JP2009220821A - Loading and unloading pallet with opening and closing panel - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce the cost of a locking unit and to smoothly open or close an opening/closing panel, in a loading and unloading pallet equipped with the locking unit for the opening/closing panel. <P>SOLUTION: A guide member 16 for holding the slide bar 17 of the locking unit 14 is formed by bending a linear material in a portal shape when viewed from the front. In addition, slide bar inserting parts 22a and 22b are formed at the upper end sides of the left and right vertical linear material parts 21a and 21b by bending these linear materials. Of the left and right vertical linear materials 21a and 21b, the outer vertical linear material part 21a closer to the side of the opening/closing panel 5 is disposed between the outermost vertical linear material 23a of the opening/closing panel 5 and the vertical linear material 23b which is the second from the inside of the panel. A slit part 29, through which a locked member 19 on the side-panel 2 or 3 side is inserted, is formed between the outer vertical linear material part 21a and the outermost vertical linear material 23a of the opening/closing panel 5. The outer vertical linear material part 21a is inclined so that the width of the slit part 29 increases upward. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a loading / unloading pallet with an opening / closing panel provided with a mesh-structured opening / closing panel that opens and closes between the front sides of the left and right side panels and a locking means that locks the opening / closing panel in a closed position.

As described in Patent Document 1, this type of cargo handling pallet with an open / close panel has a mesh-structured open / close panel that opens and closes between the front sides of the left and right side panels, and is attached to the load support base so that it can be raised and lowered. Locking means for locking the open / close panel to the left and right side panels at a closed position is provided, and the lock means is a vertical wire of the open / close panel by a guide member fixed to the outside of the open / close panel. A slide bar that is supported laterally laterally on the outside and capable of sliding in the axial direction and rotating around the axial center, an operation lever that is attached to the slide bar and can move up and down integrally with the slide bar, and opening and closing When the panel reaches the closed position, it is equipped with a locked member protruding from the front side of the left and right side panels so as to penetrate between the vertical wires of the open / close panel, and is tilted downward The slide bar can be positioned by the engagement position between the operation lever and the vertical wire rod of the open / close panel at the advanced position inserted into the lateral through hole portion of the locked member and the retracted position detached from the lateral through hole portion. It is composed of.
No. 8-2101

  Thus, as described in Patent Document 1, in the conventional cargo handling pallet with an open / close panel, the left and right lateral swings of the front sides of the left and right side panels in a state where the open / close panel is locked at the closed position are provided. In order to keep the movement (play) small, another vertical wire is added at an intermediate position between the outermost vertical wire and the inner second vertical wire on the opening / closing panel, and the added intermediate vertical wire and outermost vertical wire In between, the slit part which the to-be-latched member which protrudes from the front side of both right and left side panels penetrates is formed. In other words, the interval between the vertical wires of the open / close panel is usually considerably wider than the thickness (about 10 mm) of the locked member formed by bending a wire having a wire diameter of about 10 mm. Therefore, if the slit portion through which the locked member on the side panel passes directly between the wide vertical wires, the slide bar on the open / close panel side is inserted through the lateral through hole portion of the locked member. Even if the open / close panel is locked in the closed position, it can only prevent the open / close panel from opening, and the position of the front side of the left and right side panels cannot be restricted. The left and right side panels are greatly swung in the left and right lateral directions with the loose movement of the locked member on the side panel side. In order to avoid such an inconvenience, conventionally, an intermediate vertical wire was added as described above to narrow the width of the slit portion through which the locked member passes. Therefore, the number of vertical wires of the open / close panel increases, resulting in an increase in material cost and processing cost.

