CN219258278U

CN219258278U - Rack convenient to dismouting

Info

Publication number: CN219258278U
Application number: CN202320245094.3U
Authority: CN
Inventors: 王莉红; 郝骞; 崔阶萱; 池佳伟; 董曼培; 郭少
Original assignee: Hebei College of Industry and Technology
Current assignee: Hebei Ruizhangku Technology Co.,Ltd.
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-06-27
Anticipated expiration: 2033-02-17

Abstract

The utility model provides a rack convenient to disassemble and assemble, which comprises two groups of bottom plates, wherein a mounting assembly is arranged between the two groups of bottom plates, and the mounting assembly can be contracted or expanded in an operable way so as to enable the two groups of bottom plates to be close to or far away from each other. Wherein, the bottom plate upper end is connected with the bracing piece in a detachable way, and the roof is all inserted to two sets of bracing pieces upper ends, and tooth's socket has all been seted up to two sets of bracing pieces opposite sides, sets up the frame of placing that has adjusting part between the bracing piece of both sides. The adjusting component is provided with a gear part in transmission connection with the tooth slot; at least one adjusting component is arranged on the placement frame to drive the placement frame to move up and down along the height direction of the support rod. The rack convenient to disassemble and assemble can be installed and disassembled conveniently and rapidly, and the working efficiency is improved. Through setting up adjusting part on placing the frame, can make to place the frame and follow the direction of height of bracing piece and adjust from top to bottom to can carry out the adaptability adjustment according to article shape, thereby make this place overhead room utilization ratio good.

Description

Rack convenient to dismouting

Technical Field

The utility model belongs to the technical field of a rack, and particularly relates to a rack convenient to disassemble and assemble.

Background

The article placing rack supports, places and stores articles to be placed, so that occupied space of original articles can be effectively reduced. And can utilize the rack to carry out the induction to scattered article and place, be convenient for deposit and take.

At present, most of the placing frames are assembled and disassembled, the two ends of the supporting rod are required to be assembled or disassembled with screws of the base, a plurality of screws are required to be fixed or disassembled, the assembling or disassembling efficiency is greatly reduced, and the assembling or disassembling efficiency is inconvenient to disassemble and assemble. Meanwhile, the positions of the placing plates in most placing racks in the prior art are fixed and cannot be adjusted at will, so that the space cannot be well adjusted according to the appearance of placed articles and reasonably utilized.

Disclosure of Invention

In view of the foregoing, the present utility model aims to provide a rack that is convenient to disassemble and assemble, so that the rack can be assembled or disassembled conveniently and rapidly, and the space of the rack can be utilized reasonably.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

the rack comprises two groups of bottom plates, wherein a mounting assembly is arranged between the two groups of bottom plates, and the mounting assembly can be contracted or expanded in an operable way so as to enable the two groups of bottom plates to be close to or far away from each other;

the upper ends of the bottom plates are detachably connected with supporting rods, top plates are inserted into the upper ends of the supporting rods on two sides, tooth grooves are formed in the opposite sides of the two groups of supporting rods, and a placing frame with an adjusting component is arranged between the supporting rods on two sides;

the adjusting component is provided with a gear part in transmission connection with the tooth slot;

at least one adjusting component is arranged on the placing frame to drive the placing frame to move up and down along the height direction of the supporting rod.

Further, the mounting assembly includes a fixed rod and a hinge rod;

the two ends of the bottom of the fixed rod are fixedly provided with inserting rods, the bottom plate on one side is provided with a connecting groove, one end of the hinging rod is in sliding connection with the connecting groove, and the other end of the hinging rod is pivotally connected to the bottom plate on the other side;

the hinge rod comprises a first storage rod and a second storage rod, and the first storage rod and the second storage rod are hinged with each other.

Furthermore, the upper surface of the bottom plate is provided with a plug-in groove, and the lower end of the supporting rod is provided with a plug-in end inserted into the plug-in groove;

and a penetrating positioning rod is arranged along the length direction of the bottom plate, and the inserting groove and the inserting end are provided with a cavity for the positioning rod to penetrate.

Further, one end of the first storage rod is rotatably connected with a fixed block, and the fixed block is slidably connected in the connecting groove;

the first storage rod is rotationally connected with the second storage rod;

the fixed rod is connected with a bolt in a threaded manner, and the second storage rod is provided with a threaded hole corresponding to the bolt.

