CN219154537U - Transfer device - Google Patents

Abstract

The utility model provides a transfer device, which comprises: a frame having a receiving portion; the first limiting parts are oppositely arranged at two sides of the frame, the first limiting parts are provided with connecting ends and limiting ends, the moving direction of the first limiting parts is the same as the length direction of the frame, the limiting ends are positioned at the tops of the first limiting parts, and the limiting ends of the first limiting parts are mutually matched to limit the displacement of an object along the length and width directions of the frame; the second limiting pieces are arranged on one side, close to the rear end of the frame, of the first limiting piece, the second limiting pieces and the first limiting pieces are arranged at intervals along the length direction of the frame, the second limiting pieces are partially protruded out of the surface of the bearing part, and one side, protruding out of the bearing part, of the second limiting pieces is matched with the top end of the bearing part together to limit displacement of an object along the width direction of the frame. By applying the technical scheme of the utility model, the problem of small application range in the prior art can be solved.

Description

Transfer device

Technical Field

The utility model relates to the technical field of transportation, in particular to a transfer device.

Background

At present, in order to ensure the performance of the fuel cell system, the fuel cell system needs to be transported to a corresponding laboratory for testing after being assembled, and in the prior art, the fuel cell system is transported by adopting a manual transportation mode, so that the labor intensity of workers can be improved, and the working efficiency of the workers is reduced.

Therefore, in the prior art, a transferring device is generally adopted to transport the new energy automobile battery, for example, patent document with application number 202210261956.1 discloses a new energy automobile battery recycling and transferring mechanism, which relates to the technical field of automobile battery transportation and comprises a moving plate, wherein a travelling wheel is rotatably arranged at the bottom of the moving plate, a storage box is arranged on the moving plate through a height lifting assembly, a central gear is rotatably arranged on the transmission box, a pair of racks are slidably arranged in the transmission box, the two racks are symmetrically arranged about the central gear, and two sliding cover plates are fixedly connected with the two racks through a connecting frame I and a connecting frame II respectively; the storage box can be used for storing the batteries of the new energy automobile, and the storage box is sealed by the sliding cover plate which is arranged to slide relatively.

However, in the above document, the storage box is only capable of storing fuel cell systems of one specification, and cannot meet the transportation of fuel cell systems of various specifications, thereby reducing the application range and transportation efficiency of the device, and thus cannot meet the use demands of users.

Disclosure of Invention

The utility model provides a transfer device which aims at solving the problems of small application range and low transfer efficiency in the prior art.

The utility model provides a transfer device, which comprises: a frame having a receiving portion; the first limiting pieces are oppositely arranged on two sides of the frame, each first limiting piece is provided with a connecting end and a limiting end, each first limiting piece is movably connected with the bearing part through the connecting end, the moving direction of each first limiting piece is the same as the length direction of the frame, each limiting end is positioned at the top of each first limiting piece and is used for being in limiting fit with an object, and the limiting ends of the first limiting pieces are mutually matched to limit the displacement of the object along the length and width directions of the frame; the second limiting parts are oppositely arranged on two sides of the frame, the second limiting parts are located on one side, close to the rear end of the frame, of the first limiting parts, the second limiting parts and the first limiting parts are arranged at intervals along the length direction of the frame, the second limiting parts extend along the length direction of the frame, the second limiting parts are partially protruded out of the surface of the bearing part, and one side, protruding out of the bearing part, of the second limiting parts is matched with the top end of the bearing part together to limit displacement of an object along the width direction of the frame.

Further, the first locating part is including the first stopper and the second stopper of connecting in order, has the contained angle between first stopper and the second stopper, and first stopper is located the top of adapting unit, is provided with spacing recess on the first stopper, and spacing recess is used for restricting the displacement of object along length direction and width direction, and second stopper and frame movable connection.

Further, an opening is formed in the side wall, facing the inner side of the frame, of the limiting groove, and the opening is communicated with the limiting groove.

