Bending type household appliance transfer device

Abstract

According to the bending type household appliance transferring device, a front plate and a main body piece are arranged on the same level, and a rear plate is arranged to be higher than the front plate to form a step structure; the thickness of the front cushion seat is matched with the value, higher than the front plate, of the rear plate; according to the bending type household appliance transfer device provided by the utility model, the main body piece of which the cross section is opened downwards is connected between the front plate and the rear plate, and the main body piece provides a position basis for subsequent installation and work of the sliding part while realizing structural connection; the front hole and the rear hole serve as a support part to be connected to a base of a household appliance; and the handle is wrenched to control the movable wheel part to press down and retract up. Through the arrangement that the front cushion seat is matched with the front plate and the rear plate is higher than the front plate, the supporting part can be attached to the bottom of the household appliance under the condition that the reinforcing ribs are arranged on the front portion of the household appliance.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of household appliance transfer device, especially in a kind of bending type household appliance transfer device. BACKGROUND

[0002] In current technology, for the heavy household appliance handling problem in warehouse or home environment, such as washing machine or refrigerator, usually two methods are adopted: one is to use transfer forklift, another is to rely on manual handling. In addition, there is a way of using specially designed simple lifting device to assist in transferring household appliances. At present, most of these lifting devices are non-fixed, which need to be inserted into the bottom of household appliance during use, and the household appliance is lifted by lever principle to realize handling.

[0003] However, the complexity of the current household appliance bottom structure causes the installation process of the lifting device to be difficult or even impossible. In view of the fact that some models of household appliances are provided with protruding reinforcing ribs in the width direction of the front end and / or rear end for structural strength or cleaning considerations, the existence of these reinforcing ribs constitutes an obstacle to the installation action of the lifting device. The transfer device fixed on the bottom of household appliance for a long time is particularly important in application. In the transfer process, the household appliance is lifted by the lifting device, and the household appliance is released by the lifting device after the transfer is completed. Therefore, it is particularly urgent to reasonably design the transfer device so that it can be fixed on the bottom of household appliance for a long time and maintain excellent use performance. SUMMARY

[0004] The main purpose of the utility model is to provide a kind of bending type household appliance transfer device, to solve the structure and use performance optimization problem of household appliance transfer device.

[0005] In order to achieve the above purpose, the utility model provides a kind of bending type household appliance transfer device, comprising:

[0006] Supporting part, including main body and connecting the front plate and rear plate at both ends of the length direction of the main body, the lower surface of the main body is provided with sliding slot extending along the length direction, the front plate and the rear plate are respectively provided with front hole and rear hole, wherein, the front plate is arranged horizontally with the main body, the rear plate is arranged higher than the front plate to form a stepped structure;

[0007] Front pad seat, for the front plate, the thickness of the front pad seat matches the value that the rear plate is higher than the front plate;

[0008] Multiple movable wheel parts, arranged at intervals in the length direction of the sliding slot;

[0009] Sliding part, arranged in the sliding slot along the length direction, multiple driving parts are arranged on the sliding part corresponding to multiple movable wheel parts, and the front hole and the rear hole are arranged to avoid the sliding part.

[0010] The length direction one end of the handle is hinged to the front plate plane to form a first hinge point, and the length direction middle part of the handle is connected to the one end of the sliding part near the front plate;

[0011] When the handle is pulled outwards, the driving part presses the movable wheel part downwards, and when the handle is pulled inwards, the driving part and the movable wheel part are released and the movable wheel part is pulled up.

[0012] Further, the movable wheel part comprises installation shafts and swing frames, the installation shafts are arranged in the length direction of the main body and fixed across the width direction of the sliding groove, the swing frames are hinged to the installation shafts and the free ends of the swing frames are connected with rollers; the driving part is a lower boss arranged at the bottom of the sliding part.

[0013] Further, a support table is arranged on the lower surface of the main body, when the handle is pulled inwards, the support table limits the swing of the swing frame by abutting against the swing frame.