Further, the mounting assembly comprises a driving part and a gear set in transmission connection with the driving part,

the gear set comprises a limiting wheel, a first synchronous wheel and a second synchronous wheel which are in belt transmission with the limiting wheel;

a second gear is connected to one side of the first synchronous wheel far away from the driving part, an intermediate wheel is arranged on one side of the second synchronous wheel close to the driving part, and a first gear for meshed transmission is arranged between the intermediate wheel and the tooth slot;

the limiting wheel, the first synchronous wheel, the second synchronous wheel and the first gear are all in rotary connection with the placing frame.

Further, the placing frame is provided with an adjusting groove for accommodating the gear set,

the first synchronous wheel, the second synchronous wheel, the first gear, the second gear and the middle wheel are all arranged in the adjusting groove;

part spacing wheel is located place the frame outside, drive portion includes the runner, spacing wheel is close to be equipped with the spacing groove of circumference distribution on the inner wall of one side of runner, the runner periphery be equipped with spacing groove meshing transmission's dogtooth, the runner is driven ground drives spacing wheel rotates.

Further, a connecting rod is arranged between the limiting wheel and the rotating wheel,

one end of the connecting rod is provided with a positioning groove, one end of the rotating wheel, which is close to the limiting wheel, is provided with a clamping connecting rod, and the clamping connecting rod is connected in the positioning groove in a sliding way;

the clamping connection rod is fixedly connected with the limiting wheel.

Further, the clamping connection rod is provided with a positioning block protruding along the circumferential direction; the section of the positioning block is larger than the inlet end of the positioning groove, and the positioning block can limit the limiting wheel from falling out of the positioning groove.

Further, the adjusting components are two groups arranged on two sides of the placing frame.

Further, the upper end of the supporting rod is provided with a rectangular pipe arranged above the inserting end, and the lower end of the top plate is provided with a protruding end which can be inserted into the inner cavity of the supporting rod.

Compared with the prior art, the utility model has the following advantages:

according to the utility model, the two groups of bottom plates are close to or far away from each other by arranging the contraction or expansion of the mounting assembly, so that the effects of convenient and rapid mounting and dismounting and improving the working efficiency are realized. In addition, through setting up adjusting part on placing the frame, can make to place the frame and follow the direction of height of bracing piece and adjust from top to bottom to can carry out the adaptability adjustment according to article shape, thereby make this place overhead room utilization ratio good.

In addition, through set up the tooth's socket in bracing piece opposite side to be connected with second gear and first gear engagement respectively, when rotating the runner, the runner can drive first gear and a set of second gear and rotate, just can make to place the frame and reciprocate between two sets of bracing pieces, just can be effectual according to placing the required best space of thing height adjustment, thereby reached can rational utilization space, can place the effect of more article.

In addition, the design that the inserting end corresponds to the inserting groove is arranged at the lower end of the supporting rod, and the supporting rod is inserted and fixed with the bottom plate through the positioning rod, so that the assembling of the supporting rod and the bottom plate is convenient, the rapid and simple assembling effect is achieved, and the structural strength of the placing rack is also convenient to improve. According to the utility model, through the design of the rotary connection of the first storage rod and the second storage rod, the first storage rod and the second storage rod can be fixed with the rotary design between the fixed blocks, and the two groups of bottom plates are mutually close to each other for storage, so that the effect of portability and transportation is achieved.

In addition, the utility model stretches the rotating wheel when adjusting the position of the placing frame through the design of the engagement of the limit groove and the convex tooth, and then rotates to a required position, and the tooth edge of the rotating wheel is clamped with the limit groove, thereby achieving the effect of effectively avoiding the automatic descending of the placing frame.

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 is a schematic perspective view of the whole structure of a rack convenient to disassemble and assemble according to the embodiment of the utility model;

FIG. 2 is a schematic perspective view of a mounting assembly according to an embodiment of the present utility model;

FIG. 3 is a schematic perspective view of an adjusting assembly according to an embodiment of the utility model;

FIG. 4 is a schematic perspective view of a connecting rod structure according to an embodiment of the utility model;

fig. 5 is a schematic structural view of the support bar according to the novel embodiment.

