A lift-adjustable cart

Abstract

The utility model provides a liftable adjustment shallow relates to adjusting device technical field, liftable adjustment shallow includes: lower platform, truckle, C type stand, top crossbeam, sliding assembly, spring assembly and upper platform, the truckle is installed in the lower part of lower platform, C type stand vertical installation in four corners of lower platform same side 2 groups of C type stand cavity is opposite, top crossbeam is installed in the top of 2 groups of C type stand, sliding assembly is installed between same side 2 groups of C type stand, spring assembly is installed between sliding assembly and top crossbeam, upper platform is installed between two sliding assemblies, the utility model discloses liftable adjustment shallow, simple structure, convenient operation, low cost, through the sliding of sliding assembly, and then realize the smoothness of upper platform when tilting lift adjustment, ensure that upper platform can according to the stability of carrying weight and lift adjustment.

Description

TECHNICAL FIELD

[0001] The utility model relates to adjusting device technical field especially, relates to a liftable adjusting trolley. BACKGROUND

[0002] In modern industry and commercial environment, adjusting trolley is widely used in various equipment and device, especially in material goods shelves, logistics trolley, furniture and medical equipment etc. field, the existence of adjusting trolley greatly promotes the practicability and adaptability of equipment. But along with the continuous expansion of application scene and the increasing demand of user, the design of traditional adjusting trolley begins to show its limitations.

[0003] These limitations mainly show in the unsmooth and instability of adjusting trolley, when the upper platform inclines, cause the unsmooth of sliding assembly in the lifting process, and then lack the stability of lifting adjusting trolley in use, that is, when user takes and puts some heavy articles, will cause the upper platform to incline because of the improper position of article and lead to the unsmooth of upper platform lifting process even make sliding assembly stuck in C type stand, for the stability of structure and the limitation of article, thus can not satisfy the demand of user. SUMMARY

[0004] The technical problem to be solved by the utility model is: In order to solve the poor flow of traditional adjusting trolley in the prior art, the utility model provides a liftable adjusting trolley, the liftable adjusting trolley realizes the flow of upper platform lifting adjustment when inclining through the sliding of sliding assembly, and ensures that the upper platform can be stably lifted and adjusted according to the bearing weight.

[0005] The utility model adopts the technical scheme to solve the technical problem: A liftable adjusting trolley, the liftable adjusting trolley comprises: Lower layer platform, trundle, C type stand, top crossbeam, sliding assembly, spring assembly and upper layer platform, the C type stand is equipped with 4 groups, and the C type stand is equipped with two side plates and a bottom plate; The trundle is installed at the lower part of the lower layer platform, the C type stand is vertically installed at the four corners of the lower layer platform, and the cavities of two groups of C type stands on the same side are opposite, the top crossbeam is installed at the top of two groups of C type stands on the same side, the sliding assembly is slidably arranged between two groups of C type stands on the same side, the spring assembly comprises a plurality of springs, and the plurality of springs are evenly distributed between the sliding assembly and the top crossbeam, and the upper layer platform is installed between the two sliding assemblies.

[0006] Optionally, the sliding assembly comprises: Connecting side plate, two groups of connecting side plates on the same side are arranged in parallel and are fixedly connected through a connecting cross bar, and the connecting side plate is provided with a C-shaped notch at the upper portion; Connecting cross bar, the connecting cross bar is vertically fixed between the two groups of connecting side plates on the same side, and a spring assembly is installed between the connecting cross bar and the top cross beam; Guide bearing, at least one guide bearing is fixedly arranged on the outer side of the connecting side plate, the axis direction of the guide bearing is consistent with the direction of the connecting cross bar, and the guide bearing is slidingly arranged in the cavity of the C-shaped column.

[0007] Optionally, the sliding assembly further comprises a rolling bearing, the rolling bearing is fixedly arranged on the outer side of the connecting side plate, the axis of the rolling bearing is perpendicular to the axis of the guide bearing, the rolling bearing is vertically installed on the outer side of the connecting side plate and is slidingly arranged in the cavity of the C-shaped column.

