JP3185630U - Bag support frame - Google Patents

Abstract

A bag support frame capable of stably locking and supporting an opening end side of a bag regardless of a bent state of a link in a connector.
SOLUTION: At least three movable frames 3A and 3B formed by connecting the middle portions of a pair of links 7 and 8 in an X shape so as to be rotatable are provided, and these movable frames are sequentially adjacent to each other in an annular shape in plan view. The upper and lower ends of the links 7 and 8 in each adjacent pair of movable frames are connected to each other by the connecting members 4 and 6 so as to be capable of bending operation, and are connected to at least one of the links 7 and 8 above the connecting members. A protruding locking portion 12 for locking the bag is provided.
[Selection] Figure 1

Description

  The present invention relates to a bag support frame that supports an opening end side of a bag.

  It comprises at least three movable frames formed by connecting the middle portions of a pair of links in an X-shape so as to be rotatable, and the movable frames are arranged adjacent to each other in an annular shape in plan view. By connecting the upper and lower ends of the links in the link so that they can be bent by a connecting tool, and by opening and closing the plurality of movable frames, each set of links whose mid-sections are connected in an X shape is opened and closed. A bag support frame having a structure that can be switched between an unfolded state that forms a box frame and a folded state that is converged as a whole, and a bag support frame that holds and supports the open end side of the bag at the upper end side of the movable frame in the unfolded state. It is publicly known (see, for example, Patent Document 1).

JP-A-9-110102

  Since the bag support frame of the above document can be switched between an expanded state and a folded state, it is highly convenient, while the opening end of the bag is connected to a connector located on the upper end side of the movable frame in the expanded state. Although it is necessary to lock the bag, it may be difficult to lock the bag depending on the bending state of the link at the connector.

  The present invention relates to a bag support frame that supports the opening end side of a bag, and can stably lock and support the opening end side of the bag regardless of the state of the link at the connector. The problem is to provide a frame.

  In order to solve the above-mentioned problem, first, at least three movable frames 3A and 3B formed by connecting the middle portions of the pair of links 7 and 8 in an X shape so as to be rotatable are provided, and the movable frames 3A and 3B are provided. Are arranged adjacent to each other in an annular shape in plan view, and the upper and lower ends of the links 7 and 8 in each of the adjacent sets of movable frames 3A and 3B are connected to each other by a connecting tool 4 and 6 so that they can be bent. The movable frames 3A and 3B are opened / closed and rotated between each pair of links 7 and 8 whose mid-sections are connected in an X shape, so that the whole is formed into a box frame shape and the whole is folded. A bag support frame having a structure that can be switched to a tatami state, and locking and supporting the opening end 2a side of the bag 2 on the upper end side of the movable frames 3A and 3B in the unfolded state. Few links 7 and 8 connected by 6 While the Kutomo is characterized in that a locking portion 12 for the bag 2 locking projecting upwardly from the connector 4, 6.

  Second, the locking portion 12 is formed integrally with the link 7.

  Third, the locking portion 12 is bent with respect to the other portion of the link 7 so that the locking portion 12 can be directed right above in the unfolded state.

  Fourth, the holding portion 12a is formed at least at the upper end portion of the locking portion 12.

  Fifth, the coupling tools 4 and 6 pivotally support one link 7 to be coupled around the first pivot shafts 13A and 16A, and the other link 8 by the first pivot. It is characterized by having a structure in which it is rotatably supported around the axes of the second rotation shafts 13B and 16B different from the shafts 13A and 16A.

  Sixth, the connecting tool 6 that connects the lower ends of the links 7 and 8 is a horizontal plate-like plate portion that is along the installation surface G on which the movable frames 3A and 3B are installed and is grounded to the installation surface G. 18.

  Seventh, the locking portions 12 are provided on both of the pair of links 7 and 7 constituting the movable frame 3A, and the locking portions 12 and 12 of the pair of links 7 and 7 are in contact with each other in the folded state. It is characterized by maintaining a folded state.