Reference numerals illustrate:

1. placing a frame; 2. a support rod; 3. a limiting wheel; 4. a bottom plate; 5. tooth slots; 6. an adjustment tank; 7. a positioning groove; 8. a limiting hole; 9. a fixed block; 10. an adjustment assembly; 11. a mounting assembly; 12. a limit groove; 13. a top plate;

101. a rotating wheel; 102. a first synchronizing wheel; 103. a second synchronizing wheel; 104. an intermediate wheel; 105. a second gear; 106. a connecting rod; 107. a clamping rod; 108. a synchronous belt; 109. a first gear;

201. a plug end; 202. a rectangular tube;

301. convex teeth;

1101. inserting a connecting rod; 1102. a fixed rod; 1103. a connecting groove; 1104. a positioning rod; 1105. a first receiving bar; 1106. a second receiving bar; 1107. a bolt; 1108. a plug-in groove;

1071. and (5) positioning blocks.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "back", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. In addition, the terms "first," "second," are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection can be fixed connection, detachable connection or integrated connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The embodiment relates to a rack convenient to disassemble and assemble, which comprises two groups of bottom plates 4, wherein a mounting assembly 11 is arranged between the two groups of bottom plates 4, and the mounting assembly 11 is operable to shrink or expand so as to enable the two groups of bottom plates 4 to approach or depart from each other.

Wherein, the bottom plate 4 upper end is connected with bracing piece 2 detachably, and roof 13 has all been inserted to two sets of bracing piece 2 upper ends, and tooth's socket 5 has all been seted up to two sets of bracing piece 2 opposite sides, sets up between the bracing piece 2 of both sides and has the frame 1 of placing of adjusting part 10. The adjusting assembly 10 is provided with a gear part in transmission connection with the tooth slot 5; at least one adjusting assembly 10 is provided on the placement frame 1 to drive the placement frame 1 to move up and down in the height direction of the support bar 2.

The rack convenient to dismouting of this embodiment is through setting up the shrink or the expansion of installation component 11 to make two sets of bottom plates 4 be close to or keep away from, thereby realize can convenient and fast's installation and dismantlement, improve work efficiency's effect. In addition, through setting up adjusting part 11 on placing frame 1, can make and place frame 1 along the direction of height of bracing piece 2 adjustable to can carry out the adaptation according to article shape, thereby make this place overhead room utilization ratio good.

Based on the above overall description, an exemplary structure of the easy-to-disassemble placement frame of the present embodiment is shown in fig. 1, and the easy-to-disassemble placement frame is constructed by a bottom plate 4, a support rod 2, and a top plate 13. The bottom plate 4 is arranged at the bottom of the rack, two groups of bottom plates 4 are arranged at intervals, two vertical upward support rods 2 are arranged on each bottom plate 4, and a top plate 13 is detachably inserted at the upper end of each group of support rods 2.

From the above, as shown in fig. 1, the bottom plate 4, the two support rods 2 and the top plate 14 on one side of the present embodiment enclose a rectangular frame structure, and the two sets of rectangular frame structures are disposed at intervals and connected by the mounting assembly 11, and the two-layer placement frame 1 is disposed between the two sets of rectangular frames and above the mounting assembly 11.

As a preferred embodiment, the mounting assembly 11 of this embodiment includes a fixing rod 1102 and a hinge rod, both ends of the bottom of the fixing rod 1102 are fixedly provided with a plugging rod 1101, a bottom plate 4 on one side is provided with a connecting groove 1103, one end of the hinge rod is slidably connected with the connecting groove 1103, and the other end of the hinge rod is pivotally connected to the bottom plate 4 on the other side; the hinge lever includes a first storage lever 1105 and a second storage lever 1106, and the first storage lever 1105 and the second storage lever 1106 are hinged to each other.

As shown in fig. 2, the fixing rod 1102 of the present embodiment is used in the unfolded state of the rack, and the limiting hole 8 into which the plugging rod 1101 is inserted is provided on the bottom plate, so that the fixing rod 1102 is supported between two spaced bottom plates 4, and the rack is ensured not to shake when placing objects.

For convenience of explanation, the base plates in the present embodiment are divided into left and right base plates, the positions of which are shown based on the state of fig. 1. In addition, by pivoting one end of the hinge lever on the left base plate and the other end thereof slidably coupled in the coupling groove 1103 of the right base plate, the coupling groove 1103 is formed on the side of the right base plate near the left base plate. So set up to when making the rack need shrink, demolish dead lever 1102, manual drive second accomodate pole 1106 or first accomodate pole 1105, first accomodate pole 1105 and second accomodate pole 1106 rotatory be close to, thereby the pulling right bottom plate is close to the left bottom plate, thereby has reached the effect that can portable transportation.

