CN210417380U

CN210417380U - Folding tray

Info

Publication number: CN210417380U
Application number: CN201921516794.1U
Authority: CN
Inventors: 王安军
Original assignee: Rizhao Conghui Plastic Products Co Ltd
Current assignee: Rizhao Conghui Plastic Products Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-04-28
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a folding tray, which comprises a tray frame and a flexible bearing device; the tray frame comprises a central seat, four supporting arms arranged in an X shape are mounted on the central seat, at least two opposite supporting arms are rotating supporting arms which are transversely and rotatably mounted on the central seat, and an unfolding fixing device is arranged between each rotating supporting arm and the central seat; the supporting legs are fixedly arranged at the bottoms of the supporting arms, the end parts of the supporting arms are respectively provided with a tensioning head, the edge of the flexible bearing device is connected with a tensioning drawstring, and a tensioning adjusting device is arranged between at least one tensioning head and the corresponding supporting arm. The utility model discloses when not using, the flexible device detachable that bears is folding alone and is deposited, it is adjacent to rotate the rotatable draw close of bracket arm bracket one side, the volume of plate rail obviously reduces, conveniently stores and vehicle-mounted carries.

Description

Folding tray

Technical Field

The utility model relates to a tray especially relates to a foldable tray.

Background

The tray is used as a bearing device when the goods are organized into goods units in the processes of goods loading, unloading, transportation, storage and the like. When the pallet is used, the upper surface of the pallet is used as a bearing surface for tidying goods, and the lower pier leans against the ground and is provided with a fork hole which is convenient for a forklift to take and place. The tray is widely applied to the industries of logistics, freight transportation, warehouse management and the like because of the advantages of small dead weight, easy return to the air, easy tray loading, convenience in counting the number and the like. The existing tray is mostly of an integrated fixed structure, when the tray is not used, the tray can occupy a large storage space by stacking, is not beneficial to saving the storage space in places such as warehouses and the like, and is also not beneficial to being carried on vehicles in places such as freight transportation and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a foldable tray that volume when obviously reducing not using, convenient storage or vehicle-mounted carried is provided.

In order to solve the technical problem, the technical scheme of the utility model is that: the folding tray comprises a tray frame and a flexible bearing device arranged on the upper part of the tray frame; the tray frame comprises a central seat, four supporting arms arranged in an X shape are mounted on the central seat, at least two opposite supporting arms are rotating supporting arms which are transversely and rotatably mounted on the central seat, and an unfolding fixing device is arranged between each rotating supporting arm and the central seat; the supporting legs are fixedly arranged at the bottoms of the supporting arms, the end parts of the supporting arms are respectively provided with a tightening head, the edge of the flexible bearing device is connected with tightening pull belts which are arranged at the four tightening heads in a surrounding mode, and a tightening adjusting device is arranged between at least one tightening head and the corresponding supporting arm.

As preferred technical scheme, prop tight adjusting device including fixed setting prop tight overhead and slidable mounting in the slide bar is propped of bracket free end department, the fixed tight adjusting screw that props that is equipped with on the free end of bracket, prop tight overhead be equipped with prop the screw rod via hole that tight adjusting screw corresponds, prop and install on the adjusting screw that props tight and lean on in the top prop tight adjusting nut on the head.

According to a preferable technical scheme, the unfolding fixing device comprises an unfolding connecting hole formed in the center seat, an unfolding fixing hole corresponding to the unfolding connecting hole is formed in the rotating supporting arm, and an unfolding fixing pin is connected between the unfolding connecting hole and the unfolding fixing hole.

As a preferred technical scheme, folding connecting holes are respectively formed in the central seat corresponding to the rotating support arms, folding fixing holes corresponding to the folding connecting holes are formed in the rotating support arms, and folding fixing pins are connected between the folding connecting holes and the folding fixing holes.

Preferably, the unfolding fixing hole also serves as the folding fixing hole, and the unfolding fixing pin also serves as the folding fixing pin.

As a preferred technical scheme, the flexible bearing device comprises a bearing cloth arranged on the upper portion of the tray frame, at least two reinforcing cloth strips are sewn on the bearing cloth, and the edge of the bearing cloth is sewn and connected with the tightening pull belt.

As a preferable technical scheme, the two opposite support arms are the rotating support arms.

As a preferred technical scheme, the four support arms are the rotating support arms.

As the preferred technical scheme, the bottom of the central seat is also fixedly provided with supporting legs.

