the upper side frame 101 is separated from the limiting position of the clamping key, the upper side frame 101 can be folded in the direction shown by the arrow in fig. 5, and when the side length of the upper side frame 101 is smaller than or equal to 1200mm, a single person can operate; however, for a large tray with the side length of the upper side frame 101 being larger than 1200mm, the side frame is too heavy, two operators are needed to cooperate to fold the side frame smoothly, the physical power of the two operators is consumed seriously in the operation, the height of the side frame exceeds the optimal operation height of human-computer function, the arm strength requirement of the operators is higher, operators are labor-consuming and easy to fatigue, safety accidents are easy to generate when the operators are tired out, or the operators are easy to fall off the hands to the bottom frame, meanwhile, potential safety hazards exist, and articles are easy to damage and generate noise.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pedal folding type logistics turnover box, which solves the problems that the folding operation of the prior art folding logistics turnover box is time-consuming and labor-consuming, and has potential safety hazards; the labor of operators is saved, and the working efficiency is improved.
In order to achieve the above object, the utility model adopts the following technical scheme:
a pedal folding type logistics turnover box comprises a rectangular plate-shaped bottom plate, and a left side frame and a right side frame of a rectangular frame structure, wherein the left side frame comprises a left lower frame and a left upper frame; the left side of the bottom plate is connected with the bottom edge of a left lower frame of the rectangular frame structure through a left lower rotating mechanism, the right side of the bottom plate is connected with the bottom edge of a right lower frame of the rectangular frame structure through a right lower rotating mechanism, the top edge of the left lower frame is connected with the bottom edge of a left upper frame of the rectangular frame structure through a left upper rotating mechanism, and the top edge of the right lower frame is connected with the bottom edge of a right upper frame of the rectangular frame structure through a right upper rotating mechanism; the left side and the right side of the rear side of the bottom plate are respectively provided with a vertical rear frame column, the right side of the rear frame column on the left side and the left side of the rear side column on the right side are respectively provided with a longitudinal sunken sliding groove, the left end and the right end of a transverse sliding rod are respectively arranged in the sliding grooves, and the sliding rod is connected with the bottom edge of a rear side frame of a vertical rectangular frame structure;
a pedal unlocking mechanism is arranged on the rear side frame and comprises a pedal, a first connecting rod, two first rotating connecting rod joints, two second connecting rods, two second rotating connecting rod joints, two bolts, two springs, two pin columns, two bolt fixing plates and two bolt guide plates; the bolt fixing plate and the bolt guide plate are arranged to be bending plates with the middle parts protruding, pin holes are respectively formed in the middle parts of the bolt fixing plate and the bolt guide plate and the left side edge and the right side edge of the rear side frame, and the central axis of each pin hole is located in the plane where the rear side frame is located; the pedal plate is connected with the middle part of the first connecting rod, two ends of the first connecting rod are respectively connected with the inner end of the second connecting rod through the first rotating connecting rod joint, the outer end of the second connecting rod is respectively connected with the inner end of the bolt through the second rotating connecting rod joint, the outer end of the bolt on the left side sequentially penetrates through the bolt guide plate, the left side edge of the rear side frame and the pin hole in the bolt fixing plate, and the outer end of the bolt on the right side sequentially penetrates through the bolt guide plate, the right side edge of the rear side frame and the pin hole in the bolt fixing plate; the two ends of the left bolt guide plate are respectively connected with the left side edge of the rear side frame, the two ends of the right bolt guide plate are respectively connected with the right side edge of the rear side frame, and the protruding directions of the middle parts of the bolt guide plate and the bolt fixing plate face to the middle of the first connecting rod; springs are sleeved outside the bolt between the bolt guide plate on the left side and the left side edge of the rear side frame and outside the bolt between the bolt guide plate on the right side and the right side edge of the rear side frame; a positioning hole is formed in the bolt between the bolt guide plate and the second rotary connecting rod joint, and a pin column is arranged in each positioning hole; the both ends of left bolt fixed plate are connected with left rear side post respectively, and the both ends of right bolt fixed plate are connected with right rear side post respectively.