[0014] Further, the driving part is a lifting groove penetrating the thickness direction of the sliding part, the lifting groove extends upwards from the lower part of the sliding part in the height direction and inclines to the front plate; the movable wheel part comprises an axle and a wheel body rotatably arranged on the axle, a plurality of vertical grooves are arranged in the length direction of the sliding groove, the axle penetrates the vertical grooves and the lifting groove and is movably arranged in the height direction of the vertical grooves.

[0015] Further, the bending type household appliance transfer device further comprises a rear pad seat detachably connected with the lower surface of the rear plate, a matching fixing structure for connecting an external hydraulic station foot is arranged on the lower surface of the rear pad seat.

[0016] Further, a first fixing hole for fixing the rear pad seat to the lower surface of the rear plate and a second fixing hole group for connecting an external hydraulic station foot are arranged on the rear pad seat, the first fixing hole and the second fixing hole group are arranged side by side or the second fixing hole group surrounds the first fixing hole.

[0017] Further, the rear plate is provided with side auxiliary fixing hole parts arranged in the length direction on both sides of the rear hole in the width direction.

[0018] Further, the side auxiliary fixing hole part comprises one long waist-shaped hole or a plurality of sub-long waist-shaped holes arranged in the length direction.

[0019] Further, the bending type household appliance transfer device further comprises a rib pad, which is detachably fixed between the upper surface of the main body and the bottom of the external household appliance.

[0020] Further, the front pad seat and the front plate form detachable connection.

[0021] The bending type household appliance transfer device provided by the utility model, the front plate and the rear plate are connected with the main body with downward open cross section, the main body realizes structure connection and provides position basis for the installation and work of the subsequent sliding part; the front hole and the rear hole are connected to the base of the household appliance as the support part; the work of pulling the handle can control the pressing and retraction of the movable wheel part. Through matching the front pad seat of the front plate and the setting that the rear plate is higher than the front plate, the support part can be combined with the bottom of the household appliance under the condition that the front part of the household appliance has reinforcing ribs. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is the upper part schematic view of the first embodiment bending type household appliance transfer device of the utility model (the movable wheel part is in the pressing state and the rear pad seat is connected);

[0023] Figure 2 is the lower part schematic view of the first embodiment bending type household appliance transfer device of the utility model (the movable wheel part is in the pressing state and the rear pad seat is connected);

[0024] Figure 3 is the upper part schematic view of the first embodiment bending type household appliance transfer device of the utility model (the movable wheel part is in the retraction state and the rear pad seat is connected);

[0025] Figure 4 is the lower part schematic view of the first embodiment bending type household appliance transfer device of the utility model (the movable wheel part is in the retraction state and the rear pad seat is connected);

[0026] Figure 5 is the schematic view of the support part in the first embodiment bending type household appliance transfer device of the utility model;

[0027] Figure 6 is the schematic view of the rear pad seat in the first embodiment bending type household appliance transfer device of the utility model;

[0028] Figure 7 is the lower part schematic view of the first embodiment bending type household appliance transfer device of the utility model (the movable wheel part is in the retraction state and the rear pad seat is connected with the hydraulic station foot);

[0029] Figure 8 is the schematic view of the rear pad seat in the second embodiment bending type household appliance transfer device of the utility model;

[0030] Figure 9is the upper part schematic view of the bending type household appliance transfer device of the second embodiment of the utility model (the movable wheel part is in the up collection state);

[0031] Figure 10 is the lower part schematic view of the bending type household appliance transfer device of the second embodiment of the utility model (the movable wheel part is in the up collection state);

[0032] Figure 11 is the upper part schematic view of the bending type household appliance transfer device of the second embodiment of the utility model (the movable wheel part is in the down pressure state);

[0033] Figure 12 is the lower part schematic view of the bending type household appliance transfer device of the second embodiment of the utility model (the movable wheel part is in the down pressure state);

[0034] Figure 13 is the upper part schematic view of the bending type household appliance transfer device of the third embodiment of the utility model (the movable wheel part is in the up collection state).

