WO2023184792A1

WO2023184792A1 - Height adjustable movable rack

Info

Publication number: WO2023184792A1
Application number: PCT/CN2022/106619
Authority: WO
Inventors: 丁海新
Original assignee: 江西阳光安全设备集团有限公司
Priority date: 2022-03-31
Filing date: 2022-07-20
Publication date: 2023-10-05
Also published as: ZA202210402B; CN114886236B; CN114886236A

Abstract

A movable rack (1), in particular, relating to a height adjustable movable rack (1), for use in solving the technical problem of: providing a height adjustable movable rack (1) capable of adjusting the height of the movable rack (1) and allowing to place a large amount of data. The height adjustable movable rack (1) comprises a movable rack (1), data placing racks (2), fixed rods (3), handles (31), etc. Six data placing racks (2) are uniformly and slidably arranged inside the movable rack (1). The handles (31) are slidably provided on the lower parts of the left and right sides of the movable rack (1). The data is placed on the data placing racks (2), and then the handles (31) are pulled upwards to move the data placing racks (2) upwards; next, the movable rack (1) moves upwards, and a movable plate (42) rotates downwards to adjust the height of the movable rack (1), then the handles (31) are released, and a clamping block (51) can clamp the fixed rods (3).

Description

A height-adjustable compact rack

Technical field

The invention relates to a compact rack, in particular to a height-adjustable compact rack.

Background technique

Compact shelves, also known as compact cabinets, are one of the dense archival equipment. With the development of modern life, the storage and placement of various documents and materials has become a problem we face in real life. Therefore, compact shelves The utilization rate is increasing, and placing compact racks on the ground can easily cause the stored data to get damp, which in turn may cause the data to be damaged.

The application publication number is CN210960945U compact rack and its top plate, including a plurality of compact racks and guide rails, wherein the plurality of compact racks are movably installed on the guide rails; wherein each compact rack includes a The top plate of the compact rack top, wherein the top plate includes an upwardly arched top plate main body to form a guide slope along the top plate main body, and a raised portion formed on the edge of the top plate main body and bent upward, wherein , a receiving groove connected to the guide slope is formed at the transition between the top plate body and the turn-up portion, so that when pollutants fall on the top plate, the pollutants can move along the guide slope due to gravity. Slide it down and store it in the storage slot. When using it, place the data inside the compact rack for storage. The compact rack has the effect of dustproof and water discharging. However, the height of the compact rack cannot be adjusted, and it cannot be placed in a larger rack. High data.

Therefore, a height-adjustable compact rack that can adjust the height of the compact rack and can place taller materials is now being developed.

Contents of the invention

In order to overcome the shortcomings of the above patent that the height of the compact rack cannot be adjusted and taller materials cannot be placed, the technical problem to be solved is to provide a height-adjustable rack that can adjust the height of the compact rack and place taller materials. Compact rack.

A height-adjustable compact rack, including a compact rack, a feeding rack, a fixed rod, a handle, a lifting mechanism and an adjusting mechanism. Six feeding racks are evenly and slidingly arranged inside the compact rack. The lower parts of the left and right sides of the compact rack are The sliding type is equipped with a handle, and there are fixed rods on the inside of the handle. The fixed rods are connected to the left and right sides of the discharge rack. There is a lifting mechanism on the lower side of the compact rack, and there are adjustment mechanisms on the upper parts of the left and right sides of the compact rack.

Further, the lifting mechanism includes a first slide rail, a movable plate, a slide block, a blocking plate, a first U-shaped rod, a first spring and a torsion spring. Two first U-shaped rods are provided on the left and right sides of the bottom of the compact rack. , the first U-shaped rod is rotatably provided with movable plates, and the middle portions of two adjacent movable plates are rotatably provided with blocking plates, and torsion springs are provided between the front and rear sides of the blocking plates and the inside of the movable plates. , the sliding blocks are rotatably provided on the outside of the movable plate, the first slide rail is provided slidingly between the two slide blocks on the same side laterally, and the first spring is provided between the inside of the slide block and the middle part of the slide rail.

Further, the adjustment mechanism includes a clamping block, a first sliding rod and a second spring. Two first sliding rods are slidingly provided on the upper parts of the left and right sides of the compact rack, and clamps are provided on the inner sides of adjacent first sliding rods. block, and two second springs are provided between the outside of the block and the inner wall of the compact rack.