When the turnover box is used and in a normal use state of the turnover box, the outer end of the bolt of the pedal unlocking mechanism sequentially extends into the middle of the bolt fixing plate and the bolt guide plate and the pin holes on the left side and the right side of the rear side frame, so that the rear side column and the rear side frame are locked; when the rear side frame needs to be moved, only the pedal needs to be stepped on, so that the pedal drives the first connecting rod to move downwards, the first connecting rod drives the second connecting rods at two sides of the first connecting rod to rotate, incline and move inwards through the first rotating connecting rod joint, and the second connecting rod drives the bolt at the outer side of the second connecting rod to rotate, incline and slide inwards through the second rotating connecting rod joint, so that the spacing between the rear side frame and the rear side column is released, and the rear side frame can be folded inwards freely.
The utility model discloses a pedal foldable commodity circulation turnover case, can still furtherly, be provided with the first inclined plane that constitutes the taper with the outer end of bolt on the side of the outer end of bolt respectively.
When the rear side frame is used, the first inclined plane at the outer end of the bolt forms a conical oblique angle, and when the rear side frame is erected, the bolt automatically slides into the pin hole of the bolt fixing plate so as to lock the rear side frame and the rear side column.
Still further, a second inclined plane is arranged on the inner wall of each pin hole of the pin fixing plate, the second inclined plane of each pin hole of the pin fixing plate on the left side is matched with the first inclined plane of each pin on the left side, and the second inclined plane of each pin hole of the pin fixing plate on the right side is matched with the first inclined plane of each pin on the right side.
When the rear side frame is used, the second inclined plane of the pin hole can be matched with the first inclined plane of the bolt, so that when the rear side frame is erected, the bolt can automatically slide into the pin hole of the bolt fixing plate more smoothly, and the rear side frame and the rear side column are locked more efficiently.
The utility model discloses a pedal foldable commodity circulation turnover case can reach following beneficial effect:
the utility model can solve the problems of time and labor waste and potential safety hazard of the folding operation of the prior art folding logistics turnover box; the rear side frame is easy to fold, the rear side frame can be easily folded without being lifted by manpower during folding, the number of operators can be reduced, the physical labor of the operators is reduced, the manpower is saved, the safety risk is reduced, and the potential safety hazard is eliminated.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic structural diagram of a side frame and a bottom frame upright post of a logistics turnover box in the prior art.
Fig. 2 is a schematic appearance diagram of a side frame and a bottom frame upright post of a logistics turnover box in the prior art.
Fig. 3 is a schematic structural view of a state that a side frame of a logistics turnover box in the prior art is lifted upwards.
Fig. 4 is a schematic appearance diagram of a state that a side frame of a logistics turnover box in the prior art is lifted upwards.
Fig. 5 is a schematic structural view of the logistics turnover box in the prior art in an inward folded state after lifting side frames.
Fig. 6 is the utility model discloses a pedal foldable commodity circulation turnover case's overall structure schematic diagram.
Fig. 7 is the structural schematic diagram of the pedal unlocking mechanism of the pedal folding type logistics turnover box of the utility model.
Fig. 8 is the locking state principle schematic diagram of the pedal unlocking mechanism of the pedal folding type logistics turnover box of the utility model.
Fig. 9 is a schematic view of the unlocking state principle of the pedal unlocking mechanism of the pedal folding type logistics turnover box according to the present invention after the pedal is stepped on.
Fig. 10 is a schematic view of the locking state of the pedal unlocking mechanism of the pedal folding type logistics turnover box of the utility model.
Fig. 11 is a top view of the locking state of the pedal unlocking mechanism of the pedal folding type logistics turnover box of the utility model.
Fig. 12 is a sectional view taken along the direction a-a of the top view of the locking state of the pedal unlocking mechanism of the pedal folding type logistics turnover box of the utility model.
Fig. 13 is a partial enlarged view of the position B of the top view of the locking state of the pedal unlocking mechanism of the pedal folding type logistics turnover box of the utility model.
Fig. 14 is the appearance schematic diagram of the unlocking state of the pedal unlocking mechanism of the pedal folding type logistics turnover box of the utility model.
Fig. 15 is the utility model discloses a pedal foldable commodity circulation turnover case's pedal unlocking mechanism's the plan view of the state of unblanking.