[0035] The utility model discloses the realization, functional characteristics and advantages will be further explained with reference to the embodiment, with the drawings. DETAILED DESCRIPTION

[0036] It should be understood that the specific embodiments described herein are merely intended to explain the utility model and are not intended to limit the utility model.

[0037] Those skilled in the art can understand that, unless specifically stated, the singular form "a", "an", "said" and "the" used herein also includes the plural form. It should be further understood that the phrase "comprising" used in the specification of the utility model means that the features, integers, steps, operations, elements, units, modules and / or assemblies exist, but do not exclude the existence or addition of one or more other features, integers, steps, operations, elements, units, modules, assemblies and / or their combinations. It should be understood that when we say that an element is "connected" or "coupled" to another element, it can be directly connected or coupled to the other element, or there can be intermediate elements. In addition, "connected" or "coupled" used herein can include wireless connection or wireless coupling. The phrase "and / or" used herein includes all or any unit and all combinations of the associated listed items.

[0038] Those skilled in the art will understand that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

[0039] Referring to Figures 1 to 13 In an embodiment of the present application, a bending type household appliance transfer device comprises:

[0040] The support part 100 comprises a main body 110, a front plate 120 and a rear plate 130 connected to both ends of the main body 110 in the length direction, the lower surface of the main body 110 is provided with a sliding groove 111 extending in the length direction, and the front plate 120 and the rear plate 130 are respectively provided with a front hole 121 and a rear hole 131, wherein the front plate 120 is arranged horizontally with the main body 110, and the rear plate 130 is arranged higher than the front plate 120 to form a stepped structure.

[0041] The front pad 200 is arranged for the front plate 120, and the thickness of the front pad 200 matches the value by which the rear plate 130 is higher than the front plate 120.

[0042] A plurality of movable wheel parts 300 are arranged at intervals in the length direction of the sliding groove 111.

[0043] The sliding part 400 is arranged in the sliding groove 111 in the length direction, and a plurality of driving parts are arranged on the sliding part 400 corresponding to the plurality of movable wheel parts 300, and the front hole 121 and the rear hole 131 are arranged to avoid the sliding part 400.

[0044] The pull handle 500 is hingedly connected to the front plate 120 at one end in the length direction to form a first hinge point 510, and the middle part of the pull handle 500 in the length direction is connected to one end of the sliding part 400 near the front plate 120.

[0045] When the pull handle 500 is pulled out, the driving part presses the movable wheel part 300 downward, and when the pull handle 500 is retracted, the driving part and the movable wheel part 300 are released, and the movable wheel part 300 is retracted.

[0046] In the prior art, it is particularly urgent to reasonably design the transfer device so that it can be fixed to the bottom of the household appliance for a long time and maintain excellent use performance.

[0047] In the utility model, the bending type household appliance transfer device is fixed in the up-down direction during use, and therefore the up-down direction is indicated in the above-mentioned up-down mode. The support part 100 comprises a front plate 120 and a rear plate 130. The front plate 120 and the rear plate 130 are respectively used for being connected to the front corner position and the rear corner position of the household appliance. A main body piece 110 with a cross section open downward is connected between the front plate 120 and the rear plate 130. The main body piece 110 realizes structural connection and provides a basis for the installation of the subsequent sliding part 400. The cross section of the main body piece 110 is a fully open or partially open frame structure, and a sliding groove 111 is formed. The front plate 120 and the rear plate 130 are respectively provided with a front hole 121 and a rear hole 131; the front feet and the rear feet of the household appliance are respectively inserted through the front hole 121 and the rear hole 131 to fix the support part 100 to the bottom of the household appliance. The front hole 121 and / or the rear hole 131 can be a waist-shaped hole. The front hole 121 and the rear hole 131 are respectively used for the feet at the front of the household appliance and the feet at the rear of the household appliance to pass through. Then the front hole 121 and / or the rear hole 131 are provided as a waist-shaped hole, and then the size range that the bending type household appliance transfer device can adapt to is improved.