Further, one end of the first accommodating rod 1105 is rotatably connected with a fixed block 9, and the fixed block 9 is slidably connected in the connecting groove 1103; the fixing rod 1102 is screwed with a bolt 1107, and the second receiving rod 1106 is provided with a threaded hole corresponding to the bolt 1107.

As shown in fig. 2, a fixed block 9 is hinged to one end of the first accommodating rod 1105 near the right bottom plate, and a sliding end capable of being slidably connected in the connecting groove 1103 is provided on the fixed block 9. Structurally, the cross section of the connecting groove 1103 in this embodiment adopts a T-shaped structure, and the corresponding sliding end is protruding with the T-shape, so as to adapt to the connecting groove 1103 and prevent the fixing block 9 from falling out.

As shown in fig. 2, the fixing rod 1102 of the present embodiment is provided with a bolt 1107, and the fixing rod 1102 and the second storage rod 1106 are connected by the bolt 1107, so that the two sets of bottom plates 4 can be further effectively prevented from being stored in a state of being close to each other in the unfolded state.

In addition, in order to further improve the convenience of disassembly, the upper surface of the bottom plate 4 of the embodiment is provided with a plugging slot 1108, the lower end of the supporting rod 2 is provided with a plugging end 201 inserted into the plugging slot 1108, a penetrating positioning rod 1104 is arranged along the length direction of the bottom plate 4, and the plugging slot 1108 and the plugging end 201 are provided with a cavity for the positioning rod 1104 to penetrate.

In a specific structure, as shown in fig. 2 and 5, by inserting the plugging end 201 into the limiting hole 8 in the plugging slot 1108 and designing the corresponding position of the plugging slot, the plugging rod 1101 can align with the limiting hole 8 through the plugging slot, so that the positioning rod 1104 can be fixed, and the effect of effectively fixing the clamping block 1103 on the placing slot is achieved.

The rack convenient to disassemble and assemble of the embodiment fixes the fixing rod 1102 and the second storage rod 1106 through the bolt 1107 so as to achieve the unfolding state of the rack. The placement frame 1 is driven to be adjusted up and down by the driving adjusting component 10.

Two sets of tooth grooves 5 are respectively meshed with the second gear 105 and the middle wheel 104, when the rotating wheel 101 rotates, the rotating wheel 101 can drive the middle wheel 104 and the second gear 105 to rotate, so that the placing frame 1 can move up and down between the two sets of supporting rods 2, and the optimal space required by the adjustment of the height of the placed object can be effectively adjusted according to the height of the placed object, thereby achieving the effect of reasonably utilizing the space and placing more objects.

In addition, the mounting assembly 11 comprises a driving part and a gear set in transmission connection with the driving part, wherein the gear set comprises a limiting wheel 3, a first synchronous wheel 102 and a second synchronous wheel 103 in transmission with a limiting wheel belt. The side of the first synchronizing wheel 102 far away from the driving part is connected with a second gear 105, the side of the second synchronizing wheel 103 near the driving part is provided with an intermediate wheel 104, and a first gear 109 for meshed transmission is arranged between the intermediate wheel 104 and the tooth slot 5.

The limiting wheel 3, the first synchronizing wheel 102, the second synchronizing wheel 103 and the first gear 109 of the present embodiment are all rotatably connected with the placement frame 1.

As shown in fig. 1 to 4, by the design that the synchronous belt 108 is sleeved between the first synchronous wheels 102, the other group of first synchronous wheels 102 can drive one group of first synchronous wheels 102 to rotate when rotating, thereby achieving the effect that the other group of first synchronous wheels 102 can drive one group of second gears 105 to rotate when rotating.

In addition, the setting frame 1 is provided with an adjusting groove 6 for accommodating the gear set, and the first synchronizing wheel 102, the second synchronizing wheel 103, the first gear 109, the second gear 105 and the intermediate wheel 104 are all arranged in the adjusting groove 6. The part of the limiting wheels 3 are arranged on the outer side of the placing frame 1, the driving part comprises a rotating wheel 101, circumferentially distributed limiting grooves 12 are formed in the inner wall of one side, close to the rotating wheel 101, of the limiting wheels 3, protruding teeth 1011 meshed with the limiting grooves 12 are formed in the periphery of the rotating wheel 101, and the rotating wheel 101 is driven to rotate by the driving part.