Fig. 16 is a sectional view taken along the direction a-a of the plan view of the unlocking state of the pedal unlocking mechanism of the pedal folding type logistics turnover box of the utility model.
Fig. 17 is a partial enlarged view of the position B of the plan view of the unlocking state of the pedal unlocking mechanism of the pedal folding type logistics turnover box of the utility model.
Fig. 18 is the folding state schematic diagram of the left side frame and the right side frame of the pedal folding type logistics turnover box of the utility model.
Fig. 19 is the whole folding state schematic diagram of the pedal folding type logistics turnover box of the utility model.
In the figure, 101 is an upper side frame, 102 is a lower side frame, 103 is a clamping plate, 104 is a column, 105 is a strip-shaped through hole, 106 is a rotating rod; the lock comprises a base plate 1, a front frame 2, a front door 201, a left lower frame 3, a right lower frame 4, an upper left frame 5, an upper right frame 6, a rear frame column 7, a sliding groove 8, a sliding rod 9, a rear side frame 10, a pedal unlocking mechanism 100, a pedal 11, a first bolt-nut mechanism 110, a second bolt-nut mechanism 111, a first connecting rod 12, a first rotating connecting rod joint 13, a clamping plate 131, a rotating shaft rod 132, a second connecting rod 14, a second rotating connecting rod joint 15, a bolt 16, a spring 17, a pin column 18, a bolt fixing plate 19 and a bolt guide plate 20.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Example 1
A pedal folding type logistics turnover box is shown in figure 6 and comprises a rectangular plate-shaped bottom plate 1, and a left side frame and a right side frame of a rectangular frame structure, wherein the left side frame comprises a left lower frame 3 and a left upper frame 5, the right side frame comprises a right lower frame 4 and a right upper frame 6, and the front side edge of the bottom plate 1 is connected with the bottom edge of a front frame 2 of the rectangular frame structure through a front rotating mechanism; the left side of the bottom plate 1 is connected with the bottom edge of a left lower frame 3 of the rectangular frame structure through a left lower rotating mechanism, the right side of the bottom plate 1 is connected with the bottom edge of a right lower frame 4 of the rectangular frame structure through a right lower rotating mechanism, the top edge of the left lower frame 3 is connected with the bottom edge of a left upper frame 5 of the rectangular frame structure through a left upper rotating mechanism, and the top edge of the right lower frame 4 is connected with the bottom edge of a right upper frame 6 of the rectangular frame structure through a right upper rotating mechanism; the left side and the right side of the rear side of the bottom plate 1 are respectively provided with a vertical rear frame column 7, the right side of the rear frame column 7 on the left side and the left side of the rear frame column on the right side are respectively provided with a longitudinal sunken sliding groove 8, the left end and the right end of a transverse sliding rod 9 are respectively arranged in the sliding grooves 8, and the sliding rod 9 is connected with the bottom edge of a rear frame 10 of a vertical rectangular frame structure;
a pedal unlocking mechanism 100 is arranged on the rear side frame 10, and referring to fig. 7, the pedal unlocking mechanism 100 comprises a pedal plate 11, a first connecting rod 12, two first rotating connecting rod joints 13, two second connecting rods 14, two second rotating connecting rod joints 15, two bolts 16, two springs 17, two pins 18, two bolt fixing plates 19 and two bolt guide plates 20; referring to fig. 10 to 17, the bolt fixing plate 19 and the bolt guide plate 20 are provided as bending plates with convex middle portions, pin holes are respectively formed in the middle of the bolt fixing plate 19 and the bolt guide plate 20 and the left side edge and the right side edge of the rear side frame 10, and the central axes of the pin holes are located in a plane where the rear side frame 10 is located; the pedal 11 is connected with the middle part of a first connecting rod 12, two ends of the first connecting rod 12 are respectively connected with the inner ends of a second connecting rod 14 through a first rotating connecting rod joint 13, the outer ends of the second connecting rod 14 are respectively connected with the inner ends of bolts 16 through a second rotating connecting rod joint 15, the outer end of the bolt 16 on the left side sequentially penetrates through the bolt guide plate 20, the left side of the rear side frame 10 and the pin hole on the bolt fixing plate 19, and the outer end of the bolt 16 on the right side sequentially penetrates through the bolt guide plate 20, the right side of the rear side frame 10 and the pin hole on the bolt fixing plate 19; the two ends of the left bolt guide plate 20 are respectively connected with the left side edge of the rear side frame 10, the two ends of the right bolt guide plate 20 are respectively connected with the right side edge of the rear side frame 10, and the protruding directions of the middle parts of the bolt guide plate 20 and the bolt fixing plate 19 both face the middle part of the first connecting rod 12; springs 17 are sleeved outside the bolt 16 between the bolt guide plate 20 on the left side and the left side edge of the rear side frame 10 and outside the bolt 16 between the bolt guide plate 20 on the right side and the right side edge of the rear side frame 10; a positioning hole is formed in the bolt 16 between the bolt guide plate 20 and the second rotary connecting rod joint 15, and a pin column 18 is arranged in each positioning hole; the two ends of the left bolt fixing plate 19 are respectively connected with the left rear side column, and the two ends of the right bolt fixing plate 19 are respectively connected with the right rear side column.