[0048] The front pad seat 200 is arranged on the front plate 120. The thickness of the front pad seat 200 matches the value that the rear plate 130 is higher than the front plate 120. The reinforcing ribs of the bottom of the household appliance are commonly arranged at the front of the household appliance. Then the support part 100 can avoid the reinforcing ribs through the supporting effect of the front pad seat 200. At this time, due to the existence of the front pad seat 200, the value that the rear plate 130 is higher than the front plate 120 needs to match the thickness value of the front pad seat 200, and the rear plate 130 can naturally match the feet at the rear of the household appliance.

[0049] The plurality of movable wheel parts 300 are arranged at intervals in the length direction of the sliding groove 111, and the structure form of the movable wheel part 300 can be various, and the specific form is that the movable wheel part 300 can be retracted and lowered on the support part 100.

[0050] The sliding part 400 is arranged in the sliding groove 111 in the length direction and slides, and the sliding part 400 is provided with a plurality of driving parts corresponding to the plurality of movable wheel parts 300. The structure form of the driving part can also be various, for example, a convex structure or a groove structure, and the specific form is that the driving part can act on the movable wheel part 300, which will be described in detail in the subsequent embodiment. The avoiding mode of the sliding part 400 to the front hole 121 and the rear hole 131 can be various, for example, the above-mentioned staggered arrangement or the hollow of the corresponding part of the sliding part 400.

[0051] The one end of the length direction of the lever handle 500 is hinged to the plane of the front plate 120 to form a first hinge point 510, and the middle part of the length direction of the lever handle 500 is connected to the one end of the slide part 400 close to the front plate 120; so that the lever handle 500 can rotate based on the first hinge point 510. The connection between the middle part of the length direction of the lever handle 500 and the slide part 400 can be various, for example, the middle part of the length direction of the lever handle 500 is hinged to the one end of the slide part 400 close to the front plate 120 to form a second hinge point, at least one of the first hinge point 510 and the second hinge point is swingable, so as not to limit the rotation of the lever handle 500; or the middle part of the length direction of the lever handle 500 is connected to the slide part 400 through a connecting rod. The purpose of the lever handle 500 is to be able to operate the slide part 400 through the operation of the lever handle 500. The middle part of the length direction of the lever handle 500 is not limited to the middle part found in the length direction, but only requires to be staggered with the one end of the length direction of the lever handle 500, so that the lever 500 can rotate.

[0052] When the lever handle 500 is pulled out, the driving part presses the movable wheel part 300 downward, at this time the movable wheel part 300 can serve as the rolling basis; when the lever handle 500 is retracted, the action of the driving part and the movable wheel part 300 is released and the movable wheel part 300 is retracted, and the household appliance is put down.

[0053] In summary, the main body 110 with the cross section downwardly open is connected between the front plate 120 and the rear plate 130, the main body 110 realizes the structural connection while providing the position basis for the subsequent installation and work of the slide part 400; the front hole 121 and the rear hole 131 are connected to the base of the household appliance as the supporting part 100; the work of the lever handle 500 can control the pressing and retraction of the movable wheel part 300. By matching the front pad seat 200 of the front plate 120 and the setting of the rear plate 130 higher than the front plate 120, the supporting part 100 can be fitted with the bottom of the household appliance in the case of the reinforcing rib at the front of the household appliance.

[0054] Reference Figures 9 to 13 In one embodiment, the movable wheel part 300 includes a mounting shaft 310 and a swing frame 320, a plurality of the mounting shaft 310 is arranged at intervals in the length direction of the main body 110, the mounting shaft 310 is fixed across the width direction of the slide groove 111, the swing frame 320 is hinged to the mounting shaft 310 and the free end is connected with a roller 330; the driving part is a lower boss 410 arranged at the bottom of the slide part 400.