As an optimized technical scheme, the stretching pull belt is arranged in an open loop mode, and a hook device is arranged between the end parts of the opening of the stretching pull belt.

Due to the adoption of the technical scheme, the folding tray comprises a tray frame and a flexible bearing device arranged on the upper part of the tray frame; the tray frame comprises a central seat, four supporting arms arranged in an X shape are mounted on the central seat, at least two opposite supporting arms are rotating supporting arms which are transversely and rotatably mounted on the central seat, and an unfolding fixing device is arranged between each rotating supporting arm and the central seat; the supporting legs are fixedly arranged at the bottoms of the supporting arms, the end parts of the supporting arms are respectively provided with a tightening head, the edge of the flexible bearing device is connected with tightening pull belts which are arranged at the four tightening heads in a surrounding mode, and a tightening adjusting device is arranged between at least one tightening head and the corresponding supporting arm. The utility model discloses utilize to expand fixing device and fix the rotation trailing arm when using, the trailing arm that four X-arrangements were arranged can play the support to flexible bearing device, it will to prop tight adjusting device prop tight stretching strap taut, make flexible bearing device can be propped flat, improves bearing capacity. When not using, prop tight adjusting device will prop tight stretching strap lax, flexible load-bearing device detachable is folding alone and is deposited, convenient storage and vehicle-mounted carry, it is adjacent to rotate the trailing arm rotatable draw close trailing arm one side, the volume of plate rail obviously reduces, also conveniently stores and vehicle-mounted carries.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

fig. 1 is a schematic overall perspective view of a first embodiment of the present invention, in which a schematic partial cross-sectional view of a load-bearing cloth is shown;

FIG. 2 is a schematic view of the structure at I in FIG. 1;

fig. 3 is a schematic perspective view of a tray rack according to an embodiment of the present invention, which is shown in an expanded state;

fig. 4 is a schematic perspective view of a tray rack according to an embodiment of the present invention, which is shown in a folded state;

fig. 5 is a schematic top view of an enlarged structure of a tray rack according to an embodiment of the present invention, in which a position of the rotating bracket after being folded is indicated by a two-dot chain line;

FIG. 6 is an enlarged schematic view of the A-A structure of FIG. 5;

fig. 7 is a schematic perspective view of a second plate rack according to an embodiment of the present invention, which is shown in an expanded state;

fig. 8 is a schematic perspective view of a second plate rack according to an embodiment of the present invention, which is folded;

fig. 9 is a schematic view of an enlarged top view of the second plate rack according to the embodiment of the present invention, in which the position of the folded rotary bracket is shown by a two-dot chain line.

In the figure: 1-a flexible carrier; 11-a carrying cloth; 12-reinforcing cloth strips; 2-a plate frame; 21-a central seat; 22-a trailing arm; 23-rotating the bracket arm; 24-fixing the bracket arm; 25-spreading the connection hole; 251-unwinding a fixing pin; 26-folding attachment holes; 27-supporting feet; 3-tightening the head; 31-tightening the sliding rod; 32-tightening the adjusting screw; 33-screw via holes; 34-tightening the adjusting nut; 35-anti-drop nut; 4-tightening the drawstring; 41-hook device.

Detailed Description

The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

The first embodiment is as follows:

as shown collectively in fig. 1 to 6, a folding tray includes a tray frame 2 and a flexible carrier 1 disposed on an upper portion of the tray frame 2. In the embodiment, the tray frame 2 is used as a supporting framework, the flexible bearing device 1 is used for bearing articles, and the split structure is beneficial to reducing the volume when the embodiment is not used.

The tray frame 2 comprises a central seat 21, four supporting arms 22 arranged in an X shape are mounted on the central seat 21, and the four supporting arms 22 arranged in the X shape are matched with the central seat 21 to form a rectangular supporting framework; it is of course preferred that the ends of four of said brackets 22 are arranged rectangularly.

At least two opposite support arms 22 are rotating support arms 23 transversely rotatably mounted on the central seat 21, and an unfolding fixing device is arranged between the rotating support arms 23 and the central seat 21. After the rotating bracket arms 23 are unfolded, the four bracket arms 22 can form an X-shaped arrangement, and the unfolding fixing device can ensure the stability of the X-shaped supporting structure.