  Therefore, there is no intermediate vertical wire added to form the slit portion through which the locked member passes, and a part of the guide member, that is, the guide member configured by bending the wire into a gate shape. It is conceivable that the outer vertical wire portion is also used as the intermediate vertical wire portion to form a slit portion through which the locked member passes between the outer vertical wire portion of the guide member and the outermost vertical wire member of the open / close panel. However, the following problems were found. In other words, the outer vertical wire portion of the guide member is bent to form the slide bar insertion portion. Therefore, when the slide bar is positioned at the retracted position, the tip of the slide bar extends from the slide bar insertion portion to some extent. Unless configured so as to protrude, it is impossible to hold the slide bar while ensuring the catch between the slide bar and the slide bar insertion portion. For this reason, when the opening / closing operation of the opening / closing panel performed with the slide bar positioned at the retracted position, the locked member on the opening / closing panel side protrudes from the outer vertical wire portion (slide bar insertion portion) of the guide member. The slide bar is stuck with the tip of the slide bar, and the open / close operation of the open / close panel cannot be performed smoothly.

  An object of the present invention is to provide a cargo handling pallet with an open / close panel that can solve the above-described conventional problems, and the cargo handling pallet with an open / close panel according to claim 1 will be described later. When shown with reference numerals in the embodiment, a mesh-structured open / close panel 5 that opens and closes between the front sides of the left and right side panels 2 and 3 is attached to the load support base 1 so as to be freely opened and closed. A cargo handling pallet with an opening / closing panel provided with locking means 14 for locking to the left and right side panels 2, 3 in the closed position, wherein the locking means 14 is fixed to the outside of the opening / closing panel 5. 16 is attached to the slide bar 17 and a slide bar 17 that is supported laterally laterally outside the vertical wire member 23 of the open / close panel 5 and is capable of sliding in the axial direction and rotating around the axial center. The front side of the left and right side panels 2 and 3 so as to penetrate between the operating lever 18 that can move up and down integrally with the slide bar 17 and the vertical wire 23 of the opening and closing panel 5 when the opening and closing panel 5 reaches the closed position. The locking member 19 is provided so as to protrude from the side, and the slide bar 17 is connected to the locking member 19 by the engagement of the operation lever 18 tilted downward and the vertical wires 23b and 23c of the open / close panel 5. In the cargo handling pallet with an open / close panel configured to be positioned at an advanced position inserted into the lateral through-hole portion 19a and a retracted position separated from the lateral through-hole portion 19a, the guide member 16 has a wire-shaped front shape. The slide bar insertion portions 22a and 22b are formed by bending the wire rods at the upper ends of the left and right vertical wire rod portions 21a and 21b. Of these left and right vertical wire portions 21a and 21b, the outer vertical wire portion 21a on the side close to the side of the open / close panel 5 is replaced with the outermost vertical wire member 23a of the open / close panel 5 and the second vertical wire member 23b inside thereof. And a slit portion 29 through which the locked member 19 passes is formed between the outer vertical wire portion 21a and the outermost vertical wire portion 23a of the open / close panel 5, and the width of the slit portion 29 is Is configured such that the outer vertical wire portion 21a is inclined so as to be spread upward.

  In carrying out the present invention having the above-described configuration, specifically, as described in claim 2, the horizontal horizontal wire portion 20 of the guide member 16 has an outermost vertical wire 23 a of the open / close panel 5. The horizontal wire rod 24a of the open / close panel 5 is in contact with the inner second and third vertical wire rods 23b and 23c, and the lower end portions of the left and right vertical wire rod portions 21a and 21b are located immediately below the horizontal wire rod portion 20. The four abutting portions 25a to 25d of the guide member 16 and the open / close panel wire members 23b, 23c, and 24a can be fixed together by welding. In addition, as described in claim 3, the guide member 16 can also have its inner vertical wire portion 21b inclined in a symmetrical manner with the outer vertical wire portion 21a.