Furthermore, a push-out mechanism is included. The push-out mechanism includes a push plate, a sliding plate, a second slide rail, a second slide rod and a third spring. A second slide rail is provided at the lower part of the front side of the compact rack, and the second slide rail is slidable. There are two push plates. There are sliding plates on the upper sides of the push plates. The sliding plates are slidingly connected to the compact rack. Second sliding rods are arranged on the outsides of the sliding plates. The inner rear part of the second sliding rod is between the left and right inner walls of the compact rack. Both are provided with a third spring.

Furthermore, it also includes a descending mechanism. The descending mechanism includes a baffle, a third sliding rod, a sliding sleeve, a fourth spring and an inclined plate. There are two sliding sleeves on the lower parts of the left and right sides of the compact rack, two sliding sleeves on the same side. A third sliding rod is slidably arranged between them, a fourth spring is arranged between the upper side of the lower sliding sleeve and the lower part of the third sliding rod, and an inclined plate is arranged between the front and rear sides of the upper part of the third sliding rod. The outer lower part of the push plate is provided with baffles.

Furthermore, a stabilizing mechanism is included. The stabilizing mechanism includes a fixed plate, a fourth sliding rod and a fifth spring. Two sets of fourth sliding rods are slidingly provided at the lower part of the compact rack, and each group has four fourth sliding rods. A fifth spring is arranged between the upper side of the sliding rod and the inner bottom wall of the compact rack, and a fixing plate is arranged between the lower side of each group of fourth sliding rods.

Furthermore, an auxiliary mechanism is included. The auxiliary mechanism includes a fixed wheel, a pull rope, a second U-shaped rod and a guide wheel. Fixed wheels are provided in the middle of the handle, and second U-shaped rods are provided at the lower parts of the left and right sides of the compact rack. The second U-shaped rod is located above the handle. The middle part of the second U-shaped rod is rotatably provided with a guide wheel. A drawstring is wound between the fixed wheel and the guide wheel. The drawstring facilitates people to pull the handle upward.

Further, two locking slots are provided between the two first slide rails.

Compared with the prior art, the present invention has the following advantages: 1. In the present invention, the material is placed on the discharge rack, and then the handle is pulled upward, so that the discharge rack moves upward, and then the compact rack moves upward, and then Rotate the movable plate downward to adjust the height of the compact rack, then release the handle, and the block can block the fixed rod.

2. In the present invention, by pulling the second slide bar outward, the push plate slides outward, and then it is convenient for people to place materials, and then the second slide bar is released, so that the push plate slides inward, which can cover and protect the materials; By moving the push plate outward, the third slide rod moves downward, and then the inclined plate can push the first slide rod outward, which can make the discharge rack move downward, making it easier for people to take materials.

3. In the present invention, the compact rack is placed on the ground, and then the fixed plate moves downward under the action of the fifth spring to fit into the ground. The fixed plate can improve the stability of the compact rack; by pulling the pull rope outward, the handle Moving upward enables people to move the feeding rack upward with less effort.

Description of drawings

Figure 1 is a schematic three-dimensional structural diagram of the present invention from a first perspective.

Figure 2 is a schematic three-dimensional structural diagram of the present invention from a second perspective.

Figure 3 is a first partial three-dimensional structural diagram of the lifting mechanism of the present invention.

Figure 4 is a second partial three-dimensional structural schematic diagram of the lifting mechanism of the present invention.

Figure 5 is a schematic three-dimensional structural diagram of the third part of the lifting mechanism of the present invention.

Figure 6 is a schematic three-dimensional structural diagram of the adjustment mechanism of the present invention.

Figure 7 is a schematic three-dimensional structural diagram of the first part of the push-out mechanism of the present invention.

Figure 8 is a second partial three-dimensional structural diagram of the push-out mechanism of the present invention.

Figure 9 is a schematic three-dimensional structural diagram of the descending mechanism of the present invention.

Figure 10 is a schematic three-dimensional structural diagram of the stabilizing mechanism of the present invention.

Figure 11 is a schematic three-dimensional structural diagram of the auxiliary mechanism of the present invention.