  Since at least one of the links that are adjacently connected to each other by the connecting tool is provided with a locking part for locking the bag that protrudes upward from the connecting tool, the link is stable regardless of the bent state of the link at the connecting tool. The opening end side of the bag can be locked and supported.

  According to what the said latching | locking part is integrally molded by a link, since it is not necessary to prepare a latching | locking part with another member, a number of parts reduces and a structure is simplified.

  According to the locking part bent with respect to the other part of the link so that the locking part can be directed to the upper side in the unfolded state, the locking part is directed to the upper side. It becomes possible to more easily lock the opening end side of the bag.

  In the case where the gripping portion is formed at least at the upper end portion of the locking portion, the locking portion also serves as the gripping portion, so the number of parts is reduced and the configuration is simplified.

  The connector pivotally supports one link to be connected to be rotatable around the axis of the first rotation axis, and the other link is around the axis of the second rotation axis different from the first rotation axis. According to this structure, the link can be stably operated in a desired state by the two rotation shafts.

  The connector for connecting the lower ends of the links has a horizontal plate-like plate portion that is along the installation surface on which the movable frame is installed and is grounded to the installation surface. It becomes possible to make it stand on its own.

  According to the structure in which the locking portions are provided on both of the pair of links constituting the movable frame, and the locking portions of the pair of links come into contact with each other in the folded state to hold the folded state. Since it is also used as a member that is stably held in the folded state, the number of parts is reduced and the configuration is simplified.

It is a perspective view of the bag support frame to which the present invention is applied. (A) is a perspective view which shows the structure of an upper coupling tool, (B) is a perspective view which shows the structure of a lower coupling tool. It is a perspective view of the bag support frame in a folded state. It is a principal part perspective view of the bag support frame of the state which latched the bag. (A), (B) is the upper side perspective view and lower side perspective view which show the other Example of an upper coupling tool. It is a perspective view which shows the other Example of a lower connector.

  FIG. 1 is a perspective view of a bag support frame to which the present invention is applied, FIG. 2 (A) is a perspective view showing a configuration of an upper coupling tool, and (B) shows a configuration of a lower coupling tool. FIG. 3 is a perspective view of the bag support frame in a folded state, and FIG. 4 is a perspective view of a main part of the bag support frame in a state where the bag is locked. A bag support frame 1 which is a kind of folding frame shown in these drawings locks and locks an open end 2a side of a bag 2 such as a trash bag which is deformed flexibly in an open state.

  The bag support frame 1 includes three or more (four in the illustrated example) movable frames 3A and 3B and a plurality of connectors 4 and 6 that couple the movable frames 3A and 3B.

  The plurality of movable frames 3 </ b> A and 3 </ b> B are annularly arranged in plan view in a state where they are sequentially adjacent to each other. Each movable frame 3A, 3B is constituted by a pair of links 7, 7, 8, 8 and each link 7, 7, 8, 8 is constituted by a bowl-shaped member such as a metal round pipe. The middle portions of the pair of links 7, 7, 8, 8 are X-shaped so as to be rotatable with respect to each other by connecting shafts 9, 11 inserted perpendicularly to the two links 7, 7, 8, 8. It is linked to.

  Each movable frame 3A, 3B becomes an X link by the above configuration. The movable frames 3A, 3B rotate the pair of links 7, 7, 8, 8 by turning the upper and lower parts closer to each other and closing them (in the closing direction). , 8 and 8 are switched to a contracted posture in which the upper and lower links are reduced in a straight line, while the pair of links 7, 7, 8 and 8 are opened to the side (opening direction) where the upper parts and the lower parts are opened apart from each other. By rotating, the two links 7, 7, 8, and 8 are switched to the extended posture in which they extend in the X shape in the horizontal direction.

  Specifically, four movable frames 3A and 3B are provided, and there are two sets of movable frames 3A and 3B facing each other.