  According to the cargo handling pallet with an open / close panel according to the first aspect of the present invention, the side panel is provided between the outer vertical wire portion of the guide member attached to the outside of the open / close panel and the outermost vertical wire member of the open / close panel. Since the structure is a slit portion through which the locked member on the side penetrates, even if the interval between the vertical wire members in the mesh-structured open / close panel is wide, the width of the above-mentioned width adapted to the thickness of the locked member as in the past There is no need to add another vertical wire to form the slit portion, the material cost and processing cost of the opening / closing panel can be reduced, and the locked member can be simply determined by considering the mounting position of the guide member. By forming a slit portion having a width suitable for the thickness of the open / close panel on the open / close panel side, it is possible to reliably prevent the lateral movement of the left and right side panels when the open / close panel is closed.

  Furthermore, according to the configuration of the present invention, the outer vertical wire portion of the guide member is inclined so that the lateral width of the slit portion through which the locked member on the side panel side passes is widened. When the position of the slide bar is positioned, the tip of the slide bar protrudes to some extent from the slide bar insertion portion formed on the upper end side of the outer vertical wire portion, and the slide bar is securely defined even when the slide bar is positioned at the retracted position. Even if it is configured so that it can be held in position, the lower end portion of the outer vertical wire portion extending downwardly from the slide bar insertion portion narrows the lateral width of the slit portion through which the locked member on the side panel side penetrates. Therefore, the insertion / removal position of the locked member on the side panel side is restricted at the portion where the lateral width on the lower end side of the slit portion is narrowed, and the slide member located in the retracted position with respect to the locked member As long as the locked member on the side panel is a general one constructed by bending a round bar, even if the interference with the bar tip is completely eliminated or somewhat interferes, the slit The locked member inserted into and removed from the part and the slide bar tip in the retracted position are substantially prevented from being caught, and the opening / closing operation of the opening / closing panel can be performed smoothly.

  In addition, since there is a portion where the lateral width on the upper end side of the slit portion is widened, the engagement on the side panel side when closing the open / close panel is compared with the case where the lateral width is narrowed across the entire vertical direction of the slit portion. The stop member can be easily inserted into the slit portion on the opening / closing panel side, and the closing operation of the opening / closing panel can be easily and smoothly performed in this respect. Furthermore, since the locked member on the side panel side inserted into the slit portion can be positioned at the portion where the lateral width on the lower end side of the slit portion is narrowed, the opening / closing panel is locked at the closed position by the locking means. It is possible to reduce play in the left and right lateral directions of the left and right side panels in the state of being. Therefore, when the upper and lower open / close panels are constituted by two upper and lower panels connected by hinges, and each of the upper and lower open / close panels is locked to the side panel by the locking means, the upper open / close panel is used. It is possible to stabilize the standing posture by reducing the side panel falling when only the door is open.

  In addition, according to the structure of Claim 2, while reducing the wire length of the guide member attached to the outer side of an opening-and-closing panel and reducing the number of welding locations with respect to an opening-and-closing panel, the further cost reduction can be aimed at. According to the third aspect of the present invention, since the guide members attached to the outside of the open / close panel are symmetrical, the same guide members are used as the guide members of the locking means provided on the left and right sides of the open / close panel. It can be used also, and the cost can be further reduced.

  A specific example of a foldable box-type pallet employing the locking means according to the present invention will be described below with reference to the accompanying drawings. In FIGS. 3 is a side panel that rises from the left and right sides of the load support base 1, 4 is a back panel that rises from the rear side of the load support base 1, and 5 is an openable open / close panel that stands from the front side of the load support base 1. is there. The load support base 1 is composed of a frame structure 6 and a mesh structure 7 that is fixedly superposed on the frame structure 6, and legs 8 are attached below the four corners of the frame structure 6. The side panels 2 and 3 are connected to the left and right sides of the back panel 4 via coil hinges 9 so as to be foldable so as to overlap the back panel 4. The lower side of the back panel 4 is connected to the load support base 1 by a coil hinge 10 so as to be raised and lowered.