The markings of each component in the drawing are as follows: 1-compact rack, 2-discharge rack, 3-fixed rod, 31-handle, 4-lifting mechanism, 41-first slide rail, 42-movable plate, 43-sliding Block, 44-clamping plate, 45-first U-shaped rod, 46-first spring, 47-torsion spring, 5-adjusting mechanism, 51-clamping block, 52-first sliding rod, 53-second spring, 6-pull-out mechanism, 61-push plate, 62-slide, 63-second slide rail, 64-second slide rod, 65-third spring, 7-descending mechanism, 71-baffle, 72-third slide rod , 73-sliding sleeve, 74-fourth spring, 75-inclined plate, 8-stabilizing mechanism, 81-fixed plate, 82-fourth sliding rod, 83-fifth spring, 9-auxiliary mechanism, 91-fixed wheel, 92-pulling rope, 93-second U-shaped rod, 94-guide wheel.

Detailed ways

The preferred technical solution of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1

A height-adjustable compact rack, as shown in Figure 1-6, includes a compact rack 1, a discharge rack 2, a fixed rod 3, a handle 31, a lifting mechanism 4 and an adjusting mechanism 5. The compact rack 1 is evenly slid inside There are six unloading racks 2 connected. The unloading racks 2 can be used to place materials. The lower parts of the left and right sides of the compact rack 1 are slidingly connected with handles 31. The inner sides of the handles 31 are equipped with fixed rods 3. The handles 31 are convenient for people to move and fix. The rod 3 and the fixed rod 3 are connected to the left and right sides of the discharge rack 2. The movement of the fixed rod 3 can make the discharge rack 2 move. There is a lifting mechanism 4 on the lower side of the compact rack 1. The lifting mechanism 4 can adjust the height of the compact rack 1. For adjustment, the upper parts of the left and right sides of the compact rack 1 are provided with adjustment mechanisms 5, and the adjustment mechanisms 5 can lock the fixing rod 3 into position.

As shown in Figures 1, 2, 3, 4 and 5, the lifting mechanism 4 includes a first slide rail 41, a movable plate 42, a slider 43, a blocking plate 44, a first U-shaped rod 45, and a first U-shaped rod 45. A spring 46 and a torsion spring 47, two first U-shaped rods 45 are provided on the left and right sides of the bottom of the compact rack 1, the first U-shaped rods 45 are rotatably connected with movable plates 42, and the two adjacent movable plates 42 There are blocking plates 44 rotatably connected between the middle parts. The blocking plates 44 can block the movable plate 42. Torsion springs 47 are provided between the front and rear sides of the blocking plate 44 and the inside of the movable plate 42. The torsion springs 47 The locking plate 44 can be rotated and reset. There are slide blocks 43 rotatably connected to the outer sides of the movable plate 42. The first slide rails 41 are slidably connected between the two slide blocks 43 on the same side laterally. The first slide rails 41 can be aligned with each other. The slider 43 plays a guiding role, and two locking slots are provided between the two first slide rails 41. The locking slots can lock the locking plate 44. The inner side of the slider 43 and the middle part of the first slide rail 41 First springs 46 are disposed between them, and the first springs 46 can cause the slider 43 to slide back to its original position.

As shown in Figures 2 and 6, the adjustment mechanism 5 includes a blocking block 51, a first sliding rod 52 and a second spring 53. Two first sliding rods 52 are slidingly connected to the upper parts of the left and right sides of the compact rack 1. There are blocking blocks 51 between the inner sides of the adjacent first sliding rods 52. The blocking blocks 51 can block the fixed rod 3. Two second springs are provided between the outer sides of the blocking blocks 51 and the inner wall of the compact rack 1. 53. The second spring 53 can cause the blocking block 51 to move and return to its original position.