In a specific structure, as shown in fig. 1 to 4, through the design of the clamping connection between the limiting groove 12 and the limiting wheel 3, the periphery of the rotating wheel 101 is provided with convex teeth 1011, when the position of the placing frame 1 is adjusted, the rotating wheel 101 is driven to axially move, and when the teeth 1011 are meshed with the limiting groove 12 and then rotate to a required position, the effect of effectively avoiding the automatic descending of the placing frame 1 is achieved.

In addition, as a preferred implementation manner, a connecting rod 106 is arranged between the limiting wheel 3 and the rotating wheel 101 in the embodiment, one end of the connecting rod 106 is provided with a positioning groove 7, one end of the rotating wheel 101, which is close to the limiting wheel 3, is provided with a clamping connection rod 107, and the clamping connection rod 107 is in sliding connection with the positioning groove 7; the clamping connection rod 107 is fixedly connected with the limiting wheel 3.

As shown in fig. 3, the front end of the limiting wheel 3 of the present embodiment has the above-mentioned teeth 101, and the rear end thereof is connected with a clamping rod 107. As a preferred embodiment, the clamping bar 107 of this embodiment is a rectangular tube, and one end of the rectangular tube is provided with a positioning block 1071. The clamping connection rod 107 is provided with a positioning block 1071 protruding along the circumferential direction; the section of the positioning block 1071 is larger than the inlet end of the positioning groove 7, and the positioning block 1071 can limit the limiting wheel 3 from falling out of the positioning groove 7.

In this embodiment, through the rotation of the limiting wheel 3, the design of the connecting rod 106 is fixedly installed on one side of the first synchronizing wheel 102, when the connecting rod 106 rotates, the first synchronizing wheel 102 and the second synchronizing wheel 103 can be driven to rotate, then the second gear 105 rotates, the second synchronizing wheel 103 drives the intermediate wheel 104 to rotate through belt transmission, and the intermediate wheel 104 drives the first gear 109 to rotate through gear engagement. Thereby achieving the effect that the placing frame 1 can be driven to move up and down when the connecting rod 106 rotates.

As an embodiment with a dazzling amount, the adjusting assemblies 10 of the present embodiment are two groups provided on both sides of the placement frame 1. Of course, the mounting may be provided on one side of the placement frame 1.

In addition, for convenience of implementation, the upper end of the support rod 2 of the present embodiment has a rectangular tube 202 disposed above the insertion end, and the lower end of the top plate 13 has a protruding end that can be inserted into the inner cavity of the support rod 2.

The working steps of the rack convenient to disassemble and assemble in this embodiment are as follows:

when the assembly is used, the support rod 2 is placed in the inserting end 201, then the fixing rods 1102 are inserted on the bottom plates 4, the positioning rods 1104 at the two ends are respectively inserted into the bottom plates 4 at the two sides to fix the support rod 2, then the first accommodating rod 1105 and the second accommodating rod 1106 between the two groups of bottom plates 4 are straightened, the first gear 104 and the second gear 105 are aligned with the tooth grooves 5 to be placed, then the fixing rods 1102 and the second accommodating rod 1106 are fixedly connected through the bolts 1107, the placement frame can be assembled conveniently and quickly, when the position of the placement frame 1 needs to be adjusted, the rotating wheel 101 is rotated, and the rotating wheel 101 can drive the placement frame 1 to adjust the height position.

Of course, as a possible embodiment, by removing the fixing lever 1102 and driving the second receiving lever 1103 or the first receiving lever 1105, it is possible to bring the two bottom plates 4 closer together and to disengage the first gear 109 and the second gear 105 on the placement frame 1 from the tooth slot 5. Thereby effecting the removal of the placement frame 1.

In addition, the placement frame 1 of the present embodiment is a box structure with an open upper end, and may be a flat plate or a frame structure in other embodiments, and may be adaptively adjusted according to the shape of the placed article and the input cost. Of course, in other embodiments, the top plate 13 may be removed first, and then the placement frame 1 and the mounting assembly 11 may be removed to accommodate the placement frame.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. Placement rack convenient to dismouting, two sets of bottom plates (4), its characterized in that: a mounting assembly (11) is arranged between the two groups of bottom plates (4), and the mounting assembly (11) can be contracted or expanded in an operable way so as to enable the two groups of bottom plates (4) to be close to or far away from each other;

the upper ends of the bottom plates (4) are detachably connected with supporting rods (2), top plates (13) are inserted into the upper ends of the two groups of supporting rods (2), tooth grooves (5) are formed in opposite sides of the two groups of supporting rods (2), and a placement frame (1) with an adjusting component (10) is arranged between the two groups of supporting rods (2);

the adjusting assembly (10) is provided with a gear part in transmission connection with the tooth groove (5);

at least one adjusting component (10) is arranged on the placement frame (1) to drive the placement frame (1) to move up and down along the height direction of the supporting rod (2).

