CN216611278U - Novel double-layer folding trolley - Google Patents

Abstract

The utility model relates to a novel double-layer folding trolley, which comprises trundles, a bearing plate, a hand push rod, a movable tray and a support frame, wherein the support frame is used for fixing the movable tray above the bearing plate and can be bent and folded; a folding mechanism is fixed at one end of the top surface of the bearing plate; the hand push rod is arranged on the folding mechanism and is fixedly connected with the bearing plate; the support frame comprises a first support frame and a second support frame; the first support frame is shaped like Jiong, and one end part of the first support frame is rotatably connected to the side wall of the bearing plate; the second support frame is in a shape of a Chinese character 'kou', one end part of the second support frame is rotatably connected with the first support frame, and the other end part of the second support frame is detachably connected with the hand push rod; the movable tray is arranged on the second support frame connected with the hand push rod and is parallel to the bearing plate. A support frame capable of being bent and folded is arranged on the bearing plate, a movable tray is placed on the support frame, and the support frame and the lower bearing plate form a double-layer trolley; the movable tray is disassembled, and the supporting frame is folded, so that the single-layer trolley is formed; the folding mechanism can fold the hand push rod, so that the storage space is saved.

Description

A new type of double-layer folding trolley

technical field

The utility model belongs to the technical field of trolleys, in particular to a novel double-layer folding trolley.

Background technique

The trolley is mainly used to transport goods. It is easy to operate and maintain. It is very convenient to carry goods in a short distance and has been widely used and popularized. The existing trolley has a single-layer structure and a double-layer structure. The single-layer trolley can transport limited items, and it takes time and effort to transport more goods; while the double-layer trolley increases the area that can be placed. When fewer items are transported, it will appear overkill, and it will occupy a large space when it is idle, wasting space resources.

Utility model content

In order to solve the above problems, the present invention provides a trolley with a double-layer structure that can be folded and stored.

A new type of double-layer folding trolley, including:

Casters, load-bearing plates, hand push rods, movable trays and support frames that can be bent and folded to fix the movable trays above the load-bearing plates;

The casters are installed at the bottom of the load-bearing plate;

A folding mechanism is fixed on one end of the top surface of the load-bearing plate;

The hand push rod is installed on the folding mechanism and is fixedly connected with the bearing plate;

The support frame includes a first support frame and a second support frame;

The first support frame is in the shape of "冂", and one end thereof is rotatably connected to the side wall of the bearing plate;

The second support frame is in the shape of a "mouth", one end of which is rotatably connected with the first support frame, and the other end is detachably connected with the push rod;

The movable tray is arranged on the second support frame connected with the push rod, and is parallel to the load-bearing plate.

Further, a support rod is installed between the first support frames through screws;

One end of the second support frame connected with the first support frame is provided with a hollow first socket column;

The first socket post is horizontally oriented toward the opening;

The support rod passes through the first socket column to connect the first support frame with the second support frame, so that the second support frame can rotate around the axis of the support rod.

Further, a cylinder is arranged between the hand push rods, and a connecting piece extends from the cylinder;

One end of the second support frame connected with the push rod is provided with a hollow second socket column;

The second socket post is vertically facing the opening;

The second socket post is sleeved into the connecting piece from top to bottom, and the second socket post is hooked by the connecting piece.

Further, a load-bearing bar extends outward from the upper edge of the movable tray;

The upper surface of the second support frame is pressed against the lower surface of the load-bearing bar, and the movable tray is suspended on the second support frame.

Further, the folding mechanism includes a hand push rod mounting seat, a limit rod that restricts the movement of the hand push rod, and a spring member that controls the lifting and lowering of the limit rod;

A limit slot is set on the hand push rod mounting seat, a spring piece is sleeved on the limit rod and passes through the limit slot, and the other end of the spring piece is fixed on the hand push rod mounting seat;

The hand push rod is installed in the hand push rod mounting seat through bolts and nuts, and is switched between horizontal and vertical orientations through the lifting and lowering of the limit rod.