Each part of the pedal folding type logistics turnover box can be a metal part, and each connecting structure can adopt a welding structure or a screw nut structure in the prior art. The left and right directions refer to the left and right directions of fig. 1 to 19, respectively. The front rotating mechanism, the left lower rotating mechanism, the left upper rotating mechanism, the right lower rotating mechanism and the right upper rotating mechanism can adopt a hinge structure or a rotating shaft structure in the prior art. The sliding rod 9 can move up and down in the sliding groove 8, and the sliding rod 9 can also rotate along the central axis of the sliding rod 9 in the sliding groove 8. The second link 14 may be rotated in a vertical plane by the first rotary link joint 13 and the latch 16 may be rotated in a vertical plane by the second rotary link joint 15. The latch fixing plate 19 and the latch guide plate 20 may be both formed as an n-shaped bent plate having a right-angled bend. The inner side and the outer side mean that a side close to the center point of the first link 14 is the inner side with respect to the center point of the first link 14, and vice versa.
Thus, in use, referring to fig. 8, in a normal use state of the turnover box, the outer ends of the bolts 16 of the pedal unlocking mechanism 100 sequentially extend into the middle of the bolt fixing plate 19 and the bolt guide plate 20 and the pin holes on the left side and the right side of the rear side frame 10, so that the rear side column and the rear side frame 10 are locked; when the rear side frame 10 needs to be moved, only the foot pedal 11 needs to be stepped on, see fig. 9, so that the foot pedal 11 drives the first connecting rod 12 to move downwards as shown by the solid arrow in fig. 9, the first connecting rod 12 drives the second connecting rods 14 at two sides of the first connecting rod to rotate, incline and move inwards through the first rotating connecting rod joint 13, so that the second connecting rod 14 rotates, inclines and drives the bolts 16 at the outer sides of the second connecting rod to slide inwards in the direction shown by the dotted arrow in fig. 9 through the second rotating connecting rod joint 15, so as to release the limit between the rear side frame 10 and the rear side column, and the rear side frame 10 can be folded inwards freely.
Example 2
The pedal folding type logistics turnover box can further comprise first conical inclined planes which are arranged on the side faces of the outer ends of the bolts 16 respectively and enable the outer ends of the bolts 16 to form a cone shape.
Thus, when the rear side frame 10 is erected, the bolt 16 automatically slides into the pin hole of the bolt fixing plate 19 to lock the rear side frame 10 and the rear side column when the first inclined surface of the outer end of the bolt 16 forms a conical oblique angle.
Example 3
A pedal folding type logistics circulation box, further, a second inclined plane is arranged on the inner wall of each pin hole of each pin fixing plate 19, the second inclined plane of each pin hole of each left pin fixing plate 19 is matched with the first inclined plane of each left pin 16, and the second inclined plane of each pin hole of each right pin fixing plate 19 is matched with the first inclined plane of each right pin 16.
Thus, in use, the second inclined surface of the pin hole can be engaged with the first inclined surface of the bolt 16, so that when the rear side frame 10 is erected, the bolt 16 can automatically slide into the pin hole of the bolt fixing plate 19 more smoothly, and the rear side frame 10 and the rear side pillar can be locked more efficiently.