The unfolding fixing device comprises an unfolding connecting hole 25 formed in the center seat 21, an unfolding fixing hole corresponding to the unfolding connecting hole 25 is formed in the rotating supporting arm 23, and an unfolding fixing pin 251 is connected between the unfolding connecting hole 25 and the unfolding fixing hole. In this embodiment, the central seat 21 is an assembly and welding structure in which the upper plate and the lower plate are fixedly welded to each other by the rib plates therebetween, and the lower plate of the upper plate is provided with the unfolding connecting holes 25. The unfolding fixing pin 251 is matched with the rotating pin of the rotating bracket arm 23 to fix the rotating bracket arm 23 at two points, so that the stability of the unfolded rotating bracket arm 23 is ensured. The unfolding fixing pin 251 can be a conventional smooth pin, a stepped pin or a bolt, and the embodiment is illustrated by using a bolt.

The center seat 21 is provided with folding connecting holes 26 corresponding to the rotating support arms 23, the rotating support arms 23 are provided with folding fixing holes corresponding to the folding connecting holes 26, and folding fixing pins are connected between the folding connecting holes 26 and the folding fixing holes. Through the structure, the rotary bracket arm 23 can be folded after being closed, so that the stability after folding can be ensured.

No matter the rotation bracket arm 23 is unfolded or folded, at any time, only one of the unfolding fixing pin 251 and the folding fixing pin is in operation, the structure is simplified and the cost is reduced in this embodiment, the unfolding fixing hole also serves as the folding fixing hole, the unfolding fixing pin 251 also serves as the folding fixing pin, and of course, the unfolding connecting hole 25 and the folding connecting hole 26 are located on the same circumference with the rotation pin as the center.

Of course, the folding connection hole 26 may not be provided in this embodiment, and when the rotating bracket arm 23 is rotated and folded, the unfolding fixing pin 251 is inserted into the unfolding connection hole 25 again, so that the unfolding fixing pin 251 serves as a limit for preventing the rotating bracket arm 23 from unfolding, thereby achieving stable folding. The solution should also be within the scope of protection.

The bottom of the bracket 22 is fixedly provided with four supporting feet 27, and the four supporting feet 27 form a four-point standing position, so as to ensure the stability of the tray frame 2 in this embodiment when the tray frame is leaned on the ground. In this embodiment, the bottom of the central seat 21 is also fixedly provided with a supporting leg 27, and the supporting leg 27 can further improve the stability of the tray frame 2 when the tray frame is seated.

Each the tip of trailing arm 22 is equipped with respectively props tight head 3, the edge that flexible load-bearing device 1 is connected with around four prop tight stretching strap 4 of tight head 3 department, prop tight stretching strap 4 and can choose for use wide weaving rope etc. certainly prop tight stretching strap 4 and overlap four prop on the 3 lateral surfaces of tight head.

The flexible bearing device 1 of the embodiment includes a bearing cloth 11 disposed on the upper portion of the tray frame 2, the bearing cloth 11 may be woven cloth, canvas, or the like, at least two reinforcing cloth strips 12 are sewn on the bearing cloth 11, the reinforcing cloth strips 12 are sewn on the bearing cloth 11 as flexible reinforcing ribs, and the bearing cloth 11 can be further reinforced on the premise of not affecting the bearing articles. The reinforcing cloth strips 12 can be woven belts and the like, the reinforcing cloth strips 12 can be two and sewn in an X shape or a cross shape, of course, four reinforcing cloth strips can be adopted to form a meter shape, three reinforcing cloth strips can be adopted to form a star shape, and the like, and the four reinforcing cloth strips 12 form a meter shape to indicate in the embodiment. The edge of the carrying cloth 11 is connected with the tightening drawstring 4 by sewing. When the tensioning head 3 is used to tension the tensioning belt 4, the carrier cloth 11 can be tensioned, which increases its load-bearing capacity, so that the dropping or bulging of the goods from the space between the support arms 22 can be reduced.

At least one prop tight head 3 with correspond be equipped with between the trailing arm 22 and prop tight adjusting device, because prop tight stretching strap 4 and have certain elasticity, through prop tight adjusting device can with prop tight stretching strap 4 tensioning, further improve the bearing capacity of bearing cloth 11, certainly also can pass through prop tight adjusting device and make prop tight stretching strap 4 lax, conveniently will flexible load device 1 is followed take off on the plate rail 2.