2. The easy-to-disassemble rack as claimed in claim 1, wherein:

the mounting assembly (11) comprises a fixed rod (1102) and a hinging rod;

two ends of the bottom of the fixed rod (1102) are fixedly provided with inserting rods (1101), the bottom plate (4) on one side is provided with a connecting groove (1103), one end of each hinging rod is in sliding connection with the connecting groove (1103), and the other end of each hinging rod is pivotally connected to the bottom plate (4) on the other side;

the hinge lever includes a first storage lever (1105) and a second storage lever (1106), the first storage lever (1105) and the second storage lever (1106) being hinged to each other.

3. The easy-to-disassemble rack as claimed in claim 2, wherein:

the upper surface of the bottom plate (4) is provided with a plug-in groove (1108), and the lower end of the supporting rod (2) is provided with a plug-in end (201) inserted into the plug-in groove (1108);

a positioning rod (1104) penetrating through the bottom plate (4) is arranged along the length direction of the bottom plate, and the inserting groove (1108) and the inserting end (201) are provided with a cavity for the positioning rod (1104) to penetrate through.

4. The easy-to-disassemble rack as claimed in claim 2, wherein:

one end of the first storage rod (1105) is rotatably connected with a fixed block (9), and the fixed block (9) is slidably connected in the connecting groove (1103);

the fixing rod (1102) is connected with a bolt (1107) in a threaded mode, and the second storage rod (1106) is provided with a threaded hole corresponding to the bolt (1107).

5. The easy-to-disassemble rack as claimed in claim 4, wherein:

the mounting component (11) comprises a driving part and a gear set in transmission connection with the driving part,

the gear set comprises a limiting wheel (3), a first synchronous wheel (102) and a second synchronous wheel (103) which are in belt transmission with the limiting wheel;

a second gear (105) is connected to one side, far away from the driving part, of the first synchronous wheel (102), an intermediate wheel (104) is arranged on one side, close to the driving part, of the second synchronous wheel (103), and a first gear (109) for meshed transmission is arranged between the intermediate wheel (104) and the tooth groove (5);

the limiting wheel (3), the first synchronous wheel (102), the second synchronous wheel (103) and the first gear (109) are all rotationally connected with the placing frame (1).

6. The easy-to-disassemble rack set forth in claim 5, wherein:

an adjusting groove (6) for accommodating the gear set is arranged on the placing frame (1),

the first synchronous wheel (102), the second synchronous wheel (103), the first gear (109), the second gear (105) and the middle wheel (104) are all arranged in the adjusting groove (6);

part spacing wheel (3) are located place frame (1) outside, drive portion includes runner (101), spacing wheel (3) are close to be equipped with spacing groove (12) of circumference distribution on the inner wall of one side of runner (101), runner (101) periphery be equipped with spacing groove (12) meshing driven dogtooth (1011), runner (101) are driven ground and are driven spacing wheel (3) rotate.

7. The easy-to-disassemble rack as claimed in claim 6, wherein:

a connecting rod (106) is arranged between the limiting wheel (3) and the rotating wheel (101),

one end of the connecting rod (106) is provided with a positioning groove (7), one end of the rotating wheel (101) close to the limiting wheel (3) is provided with a clamping connecting rod (107), and the clamping connecting rod (107) is slidably connected in the positioning groove (7);

the clamping connection rod (107) is fixedly connected with the limiting wheel (3).

8. The easy-to-disassemble rack as claimed in claim 7, wherein:

the clamping connection rod (107) is provided with a positioning block (1071) protruding along the circumferential direction; the section of the positioning block (1071) is larger than the inlet end of the positioning groove (7), and the positioning block (1071) can limit the limiting wheel (3) from falling out of the positioning groove (7).

9. The easy-to-disassemble rack as claimed in claim 1, wherein:

the adjusting components (10) are two groups arranged on two sides of the placing frame (1).

10. A convenient-to-disassemble rack as claimed in claim 3, wherein:

the upper end of the supporting rod (2) is provided with a rectangular pipe (202) arranged above the inserting end (201), and the lower end of the top plate (13) is provided with a protruding end which can be inserted into the inner cavity of the supporting rod (2).