  The open / close panel 5 includes a lower panel portion 5a and an upper panel portion 5b connected to the upper side of the lower panel portion 5a by a hinge 11 so as to be freely opened and closed in the front-rear direction. A bent bottom side portion 12 is provided which is continuously bent inward at right angles from the side, and a tip of the bent bottom side portion 12 is provided on the load support 1, specifically on the frame structure 6 by a hinge 13. It is connected up and down freely. Then, four engagements for engaging the upper ends of the left and right sides of the lower panel portion 5a of the open / close panel 5 and the upper ends of the left and right sides of the upper panel portion 5b to the front sides of the side panels 2 and 3 that are vertically erected. Stop means 14 is provided.

  In the assembled state shown in FIG. 1, the cargo handling pallet having the above configuration is used for transporting and storing by storing the load in the load storage space on the load support base 1 surrounded by the panels 2 to 5. However, when the load is taken out, the locking means 14 can be released and the entire opening / closing panel 5 or only the upper opening / closing panel portion 5b can be turned forward to open the front side of the load storage space. The cargo handling pallet in this assembled state is formed by fitting the left and right leg bodies 8 of the upper pallet to the upper sides of the left and right side panels 2 and 3 of the lower pallet, as shown in phantom lines in FIG. Can be stacked.

  The cargo handling pallet that is not used is operated so that the locking means 14 is unlocked so that the left and right side panels 2 and 3 are disconnected from the open / close panel 5 and the left and right side panels 2 and 3 are stacked on the back panel 4. In the folded state, the back panel 4 is folded together with the left and right side panels 2 and 3 so as to be stacked on the load support base 1, and the opening / closing panel 5 is folded thereon so that the height above the load support base 1 is reached. Can be lowered to the height corresponding to the height of the bent bottom portion 12 in the vertical posture of the lower panel portion 5a in the uppermost opening / closing panel 5. In the cargo handling pallet in this embodiment, as shown in FIG. 1, a frame structure 6 that projects the lower sides of the left and right side panels 2, 3 from the mesh structure 7 of the load support 1 to the left and right sides. Side panel positioning projections 15 that prevent the left and right side panels 2 and 3 from opening outward in the pallet assembly state placed on the upper side, adjacent to the outer sides of the lower sides of the left and right side panels 2 and 3. Are protruded from the left and right outer sides of the load support base 1 (outer sides of the frame structure 6).

  The details of the locking means 14 of the present invention employed in the foldable box-type cargo handling pallet having the above-described configuration will be described with reference to FIGS. 4 to 8. A guide member 16 attached to the slide bar 17, a slide bar 17 supported by the guide member 16, an operation lever 18 attached to the slide bar 17, and a locked member 19 attached to the left and right side panels 2 and 3. It is configured.

  The guide member 16 is a left-right symmetric shape formed by bending a single round bar-like wire rod into a front gate shape. The horizontal wire portion 20 is horizontally oriented and is directed downward from both left and right ends of the horizontal wire portion 20. And a pair of left and right vertical wire portions 21a and 21b extending in a C-shape in a direction away from each other toward the lower end side, and a circular arc forward at the upper end portions of the pair of left and right vertical wire portions 21a and 21b. Slide bar insertion portions 22a and 22b protruding in a shape are formed. The lower panel portion 5a and the upper panel portion 5b to which the guide member 16 is attached include a vertical wire 23 arranged in parallel at appropriate intervals in the left-right direction, and appropriate vertical intervals at the inside of the vertical wire 23. And a horizontal wire 24 arranged in parallel to each other at a crossing portion of the two, and having a mesh structure. In the illustrated embodiment, the uppermost horizontal wires 24 of the upper panel portion 5b are reinforced by fixing them in parallel so that the vertical wires 23 are sandwiched from both the inner and outer sides.