Prop tight adjusting device including fixed the setting prop tight head 3 go up and slidable mounting in the slide bar 31 is propped to bracket 22 free end department, this embodiment bracket 22 is the square steel structure, prop tight slide bar 31 and adopt the cross section to compare the slightly little square steel structure of bracket 22, through with prop tight slide bar 31 stretch into extremely the hole of bracket 22 realizes prop tight slide bar 31's slidable mounting. In this embodiment, the tightening head 3 is a square steel which is vertically welded on the tightening slide rod 31. Fixed being equipped with on the free end of bracket 22 props tight adjusting screw 32, this embodiment prop tight adjusting screw 32's fixed mode of setting do the fixed screw seat that sets up of port department of bracket 22, this fixed setting can adopt welding, bolted connection etc. set up installation screw and installation on the screw seat prop tight adjusting screw 32, prop tight adjusting screw 32 and be close to this installation screw department installation fixation nut, through fixation nut with the realization of tightening each other of installation screw prop tight adjusting screw 32's fixed setting. Prop tight first 3 on be equipped with prop tight adjusting screw 32 the screw rod via hole 33 that corresponds, prop and install on the adjusting screw 32 and lean on in prop tight adjusting nut 34 of propping on tight first 3. Prop tight stretching strap 4 and draw and lean on prop the outside of tight head 3, prop tight adjusting nut 34 top and lean on prop the inboard of tight head 3, rotate prop tight adjusting nut 34, prop tight adjusting nut 34 can prop the axial displacement on the tight adjusting screw 32, thereby make it can outwards prop tightly to prop tight head 3 prop tight stretching strap 4, perhaps make to inside back prop tight stretching strap 4 lax. In this embodiment, an anti-slip nut 35 may be additionally installed at the end of the tightening adjusting screw 32 for preventing the tightening slide bar 31 from slipping out when the tightening strap 4 is not tightened in this embodiment.

This embodiment shows that the tightening adjusting devices are respectively arranged between the four tightening heads 3 and the corresponding support arms 22, so that the tightening of a certain position of the carrying cloth 11 can be flexibly adjusted according to the tightening condition of the carrying cloth.

This embodiment is because the elasticity that props up stretching strap 4 and exists at every turn prop up stretching strap 4 and prop up completely and stretch up to prop up stretching strap 4 and relax to the degree that is enough to pull down, perhaps at every turn prop up 4 covers in four prop when realizing propping up completely on the head 3, adjust prop up adjusting nut 34 and can become a comparatively loaded down with trivial details work. In this embodiment, for simplifying the operation, the stretching strap 4 is in an open loop configuration, and a hook device 41 is provided between the ends of the opening of the stretching strap 4. When the tightening drawstring 4 needs to be loosened and removed, the entire tightening drawstring 4 can be very easily removed by simply adjusting the tightening adjusting nuts 34 individually to loosen them and then operating the hooking means 41 to unhook them; similarly, when the tightening pull straps 4 are sleeved again, after the tightening pull straps 4 are sleeved at the four tightening heads 3, the hook devices 41 are hooked, the tightening pull straps 4 form pre-tightening, and complete tightening can be quickly realized by simply adjusting the tightening adjusting nuts 34 individually. The hook device 41 may be two hooks respectively disposed at two ends of the opening of the tightening drawstring 4.

In this embodiment, the two opposite support arms 22 are the rotating support arms 23, the other two opposite support arms 22 are the fixed support arms 24, and the two fixed support arms 24 may be integrally formed by using the same square steel, or may be welded to the central seat 21. In this embodiment, when the foldable bicycle is folded, one of the rotating bracket arms 23 is folded toward the fixed bracket arm 24, and the other rotating bracket arm 23 is folded toward the other fixed bracket arm 24.