  Specifically, in the pair of movable frames 3A and 3A that face each other, the upper end portion of each link 7 is bent with respect to other portions (specifically, bent) to form the locking portion 12. It becomes a locking side movable frame. Another pair of movable frames 3B, 3B facing each other is a non-locking side movable frame in which each link 8 is formed in a straight line throughout.

  A pair of links (locking side links) 7, 7 constituting the locking side movable frame 3 </ b> A are respectively connected to the connecting shaft (locking side connecting shaft) at an intermediate portion of the link body 7 a which is a portion other than the locking portion 12. 9 is arranged, and the two locking side links 7 and 7 are formed in a symmetrical shape with the locking side connecting shaft 9 as a boundary. Further, the two engaging-side movable frames 3A and 3A are formed in the same shape.

  Incidentally, the locking portion 12 is bent and formed on the side where the locking portion 12 can be directed directly upward even when the locking main body 7a is inclined by switching the locking side movable frame 3A to the extended posture. Yes. A synthetic resin sleeve-like grip (gripping part) 12 a is attached to the protruding end of the locking part 12.

  Each of the pair of links (non-locking side links) 8 and 8 constituting the non-locking side movable frame 3B has the same overall length as the link main body 7a of the locking side link 7, and the intermediate portion is described above. A connecting shaft (non-locking side connecting shaft) 11 is provided. For this reason, the two non-locking side links 8 and 8 are formed in the same shape as each other, and the total length thereof is set shorter than that of the locking side link 7.

  The connecting tools 4 and 6 rotatably connect the upper and lower ends of the links 7 and 8 in the adjacent pairs of movable frames 3A and 3B. Specifically, since one of the adjacent movable frames 3A and 3B becomes the locking-side movable frame 3A and the other becomes the non-locking-side movable frame 3B, the two links 7 connected by the connecting tools 4 and 6 are used. , 8 becomes the locking side link 7 and the other becomes the non-locking side link 8.

  As the connectors 4 and 6, two types of upper connector 4 (see FIG. 2A) and lower connector 6 (see FIG. 2B) are prepared.

  The upper connector 4 connects the adjacent sets of locking-side links 7 and non-locking-side links 8 at their upper ends. Specifically, the upper end side of the link main body 7a in the locking side link 7 and the upper end side of the non-locking side link 8 are rotatably connected by the upper connector 4, and in this connected state, The stop 12 is in a state of protruding upward from the upper connector 4.

  The upper connector 4 includes a locking-side rotation shaft (first rotation) for pivotally supporting a locking-side link 7 that is one of the two links 7 and 8 to be connected so as to be rotatable about its own axis. (Moving shaft) 13A and the non-locking side link 8 which is the other of the two links 7 and 8 are pivotally supported so as to be rotatable around its own axis (second rotating shaft). 13B and a connecting frame 14 to which the locking side rotation shaft 13A and the non-locking side rotation shaft 13B are attached and supported are provided.

  The connecting frame 14 is an angle-shaped member formed by bending a middle portion of a rectangular plate-like metal plate, and the L-shaped piece of the connecting frame 14 is in the thickness direction in the axial direction of the locking-side rotating shaft 13A. And the rotation shaft 13A is inserted and supported into the locking side support portion 14a, and the other L-shaped piece is oriented in the thickness direction in the axial direction of the non-locking side rotation shaft 13B and It becomes the non-locking side support part 14b by which this rotation shaft 13B is inserted and supported.

  The locking side rotation shaft 13A is mounted and supported by the locking side support portion 14a of the connection frame 14 in a posture parallel to the locking side connection shaft 9, and is inserted through the upper end portion of the locking side link 7. On the other hand, the non-locking side rotation shaft 13B is mounted and supported by the non-locking side support portion 14b of the connecting frame 14 in a posture parallel to the non-locking side connecting shaft 11, and the non-locking side link. 8 is inserted into the upper end portion.

  The lower connector 6 connects the adjacent pairs of the locking-side link 7 and the non-locking-side link 8 to each other so that the lower ends thereof are rotatable with each other.