Further, the second limiting block is provided with a first mounting hole, the bearing part is provided with a plurality of second mounting holes, the second mounting holes are arranged at intervals along the length direction of the frame, and the first mounting holes are selectively connected and fixed with at least one of the second mounting holes through fasteners.

Further, the frame also comprises a handle and a support frame, the support frame is located at the tail end of the bearing part and is close to the second limiting part, the support frame extends along the height direction of the frame, the top of the support frame is located above the bearing part, and the handle is arranged on the support frame.

Further, the handle is movably arranged on the support frame, the handle is provided with a use state and a storage state which are oppositely arranged, the support frame is provided with a containing groove which is arranged along the vertical direction, and when the handle is in the use state, the handle is horizontally arranged on the support frame; when the handle is in the storage state, the handle is positioned in the accommodating groove.

Further, the handle comprises a first section, a second section and a third section which are sequentially connected, the first section and the third section are all positioned on the same side of the second section, the support frame is provided with two accommodating grooves, guide grooves are formed in the side walls of the two sides of the accommodating grooves, the guide grooves are provided with a first groove section and a second groove section which are mutually communicated, the first groove section extends along the vertical direction, the second groove section is positioned at the top of the first groove section, the second groove section is positioned at one side of the first groove section, which is close to the second limiting piece, connecting shafts are arranged at the two ends of the handle, the two connecting shafts are arranged in the guide grooves in a one-to-one correspondence manner, a first placing opening is formed in the side wall of the top of the accommodating groove, the first placing openings of the two accommodating grooves are arranged in opposite directions, a second placing opening is formed in the top of the accommodating groove, the second placing opening is close to the rear end of the frame, and when the handle is in a use state, the connecting shafts are positioned in the second groove section, and the side walls of the first section and the third section are lapped in the second placing opening. When the handle is in a storage state, the connecting shaft is positioned in the first groove section, the first section and the third section are positioned in the corresponding first groove section, and two ends of the second section are positioned in the first placing opening.

Further, the transfer device further comprises a plurality of wheels, the wheels are arranged at the bottom of the frame along the circumferential direction of the frame, and the frame can move relative to the ground through the wheels.

Further, the wheel includes link and gyro wheel, and the top of link and the rotatable connection of bottom of frame, gyro wheel rotationally set up in the bottom of link, and the axis of rotation of link is mutually perpendicular with the axis of rotation of gyro wheel.

Further, the wheel further comprises a locking piece and a positioning piece, wherein the locking piece is connected with the connecting frame, the locking piece is provided with a locking state and an unlocking state for fixing the idler wheels, the positioning piece is located at the first end of the connecting frame, and the positioning piece can be matched with the frame to limit the connecting frame to rotate relative to the frame.

By applying the technical scheme of the utility model, a plurality of first limiting pieces and a plurality of second limiting pieces are arranged on two sides of the frame, the second limiting pieces and the first limiting pieces are arranged at intervals along the length direction of the frame, the first limiting pieces are used for limiting and matching with the front end of an object, and the second limiting pieces are used for limiting and matching with the rear end of the object. Through setting up above-mentioned structure, in the use of device, utilize the mutually supporting of a plurality of first locating parts and a plurality of second locating part can accomplish the spacing fixed to the object to prevent that the object from producing the phenomenon of displacement when the transportation, thereby can guarantee the stability when the object transportation, simultaneously because a plurality of first locating parts movably set up on the frame, so can adjust according to the different size of object, thereby can satisfy the spacing of different specification sizes of object, so can improve the application scope and the transport efficiency of device, in order to satisfy user's application demand.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 shows a schematic structural diagram of a transfer device and object installation according to an embodiment of the present utility model;

fig. 2 shows a schematic structural diagram of a transfer device according to an embodiment of the present utility model;

FIG. 3 is a schematic view showing the structure of a handle according to an embodiment of the present utility model;

fig. 4 shows a schematic structural diagram of a support frame according to an embodiment of the present utility model;

fig. 5 shows a schematic structural view of a wheel according to an embodiment of the present utility model;

fig. 6 shows a schematic structural diagram of a positioning member according to an embodiment of the present utility model.