[0008] Optionally, the sliding assembly further comprises: Support frame, the support frame is installed in the notch of the two groups of connecting side plates on the same side; Guide rod, the guide rod is installed at the lower end between the two groups of connecting side plates on the same side.

[0009] Optionally, the height-adjustable trolley further comprises a limiting structure, the limiting structure is installed in the cavity of the C-shaped column and is arranged at the limiting point of the C-shaped column side plate, and is used for limiting the excessive movement of the sliding assembly.

[0010] Optionally, the limiting structure comprises: Square tube, bolt holes are formed in the two side walls of the square tube, which are connected to the C-shaped sheet metal side plate, one of the side walls is provided with two notches, and the notches are arranged in the cavity of the C-shaped column; C-shaped sheet metal, the C-shaped sheet metal has a bottom plate, a long side plate and a short side plate, the bottom plate is provided with bolt holes, and the long side plate is provided with threaded holes, and the C-shaped sheet metal is installed in the notches of the square tube and the cavity of the C-shaped column; Bolts, the bolts are installed in the bolt holes of the two side walls of the square tube and the bolt holes of the bottom plate of the C-shaped sheet metal; Locking screw, the locking screw is installed in the threaded hole of the long side plate of the C-shaped sheet metal and is used for fixing the C-shaped sheet metal.

[0011] Optionally, the height-adjustable trolley further comprises a handrail, the handrail is installed at the upper end of the two groups of C-shaped column side plates on the same side.

[0012] Optionally, the height-adjustable trolley further comprises a support beam, the support beam is vertically installed between the two groups of C-shaped column side plates on the same side.

[0013] Optionally, the height-adjustable trolley further comprises a protective plate, the protective plate is installed between the two groups of C-shaped columns on the same side, and the lower end of the protective plate is fixedly installed with the support beam.

[0014] Optionally, the liftable and adjustable trolley further comprises a caster support adjusting assembly fixedly arranged at the lower part of the lower platform.

[0015] The liftable and adjustable trolley has the advantages that: The liftable and adjustable trolley has the advantages that: the sliding of the sliding assembly realizes the smoothness of the lifting adjustment of the upper platform when the upper platform is inclined, and ensures that the upper platform can be stably lifted and adjusted according to the bearing weight; in addition, the liftable and adjustable trolley has simple structure, convenient operation and low cost, and the user does not need to perform complex operation in the whole lifting and adjusting process, and can easily complete the operation; after the equipment is moved to the position required by the user through the plurality of casters, the caster support adjusting assembly can be fixed by slightly stepping, and when the user wants to adjust the lifting range, the limiting structure on the 4 groups of C-shaped columns can be adjusted; after the limiting structure is adjusted, the sliding assembly is lifted and adjusted according to the weight of the upper platform, and the lifting and adjusting process of the trolley is more stable and smooth under the action of the spring assembly and the sliding assembly. BRIEF DESCRIPTION OF DRAWINGS

[0016] The liftable and adjustable trolley will be further described below in combination with the drawings and embodiments.

[0017] Figure 1 is a schematic view of the liftable and adjustable trolley of the utility model Figure One ; Figure 2 is a schematic view of the liftable and adjustable trolley of the utility model Figure Two ; Figure 3 is a schematic view of the sliding assembly of the liftable and adjustable trolley of the utility model Figure 4 is a schematic view of the limiting structure of the liftable and adjustable trolley of the utility model Figure 5 is a schematic view of the limiting structure of the liftable and adjustable trolley of the utility model Figure One ; Figure 6 is a schematic view of the limiting structure of the liftable and adjustable trolley of the utility model Figure Two ; In the figure: 1. lower platform; 2. caster; 3. C-shaped column; 4. top cross beam; 5. sliding assembly; 6. spring assembly; 7. upper platform; 8. limiting structure; 9. handrail; 10. support beam; 11. protection plate; 12. caster support adjusting assembly; 51. connecting side plate; 52. connecting cross bar; 53. guide bearing; 54. rolling bearing; 55. support frame; 56. guide rod; 81. square tube; 82. C-shaped sheet metal; 83. bolt; 84. locking screw. DETAILED DESCRIPTION