  The lower connector 6 includes a locking-side rotation shaft (first rotation) for pivotally supporting the locking-side link 7, which is one of the two links 7 and 8 to be connected, so as to be rotatable about its own axis. (Moving shaft) 16A and the non-locking side link 8 which is the other of the two links 7 and 8 are pivotally supported around the axis of the non-locking side rotating shaft (second rotating shaft). 16B, the connecting frame 17 on which the locking side rotating shaft 16A and the non-locking side rotating shaft 16B are attached and supported, and the connecting frame 17 is welded to the upper surface side and the installation surface G of the book bag support frame 1 And a square-shaped ground plate (plate portion) 18 placed on the surface.

  The connection frame 17 is an angle-shaped member formed by bending a middle portion of a rectangular plate-like metal plate, and the L-shaped piece of the connection frame 17 is in the thickness direction in the axial direction of the locking-side rotation shaft 16A. And the rotation shaft 16A is inserted into and supported by the locking side support portion 17a, and the other L-shaped piece is oriented in the axial direction of the non-locking side rotation shaft 16B and It becomes the non-locking side support part 17b by which this rotation shaft 16B is inserted and supported.

  The locking side rotation shaft 17A is mounted and supported by the locking side support portion 17a of the connection frame 17 in a posture parallel to the locking side connection shaft 9, and is inserted through the lower end portion of the locking side link 7. On the other hand, the non-locking side rotation shaft 17B is mounted and supported by the non-locking side support portion 17b of the connecting frame 17 in a posture parallel to the non-locking side connecting shaft 11, and the non-locking side link. 8 is inserted into the lower end portion.

  Since the ground plate 18 is fixed to the lower end side of the connection frame 17 having an L shape in plan view by welding or the like and is provided in each lower connection tool 6, when the bag support frame 1 is installed on the installation surface G The plurality of grounding plates 18 come into contact with the grounding surface G in a planar shape, and the bag support frame 1 is stably erected.

  The locking-side connecting shafts 9, 9 of the pair of opposing locking-side movable frames 3A, 3A are arranged on the same axis or substantially on the same axis, and face the non-locking-side movable frame 3B. 3B, the non-locking side connecting shafts 11 and 11 are also arranged on the same axis or substantially on the same axis, and the locking side connecting shaft 9 and the non-locking side connecting shaft 11 are oriented in directions perpendicular to each other. In the illustrated example, the extension lines are orthogonal to each other.

  As described above, the locking-side rotation shafts 13A and 16A in the upper connecting tool 4 and the lower connecting tool 6 are directed in a direction parallel or substantially parallel to the locking-side connecting shaft 9, and similarly, the upper connecting tool 4 and the lower connecting tool 9 The non-locking side rotation shafts 13 </ b> B and 16 </ b> B in the connector 6 are oriented in a direction parallel or substantially parallel to the non-locking side connection shaft 11.

  For this reason, when each movable frame 3A, 3B is switched from the reduced posture to the extended posture, or from the extended posture to the reduced posture, the middle portions of the pair of links 7, 7, 8, 8 connected in an X shape are connected to the connecting shaft. 9 and 11 and the upper and lower ends of each locking side link 7 rotate about the locking side rotation shafts 13A and 16A with respect to the upper and lower connecting members 4 and 6, respectively. The upper and lower end portions of each non-locking side link 8 rotate about the axes of the non-locking side rotation shafts 13B and 16B with respect to the upper and lower coupling members 4 and 6, respectively.

  Furthermore, each rotating shaft 13A, 13B, 16A, 16B is comprised by the volt | bolt and a nut in the example to show in figure, and the axial center of a volt | bolt becomes an axial center of rotating shaft 13A, 13B, 16A, 16B.

  And this bag support frame 1 collects all the links 7 and 8 in the center side by planar view by switching each movable frame 3A, 3B to a contraction posture by rotation to the closing direction of each link 7,8 ( In a plan view, the movable frames 3A and 3B are switched to the extended posture by turning the links 7 and 8 in the opening direction while the folded state (converged state) is directed in the vertical direction. The plurality of movable frames 3A and 3B arranged in an annular shape in the form of a peripheral wall that surrounds the central space from the four sides is in a developed state of a box frame shape.