[0055] In the embodiment, the structure of the movable wheel part 300 is proposed, the plurality of installation shafts 310 in the plurality of movable wheel parts 300 are arranged at intervals in the length direction of the main body 110. The installation shaft 310 is arranged in the sliding groove 111. The installation shaft 310 is fixed across the width direction of the sliding groove 111, and a stable support is formed. The swing frame 320 is hinged to the installation shaft 310, and the free end of the swing frame 320 is provided with a roller 330. Thus, the movable wheel part 300 can swing based on the installation shaft 310, when the movable wheel part 300 swings out of the main body 110, the household appliance is lifted up, and the roller 330 can serve as the basis for rolling; when the movable wheel part 300 is retracted into the main body 110, the household appliance is lowered.

[0056] With reference to Figures 9 to 12 In an embodiment, the support table 112 is arranged on the lower surface of the main body 110, wherein when the pull handle 500 is retracted, the support table 112 abuts against the swing frame 320 to limit the swing of the swing frame 320.

[0057] In the embodiment, the support table 112 corresponding to the swing frame 320 is arranged on the lower surface of the main body 110, and when the pull handle 500 is retracted, the support table 112 abuts against the swing frame 320 to limit the swing of the swing frame 320. Through the arrangement of the support table 112, the swing frame 320 will not be loose in the non-ejection state.

[0058] With reference to Figures 1 to 7 In an embodiment, the drive part is a lifting groove 420 penetrating the thickness direction of the sliding part 400, the lifting groove 420 extends upward from the lower part of the height direction of the sliding part 400 and tilts towards the front plate 120; the movable wheel part 300 includes a wheel shaft 340 and a wheel body 350 rotatably arranged on the wheel shaft 340, a plurality of vertical grooves 113 are arranged at intervals in the length direction of the sliding groove 111, and the wheel shaft 340 penetrates the vertical groove 113 and the lifting groove 420 and is movably arranged in the height direction of the vertical groove 113.

[0059] In the present embodiment, the movable wheel part 300 is limited in the vertical groove 113 and can be raised and lowered in the height direction of the vertical groove 113, when the movable wheel part 300 is raised, the bending-type household appliance transfer device is in the storage state, the position of the household appliance cannot be easily transferred, and when the movable wheel part 300 is lowered, the household appliance is lifted up, at this time, the household appliance can be easily transferred through the movable wheel part 300. The driving force of the movable wheel part 300 rising and falling in the vertical groove 113 comes from the movement of the lifting groove 420, when the sliding part 400 moves, the position of the lifting groove 420 above it also moves, and the wheel shaft 340 passes through the lifting groove 420, due to the inclined characteristics of the lifting groove 420, the movable wheel part 300 moves in the vertical direction, which can be achieved through the movement of the sliding part 400.

[0060] Referring to Figures 1 to 7 In one embodiment, the bending-type household appliance transfer device further comprises a rear pad seat 600 detachably connected with the lower surface of the rear plate 130, and a matching fixing structure for connecting an external hydraulic foot is arranged on the lower surface of the rear pad seat 600.

[0061] In the prior art, in the rear part of the household appliance, in addition to the traditional foot, there is also a hydraulic foot, which is relatively simple to fix compared with the traditional foot (such as through a threaded hole), and the hydraulic foot needs multiple fixing holes (such as four). In the present embodiment, the rear pad seat 600 is introduced as a transition, which can be installed with the rear plate 130 through screws and the like (such as can also be clamped), and then a matching fixing structure (such as multiple threaded fixing holes) is arranged on the rear pad seat 600, and the hydraulic foot is connected to the rear pad seat 600.

[0062] Referring to Figures 1 to 8 In one embodiment, the rear pad seat 600 is provided with a first fixing hole 610 for fixing the rear pad seat 600 to the lower surface of the rear plate 130 and a second fixing hole group 620 for connecting an external hydraulic foot 010, wherein the first fixing hole 610 and the second fixing hole group 620 are arranged side by side or the second fixing hole group 620 surrounds the first fixing hole 610.