  Thus, the guide member 16 having the above-described configuration is attached to the left and right side upper ends of the lower panel portion 5a and the left and right side upper ends of the upper panel portion 5b, and the mounting positions thereof are the panel portions 5a and 5b. The outer vertical wire portion 21a is positioned at an intermediate position between the outermost vertical wire member 23a and the inner second vertical wire member 23b, and the second vertical wire member 23b and the third inner wire. The horizontal wire portion 20 is in contact with the outer side of the vertical wire member 23c, and the lower ends of the pair of left and right vertical wire member portions 21a, 21b are in contact with the outer side of one horizontal wire member 24a located directly below the horizontal wire member portion 20. In the four contact portions 25a to 25d, both, that is, the guide member 16 and the panel portions 5a and 5b are fixed to each other by welding.

  The slide bar 17 is longer than the horizontal distance from the inner vertical wire member portion 21b to the outermost vertical wire member 23a of each panel portion 5a, 5b, out of the pair of left and right vertical wire member portions 21a and 21b in the guide member 16. The guide rod 16 is formed of a round rod-shaped wire having a thickness and is horizontally inserted through a pair of left and right slide bar insertion portions 22a and 22b in the guide member 16. The operation lever 18 is formed by bending a round bar-like wire rod into a front corner U shape and bending a pair of left and right vertical wire portions 18a and 18b into a dogleg shape in a side view, and the vertical wire portion 18a. , 18b is welded to the inner side of the slide bar 16 (the side where each panel portion 5a, 5b is located) with the middle bent portion of each of the vertical wire portions 18a, 18b facing away from the panel portions 5a, 5b. It is stuck. Thus, the front ends of the vertical wire portions 18a and 18b of the operating lever 18 become the locking portions 26a and 26b, and both the locking portions 26a and 26b are arranged in the two vertical directions as shown in FIG. 4A. When adjacent to the outside of the wire rods 23b and 23c (the side with the vertical wire rod portion 21a), the slide bar 17 is in the advanced position with respect to the guide member 16, and both the locking portions 26a and 26b are arranged as shown in FIG. The slide bar 17 is configured to be in a retracted position with respect to the guide member 16 when adjacent to the inside of the two vertical wire members 23b and 23c (the side where the vertical wire member portion 21b is present).

  The to-be-latched member 19 is formed by bending a round bar-like wire rod into a lateral U shape and forming a lateral through hole 19a at the tip. The left and right side panels 2 and 3 to which the locked member 19 is attached are arranged in parallel with the outer vertical wire members 27 arranged in parallel at appropriate intervals in the front-rear direction and in the vertical direction at appropriate intervals, similarly to the open / close panel 5. The inner horizontal wire 28 thus formed is welded to each other at the intersection of the two, and has a mesh structure. In the illustrated embodiment, the uppermost horizontal wire 28 is reinforced by fixing two vertical wires 27 in parallel so as to sandwich the vertical wire 27 from both inside and outside. Further, when the pallets are stacked, the upper pallet legs 8 are fitted and placed on the side panels 2 and 3, but at the place where the upper pallet legs 8 are supported, as shown in the figure. Two vertical wire rods 27 are fixed in parallel so as to sandwich the horizontal wire rod 28 from both the inside and outside, thereby increasing the vertical buckling strength of the panel.

  Thus, the to-be-latched member 19 has a height corresponding to the slide bar 17 of each locking means 14 so that the lateral through-hole portion 19a protrudes from the front side of the side panels 2 and 3. It is fixed to the front side of the panels 2 and 3. That is, the pair of upper and lower horizontal wire members 19b and 19c of the locked member 19 are arranged between the upper and lower two horizontal wire members 28 of the side panels 2 and 3, and the front row vertical wire member 27a and the inner second vertical wire member 27b. It is fixed by welding. Since the second vertical wire rod 27b has two inner and outer wires arranged in parallel in order to increase the buckling strength as described above, the pair of upper and lower horizontal wire rod portions 19b and 19c of the locked member 19 are arranged. The end portions are welded in a state of being sandwiched between the two vertical bars 27b arranged in parallel.