Wherein the above figures include the following reference numerals:

10. a frame;

20. a first limiting member; 21. a limit groove; 22. a first mounting hole;

30. a second limiting piece;

40. a handle; 41. a support frame; 42. a first section; 43. a second section; 44. a third section; 45. a guide groove; 46. a first placement port; 47. a second placement port;

50. a connecting frame; 51. a roller; 52. a locking member; 53. and a positioning piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 and 2, the present utility model provides a transfer device including a frame 10, a plurality of first stoppers 20, and a plurality of second stoppers 30. The frame 10 has a receiving portion, a plurality of first limiting members 20 are oppositely arranged at two sides of the frame 10, the first limiting members 20 are provided with connecting ends and limiting ends, the first limiting members 20 are movably connected with the receiving portion through the connecting ends, the moving direction of the first limiting members 20 is the same as the length direction of the frame 10, the limiting ends are located at the tops of the first limiting members 20, the limiting ends are used for being in limiting fit with objects, the limiting ends of the first limiting members 20 are mutually matched to limit displacement of the objects along the length and width directions of the frame 10, a plurality of second limiting members 30 are oppositely arranged at two sides of the frame 10, the second limiting members 30 are located at one side, close to the rear end of the frame 10, of the first limiting members 20, the second limiting members 30 and the first limiting members 20 are arranged at intervals along the length direction of the frame 10, the second limiting members 30 are partially protruded out of the surface of the receiving portion, and one side of the protruded portions of the second limiting members 30 are matched with the top end of the receiving portion together to limit displacement of the objects along the width directions of the frame 10.

By applying the technical scheme of the utility model, a plurality of first limiting pieces 20 and a plurality of second limiting pieces 30 are arranged on two sides of the frame 10, the second limiting pieces 30 and the first limiting pieces 20 are arranged at intervals along the length direction of the frame 10, the first limiting pieces 20 are used for being in limiting fit with the front end of an object, and the second limiting pieces 30 are used for being in limiting fit with the rear end of the object. Through setting up above-mentioned structure, in the use of device, utilize the mutually supporting of a plurality of first locating part 20 and a plurality of second locating part 30 can accomplish the spacing fixed to the object to prevent that the object from producing the phenomenon of displacement when the transportation, thereby can guarantee the stability when the object transportation, simultaneously because a plurality of first locating part 20 movably set up on frame 10, so can adjust according to the different size of object, thereby can satisfy the spacing of the object of different specification sizes, so can improve the application scope and the transportation efficiency of device, in order to satisfy user's application demand.

In the embodiment of the present application, the first limiting member 20 and the second limiting member 30 are both two and made of nylon, so that the limiting requirement of the device can be met, and meanwhile, the production cost of the device is correspondingly reduced. Alternatively, the number of the first stopper 20 and the second stopper 30 may not be limited as long as the use requirement of the device can be satisfied. Meanwhile, the frame 10 adopts a steel pipe with the specification of 40mm multiplied by 3mm and the material of Q235, and the outer surface of the steel pipe is subjected to paint spraying treatment, and the film thickness is between 60 and 100 mu m. Meanwhile, the second stopper 30 may be further provided to extend in the height direction of the frame 10 as long as the stopper requirement of the device can be satisfied.

Further, the first limiting member 20 comprises a first limiting block and a second limiting block which are sequentially connected, an included angle is formed between the first limiting block and the second limiting block, the first limiting block is located above the bearing part, a limiting groove 21 is formed in the first limiting block, the limiting groove 21 is used for limiting displacement of an object along the length direction and the width direction, and the second limiting block is movably connected with the frame 10. Above-mentioned setting simple structure, and the processing of being convenient for not only can reduce the processing degree of difficulty of device, also can satisfy the spacing demand of object simultaneously, prevent that the object from producing the displacement in transportation process to be favorable to guaranteeing the stability of object when transporting.

Specifically, an opening is provided on the side wall of the limit groove 21 facing the inside of the frame 10, and the opening communicates with the limit groove 21. The setting like this can make the object pass through the opening and be connected with spacing recess 21 to can make first locating part 20 carry out spacingly to the object, so not only can satisfy the spacing demand of object, the installation and the dismantlement of object and first locating part 20 of also being convenient for simultaneously have improved the dismouting efficiency of object.