Further, the first support frame is connected with the load-bearing plate at an angle, and the first support frame extends toward the side wall of the load-bearing plate.

Further, the bearing plate is a plastic bearing plate with a hollow bottom.

Further, the top surface of the load-bearing plate is provided with anti-skid patterns.

The utility model has the following beneficial effects:

The utility model is provided with a support frame that can be bent and folded on the load-bearing plate, a movable tray is placed on the support frame, and a double-layer trolley is formed with the load-bearing plate below it; Remove it, fold the support frame on the load-bearing plate, and then it becomes a single-layer trolley; when it is idle, the hand push rod can also be stored and folded on the load-bearing plate through the folding mechanism, saving storage space and operating Simple and suitable for many occasions.

Description of drawings

Fig. 1 is a structural schematic diagram of a novel double-layer folding cart of the present invention;

2 is a schematic diagram of the support frame of the present invention in a folded state;

Fig. 3 is the schematic diagram of the double-layer folding trolley of the present utility model in the folded state;

4 is a schematic diagram of the connection structure between the second support frame and the hand push rod of the present invention.

Detailed ways

The embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

In the description of the present invention, unless otherwise specified, "a plurality" means two or more; the terms "coaxial", "bottom", "one end", "top", "middle", " The orientation or positional relationship indicated by "the other end", "upper", "one side", "top", "inside", "front", "center", "ends", etc. is based on the orientation shown in the drawings or The positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first," "second," "third," etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present utility model, it should be noted that, unless otherwise expressly specified and limited, terms such as "installation", "setup", "connection", "fixation", "swivel connection" should be understood in a broad sense, For example, it can be a fixed connection, a detachable connection, or an integral body; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the internal communication between two components Or the interaction relationship between the two elements, unless otherwise clearly defined, those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

As shown in Figure 1, a new type of double-layer folding trolley includes: casters 1, a load-bearing plate 2, a hand push rod 3, a movable tray 4, and a flexible and foldable support frame that fixes the movable tray 4 above the load-bearing plate 2; The caster 1 is installed at the bottom of the load-bearing plate 2; a folding mechanism is fixed on one end of the top surface of the load-bearing plate 2; the hand push rod 3 is installed on the folding mechanism and is fixedly connected to the load-bearing plate 2; The frame 5 and the second support frame 6; the first support frame 5 is in the shape of "冂", and its one end is rotatably connected to the side wall of the load-bearing plate 1; the second support frame 6 is in the shape of a "mouth", One end thereof is rotatably connected with the first support frame 5, and the other end is detachably connected with the hand push rod 3; the movable tray 4 is arranged on the second support frame 6 connected with the hand push rod 3, parallel to the load-bearing plate 2. As shown in FIG. 1 , the utility model is provided with a support frame that can be bent and folded on the load-bearing plate 2 , and the support frame is composed of a first support frame 5 and a second support frame 6 , wherein the first support frame 5 is a load-bearing frame The frame is rotatably connected with the load-bearing plate, and the rotation angle is limited, and the second support frame 6 is the placement frame of the movable tray 4, the movable tray 4 is placed on the second support frame 6, and the load-bearing plate 2 below it forms a double-layer trolley ; Wherein the first support frame 5 and the second support frame 6 are rotatable connection, and the rotation angle is not restricted under the influence of non-external force; When carrying less items, no double-layer structure is required, and the movable tray 4 Remove, rotate the first support frame 5 and the second support frame 6, fold and store them on the load-bearing plate 2, and then become a single-layer trolley, as shown in Figure 2; when idle, the folding mechanism can also be used. The hand push rod 3 is stored and folded on the bearing plate 2, as shown in FIG. 3, the storage space is saved, the operation is simple, and it is suitable for various occasions.