In another specific embodiment, both ends of the first link 12 are provided with lever shaft holes, and the central axes of the lever shaft holes are perpendicular to the plane of the rear side frame 10; the first rotating link joint 13 comprises two longitudinal clamping plates 131, the left ends of the two clamping plates 131 of the first rotating link joint 13 on the left side are connected with the right end of the second connecting rod 14 on the left side, the right ends of the two clamping plates 131 of the first rotating link joint 13 on the right side are connected with the left end of the second connecting rod 14 on the right side, the right parts of the two clamping plates 131 of the first rotating link joint 13 on the left side and the left parts of the two clamping plates 131 of the first rotating link joint 13 on the right side are provided with plate shaft holes, and the central axes of the plate shaft holes are perpendicular to the plane of the rear side frame 10; the left end of the first link 12 is disposed between the two clamping plates 131 of the left first rotating link joint 13, the right end of the first link 12 is disposed between the two clamping plates 131 of the right first rotating link joint 13, and the plate shaft holes of the left lever shaft hole of the first link 12 and the two clamping plates 131 of the left first rotating link joint 13, and the plate shaft holes of the right lever shaft hole of the first link 12 and the two clamping plates 131 of the right first rotating link joint 13 are respectively provided with a rotating shaft 132.
In this way, the lateral connection and relative rotational movement of the first link 12 and the second link 14 through the first rotational link joint 13 can be facilitated. The spindle rod 132 may be replaced by a screw nut or a bolt nut, and both ends of the spindle rod 132 may be provided with a baffle, so that the spindle rod 132 can be prevented from sliding off.
In another specific embodiment, the right end of the left bolt 16 and the left end of the right bolt 16 are respectively provided with a bolt hole, and the central axes of the bolt holes are both perpendicular to the plane of the rear side frame 10; the second rotating link joint 15 includes two longitudinal clamping plates 131, the right ends of the two clamping plates 131 of the left second rotating link joint 15 are both connected with the left end of the left second link 14, and the right ends of the two clamping plates 131 of the right second rotating link joint 15 are both connected with the right end of the right second link 14; the plate shaft holes are formed in the left parts of the two clamping plates 131 of the left second rotating link joint 15 and the right parts of the two clamping plates 131 of the right second rotating link joint 15, and the central axes of the plate shaft holes are perpendicular to the plane where the rear side frame 10 is located; the right end of the left latch 16 is disposed between the two clamp plates 131 of the left second rotating link joint 15, the left end of the right latch 16 is disposed between the two clamp plates 131 of the right second rotating link joint 15, and the pin hole of the left latch 16 and the plate hole of the left portion of the two clamp plates 131 of the left second rotating link joint 15, and the pin hole of the right latch 16 and the plate hole of the right portion of the two clamp plates 131 of the right second rotating link joint 15 are respectively provided with one rotating shaft 132.
In this way, the lateral connection and relative rotational movement of the latch 16 of the second link 14 through the second rotational link joint 15 can be facilitated.
In another embodiment, the front frame 2 is provided with a front door 201. Thus, the turnover logistics box can be conveniently opened.
In another embodiment, the footrest 11 is provided as a bent plate structure. Thus, the installation and stepping operation of the foot pedal 11 can be facilitated. The pedals 11 may be both provided as n-shaped bent plates with a right-angled bend.
In another embodiment, the footrest 11 is attached to the middle of the first link 12 by a first bolt-and-nut mechanism 110. Thus, the installation of the footrest 11 can be facilitated.
In another embodiment, the two ends of the bolt-fixing plate 19 are connected to the rear pillars through the second bolt-and-nut mechanisms 111, respectively. Thus, the installation of the latch fixing plate 19 can be facilitated.