Further, the second stopper has a first mounting hole 22, and the receiving portion has a plurality of second mounting holes, and the plurality of second mounting holes are spaced apart along the length direction of the frame 10, and the first mounting hole 22 is selectively connected and fixed to at least one of the plurality of second mounting holes by a fastener. Wherein, in the embodiment of this application, the fastener is specifically the screw, above-mentioned simple structure and easy dismounting not only be convenient for first locating part 20's dismouting, also reduced user's intensity of labour simultaneously.

Optionally, the first limiting block may be further connected to the frame 10 by a guide rail, so long as the device can meet the use requirement of the device.

As shown in fig. 3 and 4, the frame 10 further includes a handle 40 and a support frame 41, the support frame 41 is located at the end of the receiving portion and is disposed near the second limiting member 30, the support frame 41 extends along the height direction of the frame 10, and the top of the support frame 41 is located above the receiving portion, and the handle 40 is disposed on the support frame 41. Through setting up above-mentioned structure, can be convenient for the user use handle 40 in order to drive frame 10 and remove to make the whole user of being convenient for of device use more, be favorable to improving user's work efficiency.

Further, the handle 40 is movably provided on the support frame 41, the handle 40 has a use state and a storage state which are oppositely provided, the support frame 41 has a receiving groove which is provided in a vertical direction, and when the handle 40 is in the use state, the handle 40 is horizontally provided on the support frame 41; when the handle 40 is in the storage state, the handle 40 is positioned in the accommodating groove. By this arrangement, the handle 40 can be stored without being used, so that the occupied space of the handle 40 can be reduced, and the device can be conveniently accommodated in the handle 40.

Specifically, the handle 40 includes a first section 42, a second section 43 and a third section 44 that are sequentially connected, the first section 42 and the third section 44 are all located on the same side of the second section 43, the support frame 41 is provided with two accommodating grooves, the side walls of the two accommodating grooves are all provided with guide grooves 45, the guide grooves 45 are provided with a first groove section and a second groove section which are mutually communicated, the first groove section extends along the vertical direction, the second groove section is located at the top of the first groove section, the second groove section is located at one side of the first groove section, which is close to the second limiting member 30, two connecting shafts are arranged in the guide grooves 45 in a one-to-one correspondence manner, the side walls of the top of the accommodating grooves are provided with first placing openings 46, the first placing openings 46 of the two accommodating grooves are oppositely arranged, the top of the accommodating grooves are also provided with second placing openings 47, the second placing openings 47 are arranged close to the rear end of the frame 10, and when the handle 40 is in a use state, the connecting shafts are located in the second groove section, and the side walls of the first section 42 and the third section 44 are in overlap joint with the second placing openings 47; when the handle 40 is in the storage state, the connecting shaft is located in the first groove section, the first section 42 and the third section 44 are located in the corresponding first groove section, and two ends of the second section 43 are located in the first placing opening 46. Through setting up above-mentioned structure, not only can reduce the whole weight of device, the accomodating of handle 40 of also being convenient for simultaneously, so can improve the availability factor of device, also be favorable to realizing the lightweight of device simultaneously.

As shown in fig. 5 and 6, the transfer device further includes a plurality of wheels provided at the bottom of the frame 10 in the circumferential direction of the frame 10, and the frame 10 is movable relative to the ground by the wheels. By the arrangement, the friction between the wheels and the ground is small, so that the movement of the frame 10 can be facilitated, and the movement efficiency of the device is improved.

Specifically, the wheel includes a link 50 and a roller 51, the top end of the link 50 is rotatably connected to the bottom of the frame 10, the roller 51 is rotatably disposed at the bottom end of the link 50, and the rotational axis of the link 50 is perpendicular to the rotational axis of the roller 51. Wherein, in the embodiment of this application, the middle part of link 50 is provided with the pivot, can make link 50 rotate relative frame 10 through the pivot, through setting up above-mentioned structure, can make frame 10 satisfy multidirectional steering demand to be favorable to improving frame 10's application scope.