Further, as shown in FIG. 2 , a support rod 7 is installed between the first support frames 5 by screws; the end of the second support frame 6 connected to the first support frame 5 is provided with a hollow first sleeve The first socket column 8 faces the opening horizontally; the support rod 7 passes through the first socket column 8 to connect the first support frame 5 and the second support frame 6, so that the second support frame 6 It can rotate around the axis of the support rod 7. In this embodiment, the connection between the first support frame 5 and the second support frame 6 is a socket connection, the first socket column 8 of the second support frame 6 passes through the support rod 7, and then the first support frame 5 is screwed It is installed at both ends of the support rod, and the second support frame 6 is installed in the middle. At this time, the second support frame 6 can rotate around the axis of the support rod 7 to realize the bending between the first support frame 5 and the second support frame 6 fold.

Further, as shown in FIG. 2 and FIG. 4 , a cylindrical body 9 is arranged between the hand push rods 3 , and a connecting piece 10 extends from the cylindrical body 9 ; the second support frame 6 is connected with the hand push rod 3 at one end A hollow second socket post 11 is arranged at the part; the second socket post 11 faces the opening vertically; the second socket post 11 is sleeved into the connector 10 from top to bottom, and the second socket The post 11 is hooked. In this embodiment, the connection between the second support frame and the hand push rod is performed by means of a socket connection, which is convenient and fast. It is only necessary to insert the second socket post 11 into the connection piece 10 from top to bottom, that is, The connection can be completed, and the placement of the movable tray 4 enhances the tightness of the connection between the two.

Further, a load-bearing bar extends outward from the upper edge of the movable tray 4 ; the upper surface of the second support frame 6 abuts the lower surface of the load-bearing bar to suspend the movable tray 4 on the second support frame. In this embodiment, the second layer of the double-decker trolley is designed as a removable movable tray. The movable tray 4 is adapted to the shape and size of the second support frame 6, and a load-bearing strip extends outward from the upper edge. The movable tray 4 is placed in the second support frame 6, and the movable tray 4 is suspended on the second support frame 6, and only needs to be removed when not needed.

Further, as shown in FIG. 3 , the folding mechanism includes a hand push rod mounting seat 12 , a limit rod 13 for restricting the movement of the hand push rod, and a spring member 14 for controlling the lifting of the limit rod; the hand push rod mounting seat 12 A limit slot 15 is provided on the limit rod 13, and a spring member 14 is sleeved on the limit rod 13 and passes through the limit slot 15. The other end of the spring member 14 is fixed on the hand push rod mounting seat 12; the hand push rod 3 is bolted And the nut is installed in the hand push rod mounting seat 12, and the limit rod 13 is lifted and lowered to switch between the horizontal and vertical orientations. In this embodiment, the hand push rod can be folded and stored by a folding mechanism, wherein the folding mechanism includes a hand push rod mounting seat 12 with a limit groove 15, a limit rod 13 and a spring member 14; the limit rod 13 is in the spring Under the shrinkage of the part 14, it will be at the top of the limit groove 15 for a long time. At this time, the movement of the hand push rod 3 will be restricted, and the hand push rod 3 will not be able to rotate around the bolt in the horizontal or vertical direction. When the limit rod 13 is pressed down to the bottom of the limit groove 15, the restriction on the movement of the hand push rod 3 can be cancelled.

Further, the first support frame 5 is connected with the load-bearing plate 2 at an angle, and the first support frame 5 extends toward the side wall of the load-bearing plate 2 . The first support frame 5 is used as a load-bearing frame. In this embodiment, the first support frame 5 is not connected perpendicular to the load-bearing plate 2, but is connected with the load-bearing plate 2 at an angle, such as 75 degrees, and the other end of the first support frame 5 faces the load-bearing plate 2. The outer extension is on the same level as the cylinder 9 of the hand push rod 3 .

Further, the bearing plate 2 is a plastic bearing plate with a hollow bottom. In terms of materials, the load-bearing plate 2 is made of plastic, and the bottom of the car is hollow, which saves materials, reduces material costs, and reduces the overall weight of the trolley. The plastic products will not rust and do not need to be painted, making the trolley more hygienic and environmentally friendly.