  By the way, by gripping the grip 12a formed at the upper end of each locking portion 12, it is possible to easily and quickly switch from the folded state to the unfolded state and from the unfolded state to the folded state. .

  In the unfolded state shown in FIG. 1, the locking portion 12 of the bag support frame 1 is directed upward. The plurality of locking portions 12 are positioned on the corner sides (specifically, the four corners) of the unfolded bag support frame 1 in plan view. As shown in FIG. 4, the bag 2 that can be changed flexibly is positioned in the frame of the unfolded bag support frame 1, and the opening end 2 a is folded outward over the entire circumference, so that each of the locking portions 12. Is locked to the upper end side of each movable frame 3A, 3B with the open end 2a of the bag 2 positioned on the upper end side. At this time, the bag 2 is in an open state on the upper side, It becomes easy to put trash etc. inside.

  In the folded state shown in FIG. 3, the bag support frame 1 can be made self-supporting by the four grounding plates 18, and the locking portion of the locking side link 7 of each locking side movable frame 3 </ b> A. The 12 are in contact with or close to each other while being inclined toward each other, whereby further rotation in the closing direction is restricted, and the bag support frame 1 is stably held in the folded state. . Incidentally, the engaging portions 12 and 12 to be in contact with each other are in contact with or close to each other in a crossed state, and the links 7 and 8 connected by the connecting tools 4 and 6 are bent to the maximum.

  According to the bag support frame 1 configured as described above, the opening end 2a side of the bag 2 can be stably locked and supported by the locking portion 12 protruding upward from the upper connector 6. Furthermore, by grasping the grip 12a formed at the protruding side end of the locking portion 12, it is possible to quickly and smoothly switch from the folded state to the unfolded state or from the unfolded state to the folded state. In addition, the bag support frame 1 can be stably held in the folded state by contact or proximity between the bent locking portions 12 and 12.

  The locking portion 12 is integrally formed with the link main body 7a of the locking side link 7, but the locking portion 12 is formed separately from the link main body 7a and protrudes upward from the upper connector 6. In this way, it may be fixedly attached to the link body 7a. In addition to this, not only the opening end 2a of the bag 2 is folded and locked, but the bag 2 may be locked to the locking portion 12 using a string, an adhesive, or the like.

  Further, as described above, the axial direction of the non-locking side connecting shaft 11 is set in a direction perpendicular to the axial direction of the locking side connecting shaft 9, and the locking side connecting shaft 9 and the locking side rotating shaft are set. 13A and 16A are parallel to each other, and the non-locking side connecting shaft 11 and the non-locking side rotating shafts 13B and 16B are parallel to each other.

  Next, based on FIG.5 and FIG.6, a different point from the above-mentioned example is demonstrated about the other Example of the coupling tools 4 and 6. FIG.

  5A and 5B are an upper perspective view and a lower perspective view showing another embodiment of the upper connector. The upper connector 4 shown in the figure is integrally formed of synthetic resin. The upper connector 4 integrally includes a flat plate-like main body portion 19 and a cross-shaped support portion 21 that protrudes downward from the main body portion 19.

  One of the cross shapes of the support portion 21 is a locking side support portion 21a in which the thickness direction is directed to the axial direction of the locking side rotation shaft 13A and the locking side rotation shaft 13A is inserted and supported. The other of the shapes is a non-locking side support portion 21b in which the thickness direction is directed to the axial direction of the non-locking side rotation shaft 13B and the non-locking side rotation shaft 13B is inserted and supported.

  The main body portion 19 is provided with a guide groove portion 19a formed in a notch shape along the rotation range of the locking side link 7, and a middle portion of the locking side link 7 is inserted into the guide groove portion 19a. The In addition, a regulating surface 19b that regulates the maximum rotational position of the locking side link 7 in the opening direction is formed in a concave curved surface in the guide groove portion 19a, and the locking side link 7 is formed on the regulating surface 19b. When the peripheral surface comes into contact with the surface, it is prohibited that the locking side link 7 is further rotated in the opening direction.