Further, the wheel further comprises a locking member 52 and a positioning member 53, wherein the locking member 52 is connected with the connecting frame 50, the locking member 52 has a locking state and an unlocking state for fixing the roller 51, the positioning member 53 is positioned at a first end of the connecting frame 50, and the positioning member 53 can be mutually matched with the frame 10 to limit the rotation of the connecting frame 50 relative to the frame 10. The locking member 52 can lock the roller 51 to prevent displacement of the roller 51 in a stationary state, and the positioning member 53 can fix the direction of the connection frame 50. As shown in fig. 6, when the positioning member 53 is at the stop position, the top of the positioning member 53 protrudes out and is disposed at the top of the connecting frame 50, and the positioning member 53 can cooperate with the bottom of the frame 10 to limit the rotation of the connecting frame 50, by providing the above structure, the frame 10 can be prevented from being displaced or rotated in the stationary state, thereby ensuring the stability of the frame 10 in the stationary state.

Wherein, in the embodiment of the application, the setting element 53 includes the casing, the locating pin, first spread groove, the second spread groove, third spread groove and reset spring, the locating pin movably sets up in the casing, first spread groove sets up on the lateral wall of casing along vertical direction, second spread groove and third spread groove are located the both ends of first spread groove respectively, and second spread groove and third spread groove extend along the horizontal direction, the one end of locating pin can be in first spread groove, second spread groove and third spread groove, when link 50 is in rotatory state, the one end of locating pin is located the second spread groove, when the user need make link 50 stop rotatory, only need to remove the one end of locating pin to the third spread groove in can accomplish the joint of locating pin and frame 10 fixedly, so can make link 50 stop rotating.

By applying the technical scheme of the utility model, a plurality of first limiting pieces 20 and a plurality of second limiting pieces 30 are arranged on two sides of the frame 10, the second limiting pieces 30 and the first limiting pieces 20 are arranged at intervals along the length direction of the frame 10, the first limiting pieces 20 are used for being in limiting fit with the front end of an object, and the second limiting pieces 30 are used for being in limiting fit with the rear end of the object. Through setting up above-mentioned structure, in the use of device, utilize the mutually supporting of a plurality of first locating part 20 and a plurality of second locating part 30 can accomplish the spacing fixed to the object to prevent that the object from producing the phenomenon of displacement when the transportation, thereby can guarantee the stability when the object transportation, simultaneously because a plurality of first locating part 20 movably set up on frame 10, so can adjust according to the different size of object, thereby can satisfy the spacing of the object of different specification sizes, so can improve the application scope of device, in order to satisfy user's application demand. Meanwhile, the transfer device further comprises a plurality of wheels, the wheels are arranged at the bottom of the frame 10 along the circumferential direction of the frame 10, and the frame 10 can move relative to the ground through the wheels. By the arrangement, the friction between the wheels and the ground is small, so that the movement of the frame 10 can be facilitated, and the movement efficiency of the device is improved.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A transfer device, the transfer device comprising:

a frame (10) having a receiving portion;

the first limiting pieces (20) are oppositely arranged on two sides of the frame (10), the first limiting pieces (20) are provided with connecting ends and limiting ends, the first limiting pieces (20) are movably connected with the bearing parts through the connecting ends, the moving direction of the first limiting pieces (20) is the same as the length direction of the frame (10), the limiting ends are positioned at the tops of the first limiting pieces (20), the limiting ends are used for being in limiting fit with objects, and the limiting ends of the first limiting pieces (20) are mutually matched to limit the displacement of the objects along the length and width directions of the frame (10);

the two sides of the frame (10) are oppositely provided with a plurality of second limiting pieces (30), the second limiting pieces (30) and the first limiting pieces (20) are arranged at intervals along the length direction of the frame (10), the second limiting pieces (30) extend along the length direction of the frame (10), the second limiting pieces (30) are partially protruded out of the surface of the bearing part, and one side of the bearing part of the second limiting pieces (30) is matched with the top end of the bearing part together to limit the displacement of the object along the width direction of the frame (10).