[0063] In the embodiment, the fixing of the rear pad seat 600 itself is realized through the first fixing hole 610, and the rear pad seat 600 is connected to the rear plate 130 and the bottom of the household appliance through a screw structure passing through the first fixing hole 610. The external hydraulic foot 010 can be fixed to the rear pad seat 600 through the second fixing hole group 620 (including a plurality of second fixing holes). The positional relationship between the first fixing hole 610 and the second fixing hole group 620 can be various. When the first fixing hole 610 and the second fixing hole group 620 are arranged side by side, the use of the first fixing hole 610 and the second fixing hole group 620 will not interfere with each other, the first fixing hole 610 can complete the fixing of a general foot, and the second fixing hole group 620 can complete the fixing of the hydraulic foot 010, so that the supporting action can be diversified; or the second fixing hole group 620 surrounds the first fixing hole 610, so that the structure of the entire rear pad seat 600 can be relatively compact and small in size.

[0064] Referring to Figures 9 to 12 In an embodiment, the rear plate 130 is provided with a side auxiliary fixing hole part 132 arranged in the length direction on both sides of the rear hole 131 in the width direction.

[0065] In the prior art, in addition to the traditional foot, there is also a hydraulic foot 010 in the rear part of the household appliance. Compared with the relatively simple fixing method of the traditional foot (such as through a threaded hole), the hydraulic foot 010 needs multiple fixing holes (such as four). The hydraulic foot 010 is fixed through the side auxiliary fixing hole part 132, for example, the hydraulic foot 010 is fixed through four screws, the screws pass through the hydraulic foot 010 and the side auxiliary fixing hole part 132 and then are connected to the household appliance.

[0066] Referring to Figures 9 to 12 In an embodiment, the side auxiliary fixing hole part 132 includes a long waist-shaped hole or a plurality of sub-long waist-shaped holes arranged in the length direction.

[0067] In the embodiment, the side auxiliary fixing hole part 132 can be a single long waist-shaped hole, so that it is most suitable for the size condition. The side auxiliary fixing hole part 132 can also include sub-long waist-shaped holes arranged in the length direction, which can guarantee the structural strength of the rear plate 130 while guaranteeing the adaptability to various size conditions.

[0068] Referring to Figure 13 In an embodiment, the bent household appliance transfer device further includes a rib pad 700 which can be detachably fixed between the upper surface of the main body 110 and the bottom of the external household appliance.

[0069] In the process of using the bending type household appliance transfer device, since the bottom of the household appliance (refrigerator or washing machine, etc.) is mostly shaped as non-flat, the contact between the main body 110 and the bottom of the household appliance is prone to be unstable, and the main body 110 is prone to structural deformation. In the embodiment, at least one rib pad 700 is introduced, which can be installed with the main body 110 through screws or other means (such as clamping), so that the structural stability of the main body 110 is maintained. The material of the rib pad 700 is preferably a polymer, which can form a structural support and facilitate the installation process.

[0070] In one embodiment, the front pad seat 200 is detachably connected with the front plate 120.

[0071] In the embodiment, the front pad seat 200 is pre-connected with the front plate 120, so that the possibility of abnormal displacement of the front pad seat 200 is reduced. The connection between the front pad seat 200 and the front plate 120 can be screw connection, clamping or buckling, etc.

[0072] In summary, the bending type household appliance transfer device provided by the utility model has the following advantages: the main body 110 with the downwardly open cross section is connected between the front plate 120 and the rear plate 130, which not only realizes structural connection, but also provides a position basis for the installation and work of the subsequent sliding part 400; the front hole 121 and the rear hole 131 are connected to the base of the household appliance as the support part 100; the operation of the pull handle 500 can control the depression and retraction of the movable wheel part 300. By matching the front pad seat 200 of the front plate 120 and the setting of the rear plate 130 being higher than the front plate 120, the support part 100 can be fitted to the bottom of the household appliance with the reinforcing ribs on the front part of the household appliance.