[0018] The utility model will be further described in detail. The embodiments described below are exemplary and are intended to explain the utility model and cannot be understood as limiting the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0019] In order to make the above-mentioned purpose, characteristics and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0020] The conventional adjusting trolley in the prior art is mainly characterized by unsmoothness and instability. When the upper platform tilts, the sliding assembly is unsmooth in the lifting process, and the stability of the lifting adjusting trolley in use is poor. When the user takes or places some heavy objects, the position of the objects may cause the adjusting trolley to tilt, resulting in unsmooth lifting of the sliding assembly, and even the sliding assembly may be stuck in the C-shaped column. The stability of the structure and the limitation of the objects cannot meet the needs of the user.

[0021] In addition, although the existing liftable adjusting trolley on the market provides a certain degree of solution, it still has some deficiencies, such as complex operation process, insufficient structural stability, relatively high cost, etc. These problems not only affect the user experience, but also limit the application potential of these structures in a wider field.

[0022] In order to solve the problems of poor smoothness, poor stability, complex structure and high cost of the conventional adjusting trolley in the prior art, the utility model provides a liftable adjusting trolley, as shown in Figures 1-2 The liftable adjusting trolley comprises: The lower platform 1, the caster 2, the C-shaped column 3, the top cross beam 4, the sliding assembly 5, the spring assembly 6 and the upper platform 7. The C-shaped column 3 is provided with four groups. The C-shaped column 3 is provided with two side plates and a bottom plate. The caster 2 is installed at the lower part of the lower platform 1. The C-shaped column 3 is vertically installed at the four corners of the lower platform 1, and the cavities of the two groups of C-shaped columns 3 on the same side are opposite. The top cross beam 4 is installed at the top of the two groups of C-shaped columns 3 on the same side. The sliding assembly 5 is slidingly arranged between the two groups of C-shaped columns 3 on the same side. The spring assembly 6 comprises a plurality of springs, and the plurality of springs are uniformly distributed between the sliding assembly 5 and the top cross beam 4. The upper platform 7 is installed between the two sliding assemblies 5.

[0023] The utility model discloses a liftable adjustment trolley, realizes integral movement through trundle 2, realizes the lift adjustment movement of C type stand 3 guide sliding subassembly 5, top crossbeam 4 forms the support effect of C type stand 3, realizes the liftable adjustment of upper layer platform 7 through sliding subassembly 5, realizes the smoothness lift adjustment of upper layer platform 7 through the effect of spring subassembly 6 elastic deformation.

[0024] The utility model discloses preferably sliding subassembly 5 includes: Connecting side plate 51, same side 2 group connecting side plate 51 parallelly arranged are connected through connecting crossbeam 52, and the upper portion of connecting side plate 51 is provided with C type notch, and connecting side plate 51 is the support structure of sliding subassembly 5, which guarantees the stability of the connection between components; Connecting crossbeam 52 is vertically fixed between same side 2 group connecting side plate 51, and spring subassembly 6 is installed between connecting crossbeam 52 and top crossbeam 4, and spring subassembly 6 is elastically deformed through connecting crossbeam 52; Guide bearing 53 is at least provided with one, and guide bearing 53 is fixedly arranged on the outside of connecting side plate 51, the axis direction of guide bearing 53 is consistent with the direction of connecting crossbeam 52, guide bearing 53 is slidably arranged in the cavity of C type stand 3, and at least one guide bearing 53 can make upper layer platform 7 more smooth in the lifting process. The utility model discloses preferably sliding subassembly 5 still includes rolling bearing 54, and rolling bearing 54 is fixedly arranged on the outside of connecting side plate 51, the axis of rolling bearing 54 is perpendicular with the axis of guide bearing 53, is vertically installed in the outside of connecting side plate 51 and is slidably arranged in the cavity of C type stand 3, and when upper layer platform 7 inclines, can carry out smoothness and stability lift adjustment under the action of rolling bearing 54.