2. The transfer device according to claim 1, wherein the first limiting member (20) comprises a first limiting block and a second limiting block which are sequentially connected, an included angle is formed between the first limiting block and the second limiting block, the first limiting block is located above the receiving portion, a limiting groove (21) is formed in the first limiting block, the limiting groove (21) is used for limiting displacement of the object in the length direction and the width direction, and the second limiting block is movably connected with the frame (10).

3. A transfer device according to claim 2, characterized in that the side wall of the limit groove (21) facing the inside of the frame (10) is provided with an opening, which communicates with the limit groove (21).

4. The transfer device of claim 2, wherein the second stopper has a first mounting hole (22), the receiving portion has a plurality of second mounting holes, the plurality of second mounting holes are spaced apart along a length of the frame (10), and the first mounting hole (22) is selectively connected and secured to at least one of the plurality of second mounting holes by a fastener.

5. The transfer device according to claim 1, wherein the frame (10) further comprises a handle (40) and a support frame (41), the support frame (41) is located at the tail end of the receiving portion and is arranged close to the second limiting member (30), the support frame (41) extends along the height direction of the frame (10), the top of the support frame (41) is located above the receiving portion, and the handle (40) is arranged on the support frame (41).

6. The transfer device according to claim 5, wherein the handle (40) is movably arranged on the support frame (41), the handle (40) having a use state and a storage state which are arranged opposite to each other, the support frame (41) having a receiving groove arranged in a vertical direction, the handle (40) being arranged horizontally on the support frame (41) when the handle (40) is in the use state; when the handle (40) is in the storage state, the handle (40) is positioned in the accommodating groove.

7. The transfer device of claim 6, wherein the handle (40) comprises a first section (42), a second section (43) and a third section (44) connected in sequence, the first section (42) and the third section (44) are both located on the same side of the second section (43), the supporting frame (41) is provided with two containing grooves, the side walls of the two sides of the containing grooves are respectively provided with a guide groove (45), the guide groove (45) is provided with a first groove section and a second groove section which are communicated with each other, the first groove section extends along the vertical direction, the second groove section is positioned at the top of the first groove section, and the second groove section is positioned at one side of the first groove section close to the second limiting piece (30), connecting shafts are arranged at two ends of the handle (40), the two connecting shafts are arranged in the guide grooves (45) in a one-to-one correspondence, a first placing opening (46) is arranged on the side wall of the top of the accommodating groove, the first placing openings (46) of the two accommodating grooves are oppositely arranged, a second placing opening (47) is also arranged on the top of the accommodating groove, the second placing opening (47) is arranged close to the rear end of the frame (10), when the handle (40) is in the use state, the connecting shaft is positioned in the second groove section, the side walls of the first section (42) and the third section (44) are lapped in the second placing opening (47); when the handle (40) is in the storage state, the connecting shaft is located in the first groove section, the first section (42) and the third section (44) are located in the corresponding first groove section, and two ends of the second section (43) are located in the first placing opening (46).

8. The transfer device according to claim 1, further comprising a plurality of wheels arranged at the bottom of the frame (10) in the circumferential direction of the frame (10), by means of which wheels the frame (10) is movable relative to the ground.

9. The transfer device according to claim 8, wherein the wheel comprises a connecting frame (50) and a roller (51), the top end of the connecting frame (50) is rotatably connected with the bottom of the frame (10), the roller (51) is rotatably arranged at the bottom end of the connecting frame (50), and the rotation axis of the connecting frame (50) is perpendicular to the rotation axis of the roller (51).

10. The transfer device of claim 9, wherein the wheel further comprises a locking member (52) and a positioning member (53), the locking member (52) being coupled to the frame (50), the locking member (52) having a locked state and an unlocked state securing the roller (51), the positioning member (53) being located at a first end of the frame (50), the positioning member (53) being cooperable with the frame (10) to limit rotation of the frame (50) relative to the frame (10).

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