Further, the top surface of the load-bearing plate 2 is provided with anti-skid patterns. The anti-skid pattern increases the frictional force of the top surface of the load-bearing plate 2 for transporting items, so as to prevent the items from falling due to the contact surface being too slippery and the transport speed being too fast.

What is not described in detail in the present invention is the well-known technology of those skilled in the art.

The embodiments of the present invention are presented for purposes of illustration and description, and are not intended to be exhaustive or to limit the invention to the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to better explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for the design of various embodiments with various modifications as are suited to the particular use.

Claims (8)

1. a novel double-layer folding trolley, is characterized in that, comprises: Casters (1), load-bearing plates (2), hand push rods (3), movable trays (4), and a flexible and foldable support frame for fixing the movable trays (4) above the load-bearing plates (2); The casters (1) are mounted on the bottom of the load-bearing plate (2); A folding mechanism is fixed on one end of the top surface of the load-bearing plate (2); The hand push rod (3) is installed on the folding mechanism and is fixedly connected with the bearing plate (2); The support frame includes a first support frame (5) and a second support frame (6); The first support frame (5) is in the shape of "冂", and one end thereof is rotatably connected to the side wall of the load-bearing plate (2); The second support frame (6) is in the shape of a "mouth", one end of which is rotatably connected with the first support frame (5), and the other end is detachably connected with the push rod (3); The movable tray (4) is arranged on the second support frame (6) connected with the hand push rod (3), and is parallel to the load-bearing plate (2). 2. a kind of novel double-layer folding trolley according to claim 1 is characterized in that, A support rod (7) is installed between the first support frames (5) through screws; One end of the second support frame (6) connected with the first support frame (5) is provided with a hollow first socket column (8); The first socket post (8) is horizontally oriented toward the opening; The support rod (7) passes through the first socket column (8) to connect the first support frame (5) with the second support frame (6), so that the second support frame (6) can wrap around the support rod (7). ) axis rotation. 3. a kind of novel double-layer folding trolley according to claim 1 is characterized in that, A cylinder (9) is arranged between the hand push rods (3), and a connecting piece (10) extends from the cylinder (9); A hollow second socket column (11) is provided at one end of the second support frame (6) connected with the push rod (3); The second socket post (11) is vertically facing the opening; The second socket post (11) is sleeved into the connecting piece (10) from top to bottom, and the second socket post (11) is hooked by the connecting piece (10). 4. a kind of novel double-layer folding trolley according to claim 1 is characterized in that, A load-bearing bar extends outward from the upper edge of the movable tray (4); The upper surface of the second support frame (6) abuts the lower surface of the load-bearing bar, and the movable tray (4) is suspended on the second support frame. 5. a kind of novel double-layer folding trolley according to claim 1 is characterized in that, The folding mechanism comprises a hand push rod mounting seat (12), a limit rod (13) for restricting the movement of the hand push rod, and a spring member (14) for controlling the lifting and lowering of the limit rod; A limit groove (15) is formed on the hand push rod mounting seat (12), a spring member (14) is sleeved on the limit rod (13) and passes through the limit groove (15), and the spring member (14) The other end is fixed on the hand push rod mounting seat (12); The hand push rod (3) is installed in the hand push rod mounting seat (12) through bolts and nuts, and is switched between horizontal and vertical orientations through the lifting and lowering of the limit rod (13). 6. A kind of novel double-layer folding trolley according to claim 1, is characterized in that, The first support frame (5) is connected with the bearing plate (2) at an angle, and the first support frame (5) extends toward the side wall of the bearing plate (2). 7. A kind of novel double-layer folding trolley according to claim 1, is characterized in that, The bearing plate (2) is a plastic bearing plate with a hollow bottom. 8. A new type of double-layer folding trolley according to claim 1, characterized in that, The top surface of the load-bearing plate (2) is provided with anti-skid patterns.

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