  FIG. 6 is a perspective view showing another embodiment of the lower connector. The lower connector 6 shown in the figure is integrally formed of a synthetic resin into a horizontal plate shape having a certain thickness in the vertical direction. In this lower connector 6, two recesses 22 and 23 for accommodating the lower end portion of the locking side link 7 and the lower end portion of the non-locking side link 8 respectively open two surfaces in four directions. It is formed in a state.

  One of the two recesses 22 and 23 has a part of the peripheral surface perpendicular to the axial direction of the locking side rotation shaft 16A and the locking side support surface 22a on which the locking side rotation shaft 16A is inserted and supported. The other is a non-engagement in which a part of the peripheral surface is perpendicular to the axial direction of the non-locking side rotation shaft 16B and the locking side rotation shaft 16B is inserted and supported. It becomes the latching side recessed part 23 which has the stop side support surface 23a.

  By using the above-described upper connector 4 and lower connector 6 that are integrally formed of synthetic resin, manufacturing becomes easier and costs are reduced.

1 Bag support frame (folding frame)
2 bags (trash bags)
2a Open end 3A Locking side movable frame (movable frame)
3B Non-locking side movable frame (movable frame)
4 Upper connector (connector)
6 Lower connector (connector)
7 Locking side link (link)
8 Non-locking side link (link)
12 Locking part 12a Grasping part 13A Locking side rotating shaft (first rotating shaft)
13B Non-locking side rotation axis (second rotation axis)
16A Locking side rotation shaft (first rotation shaft)
16B Non-locking side rotation axis (second rotation axis)
18 Grounding plate (plate part)
G Installation surface

Claims (7)

  At least three movable frames (3A, 3B) formed by connecting the middle portions of the pair of links (7, 8) in an X shape so as to be rotatable are provided, and the movable frames (3A, 3B) are sequentially adjacent to each other. The upper and lower ends of the links (7, 8) in each adjacent pair of movable frames (3A, 3B) are connected by a connector (4, 6) so that they can be bent. A plurality of movable frames (3A, 3B) are opened and closed by rotating each pair of links (7, 8) whose mid-sections are connected in an X shape, and the entire state is a box frame shape, and the whole The bag support frame has a structure that can be switched to the folded state in which the bag is converged, and supports the open end (2a) side of the bag (2) by being locked to the upper end side of the movable frame (3A, 3B) in the unfolded state. And adjacently connected by a connector (4, 6) Link (7,8) at least one of the bag support frame engaging portion (12) is provided for the bag (2) locking projecting upwardly from said coupling (4,6).   The bag support frame according to claim 1, wherein the locking portion (12) is integrally formed with the link (7).   The said latching | locking part (12) was bent and formed with respect to the other part of the link (7) so that the said latching | locking part (12) could be turned right above in the said unfolded state. Bag support frame.   The bag support frame according to any one of claims 1 to 3, wherein a grip portion (12a) is formed at least at an upper end portion of the locking portion (12).   The connector (4, 6) supports one link (7) to be connected so as to be rotatable about the axis of the first rotation shaft (13A, 16A), and the other link (8), The bag support frame according to any one of claims 1 to 4, wherein the bag support frame is rotatably supported around an axis of a second rotation shaft (13B, 16B) different from the first rotation shaft (13A, 16A). .   The connector (6) for connecting the lower ends of the links (7, 8) is grounded along the installation surface (G) on which the movable frames (3A, 3B) are installed and to the installation surface (G). The bag support frame according to any one of claims 1 to 5, further comprising a horizontal flat plate portion (18).   Locking portions (12) are provided on both of the pair of links (7, 7) constituting the movable frame (3A), and the locking portions (12, 12) of the pair of links (7, 7) when folded. The bag support frame according to any one of claims 1 to 6, wherein the bags are held in contact with each other to hold the folded state.

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