When people need to store a large amount of data, first, people fix the two first slide rails 41 on the ground, and then people place the data on the higher-layer discharge rack 2 and slide the handle 31 upward, so that The fixed rod 3 and the discharge rack 2 move upward. When the fixed rod 3 slides upward, the clamping block 51 is pushed outward. The clamping block 51 moves outward and drives the first sliding rod 52 to slide outward. At this time, the second spring 53 is compressed. , when the upper side of the fixed rod 3 is separated from the blocking block 51, the blocking block 51 moves inward and resets under the action of the first spring 46, so that the first sliding rod 52 slides inward and resets, and the blocking block 51 can block the fixed rod 3 Limit, the handle 31 continues to move upward, which will cause the compact rack 1 to move upward. The upward movement of the compact rack 1 drives the first U-shaped rod 45 to move upward, and then causes the movable plate 42 to rotate upward, and the movable plate 42 rotates upward. The slider 43 is caused to slide inward, and the first slide rail 41 can guide the slider 43. At this time, the first spring 46 is compressed, and then people manually rotate the blocking plate 44 downward. At this time, the torsion spring 47 Being twisted, since there are two locking slots between the inner sides of the two first slide rails 41, the locking plate 44 can be locked, so that the compact rack 1 can be placed stably, which can increase the height of the compact rack 1. , and then release the handle 31, and then people can place the higher materials on the lowermost layer of the compact rack 1, and put other materials on other layers; after the use is completed, first people will take out the higher materials placed on the lowermost layer of the compact rack 1 , then people lift up the compact rack 1 and pull out the blocking plate 44, and then the blocking plate 44 rotates upward and resets under the action of the torsion spring 47, and then the slider 43 slides and resets outward under the action of the first spring 46. The block 43 slides outward to drive the movable plate 42 to rotate upward and reset, thereby causing the compact rack 1 to move downward and reset. Then people pull the first slide rod 52 outward, and the first slide rod 52 slides outward to drive the blocking block 51 outward. At this time, the second spring 53 is compressed, and then when the clamping block 51 is separated from the fixed rod 3, the unloading rack 2 moves downward under the action of the gravity of the material and resets, and then drives the fixed rod 3 and the handle 31 to move downward. Reset, and then people release the first slide bar 52, and then the block 51 moves inward to reset under the action of the second spring 53. The block 51 moves inward to drive the first slide bar 52 to slide inward and reset, and then people can store the stored data. Take out the data and repeat the above operations to store a large amount of data, and adjust the height of the compact rack 1 to prevent moisture on the ground from damaging the data.

Example 2

On the basis of Embodiment 1, as shown in Figures 1, 2, 7 and 8, a push-out mechanism 6 capable of covering and protecting the data is also included. The push-out mechanism 6 includes a push plate 61, a sliding plate 62, The second slide rail 63, the second slide rod 64 and the third spring 65 are provided on the lower front side of the compact rack 1. The second slide rail 63 is slidably connected with two push plates 61. The push plates 61 The materials can be covered and protected, and the second slide rail 63 can guide the push plate 61. The push plate 61 is provided with a sliding plate 62 on the upper side. The sliding plate 62 is slidingly connected to the compact rack 1, and a third sliding rail 62 is provided on the outside of the sliding plate 62. The two sliding rods 64 are slidingly connected to the compact rack 1. The second sliding rod 64 is convenient for people to pull the sliding plate 62. There is a third spring 65, and the third spring 65 can make the second slide rod 64 slide and return.

When people need to store data, first they pull the second sliding rod 64 outward. At this time, the third spring 65 is compressed. The second sliding rod 64 slides outward to drive the sliding plate 62 and the push plate 61 to move outward. The slide rail 63 can guide the push plate 61, and then people can store the data into the compact rack 1. After storing, people release the second slide bar 64, and then the second slide bar 64 moves downward under the action of the third spring 65. The inside slides to reset, and the second slide rod 64 moves inward to drive the slide plate 62 and the push plate 61 to move inward and reset. The push plate 61 can cover and protect the data. Repeating the above operation can cover and protect the stored data.

As shown in Figures 1 and 9, it also includes a descending mechanism 7 that can lower the discharge rack 2. The descending mechanism 7 includes a baffle 71, a third sliding rod 72, a sliding sleeve 73, a fourth spring 74 and an inclined plate. 75. Two sliding sleeves 73 are provided at the lower parts of the left and right sides of the compact rack 1. The two sliding sleeves 73 on the same side are slidingly connected to a third sliding rod 72. The sliding sleeves 73 can play a role in the third sliding rod 72. For guiding function, a fourth spring 74 is provided between the upper side of the lower sliding sleeve 73 and the lower part of the third sliding rod 72. The fourth spring 74 can make the third sliding rod 72 slidingly reset. Inclined panels 75 are provided between the two sides. Moving the inclined panel 75 downward can cause the first slide rod 52 to slide outward. Baffles 71 are provided at the lower portion of the outer side of the push plate 61. The baffles 71 can slide the third slide rod 72 Play a limiting role.