[0025] The utility model discloses preferably sliding subassembly 5 still includes: support frame 55, support frame 55 is installed in the C type notch of same side 2 group connecting side plate 51, and support frame 55 plays the support effect of same side 2 group connecting side plate 51;Guide rod 56 is installed between the lower end of same side 2 group connecting side plate 51, and guide rod 56 is the support structure of same side 2 group connecting side plate 51, to prevent sliding subassembly 5 from excessive movement.

[0026] The utility model discloses preferably liftable adjustment trolley still includes limiting structure 8, and limiting structure 8 is installed in the cavity of C type stand 3, and limiting structure 8 is used to limit the excessive movement of sliding subassembly 5, and limiting structure 8 includes: Square tube 81 is connected with bolt hole on the two side walls of C type sheet metal 3 side plate, one side wall is provided with two notches, is arranged in the cavity of C type stand 3, and square tube 81 is the load-bearing main body of limiting structure 8; C-shaped sheet metal 82, the C-shaped sheet metal has a bottom plate, a long side plate and a short side plate, the bottom plate is provided with a bolt hole, the long side plate is provided with a threaded hole, and is installed in the notch of the square tube and the cavity of the C-shaped column, the C-shaped sheet metal 82 is a connecting piece connecting the square tube 81 and the C-shaped column 3; Bolts 83 are installed in the bolt holes in the two side walls of the square tube 81 and the bolt hole in the middle of the C-shaped sheet metal 82, and the bolts 83 are used for fastening the square tube 81, the C-shaped sheet metal 82 and the C-shaped column 3, and provide stability for the limiting structure 8 on the C-shaped column 3; Locking screws 84 are installed in the threaded holes in the side walls of the C-shaped sheet metal 82, and are used for fixing the C-shaped sheet metal 82 and preventing the C-shaped sheet metal 82 from falling off in the limiting structure 8.

[0027] The utility model discloses the preferred liftable adjustable trolley further includes handrails 9, handrails 9 install in the upper end of the side plate of the same side 2 groups C-shaped column 3, and the user can move to the required position in the moving process of the equipment through handrails 10.

[0028] The utility model discloses the preferred liftable adjustable trolley further includes support beam 10, and support beam 10 is vertically installed between the side plate of the same side 2 groups C-shaped column 3, and support beam 10 plays the supporting role of the same side 2 groups C-shaped column 3.

[0029] The utility model discloses the preferred liftable adjustable trolley further includes protection plate 11, and protection plate 11 is installed between the same side 2 groups C-shaped column 3, and the lower end of protection plate is fixedly installed with support beam 10, and protection plate 11 is used for protecting the internal structure and protecting the safety of the user. The utility model discloses the preferred liftable adjustable trolley further includes trundle support adjusting assembly 12, and trundle support adjusting assembly 12 is fixedly arranged below lower layer platform 1, when the equipment is moved to the position required by the user, just lightly trundle support adjusting assembly 12 is stepped on, and the equipment can be fixed, and it is more stable when lifting and adjusting.