In another embodiment, the two ends of the bolt guide 20 are connected to the left side and the right side of the rear frame 10 through a third bolt-nut mechanism. In this way, the installation of the latch guide 20 can be facilitated.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A pedal folding type logistics turnover box comprises a rectangular plate-shaped bottom plate (1), and a left side frame and a right side frame of a rectangular frame structure, wherein the left side frame comprises a left lower frame (3) and a left upper frame (5), the right side frame comprises a right lower frame (4) and a right upper frame (6), and the front side edge of the bottom plate (1) is connected with the bottom edge of a front frame (2) of the rectangular frame structure through a front rotating mechanism; the left side of the bottom plate (1) is connected with the bottom edge of a left lower frame (3) of the rectangular frame structure through a left lower rotating mechanism, the right side of the bottom plate (1) is connected with the bottom edge of a right lower frame (4) of the rectangular frame structure through a right lower rotating mechanism, the top edge of the left lower frame (3) is connected with the bottom edge of a left upper frame (5) of the rectangular frame structure through a left upper rotating mechanism, and the top edge of the right lower frame (4) is connected with the bottom edge of a right upper frame (6) of the rectangular frame structure through a right upper rotating mechanism; the left side and the right side of the rear side of the bottom plate (1) are respectively provided with a vertical rear frame column (7), the right side of the rear frame column (7) on the left side and the left side of the rear side column on the right side are respectively provided with a longitudinal sunken sliding groove (8), the left end and the right end of a transverse sliding rod (9) are respectively arranged in the sliding grooves (8), and the sliding rod (9) is connected with the bottom edge of a rear side frame (10) of a vertical rectangular frame structure; it is characterized in that the preparation method is characterized in that,
a pedal unlocking mechanism (100) is arranged on the rear side frame (10), and the pedal unlocking mechanism (100) comprises a pedal (11), a first connecting rod (12), two first rotating connecting rod joints (13), two second connecting rods (14), two second rotating connecting rod joints (15), two bolts (16), two springs (17), two pins (18), two bolt fixing plates (19) and two bolt guide plates (20); the bolt fixing plate (19) and the bolt guide plate (20) are arranged to be bending plates with convex middle parts, pin holes are respectively formed in the middle of the bolt fixing plate (19) and the bolt guide plate (20) and on the left side and the right side of the rear side frame (10), and the central axis of each pin hole is located in the plane where the rear side frame (10) is located; the pedal (11) is connected with the middle part of the first connecting rod (12), two ends of the first connecting rod (12) are respectively connected with the inner end of the second connecting rod (14) through the first rotating connecting rod joint (13), the outer end of the second connecting rod (14) is respectively connected with the inner end of the bolt (16) through the second rotating connecting rod joint (15), the outer end of the bolt (16) on the left side sequentially penetrates through the bolt guide plate (20), the left side edge of the rear side frame (10) and the pin hole in the bolt fixing plate (19), and the outer end of the bolt (16) on the right side sequentially penetrates through the bolt guide plate (20), the right side edge of the rear side frame (10) and the pin hole in the bolt fixing plate (19); two ends of the left bolt guide plate (20) are respectively connected with the left side edge of the rear side frame (10), two ends of the right bolt guide plate (20) are respectively connected with the right side edge of the rear side frame (10), and the protruding directions of the middle parts of the bolt guide plate (20) and the bolt fixing plate (19) face the middle part of the first connecting rod (12); springs (17) are sleeved outside the bolt (16) between the bolt guide plate (20) on the left side and the left side of the rear side frame (10) and outside the bolt (16) between the bolt guide plate (20) on the right side and the right side of the rear side frame (10); a positioning hole is formed in the bolt (16) between the bolt guide plate (20) and the second rotary connecting rod joint (15), and a pin column (18) is arranged in each positioning hole; the two ends of the left bolt fixing plate (19) are respectively connected with the left rear side column, and the two ends of the right bolt fixing plate (19) are respectively connected with the right rear side column.
2. A pedal-operated collapsible logistics turnover box according to claim 1, wherein the side surfaces of the outer ends of the latches (16) are respectively provided with first inclined surfaces for forming the outer ends of the latches (16) into a cone shape.
3. A pedal-operated collapsible logistics circulation box according to claim 2, wherein the pin holes of the pin fixing plates (19) are each provided with a second inclined surface on the inner wall of the hole, the second inclined surfaces of the pin holes of the left pin fixing plates (19) are matched with the first inclined surfaces of the left pins (16), and the second inclined surfaces of the pin holes of the right pin fixing plates (19) are matched with the first inclined surfaces of the right pins (16).