The using method of the embodiment comprises the following steps: when the foldable support arm is needed to be used, the two rotary support arms 23 are rotated to the unfolding positions and are fixed through the unfolding fixing device, and the four support arms 22 form an X-shaped support structure; laying the flexible bearing device 1 above the plate frame 2, sleeving the tightening pull belts 4 outside the four tightening heads 3, hooking the hook devices 41, pre-tightening the tightening pull belts 4, adjusting the tightening adjusting nuts 34 according to the tightening conditions of the bearing cloth 11 to enable the tightening pull belts 4 to be gradually and completely tightened, laying the bearing cloth 11 above the plate frame 2 flatly and in a tightening manner to form a bearing surface, and forming fork holes below the plate frame 2 by the five supporting legs 27 to facilitate the fork-up and carrying of a forklift; when the use is finished or the carrying is required, firstly, operating the individual tightening adjusting nut 34 to loosen the tightening pulling belt 4, preferably, loosening the tightening adjusting nut 34 in one tightening adjusting device close to the hooking device 41, so that the hooking device 41 can quickly form the loosening, when the hooking device 41 is loosened to release the hooking, stopping operating the tightening adjusting nut 34 to release the hooking effect, completely loosening the tightening pulling belt 4, easily removing the flexible bearing device 1, and storing the flexible bearing device 1 after being folded; the unfolding fixing pin 251 is taken out, the rotating bracket arm 23 is drawn close to the corresponding fixing bracket arm 24, the unfolding fixing pin 251 is inserted when the unfolding fixing hole is overlapped with the folding connecting hole 26 to realize folding and fixing, the tray frame 2 can form a structure similar to a straight line, and the whole volume is obviously reduced; when the use is needed again, the tray 2 is unfolded again, the flexible bearing device 1 is laid and the stretching drawstring 4 is stretched.

The embodiment not only can meet the normal requirement of supporting objects, but also can obviously reduce the placing volume when not in use, is convenient to store and carry along with a vehicle, is very simple to operate when being unfolded and folded, and has higher popularization value.

Example two:

as shown in fig. 7, 8 and 9, the present embodiment is different from the first embodiment in that: the four support arms 22 are the rotating support arms 23, and every two of the four rotating support arms 23 are arranged in a close and folding mode. Like this the embodiment two that draw close each other rotate between the trailing arm 23 the mode that also can fold connecting hole 26 or expand fixed pin 251 spacing realizes folding, and the operation is also very simple, can realize reducing of volume when not using equally, conveniently stores and vehicle-mounted carries.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Foldable tray, its characterized in that: the flexible bearing device comprises a tray frame and a flexible bearing device arranged on the upper part of the tray frame; the tray frame comprises a central seat, four supporting arms arranged in an X shape are mounted on the central seat, at least two opposite supporting arms are rotating supporting arms which are transversely and rotatably mounted on the central seat, and an unfolding fixing device is arranged between each rotating supporting arm and the central seat; the supporting legs are fixedly arranged at the bottoms of the supporting arms, the end parts of the supporting arms are respectively provided with a tightening head, the edge of the flexible bearing device is connected with tightening pull belts which are arranged at the four tightening heads in a surrounding mode, and a tightening adjusting device is arranged between at least one tightening head and the corresponding supporting arm.

2. The folding tray of claim 1, wherein: prop tight adjusting device including fixed the setting prop tight overhead and slidable mounting in the bracing slide bar of bracket arm free end department, the fixed tight adjusting screw that props that is equipped with on the free end of bracket arm, prop tight overhead be equipped with prop the screw rod via hole that tight adjusting screw corresponds, prop and install on the adjusting screw that props tight and lean on prop tight overhead adjusting nut that props tightly.

3. The folding tray of claim 1, wherein: the unfolding fixing device comprises an unfolding connecting hole formed in the center seat, an unfolding fixing hole corresponding to the unfolding connecting hole is formed in the rotating supporting arm, and an unfolding fixing pin is connected between the unfolding connecting hole and the unfolding fixing hole.

4. The folding tray of claim 3, wherein: folding connecting holes are formed in the center seat corresponding to the rotating support arms respectively, folding fixing holes corresponding to the folding connecting holes are formed in the rotating support arms, and folding fixing pins are connected between the folding connecting holes and the folding fixing holes.

5. The folding tray of claim 4, wherein: the unfolding fixing hole is used as the folding fixing hole, and the unfolding fixing pin is used as the folding fixing pin.

6. The folding tray of claim 1, wherein: the flexible bearing device comprises bearing cloth arranged on the upper portion of the tray frame, at least two reinforcing cloth strips are sewn on the bearing cloth, and the edge of the bearing cloth is sewn with the tightening pull belt.

7. The folding tray of claim 1, wherein: the two opposite support arms are the rotating support arms.

8. The folding tray of claim 1, wherein: the four support arms are the rotating support arms.

9. The folding tray of claim 1, wherein: supporting legs are also fixedly arranged at the bottom of the central seat.

10. The folding tray of any one of claims 1 to 9, wherein: the stretching strap is in an open-loop arrangement, and a hook device is arranged between the end parts of the opening of the stretching strap.