[0073] The above description is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A bending type home appliance transfer device, characterized by, The utility model relates to a supporting part (100) and a front pad (200) and a plurality of movable wheel parts (300) and a sliding part (400) and a pull handle (500) are arranged, and the supporting part (100) comprises a main body piece (110) and a front plate (120) and a rear plate (130) connected to both ends of the length direction of the main body piece (110), the lower surface of the main body piece (110) is provided with a sliding groove (111) extending along the length direction, the front plate (120) and the rear plate (130) are respectively provided with a front hole (121) and a rear hole (131), wherein the front plate (120) is arranged horizontally with the main body piece (110), and the rear plate (130) is arranged higher than the front plate (120) and forms a stepped structure. The front pad (200) is arranged for the front plate (120), and the thickness of the front pad (200) matches the value that the rear plate (130) is higher than the front plate (120). The plurality of movable wheel parts (300) are arranged at intervals in the length direction of the sliding groove (111). The sliding part (400) is arranged in the sliding groove (111) and slides along the length direction, and the sliding part (400) is provided with a plurality of driving parts corresponding to the plurality of movable wheel parts (300), and the front hole (121) and the rear hole (131) avoid the sliding part (400). The pull handle (500) is hinged to the front plate (120) at one end in the length direction to form a first hinge point (510), and the middle part of the pull handle (500) in the length direction is connected to one end of the sliding part (400) near the front plate (120). When the pull handle (500) is pulled out, the driving part presses the movable wheel part (300) downward, and when the pull handle (500) is retracted, the driving part and the movable wheel part (300) are released, and the movable wheel part (300) is retracted. The movable wheel part (300) comprises a mounting shaft (310) and a swing frame (320), a plurality of mounting shafts (310) are arranged at intervals in the length direction of the main body piece (110), the mounting shaft (310) is fixed across the width direction of the sliding groove (111), the swing frame (320) is hinged to the mounting shaft (310) and the free end is connected with a roller (330), and the driving part is a lower boss (410) arranged at the bottom of the sliding part (400).

2. The wraparound appliance transfer device of claim 1, wherein, The lower surface of the main body piece (110) is provided with a support table (112), wherein when the pull handle (500) is retracted, the support table (112) abuts against the swing frame (320) and limits the swing of the swing frame (320).

3. The wraparound appliance transfer device of claim 2, wherein, ​ 4. The wraparound appliance transfer device of claim 1, wherein, The driving part is a lifting groove (420) penetrating the thickness direction of the sliding part (400), the lifting groove (420) extends upward from the lower part of the height direction of the sliding part (400) and inclines to the front plate (120) direction; the movable wheel part (300) includes an axle (340) and a wheel body (350) rotatably arranged on the axle (340), a plurality of vertical grooves (113) are arranged in the length direction of the sliding groove (111) and penetrated, the axle (340) passes through the vertical grooves (113) and the lifting groove (420) and is movably arranged in the height direction of the vertical grooves (113).

5. The wraparound appliance of any one of claims 1 to 4, wherein, The bending type household appliance transfer device further comprises a rear pad seat (600) which is detachably connected with the lower surface of the rear plate (130), and a matching fixing structure for connecting an external hydraulic station foot is arranged on the lower surface of the rear pad seat (600).

6. The wraparound appliance transfer device of Claim 5, wherein, The rear pad seat (600) is provided with a first fixing hole (610) for fixing the rear pad seat (600) to the lower surface of the rear plate (130) and a second fixing hole group (620) for connecting an external hydraulic station foot (010), wherein the first fixing hole (610) and the second fixing hole group (620) are arranged side by side or the second fixing hole group (620) surrounds the first fixing hole (610).

7. The wraparound appliance of any one of claims 1 to 4, wherein, The rear plate (130) is provided with a side auxiliary fixing hole part (132) arranged in the length direction on both sides of the rear hole (131) in the width direction.

8. The wraparound appliance transfer device of claim 7, wherein, The side auxiliary fixing hole part (132) includes one long waist-shaped hole or a plurality of sub-long waist-shaped holes arranged in the length direction.

9. The wraparound appliance of any one of claims 1 to 4, wherein, The bending type household appliance transfer device further comprises a rib pad block (700) which is detachably fixed between the upper surface of the main body (110) and the bottom of an external household appliance.

10. The wraparound appliance of any one of claims 1 to 4, wherein, The front pad seat (200) is detachably connected with the front plate (120).

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