  According to the above configuration, as shown in FIGS. 7 and 8, the open / close panel 5 (upper and lower panel portions 5a and 5b) is closed and raised while the slide bar 17 is moved to the retracted position, and the left and right side panels 2 are moved. , 3, each locked member 19 protruding from the front side of the open / close panel 5 side between the outermost vertical wire member 23 a and the outer vertical wire member 21 a of the guide member 16, as indicated by phantom lines in FIG. 8. The slit part 29 is penetrated. In this way, the front sides of the left and right side panels 2 and 3 are adjacent to the inside of the left and right sides of the open / close panel 5 (upper and lower panel portions 5a and 5b), and the slide bar 17 is moved from the retracted position to the advanced position in this state. Move.

  That is, as shown in FIGS. 5 and 6, the control lever 18 that is normally suspended from the slide bar 17 by gravity is lifted up as shown by the phantom line in FIG. 5. Then, the slide bar 17 and the slide bar 17 are rotated upward. As a result, the engaging portions 26a, 26b, which are the front ends of the vertical wire portions 18a, 18b of the operation lever 18, are separated from the vertical wire members 23b, 23c on the open / close panel 5 side in a side view. The slide bar 17 is laterally moved to the position where the locked member 19 is advanced by the lever 18, and the tip of the slide bar 17 is inserted into the lateral through hole 19a of the locked member 19 as shown in FIG. Let When the slide bar 17 reaches the advanced position, the outer vertical wire portion 18a of the operation lever 18 is adjacent to the outer vertical wire portion 21a of the guide member 16, and further movement of the slide bar 17 is restricted. In this state, the operation lever 18 is rotated integrally with the slide bar 17 and turned downward. As a result, the engaging portions 26a and 26b, which are the front ends of the vertical wire portions 18a and 18b of the operation lever 18, are located outside the vertical wire portions 23b and 23c on the open / close panel 5 side (the vertical wire portion 21a outside the guide member 16 exists). Therefore, the slide bar 17 is locked at the advanced position via the operation lever 18 in a posture that hangs down from the slide bar 17.

  By the above operation, each locking means 14 has locked the front side of the left and right side panels 2 and 3 and the left and right sides of the open / close panel 5 with the slide bar 17 and the locked member 19. In the stop state, the opening / closing panel 5 (upper and lower panel portions 5a, 5b) is moved forward, because the slide bar 17 on the opening / closing panel 5 side is inserted into the lateral through hole portion 19a of the locked member 19. Is blocked by. Also, at this time, as shown in FIGS. 3 and 4, the end of the slide bar 17 is positioned so as to overlap the outermost vertical wire 23a of the open / close panel 5, so that the open / close panel 5 is strongly pulled in the forward opening direction. Even if this is done, there is no possibility that the tip of the slide bar 17 will be deformed and come out of the lateral through hole 19a of the locked member 19 on the side panels 2 and 3 side. In this state, the lateral swing of the front side of the left and right side panels 2 and 3 is caused by the lateral width of the slit portion 29 on the open / close panel 5 side, that is, the vertical wire portion 21a outside the guide member 16 and the open / close state. This is possible only within a slight range of the gap between the panel 5 and the outermost vertical wire 23a, and the front sides of the left and right side panels 2 and 3 can be positioned reliably.