4. A pedal-operated collapsible logistics turnover box according to claim 1, wherein the first connecting rod (12) is provided with rod shaft holes at both ends, and the central axes of the rod shaft holes are perpendicular to the plane of the rear side frame (10); the first rotating connecting rod joint (13) comprises two longitudinal clamping plates (131), the left ends of the two clamping plates (131) of the first rotating connecting rod joint (13) on the left side are connected with the right end of the second connecting rod (14) on the left side, the right ends of the two clamping plates (131) of the first rotating connecting rod joint (13) on the right side are connected with the left end of the second connecting rod (14) on the right side, plate shaft holes are formed in the right parts of the two clamping plates (131) of the first rotating connecting rod joint (13) on the left side and the left parts of the two clamping plates (131) of the first rotating connecting rod joint (13) on the right side, and the central axes of the plate shaft holes are perpendicular to the plane where the rear side frame (10) is located; the left end of the first connecting rod (12) is arranged between two clamping plates (131) of the first rotating connecting rod joint (13) on the left side, the right end of the first connecting rod (12) is arranged between two clamping plates (131) of the first rotating connecting rod joint (13) on the right side, and the plate shaft holes of the two clamping plates (131) of the first rotating connecting rod joint (13) on the left side of the first connecting rod (12) and the plate shaft holes of the two clamping plates (131) of the first rotating connecting rod joint (13) on the right side are respectively provided with a rotating shaft rod (132).
5. A pedal folding type logistics turnover box according to claim 4, characterized in that the right end of the bolt (16) at the left side and the left end of the bolt (16) at the right side are respectively provided with a bolt hole, and the central axes of the bolt holes are both vertical to the plane of the rear side frame (10); the second rotating connecting rod joint (15) comprises two longitudinal clamping plates (131), the right ends of the two clamping plates (131) of the second rotating connecting rod joint (15) on the left side are connected with the left end of the second connecting rod (14) on the left side, and the right ends of the two clamping plates (131) of the second rotating connecting rod joint (15) on the right side are connected with the right end of the second connecting rod (14) on the right side; the left parts of the two clamping plates (131) of the left second rotating connecting rod joint (15) and the right parts of the two clamping plates (131) of the right second rotating connecting rod joint (15) are both provided with plate shaft holes, and the central axes of the plate shaft holes are both vertical to the plane where the rear side frame (10) is located; the right end of the left bolt (16) is arranged between the two clamping plates (131) of the left second rotating connecting rod joint (15), the left end of the right bolt (16) is arranged between the two clamping plates (131) of the right second rotating connecting rod joint (15), the pin shaft hole of the left bolt (16) and the plate shaft hole at the left part of the two clamping plates (131) of the left second rotating connecting rod joint (15) as well as the pin shaft hole of the right bolt (16) and the plate shaft hole at the right part of the two clamping plates (131) of the right second rotating connecting rod joint (15) are respectively provided with a rotating shaft rod (132).
6. A pedal-operated collapsible logistics turnover box according to claim 1, wherein the front frame (2) is provided with a front door (201).
7. A pedal-operated collapsible logistics turnover box according to claim 1, wherein the foot pedal (11) is provided as a bent plate structure.
8. A pedal collapsible logistics turnover box according to claim 1, wherein the pedal plate (11) is connected to the middle of the first link (12) by a first bolt and nut mechanism (110).
9. A pedal-operated collapsible logistics turnover box according to claim 1, wherein both ends of the latch fixing plate (19) are connected to the rear side columns through second bolt-and-nut mechanisms (111), respectively.
10. A pedal-operated collapsible logistics turnover box according to claim 9, wherein both ends of the latch guide (20) are connected to the left side edge and the right side edge of the rear side frame (10) respectively through a third bolt-and-nut mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920661231.5U CN210149769U (en) | 2019-05-09 | 2019-05-09 | Pedal folding type logistics turnover box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920661231.5U CN210149769U (en) | 2019-05-09 | 2019-05-09 | Pedal folding type logistics turnover box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210149769U true CN210149769U (en) | 2020-03-17 |
Family
ID=69758825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920661231.5U Active CN210149769U (en) | 2019-05-09 | 2019-05-09 | Pedal folding type logistics turnover box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210149769U (en) |
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2019
- 2019-05-09 CN CN201920661231.5U patent/CN210149769U/en active Active
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