When people need to take out the stored data, the fixed rod 3 is located above the first slide rod 52 and the inclined plate 75 is in the uppermost position. First, people pull the second slide rod 64 outward. At this time, the third spring 65 is compressed, causing the push plate 61 to slide outward, and the push plate 61 slides outward to drive the baffle 71 to move outward. When the baffle 71 is separated from the third slide rod 72, the third slide rod 72 is under the action of the fourth spring 74. Sliding downward, the sliding sleeve 73 can guide the third sliding rod 72. The third sliding rod 72 slides downward to drive the inclined plate 75 to move downward. When the inclined plate 75 moves downward, it will push the third sliding rod 72 outward. A sliding rod 52. At this time, the second spring 53 is compressed, and then the discharge rack 2 can be moved downward, which can facilitate people to take out the materials. After taking out, people push the third sliding rod 72 upward to reset, and the third sliding rod 72 is moved upward. 72 moves upward to drive the inclined plate 75 to move upward and reset. Then when the inclined plate 75 is separated from the first sliding rod 52, the first sliding rod 52 moves inward and resets under the action of the second spring 53. At this time, the fourth spring 74 It is stretched and reset, and then people release the second slide rod 64. The second slide rod 64 slides inward and resets under the action of the third spring 65, so that the push plate 61 slides inward and resets. The push plate 61 slides inward to drive the baffle 71. By moving inward, the baffle 71 can play a limiting role on the third slide bar 72. Repeating the above operation can facilitate people to take out the data.

As shown in Figures 1, 2 and 10, it also includes a stabilizing mechanism 8 that can improve the stability of the compact rack 1. The stabilizing mechanism 8 includes a fixed plate 81, a fourth sliding rod 82 and a fifth spring 83. The compact rack 1 There are two sets of fourth sliding rods 82 slidingly connected at the lower part. Each group has four fourth sliding rods 82. A fifth spring 83 is provided between the upper side of the fourth sliding rod 82 and the inner bottom wall of the compact rack 1. The spring 83 can cause the fourth sliding rod 82 to move and reset. A fixing plate 81 is provided between the lower sides of each group of fourth sliding rods 82 . The fixing plate 81 can improve the stability of the compact rack 1 .

When people need to adjust the height of the compact rack 1, initially, the fifth spring 83 is in a stretched state. First, people place the compact rack 1 on the ground, and then people can adjust the height of the compact rack 1. Moving upward makes the fixed plate 81 slide downward under the action of the fifth spring 83, and then the fixed plate 81 fits the ground. The fixed plate 81 can improve the stability of the compact rack 1, and the fourth sliding rod 82 can lift the compact rack 1. After the use is completed, people move the compact rack 1 downward to reset, and then slide the fixed plate 81 upward to reset, so that the fifth spring 83 is stretched and reset. Repeating the above operations can adjust the height of the compact rack 1 Improve the stability of the compact rack 1 and prevent materials from falling when the height of the compact rack 1 is adjusted.

As shown in Figures 1 and 11, it also includes an auxiliary mechanism 9 that can facilitate people to pull the handle 31. The auxiliary mechanism 9 includes a fixed wheel 91, a pull rope 92, a second U-shaped rod 93 and a guide wheel 94. The middle part of the handle 31 Both are provided with fixed wheels 91, and second U-shaped rods 93 are provided at the lower parts of the left and right sides of the compact rack 1. The second U-shaped rods 93 are located above the handle 31, and the middle portions of the second U-shaped rods 93 are rotatably connected to guide wheels 94. , a drawstring 92 is wound between the fixed wheel 91 and the guide wheel 94. The drawcord 92 facilitates people to pull the handle 31 upward, and the guide wheel 94 can guide the drawcord 92.

When people need to raise the unloading rack 2, they first pull the pull rope 92 outward, and then make the guide wheel 94 rotate. The guide wheel 94 can guide the pull rope 92, and the pull rope 92 is pulled to make the fixed wheel 91 moves upward, the fixed wheel 91 moves upward, causing the handle 31 to move upward, and then the discharge rack 2 moves upward. After use, people release the pull rope 92, and the discharge rack 2 moves downward under the action of the gravity of the material. The movement is reset, thereby causing the handle 31 to move downward and reset. The handle 31 moves downward to drive the fixed wheel 91 to move downward. The fixed wheel 91 moves downward to cause the lower end of the pull rope 92 to move downward, and then the guide wheel 94 Reverse rotation and reset, and repeating the above operations can enable people to move the discharge rack 2 upward with less effort.

The above are only examples of the present invention, and do not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the description of the present invention, or directly or indirectly applied in other related technical fields, shall be regarded as Likewise, it is included in the patent protection scope of the present invention.