  When the open / close panel 5 is opened, as indicated by a virtual line in FIG. 5, the operating lever 18 is lifted upward and rotated upward integrally with the slide bar 17, so that the vertical wire portion 18 a of the operating lever 18 is rotated. , 18b, the locking portions 26a, 26b, which are the front end portions, are separated from the vertical wire members 23b, 23c on the open / close panel 5 side in a side view, and the locking of the slide bar 17 is released. In this state, the slide lever 17 is moved laterally to the retracted position in the direction away from the locked member 19 by the operating lever 18, and the tip end portion of the slide bar 17 is detached from the lateral through hole portion 19 a of the locked member 19. Thereafter, when the open / close panel 5 is moved forward, the locked members 19 on the left and right side panels 2 and 3 side are relatively disengaged rearward from the slit portion 29 on the open / close panel 5 side. When the slide bar 17 is moved sideways to the retracted position, as shown in FIG. 8, the vertical wire portion 18 b inside the operation lever 18 is adjacent to the vertical wire portion 21 b inside the guide member 16 and slides beyond that. Since the movement of the bar 17 is restricted, the operation lever 18 is rotated integrally with the slide bar 17 in such a state and is rotated downward. As a result, the engaging portions 26a and 26b, which are the front ends of the vertical wire portions 18a and 18b of the operating lever 18, are located inside the vertical wire portions 23b and 23c on the open / close panel 5 side (the vertical wire portion 21b inside the guide member 16 is present). Therefore, the slide bar 17 is locked at the retracted position via the operation lever 18 in a posture that hangs down from the slide bar 17.

  Although the locking means 14 is used as described above, according to the present invention, the outer vertical wire portion 21a of the guide member 16 is connected to the outer vertical wire portion 21a and the outermost vertical wire portion 23a of the open / close panel 5. The horizontal width of the slit portion 29 is inclined so as to increase toward the upper end portion side where the slide bar insertion portion 22a of the outer vertical wire portion 21a is located. Therefore, as shown in FIGS. 7 and 8, when the slide bar 17 is positioned at the retracted position, the tip of the slide bar 17 is at the upper end of the outer vertical wire portion 21a of the guide member 16 (the slide bar insertion portion). The space between the tip of the slide bar 17 and the outermost vertical wire 23a of the open / close panel 5 is a portion where the lateral width of the slit portion 29 is the narrowest (outer vertical length). The distance between the lower end of the wire portion 21a and the outermost vertical wire 23a of the open / close panel 5) is almost the same. On the other hand, the locked member 19 on the side panel 2, 3 side has a slightly shorter vertical height at the pair of upper and lower horizontal wire portions 19 b, 19 c inserted into the slit portion 29 than the vertical height of the slit portion 29. Therefore, when the locked member 19 is inserted into the slit portion 29, the locked member 19 has an inner side near the lower end where the lateral width of the slit portion 29 is narrowed, that is, The inclined guide member 16 is in sliding contact with the vicinity of the lower end portion of the outer vertical wire portion 21 a and is not caught by the tip of the slide bar 17.

  Even if both are caught, the depth of the catch is slight, and since the locked member 19 is formed by bending a round bar-like wire, the locked member 19 is in sliding contact with the tip of the slide bar 17. However, it passes smoothly while detouring slightly, and the locked member 19 is reliably inserted into the slit portion 29. Conversely, when the open / close panel 5 is opened with the slide bar 17 moved to the retracted position and disengaged from the locked member 19, it slightly protrudes from the outer vertical wire portion 21 a of the guide member 16. The locked member 19 that escapes from the slit portion 29 is caught on the tip of the slide bar 17, and the smooth opening of the open / close panel 5 is not hindered.

  In addition, as shown in FIG. 4, in a state where the locked member 19 is inserted into the slit portion 29 and locked by the slide bar 17, the locked member 19 has a slit portion 29 in the lateral direction. Is positioned between the inner side near the lower end where the lateral width of the guide member 16 is narrowed, that is, the portion near the lower end of the outer vertical wire portion 21a of the inclined guide member 16 and the outermost vertical wire 23a of the open / close panel 5, The play in the lateral direction of the locked member 19 is slightly limited. Therefore, as shown in FIG. 3, only the upper panel portion 5 b of the open / close panel 5 is opened, and only the lower panel portion 5 a is locked by the locking means 14 with respect to the left and right side panels 2 and 3. In this case, the left and right side panels 2 and 3 are hardly tilted in the horizontal direction, and the standing state of the left and right side panels 2 and 3 is stably maintained.