[0030] The above-mentioned ideal embodiment according to the utility model discloses the inspiration, and through the above-mentioned description, relevant staff can make various changes and modifications without deviating from the technical thought of the utility model.The technical scope of the utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A height-adjustable trolley, characterized in that, include: The lower platform (1), casters (2), C-shaped columns (3), top beam (4), sliding assembly (5), spring assembly (6) and upper platform (7) are provided. The C-shaped columns (3) are provided in 4 sets, and the C-shaped columns (3) are provided with two side plates and one bottom plate. The casters (2) are installed on the lower part of the lower platform (1); the C-shaped columns (3) are vertically installed at the four corners of the lower platform (1) and the cavities of the two sets of C-shaped columns (3) on the same side are opposite each other; the top beam (4) is installed on the top of the two sets of C-shaped columns (3) on the same side; the sliding assembly (5) is slidably arranged between the two sets of C-shaped columns (3) on the same side; the spring assembly (6) includes several springs, which are evenly distributed between the sliding assembly (5) and the top beam (4); the upper platform (7) is installed between the two sliding assemblies (5).

2. The height-adjustable trolley as described in claim 1, characterized in that, The sliding component (5) includes: Connecting side plate (51), two sets of connecting side plates (51) on the same side are set in parallel and are fixedly connected by connecting crossbar (52). The connecting side plate (51) has a C-shaped groove at the top. The connecting crossbar (52) is vertically fixed between two sets of connecting side plates (51) on the same side, and the spring assembly (6) is installed between the connecting crossbar (52) and the top crossbeam (4); Guide bearing (53), at least one guide bearing (53) is fixedly installed on the outside of the connecting side plate (51), the axial direction of the guide bearing (53) is consistent with the direction of the connecting crossbar (52), and the guide bearing (53) is slidably installed in the cavity of the C-shaped column (3).

3. The height-adjustable trolley as described in claim 2, characterized in that, The sliding assembly (5) also includes a rolling bearing (54), which is fixedly disposed on the outside of the connecting side plate (51). The axis of the rolling bearing (54) is perpendicular to the axis of the guide bearing (53), and is vertically installed on the outside of the connecting side plate (51) and slidably disposed in the cavity of the C-shaped column (3).

4. The height-adjustable trolley as described in claim 2, characterized in that, The sliding component (5) further includes: Support frame (55), the support frame (55) is installed in the C-shaped slots of two sets of connecting side plates (51) on the same side; Guide rod (56), which is installed at the lower end between two sets of connecting side plates (51) on the same side.

5. The height-adjustable trolley as described in claim 1, characterized in that, It also includes a limiting structure (8), which is installed in the cavity of the C-shaped column (3) and set on the side plate of the C-shaped column (3) to limit the excessive movement of the sliding component (5).

6. The height-adjustable trolley as described in claim 5, characterized in that, The limiting structure (8) includes: The square tube (81) is connected to the side plate of the C-shaped column (3) and has bolt holes on both sides. One side wall has two slots, which are set in the cavity of the C-shaped column (3). C-type sheet metal (82) has a base plate, a long side plate and a short side plate. The base plate has bolt holes and the long side plate has threaded holes. It is installed in the slot of the square tube (81) and the cavity of the C-type column (3). Bolts (83) are installed in the bolt holes on both sides of the square tube (81) and in the bolt holes on the bottom plate of the C-shaped sheet metal (82); Locking screws (84) are installed in the threaded holes of the long side plate of the C-type sheet metal (82) to fix the C-type sheet metal (82).

7. The height-adjustable trolley as described in claim 1, characterized in that, It also includes handrails (9), which are installed on the upper end of the side panels of the two sets of C-shaped columns (3) on the same side.

8. The height-adjustable trolley as described in claim 1, characterized in that, It also includes a support beam (10), which is vertically installed between the side plates of the two sets of C-shaped columns (3) on the same side.

9. The height-adjustable trolley as described in claim 8, characterized in that, It also includes a protective plate (11), which is installed between two sets of C-shaped columns (3) on the same side, and the lower end of the protective plate is fixedly installed with the support beam (10).

10. The height-adjustable trolley as described in claim 1, characterized in that, It also includes a caster support adjustment assembly (12), which is fixedly installed at the lower part of the lower platform (1).

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