Claims

A height-adjustable compact rack includes a compact rack (1), a discharge rack (2), a fixed rod (3) and a handle (31). There are six discharge racks evenly sliding inside the compact rack (1) The rack (2) and the lower parts of the left and right sides of the compact rack (1) are provided with handles (31) in a sliding manner. Fixed rods (3) are provided inside the handles (31). The fixed rods (3) are connected with the discharge rack (2). ) is connected to the left and right sides, and is characterized in that it also includes a lifting mechanism (4) and an adjusting mechanism (5). A lifting mechanism (4) is provided on the lower side of the compact frame (1), and the upper parts of the left and right sides of the compact frame (1) are both An adjustment mechanism (5) is provided.
A height-adjustable compact rack according to claim 1, characterized in that the lifting mechanism (4) includes a first slide rail (41), a movable plate (42), a slide block (43), and a clamping plate. (44), the first U-shaped rod (45), the first spring (46) and the torsion spring (47). Two first U-shaped rods (45) are provided on the left and right sides of the bottom of the compact rack (1). A U-shaped rod (45) is rotatably provided with movable plates (42), and a blocking plate (44) is rotatably provided between the middle portions of two adjacent movable plates (42). The blocking plates (44) are provided front and rear. Torsion springs (47) are provided between both sides and the inside of the movable plate (42). Sliders (43) are rotatably provided on the outside of the movable plate (42). There are two sliders (43) on the same side laterally. A first slide rail (41) is provided in a sliding manner, and a first spring (46) is provided between the inside of the slide block (43) and the middle part of the slide rail.
A height-adjustable compact rack as claimed in claim 2, characterized in that the adjustment mechanism (5) includes a block (51), a first sliding rod (52) and a second spring (53). (1) Two first sliding rods (52) are slidingly provided on the upper parts of the left and right sides. There are clamping blocks (51) between the adjacent first sliding rods (52). The outer sides of the clamping blocks (51) Two second springs (53) are arranged between the compact frame (1) and the inner wall.
A height-adjustable compact rack according to claim 3, characterized in that it also includes a push-out mechanism (6), and the push-out mechanism (6) includes a push plate (61), a slide plate (62), a second slide rail (63), the second slide rod (64) and the third spring (65). A second slide rail (63) is provided at the lower part of the front side of the compact rack (1). A sliding slide rail (63) is provided on the second slide rail (63). There are two push plates (61). A slide plate (62) is provided on the upper side of the push plate (61). The slide plate (62) is slidingly connected to the compact rack (1). A second slide bar (62) is provided on the outside of the slide plate (62). 64), a third spring (65) is provided between the inner rear side of the second slide rod (64) and the left and right inner walls of the compact rack (1).
A height-adjustable compact rack according to claim 4, characterized in that it also includes a descending mechanism (7), and the descending mechanism (7) includes a baffle (71), a third slide rod (72), The sliding sleeve (73), the fourth spring (74) and the inclined plate (75) are provided with two sliding sleeves (73) at the lower parts of the left and right sides of the compact rack (1), and between the two sliding sleeves (73) on the same side A third sliding rod (72) is provided in a sliding manner, and a fourth spring (74) is provided between the upper side of the lower sliding sleeve (73) and the lower part of the third sliding rod (72). The third sliding rod (72) ) are provided with inclined panels (75) between the front and rear sides of the upper part, and baffles (71) are provided at the outer and lower parts of the push plate (61).
A height-adjustable compact rack according to claim 5, characterized in that it also includes a stabilizing mechanism (8), and the stabilizing mechanism (8) includes a fixed plate (81), a fourth sliding rod (82) and The fifth spring (83) is provided with two sets of fourth sliding rods (82) in the lower part of the compact frame (1). Each group has four fourth sliding rods (82). The upper side of the fourth sliding rod (82) is in contact with the fifth spring (83). Fifth springs (83) are provided between the inner bottom walls of the compact rack (1), and fixed plates (81) are provided between the lower sides of each group of fourth slide bars (82).
A height-adjustable compact rack according to claim 6, characterized in that it also includes an auxiliary mechanism (9), and the auxiliary mechanism (9) includes a fixed wheel (91), a pull rope (92), a second U-shaped rods (93) and guide wheels (94) are provided with fixed wheels (91) in the middle of the handle (31). Second U-shaped rods (93) are provided at the lower parts of the left and right sides of the compact rack (1). The U-shaped rod (93) is located above the handle (31). The middle part of the second U-shaped rod (93) is rotatably provided with a guide wheel (94). There are winding wheels (94) between the fixed wheel (91) and the guide wheel (94). The drawstring (92) facilitates people to pull the handle (31) upward.
A height-adjustable compact rack according to claim 7, characterized in that two locking slots are provided between the two first slide rails (41).