  Furthermore, in the said embodiment, although the guide member 16 is comprised by the left-right symmetric form and the inclination of the inner side vertical wire part 21b does not make a meaning, the guide member 16 is comprised by the left-right symmetric form in this way. In some cases, the same guide member 16 can be commonly used for the guide members 16 of the locking means 14 attached to the left and right sides of the open / close panel 5 (upper and lower panel portions 5a and 5b).

It is a perspective view which shows the whole cargo handling pallet which can be folded. It is a schematic longitudinal side view of a pallet same as the above. It is a vertical side view which shows the opening-and-closing panel part of a pallet same as the above. Fig. A is a front view of the main part showing the locking means in the locking operation state, and Fig. B is a cross-sectional plan view of the main part. It is a vertical side view of FIG. 4A. It is a vertical side view of the principal part in the state in which the open / close panel is open with respect to the side panel. FIG. 7 is a transverse plan view in the state of FIG. 6. It is a front view in the state of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Load support stand 2, 3 Side panel 4 Back panel 5 Opening / closing panel 5a Lower panel part 5b Upper panel part 14 Locking means 16 Guide member 17 Slide bar 18 Operation levers 18a and 18b Vertical lever part 18c of operation lever Horizontal wire portion 19 Locked member 19a Lateral through-hole portion 20 of locked member Horizontal wire portion 21a, 21b of guide member Vertical wire portion 22a, 22b of guide member Slide bar insertion portion 23, 23a-23c of guide member Vertical wire rods 24, 24a Horizontal wire rods 25a to 25d of the open / close panel Contact portions (welded portions) between the guide member and the open / close panel wire rod
26a, 26b Locking portion 27, 27a, 27b of operation lever Vertical wire rod 28 of side panel Horizontal wire rod 29 of side panel Slit portion

Claims (3)

  A mesh-structured open / close panel that opens and closes between the front sides of the left and right side panels is attached to the load support base so that it can be opened and closed freely, and locking means is provided for locking the open / close panel to the left and right side panels in the closed position. A cargo handling pallet with an open / close panel, wherein the locking means is supported laterally and laterally outside the vertical wire of the open / close panel by a guide member fixed to the outside of the open / close panel, and the axial slide and axial center Between the slide bar that can rotate around, the operation lever that is attached to this slide bar and can move up and down integrally with the slide bar, and the vertical wire of the open / close panel when the open / close panel reaches the closed position A locking member that protrudes from the front side of both the left and right side panels so as to penetrate is provided. By engaging the operating lever that is tilted downward with the vertical wire rod of the open / close panel In the cargo handling pallet with an open / close panel configured to be able to position the slide bar at an advanced position inserted into a laterally through hole portion of the locked member and a retracted position detached from the laterally through hole portion, the guide The member is formed by bending the wire into a front shape portal and the slide bar insertion part is formed by bending the wire on the upper end side of the left and right vertical wire members. The outer vertical wire portion on the side close to the side of the open / close panel is arranged between the outermost vertical wire member of the open / close panel and the second vertical wire inside thereof, and the outer vertical wire portion and the outermost vertical wire of the open / close panel are arranged. A cargo handling pallet with an opening / closing panel, wherein a slit portion through which the locked member passes is formed between the wire rod and the outer vertical wire portion is inclined so that the lateral width of the slit portion is widened upward.   The horizontal horizontal wire portion of the guide member is in contact with the two inner and second vertical wire members with respect to the outermost vertical wire member of the open / close panel, and the lower end portions of the left and right vertical wire portions are 2. The opening and closing according to claim 1, wherein the opening and closing panel abuts on the transverse wire located immediately below the transverse wire, and the guide member and the opening and closing panel wire are in contact with each other at four contact portions. Pallet for cargo handling with panels.   The pallet for cargo handling with an opening / closing panel according to claim 1 or 2, wherein the guide member has an inner vertical wire portion inclined in a symmetrical manner with respect to the outer vertical wire portion.

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